[LRUG] Flex/Rails and downloading data to a file

Jordi Noguera Leon jordinoguera83 at gmail.com
Thu Apr 29 02:11:27 PDT 2010


Wait, you've used send_file? Do you delete the file after it's downloaded?

On 29 April 2010 09:07, Jon Gilbraith <jon at professionalnerd.com> wrote:

> Yes, that's similar to how I've successfully served up files to a Flex app
> (granted with send_file rather than send_data, and I don't know any of the
> details of the Flex side of the implementation).
>
>
> On 28 April 2010 17:23, Jordi Noguera Leon <jordinoguera83 at gmail.com>wrote:
>
>> So, this *send_data @data, :type => 'application/x-amf', :filename =>
>> "@filename, :disposition => 'inline' *should work?
>>
>>
>>
>> On 28 April 2010 16:23, Jon Gilbraith <jon at professionalnerd.com> wrote:
>>
>>> Jordi, you didn't mention the disposition there and if you don't specify
>>> 'inline' it'll default to attachment and prompt you to save rather than
>>> stream.
>>>
>>>
>>> On 28 April 2010 15:56, Jordi Noguera Leon <jordinoguera83 at gmail.com>wrote:
>>>
>>>> hey!
>>>>
>>>> @Neil, I don't quite see what you're trying to say... The thing is so
>>>> far there aren't any files, I have the contents of the file that should be
>>>> downloaded, but from here to downloading an actual file I have no clue how
>>>> to do it...
>>>>
>>>> @Ken, I've used send_data in other parts of the app where Flex wasn't
>>>> used and calling it caused a dialog to appear in order to save a file
>>>> (something like send_data(@my_data, :filename => :whatever)). So, what I was
>>>> expecting was send_data to start a file download.
>>>>
>>>> Jordi
>>>>
>>>>
>>>>
>>>> On 28 April 2010 14:58, Kenneth Lee <kenfodder at gmail.com> wrote:
>>>>
>>>>>  Hey,
>>>>>
>>>>> send_data sends binary data, not getting the expected results doesn't
>>>>> tell me much, can you find out what you are getting back? content-type
>>>>> etc... Also what are you expecting back, json, xml, a file?
>>>>>
>>>>> I recommend using curl or even a browser to talk to rails via http and
>>>>> see if the data is what you expect your Flex app to receive as really it's
>>>>> just acting as an API.
>>>>>
>>>>> Also for the invalid auth token just remove protect_from_forgery from
>>>>> you application controller, or at least that is where you should start as
>>>>> that is where the error is originating from I believe.
>>>>>
>>>>> Hope this gets you started.
>>>>>
>>>>> Ken
>>>>>
>>>>> Jordi Noguera Leon wrote:
>>>>>
>>>>> Hi there!
>>>>>
>>>>>  I'm struggling to solve the following problem. We have an app with a
>>>>> flex front end that displays some charts, each chart has a link to download
>>>>> the data displayed in that chart. To do this I tried to call a rails method
>>>>> that called send_data, but it didn't produce the expected results. It'd be
>>>>> good if there was an easy way to do this directly from Flex...
>>>>>
>>>>>  I've also been trying to follow the steps explained in this article<http://flexonrails.net/?p=5>,
>>>>> but I'm getting an Invalid Auth token error...
>>>>>
>>>>>  Does anyone have an idea?
>>>>>
>>>>>  Cheers,
>>>>> Jordi
>>>>>
>>>>>
>>>>>  ------------------------------
>>>>>
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