date:20100803

ActionView::TemplateError (SystemExit: exit: SELECT * FROM
product_stocklevels WHERE (product_stocklevels.product_id = 831 AND
(size = 'W44 L 32' AND stock  0))  LIMIT 1)

Before I paste more code, has anyone come across this before?
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[Rails] Re: how to configure rails to use mysql by default (not sqlite3)

2010-08-03 Thread Kenneth

just add -d mysql option when you create a new rails project
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[Rails] Re: :url being ignored or routing problem?

2010-08-03 Thread Frederick Cheung



On Aug 2, 11:15 pm, suzuki elle.on.ra...@gmail.com wrote:

 troubleshooting
 i'm looking at the log, and it seems to me that when i am at the
 initial page (and surrounding pages), i am in the desired controller.
 routing appears to be working as expected.  however, when i test my
 drop-down menu, it appears as though 1) the :url = {:controller = ..
 details are being ignored; and 2) the parent admin controller only
 is getting processed rather than the supposed current admin/assets
 controller.  it is as if the default, last route,  map.connect
 ':controller/:action/:id'  is being consulted rather than the :url in
 observe_field or anything else higher pertaining to admin and assets
 in routes.  assets gets parsed as/demoted to an action rather than
 as part of the controller.

 %= select_tag(:type, options_for_select(['[select
 one]','page','program','event']), :id = 'type_selection') %

 %= observe_field('type_selection',
   :frequency = 0.5,
   :update = 'page_selection',
   :url = {:controller = admin/assets, :action = :set_pages},
   :with = 'type='+$('type_selection').value) %

 div id=page_selection
 /div

What  is in the rendered html?

Fred

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[Rails] Re: Rails3-beta4: Calling to_json on an ActiveRecord::Relation causes an error

2010-08-03 Thread Huet

Hi All,

I have had this problem with Rails 3 and 1.9.1. The fix for this error
is to add to_a to the json call.

render :json = {:top = @top.to_a.as_json(:only = [:id, :title ] ) }

Hope this helps.

Huet

On Aug 3, 8:01 am, Conrad Taylor conra...@gmail.com wrote:
On Mon, Aug 2, 2010 at 2:26 PM, wprater mc.willpra...@gmail.com wrote:
Here is my model and an attempt to convert to json. Whether there is
data returned or not, a circular reference error is thrown. How can I
avoid this?

wprater, I would recommend trying Rails 3 RC by doing the following:

gem install rails --pre

Also, if you don't have a requirement to use Ruby 1.8.7, I would recommend
using Ruby 1.9.2 RC2 by doing the following:

rvm install 1.9.2

Ryan Bates recently added the following screencast which covers the
installation
of both Rails 3 and Ruby 1.9.2.

http://media.railscasts.com/videos/225_upgrading_to_rails_3_part_1.mov

Good luck,

-Conrad

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[Rails] Re: File creation in Rails

2010-08-03 Thread tonypm

To access files in rails, you can use the Ruby File Class

http://ruby-doc.org/core/classes/File.html#M002579

You can put this into a method in the model.  Then either call it
specifically from the controller, or use an after_update callback to
automatically create the file after the object has been saved to the
database

def save_file(filename)
   File.open #{RAILS_ROOT}/tmp/#{filename}, 'w' do |f|
  f.write contents
   end
end

Tonypm

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[Rails] Drop down box in ruby

2010-08-03 Thread Chad Weier

Hello I've only been playing with ruby and rails for a few short weeks,

I have an class called time in my libs folder and I want to call an
array from this class and populate a drop down box/select box in rails
in one of my view pages.

everything online is so confusing regarding this..

Just say my array is like this
time = [[minute,min,20,50],[hour,hr,10,50]]

How would I get a select box to list
-minute
-second

Also where is the most correct places to put the method to call the
array in the rails application?

I would really appreciate someone helping me learn how to do this.
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[Rails] Re: Drop down box in ruby

2010-08-03 Thread Chad Weier


 How would I get a select box to list
 -minute
 -hour

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Re: [Rails] Re: Drop down box in ruby

2010-08-03 Thread lucas franceschi

i didn't understand that...
try to explain me some things... i would be pleased to help.

so, you want a ComboBox that shows what? the values in the array?
if it is so, you may want to populate this array in the controller, and
iterate it in the view, adding values for each item in your array.

imagine this:

I have an array of places, that i want to show in a ComboBox in the view.

so, in the controller you create an instance variable, thats your array, and
in the view, you`ll put pure HTML and iterate your array adding values

like:
form
select name=hour
%...@my_array.each do |h| %
option value=%= h.value %%= h.text %
%end%
/select
/form

you understand what I mean?

by doing this, rails will use the injected ruby code to iterate trough your
form, and will repeat the same code for each item in the array, remember you
can work this out...

well... lets try to solve your problem...

lets say you have this array

@time = [[minute,min,20,50],[hour,hr,10,50]]

then in the view you'll iterate this array:

form
select
% @time.each do |item| %

option value=%= item[1] %%= item[0] %

% end %
/select
/form

this way you'll have a ComboBox that shows whatever is in your array's
item's 0 index, with the value (what goes with the form) being whatever is
in you array's item's 1 index.

I hope I'm being helpful...

Lucas Franceschi
Equipe de Programação (Automação)
SGI Sistemas
(049) 9922-3360

On Tue, Aug 3, 2010 at 8:10 AM, Chad Weier li...@ruby-forum.com wrote:

How would I get a select box to list
-minute
-hour

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[Rails] ActiveRecord - find MySQL connection/thread ID for query

2010-08-03 Thread Michaël

Hi,

Is it possible, when using a find method with a Model, to record the
MySQL thread ID for the subsequent database query? Does ActiveRecord
expose this?

Many thanks,
Michaël

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[Rails] Re: ActiveRecord - find MySQL connection/thread ID for query

Michaël wrote:
 Hi,
 
 Is it possible, when using a find method with a Model, to record the
 MySQL thread ID for the subsequent database query? Does ActiveRecord
 expose this?

Why on earth would you need this?  What are you trying to achieve?

 
 Many thanks,
 Micha�l

Best,
-- 
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http://www.marnen.org
mar...@marnen.org

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Re: [Rails] Adding data as a transaction

2010-08-03 Thread Colin Law

On 2 August 2010 22:48, pipplo joe.kos...@gmail.com wrote:
 Hey Everyone

 I'm new to RoR and this group so please let me know if I'm not being
 descriptive enough, or if I'm asking questions when I should RTFM.

 I have a basic understanding of RoR, but I'm kinda missing the next
 step for a web application I have in mind.

 I want to create an order form, where the user clicks on say New Form,
 and then enter name and address and other basic info.

 Then, using some AJAX he can add multiple items to the order.  Now I
 think I understand how to do this if I want to create an Order, and
 then each time the user adds a new item that item gets put into the
 database, etc.

 What I can't figure out how to do is have the user fill out a form,
 and then submit it at the end to make sure nothing gets put into the
 db until the form is complete.  I don't want the user changing their
 mind before clicking submit and being left with stale data in the db.
 And I would also like to do it as a transaction so that if the
 database fails I can roll back data.

 Now I'm sure this is possible...but I just don't know where I'm
 supposed to store the data until final submission time in Ruby.  In
 PHP I would just use some session data to store data as the user is
 going through.  Is that the Ruby Way too?  Am I missing something?

Using the session is a reasonable way to go.  I wonder whether you
need to store anything in the db till all is complete, you could just
keep it in the session.  Then you don't have to worry about clearing
it up if the operation is never completed.

Colin


 Any explanations, or pointers to some good reading are welcomed!

 Thanks!

 Joe

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[Rails] Re: [ANN] NullDB 0.0.1

Avdi Grimm wrote:
 == What
 
 NullDB is a Rails database connection adapter that interprets common
 database operations as no-ops.  It is the Null Object pattern as
 applied to database adapters.
[...]
 == Why
 
 NullDB is intended to assist in writing fast database-independant unit
 tests for ActiveRecord classes.  For why you would want to test your
 models without the database, see:
 http://www.dcmanges.com/blog/rails-unit-record-test-without-the-database.

I'm not at all convinced that this is a good way of testing (and in my 
experience, ThoughtWorks' software has lots of problems, which could say 
something about their testing practices).  However, assuming for the 
moment that it is good...
[...]
 * It is *not* an in-memory database.  Finds will not work.  Neither
   will #reload, currently.

So how is this of any use at all?  Normally, when I use tests with 
database operations, I do so to confirm that I'm writing to the database 
what I think I am.  (Sure, I could use RSpec's mocks to test that -- and 
then I wouldn't need NullDB in the first place.)  By removing the 
capability to save records, it seems to me that you've removed any 
utility that this might have had.  Am I missing something?  How do *you* 
find this puppy useful?

Best,
-- 
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http://www.marnen.org
mar...@marnen.org

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[Rails] Re: ActiveRecord - find MySQL connection/thread ID for query

2010-08-03 Thread Michaël



On Aug 3, 1:24 pm, Marnen Laibow-Koser li...@ruby-forum.com wrote:
 Michaël wrote:
  Hi,

  Is it possible, when using a find method with a Model, to record the
  MySQL thread ID for the subsequent database query? Does ActiveRecord
  expose this?

 Why on earth would you need this?  What are you trying to achieve?



  Many thanks,
  Micha l

Because the application I'm maintaining uses Model find() methods to
run large queries on the database to produce reports. These queries
can take upwards of 10 minutes due to some complex table joins. While
I'm altering the way these are working so they're not taking a large
amount of time, I need an interim solution where I monitor the
database for any of these queries that are taking more than a set
maximum time, killing the thread of those queries that are going over
the threshold and recording which query was killed so it can be re-run
at a quieter time. It would be really useful if, when one of these
large finds is run, that I could record the thread ID it creates so if
I need to kill a thread, I can match it back up to the originating
find() call.

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[Rails] Returning last value

2010-08-03 Thread Bla ...

Hi.

I have the following controller of the update action:

[code]
def update
@projeto = Projeto.find(params[:id])

if (@projeto.update_attributes(params[:projeto]))

## Mesmo raciocínio utilizado no create.
@permissaoA = Permissao.find(:first, :conditions = [usuario_id =
?, @projeto.responsavel.to_i])
@permissaoAvancado1 = Permissao.find(:first, :conditions =
[projeto_id = ? and usuario_id = ?, 0, @projeto.responsavel.to_i])
if @permissaoAvancado1.nil?
## Caso tenham excluido os usuários responsáveis, as permissões
seriam nulas. Dai ele verifica se vai alterar ou criar uma permissão
if @permissaoA.nil?
@permissaoAv = Permissao.new(params[:permissao])
@permissaoAv.perfil = Avançado
@permissaoAv.usuario = Usuario.find(:first, :conditions = [id =
?, @projeto.responsavel.to_i])
@permissaoAv.save(params[:permissao])
end
end

## O mesmo que avançado
@permissaoI = Permissao.find(:first, :conditions = [projeto_id = ?
and perfil = ? and usuario_id = ?, @projeto.id, Intermediário,
@projeto.responsavel_td.to_i])
@permissoesB = Permissao.all(:conditions = [projeto_id = ? and
usuario_id = ? and perfil = ?, @projeto.id,
@projeto.responsavel_td.to_i, Básico])
@permissaoAvancado2 = Permissao.find(:first, :conditions =
[projeto_id = ? and usuario_id = ?, 0, @projeto.responsavel_td.to_i])
if @permissaoAvancado2.nil?
if @permissaoI.nil?
  @permissaoIn = Permissao.new(params[:permissao])
#else
#  @permissaoIn = @permissaoI
#end
@permissaoIn.usuario = Usuario.find(:first, :conditions = [id =
?, @projeto.responsavel_td.to_i])
@permissaoIn.projeto = Projeto.find(:first, :conditions = [id =
?, @projeto.id])
@permissaoIn.perfil = Intermediário
#if !...@permissaoi.nil?
#@permissaoIn.update_attributes(params[:permissao])
#else
@permissaoIn.save(params[:permissao])
if !...@permissoesb.empty?
  for perm in @permissoesB
perm.destroy
  end
end
end
end

@permissaoB = Permissao.find(:first, :conditions = [projeto_id = ?
and perfil = ? and usuario_id = ?, @projeto.id, Básico,
@projeto.coordenador.to_i])
@permissaoAvancado3 = Permissao.all(:conditions = [projeto_id = ?
and usuario_id = ?, 0, @projeto.coordenador.to_i])
@permissoesI = Permissao.all(:conditions = [projeto_id = ? AND
usuario_id = ? AND perfil = ?, @projeto.id, @projeto.coordenador.to_i,
Intermediário])
## Se ele já tiver a permissao de avançado, não faz nada. Se não
tiver, cria uma (sem nenhum projeto)
if @permissaoAvancado3.empty?  @permissoesI.empty?
#if @permissaoB.nil?
  @permissaoBa = Permissao.new(params[:permissao])
#else
#  @permissaoBa = @permissaoB
#end
@permissaoBa.usuario = Usuario.find(:first, :conditions = [id =
?, @projeto.coordenador.to_i])
@permissaoBa.projeto = Projeto.find(:first, :conditions = [id =
?, @projeto.id])
@permissaoBa.perfil = Básico
#if !...@permissaob.nil?
#@permissaoBa.update_attributes(params[:permissao])
#else
  @permissaoBa.save(params[:permissao])
#end
end


## Ao editar um projeto, existe a possibilidade da alteração do
responsável pela Td
## Portanto, ele procura por todas as tarefas daquele projeto
@tarefas = Tarefa.all(:conditions = [projeto_id = ?,
@projeto.id])
## Varre cada uma
for tarefa in @tarefas
## Altera o campo responsável pelo respnsável_td recém modificado
(ou não) na edição do projeto
  tarefa.responsavel = Usuario.find(:first, :conditions = [id =
?, @projeto.responsavel_td]).nome
## Atualiza as alterações
  tarefa.update_attributes(params[:tarefa])
end
flash[:msg] = Projeto atualizado com sucesso
redirect_to(@projeto)
   else
  render :action = edit
end
  end
[/code]

It works ok, but what i wanna do is:

destroy the permissao of responsavel_td and coordenador BEFORE the
update.
in other words, if the responsavel_td or the coordenador change, i
wanna to destroy the permissao existing for those who were before the
change.

I make my self clear?

If you can't understand me, just think this way.. How can I return the
value before the update?

Thanks any help.
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[Rails] Languages

My client has a translator and wants a lot of his page content to be
translated into 6 different languages.

When a user selects their language on the front end, it need to alter
the Page content, Page title and Navigation title.

I've made alternate columns in my database for the other languages.
Although it's messy, it is what the client requested.

So I assume I'll need an action in my application controller to set
session data and then render the appropriate content front-end.

Now, can someone give me any help regarding this process, or has anyone
come across this before?
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[Rails] Re: Languages

Pale Horse wrote:
 My client has a translator and wants a lot of his page content to be
 translated into 6 different languages.
 
 When a user selects their language on the front end, it need to alter
 the Page content, Page title and Navigation title.
 
 I've made alternate columns in my database for the other languages.
 Although it's messy, it is what the client requested.
 
 So I assume I'll need an action in my application controller to set
 session data and then render the appropriate content front-end.
 
 Now, can someone give me any help regarding this process, or has anyone
 come across this before?

First I have to ask if you have read the Rails Internationalization 
(I18n) guide:

http://guides.rubyonrails.org/i18n.html

Or is your question specifically related to how to store the user's 
preferred language.
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[Rails] Re: Juggernaut Rails 3

2010-08-03 Thread Rémi Gagnon

Same thing for me, I plan to put online a site with juggernaut this 
fall, an I keep wondering if its the right gem for a chatting engine. 
Is there any other gem or libs more up to date?

Rémi


Kenneth     wrote:
 Are there any plans to update the Juggernaut gem to be compatible with
 Rails 3? It doesn't seem to work as of now with Rails 3, unless I set up
 the whole thing wrong. Also are there any good working alternatives for
 a push server?

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[Rails] Re: Languages

Robert Walker wrote:
 Pale Horse wrote:
 My client has a translator and wants a lot of his page content to be
 translated into 6 different languages.
 
 When a user selects their language on the front end, it need to alter
 the Page content, Page title and Navigation title.
 
 I've made alternate columns in my database for the other languages.
 Although it's messy, it is what the client requested.
 
 So I assume I'll need an action in my application controller to set
 session data and then render the appropriate content front-end.
 
 Now, can someone give me any help regarding this process, or has anyone
 come across this before?

 First I have to ask if you have read the Rails Internationalization 
 (I18n) guide:
 
 http://guides.rubyonrails.org/i18n.html

I've not read this, though I imagine it to be overkill for my purposes.

 Or is your question specifically related to how to store the user's 
 preferred language.

What I really want is to render a different column based on the session 
data.
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[Rails] Re: Rails 3: Update responding with empty json

2010-08-03 Thread Rasmus Nielsen

Fabio Kreusch wrote:
 I am still stuck with this. Does anyone knows if this is the expected
 beavior for Rails? Should respond_with on update really return an
 empty json object?

I pretty sure the Rails behavior is as intended. Rails basically says 
the save was successful by returning a 200 status code.

jQuery however, considers the request successful if it gets a 200 status 
code AND some valid json content.

Personally, I like the Rails way better here.

But nonetheless, I'm currently stuck with the same problem.

An ugly (but working!) solution would be to replace your respond_with 
with this
render :json = { :ok = true }

Did you find a nicer solution?
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Re: [Rails] Re: Languages

2010-08-03 Thread Leonardo Mateo

On Tue, Aug 3, 2010 at 11:06 AM, Pale Horse li...@ruby-forum.com wrote:
 Robert Walker wrote:
 Pale Horse wrote:
 My client has a translator and wants a lot of his page content to be
 translated into 6 different languages.

 When a user selects their language on the front end, it need to alter
 the Page content, Page title and Navigation title.

 I've made alternate columns in my database for the other languages.
 Although it's messy, it is what the client requested.

 So I assume I'll need an action in my application controller to set
 session data and then render the appropriate content front-end.

 Now, can someone give me any help regarding this process, or has anyone
 come across this before?

 First I have to ask if you have read the Rails Internationalization
 (I18n) guide:

 http://guides.rubyonrails.org/i18n.html

 I've not read this, though I imagine it to be overkill for my purposes.
Really?
You should read it. That's how rails works with i18n. Overkill would
be to implement a different solution when a lot (and I mean a LOT) of
people already worked it out in a really nice way.
If you think that translate an application to 6 different languages
doesn't need an elegant and easy-to-maintain solution, then you're in
trouble.


 Or is your question specifically related to how to store the user's
 preferred language.

 What I really want is to render a different column based on the session
 data.
If you want to do that, it's a different story. You don't need to ask
anybody to do that, just make a case/when structure and you'll be on
your way.


-- 
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There's no place like ~

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[Rails] Re: Complex associations

2010-08-03 Thread Trish

Thank you for your response.  However, I am refactoring an existing
application, and am trying to remove a bunch of pure SQL that was put
in the code.  I believe the best way to do this is with a table
association.  One of the big features I want to use out of this is
retrieving the records in the proper order (I'd prefer not to sort
with Ruby after the fact since that would force me to rewrite a bunch
of code for the sorting of the report).

However, as this is an existing application (similar in setup to the
example I gave), I cannot remove the model, as there is a table
already associated with it, and the ids are being used.

Another option that would work is to use a 'joins' statement in my
finder method so I can sort products based on Store attributes with
something like this:
FROM products
LEFT JOIN departments on departements.id = products.department_id
LEFT JOIN stores on stores.id = products.store_id OR stores.id =
departments.store_id

However, I am also using an :include option for several associations,
and it seems that joins and include are mutually exclusive.  I'd
really had to have to write out all of the associations.

Any thoughts?

Thanks!
Trish

On Aug 3, 2:11 am, Angel Robert Marquez angel.marq...@gmail.com
wrote:
 class Store  ActiveRecord::Base
 has_many: store_type
 has_many: product_type, :through = department

 class Department  ActiveRecord::Base
 belongs_to: store
 belongs_to: product

 class Product  ActiveRecord::Base
   has_many :departments
   has_many :stores, :through = department
 end

 I think you need to remove the StoreType as a model...



 On Mon, Aug 2, 2010 at 11:05 AM, Trish trish.b...@gmail.com wrote:
  I am working on a project that has some complex table associations,
  and I am having a hard time declaring this association in a Model, and
  fear it can't be done.

  Here is an example of my issue...

  class StoreType  ActiveRecord::Base; end
  class Store  ActiveRecord::Base; end
  class Department  ActiveRecord::Base; end
  class Product  ActiveRecord::Base; end

  A StoreType has many stores and a Store has many Department.  However,
  both Store and Department have many products.  An product has the
  columns store_id and department_id which are mutually exclusive.  This
  is because a Product may belong directly to a Department, or it may be
  a 'global' product that belongs directly to the Store.

  What I'd like to do is have an association in the StoreType model that
  would give me all products for that StoreType.

  Currently, I have set up the following associtations on StoreType:

  class StoreType  ActiveRecord::Base
   has_many :stores
   has_many :departments, :through=:stores

  has_many :store_products, :through=:stores, :source=:products, :uniq
  = true

  has_many :department_products, :through=:departments, :source=:products,
  :uniq
  = true
  end

  This is using the Nested Has Many Through plugin to achieve the nested
  association (department_products).

  However, I'd like to have a generic 'products' association for
  StoreType that pulls a combination of the two product associations.
  I'd like to do this through an association instead of just through a
  function because I want to gain the dynamic methods created by
  has_many, specifically the collection.find(...) method so I can add
  more conditions to the collection.

  Is there a way to do this?

  Thanks in advance!
  Trish

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[Rails] Re: Drop down box in ruby

2010-08-03 Thread Bob Proulx

Chad Weier wrote:
 I have an class called time in my libs folder and I want to call an
 array from this class and populate a drop down box/select box in rails
 in one of my view pages.
 
 everything online is so confusing regarding this..

There are multiple ways of invoking the helpers to produce output.

 Just say my array is like this
 time = [[minute,min,20,50],[hour,hr,10,50]]

Sorry but I do not understand.  Obviously min is short for minute
but how do 20 and 50 relate?  And same for the hours?  Whare are the
values of those 'minute' and 'min' and 'hour' and 'hr' variables?

 How would I get a select box to list
 -minute
 -second

But you don't even list minute or second in your time array.

Let's try a simple example.  Suppose you have a Time object and you
want to set a variable 'value' to one of several values.

  %= select(:time, :value, { One = 1, Two = 2, Three = 3 }) %

That will create html output:

  select id=time_value name=time[value]
  option value=One1/option
  option value=Two2/option
  option value=Three3/option
  /select

That will display One, Two, and Three in the selection dropdown
box.  Upon POST submission this will create a params[:time] array
containing :value as params[:time][:value] containing either 1, 2 or
3.  Since it is part of the params[:time] object you can simply create
a new Time in the controller normally.

  @time = Time.new(params[:time])

The variable 'value' will be assigned automatically to the object.

I used one, two, three since those are illustrative of the technique.
But you can do many other things there.  And there is another helper
called collection_select() that is also very useful when dealing with
an array of objects.

The values may also be nested arrays.  But I think the previous is
more visible and easier to read.  But the following is also possible.

  %= select(:time, :value, [[One,1],[Two,2],[Three,3]]) %

As to your particular issue:

 time = [[minute,min,20,50],[hour,hr,10,50]]

Sorry but I do not understand this example.  So instead let me assume
that you have the following:

  time = { Hour = 3600, Minute = 60, Second = 1 }

Then the following:

  %= select(:time, :value, time) %

Will produce this HTML:

  select id=time_value name=time[value]
  option value=Hour3600/option
  option value=Minute60/option
  option value=Second1/option
  /select

Hope this is helpful!

Bob

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[Rails] Re: ActiveRecord - find MySQL connection/thread ID for query

Michaël wrote:
 On Aug 3, 1:24�pm, Marnen Laibow-Koser li...@ruby-forum.com wrote:

  Many thanks,
  Micha l

[Please quote what you're replying to.  It will make the discussion 
easier to follow.]

 
 Because the application I'm maintaining uses Model find() methods to
 run large queries on the database to produce reports. These queries
 can take upwards of 10 minutes due to some complex table joins. While
 I'm altering the way these are working so they're not taking a large
 amount of time, I need an interim solution where I monitor the
 database for any of these queries that are taking more than a set
 maximum time, killing the thread of those queries that are going over
 the threshold and recording which query was killed so it can be re-run
 at a quieter time.

Your database should already do this.  You don't need to do it from 
Rails.

 It would be really useful if, when one of these
 large finds is run, that I could record the thread ID it creates so if
 I need to kill a thread, I can match it back up to the originating
 find() call.

If the database kills a thread, can't you just rescue the appropriate 
exception?

Best,
--
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http://www.marnen.org
mar...@marnen.org
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[Rails] Re: Re: Languages

Leonardo Mateo wrote:
 On Tue, Aug 3, 2010 at 11:06 AM, Pale Horse li...@ruby-forum.com 
 wrote:


 I've not read this, though I imagine it to be overkill for my purposes.
 Really?
 You should read it. That's how rails works with i18n. Overkill would
 be to implement a different solution when a lot (and I mean a LOT) of
 people already worked it out in a really nice way.

Rails I18N is not really nice.  I recommend fast_gettext instead.

 If you think that translate an application to 6 different languages
 doesn't need an elegant and easy-to-maintain solution, then you're in
 trouble.

Agreed.

 

 Or is your question specifically related to how to store the user's
 preferred language.

 What I really want is to render a different column based on the session
 data.

No, you really don't.  You want to use one of the existing I18N 
solutions -- and you don't want to add a column to the DB every time you 
need to support another language.

 If you want to do that, it's a different story. You don't need to ask
 anybody to do that, just make a case/when structure and you'll be on
 your way.

But don't do it.

 
 
 --
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 There's no place like ~

Best,
--
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http://www.marnen.org
mar...@marnen.org
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[Rails] Re: ActiveRecord - find MySQL connection/thread ID for query

2010-08-03 Thread Michaël


  It would be really useful if, when one of these
  large finds is run, that I could record the thread ID it creates so if
  I need to kill a thread, I can match it back up to the originating
  find() call.

 If the database kills a thread, can't you just rescue the appropriate
 exception?

That's a good point. I'll try catching the exception and storing the
find parameters so I can run that query at time when I can afford to.

Thanks for the help,

Michaël

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[Rails] Re: Re: Languages

Marnen Laibow-Koser wrote:
 
 Rails I18N is not really nice.  I recommend fast_gettext instead.
 
 If you think that translate an application to 6 different languages
 doesn't need an elegant and easy-to-maintain solution, then you're in
 trouble.
 
 Agreed.
 
 Or is your question specifically related to how to store the user's
 preferred language.

 What I really want is to render a different column based on the session
 data.
 
 No, you really don't.  You want to use one of the existing I18N 
 solutions -- and you don't want to add a column to the DB every time you 
 need to support another language.
 
 If you want to do that, it's a different story. You don't need to ask
 anybody to do that, just make a case/when structure and you'll be on
 your way.
 
 But don't do it.

How effective and accurate are the I18N translation solutions? More-so
than members of the foreign-speaking countries themselves that my client
is in contact with?
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[Rails] How to CSS

2010-08-03 Thread Fernando Perez

Hi,

It's not specifically related to Rails, but how do you arrange your CSS
files?

I used to dump everything in a gigantic screen.css file. Then I noticed
that some rules only appeared in a few pages.

Therefore I am considering having a layout.css for all pages and roughly
1 css file per controller if I need specific things in it that are not
found in layout.css.

How do you organize that?
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[Rails] Re: Re: Languages

Pale Horse wrote:
[...]
 How effective and accurate are the I18N translation solutions? More-so
 than members of the foreign-speaking countries themselves that my client
 is in contact with?

The Rails I18N modules are not translation solutions.  They're simply 
modules for managing the translated text.  You still need a human 
translator to generate that translated text.

Best,
--
Marnen Laibow-koser
http://www.marnen.org
mar...@marnen.org
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[Rails] Re: simple redirect_to shows in log but doesn't redirect

2010-08-03 Thread joshmc...@gmail.com

Have you tried naming the file create.js.rjs?

On Aug 2, 11:46 am, Neil Bye li...@ruby-forum.com wrote:
 Joshua Mckinney wrote:
  From inside your create method in the controller, what does
  request.format return?

  If the request is a plain old html request is should put text/html
  If the request is an ajax request is should put text/javascript
  if the request puts text/html or anything besides  text/javascript
  you can force the format by adding:   request.format = :js to the
  controller method.

 If I try this

 def create
   �...@story = Story.find(params[:story_id])
   �...@story.comments.create params[:comment]
    request.format = :js
  end

 or this

  def create
   �...@story = Story.find(params[:story_id])
   �...@story.comments.create params[:comment]
  end

 both give

 Comment Create (0.5ms)   INSERT INTO comments (created_at, body,
 updated_at, story_id) VALUES('2010-08-02 16:38:36', 'cat',
 '2010-08-02 16:38:36', 2)

 ActionView::MissingTemplate (Missing template comments/create.erb in
 view path app/views):

 Still can't see where it's going wrong.

 In peace Neil
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[Rails] Re: Re: Languages

Marnen Laibow-Koser wrote:
 Pale Horse wrote:
 [...]
 How effective and accurate are the I18N translation solutions? More-so
 than members of the foreign-speaking countries themselves that my client
 is in contact with?
 
 The Rails I18N modules are not translation solutions.  They're simply 
 modules for managing the translated text.  You still need a human 
 translator to generate that translated text.
 
 Best,
 --
 Marnen Laibow-koser
 http://www.marnen.org
 mar...@marnen.org

Thank you. I'll investigate that now.
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[Rails] Re: How to CSS

Fernando Perez wrote:
 Hi,
 
 It's not specifically related to Rails, but how do you arrange your CSS
 files?
 
 I used to dump everything in a gigantic screen.css file. Then I noticed
 that some rules only appeared in a few pages.
 
 Therefore I am considering having a layout.css for all pages and roughly
 1 css file per controller if I need specific things in it that are not
 found in layout.css.
 
 How do you organize that?

The latter way.  I also *highly* recommend using Sass: CSS alone is not 
powerful enough to fully separate content from presentation in a 
maintainable way -- Sass' higher-level abstractions are necessary here.

Best,
--
Marnen Laibow-Koser
http://www.marnen.org
mar...@marnen.org

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[Rails] Re: Re: Languages

Pale Horse wrote:
 Marnen Laibow-Koser wrote:
 Pale Horse wrote:
 [...]
 How effective and accurate are the I18N translation solutions? More-so
 than members of the foreign-speaking countries themselves that my client
 is in contact with?
 
 The Rails I18N modules are not translation solutions.  They're simply 
 modules for managing the translated text.  You still need a human 
 translator to generate that translated text.
 
 Best,
 --
 Marnen Laibow-koser
 http://www.marnen.org
 mar...@marnen.org
 
 Thank you. I'll investigate that now.

Actually, I think some of the Rails I18N stuff may have translations of 
common Rails boilerplate ({{model}} could not be saved because of the 
following errors), but for anything nonstandard, my point stands.

Best,
--
Marnen Laibow-Koser
http://www.marnen.org
mar...@marnen.org
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Re: [Rails] Re: Complex associations

2010-08-03 Thread Angel Robert Marquez


 Thank you for your response.  However, I am refactoring an existing
 application, and am trying to remove a bunch of pure SQL that was put
 in the code.  I believe the best way to do this is with a table
 association.

Why do you believe this?


  One of the big features I want to use out of this is
 retrieving the records in the proper order (I'd prefer not to sort
 with Ruby after the fact since that would force me to rewrite a bunch
 of code for the sorting of the report).

What is the proper order?



However, as this is an existing application (similar in setup to the
 example I gave), I cannot remove the model, as there is a table
 already associated with it, and the ids are being used.

Gotcha.


 Another option that would work is to use a 'joins' statement in my
 finder method so I can sort products based on Store attributes with
 something like this:
 FROM products
 LEFT JOIN departments on departements.id = products.department_id
 LEFT JOIN stores on stores.id = products.store_id OR stores.id =
 departments.store_id

why not SELECT view INNER JOIN associations WHERE = AND  = OR =.


 However, I am also using an :include option for several associations,
 and it seems that joins and include are mutually exclusive.  I'd
 really had to have to write out all of the associations.

I'll respond after I unravel what that means in my head.


 Any thoughts?

Those are my thoughts. I'm newish and find attempting to help in turn helps
me to learn. I hope you don't mind.


 Thanks!

You are welcome

 Trish

Angel


 On Aug 3, 2:11 am, Angel Robert Marquez angel.marq...@gmail.com
 wrote:
  class Store  ActiveRecord::Base
  has_many: store_type
  has_many: product_type, :through = department
 
  class Department  ActiveRecord::Base
  belongs_to: store
  belongs_to: product
 
  class Product  ActiveRecord::Base
has_many :departments
has_many :stores, :through = department
  end
 
  I think you need to remove the StoreType as a model...
 
 
 
  On Mon, Aug 2, 2010 at 11:05 AM, Trish trish.b...@gmail.com wrote:
   I am working on a project that has some complex table associations,
   and I am having a hard time declaring this association in a Model, and
   fear it can't be done.
 
   Here is an example of my issue...
 
   class StoreType  ActiveRecord::Base; end
   class Store  ActiveRecord::Base; end
   class Department  ActiveRecord::Base; end
   class Product  ActiveRecord::Base; end
 
   A StoreType has many stores and a Store has many Department.  However,
   both Store and Department have many products.  An product has the
   columns store_id and department_id which are mutually exclusive.  This
   is because a Product may belong directly to a Department, or it may be
   a 'global' product that belongs directly to the Store.
 
   What I'd like to do is have an association in the StoreType model that
   would give me all products for that StoreType.
 
   Currently, I have set up the following associtations on StoreType:
 
   class StoreType  ActiveRecord::Base
has_many :stores
has_many :departments, :through=:stores
 
   has_many :store_products, :through=:stores, :source=:products, :uniq
   = true
 
   has_many :department_products, :through=:departments,
 :source=:products,
   :uniq
   = true
   end
 
   This is using the Nested Has Many Through plugin to achieve the nested
   association (department_products).
 
   However, I'd like to have a generic 'products' association for
   StoreType that pulls a combination of the two product associations.
   I'd like to do this through an association instead of just through a
   function because I want to gain the dynamic methods created by
   has_many, specifically the collection.find(...) method so I can add
   more conditions to the collection.
 
   Is there a way to do this?
 
   Thanks in advance!
   Trish
 
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[Rails] Re: how to configure rails to use mysql by default (not sqlite3)

Olivier Db wrote:
 Hello,
 
 I am running Mac OS X 10.6.4 and have installed the following:
 
 ruby-1.9.1-p429 (64 bits, I believe!)
 RubyGems 1.3.7
 Rails 2.3.8
 MySQL 5.1.49 (64 bits)
 
 I am now getting an error because sqlite3 is not installed

SQLite comes with Mac OS.  The OS uses it internally.  No installation 
should be necessary, though you will probably have to install the 
sqlite3 gem.

 and I've read
 that there are issues installing ruby-sqlite3!

Not to my knowledge.

 SO I'm not sure if I
 should (or how to) install sqlite3.
 
 A developer suggested I use sqlite3 for testing and mysql for
 production, but wouldn't that mean having to convert my sqlite database
 to mysql for production?

No.  You have separate databases.  You've also got migrations.  No 
conversion is required.

 I might just as well always use mysql, no?

It depends.  On the one hand, it's extremely convenient and fast to use 
SQLite for testing and development.  On the other hand, you may find 
that you would rather have the same DB in development as production. 
I've done it both ways.  Both are fine.

(And I would say you might as well *never* use MySQL.  PostgreSQL is a 
much, much better DB.)

 
 Which leads me to the following question: how do I configure rails to
 always default to using mysql database instead of sqlite3?

-d mysql

 
 Thank you for your help.
 
 Best regards,
 
 Olivier

Best,
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[Rails] Re: Complex associations

2010-08-03 Thread Trish

See below...

Thanks!
Trish

On Aug 3, 11:00 am, Angel Robert Marquez angel.marq...@gmail.com
wrote:
  Thank you for your response.  However, I am refactoring an existing
  application, and am trying to remove a bunch of pure SQL that was put
  in the code.  I believe the best way to do this is with a table
  association.

 Why do you believe this?

This seems to be the best way to retrieve the needed data in the
proper order.  My closest attempt gets me two sets of data (for
department_products and store_products), and then I do a find on
their ids, allowing me to do the :order statement as needed.


   One of the big features I want to use out of this is
  retrieving the records in the proper order (I'd prefer not to sort
  with Ruby after the fact since that would force me to rewrite a bunch
  of code for the sorting of the report).

 What is the proper order?
This report needs to have (and currently has) multi-column sort
capabilities




 However, as this is an existing application (similar in setup to the example 
 I gave), I cannot remove the model, as there is a table
  already associated with it, and the ids are being used.

 Gotcha.



  Another option that would work is to use a 'joins' statement in my
  finder method so I can sort products based on Store attributes with
  something like this:
  FROM products
  LEFT JOIN departments on departements.id = products.department_id
  LEFT JOIN stores on stores.id = products.store_id OR stores.id =
  departments.store_id

 why not SELECT view INNER JOIN associations WHERE = AND  = OR =.
forgive my SQL... that is just an attempt to explain what I need.  SQL
is definitely not my strong suit.



  However, I am also using an :include option for several associations,
  and it seems that joins and include are mutually exclusive.  I'd
  really had to have to write out all of the associations.

 I'll respond after I unravel what that means in my head.

I suppose what this all comes down to, is a way to achieve the
necessary SQL through ActiveRecord so I can properly determine the
table.column_names to sort on.  As I mentioned earlier, I am able to
get the needed product items with my doing a find on the sum of ids...
so I guess this is less of an association issue, and more of a joins
issue ActiveRecord.find so I can get my proper sorting order..




  Any thoughts?

 Those are my thoughts. I'm newish and find attempting to help in turn helps
 me to learn. I hope you don't mind.

Any advise helps!  I appreciate your taking the time to think about
this.



  Thanks!

 You are welcome

  Trish

 Angel





  On Aug 3, 2:11 am, Angel Robert Marquez angel.marq...@gmail.com
  wrote:
   class Store  ActiveRecord::Base
   has_many: store_type
   has_many: product_type, :through = department

   class Department  ActiveRecord::Base
   belongs_to: store
   belongs_to: product

   class Product  ActiveRecord::Base
     has_many :departments
     has_many :stores, :through = department
   end

   I think you need to remove the StoreType as a model...

   On Mon, Aug 2, 2010 at 11:05 AM, Trish trish.b...@gmail.com wrote:
I am working on a project that has some complex table associations,
and I am having a hard time declaring this association in a Model, and
fear it can't be done.

Here is an example of my issue...

class StoreType  ActiveRecord::Base; end
class Store  ActiveRecord::Base; end
class Department  ActiveRecord::Base; end
class Product  ActiveRecord::Base; end

A StoreType has many stores and a Store has many Department.  However,
both Store and Department have many products.  An product has the
columns store_id and department_id which are mutually exclusive.  This
is because a Product may belong directly to a Department, or it may be
a 'global' product that belongs directly to the Store.

What I'd like to do is have an association in the StoreType model that
would give me all products for that StoreType.

Currently, I have set up the following associtations on StoreType:

class StoreType  ActiveRecord::Base
 has_many :stores
 has_many :departments, :through=:stores

has_many :store_products, :through=:stores, :source=:products, :uniq
= true

has_many :department_products, :through=:departments,
  :source=:products,
:uniq
= true
end

This is using the Nested Has Many Through plugin to achieve the nested
association (department_products).

However, I'd like to have a generic 'products' association for
StoreType that pulls a combination of the two product associations.
I'd like to do this through an association instead of just through a
function because I want to gain the dynamic methods created by
has_many, specifically the collection.find(...) method so I can add
more conditions to the collection.

Is there a way to do this?

Thanks in advance!
Trish

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[Rails] Re: How to CSS

2010-08-03 Thread Fernando Perez

 How do you organize that?
 
 The latter way. 

Ok.


 I also *highly* recommend using Sass: CSS alone is not 
 powerful enough to fully separate content from presentation in a 
 maintainable way -- Sass' higher-level abstractions are necessary here.

I find sass ugly, and I reviewed less, but in the end I stayed with 
pure css.
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[Rails] Re: simple redirect_to shows in log but doesn't redirect

2010-08-03 Thread Neil Bye

Joshua Mckinney wrote:
 Have you tried naming the file create.js.rjs?

Good idea but no difference.

The latest configuration of the create function is:

 def create
@story = Story.find(params[:story_id])
@story.comments.create params[:comment]
request.format = :js
 end

Gives a page with the address http://localhost:3000/stories/2/comments
it should be http://localhost:3000/stories/2/ and it says this.

Template is missing

Missing template comments/create.erb in view path app/views

Even if I make create.html.erb or as it asks create.erb it makes no 
difference. Does that shed any light on the problem?

In peace Neil
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Re: [Rails] Re: How to CSS

2010-08-03 Thread Bob Nadler

On Tue, Aug 3, 2010 at 12:42 PM, Fernando Perez li...@ruby-forum.com wrote:
 How do you organize that?

 The latter way.

 Ok.

Also, take a look at
http://www.alistapart.com/articles/progressiveenhancementwithcss. The
article recommends ways for splitting up your CSS.


 I also *highly* recommend using Sass: CSS alone is not
 powerful enough to fully separate content from presentation in a
 maintainable way -- Sass' higher-level abstractions are necessary here.

 I find sass ugly, and I reviewed less, but in the end I stayed with
 pure css.
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[Rails] Re: How to CSS

Fernando Perez wrote:
 How do you organize that?
 
 The latter way. 
 
 Ok.
 
 
 I also *highly* recommend using Sass: CSS alone is not 
 powerful enough to fully separate content from presentation in a 
 maintainable way -- Sass' higher-level abstractions are necessary here.
 
 I find sass ugly, and I reviewed less, but in the end I stayed with 
 pure css.

That is a bad idea.  You should learn Sass well enough to be able to use 
it to clean up your markup.  If you're using plain CSS, you're working 
too hard.

I've noticed that you tend to disparage tools outside a fairly narrow 
comfort zone, even when those tools could materially help you.  May I 
suggest broadening your horizons a bit?

Best,
-- 
Marnen Laibow-Koser
http://www.marnen.org
mar...@marnen.org

Sent from my iPhone
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[Rails] rails 2.3.8 and html_safe

Hi,

Can somebody update me on the state of html_safe strings in rails 2.3.8?

I know rails 2.3.6 and 2.3.7 broke a lot of code because strings were
being escaped when they shouldn't have been and I thought this was all
fixed in 2.3.8.

I'm upgrading an app from 2.3.5 to 2.3.8 and there are many spots where
previous code was output correctly and now it expects html_safe method
calls to properly escape the strings.  Are those who don't want to use
the new escaping behaviour in the 2.3.x branch expected to stick with
2.3.5 from now on moving forward?

Thanks,
Andrew
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[Rails] Re: simple redirect_to shows in log but doesn't redirect

2010-08-03 Thread Neil Bye

Latest development. I've changed the ajax call stories/show.html.erb to


div id='aremark'
%= render :partial = 'comment' %
/div

h5label for=loginMake a comment:/label/h5
  % remote_form_for :comment, :update ='aremark', 
:url=story_comments_path(@story) do |form| %
   div id=body%= form.text_field :body %/div
   p%= submit_tag  'Comment' %/p

It still creates the comment in the database.

It correctly returns to http://localhost:3000/stories/2

It even updates the 'aremark' div

But it fills it with

Template is missing

Missing template comments/create.erb in view path app/views

Any ideas?


Excuse me while I bang my head on a wall.

In peace Neil
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[Rails] Re: [ANN] NullDB 0.0.1

2010-08-03 Thread Eric Schmitt

Marnen Laibow-Koser wrote:
 Avdi Grimm wrote:
 == What
 
 NullDB is a Rails database connection adapter that interprets common
 database operations as no-ops.  It is the Null Object pattern as
 applied to database adapters.
 [...]
 == Why
 
 NullDB is intended to assist in writing fast database-independant unit
 tests for ActiveRecord classes.  For why you would want to test your
 models without the database, see:
 http://www.dcmanges.com/blog/rails-unit-record-test-without-the-database.
 
 I'm not at all convinced that this is a good way of testing (and in my 
 experience, ThoughtWorks' software has lots of problems, which could say 
 something about their testing practices).  However, assuming for the 
 moment that it is good...
 [...]
 * It is *not* an in-memory database.  Finds will not work.  Neither
   will #reload, currently.
 
 So how is this of any use at all?  Normally, when I use tests with 
 database operations, I do so to confirm that I'm writing to the database 
 what I think I am.  (Sure, I could use RSpec's mocks to test that -- and 
 then I wouldn't need NullDB in the first place.)  By removing the 
 capability to save records, it seems to me that you've removed any 
 utility that this might have had.  Am I missing something?  How do *you* 
 find this puppy useful?
 
 Best,
 -- 
 Marnen Laibow-Koser
 http://www.marnen.org
 mar...@marnen.org
 
 Sent from my iPhone

Marnen,

I'm fairly new to unit testing and TDD, but I think I understand the 
concept of what they're talking about here. The point is that if you are 
writing to the database during unit tests, you're actually testing the 
database adapter and abstraction layer, in this case: ActiveRecord, and 
not the logic that you have written. ActiveRecord, has been tested 
extensively, it would be redundant to test it again. By removing the 
database from the testing, you can focus on testing your business 
logic... and you have the side benefit of it being quicker, which is 
essential for TDD to be a practical way to develop software. I think 
what you're describing is considered to be functional testing or 
integration test, not unit testing. Functional and integration testing 
is equally important, it just occurs at a different level.

This is one of the *rare* times when I think Ruby got it wrong when 
compared with other languages, most other more mature languages Java, 
C++, etc.. provide tools to avoid hitting the database during unit 
testing for just this reason. I think Rails, and Ruby in general is 
heading in this direction too. The next generation of ORM databases like 
DataMapper have this sort of thing built in. Hope this helps!

Cheers,
Eric

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[Rails] PDFKit Fork() Function Unimplemented Error - HELP!

2010-08-03 Thread Dylan Mccarthy

Hello All,

We're working on a project on a Windows machine that will use PDFKit to
convert an HTML page to a PDF. I have followed all the instructions at
GitHub (http://github.com/jdpace/PDFKit), for installing wkhtmltopdf and
PDFKit, then creating the config file in 'config/initializers/pdfkit.rb'
and then finally, setting up Middleware for Rails apps in
'config/environment.rb'. We have done all of the following and when we
run the server and append the '.pdf' extension, we receive a 500
Internal Server Error. Upon inspection of the console, we find a fork()
function unimplemented error. The console output is listed below:
---
/!\ FAILSAFE /!\  Tue Aug 03 08:28:19 -0700 2010
  Status: 500 Internal Server Error
  fork() function is unimplemented on this machine
C:/Ruby186/lib/ruby/gems/1.8/gems/pdfkit-0.4.3/lib/pdfkit/pdfkit.rb:60:in
`open'
C:/Ruby186/lib/ruby/gems/1.8/gems/pdfkit-0.4.3/lib/pdfkit/pdfkit.rb:60:in
`to_pdf'

C:/Ruby186/lib/ruby/gems/1.8/gems/pdfkit-0.4.3/lib/pdfkit/middleware.rb:23:in
`call'

C:/Ruby186/lib/ruby/gems/1.8/gems/actionpack-2.3.8/lib/action_controller/string_coercion.rb:25:in
`call'
C:/Ruby186/lib/ruby/gems/1.8/gems/rack-1.1.0/lib/rack/head.rb:9:in
`call'

C:/Ruby186/lib/ruby/gems/1.8/gems/rack-1.1.0/lib/rack/methodoverride.rb:24:in
`call'

C:/Ruby186/lib/ruby/gems/1.8/gems/actionpack-2.3.8/lib/action_controller/params_parser.rb:15:in
`call'

C:/Ruby186/lib/ruby/gems/1.8/gems/actionpack-2.3.8/lib/action_controller/session/cookie_store.rb:99:in
`call'

C:/Ruby186/lib/ruby/gems/1.8/gems/actionpack-2.3.8/lib/action_controller/failsafe.rb:26:in
`call'
C:/Ruby186/lib/ruby/gems/1.8/gems/rack-1.1.0/lib/rack/lock.rb:11:in
`call'
C:/Ruby186/lib/ruby/gems/1.8/gems/rack-1.1.0/lib/rack/lock.rb:11:in
`synchronize'
C:/Ruby186/lib/ruby/gems/1.8/gems/rack-1.1.0/lib/rack/lock.rb:11:in
`call'

C:/Ruby186/lib/ruby/gems/1.8/gems/actionpack-2.3.8/lib/action_controller/dispatcher.rb:114:in
`call'

C:/Ruby186/lib/ruby/gems/1.8/gems/actionpack-2.3.8/lib/action_controller/reloader.rb:34:in
`run'

C:/Ruby186/lib/ruby/gems/1.8/gems/actionpack-2.3.8/lib/action_controller/dispatcher.rb:108:in
`call'
C:/Ruby186/lib/ruby/gems/1.8/gems/rails-2.3.8/lib/rails/rack/static.rb:31:in
`call'
C:/Ruby186/lib/ruby/gems/1.8/gems/rack-1.1.0/lib/rack/urlmap.rb:47:in
`call'
C:/Ruby186/lib/ruby/gems/1.8/gems/rack-1.1.0/lib/rack/urlmap.rb:41:in
`each'
C:/Ruby186/lib/ruby/gems/1.8/gems/rack-1.1.0/lib/rack/urlmap.rb:41:in
`call'

C:/Ruby186/lib/ruby/gems/1.8/gems/rails-2.3.8/lib/rails/rack/log_tailer.rb:17:in
`call'

C:/Ruby186/lib/ruby/gems/1.8/gems/rack-1.1.0/lib/rack/content_length.rb:13:in
`call'
C:/Ruby186/lib/ruby/gems/1.8/gems/rack-1.1.0/lib/rack/chunked.rb:15:in
`call'

C:/Ruby186/lib/ruby/gems/1.8/gems/rack-1.1.0/lib/rack/handler/mongrel.rb:67:in
`process'

C:/Ruby186/lib/ruby/gems/1.8/gems/mongrel-1.1.5-x86-mingw32/lib/mongrel.rb:159:in
`process_client'

C:/Ruby186/lib/ruby/gems/1.8/gems/mongrel-1.1.5-x86-mingw32/lib/mongrel.rb:158:in
`each'

C:/Ruby186/lib/ruby/gems/1.8/gems/mongrel-1.1.5-x86-mingw32/lib/mongrel.rb:158:in
`process_client'

C:/Ruby186/lib/ruby/gems/1.8/gems/mongrel-1.1.5-x86-mingw32/lib/mongrel.rb:285:in
`run'

C:/Ruby186/lib/ruby/gems/1.8/gems/mongrel-1.1.5-x86-mingw32/lib/mongrel.rb:285:in
`initialize'

C:/Ruby186/lib/ruby/gems/1.8/gems/mongrel-1.1.5-x86-mingw32/lib/mongrel.rb:285:in
`new'

C:/Ruby186/lib/ruby/gems/1.8/gems/mongrel-1.1.5-x86-mingw32/lib/mongrel.rb:285:in
`run'

C:/Ruby186/lib/ruby/gems/1.8/gems/mongrel-1.1.5-x86-mingw32/lib/mongrel.rb:268:in
`initialize'

C:/Ruby186/lib/ruby/gems/1.8/gems/mongrel-1.1.5-x86-mingw32/lib/mongrel.rb:268:in
`new'

C:/Ruby186/lib/ruby/gems/1.8/gems/mongrel-1.1.5-x86-mingw32/lib/mongrel.rb:268:in
`run'

C:/Ruby186/lib/ruby/gems/1.8/gems/rack-1.1.0/lib/rack/handler/mongrel.rb:38:in
`run'
C:/Ruby186/lib/ruby/gems/1.8/gems/rails-2.3.8/lib/commands/server.rb:111
C:/Ruby186/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:31:in
`gem_original_require'
C:/Ruby186/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:31:in
`require'
./script/server:3
-e:2:in `load'
-e:2

If anyone could help us get around this problem to be able to convert an
HTML page to pdf, we would greatly appreciate it.

Thanks in advance,
-dwmcc
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[Rails] rendering multiline Javascript by using JSONP in rails

2010-08-03 Thread Lucas

Hello everybody,

In a controller I try to render a javascript google ad to print it
into some HTML using JSONP, like this

script type=text/javascript!--
google_ad_client = pub-23222424;
google_alternate_color = FF;
google_ad_width = 468;
google_ad_height = 60;
//--/script
script type=text/javascript
  src=http://pagead2.google.com/pgad/show_ads.js;
/script

So I do:

render :text var s_response = { content: 'script type=\text/
javascript\!--\\ngoogle_ad_client = \pub-23222424\;\
\ngoogle_alternate_color = \FF\;\\ngoogle_ad_width = 468;\
\ngoogle_ad_height = 60;\\n//--\\/script\\nscript type=\text/
javascript\\\n  src=\http://pagead2.google.com/pgad/show_ads.js\;\
\n\\/script', id: '2'};

But i get this error:

unterminated string literal

[Break on this error] var response = { content: 'script type=text/
javascript!--

= That seems like it is a multilines problem right ? But I don't know
how to resolve it.

Thanks,

Lucas

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[Rails] Re: [ANN] NullDB 0.0.1

2010-08-03 Thread Eric Schmitt

 I'm fairly new to unit testing and TDD, but I think I understand the 
 concept of what they're talking about here. The point is that if you are 
 writing to the database during unit tests, you're actually testing the 
 database adapter and abstraction layer, in this case: ActiveRecord, and 
 not the logic that you have written. ActiveRecord, has been tested 
 extensively, it would be redundant to test it again. By removing the 
 database from the testing, you can focus on testing your business 
 logic... and you have the side benefit of it being quicker, which is 
 essential for TDD to be a practical way to develop software. I think 
 what you're describing is considered to be functional testing or 
 integration test, not unit testing. Functional and integration testing 
 is equally important, it just occurs at a different level.
 
 This is one of the *rare* times when I think Ruby got it wrong when 
 compared with other languages, most other more mature languages Java, 
 C++, etc.. provide tools to avoid hitting the database during unit 
 testing for just this reason. I think Rails, and Ruby in general is 
 heading in this direction too. The next generation of ORM databases like 
 DataMapper have this sort of thing built in. Hope this helps!
 
 Cheers,
 Eric

Oh, and I almost forgot to mention that Factory_Girl does this as well.
Using Factory.build() you only write to memory and not the database.
Factory_Girl can also allow writing to the database for functional and
integration testing, so you get the best of both worlds. It's one of the
pieces in my testing suite.

-Eric
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[Rails] Re: [ANN] NullDB 0.0.1

Eric Schmitt wrote:

 
 Marnen,
 
 I'm fairly new to unit testing and TDD,

I've been doing test-first development as long as I've been doing Rails 
development, nearly 3 years.  (Whether that means that I too am new to 
unit testing is left as an exercise for the student.)

? but I think I understand the
 concept of what they're talking about here. The point is that if you are 
 writing to the database during unit tests, you're actually testing the 
 database adapter and abstraction layer, in this case: ActiveRecord, and 
 not the logic that you have written. 

That is commonly believed, but the situation is IMHO not that 
open-and-shut.  Read on.

 ActiveRecord, has been tested 
 extensively, it would be redundant to test it again. By removing the 
 database from the testing, you can focus on testing your business 
 logic... 

Not always.  Often, removing the DB from testing makes it *harder* to 
focus on testing the logic.

Some examples may be helpful here.  Of course, it's asinine for me to do

User.create! :name = 'John'
User.find_by_name('John').should_not be_nil

as that would indeed be testing ActiveRecord.  But consider

class Sandwich
  def make_blt
Ingredient.create(:name = 'bacon')
Ingredient.create(:name = 'lettuce')
Ingredient.create(:name = 'tomato')
  end
end

I think it is entirely reasonable to test this with

describe Sandwich
  describe 'make_blt'
it should create bacon, lettuce, and tomato do
  Sandwich.make_blt

  ['bacon', 'lettuce', 'tomato'].each do |name|
Ingredient.find_by_name(name).should_not be_nil
  end
end
  end
end

because this is not testing ActiveRecord; rather, it's testing that I 
made the proper *calls* to ActiveRecord.

To be sure, in this case, I could just as easily do 
Ingredient.should_receive(:create).with(:name = 'bacon'), but that's 
only possible because the method is so simple, and to my mind it's a 
little smelly anyway: since the method being tested should be treated as 
a black box, I'd rather verify the final state than chase all the method 
calls that got us there.  And the only way to verify the final state is 
to have something tracking that state -- like, oh, say, a DB.


 and you have the side benefit of it being quicker, which is 
 essential for TDD to be a practical way to develop software.

An in-memory DB has similar benefits while not discarding state.

 I think 
 what you're describing is considered to be functional testing or 
 integration test, not unit testing. 

The test I wrote above would certainly be considered a unit test.

[...]
 This is one of the *rare* times when I think Ruby got it wrong when 
 compared with other languages, most other more mature languages Java, 
 C++, etc.. provide tools to avoid hitting the database during unit 
 testing for just this reason.

This is a Rails and ActiveRecord issue, not a Ruby one.

 I think Rails, and Ruby in general is 
 heading in this direction too. The next generation of ORM databases like 
 DataMapper have this sort of thing built in.

DataMapper is an ORM, not an ORM database.  In what respect does 
DataMapper's testing differ here?  (I've never used DataMapper, though 
it certainly looks interesting.)

 Hope this helps!

Only by tending to confirm that some of the argument here is fallacious 
(unless Avdi has a better one).

 
 Cheers,
 Eric

Best,
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mar...@marnen.org
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[Rails] Re: rendering multiline Javascript by using JSONP in rails

Lucas wrote:
 Hello everybody,
 
 In a controller I try to render a javascript google ad to print it
 into some HTML using JSONP, like this
 
 script type=text/javascript!--
 google_ad_client = pub-23222424;
 google_alternate_color = FF;
 google_ad_width = 468;
 google_ad_height = 60;
 //--/script
 script type=text/javascript
   src=http://pagead2.google.com/pgad/show_ads.js;
 /script
 
 So I do:
 
 render :text var s_response = { content: 'script type=\text/
 javascript\!--\\ngoogle_ad_client = \pub-23222424\;\
 \ngoogle_alternate_color = \FF\;\\ngoogle_ad_width = 468;\
 \ngoogle_ad_height = 60;\\n//--\\/script\\nscript type=\text/
 javascript\\\n  src=\http://pagead2.google.com/pgad/show_ads.js\;\
 \n\\/script', id: '2'};
 
 But i get this error:
 
 unterminated string literal
 
 [Break on this error] var response = { content: 'script type=text/
 javascript!--
 
 = That seems like it is a multilines problem right ?

No.  The problem is that your double-quoted string contains double 
quotes!

 But I don't know
 how to resolve it.

There are quoting constructs that would do the trick.  But you have a 
bigger problem: you really shouldn't be doing this in the controller. 
Rendered JS, like rendered HTML, belongs in the view.

 
 Thanks,
 
 Lucas

Best,
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mar...@marnen.org
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[Rails] Prevent Helper Automatically Escaping String

I'm writing a helper to generate the display of a product and its
information as retrieved from the database. Several HTML tags are part
of this.

As I'm building the string I want included in the HTML, Rails is
automatically escaping the string - which prevents me from actually
using the string I build. gt;h2lt; is *NOT* the same as h2.

How can I prevent Rails from doing this?
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[Rails] Restfull routes, link_to, and additional paramters

2010-08-03 Thread Jonathan Steel

I am trying to do a link_to with multiple to create an object.
Everything works until ad the second parameter in. As soon as I add the
second parameter, it forgets to add any information about the first one.

link_to create, foos_path(@foo, :bar_id = @bar.id), :method = :post

What am I doing incorrect?
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Re: [Rails] Prevent Helper Automatically Escaping String

2010-08-03 Thread Philip Hallstrom

 I'm writing a helper to generate the display of a product and its
 information as retrieved from the database. Several HTML tags are part
 of this.
 
 As I'm building the string I want included in the HTML, Rails is
 automatically escaping the string - which prevents me from actually
 using the string I build. gt;h2lt; is *NOT* the same as h2.
 
 How can I prevent Rails from doing this?

def my_helper
  h2my unsafe string/h2.html_safe!
end

See http://weblog.rubyonrails.org/2009/10/12/what-s-new-in-edge-rails

-philip

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[Rails] Re: [ANN] NullDB 0.0.1

2010-08-03 Thread Eric Schmitt

Marnen,

You make some interesting points... I think I still have a ton to learn 
about unit testing and TDD best practices. I'm still just getting 
started. Thanks for the info!

Warmest Regards,
Eric
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[Rails] Re: rails 2.3.8 and html_safe

2010-08-03 Thread Owain

I just hit a similar problem where I was concatenating strings with
escapable characters within a formbuilder.  I googled about and there
seems to be a some logic being discussed that anything that is magic
security is going to be a nightmare.  My problems were quite isolated
(the great thing about form builders)

What was:

'a id=' + field_name.to_s + '-help href=# class=tooltip
title=' + help + ''

Turned into

'a id='.html_safe + field_name.to_s + '-help href=#
class=tooltip title='.html_safe + help + ''.html_safe

I am sure there are other ways but this seemed the easiest for me for
string concatenation.

O.

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[Rails] Re: Prevent Helper Automatically Escaping String

Philip Hallstrom wrote:

 def my_helper
   h2my unsafe string/h2.html_safe!
 end
 
 See http://weblog.rubyonrails.org/2009/10/12/what-s-new-in-edge-rails

I'm not running edge rails, I'm running Rails 2.3.8.

There is no html_safe! method defined, so this won't work.
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[Rails] Re: simple redirect_to shows in log but doesn't redirect

2010-08-03 Thread joshmc...@gmail.com

The 2 most direct causes I can think of that would produce that error
would be:

1. create.js.rjs is not in the correct director (.../app/views/
comments/create.js.rjs
2. create.js.rjs does not exist or bad file name


Try using:
 def create
@story = Story.find(params[:story_id])
@story.comments.create params[:comment]
request.format = :js
respond_to do |format|
  format.js
  end
end

Although respond _to blocks are not always necessary, it can't hurt to
try.

On Aug 3, 11:58 am, Neil Bye li...@ruby-forum.com wrote:
 Joshua Mckinney wrote:
  Have you tried naming the file create.js.rjs?

 Good idea but no difference.

 The latest configuration of the create function is:

  def create
     @story = Story.find(params[:story_id])
     @story.comments.create params[:comment]
     request.format = :js
  end

 Gives a page with the addresshttp://localhost:3000/stories/2/comments
 it should behttp://localhost:3000/stories/2/and it says this.

 Template is missing

 Missing template comments/create.erb in view path app/views

 Even if I make create.html.erb or as it asks create.erb it makes no
 difference. Does that shed any light on the problem?

 In peace Neil
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Re: [Rails] Re: Prevent Helper Automatically Escaping String

2010-08-03 Thread Philip Hallstrom

 def my_helper
  h2my unsafe string/h2.html_safe!
 end
 
 See http://weblog.rubyonrails.org/2009/10/12/what-s-new-in-edge-rails
 
 I'm not running edge rails, I'm running Rails 2.3.8.
 
 There is no html_safe! method defined, so this won't work.

Ah.  Then look at 
activesupport/lib/active_support/core_ext/string/output_safety.rb

-philip

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[Rails] Re: Prevent Helper Automatically Escaping String

Michael Satterwhite wrote:
 Philip Hallstrom wrote:
 
 def my_helper
   h2my unsafe string/h2.html_safe!
 end
 
 See http://weblog.rubyonrails.org/2009/10/12/what-s-new-in-edge-rails

Or you can use the raw method in the view I think:

%= raw my_helper %

Sort of like the opposite of the old h method.

 I'm not running edge rails, I'm running Rails 2.3.8.
 
 There is no html_safe! method defined, so this won't work.

If you're not running Rails 3, and did not install the plugin for Rails 
2.3.x that does the automatic escaping they you are escaping it 
somewhere, maybe not realizing it.

Are you sure you're not wrapping the result in an h method?
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[Rails] Re: rendering multiline Javascript by using JSONP in rails

2010-08-03 Thread Lucas


 No.  The problem is that your double-quoted string contains double
 quotes!

It contains double-quotes but they are escaped aren't they ?

 There are quoting constructs that would do the trick.  But you have a
 bigger problem: you really shouldn't be doing this in the controller.
 Rendered JS, like rendered HTML, belongs in the view.

In fact this code isn't print in my HTML but in the HTML of another
website, thiat is why it is in a controller and not a view

Thanks,

Lucas

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[Rails] Re: Re: Prevent Helper Automatically Escaping String

Philip Hallstrom wrote:

 Ah.  Then look at 
 activesupport/lib/active_support/core_ext/string/output_safety.rb

OK, I'm looking at it. I must be dense, though - or I've got a BAD case 
of tunnel vision.

How do I STOP these from changing the string? I'm sure it's obvious ... 
but I'm not seeing it.

BTW: Thanks for pointing me at this.

---Michael

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[Rails] Re: [ANN] NullDB 0.0.1

2010-08-03 Thread Avdi Grimm

1. Why are we suddenly discussing a two year old post here? Clue me in.

2. Myron Marsten is now the maintainer of NullDB. See 
http://github.com/nulldb/nulldb

3. I'm not really interested in rehashing the arguments for NullDB. 
Enough teams are happily using it that I had to transfer maintainership 
over to someone else so that I could focus on other projects. I suggest 
you go on the RSpec-User's mailing list and ask if someone wants to 
explain why they use it.

But briefly, I'll say this: if you are including the DB, you aren't Unit 
Testing. Period. Your tests might be *useful* and *important*, but they 
aren't Unit Tests. A lot of Rails practices, while overall encouraging 
more TDD, have muddied the waters WRT to what is a Unit Test. A Unit 
test isolates a *single* object or method from *all* of its 
collaborators, and tests the inputs of that object or method in a 
vacuum. If it doesn't isolate, it's not a Unit Test.

Which, again, is not to say it's a bad test. These days I drive my app 
development almost exclusively from high-level full-stack Cucumber 
acceptance tests, and only drop down to the Unit level when there is 
some particularly interesting/tricky logic to be described. And 
sometimes I write functional level tests that include the DB but not the 
UI level. But I don't call them unit tests and I keep them separate from 
my unit tests. If you are interested in this kind of Unit Test 
discipline - which, when followed, tends to make for smaller, 
tightly-cohesive objects - NullDB may be for you. Especially because it 
enables you to test (for instance) logic in after_save hooks which would 
otherwise force the DB to get involved.

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[Rails] Re: rails 2.3.8 and html_safe

Andrew Kaspick wrote:
 I'm upgrading an app from 2.3.5 to 2.3.8 and there are many spots where
 previous code was output correctly and now it expects html_safe method
 calls to properly escape the strings.  Are those who don't want to use
 the new escaping behaviour in the 2.3.x branch expected to stick with
 2.3.5 from now on moving forward?

I haven't yet done the conversion of my 2.3.5 app to 2.3.8, will 
hopefully do so soon. I intend to do this as a first step in preparing 
it for Rails 3. However, as I understand it nothing should change in the 
escaping unless you install the rails_xss.

In fact that was the problem with 2.3.6  2.3.7. Version 2.3.6 
introduced a problem discovered by the HAML guys, and 2.3.7 was a hasty 
fix for that, which broken stuff for everyone else. Version 2.3.8 was 
supposed to get things back to normal.
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[Rails] Re: Prevent Helper Automatically Escaping String

Robert Walker wrote:
 Michael Satterwhite wrote:
 Philip Hallstrom wrote:
 
 def my_helper
   h2my unsafe string/h2.html_safe!
 end
 
 See http://weblog.rubyonrails.org/2009/10/12/what-s-new-in-edge-rails
 
 Or you can use the raw method in the view I think:

THANK YOU! THANK YOU! THANK YOU!
This works.

 If you're not running Rails 3, and did not install the plugin for Rails 
 2.3.x that does the automatic escaping they you are escaping it 
 somewhere, maybe not realizing it.

I don't know of a plugin for that installed ... and I do the installing 
on this system. The ' h xxx was a good idea, but I wasn't doing it.
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[Rails] Re: Re: Prevent Helper Automatically Escaping String

Michael Satterwhite wrote:
 Philip Hallstrom wrote:
 
 Ah.  Then look at 
 activesupport/lib/active_support/core_ext/string/output_safety.rb
 
 OK, I'm looking at it. I must be dense, though - or I've got a BAD case 
 of tunnel vision.
 
 How do I STOP these from changing the string? I'm sure it's obvious ... 
 but I'm not seeing it.
 
 BTW: Thanks for pointing me at this.
 
 ---Michael

some_string = scriptalert(Gotcha!)/script

%= h some_string % or %= html_escape some_string %
= scriptalert(Gotcha!)/script

%= some_string %
= [[ javascript alert dialog = Gotcha! ]]
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[Rails] Re: rails 2.3.8 and html_safe

Robert Walker wrote:
 Andrew Kaspick wrote:
 I'm upgrading an app from 2.3.5 to 2.3.8 and there are many spots where
 previous code was output correctly and now it expects html_safe method
 calls to properly escape the strings.  Are those who don't want to use
 the new escaping behaviour in the 2.3.x branch expected to stick with
 2.3.5 from now on moving forward?
 
 I haven't yet done the conversion of my 2.3.5 app to 2.3.8, will 
 hopefully do so soon. I intend to do this as a first step in preparing 
 it for Rails 3. However, as I understand it nothing should change in the 
 escaping unless you install the rails_xss.
 
 In fact that was the problem with 2.3.6  2.3.7. Version 2.3.6 
 introduced a problem discovered by the HAML guys, and 2.3.7 was a hasty 
 fix for that, which broken stuff for everyone else. Version 2.3.8 was 
 supposed to get things back to normal.

Exactly.  I'm not using the rails_xss plugin, but the escaping rules are 
not as they were in 2.3.5.  String literals were safe in 2.3.5, but 
aren't in 2.3.8... a minor difference with huge implications.

I was looking at hacking the rails code to fix this for my local app, 
but wasn't sure why this would even still be a problem for 2.3.8 when 
this release was supposed to fix the fiasco that was 2.3.6 and 2.3.7.
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[Rails] Re: segmentation fault from mysql_adapter.rb

2010-08-03 Thread Patrick Aron

Divya Mohan wrote:
 Not yet solved. :(


I had a simular problem (i am also newbie)
for me it was solved by adding host: localhost in the 
config/database.yml file

Hope it can help some others to..

grtz,
patrick
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[Rails] Strange error message when rendering the scaffold form

2010-08-03 Thread rodrigo3n

Hello everyone, I am developing my application and I created a
scaffold called listas, but when I acess /listas/new I get this error
message:

NoMethodError in Listas#new

Showing /home/rodrigo3n/code/listeiroo/app/views/listas/_form.html.erb
where line #15 raised:

undefined method `deep_symbolize_keys' for nil:NilClass
Extracted source (around line #15):

12:   % end %
13:
14:   div class=field
15: %= f.label :nome %br /
16: %= f.text_field :nome %
17:   /div
18:   div class=field
Trace of template inclusion: app/views/listas/new.html.erb

I am using Rails 3RC and Ruby 1.9.2-rc2. This error is very strange to
me because I did just create the scaffold via % rails g scaffold and
then this error appeared. Do you know why?


Thanks,
Rodrigo Alves Vieira

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[Rails] Re: Re: Prevent Helper Automatically Escaping String

Robert Walker wrote:
 some_string = scriptalert(Gotcha!)/script

Ignore my still syntax error above with the nested double quotes. Single 
quote the string in the JS part or fix however you like.

 %= h some_string % or %= html_escape some_string %
 = scriptalert(Gotcha!)/script
 
 %= some_string %
 = [[ javascript alert dialog = Gotcha! ]]

Well, this is quite interesting. The above actually DID NOT work under 
Rails 2.3.8 for me. Same code escaped properly, and as expected, running 
under Rails 2.3.5.

In my test the JS dialog was display whether h was used or not. Not 
good... Maybe on second though I'll skip Rails 2.3.8 altogether and go 
straight to Rails 3.0.
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[Rails] Re: [ANN] NullDB 0.0.1

Avdi Grimm wrote:
 1. Why are we suddenly discussing a two year old post here? Clue me in.

My apologies!  It appeared at the top of my list feed and I neglected to 
check the date.  I'm not sure why it appeared at the top of my feed.

[...]
 But briefly, I'll say this: if you are including the DB, you aren't Unit 
 Testing. Period. Your tests might be *useful* and *important*, but they 
 aren't Unit Tests. A lot of Rails practices, while overall encouraging 
 more TDD, have muddied the waters WRT to what is a Unit Test. 

Yeah, I'm aware of that.

 A Unit 
 test isolates a *single* object or method from *all* of its 
 collaborators, and tests the inputs of that object or method in a 
 vacuum. If it doesn't isolate, it's not a Unit Test.

And there's an argument to be made that since the AR framework is part 
of an AR class, it must be respected -- and hit *some* state-preserving 
DB-like thing -- to properly unit test an AR class.

 
 Which, again, is not to say it's a bad test. These days I drive my app 
 development almost exclusively from high-level full-stack Cucumber 
 acceptance tests, and only drop down to the Unit level when there is 
 some particularly interesting/tricky logic to be described.

I do similarly.

 And 
 sometimes I write functional level tests that include the DB but not the 
 UI level. But I don't call them unit tests and I keep them separate from 
 my unit tests. If you are interested in this kind of Unit Test 
 discipline - which, when followed, tends to make for smaller, 
 tightly-cohesive objects - NullDB may be for you.

Got some sample code in this style?  I'd like to look at it, even though 
I think (a priori) that it is a recklessly dangerous way to test AR 
classes.  I just might learn something. :)

 Especially because it 
 enables you to test (for instance) logic in after_save hooks which would 
 otherwise force the DB to get involved.

I *want* the DB to get involved if I'm testing the DB lifecycle of my 
objects.

 
 --
 Avdi

Best,
--
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http://www.marnen.org
mar...@marnen.org
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[Rails] Re: rails 2.3.8 and html_safe

Andrew Kaspick wrote:
 Exactly.  I'm not using the rails_xss plugin, but the escaping rules are 
 not as they were in 2.3.5.  String literals were safe in 2.3.5, but 
 aren't in 2.3.8... a minor difference with huge implications.

I created a quick-n-dirty test app. See the result here:

http://www.ruby-forum.com/topic/214314#new
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[Rails] Re: rendering multiline Javascript by using JSONP in rails

Lucas wrote:
 No. �The problem is that your double-quoted string contains double
 quotes!
 
 It contains double-quotes but they are escaped aren't they ?

Whoops!  You're right.  I somehow overlooked the backslashes.

 
 There are quoting constructs that would do the trick. �But you have a
 bigger problem: you really shouldn't be doing this in the controller.
 Rendered JS, like rendered HTML, belongs in the view.
 
 In fact this code isn't print in my HTML but in the HTML of another
 website, thiat is why it is in a controller and not a view

Doesn't matter.  If it goes to the user's browser, it should generally 
be in a view.

 
 Thanks,
 
 Lucas

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mar...@marnen.org
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[Rails] Re: SystemExit: exit

Pale Horse wrote:
 ActionView::TemplateError (SystemExit: exit: SELECT * FROM
 product_stocklevels WHERE (product_stocklevels.product_id = 831 AND
 (size = 'W44 L 32' AND stock  0))  LIMIT 1)
 
 Before I paste more code, has anyone come across this before?

Maybe you need to paste more code. Only think we can tell from this is 
that you have a TemplateError in your view. Most likely a syntax error 
somewhere.
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[Rails] Re: rails 2.3.8 and html_safe

Robert Walker wrote:
 Andrew Kaspick wrote:
 Exactly.  I'm not using the rails_xss plugin, but the escaping rules are 
 not as they were in 2.3.5.  String literals were safe in 2.3.5, but 
 aren't in 2.3.8... a minor difference with huge implications.
 
 I created a quick-n-dirty test app. See the result here:
 
 http://www.ruby-forum.com/topic/214314#new

2.3.8 should not require the use of raw to do what worked out of the 
box in 2.3.5 and every release before that if rails_xss is not 
installed.

2.3.8  .html_safe?
= false

That result right there is why raw would be required now in 2.3.8 and 
not in 2.3.5.  String literals in 2.3.8 should not be false... in rails 
3 though that is correct and the expected result.
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[Rails] Re: [ANN] NullDB 0.0.1

2010-08-03 Thread Avdi Grimm

Marnen Laibow-Koser wrote:
 And there's an argument to be made that since the AR framework is part 
 of an AR class, it must be respected -- and hit *some* state-preserving 
 DB-like thing -- to properly unit test an AR class.

This is the kind of muddling of concepts that I think Rails encourages. 
The idea that Model == Database Thingy. At every opportunity I 
encourage developers to start their apps with bare, pure Ruby models and 
only add  ActiveRecord::Base in a later iteration. This practice 
helps to start thinking of your objects purely in terms of how they 
model your domain - which is how OO is supposed to work. After you spend 
some time looking at the models strictly in terms of their capabilities 
and responsibilities, then you add in persistence. Usually this means 
that you add a collaborator, which is some kind of OO/RDB mapping 
system. But it's still just another collaborator, with neat, clean 
division of responsibilities.

Of course, AR makes it harder to think of it as a collaborator because 
you have to inherit from it and it adds all sorts of methods to self and 
imposes arbitrary rules like no initializers. But if you are careful 
you can still think of it as a (rather pushy) collaborator and structure 
your tests accordingly - separating the tests of persistence from the 
tests of logic.

I'll add a post about the how and the why and the benefits of this kind 
of strict separation to my queue on Virtuous Code.

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[Rails] Re: InvalidToken for a Flash upload

2010-08-03 Thread Lily ^_^

Lily ^_^ wrote:
 Hi,
 
 I am developping a small Flash app to upload multiple files with a
 progress bar in a Rails site.
 
 Rails handles the server side. I have a controller that displays the
 view containing the flash, and it also provides a security token to the
 flash. The Flash gets it and send it back to the server in the HTTP
 request that contains the file to upload.
 
 Big surprise : it works perfectly in Internet Explorer... but not in
 Firefox nor in Opera. :S
 
 For Firefox and Opera, I get a
 ActionController::InvalidAuthenticityToken in the console.
 
 I display the token in text in the console, in the view html and in the
 flash, and the token doesn't seem to be altered (though I had to
 CGI.escape the token to get it right in Flash, and escape it again in
 Flash to send it back, just because of the + that the token can
 contains).
 
 This is what the console shows for Firefox :
 
 Token from controller = ayZ/bR7r2W3qg61NIspeOsU0N/VBqHqjWamkRtQG+s4=
   ←[4;36;1mSQL (0.0ms)←[0m   ←[0;1mSET SQL_AUTO_IS_NULL=0←[0m
 
 Processing UploadController#form (for 127.0.0.1 at 2010-08-01 13:12:25)
 [GET]
 Rendering upload/form
 Completed in 11ms (View: 9, DB: 0) | 200 OK [http://localhost/]
   ←[4;35;1mSQL (0.0ms)←[0m   ←[0mSET SQL_AUTO_IS_NULL=0←[0m
 
 
 Processing UploadController#index (for 127.0.0.1 at 2010-08-01 13:12:29)
 [POST]
   Parameters: {Filename=Screenshot-14.jpg,
 authenticity_token=ayZ/bR7r2
 W3qg61NIspeOsU0N/VBqHqjWamkRtQG+s4=, Upload=Submit Query,
 Filedata=#File:C:/Users/Lily/AppData/Local/Temp/RackMultipart.4856.0}
 
 ActionController::InvalidAuthenticityToken
 (ActionController::InvalidAuthenticit
 yToken):
 
 And now for Internet Explorer :
 
 Token from controller = i1irXTa0JqlbBNTlfcRwFYdQ24L8yhTBQFWESSrSEZg=
 g==]
   ←[4;35;1mSQL (0.0ms)←[0m   ←[0mSET SQL_AUTO_IS_NULL=0←[0m
 
 
 Processing UploadController#form (for 127.0.0.1 at 2010-08-01 13:15:02)
 [GET]
 Rendering upload/form
 Completed in 4ms (View: 2, DB: 0) | 200 OK [http://localhost/]
 ost/]
   ←[4;36;1mSQL (0.0ms)←[0m   ←[0;1mSET SQL_AUTO_IS_NULL=0←[0m
 
 
 Processing UploadController#index (for 127.0.0.1 at 2010-08-01 13:15:19)
 [POST]
   Parameters: {Filename=MobilePhone_Icon.jpg,
 authenticity_token=i1irXT
 a0JqlbBNTlfcRwFYdQ24L8yhTBQFWESSrSEZg=, Upload=Submit Query,
 Filedata=#File:C:/Users/Lily/AppData/Local/Temp/RackMultipart.4
 856.2}
 Completed in 8ms (View: 1, DB: 0) | 200 OK
 [http://localhost/upload?authenticity
 _token=i1irXTa0JqlbBNTlfcRwFYdQ24L8yhTBQFWESSrSEZg=]
 
 
 Could someone help me about this ? I searched quite a while on the net
 for an explaination; I found some people fix for Swfupload and
 Uploadify/Paperclip but couldn't get a solution out of it.
 
 (I'm using Rails 2.3.5 and Ruby 1.8.6 on this project, the Flash
 application is in ActionScript 3 compiled for the player 10)

Still searching for a solution, if anyone could help. I really searched 
the web and found some tips but I still couldn't find out a solution. 
The upload stills work with IE and not with other browser. I read 
somewhere that it could be a problem of session id and tried this fix 
that supposed to override the middleware. But I don't think I understand 
what my Flash should eventually send to work...

require 'rack/utils'

class FlashSessionCookieMiddleware
  def initialize(app, session_key = '_session_id')
@app = app
@session_key = session_key
  end

  def call(env)
if env['HTTP_USER_AGENT'] =~ /^(Adobe|Shockwave) Flash/
  puts * yeaaahh I'm in the condition !
  puts * Session key is :  + @session_key.to_s +  and @app : 
 + @app.to_s
  params = ::Rack::Utils.parse_query(env['QUERY_STRING'])
  env['HTTP_COOKIE'] = [ @session_key, params['session_key'] 
].join('=').freeze unless params['session_key'].nil?
end
@app.call(env)
  end
end

By the way, this fix doesn't change that IE works anyway, and not FF nor 
Opera...


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[Rails] Re: [ANN] NullDB 0.0.1

Avdi Grimm wrote:
 Marnen Laibow-Koser wrote:
 And there's an argument to be made that since the AR framework is part 
 of an AR class, it must be respected -- and hit *some* state-preserving 
 DB-like thing -- to properly unit test an AR class.
 
 This is the kind of muddling of concepts that I think Rails encourages. 
 The idea that Model == Database Thingy.

That's not an idea that I have.  I used to do MVC without an ORM (and 
indeed, without official objects), and I'm quite used to writing 
non-AR models in Rails.

 At every opportunity I 
 encourage developers to start their apps with bare, pure Ruby models and 
 only add  ActiveRecord::Base in a later iteration.

That seems like more trouble than it's worth with Rails, but I'll think 
about how I'd try that.

 This practice 
 helps to start thinking of your objects purely in terms of how they 
 model your domain - which is how OO is supposed to work.

No argument there.

[...]
 Of course, AR makes it harder to think of it as a collaborator because 
 you have to inherit from it and it adds all sorts of methods to self and 
 imposes arbitrary rules like no initializers. But if you are careful 
 you can still think of it as a (rather pushy) collaborator and structure 
 your tests accordingly - separating the tests of persistence from the 
 tests of logic.

Again, I do that anyway.  But if I'm testing features that touch the 
persistence layer, then I want an actual persistence layer to talk to, 
not just a black hole.  And the way Rails structures its objects, I 
think that's still a unit test.

If Rails worked a bit differently and used a separate persistence 
library instead of an ORM, then I'd agree with you on the appropriate 
way to test AR objects.  But it doesn't, so I think I don't.


 
 I'll add a post about the how and the why and the benefits of this kind 
 of strict separation to my queue on Virtuous Code.

I will be interested to read that.  At the moment, this separation just 
seems like fighting Rails to no advantage and some potential harm.

 
 --
 Avdi

Best,
--
Marnen Laibow-Koser
http://www.marnen.org
mar...@marnen.org
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[Rails] Re: Strange error message when rendering the scaffold form

2010-08-03 Thread Jeff

On Aug 3, 2:14 pm, rodrigo3n rodrig...@gmail.com wrote:
 Hello everyone, I am developing my application and I created a
 scaffold called listas, but when I acess /listas/new I get this error
 message:

 NoMethodError in Listas#new

 Showing /home/rodrigo3n/code/listeiroo/app/views/listas/_form.html.erb
 where line #15 raised:

 undefined method `deep_symbolize_keys' for nil:NilClass
 Extracted source (around line #15):

 12:   % end %
 13:
 14:   div class=field
 15:     %= f.label :nome %br /
 16:     %= f.text_field :nome %
 17:   /div
 18:   div class=field
 Trace of template inclusion: app/views/listas/new.html.erb

 I am using Rails 3RC and Ruby 1.9.2-rc2. This error is very strange to
 me because I did just create the scaffold via % rails g scaffold and
 then this error appeared. Do you know why?

Did you migrate the database?

Jeff
purpleworkshops.com

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Re: [Rails] Returning last value

2010-08-03 Thread clanlaw

On 3 August 2010 14:17, Bla ... li...@ruby-forum.com wrote:
 Hi.

 I have the following controller of the update action:

 [code]
 def update
   �...@projeto = Projeto.find(params[:id])

    if (@projeto.update_attributes(params[:projeto]))

    ## Mesmo raciocínio utilizado no create.
   �...@permissaoa = Permissao.find(:first, :conditions = [usuario_id =
 ?, @projeto.responsavel.to_i])
   �...@permissaoavancado1 = Permissao.find(:first, :conditions =
 [projeto_id = ? and usuario_id = ?, 0, @projeto.responsavel.to_i])
    if @permissaoAvancado1.nil?
    ## Caso tenham excluido os usuários responsáveis, as permissões
 seriam nulas. Dai ele verifica se vai alterar ou criar uma permissão
    if @permissaoA.nil?
   �...@permissaoav = Permissao.new(params[:permissao])
   �...@permissaoav.perfil = Avançado
   �...@permissaoav.usuario = Usuario.find(:first, :conditions = [id =
 ?, @projeto.responsavel.to_i])
   �...@permissaoav.save(params[:permissao])
    end
    end

    ## O mesmo que avançado
   �...@permissaoi = Permissao.find(:first, :conditions = [projeto_id = ?
 and perfil = ? and usuario_id = ?, @projeto.id, Intermediário,
 @projeto.responsavel_td.to_i])
   �...@permissoesb = Permissao.all(:conditions = [projeto_id = ? and
 usuario_id = ? and perfil = ?, @projeto.id,
 @projeto.responsavel_td.to_i, Básico])
   �...@permissaoavancado2 = Permissao.find(:first, :conditions =
 [projeto_id = ? and usuario_id = ?, 0, @projeto.responsavel_td.to_i])
    if @permissaoAvancado2.nil?
    if @permissaoI.nil?
     �...@permissaoin = Permissao.new(params[:permissao])
 #    else
 #     �...@permissaoin = @permissaoI
 #    end
   �...@permissaoin.usuario = Usuario.find(:first, :conditions = [id =
 ?, @projeto.responsavel_td.to_i])
   �...@permissaoin.projeto = Projeto.find(:first, :conditions = [id =
 ?, @projeto.id])
   �...@permissaoin.perfil = Intermediário
 #    if !...@permissaoi.nil?
 #   �...@permissaoin.update_attributes(params[:permissao])
 #    else
   �...@permissaoin.save(params[:permissao])
    if !...@permissoesb.empty?
      for perm in @permissoesB
        perm.destroy
      end
    end
    end
    end

   �...@permissaob = Permissao.find(:first, :conditions = [projeto_id = ?
 and perfil = ? and usuario_id = ?, @projeto.id, Básico,
 @projeto.coordenador.to_i])
   �...@permissaoavancado3 = Permissao.all(:conditions = [projeto_id = ?
 and usuario_id = ?, 0, @projeto.coordenador.to_i])
   �...@permissoesi = Permissao.all(:conditions = [projeto_id = ? AND
 usuario_id = ? AND perfil = ?, @projeto.id, @projeto.coordenador.to_i,
 Intermediário])
    ## Se ele já tiver a permissao de avançado, não faz nada. Se não
 tiver, cria uma (sem nenhum projeto)
    if @permissaoAvancado3.empty?  @permissoesI.empty?
 #    if @permissaoB.nil?
     �...@permissaoba = Permissao.new(params[:permissao])
 #    else
 #     �...@permissaoba = @permissaoB
 #    end
   �...@permissaoba.usuario = Usuario.find(:first, :conditions = [id =
 ?, @projeto.coordenador.to_i])
   �...@permissaoba.projeto = Projeto.find(:first, :conditions = [id =
 ?, @projeto.id])
   �...@permissaoba.perfil = Básico
 #    if !...@permissaob.nil?
 #   �...@permissaoba.update_attributes(params[:permissao])
 #    else
     �...@permissaoba.save(params[:permissao])
 #    end
    end


    ## Ao editar um projeto, existe a possibilidade da alteração do
 responsável pela Td
    ## Portanto, ele procura por todas as tarefas daquele projeto
   �...@tarefas = Tarefa.all(:conditions = [projeto_id = ?,
 @projeto.id])
    ## Varre cada uma
    for tarefa in @tarefas
    ## Altera o campo responsável pelo respnsável_td recém modificado
 (ou não) na edição do projeto
      tarefa.responsavel = Usuario.find(:first, :conditions = [id =
 ?, @projeto.responsavel_td]).nome
    ## Atualiza as alterações
      tarefa.update_attributes(params[:tarefa])
    end
        flash[:msg] = Projeto atualizado com sucesso
        redirect_to(@projeto)
   else
      render :action = edit
    end
  end
 [/code]

 It works ok, but what i wanna do is:

 destroy the permissao of responsavel_td and coordenador BEFORE the
 update.
 in other words, if the responsavel_td or the coordenador change, i
 wanna to destroy the permissao existing for those who were before the
 change.

 I make my self clear?

No, not to me anyway, the code and question are too complex.  Try to
reduce your question to to it's basic requirement.  Explain what you
want to do simply rather than providing large amounts of (mostly)
irrelevant code that would take too much time for the reader to
understand.


 If you can't understand me, just think this way.. How can I return the
 value before the update?

That is a much simpler question, but does not make sense as a
standalone question

Colin

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[Rails] Re: rails 2.3.8 and html_safe

Andrew Kaspick wrote:
 Robert Walker wrote:
 Andrew Kaspick wrote:
 Exactly.  I'm not using the rails_xss plugin, but the escaping rules are 
 not as they were in 2.3.5.  String literals were safe in 2.3.5, but 
 aren't in 2.3.8... a minor difference with huge implications.
 
 I created a quick-n-dirty test app. See the result here:
 
 http://www.ruby-forum.com/topic/214314#new
 
 2.3.8 should not require the use of raw to do what worked out of the 
 box in 2.3.5 and every release before that if rails_xss is not 
 installed.
 
 2.3.8  .html_safe?
 = false
 
 That result right there is why raw would be required now in 2.3.8 and 
 not in 2.3.5.  String literals in 2.3.8 should not be false... in rails 
 3 though that is correct and the expected result.

There are other changes in 2.3.8 that are the cause of the escaping 
issues, but at the moment my app is not upgradeable to 2.3.8.

I just wanted to know if others are having this issue, and it sounds 
like people are, but I'm still not sure if this is a bug or if this is 
the expected behviour for 2.3.8.  If this is expected behaviour for 
2.3.8 then this should not have been in a minor point release and 
instead saved for a 2.4 release or something.  Quite disappointing.
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[Rails] Re: simple redirect_to shows in log but doesn't redirect

2010-08-03 Thread Neil Bye

Joshua Mckinney wrote:
 Try using:
  def create
 @story = Story.find(params[:story_id])
 @story.comments.create params[:comment]
 request.format = :js
 respond_to do |format|
   format.js
   end
 end
 
 Although respond _to blocks are not always necessary, it can't hurt to
 try.

Too bad, that gives

ActionView::MissingTemplate (Missing template comments/create.erb in 
view path app/views):
  app/controllers/comments_controller.rb:13:in `create'

Line 13 is respond_to do |format|

So I took it out.  create.js.rjs is in views/comments right I think.

In peace Neil
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[Rails] rails 3 download - where ?

2010-08-03 Thread Dani Dani

I'm trying to update my rails from 2.3.8 to 3.0, where can I get the kit
from ?

Thanks,
Dani
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Re: [Rails] rails 3 download - where ?

2010-08-03 Thread Fidel Viegas

gem install rails --pre

this will install rails 3.0 rc1

All the best,

Fidel.

On 8/3/10, Dani Dani li...@ruby-forum.com wrote:
 I'm trying to update my rails from 2.3.8 to 3.0, where can I get the kit
 from ?

 Thanks,
 Dani
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Re: [Rails] rails 3 download - where ?

2010-08-03 Thread jason white

Ryan Bates from railscasts.com has an excellent screencast on this subject.
The links you are looking for are on the page under resources.

http://railscasts.com/episodes/225-upgrading-to-rails-3-part-1





On Tue, Aug 3, 2010 at 4:04 PM, Dani Dani li...@ruby-forum.com wrote:

 I'm trying to update my rails from 2.3.8 to 3.0, where can I get the kit
 from ?

 Thanks,
 Dani
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[Rails] Rails3 + rcov

2010-08-03 Thread Greg Donald

I hit a wall today with rcov + Rails3.

I am developing my Rails3 app using Ruby 1.9.2-preview3.  rcov and
relevance-rcov do not work with Ruby 1.9.2 yet.  I can't find any fork
of rcov that does yet either.  It wasn't that big of a deal since I
could easily switch over to Ruby 1.8.7 using rvm --default 1.8.7; rake
test:coverage.

So then today I brought my app forward from beta4 to Rails 3.0.0-rc.
That version requires linecache19.  The problem is linecache19 doesn't
compile with 1.8.7, only 1.9.2-preview3, it can't see my vm_core.h
file no matter how I configure it's --include-* params.  That means I
lost my working rcov on my Ruby 1.8.7 setup and I now only have a
barely working rcov with my 1.9.2-preview3 setup, and it creates
terribly wrong coverage stats.

What's my short-term solution for a working, accurate rcov?


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destiney.com | gregdonald.com

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[Rails] Re: Restfull routes, link_to, and additional paramters

2010-08-03 Thread Bob Proulx

Jonathan Steel wrote:
 I am trying to do a link_to with multiple to create an object.
 Everything works until ad the second parameter in. As soon as I add the
 second parameter, it forgets to add any information about the first one.

What do you mean, it forgets to add any information about the first
one?  I don't understand what you are trying to say there.

 link_to create, foos_path(@foo, :bar_id = @bar.id), :method = :post
 What am I doing incorrect?

You are aware that links should be GET requests and not POST requests,
right?  GETs should be safe.

  http://www.w3.org/2001/tag/doc/whenToUseGet.html

Also you should think about Progressive Enhancement and what happens
when people do not have have Javascript available.  Using :method
requires Javascript to create a form on the fly in memory.  It is just
a normal GET otherwise.

But as to your problem, I am not sure.  It works for me.  I just
jigged up a test case of your example and I was able to use that same
syntax just fine.

I suggest enclosing the link_to with parenthesis.  That can sometimes
enable the error to be more visible with a different ruby message.

  %= link_to(create, foos_path(@foo, :bar_id = @bar.id), :method = :post) 
%

Not sure but a shot in the dark.  Make sure the parameter is a string
with to_s.

  %= link_to(create, foos_path(@foo, :bar_id = @bar.id.to_s), :method = 
:post) %

Are you including default Javascript libraries?  IIRC that is needed.
Not sure though.

  %= javascript_include_tag :defaults %

Good luck!

Bob

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[Rails] Re: rails 2.3.8 and html_safe