OK, just to make sure I understand you I’ll summarise in code:
on openCard
go card “database setup”
if the result is false then
— database setup failed
end if
end openCard
— database setup card script
on openCard
— do stuff
return stuffFailed
end openCard
If ^ is what you are doing then no it won’t work. The result after the go
command is an error message if it failed rather than anything returned by
openCard.
Cheers
Monte
> On 27 Oct. 2016, at 10:19 am, Bob Sneidar <[email protected]> wrote:
>
> I'll try to enumerate the process. I have an openStack handler in the card
> script of the mainstack. In this handler I initialize the app. First I insert
> my validations, utilities and front scripts into the message hierarchy. Then
> I attempt to register sqlyoga. If that succeeds, I go to a card called
> database setup.
>
> This also has an openCard handler which attempts to connect to the registered
> database. If it is successful, I want to return true to the openCard handler
> on the first card, otherwise I want to return false. The reason is that the
> next step involves a login stack which queries the database for users and
> allows the user to login. I also query for settings. I cannot proceed until I
> know I have a good database connection.
>
> I know it sounds convoluted, but I have some portable cards and stacks which
> function simply by including them in the mainstack, and then going to the
> card or stack. All of these cards/stacks are triggered by openCard/openStack
> handlers. I don't want the calling stack to actually call a handler on the
> target stacks. I want developers to simply go to those cards or stacks, which
> will populate properties of the mainstack with data that will be used later.
>
> For example, the login stack will set properties in the mainstack called
> loginid, username and fullname which are used later by the settings card and
> every record added or updated will get the fullname in the updateby column,
> which every table I have has.
>
> Now if I cannot connect to the database, then I haven't retrieved the
> settings and I haven't logged in, so I need to set some properties of the
> mainstack in the openCard handler of the mainstack so that when I do connect
> I can check those and force a login and settings update.
>
> As I mentioned in a prior email, it's no big deal because I just work around
> it by setting properties instead of returning a value. It's just a gotcha to
> return a value in a built-in message handler if those handlers always set the
> result to empty.
>
> Bob S
>
>
>> On Oct 26, 2016, at 15:17 , Monte Goulding <[email protected]> wrote:
>>
>>
>>> On 27 Oct. 2016, at 9:07 am, Bob Sneidar <[email protected]>
>>> wrote:
>>>
>>> I return a value at the end of an openCard handler
>>
>> What are you returning it to? openCard is sent by the engine… or are you
>> calling it yourself?
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