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

Thu Apr 29 06:59:19 PDT 2010

Finally I had it working opening a new window where the download was done...

On 29 April 2010 11:49, Jordi Noguera Leon <jordinoguera83 at gmail.com> wrote:

> I've tried both and didn't work. Maybe using amf you can't use them...
> IWhat I'm trying now is to create a tempfile in rails and send the path to
> flex, although I'm encountering a problem in flex when I try to do the
> download in Flex:
>
> Certain actions, such as those that display a pop-up window, may only be
> invoked upon user interaction, for example by a mouse click or button press.
>  at flash.net::FileReference/download()
>
> Just because I'm getting the file between the user clicking download and
> flex invoking the download...
>
>
>
> On 29 April 2010 10:59, Jon Gilbraith <jon at professionalnerd.com> wrote:
>
>> Yes, in my case I was serving up existing files (I was using send_file
>> rather than serving them statically to allow access control) but I'd expect
>> there not to be any difference from the client's point of view.
>>
>>
>> On 29 April 2010 10:11, Jordi Noguera Leon <jordinoguera83 at gmail.com>wrote:
>>
>>> 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_forgeryfrom 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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