[Rails] Re: Help with return_back
Based on the principle of least surprise, you've got two cases you need to
plan for:
1. The user explicitly requests the login page, and so after a successful
login, you send him back to the page he came from.
2. The user requests a protected action that requires login, so you
redirect to the login page and then, after successful login, take him to the
originally-requested page.
To solve this, you need to store the after-login destination in a session
variable based on these rules and depending on whether you get to your login
page from a before filter method (classic name here in every example ever
written is authorize) or from an HTTP GET request for your login page. In
either case, if the user succeeds in logging in and the variable is set,
reset the session variable and redirect to that location. Otherwise,
redirect to a default location.
Hope this helps...
On Fri, Feb 13, 2009 at 9:22 PM, John Smith
rails-mailing-l...@andreas-s.net wrote:
I have to log in my app, after the login I want to return back to the
page I was visiting just before the redirect to the login. Now, I have
this in my Sessions controller:
redirect_back_or_default('/')
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[Rails] Re: Auto_complete plugin in Rails 2.2.2 (auto_complete_for method not found)
Thanks for your reply, but 1. this specific plugin did not have an install.rb with it. 2. 2.2.2 is as new as they get I just downloaded 3 weels ago...?! And i think it works just fine with git as I have downloaded from git as well (though it messed my tortoise svn structure pretty badly) Then fired up my script/server and still: method not found for autocomplete_for method!!! :-( On Feb 13, 12:55 pm, Frederick Cheung frederick.che...@gmail.com wrote: On 13 Feb 2009, at 09:19, Spiros K. wrote: page not found error * Trying to manually copy the files in the vendor/plugin directory of my project (got them from the model_auto_completer example), but still does not work... (if i execute script/plugin list there is nothing) Regarding this last part, i have been trying to find documentation about how to manually install a plugin, but with no results. In every forum that someone asks how to do it manually people respond with script/plugin install. This is automatic, not manually, as i am sure most of you know. What i am searching for is instructions on: where to place the files myself and what to execute myself so that my project will 'use' the plugin. Copying the files into vendor/plugins is all there is to it 99% of the time. Some plugins have an install.rb file that needs to be run after this. Don't worry about the output of script/plugin list (which as far as I can tell is for listing available, not installed plugins) The autocomplete plugin is on github these days:http://github.com/rails/auto_complete/tree/master Newer versions of rails include a version of script/plugin that can install plugins from git repositories (assuming you have git itself of course). Fred I will be thankful for any help you might offer, no matter how small, but PLEASE don't repeat to me steps i have already taken with no differentation what-so-ever. This is both pointless and insulting. Yours sincerely, a frustrated RoR programmer Spiros K. --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Ruby on Rails: Talk group. To post to this group, send email to rubyonrails-talk@googlegroups.com To unsubscribe from this group, send email to rubyonrails-talk+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en -~--~~~~--~~--~--~---
[Rails] Re: Odd js behavior in Chrome Safari
I ran into this same issue, it has nothing to do with Rails. This
looks to be an issue with the way WebKit (used by Safari and Chrome)
handles javascript and form submits. Looks like if there is a onclick
on a submit button, data from the form is not submitted when the page
is posted.
On Dec 24 2008, 2:49 am, Ken Wagner rails-mailing-l...@andreas-s.net
wrote:
View file has a js function confirm_result() in head section:
script type=text/javascript
function confirm_action()
{
result = confirm(Please select OK or Cancel)
if (result == true)
document.write(You selected OK.)
else
document.write(You selected Cancel.)
}
/script
The body section has
input type=button onclick=confirm_action() value=Submit
Works just fine in IE7 and FireFox3.
But not in Chrome 1 or Safari 3. In the latter two the confirm box
appears, then a new blank page without the You selected... text. Js
otherwise working fine
Has anyone else encountered this? Bug in Rails? Chrome? Safari?
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[Rails] Undefined method 'parameters' on controller.request
I'm getting a NoMethodError using Rails 2.1.0 when trying to send an email using ActionMailer. The error is being thrown from the template_format method in ActionView's base.rb file. Apparently the controller.request object is an instance of DummyClass (according to the exception trace) instead of ActionController::Request, and therefore does not have any useful methods associated with it. Right now I'm thinking that because the ActionMailer doesn't actually represent a separate request per se, that the request object is not being created correctly. Thus, when it goes to create the email using the template, it doesn't really know what format to use. Just a hunch. I'm kind of a Rails newb, so any help with this issue would be greatly appreciated. Just let me know if you need to know any other information. Michael --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Ruby on Rails: Talk group. To post to this group, send email to rubyonrails-talk@googlegroups.com To unsubscribe from this group, send email to rubyonrails-talk+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en -~--~~~~--~~--~--~---
[Rails] Re: How to stop validating after a failed validation?
On Feb 13, 11:29 pm, ericindc ericmilf...@gmail.com wrote: I want my first check to verify email address uniqueness. If this validation fails, there's no reason to go further with validating the user's input. I want a singular message displayed in this case. Is there a way to do this? I think the best way would be to use your own function (instead of error_messages_for) for displaying the error. You might also be able to get somewhere with the :if option to validations (and have your if function check whether there are any errors yet). While the examples you provide are interesting, more generally it is really annoying as a user to have to correct form errors once at a time. Fred Also, what about group validations, such that, for example, if I have several checks on a password (existence, complexity, confirmation) and one fails, the others are ignored. So for instance, if the password field does not match its confirmation, I skip validating the password complexity. What's the best approach to this? Thanks. --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Ruby on Rails: Talk group. To post to this group, send email to rubyonrails-talk@googlegroups.com To unsubscribe from this group, send email to rubyonrails-talk+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en -~--~~~~--~~--~--~---
[Rails] Re: params
On Feb 14, 6:36 am, Vetrivel Vetrivel rails-mailing-l...@andreas- s.net wrote: How to convert params variable as hash.I am not able to convert params as a hash. If you are talking about the params variable you get in your controller actions, it's already a hash. Perhaps you can clarify what you're trying to do and the problem you have encountered? Fred -- Posted viahttp://www.ruby-forum.com/. --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Ruby on Rails: Talk group. To post to this group, send email to rubyonrails-talk@googlegroups.com To unsubscribe from this group, send email to rubyonrails-talk+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en -~--~~~~--~~--~--~---
[Rails] Re: association include and joins issues - 'Unknown Column' error
On Feb 14, 12:43 am, Chris csw11...@gmail.com wrote: Hi all, I'd really appreciate any help / advice on this problem. When I test this def edit @entity = Entity.find(params[:id], :include = :key_factors) @traits = Trait.find :all, :include = :trait_values, :joins = :trait_values, :joins = LEFT OUTER JOIN key_factors ON key_factors.trait_value_id = trait_values.id AND key_factors.entity_id=+...@entity.id.to_s, :order = 'traits.ordering, traits.name' @frequencies = Frequency.find :all, :order = 'value' end I get the error ActiveRecord::StatementInvalid: Mysql::Error: Unknown column 'trait_values.id' in 'on clause': SELECT `traits`.* FROM `traits` LEFT OUTER JOIN key_factors ON key_factors.trait_value_id = trait_values.id AND key_factors.entity_id=953125641. I would have thought that since I'm including trait_values then that table would be in the SQL statement. However, what I see in the development log is: [4;36 Entity Load (0.0ms) SELECT * FROM `entities` WHERE (`entities`.`id` = 1) [4;35 KeyFactor Load (0.0ms) SELECT `key_factors`.* FROM `key_factors` WHERE (`key_factors`.entity_id = 1) [4;36 Trait Load (0.0ms)Mysql::Error: Unknown column 'trait_values.id' in 'on clause': SELECT `traits`.* FROM `traits` LEFT OUTER JOIN key_factors ON key_factors.trait_value_id = trait_values.id AND key_factors.entity_id=1 ORDER BY traits.ordering, traits.name Which suggests that Rails is doing a separate call for each include... and a bit of research on the API confirms that. However, in an earlier version of rails this worked fine - the log for running the exact same code shows (more or less - replaced a long field list with '*' to make reading easier) Yup that is what happens. It should fall back to the old code in cases like this however I suspect that it doesn't check the :joins clause for tables for that need to be included in the old way. I'm assuming you do actually want that include (and that it wasn't just an easy way of triggering a join) since the answer is probably a lot easier if you don't need the include. Rails will fall back to the old code whenever it sees something that looks like you're using a table that isn't the base table or provided through the joins clause. As I said, unfortunately I don't think it checks the join clause in this way for references to tables. You should be able fix it by adding a dud condition that references the included table. I suspect it was just you poking around but doing :joins = :trait_values, :joins = LEFT OUTER JOIN key_factors ON ... doesn't do anything since a hash can only have one value for a given key. YOu could also try :joins = INNER JOIN trait_values ON ... LEFT OUTER JOIN key_factors ON ... This would allow the query to run ok, however I suspect it would still process the include off the back of a second query. Fred [4;36 Trait Load Including Associations (0.00) SELECT * FROM traits LEFT OUTER JOIN trait_values ON trait_values.trait_id = traits.id LEFT OUTER JOIN key_factors ON key_factors.trait_value_id = trait_values.id AND key_factors.entity_id=1 ORDER BY traits.ordering, traits.name My models are: class Trait ActiveRecord::Base has_many :trait_values, :dependent = :destroy end class TraitValue ActiveRecord::Base belongs_to :trait has_many :key_factors, :dependent = :destroy has_many :trait_value_images, :foreign_key = 'related_id', :dependent = :destroy def sorter [(self.trait.ordering || 0),(self.trait.name || 0), (self.ordering || 0),(self.name || )] end end The API suggests that having conditions on a has_many association might do the trick, but the condition would be to be able to be dynamically specified (...key_factors.entity_id=+...@entity.id.to_s) and I don't see how that's possible when defining the condition on the association in the model (not sure whether that's because it actually isn't possible or just because I don't know Rails well enough). Please help! -Chris Warren --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Ruby on Rails: Talk group. To post to this group, send email to rubyonrails-talk@googlegroups.com To unsubscribe from this group, send email to rubyonrails-talk+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en -~--~~~~--~~--~--~---
[Rails] Re: Eager fetching returning JSON results
On Feb 14, 1:26 am, Joshua Partogi joshua.j...@gmail.com wrote:
All,
I have a many_to_one relationship object between products and
categories and I want to return the category too using JSON results
but it seems that rails only gives back the products JSON object on
the view layer. This is the piece of code:
@products = Product.find(:all, :include = [:category] )
respond_to do |format|
format.json {render :json = [...@products]
end
There's 2 separate things: the :include option on Product.find just
ensures those associations are loaded
To have them in your json (or xml) output you need to pass that to
to_json or to_xml, ie render :json = @products.to_json(:include
= :category)
Fred
Have I missed something? I thought by doing this I have enabled the
eager fetching? Or does eager fetching does not work with JSON
results?
Thanks in advance.
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[Rails] Re: Observe Field Problem
On Feb 13, 11:39 pm, Enzo Rivello rails-mailing-l...@andreas-s.net
wrote:
Hi there!
I need to use observe field to change dynamically one select field based
on another select field:
here is the view:
%= observe_field 'class', :url = { :action = 'update_list' },
:frequency = 0.25,
:update = 'nickname',
:with = 'tipid'
%
Class:select name=%= #{name}[][#{name}_class] % id=class
%= options_from_collection_for_select(Tiprod.find(:all),
id,name, {:include_blank = true}) %
/select
Name:select name=%= #{name}[][#{name}_data] % id=nickname
option/option
/select
here is the controller
def update_list
@tipid = params[:tipid]
@products = Specprod.find(:all, :conditions = ['tiprif LIKE ?',
%...@tipid}%])
end
and here is the update_list.rhtml
% for product in @products%
option value=%= product.id %%= product.name%/option
% end %
inspired
by:http://nealenssle.com/blog/2007/04/12/how-to-dynamically-update-form-...
The observe_field helper just produces some javascript that does stuff
to the element with id class
You've got the call to observe_field before your select element, ie
it's trying to observe something that doesn't exist yet.
Fred
Now, when i try to fire this application, the script doesn't work, and
the JS console tell me Element is null .
Why?Where i was wrong?
thanks in advance for the help
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[Rails] Re: Auto_complete plugin in Rails 2.2.2 (auto_complete_for method not found)
On Feb 14, 9:58 am, Spiros K. spiros...@gmail.com wrote: Thanks for your reply, but 1. this specific plugin did not have an install.rb with it. 2. 2.2.2 is as new as they get I just downloaded 3 weels ago...?! And i think it works just fine with git as I have downloaded from git as well (though it messed my tortoise svn structure pretty badly) so is the plugin in vendor/plugins ? Then fired up my script/server and still: method not found for autocomplete_for method!!! :-( I also assume that that was a typo and you actually write auto_complete_for in your controller. Fred On Feb 13, 12:55 pm, Frederick Cheung frederick.che...@gmail.com wrote: On 13 Feb 2009, at 09:19, Spiros K. wrote: page not found error * Trying to manually copy the files in the vendor/plugin directory of my project (got them from the model_auto_completer example), but still does not work... (if i execute script/plugin list there is nothing) Regarding this last part, i have been trying to find documentation about how to manually install a plugin, but with no results. In every forum that someone asks how to do it manually people respond with script/plugin install. This is automatic, not manually, as i am sure most of you know. What i am searching for is instructions on: where to place the files myself and what to execute myself so that my project will 'use' the plugin. Copying the files into vendor/plugins is all there is to it 99% of the time. Some plugins have an install.rb file that needs to be run after this. Don't worry about the output of script/plugin list (which as far as I can tell is for listing available, not installed plugins) The autocomplete plugin is on github these days:http://github.com/rails/auto_complete/tree/master Newer versions of rails include a version of script/plugin that can install plugins from git repositories (assuming you have git itself of course). Fred I will be thankful for any help you might offer, no matter how small, but PLEASE don't repeat to me steps i have already taken with no differentation what-so-ever. This is both pointless and insulting. Yours sincerely, a frustrated RoR programmer Spiros K. --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Ruby on Rails: Talk group. To post to this group, send email to rubyonrails-talk@googlegroups.com To unsubscribe from this group, send email to rubyonrails-talk+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en -~--~~~~--~~--~--~---
[Rails] Re: Logging all exceptions
On 14 Feb., 03:56, Robby Russell ro...@planetargon.com wrote: You might consider using Exceptional for this. *http://getexceptional.com/ Thank you, Robby. The problem is that I want to build the database exception logging into the Rails web interface of a free software project. (www.scopeport.org) I don't want to force users to subscribe to another service if they want help. (But Exceptional looks very cool. I might consider using it for other projects) I will take a look at the callback thing. Thank you pepe. So long Lennart --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Ruby on Rails: Talk group. To post to this group, send email to rubyonrails-talk@googlegroups.com To unsubscribe from this group, send email to rubyonrails-talk+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en -~--~~~~--~~--~--~---
[Rails] Re: How can I retrieve the SQL during each model action?
xeon wrote:
Hi,
I would like to know for each running model action, how can I retrieve
the SQL running behind? I don't want to scan log each time for the sql
running behind.
E.g. post.find(:all,:conditions={:id='1'}
I wanna debug the sql generated behind, is that other shorthand
function like post.find().show_sql() that enable
us to view what's SQL generated ?
That sounds like a good idea. Perhaps a
:log = :instance_variable_name option to find.
One alternative is the query_trace plugin that displays
a backtrace for each query, so that the log shows what
line of code is associated with each query.
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[Rails] Re: Redirect_to Vs Render_component
Srividya Sharma wrote: Hello I am using Rails 2.2.2. Here is my problem: I have a controller action which will receive several parameters, validate them, process them and create a new set of parameters out of them. Then, this controller should delegate the task to another controller action based on some values and pass these processed parameters to it. I have stored the processed parameters in a hash. (there are many of them) I could only see two options to achieve this: 1. Use redirect_to and pass each parameter as a string. 2. Use render_component and pass the parameters as a hash. I have seen that render_component is not recommended in most cases. Is it recommended solution for this case? I think render_component slows down the request also. Which option is right for me? Are there any other ways to achieve this? Please guide me. If you don't want the browser url to change, you can just call the other action like a method, passing the parameters in either an instance variable or a method parameter (that's default nil to allow it to be called externally). Or are you messing with params directly? This is assuming the other method is in the same controller. If it isn't, you'll have to make the other method available within the first controller, either through inheritance or mix-ins. -- Rails Wheels - Find Plugins, List Sell Plugins - http://railswheels.com --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Ruby on Rails: Talk group. To post to this group, send email to rubyonrails-talk@googlegroups.com To unsubscribe from this group, send email to rubyonrails-talk+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en -~--~~~~--~~--~--~---
[Rails] Re: NoMethodError in User_photos#show
On Feb 14, 3:32 am, Ken Lim rails-mailing-l...@andreas-s.net wrote:
MaD wrote:
well, the error-message is pretty clear:
The error occurred while evaluating nil.user
2: %= link_to #...@photo.user.username}'s Photos,
@photo seems to be nil. the reason for it can be found in your
controller (where show is defined).
I still have no clue at all as I follow the code from the book. The
application trace state that the respond to do |format| in the show
method has something wrong.
Below is controller where show is defined:
Not necessarily. For example if the link you generated was not quite
right so that params[:user_id] or params[:id] were not correct then
Photo.find_by_user_id_and_id might quite legitimately return nil.
Fred
Class UserPhotosController ApplicationController
before_filter :login_required, :except = [:index, :show]
def index
@user = User.find(params[:user_id])
@photo_pages = Paginator.new(self, @user.photos.count, 9,
params[:page])
@photos = @user.photos.find(:all, :order = 'created_at DESC',
:limit =
@photo_pages.items_per_page,
:offset =
@photo_pages.current.offset)
respond_to do |format|
format.html # index.rhtml
format.xml { render :xml = @photos.to_xml }
end
end
def show
@photo = Photo.find_by_user_id_and_id(params[:user_id],
params[:id],
:include = :user)
respond_to do |format|
format.html # show.rhtml
format.xml { render :xml = @photo.to_xml }
end
end
.
.
.
Attachments:http://www.ruby-forum.com/attachment/3296/user_photos_controller.rb
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[Rails] Re: Redirect_to Vs Render_component
Nice to see a response. The other method is in another controller. And the other method needs to use send_data. (basically write a response) So I cannot use a simple class, include that class in the first controller. since the other method has to write out a response, it needs to be in another controller.(I hope I am right about this) In the first controller, the request parameters are processed and these processed parameters need to be passed to the other method in the other controller. Mark Reginald James wrote: Srividya Sharma wrote: I could only see two options to achieve this: 1. Use redirect_to and pass each parameter as a string. 2. Use render_component and pass the parameters as a hash. I have seen that render_component is not recommended in most cases. Is it recommended solution for this case? I think render_component slows down the request also. Which option is right for me? Are there any other ways to achieve this? Please guide me. If you don't want the browser url to change, you can just call the other action like a method, passing the parameters in either an instance variable or a method parameter (that's default nil to allow it to be called externally). Or are you messing with params directly? This is assuming the other method is in the same controller. If it isn't, you'll have to make the other method available within the first controller, either through inheritance or mix-ins. -- Rails Wheels - Find Plugins, List Sell Plugins - http://railswheels.com -- Posted via http://www.ruby-forum.com/. --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Ruby on Rails: Talk group. To post to this group, send email to rubyonrails-talk@googlegroups.com To unsubscribe from this group, send email to rubyonrails-talk+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en -~--~~~~--~~--~--~---
[Rails] can this be done without using find_by_sql
Hi, I am increasingly needing to do some more complex finds involving several table associations. I can usually find an SQL solution, but find it hard to think these out using ActiveRecord find techniques. I guess I am thinking in SQL terms, when perhaps there is a way of thinking in ActiveRecord terms. Here is an example, I am guessing this can be done without using find_by_sql Repair has_many :notes SELECT * FROM repairs where exists (select * from notes where repairs.id=notes.repair_id and and notes.flagged) Thanks Tonypm --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Ruby on Rails: Talk group. To post to this group, send email to rubyonrails-talk@googlegroups.com To unsubscribe from this group, send email to rubyonrails-talk+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en -~--~~~~--~~--~--~---
[Rails] Re: Suggestions for a rails webhost...
Peter, The dramatic improvement in ping time does make quite a difference to be honest, Confirms what I was what I was wondering about. Had a look at bytemark, they look worth following up. Thanks Tonypm --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Ruby on Rails: Talk group. To post to this group, send email to rubyonrails-talk@googlegroups.com To unsubscribe from this group, send email to rubyonrails-talk+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en -~--~~~~--~~--~--~---
[Rails] Re: can this be done without using find_by_sql
On 14 Feb 2009, at 11:33, tonypm wrote: Hi, I am increasingly needing to do some more complex finds involving several table associations. I can usually find an SQL solution, but find it hard to think these out using ActiveRecord find techniques. I guess I am thinking in SQL terms, when perhaps there is a way of thinking in ActiveRecord terms. Here is an example, I am guessing this can be done without using find_by_sql Repair has_many :notes SELECT * FROM repairs where exists (select * from notes where repairs.id=notes.repair_id and and notes.flagged) Well at a very basic level you could do Repair.find :all, :conditions = exists (select ...) but that doesn't gain you much. You could write Repair.find :all, :select = 'distinct repairs.*', :joins = :notes, :conditions = [flagged = ?, true] or something along those lines. Fred Thanks Tonypm --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Ruby on Rails: Talk group. To post to this group, send email to rubyonrails-talk@googlegroups.com To unsubscribe from this group, send email to rubyonrails-talk+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en -~--~~~~--~~--~--~---
[Rails] Re: can this be done without using find_by_sql
tonypm wrote: Repair has_many :notes SELECT * FROM repairs where exists (select * from notes where repairs.id=notes.repair_id and and notes.flagged) r = Repair.find(...) notes = r.notes.find_by_flagged(true) I can't think of a way to learn how deep the ActiveRecord DSL gets, besides read read read blogs, tutorials, books, and its documentation! I myself probably know only 30% of it! -- Phlip --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Ruby on Rails: Talk group. To post to this group, send email to rubyonrails-talk@googlegroups.com To unsubscribe from this group, send email to rubyonrails-talk+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en -~--~~~~--~~--~--~---
[Rails] Re: NoMethodError in User_photos#show
two suggestions: 1. set a debugger at the beginning of you show-method. that way you will find the reason for @photo being nil. 2. since Photo.id is your primary key (and therefore unique) you could just do your find like this: @photo = Photo.find(params[:id]) instead of the much longer: @photo = Photo.find_by_user_id_and_id(params[:user_id], params [:id], :include = :user) as long as id distinctly identifies the record the user_id doesn't matter. --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Ruby on Rails: Talk group. To post to this group, send email to rubyonrails-talk@googlegroups.com To unsubscribe from this group, send email to rubyonrails-talk+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en -~--~~~~--~~--~--~---
[Rails] Re: can this be done without using find_by_sql
Frederick Cheung wrote:
Repair has_many :notes
SELECT * FROM repairs
where exists
(select * from notes where repairs.id=notes.repair_id
and and notes.flagged)
I forgot my basic SQL! I think that's just
SELECT * FROM repairs r, notes n
WHERE r.id = n.repair_id
AND n.flagged = 1
right?
Repair.all( :include = :notes,
:conditions ={ 'notes.flagged' = true } )
Find all repairs with any flagged notes. And I thought AR would handle
distinct-ing that.
So how to do a sub-select if you indeed need one?
But my other answer lets you trivially walk back from the notes to the repairs:
r.notes.find_by_flagged(true).map(:repair)
Warning: A map{} that rips another model like that can grow inefficient!
--
Phlip
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[Rails] Re: Eager fetching returning JSON results
Darn,
I returned an array object besides that products instance, giving that
to_json will give backslashes to the quotes.
On Feb 14, 9:31 pm, Frederick Cheung frederick.che...@gmail.com
wrote:
On Feb 14, 1:26 am, Joshua Partogi joshua.j...@gmail.com wrote: All,
I have a many_to_one relationship object between products and
categories and I want to return the category too using JSON results
but it seems that rails only gives back the products JSON object on
the view layer. This is the piece of code:
@products = Product.find(:all, :include = [:category] )
respond_to do |format|
format.json {render :json = [...@products]
end
There's 2 separate things: the :include option on Product.find just
ensures those associations are loaded
To have them in your json (or xml) output you need to pass that to
to_json or to_xml, ie render :json = @products.to_json(:include
= :category)
Fred
Have I missed something? I thought by doing this I have enabled the
eager fetching? Or does eager fetching does not work with JSON
results?
Thanks in advance.
--
If you can't believe in God the chances are your God is too small.
Read my blog:http://joshuajava.wordpress.com/
Follow me on twitter:http://twitter.com/jpartogi
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[Rails] Re: How to stop validating after a failed validation?
Thanks for the response. I'm still not sure how I'll approach this. I'm going to spend a bit of time tinkering with the :if option, as well as creating my own validation function. I agree that it is annoying for the user to have to correct errors one at a time. But I'd imagine correcting a series of errors, just to finally realize that the email address has already been registered, might be equally as annoying. Hence why I want the email uniqueness check to be first and foremost. If their email address has been used, the rest of the validation errors become moot. On Feb 14, 5:16 am, Frederick Cheung frederick.che...@gmail.com wrote: On Feb 13, 11:29 pm, ericindc ericmilf...@gmail.com wrote: I want my first check to verify email address uniqueness. If this validation fails, there's no reason to go further with validating the user's input. I want a singular message displayed in this case. Is there a way to do this? I think the best way would be to use your own function (instead of error_messages_for) for displaying the error. You might also be able to get somewhere with the :if option to validations (and have your if function check whether there are any errors yet). While the examples you provide are interesting, more generally it is really annoying as a user to have to correct form errors once at a time. Fred Also, what about group validations, such that, for example, if I have several checks on a password (existence, complexity, confirmation) and one fails, the others are ignored. So for instance, if the password field does not match its confirmation, I skip validating the password complexity. What's the best approach to this? Thanks. --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Ruby on Rails: Talk group. To post to this group, send email to rubyonrails-talk@googlegroups.com To unsubscribe from this group, send email to rubyonrails-talk+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en -~--~~~~--~~--~--~---
[Rails] Re: can this be done without using find_by_sql
Just to finish the story. Sorry - the distinct in the select is needed, I missed it out. Going a step further, I now have: named_scope :flagged_repairs, :select = 'distinct repairs.*', :joins = :repair_notes, :conditions = [notes.flagged = ?, true] So in my search, where I am building a dynamic scope (thanks to railscasts) I can do: scope.flagged_repairs.paginate(:page=page, :per_page=per_page) And it all appears to work!! Incredibly neat Tonypm --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Ruby on Rails: Talk group. To post to this group, send email to rubyonrails-talk@googlegroups.com To unsubscribe from this group, send email to rubyonrails-talk+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en -~--~~~~--~~--~--~---
[Rails] Re: attachment_fu problems with image_science
Richard Schneeman wrote: Danimal wrote: Richard, I am having exactly the same problem. Everything works on my macbook pro. But on my deployment server I get the same error. I'm still looking. Hopefully I can find a solution. Like you, I'm having trouble with RMagick. Plus I like Image Magick because it's so much slimmer (and I only need thumbnailing). -Danimal On May 28, 10:53 pm, Richard Schneeman rails-mailing-l...@andreas- my problem ended up being with my ruby gems path on my server, which can have many many causes. remember whenever you require RMagick that you capitalize RM, because gems are case sensitive. If you go into your irb, and type require rubygems and then require RMagick what do you get?? I'm having the EXACT same problem. Tried everything to get RMagick to work and I could never get require 'RMagick' to work. So, I uninstalled everything RMagick related and tried to switch to image_science, since it seems to be more lightweight anyway. but require 'image_science' didn't work After reading your post I just tried require 'rubygem' THEN require 'image_science' and it worked! What does this mean though? How can I get the rubygems in the right path so that all my gems are accessible be default. Do I need to worry about this with rails? I would think rails would run similarly to irb and would thus need rubygems included somehow? I haven't put my server in production yet (or even deployed my first rails app) so I haven't tested anything. -- Posted via http://www.ruby-forum.com/. --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Ruby on Rails: Talk group. To post to this group, send email to rubyonrails-talk@googlegroups.com To unsubscribe from this group, send email to rubyonrails-talk+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en -~--~~~~--~~--~--~---
[Rails] Re: can this be done without using find_by_sql
Fred,
Repair.find :all, :select = 'distinct repairs.*', :joins
= :notes, :conditions = [flagged = ?, true]
nice - many thanks. just needed to fix notes.flagged
--
In reality I have a generic notes model, so my usage is slightly more
complex:
In Repair I have:
has_many :repair_notes, :foreign_key='note_for'
has_many :flagged_repair_notes, :class_name=RepairNote,
:foreign_key='note_for',
:conditions={:flagged=true}
Then:
Repair.find :all, :select = 'repairs.*', :joins
= :repair_notes, :conditions = [notes.flagged = ?, true]
Creates lovely sql
SELECT repairs.* FROM `repairs` INNER JOIN `notes` ON notes.note_for =
repairs.id AND (`notes`.`type` = 'RepairNote' ) WHERE (notes.flagged =
1)
I wonder if there is a way to use the flagged_repair_notes in the
find for flagged repairs.
ps.
I have real admiration for the guys who do the ActiveRecord SQL
generation magic.
Thanks to all
Tonypm
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[Rails] about validate
hello.. I am new to Ruby on Rails.. (2.2) I am currently following steps from the book agile web delopment with Rails building depot application. It says I need to edit app/models/product.rb file and add the following lines to check the price to be at least a cent.. that's 0.01 def price_must_be_at_least_a_cent errors.add(:price, 'should be at least 0.01' ) if price.nil? || price 0.01 end after this, I typed 0.1 and 0.10, and get the error.. saying should be at least 0.01.. if I type 1, or 0.01.. I don't get the error. am I the only one with this problem? if so, i'd like to know what I need to do to fix the problem. thanks --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Ruby on Rails: Talk group. To post to this group, send email to rubyonrails-talk@googlegroups.com To unsubscribe from this group, send email to rubyonrails-talk+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en -~--~~~~--~~--~--~---
[Rails] Re: BackgroundRB persistant job table not created
I use rails 2.2.2 Backgroundrb version (latest from svn) -- Posted via http://www.ruby-forum.com/. --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Ruby on Rails: Talk group. To post to this group, send email to rubyonrails-talk@googlegroups.com To unsubscribe from this group, send email to rubyonrails-talk+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en -~--~~~~--~~--~--~---
[Rails] Re: about validate
i just tried it for myself. it's working correctly. so i advice to put a debugger at the beginning of your action and look what you are getting for price and where the error occurrs (whether it's inside that method or even before). --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Ruby on Rails: Talk group. To post to this group, send email to rubyonrails-talk@googlegroups.com To unsubscribe from this group, send email to rubyonrails-talk+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en -~--~~~~--~~--~--~---
[Rails] BackgroundRB persistant job table not created
Hi, I have used backgroundrb plugin in my application, I followed the tutorial in, http://backgroundrb.rubyforge.org/ Everything works fine, When I run rake backgroundrb:setup, It created the required scripts, and backgroundrb.yml but the mirgation files were missing. Can some one help me out y this happened or with providing the default miration file which it generates, Regards, Ratnavel. -- Posted via http://www.ruby-forum.com/. --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Ruby on Rails: Talk group. To post to this group, send email to rubyonrails-talk@googlegroups.com To unsubscribe from this group, send email to rubyonrails-talk+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en -~--~~~~--~~--~--~---
[Rails] Hook Exist in Rails for System-Wide Exception Logging?
On our production servers, I'd like all exceptions to be automatically logged to the database. In other C# project I wrote that meant putting a try/catch in every entry point method with the catch calling a generic routine which did the INSERT into exceptions... SQL statement. How do I do this in rails? It would be nice if in application.rb or even in each controller you could do: exception_logger :my_exception_logger Perhaps this could be implemented using filters? Hopefully rails already has this exact functionality built-in as I'd imagine everyone would need it? Pete -- Posted via http://www.ruby-forum.com/. --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Ruby on Rails: Talk group. To post to this group, send email to rubyonrails-talk@googlegroups.com To unsubscribe from this group, send email to rubyonrails-talk+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en -~--~~~~--~~--~--~---
[Rails] Re: Schedule job in rails
On Saturday 14 February 2009 12:52 am, Valentino Lun wrote: Is it possible to do this in my crontab as follow? 10 10 * * * wget http://localhost:3000/cron/someaction para1 para2 I'm not sure, but an alternative is to put the wget command in a small shell script (Linux talk, iiuc) or a .bat file (MS talk, iiuc). Then invoke that shell script or .bat file from cron. Randy Kramer -- I didn't have time to write a short letter, so I created a video instead.--with apologies to Cicero, et.al. --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Ruby on Rails: Talk group. To post to this group, send email to rubyonrails-talk@googlegroups.com To unsubscribe from this group, send email to rubyonrails-talk+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en -~--~~~~--~~--~--~---
[Rails] Re: AR_Mailer Problem
which ruby version are you using? I think I had a similar problem using ruby 1.8.7 and solving it by downgrading to 1.8.6... On Fri, Feb 13, 2009 at 5:23 PM, Sean McGilvray smcgilv...@gmail.com wrote: Hi all, I am using ar_mailer for sending newsletter. I got mails queued in emails table. However when running ar_sendmail to begin sending the mails, an exception is thrown: Unhandled exception wrong number of arguments (7 for 6) (ArgumentError): /usr/lib/ruby/gems/1.8/gems/ar_mailer-1.3.1/lib/action_mailer/ ar_sendmail.rb:408:in `start' /usr/lib/ruby/gems/1.8/gems/ar_mailer-1.3.1/lib/action_mailer/ ar_sendmail.rb:408:in `deliver' /usr/lib/ruby/gems/1.8/gems/ar_mailer-1.3.1/lib/action_mailer/ ar_sendmail.rb:500:in `run' /usr/lib/ruby/gems/1.8/gems/ar_mailer-1.3.1/lib/action_mailer/ ar_sendmail.rb:496:in `loop' /usr/lib/ruby/gems/1.8/gems/ar_mailer-1.3.1/lib/action_mailer/ ar_sendmail.rb:496:in `run' /usr/lib/ruby/gems/1.8/gems/ar_mailer-1.3.1/lib/action_mailer/ ar_sendmail.rb:340:in `run' /usr/lib/ruby/gems/1.8/gems/ar_mailer-1.3.1/bin/ar_sendmail:5 /usr/bin/ar_sendmail:19:in `load' /usr/bin/ar_sendmail:19 I am using ar_mailer version 1.3.1. I know the solution is this below: The solution is: make them match either by providing the all required arguments or delete those unavailable arguments (for you) in the ar_sendmail function. How exactly do I fix this error. I am new to RoR. Can someone give me the steps to modify the environment file please. Thank you, Sean McGilvray -- /** * dagi3d v4 | http://dagi3d.net */ --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Ruby on Rails: Talk group. To post to this group, send email to rubyonrails-talk@googlegroups.com To unsubscribe from this group, send email to rubyonrails-talk+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en -~--~~~~--~~--~--~---
[Rails] Re: Undefined method 'parameters' on controller.request
Actionmailer is a bit different because the mail has it's own view which has no controller. You'd have to pass the controller in through the message to the mail when you're delivering or building it. Blog: http://random8.zenunit.com/ Learn rails: http://sensei.zenunit.com/ On 14/02/2009, at 9:10 AM, Michael J. I. Jackson mjijack...@gmail.com wrote: I'm getting a NoMethodError using Rails 2.1.0 when trying to send an email using ActionMailer. The error is being thrown from the template_format method in ActionView's base.rb file. Apparently the controller.request object is an instance of DummyClass (according to the exception trace) instead of ActionController::Request, and therefore does not have any useful methods associated with it. Right now I'm thinking that because the ActionMailer doesn't actually represent a separate request per se, that the request object is not being created correctly. Thus, when it goes to create the email using the template, it doesn't really know what format to use. Just a hunch. I'm kind of a Rails newb, so any help with this issue would be greatly appreciated. Just let me know if you need to know any other information. Michael --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Ruby on Rails: Talk group. To post to this group, send email to rubyonrails-talk@googlegroups.com To unsubscribe from this group, send email to rubyonrails-talk+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en -~--~~~~--~~--~--~---
[Rails] serialize ... what am I doing wrong?
Hi. I want to serialize out an object to the database. But I am getting an integer value in the column when I expect to see some yaml! migration: class CreateSummaries ActiveRecord::Migration def self.up create_table :summaries do |t| t.text :summary_data t.timestamps end end end class: class Summary ActiveRecord::Base serialize :summary_data end example: summary = Summary.new(:summary_data = User.first) = #Summary id: nil, fss_player_id: nil, stats_type: nil, scope: nil, summary_data: #User id: 4, login: LoginName, email: x...@xx.xx, crypted_password: cbc8411974ad085f608b6e0a05dd608e7577de19, salt: ddc4528beea65095b7f5619912a6ca0681d0c10e, created_at: 2008-09-12 18:43:19, updated_at: 2009-02-05 04:20:58, remember_token: nil, remember_token_expires_at: nil, pw_reset_code: nil, role: commissioner, sign_up_code: 44e11a23be5b7833bf73d479a05166c0e0377c56, reset_password_code_until: nil, permalink: fname, name: FName, street: nil, city: nil, province: nil, postcode: nil, country: nil, home_phone: nil, mobile_phone: nil, display_name: FName, display_teams: true, website: nil, occupation: nil, interests: nil, favourite_teams: nil, anonymous_contact: false, created_at: nil, updated_at: nil summary.save! = true Summary.first.summary_data = 4 What am I doing wrong? --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Ruby on Rails: Talk group. To post to this group, send email to rubyonrails-talk@googlegroups.com To unsubscribe from this group, send email to rubyonrails-talk+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en -~--~~~~--~~--~--~---
[Rails] Re: Auto_complete plugin in Rails 2.2.2 (auto_complete_for method not found)
Yes, the plugin IS in vendor plugins and YES you can check my first post in the thread and see that my 2nd post was actually a typo in my behalf. The problem remains as stated. BTW, the code was copy-pasted from tutorials that supposedly work, so I doubt there is any weird typo in the actual code. On Feb 14, 12:41 pm, Frederick Cheung frederick.che...@gmail.com wrote: On Feb 14, 9:58 am, Spiros K. spiros...@gmail.com wrote: Thanks for your reply, but 1. this specific plugin did not have an install.rb with it. 2. 2.2.2 is as new as they get I just downloaded 3 weels ago...?! And i think it works just fine with git as I have downloaded from git as well (though it messed my tortoise svn structure pretty badly) so is the plugin in vendor/plugins ? Then fired up my script/server and still: method not found for autocomplete_for method!!! :-( I also assume that that was a typo and you actually write auto_complete_for in your controller. Fred On Feb 13, 12:55 pm, Frederick Cheung frederick.che...@gmail.com wrote: On 13 Feb 2009, at 09:19, Spiros K. wrote: page not found error * Trying to manually copy the files in the vendor/plugin directory of my project (got them from the model_auto_completer example), but still does not work... (if i execute script/plugin list there is nothing) Regarding this last part, i have been trying to find documentation about how to manually install a plugin, but with no results. In every forum that someone asks how to do it manually people respond with script/plugin install. This is automatic, not manually, as i am sure most of you know. What i am searching for is instructions on: where to place the files myself and what to execute myself so that my project will 'use' the plugin. Copying the files into vendor/plugins is all there is to it 99% of the time. Some plugins have an install.rb file that needs to be run after this. Don't worry about the output of script/plugin list (which as far as I can tell is for listing available, not installed plugins) The autocomplete plugin is on github these days:http://github.com/rails/auto_complete/tree/master Newer versions of rails include a version of script/plugin that can install plugins from git repositories (assuming you have git itself of course). Fred I will be thankful for any help you might offer, no matter how small, but PLEASE don't repeat to me steps i have already taken with no differentation what-so-ever. This is both pointless and insulting. Yours sincerely, a frustrated RoR programmer Spiros K.- Hide quoted text - - Show quoted text - --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Ruby on Rails: Talk group. To post to this group, send email to rubyonrails-talk@googlegroups.com To unsubscribe from this group, send email to rubyonrails-talk+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en -~--~~~~--~~--~--~---
[Rails] Re: how can I secure rails script?
Bpx Bpx wrote: Hello, I was searching for some way to secure my rails scripts. Do anybody know what can I use? I found Rencoder (www.rencoder.com) on the net but I want to know if there are others programs I can use? Well, definitely don't use this Rencoder. Its not secure and frankly it failed to work on much Ruby code. I tried it on the test.rb script and it does not work. It did work on print test though lol so if you're app is that basic maybe its ok. I would avoid it -- Posted via http://www.ruby-forum.com/. --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Ruby on Rails: Talk group. To post to this group, send email to rubyonrails-talk@googlegroups.com To unsubscribe from this group, send email to rubyonrails-talk+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en -~--~~~~--~~--~--~---
[Rails] Re: Schedule job in rails
No quite like that. If you're sending an HTTP GET request to any URL, you would pass parameters to the URL itself, something like: http://localhost:3000/cron?param1=value1param2=value2 etc What looks attractive to me about this approach (of using wget via cron instead of a rake task) is that you are not bringing up an entire rails environment to handle a task. There's less overhead. Just be sure to lock it down with a combination of things that have been suggested here: IP Address check, local_request?, http basic authentication. There may be more you can do... On Sat, Feb 14, 2009 at 12:52 AM, Valentino Lun rails-mailing-l...@andreas-s.net wrote: wget http://localhost:3000/cron cron_controller invokes your method Thanks, it is a very good idea. How about if my action require 2 parameters? How to do that? Let me further elabroate on my question. For example in my Cron Controller def someaction some_method(params[:one],params[:two]) end Is it possible to do this in my crontab as follow? 10 10 * * * wget http://localhost:3000/cron/someaction para1 para2 Many thanks Valentino -- Posted via http://www.ruby-forum.com/. --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Ruby on Rails: Talk group. To post to this group, send email to rubyonrails-talk@googlegroups.com To unsubscribe from this group, send email to rubyonrails-talk+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en -~--~~~~--~~--~--~---
[Rails] Re: Auto_complete plugin in Rails 2.2.2 (auto_complete_for method not found)
On Feb 14, 3:52 pm, Spiros K. spiros...@gmail.com wrote: Yes, the plugin IS in vendor plugins and YES you can check my first post in the thread and see that my 2nd post was actually a typo in my behalf. The problem remains as stated. odd. i'd stick a breakpoint in the plugin's init.rb to see what was happening there (you should have vendor/plugins/auto_complete/init.rb and vendor/plugins/auto_complete/lib ) If you have changed config.plugins or config.plugin_paths in environment.rb that could cause this (but I rather suspect you'd remember if you'd done that). BTW, the code was copy-pasted from tutorials that supposedly work, so I doubt there is any weird typo in the actual code. I wouldn't be so sure :-) Fred On Feb 14, 12:41 pm, Frederick Cheung frederick.che...@gmail.com wrote: On Feb 14, 9:58 am, Spiros K. spiros...@gmail.com wrote: Thanks for your reply, but 1. this specific plugin did not have an install.rb with it. 2. 2.2.2 is as new as they get I just downloaded 3 weels ago...?! And i think it works just fine with git as I have downloaded from git as well (though it messed my tortoise svn structure pretty badly) so is the plugin in vendor/plugins ? Then fired up my script/server and still: method not found for autocomplete_for method!!! :-( I also assume that that was a typo and you actually write auto_complete_for in your controller. Fred On Feb 13, 12:55 pm, Frederick Cheung frederick.che...@gmail.com wrote: On 13 Feb 2009, at 09:19, Spiros K. wrote: page not found error * Trying to manually copy the files in the vendor/plugin directory of my project (got them from the model_auto_completer example), but still does not work... (if i execute script/plugin list there is nothing) Regarding this last part, i have been trying to find documentation about how to manually install a plugin, but with no results. In every forum that someone asks how to do it manually people respond with script/plugin install. This is automatic, not manually, as i am sure most of you know. What i am searching for is instructions on: where to place the files myself and what to execute myself so that my project will 'use' the plugin. Copying the files into vendor/plugins is all there is to it 99% of the time. Some plugins have an install.rb file that needs to be run after this. Don't worry about the output of script/plugin list (which as far as I can tell is for listing available, not installed plugins) The autocomplete plugin is on github these days:http://github.com/rails/auto_complete/tree/master Newer versions of rails include a version of script/plugin that can install plugins from git repositories (assuming you have git itself of course). Fred I will be thankful for any help you might offer, no matter how small, but PLEASE don't repeat to me steps i have already taken with no differentation what-so-ever. This is both pointless and insulting. Yours sincerely, a frustrated RoR programmer Spiros K.- Hide quoted text - - Show quoted text - --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Ruby on Rails: Talk group. To post to this group, send email to rubyonrails-talk@googlegroups.com To unsubscribe from this group, send email to rubyonrails-talk+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en -~--~~~~--~~--~--~---
[Rails] SUCCESS!! BUG?? Re: 2 button_to functions for file downloads
OK Well this must be a bug I guess but I managed to get it to work.
For some reason the first one was trying to give the js response to
the action. So for the hey of it I used 3 button_to's and the bottom
two worked while the first one was giving me the same response.
div style=display: none;%= button_to 'Download PCCIS file',
:action = 'downloadpccis' %/div
%= button_to 'Download PCCIS file',:action = 'downloadcis' %
%= button_to 'Download PCCIS file',:action = 'downloadpccis' %
On Feb 13, 6:22 pm, Me chabg...@gmail.com wrote:
Anyone have any ideas why the second button works but the first button
is giving me the above error?
On Feb 12, 10:27 pm, Me chabg...@gmail.com wrote:
For some reason the first button is giving me this for a response:
try {
$(notification).update(h1 style='display: inline' class='mes'Site
123 was built/h1);
$(downloads).show();} catch (e) { alert('RJS error:\n\n' + e.toString());
alert('$
(\notification\).update(\h1 style=\'display: inline\' class=\'mes
\'Site 123 was built/h1\);\n$(\downloads\).show();'); throw e }
On Feb 12, 9:45 pm, Chris Habgood chabg...@gmail.com wrote:
Application.rhtml:
% form_tag( {:action = 'mltn6p'} ) do -%
div id=page
div id=header
h1Wendia Site entry Program/h1
/div
div id=menu
fieldset
legendSelect your Shelf/legend
%= select(:node, :id, $shelves,{:prompt ='Select
Equipment'},{
:onchange = remote_function(:url = { :action = gotoshelf})} ) %
/fieldsetbr /
%= render :partial = 'sitedata' %
fieldset id=downloads style=display: none
legendDownload POB Files/legend
%=button_to'Download CISfile', :action =
'downloadcis' %
%=button_to'Download PCCISfile', :action =
'downloadpccis' %
/fieldset
/div
div id=content
div id=notification /div
%= yield %
/div
/div
% end %
controller:
def downloadcis
send_file(#{$site.upcase}_CIS.csv, :type = 'text/plain',
:disposition = 'attachment')
end
def downloadpccis
send_file(#{$site.upcase}_PCCIS.csv, :type = 'text/plain',
:disposition = 'attachment')
end
On Thu, Feb 12, 2009 at 9:24 PM, bill walton bwalton...@gmail.com wrote:
On Thu, 2009-02-12 at 17:29 -0800, Me wrote:
Anyone have any idea why one button does a submit and
the other does afiledownload?
In general, element behavior in any page is a function of the browser
parser's ability to make sense of the code we feed it. Post your code
and we might be able to help.
Best regards,
Bill
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[Rails] Re: SUCCESS!! BUG?? Re: 2 button_to functions for file downloads
On Feb 14, 5:54 pm, Me chabg...@gmail.com wrote:
OK Well this must be a bug I guess but I managed to get it to work.
button_to generates a form for you with a button. You've put a button
in a form, therefore in the generated html there will be a form nested
inside a form which isn't valid html (and also sorts of weird stuff
can happen, like the wrong form being generated).
Fred
For some reason the first one was trying to give the js response to
the action. So for the hey of it I used 3 button_to's and the bottom
two worked while the first one was giving me the same response.
div style=display: none;%= button_to 'Download PCCIS file',
:action = 'downloadpccis' %/div
%= button_to 'Download PCCIS file', :action = 'downloadcis' %
%= button_to 'Download PCCIS file', :action = 'downloadpccis' %
On Feb 13, 6:22 pm, Me chabg...@gmail.com wrote:
Anyone have any ideas why the second button works but the first button
is giving me the above error?
On Feb 12, 10:27 pm, Me chabg...@gmail.com wrote:
For some reason the first button is giving me this for a response:
try {
$(notification).update(h1 style='display: inline' class='mes'Site
123 was built/h1);
$(downloads).show();} catch (e) { alert('RJS error:\n\n' +
e.toString()); alert('$
(\notification\).update(\h1 style=\'display: inline\' class=\'mes
\'Site 123 was built/h1\);\n$(\downloads\).show();'); throw e }
On Feb 12, 9:45 pm, Chris Habgood chabg...@gmail.com wrote:
Application.rhtml:
% form_tag( {:action = 'mltn6p'} ) do -%
div id=page
div id=header
h1Wendia Site entry Program/h1
/div
div id=menu
fieldset
legendSelect your Shelf/legend
%= select(:node, :id, $shelves,{:prompt ='Select
Equipment'},{
:onchange = remote_function(:url = { :action = gotoshelf})} ) %
/fieldsetbr /
%= render :partial = 'sitedata' %
fieldset id=downloads style=display: none
legendDownload POB Files/legend
%=button_to'Download CISfile', :action =
'downloadcis' %
%=button_to'Download PCCISfile', :action =
'downloadpccis' %
/fieldset
/div
div id=content
div id=notification /div
%= yield %
/div
/div
% end %
controller:
def downloadcis
send_file(#{$site.upcase}_CIS.csv, :type = 'text/plain',
:disposition = 'attachment')
end
def downloadpccis
send_file(#{$site.upcase}_PCCIS.csv, :type = 'text/plain',
:disposition = 'attachment')
end
On Thu, Feb 12, 2009 at 9:24 PM, bill walton bwalton...@gmail.com
wrote:
On Thu, 2009-02-12 at 17:29 -0800, Me wrote:
Anyone have any idea why one button does a submit and
the other does afiledownload?
In general, element behavior in any page is a function of the browser
parser's ability to make sense of the code we feed it. Post your code
and we might be able to help.
Best regards,
Bill
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[Rails] Re: restful_authentication with rails 2.2
I have recently setup restful_auth.. on 2.2.2 and all the unit tests passed except for a little correction in the users.yml (fixture) I have been able to successfully create and activate users. I did setup with acts_as_state_machine (AASM) too. Some things I would check- Did the migration from 2.1 to 2.2 succeed? Are the unit tests successful? Hope this helps. -Master Chief (RoR noob) _ From: rubyonrails-talk@googlegroups.com [mailto:rubyonrails-t...@googlegroups.com] On Behalf Of Rodrigo Muiño Sent: Friday, February 13, 2009 9:36 AM To: rubyonrails-talk@googlegroups.com Subject: [Rails] restful_authentication with rails 2.2 Guys, I am using restful_authentication with rails 2.2 an realized that when a user tries to sign up the activation code that is set to his email is different from the one in the database. Do you know if this is an issue of rails 2.2? It used to work fine withe rails 2.1 Thanks Rodrigo --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Ruby on Rails: Talk group. To post to this group, send email to rubyonrails-talk@googlegroups.com To unsubscribe from this group, send email to rubyonrails-talk+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en -~--~~~~--~~--~--~---
[Rails] What is the difference between build and new
I use new in almost all my controllers, but sometimes I have seen the build method inside the controllers of some apps. Can someone explain when should I use build? -- Posted via http://www.ruby-forum.com/. --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Ruby on Rails: Talk group. To post to this group, send email to rubyonrails-talk@googlegroups.com To unsubscribe from this group, send email to rubyonrails-talk+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en -~--~~~~--~~--~--~---
[Rails] Re: What is the difference between build and new
John Smith wrote: I use new in almost all my controllers, but sometimes I have seen the build method inside the controllers of some apps. Can someone explain when should I use build? .build fixes the fact you cannot say this: my_post.tags.new(:name = 'reggae') The new() operator is special, and your editor might color it different. So the architects of ActiveRecord use .build() instead. Both create a new object. But shouldn't we just use this? my_post.tags.create(:name = 'reggae') my_post.tags.create!(:name = 'reggae') What do they do? -- Phlip --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Ruby on Rails: Talk group. To post to this group, send email to rubyonrails-talk@googlegroups.com To unsubscribe from this group, send email to rubyonrails-talk+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en -~--~~~~--~~--~--~---
[Rails] Re: can't find gems in /vendor/gems/ after modifying load_paths
On Feb 13, 11:42 am, Sarah Allen rails-mailing-l...@andreas-s.net
wrote:
I'm picking up a Rails app that is using a lot of older gems. We're
using Rails 2.0.2 and planning to move to to Rails 2.3 along with
upgrading the the dependencies. However, in the meantime, we're moving
servers around and adding new folks to the dev team, so I thought it
wise to freeze the gems. I'm trying to follow the methodology
described here:http://errtheblog.com/posts/50-vendor-everything
and here:http://wiki.joyent.com/shared:kb:installing-rails
Unfortunately, the gems don't seem to be found.
Here's what I did... I had all the old gems installed to ~/.gems and all
the tests passed. Then I unpacked the gems into /vendor/gems
cd ~/rails/vendor/gems
gem unpack exifr
gem unpack rmagick
gem unpack tzinfo
gem unpack uuidtools
I added the following to config/enviroment.rb inside
Rails::Initializer.run do |config|
config.load_paths += Dir[#{RAILS_ROOT}/vendor/gems/**].map do |dir|
File.directory?(lib = #{dir}/lib) ? lib : dir
end
# print out my load_paths for debugging
config.load_paths.each do |p|
puts p
end
and later:
require 'rubygems'
gem 'exifr', '=0.10.6'
gem 'uidtools', '=1.0.2'
gem 'rmagick', '=1.15.8'
gem 'tzinfo', '=0.3.5'
Take a careful look at the errtheblog article - you should be using
require, not gem here.
The gem statements only add the gem directories to the load_path.
In the long run, you should definitely switch over to using
config.gem, but that isn't an
option with Rails 2.0.3.
BTW, even changing to 'require's is still going to leave you with
problems, as RMagick's
native component hasn't been built yet. I don't know of any easy way
to do it in your
situation. You might want, for the short term, to just leave the 'gem'
lines in your environment
and keep the gem packages for the gems you need around. That way, the
code will complain
loudly if the gems needed aren't installed.
--Matt Jones
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[Rails] Re: serialize ... what am I doing wrong?
Summary.new is expecting to receive a hash, which isn't what you're
giving it.
i.e.:
summary = Summary.new( :summary_data = { name=Administator,
login=admin } )
summary.save!
Summary.last.summary_data
= {name=Administrator, login=admin}
On Feb 14, 5:29 am, phil p...@philsmy.com wrote:
Hi.
I want to serialize out an object to the database. But I am getting an
integer value in the column when I expect to see some yaml!
migration:
class CreateSummaries ActiveRecord::Migration
def self.up
create_table :summaries do |t|
t.text :summary_data
t.timestamps
end
end
end
class:
class Summary ActiveRecord::Base
serialize :summary_data
end
example:
summary = Summary.new(:summary_data = User.first)
= #Summary id: nil, fss_player_id: nil, stats_type: nil, scope: nil,
summary_data: #User id: 4, login: LoginName, email: x...@xx.xx,
crypted_password: cbc8411974ad085f608b6e0a05dd608e7577de19, salt:
ddc4528beea65095b7f5619912a6ca0681d0c10e, created_at: 2008-09-12
18:43:19, updated_at: 2009-02-05 04:20:58, remember_token: nil,
remember_token_expires_at: nil, pw_reset_code: nil, role:
commissioner, sign_up_code:
44e11a23be5b7833bf73d479a05166c0e0377c56, reset_password_code_until:
nil, permalink: fname, name: FName, street: nil, city: nil,
province: nil, postcode: nil, country: nil, home_phone: nil,
mobile_phone: nil, display_name: FName, display_teams: true,
website: nil, occupation: nil, interests: nil, favourite_teams: nil,
anonymous_contact: false, created_at: nil, updated_at: nil summary.save!
= true
Summary.first.summary_data
= 4
What am I doing wrong?
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[Rails] Re: What is the difference between build and new
On Feb 14, 2009, at 2:37 PM, Phlip wrote: John Smith wrote: I use new in almost all my controllers, but sometimes I have seen the build method inside the controllers of some apps. Can someone explain when should I use build? .build fixes the fact you cannot say this: my_post.tags.new(:name = 'reggae') The new() operator is special, and your editor might color it different. So the architects of ActiveRecord use .build() instead. Both create a new object. But shouldn't we just use this? my_post.tags.create(:name = 'reggae') my_post.tags.create!(:name = 'reggae') What do they do? -- Phlip In particular, #build (and #create) automatically set, in this case, the :post_id of the associated Tag object to be my_post.id There are times when you want to work briefly with an unsaved object and #build is more appropriate than #create -Rob Rob Biedenharn http://agileconsultingllc.com r...@agileconsultingllc.com --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Ruby on Rails: Talk group. To post to this group, send email to rubyonrails-talk@googlegroups.com To unsubscribe from this group, send email to rubyonrails-talk+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en -~--~~~~--~~--~--~---
[Rails] Re: reaper is not picking up new changes to my application???
(bump) still really keen if someone has any info on this one (see below)
2009/2/10 Greg Hauptmann greg.hauptmann.r...@gmail.com
Still stuck on this. I made sure I wasn't in the current directory when
I did the call to reaper and I still get the same result, i.e. whilst the
process restarts it does not restart with the latest application updates
(made available via the new application being put in a new releases
directory, and then capistrano change the sym link for current to this new
directory).
Question - Is a reaper restart action supposed to update an application?
That is, is the out-of-the box Capistrano command
/u/apps/equity/current/script/process/reaper really supposed to update any
changes to an application (via a cap deploy)?
*** BEFORE CALLING REAPER
[r...@home equity]# ps ax | grep -i ruby
12857 ?S 0:02 ruby
/usr/local/lib/ruby/gems/1.8/gems/mongrel-1.1.5/bin/mongrel_rails start -d
-a 0.0.0.0 -p 3001 -P
/u/apps/equity/releases/20090209112325/tmp/pids/dispatch.3001.pid
-e production -c /u/apps/equity/releases/20090209112325 -l
/u/apps/equity/releases/20090209112325/log/mongrel.log
13036 pts/1R+ 0:00 grep -i ruby
[r...@home equity]# cat current/tmp/pids/dispatch.3001.pid
12857[r...@home equity]# ls -l
total 2
lrwxrwxrwx 1 root root 38 Feb 10 21:10 current -
/u/apps/equity/releases/20090210111005
drwxrwxr-x 24 root root 1024 Feb 10 21:10 releases
drwxrwxr-x 6 root root 1024 Feb 8 20:46 shared
*** CALL REAPER ***
[r...@home equity]# /u/apps/equity/current/script/process/reaper
Restarting 12857
*** AFTER CALLING REAPER ***
[r...@home equity]# ps ax | grep -i ruby
13043 ?S 0:02 ruby
/usr/local/lib/ruby/gems/1.8/gems/mongrel-1.1.5/bin/mongrel_rails start -d
-a 0.0.0.0 -p 3001 -P
/u/apps/equity/releases/20090209112325/tmp/pids/dispatch.3001.pid
-e production -c /u/apps/equity/releases/20090209112325 -l
/u/apps/equity/releases/20090209112325/log/mongrel.log
13048 pts/1R+ 0:00 grep -i ruby
[r...@home equity]# ls -l
total 2
lrwxrwxrwx 1 root root 38 Feb 10 21:10 current -
/u/apps/equity/releases/20090210111005
drwxrwxr-x 24 root root 1024 Feb 10 21:10 releases
drwxrwxr-x 6 root root 1024 Feb 8 20:46 shared
[r...@home equity]# cat current/tmp/pids/dispatch.3001.pid
13043[r...@home equity]#
[r...@home equity]#
Regards
Greg
2009/2/9 Greg Hauptmann greg.hauptmann.r...@gmail.com
I think I see what you're getting at - this is actually the result of
running the out of the box capistrano script - here's the cap deploy output
for example (I just wanted to make it simpler re my post)
Macintosh-2:equity greg$ cap deploy -n
* executing `deploy'
* executing `deploy:update'
** transaction: start
* executing `deploy:update_code'
updating the cached checkout on all servers
executing locally: git ls-remote /Users/greg/source/equity/.git HEAD
* executing if [ -d /u/apps/equity/shared/cached-copy ]; then cd
/u/apps/equity/shared/cached-copy git fetch -q origin git reset -q
--hard 43f8b3df4d8f1f6358b803fbb41f38fcb1a9ddc4; else git clone -q
g...@10.1.1.102:/Users/greg/source/equity/.git
/u/apps/equity/shared/cached-copy cd /u/apps/equity/shared/cached-copy
git checkout -q -b deploy 43f8b3df4d8f1f6358b803fbb41f38fcb1a9ddc4; fi
copying the cached version to /u/apps/equity/releases/20090209085535
* executing cp -RPp /u/apps/equity/shared/cached-copy
/u/apps/equity/releases/20090209085535 (echo
43f8b3df4d8f1f6358b803fbb41f38fcb1a9ddc4
/u/apps/equity/releases/20090209085535/REVISION)
* executing `deploy:finalize_update'
* executing chmod -R g+w /u/apps/equity/releases/20090209085535
* executing rm -rf /u/apps/equity/releases/20090209085535/log
/u/apps/equity/releases/20090209085535/public/system
/u/apps/equity/releases/20090209085535/tmp/pids \\\n mkdir -p
/u/apps/equity/releases/20090209085535/public \\\n mkdir -p
/u/apps/equity/releases/20090209085535/tmp \\\n ln -s
/u/apps/equity/shared/log /u/apps/equity/releases/20090209085535/log \\\n
ln -s /u/apps/equity/shared/system
/u/apps/equity/releases/20090209085535/public/system \\\n ln -s
/u/apps/equity/shared/pids /u/apps/equity/releases/20090209085535/tmp/pids
* executing find /u/apps/equity/releases/20090209085535/public/images
/u/apps/equity/releases/20090209085535/public/stylesheets
/u/apps/equity/releases/20090209085535/public/javascripts -exec touch -t
200902090855.35 {} ';'; true
* executing `deploy:symlink'
* executing rm -f /u/apps/equity/current ln -s
/u/apps/equity/releases/20090209085535 /u/apps/equity/current
** transaction: commit
* executing `deploy:restart'
* executing /u/apps/equity/current/script/process/reaper
Macintosh-2:equity greg$
2009/2/9 MaD mayer.domi...@gmail.com
i really don't know about reaper (as i'm not using it), but i guess
your problem is with the symlink current. you are calling reaper
from that
[Rails] Re: can't find gems in /vendor/gems/ after modifying load_paths
Matt Jones wrote: Take a careful look at the errtheblog article - you should be using require, not gem here. The gem statements only add the gem directories to the load_path. Changing to 'require' got past that error. I still don't understand why it failed to load since I had requires elsewhere that just didn't specify the version. Where would I look up the syntax reference for 'gem' and 'require' ? I'm not really clear where those come from. I see 'require' documented here: http://www.rubygems.org/read/chapter/3 but it doesn't reference the version argument and I don't see where 'gem' is documented. In the long run, you should definitely switch over to using config.gem, but that isn't an option with Rails 2.0.3. I'll give that a look when we upgrade. BTW, even changing to 'require's is still going to leave you with problems, as RMagick's native component hasn't been built yet. I don't know of any easy way to do it in your situation. Thanks for the warning. You might want, for the short term, to just leave the 'gem' lines in your environment and keep the gem packages for the gems you need around. That way, the code will complain loudly if the gems needed aren't installed. Hmmm... so it seems that 'gem' just declares that the code depends on a gem, and 'require' actually loads the library? Thanks so much! Sarah -- Posted via http://www.ruby-forum.com/. --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Ruby on Rails: Talk group. To post to this group, send email to rubyonrails-talk@googlegroups.com To unsubscribe from this group, send email to rubyonrails-talk+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en -~--~~~~--~~--~--~---
[Rails] Re: cPanel Ruby Gems
On Feb 13, 9:49 am, Rob Pa rails-mailing-l...@andreas-s.net wrote: Michael Mike wrote: Did you find a solution to this? I am experiencing the same problem. I contacted my host and got them to update my Ruby Gems. However I now get this message; :0:Warning: Gem::SourceIndex#search support for Regexp patterns is deprecated That's odd... what command produces that warning? Something is calling Gem.source_index.search(/some_regexp/, ...) when it shouldn't. --Matt Jones --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Ruby on Rails: Talk group. To post to this group, send email to rubyonrails-talk@googlegroups.com To unsubscribe from this group, send email to rubyonrails-talk+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en -~--~~~~--~~--~--~---
[Rails] Two-to-one mappings
Hey all, I have a pretty simple question, but I'm not sure of a good solution to it. Essentially, I want to provide a two-to-one mapping of models. I'm working on an application for a contest, where every (unordered) combination of two Rounds is supposed to be assigned to one Room. Any Room might have many different combinations of Rounds, however. What is the Right Way of doing this in Rails? Maybe create a model that holds the associated foreign keys? Also, what would be a good way to scale this out, if I wanted to be able to map unordered n-element collections of Rounds to obtain a Room? Thanks, Greg --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Ruby on Rails: Talk group. To post to this group, send email to rubyonrails-talk@googlegroups.com To unsubscribe from this group, send email to rubyonrails-talk+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en -~--~~~~--~~--~--~---
[Rails] Re: What is the difference between build and new
build does not save the object. create does. if saving fails, create returns false, create! raises error (useful in migration, will rollback) On 14 Ún, 20:37, Phlip phlip2...@gmail.com wrote: John Smith wrote: I use new in almost all my controllers, but sometimes I have seen the build method inside the controllers of some apps. Can someone explain when should I use build? .build fixes the fact you cannot say this: my_post.tags.new(:name = 'reggae') The new() operator is special, and your editor might color it different. So the architects of ActiveRecord use .build() instead. Both create a new object. But shouldn't we just use this? my_post.tags.create(:name = 'reggae') my_post.tags.create!(:name = 'reggae') What do they do? -- Phlip --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Ruby on Rails: Talk group. To post to this group, send email to rubyonrails-talk@googlegroups.com To unsubscribe from this group, send email to rubyonrails-talk+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en -~--~~~~--~~--~--~---
[Rails] Re: can this be done without using find_by_sql
named scope is definitely the way to go. check out http://guides.rubyonrails.org/active_record_querying.html#_named_scopes for more options (especialy named scope with argument) On 14 Ún, 13:32, tonypm tonypmar...@hotmail.com wrote: Just to finish the story. Sorry - the distinct in the select is needed, I missed it out. Going a step further, I now have: named_scope :flagged_repairs, :select = 'distinct repairs.*', :joins = :repair_notes, :conditions = [notes.flagged = ?, true] So in my search, where I am building a dynamic scope (thanks to railscasts) I can do: scope.flagged_repairs.paginate(:page=page, :per_page=per_page) And it all appears to work!! Incredibly neat Tonypm --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Ruby on Rails: Talk group. To post to this group, send email to rubyonrails-talk@googlegroups.com To unsubscribe from this group, send email to rubyonrails-talk+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en -~--~~~~--~~--~--~---
[Rails] Re: gem cleanup and rails 1.2.6 problem
The problem is with your path. You want /System/Library... but you are doing -/System/Library... See the difference? Cheers-- Charles On Fri, Feb 13, 2009 at 3:35 PM, elle wazne...@gmail.com wrote: gem list -d rails gives me: *** LOCAL GEMS *** rails (2.2.2, 1.2.6) Author: David Heinemeier Hansson Rubyforge: http://rubyforge.org/projects/rails Homepage: http://www.rubyonrails.org Installed at (2.2.2): /Library/Ruby/Gems/1.8 (1.2.6): /System/Library/Frameworks/Ruby.framework/ Versions/1.8/usr/lib/ruby/gems/1.8 Web-application framework with template engine, control-flow layer, and ORM. Then running: sudo gem uninstall --install-dir -/System/Library/Frameworks/ Ruby.framework/Versions/1.8/usr/lib/ruby/gems/1.8 rails gives me: ERROR: While executing gem ... (Gem::InstallError) Unknown gem rails = 0 Elle On Feb 14, 8:19 am, Charles Johnson gm.johns...@gmail.com wrote: On Fri, Feb 13, 2009 at 2:43 PM, elle wazne...@gmail.com wrote: Running it with sudo I get: ERROR: While executing gem ... (Gem::InstallError) Unknown gem rails = 0 Do I need to actually sign in as root? Cheers, Elle You should be OK with sudo. Can you post your *exact* command line, and the output from gem list -d rails HTH Charles --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Ruby on Rails: Talk group. To post to this group, send email to rubyonrails-talk@googlegroups.com To unsubscribe from this group, send email to rubyonrails-talk+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en -~--~~~~--~~--~--~---
[Rails] Re: association include and joins issues - 'Unknown Column' error
Excellent! Thanks for the clarification, Fred! I think adding the trait_values as an inner join will do the trick. -Chris On Sat, Feb 14, 2009 at 5:26 AM, Frederick Cheung frederick.che...@gmail.com wrote: On Feb 14, 12:43 am, Chris csw11...@gmail.com wrote: Hi all, I'd really appreciate any help / advice on this problem. When I test this def edit @entity = Entity.find(params[:id], :include = :key_factors) @traits = Trait.find :all, :include = :trait_values, :joins = :trait_values, :joins = LEFT OUTER JOIN key_factors ON key_factors.trait_value_id = trait_values.id AND key_factors.entity_id=+...@entity.id.to_s, :order = 'traits.ordering, traits.name' @frequencies = Frequency.find :all, :order = 'value' end I get the error ActiveRecord::StatementInvalid: Mysql::Error: Unknown column 'trait_values.id' in 'on clause': SELECT `traits`.* FROM `traits` LEFT OUTER JOIN key_factors ON key_factors.trait_value_id = trait_values.id AND key_factors.entity_id=953125641. I would have thought that since I'm including trait_values then that table would be in the SQL statement. However, what I see in the development log is: [4;36 Entity Load (0.0ms) SELECT * FROM `entities` WHERE (`entities`.`id` = 1) [4;35 KeyFactor Load (0.0ms) SELECT `key_factors`.* FROM `key_factors` WHERE (`key_factors`.entity_id = 1) [4;36 Trait Load (0.0ms)Mysql::Error: Unknown column 'trait_values.id' in 'on clause': SELECT `traits`.* FROM `traits` LEFT OUTER JOIN key_factors ON key_factors.trait_value_id = trait_values.id AND key_factors.entity_id=1 ORDER BY traits.ordering, traits.name Which suggests that Rails is doing a separate call for each include... and a bit of research on the API confirms that. However, in an earlier version of rails this worked fine - the log for running the exact same code shows (more or less - replaced a long field list with '*' to make reading easier) Yup that is what happens. It should fall back to the old code in cases like this however I suspect that it doesn't check the :joins clause for tables for that need to be included in the old way. I'm assuming you do actually want that include (and that it wasn't just an easy way of triggering a join) since the answer is probably a lot easier if you don't need the include. Rails will fall back to the old code whenever it sees something that looks like you're using a table that isn't the base table or provided through the joins clause. As I said, unfortunately I don't think it checks the join clause in this way for references to tables. You should be able fix it by adding a dud condition that references the included table. I suspect it was just you poking around but doing :joins = :trait_values, :joins = LEFT OUTER JOIN key_factors ON ... doesn't do anything since a hash can only have one value for a given key. YOu could also try :joins = INNER JOIN trait_values ON ... LEFT OUTER JOIN key_factors ON ... This would allow the query to run ok, however I suspect it would still process the include off the back of a second query. Fred [4;36 Trait Load Including Associations (0.00) SELECT * FROM traits LEFT OUTER JOIN trait_values ON trait_values.trait_id = traits.id LEFT OUTER JOIN key_factors ON key_factors.trait_value_id = trait_values.id AND key_factors.entity_id=1 ORDER BY traits.ordering, traits.name My models are: class Trait ActiveRecord::Base has_many :trait_values, :dependent = :destroy end class TraitValue ActiveRecord::Base belongs_to :trait has_many :key_factors, :dependent = :destroy has_many :trait_value_images, :foreign_key = 'related_id', :dependent = :destroy def sorter [(self.trait.ordering || 0),(self.trait.name || 0), (self.ordering || 0),(self.name || )] end end The API suggests that having conditions on a has_many association might do the trick, but the condition would be to be able to be dynamically specified (...key_factors.entity_id=+...@entity.id.to_s) and I don't see how that's possible when defining the condition on the association in the model (not sure whether that's because it actually isn't possible or just because I don't know Rails well enough). Please help! -Chris Warren --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Ruby on Rails: Talk group. To post to this group, send email to rubyonrails-talk@googlegroups.com To unsubscribe from this group, send email to rubyonrails-talk+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en -~--~~~~--~~--~--~---
[Rails] Trying the ol' articles route, need some help
Hey there,
I am trying to figure out routing and thought that this would probably
be the best way to learn how to do some complicated routes. I've
looked at a lot of people's methods for getting the /articles/
2009/02/12/some-title to work but they all seem to forget to post some
custom method they're writing like by_date.
So here was my stab at it, I know I need to gsub the title. I just
don't know where (in the conditions?)
code
// routes.rb
map.article_page 'articles/:year/:month/:title', :controller =
'articles', :action = show,
:requirements = { :year = /(19|20)\d\d/, :month = /[01]?\d/ }
// articles_controller.rb
def show
@article = Article.find_by_date(params)
...
// article.rb
def self.find_by_date(params)
find(:first, :conditions = [publish_date.year = ? and
publish_date.month = ? and title = ?, params[:year], params[:month],
params[:title]])
end
/code
I know publish_date.year is wrong but I can't figure out a way to pull
the year out of the publish_date column here.
Any help would be surely appreciated.
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[Rails] Execute cap deploy:migrations fails
Hi there, I am trying to deploy a rails app on dreamhost.
Here is the error message that I get:
fatal: 'home/USER_NAME/DOMAIN_NAME/git/APPLICATION_NAME.git': unable
to chdir or not a git archive
fatal: The remote end hung up unexpectedly
/Users/USER/.gem/ruby/1.8/gems/capistrano-2.5.3/lib/capistrano/recipes/
deploy/scm/git.rb:224:in `query_revision': Unable to resolve revision
for 'master' on repository
I am using Capistrano v2.5.3, Rails 2.2 and Git v1.6
I ran deploy:setup and deploy:check successfully. I get the following
message when I run deploy:check command You appear to have all
necessary dependencies installed.
Here is my deploy script
default_run_options[:pty] = true
# be sure to change these
set :user, 'USER_NAME'
set :domain, 'DOMAIN_NAME'
set :application, 'APP_NAME'
# the rest should be good
set :repository, #{us...@#{domain}:home/#{user}/#{domain}/git/#
{application}.git
set :deploy_to, /home/#{user}/#{domain}
set :deploy_via, :remote_cache
set :scm, 'git'
set :branch, 'master'
set :git_shallow_clone, 1
set :scm_verbose, true
set :use_sudo, false
server domain, :app, :web
role :db, domain, :primary = true
namespace :deploy do
task :restart do
run touch #{current_path}/tmp/restart.txt
end
end
I am guessing my path to my git repository is incorrect but I checked
many ... many times and this is my path on my host.
Any help would be greatly appreciated, thank you
Olivier
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[Rails] Re: Execute cap deploy:migrations fails
Try to remove the set :deploy_via, :remote_cache, could never get it to work.
-
Maurício Linhares
http://alinhavado.wordpress.com/ (pt-br) | http://blog.codevader.com/ (en)
On Sat, Feb 14, 2009 at 10:51 PM, olivierntk olivier...@gmail.com wrote:
Hi there, I am trying to deploy a rails app on dreamhost.
Here is the error message that I get:
fatal: 'home/USER_NAME/DOMAIN_NAME/git/APPLICATION_NAME.git': unable
to chdir or not a git archive
fatal: The remote end hung up unexpectedly
/Users/USER/.gem/ruby/1.8/gems/capistrano-2.5.3/lib/capistrano/recipes/
deploy/scm/git.rb:224:in `query_revision': Unable to resolve revision
for 'master' on repository
I am using Capistrano v2.5.3, Rails 2.2 and Git v1.6
I ran deploy:setup and deploy:check successfully. I get the following
message when I run deploy:check command You appear to have all
necessary dependencies installed.
Here is my deploy script
default_run_options[:pty] = true
# be sure to change these
set :user, 'USER_NAME'
set :domain, 'DOMAIN_NAME'
set :application, 'APP_NAME'
# the rest should be good
set :repository, #{us...@#{domain}:home/#{user}/#{domain}/git/#
{application}.git
set :deploy_to, /home/#{user}/#{domain}
set :deploy_via, :remote_cache
set :scm, 'git'
set :branch, 'master'
set :git_shallow_clone, 1
set :scm_verbose, true
set :use_sudo, false
server domain, :app, :web
role :db, domain, :primary = true
namespace :deploy do
task :restart do
run touch #{current_path}/tmp/restart.txt
end
end
I am guessing my path to my git repository is incorrect but I checked
many ... many times and this is my path on my host.
Any help would be greatly appreciated, thank you
Olivier
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[Rails] Re: Execute cap deploy:migrations fails
Looking at the print from capistrano:
fatal: 'home/USER_NAME/DOMAIN_NAME/git/APPLICATION_NAME.git':
unable ???
That just does not look right.
From the host where you have capistrano are you able to run git clone
and the git url ?
Here is a git example url
set :repository, g...@github.com:username/projectname.git
On Feb 14, 5:51 pm, olivierntk olivier...@gmail.com wrote:
Hi there, I am trying to deploy a rails app on dreamhost.
Here is the error message that I get:
fatal: 'home/USER_NAME/DOMAIN_NAME/git/APPLICATION_NAME.git': unable
to chdir or not a git archive
fatal: The remote end hung up unexpectedly
/Users/USER/.gem/ruby/1.8/gems/capistrano-2.5.3/lib/capistrano/recipes/
deploy/scm/git.rb:224:in `query_revision': Unable to resolve revision
for 'master' on repository
I am using Capistrano v2.5.3, Rails 2.2 and Git v1.6
I ran deploy:setup and deploy:check successfully. I get the following
message when I run deploy:check command You appear to have all
necessary dependencies installed.
Here is my deploy script
default_run_options[:pty] = true
# be sure to change these
set :user, 'USER_NAME'
set :domain, 'DOMAIN_NAME'
set :application, 'APP_NAME'
# the rest should be good
set :repository, #{us...@#{domain}:home/#{user}/#{domain}/git/#
{application}.git
set :deploy_to, /home/#{user}/#{domain}
set :deploy_via, :remote_cache
set :scm, 'git'
set :branch, 'master'
set :git_shallow_clone, 1
set :scm_verbose, true
set :use_sudo, false
server domain, :app, :web
role :db, domain, :primary = true
namespace :deploy do
task :restart do
run touch #{current_path}/tmp/restart.txt
end
end
I am guessing my path to my git repository is incorrect but I checked
many ... many times and this is my path on my host.
Any help would be greatly appreciated, thank you
Olivier
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[Rails] Re: I get “Missing these required gems”, but gems are installed
Gems might be installed in more than one area. Look in ~/.gems and make sure that you use sudo when installing gems. Do you now have multiple ruby directories on your mac? if so you most likely have multiple gems directories too... what I found was best when I upgraded from 1.8.6 to 1.8.7 was to remove all gems directories and start empty. I can't remember what the issue was but it was a path issue or something like that. --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Ruby on Rails: Talk group. To post to this group, send email to rubyonrails-talk@googlegroups.com To unsubscribe from this group, send email to rubyonrails-talk+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en -~--~~~~--~~--~--~---
[Rails] Re: Two-to-one mappings
Imagining that every round must belong to a room, here's a simple and straightforward implementation: class Room ActiveRecord::Base # this class needs a max_rounds and rounds_count integer columns has_many :rounds def accepts_more_rounds? max_rounds rounds_count end end class Round ActiveRecord::Base # this class needs a room_id integer column belongs_to :room, :counter_cache = true validate_on_create :validate_rounds_count protected def validate_rounds_count self.room.reload unless self.room.accepts_more_rounds? errors.add( :room, has already met it's rounds limit ) end end end room = Room.create( :max_rounds = 2 ) round_1 = room.rounds.create( :name = 'round 1' ) round_2 = room.rounds.create( :name = 'round 2' ) round_3 = room.rounds.create( :name = 'round 3' ) # this one isn't going to be created round_3.new_record? == true - Maurício Linhares http://alinhavado.wordpress.com/ (pt-br) | http://blog.codevader.com/ (en) On Sat, Feb 14, 2009 at 7:53 PM, Greg Brockman gregory.brock...@gmail.com wrote: Hey all, I have a pretty simple question, but I'm not sure of a good solution to it. Essentially, I want to provide a two-to-one mapping of models. I'm working on an application for a contest, where every (unordered) combination of two Rounds is supposed to be assigned to one Room. Any Room might have many different combinations of Rounds, however. What is the Right Way of doing this in Rails? Maybe create a model that holds the associated foreign keys? Also, what would be a good way to scale this out, if I wanted to be able to map unordered n-element collections of Rounds to obtain a Room? Thanks, Greg --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Ruby on Rails: Talk group. To post to this group, send email to rubyonrails-talk@googlegroups.com To unsubscribe from this group, send email to rubyonrails-talk+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en -~--~~~~--~~--~--~---
[Rails] Re: Two-to-one mappings
That's a clean solution, however I don't know if it satisfies the fact that any Room might have many different combinations of Rounds Not sure I understand correctly, but if a room can have many combination of rounds, and each combination of rounds has more than one round, you could try this: Room and Round models I assume you already have. A room can have many round_combinations (create the RoundCombination model with a room_id. Room :has_many :room_combinations, and RoomCombination :belongs_to :room). Then create a join table between round_combinations and rounds (HABTM). You can use callbacks or validation to limit the relationship to two rounds maximum. On Feb 14, 11:42 pm, Maurício Linhares mauricio.linha...@gmail.com wrote: Imagining that every round must belong to a room, here's a simple and straightforward implementation: class Room ActiveRecord::Base # this class needs a max_rounds and rounds_count integer columns has_many :rounds def accepts_more_rounds? max_rounds rounds_count end end class Round ActiveRecord::Base # this class needs a room_id integer column belongs_to :room, :counter_cache = true validate_on_create :validate_rounds_count protected def validate_rounds_count self.room.reload unless self.room.accepts_more_rounds? errors.add( :room, has already met it's rounds limit ) end end end room = Room.create( :max_rounds = 2 ) round_1 = room.rounds.create( :name = 'round 1' ) round_2 = room.rounds.create( :name = 'round 2' ) round_3 = room.rounds.create( :name = 'round 3' ) # this one isn't going to be created round_3.new_record? == true - Maurício Linhareshttp://alinhavado.wordpress.com/(pt-br) |http://blog.codevader.com/(en) On Sat, Feb 14, 2009 at 7:53 PM, Greg Brockman gregory.brock...@gmail.com wrote: Hey all, I have a pretty simple question, but I'm not sure of a good solution to it. Essentially, I want to provide a two-to-one mapping of models. I'm working on an application for a contest, where every (unordered) combination of two Rounds is supposed to be assigned to one Room. Any Room might have many different combinations of Rounds, however. What is the Right Way of doing this in Rails? Maybe create a model that holds the associated foreign keys? Also, what would be a good way to scale this out, if I wanted to be able to map unordered n-element collections of Rounds to obtain a Room? Thanks, Greg --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Ruby on Rails: Talk group. To post to this group, send email to rubyonrails-talk@googlegroups.com To unsubscribe from this group, send email to rubyonrails-talk+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en -~--~~~~--~~--~--~---
[Rails] conditions on association include, hacky but more or less solved
Hi all, I just finally figured out how to get 2.2.2 to do this, and thought I'd share in case others run into the same thing. The situation is a find with associations, but the tricky part is that the association shouldn't always be loaded. This is similar to putting a condition on a has_many association in a model, but the condition is dynamic rather than predefined. The situation I had is @entity = Entity.find(params[:id]) @traits = Trait.find :all, :include = [:trait_values = [:key_factors]] but I only want the key_factors that connect to the given entity to be loaded. E.g. I have entities Jane and Marco, and traits Height (with values Short, Medium, and Tall) and HairColor (with values Red, Brown, and Black). Key factors connect an entity with a trait value and an additional descriptor; if Jane is very tall and has reddish-brown hair there would be three key factors Jane-Tall(Height)-Very, Jane-Red (HairColor)-Somewhat, and Jane-Brown(HairColor)-Somewhat. I want an admin to be able to specify / alter the key factors, so I need to show all the trait values and also the current key factors if they exist. For entity Jane I would want Height.Short -- key factor not loaded here Height.Medium -- key factor not loaded here Height.Tall.Very-- key factor IS loaded here HairColor.Red.Somewhat -- key factor IS loaded here HairColor.Brown.Somewhat -- key factor IS loaded here HairColor.Black-- key factor not loaded here and for Marco I'd want Height.Short Height.Medium Height.Tall HairColor.Red HairColor.Brown HairColor.Black In SQL this would be represented by a condition in the join clause: ... FROM `traits` LEFT OUTER JOIN `trait_values` ON trait_values.trait_id = traits.id LEFT OUTER JOIN `key_factors` ON key_factors.trait_value_id = trait_values.id AND key_factors.entity_...@entity.id There are two steps to getting this effect. First, you have to get the associations to load in a single query. Second, you have to get the condition into the join clause. By default in 2.2.2 associations are loaded in follow up queries. That is, for @traits = Trait.find :all, :include = [:trait_values = [:key_factors]] you'd get three separate queries (with different where clauses - I have a small, testing data set loaded), one to load the traits, one to load the associated trait values, and one to load the key factors associated with those values: SELECT `traits`.* FROM `traits` SELECT `trait_values`.* FROM `trait_values` WHERE (`trait_values`.trait_id = 1) SELECT `key_factors`.* FROM `key_factors` WHERE (`key_factors`.trait_value_id IN (1,2)) To get that as a single query you need to add dummy conditions to your find that mention the join tables: @traits = Trait.find :all, :include = [:trait_values = [:key_factors]], :conditions = trait_values.trait_id = traits.id AND key_factors.id = key_factors.id which then produces SQL like: FROM `traits` LEFT OUTER JOIN `trait_values` ON trait_values.trait_id = traits.id LEFT OUTER JOIN `key_factors` ON key_factors.trait_value_id = trait_values.id WHERE (trait_values.trait_id = traits.id AND key_factors.id = key_factors.id) Now that final join clause needs to be specified slightly differently (it needs another condition) - this is where it get's hacky. Various experimentation in trying to solve this problem showed that the association based includes are specified before anything in a joins field, AND the contents of the joins field is directly appended. So, the relevant condition can be specified there, and it will be appended to the auto-generated join. @traits = Trait.find :all, :include = [:trait_values = [:key_factors]], :joins = AND key_factors.entity_id=+...@entity.id.to_s, :conditions = trait_values.trait_id = traits.id AND key_factors.id = key_factors.id This generates FROM `traits` LEFT OUTER JOIN `trait_values` ON trait_values.trait_id = traits.id LEFT OUTER JOIN `key_factors` ON key_factors.trait_value_id = trait_values.id AND key_factors.entity_id=2 WHERE (trait_values.trait_id = traits.id AND key_factors.id = key_factors.id) which almost works. The last thing to do is adjust the where conditions to account for the fact that the key_factors may not be there. @traits = Trait.find :all, :include = [:trait_values = [:key_factors]], :joins = AND key_factors.entity_id=+...@entity.id.to_s, :conditions = trait_values.trait_id = traits.id AND IFNULL
[Rails] Re: Undefined method 'parameters' on controller.request
How do I pass the controller through so that a method like template_format will pick it up and use it? Or is there some way to avoid that method being called altogether? Thanks, Michael On Feb 14, 2009, at 8:27 AM, Julian Leviston wrote: Actionmailer is a bit different because the mail has it's own view which has no controller. You'd have to pass the controller in through the message to the mail when you're delivering or building it. Blog: http://random8.zenunit.com/ Learn rails: http://sensei.zenunit.com/ On 14/02/2009, at 9:10 AM, Michael J. I. Jackson mjijack...@gmail.com wrote: I'm getting a NoMethodError using Rails 2.1.0 when trying to send an email using ActionMailer. The error is being thrown from the template_format method in ActionView's base.rb file. Apparently the controller.request object is an instance of DummyClass (according to the exception trace) instead of ActionController::Request, and therefore does not have any useful methods associated with it. Right now I'm thinking that because the ActionMailer doesn't actually represent a separate request per se, that the request object is not being created correctly. Thus, when it goes to create the email using the template, it doesn't really know what format to use. Just a hunch. I'm kind of a Rails newb, so any help with this issue would be greatly appreciated. Just let me know if you need to know any other information. Michael --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Ruby on Rails: Talk group. To post to this group, send email to rubyonrails-talk@googlegroups.com To unsubscribe from this group, send email to rubyonrails-talk+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en -~--~~~~--~~--~--~---
[Rails] inserting a form on a page when button pressed
Ive googled this and searched here and other forums but not getting appropriate reuslts. Perhaps someone on the board can help. All i want to do is to have a button/link on a page such as add task which when pressed will insert the appropriate form plus fields directly under the button/link. Im wondering do i use use remote_link_for for this and if it will link back to the current views controller right? or is there a simpler way of doing this. IF on the same page i had varius links of this sort such as add task, expand table, collapse table and they all linked back to the same controller action, how would i diferentiate between them. Would the logic be in the controller opening up different rjs files or would it be in teh one rjs file? Any help on any of the points would help me out a lot! -- Posted via http://www.ruby-forum.com/. --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Ruby on Rails: Talk group. To post to this group, send email to rubyonrails-talk@googlegroups.com To unsubscribe from this group, send email to rubyonrails-talk+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en -~--~~~~--~~--~--~---
[Rails] Re: Two-to-one mappings
Cool! Harold, your solution strikes me as being exactly the way to do it. I've implemented it, and things seem to be sailing smoothly. Thanks a lot to both of you. Sincerely, Greg On Feb 14, 11:47 pm, Harold harold.gime...@gmail.com wrote: That's a clean solution, however I don't know if it satisfies the fact that any Room might have many different combinations of Rounds Not sure I understand correctly, but if a room can have many combination of rounds, and each combination of rounds has more than one round, you could try this: Room and Round models I assume you already have. A room can have many round_combinations (create the RoundCombination model with a room_id. Room :has_many :room_combinations, and RoomCombination :belongs_to :room). Then create a join table between round_combinations and rounds (HABTM). You can use callbacks or validation to limit the relationship to two rounds maximum. On Feb 14, 11:42 pm, Maurício Linhares mauricio.linha...@gmail.com wrote: Imagining that every round must belong to a room, here's a simple and straightforward implementation: class Room ActiveRecord::Base # this class needs a max_rounds and rounds_count integer columns has_many :rounds def accepts_more_rounds? max_rounds rounds_count end end class Round ActiveRecord::Base # this class needs a room_id integer column belongs_to :room, :counter_cache = true validate_on_create :validate_rounds_count protected def validate_rounds_count self.room.reload unless self.room.accepts_more_rounds? errors.add( :room, has already met it's rounds limit ) end end end room = Room.create( :max_rounds = 2 ) round_1 = room.rounds.create( :name = 'round 1' ) round_2 = room.rounds.create( :name = 'round 2' ) round_3 = room.rounds.create( :name = 'round 3' ) # this one isn't going to be created round_3.new_record? == true - Maurício Linhareshttp://alinhavado.wordpress.com/(pt-br) |http://blog.codevader.com/(en) On Sat, Feb 14, 2009 at 7:53 PM, Greg Brockman gregory.brock...@gmail.com wrote: Hey all, I have a pretty simple question, but I'm not sure of a good solution to it. Essentially, I want to provide a two-to-one mapping of models. I'm working on an application for a contest, where every (unordered) combination of two Rounds is supposed to be assigned to one Room. Any Room might have many different combinations of Rounds, however. What is the Right Way of doing this in Rails? Maybe create a model that holds the associated foreign keys? Also, what would be a good way to scale this out, if I wanted to be able to map unordered n-element collections of Rounds to obtain a Room? Thanks, Greg --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Ruby on Rails: Talk group. To post to this group, send email to rubyonrails-talk@googlegroups.com To unsubscribe from this group, send email to rubyonrails-talk+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en -~--~~~~--~~--~--~---
[Rails] Re: Two-to-one mappings
Great! Glad it worked. On Sun, Feb 15, 2009 at 1:57 AM, Greg gregory.brock...@gmail.com wrote: Cool! Harold, your solution strikes me as being exactly the way to do it. I've implemented it, and things seem to be sailing smoothly. Thanks a lot to both of you. Sincerely, Greg On Feb 14, 11:47 pm, Harold harold.gime...@gmail.com wrote: That's a clean solution, however I don't know if it satisfies the fact that any Room might have many different combinations of Rounds Not sure I understand correctly, but if a room can have many combination of rounds, and each combination of rounds has more than one round, you could try this: Room and Round models I assume you already have. A room can have many round_combinations (create the RoundCombination model with a room_id. Room :has_many :room_combinations, and RoomCombination :belongs_to :room). Then create a join table between round_combinations and rounds (HABTM). You can use callbacks or validation to limit the relationship to two rounds maximum. On Feb 14, 11:42 pm, Maurício Linhares mauricio.linha...@gmail.com wrote: Imagining that every round must belong to a room, here's a simple and straightforward implementation: class Room ActiveRecord::Base # this class needs a max_rounds and rounds_count integer columns has_many :rounds def accepts_more_rounds? max_rounds rounds_count end end class Round ActiveRecord::Base # this class needs a room_id integer column belongs_to :room, :counter_cache = true validate_on_create :validate_rounds_count protected def validate_rounds_count self.room.reload unless self.room.accepts_more_rounds? errors.add( :room, has already met it's rounds limit ) end end end room = Room.create( :max_rounds = 2 ) round_1 = room.rounds.create( :name = 'round 1' ) round_2 = room.rounds.create( :name = 'round 2' ) round_3 = room.rounds.create( :name = 'round 3' ) # this one isn't going to be created round_3.new_record? == true - Maurício Linhareshttp://alinhavado.wordpress.com/(pt-br)http://alinhavado.wordpress.com/%28pt-br%29| http://blog.codevader.com/(en) http://blog.codevader.com/%28en%29 On Sat, Feb 14, 2009 at 7:53 PM, Greg Brockman gregory.brock...@gmail.com wrote: Hey all, I have a pretty simple question, but I'm not sure of a good solution to it. Essentially, I want to provide a two-to-one mapping of models. I'm working on an application for a contest, where every (unordered) combination of two Rounds is supposed to be assigned to one Room. Any Room might have many different combinations of Rounds, however. What is the Right Way of doing this in Rails? Maybe create a model that holds the associated foreign keys? Also, what would be a good way to scale this out, if I wanted to be able to map unordered n-element collections of Rounds to obtain a Room? Thanks, Greg --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Ruby on Rails: Talk group. To post to this group, send email to rubyonrails-talk@googlegroups.com To unsubscribe from this group, send email to rubyonrails-talk+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en -~--~~~~--~~--~--~---
