[Seaside] Ajax Callback with Response Code other than 200

[jtuchel at objektfabrik.de]

Hi Bob, Hi Johan,

your answers are eye-openers for me. Until you pointed me into the 
direction of accessing the response via self requestContext, I was under 
the false assumption that you cannot answer Ajax callbacks with return 
codes other than 200. This opens a whole new universe for me ;-)

Thanks a lot!

So far I've managed to integrate X-editable perfectly, but am still 
looking for a way to replace the edited text with the new input as it 
was re-formatted on the server in response to the .editable() call. But 
that is more a javascript/jQuery/X-editable problem than a seaside one. 
the editable() success function has no effect, and I guess I'll have to 
try if complete works any better...

I'll make another handful of attempts before I look at jeditable, which 
allows you to submit the in-place-editing result to a local function in 
which I could send an ajax call back and do what I need (I think).

Joachim


Am 01.01.14 10:10, schrieb Johan Brichau:
> Indeed.
>
> There is a bit of doc on this here: 
> http://book.seaside.st/book/advanced/restful/request-response
> Although it's in the context of REST, the #respond: method can be 
> invoked in any request context (hence "self requestContext respond: 
> [:response | ... ]) to take low-level control on what Seaside should 
> respond.
>  And there are methods on WAResponse to set the status code.
>
> Cheers and happy new year!
> Johan
>
> On 31 Dec 2013, at 20:43, Bob Arning <arning315 at comcast.net 
> <mailto:arning315 at comcast.net>> wrote:
>
>> Well, just trying things a bit, this seems to work:
>>
>> "===================="
>>     html div
>>         onClick: (html jQuery ajax
>>             callback: [ :val |
>>                 val inspect.
>>                 self requestContext respond: [ :response |
>>                     response
>>                         contentType: 'text/json' seasideMimeType;
>>                         nextPutAll: {'what arrived was'. val} asJson
>>                     ]
>>                 ]
>>             value: (JSStream on: 'this.innerHTML')
>>         );
>>         with: 't2'.
>> "===================="
>>
>> Cheers,
>> Bob
>>
>> On 12/31/13 9:30 AM, jtuchel at objektfabrik.de wrote:
>>> Hi again,
>>>
>>> thinking a bit more about my X-editable plans, I dug a bit deeper 
>>> into JQAjax. Unfortunately, this gives me more questions than 
>>> answers ;-)
>>>
>>> Say I have an ajax callback using jquery like this:
>>>
>>> html anchor
>>> id: 'mylink';
>>> onClick: (html jQuery  ajax callback: [self doSomething]);
>>> with: 'Click here'.
>>>
>>>
>>> This callback will always respond with an empty HTTP response with 
>>> status code 200, right?
>>> There are other callback methods on JQAjax, like respond:, text: and 
>>> so on.
>>>
>>> Is there any documentation on these?
>>>
>>> I am looking for a way to transport some value to a server-side 
>>> callback block and respond with one of these two options:
>>>
>>> a) HTTP 200 and a JSON document with success information and 
>>> probably an error message
>>> b) HTTP 200 if the callback processed without errors, or a different 
>>> HTTP code and some error text in the response's body if there is 
>>> some error during processing the callback
>>>
>>> Has anybody done this? Any pointers to more details?
>>>
>>> Thanks in advance and happy new year to all Seasiders!
>>>
>>> Joachim
>>>
>>>
>>
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>
>
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Objektfabrik Joachim Tuchel          mailto:jtuchel at objektfabrik.de
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