Please, I need some help with this, I just need to know if I'm on the right
track

Thanks,

Gabriel

On Wed, Jul 14, 2010 at 8:53 PM, Gabriel Guardincerri <[email protected]>wrote:

> I have another questions, is about the file's metada, I think that from the
> spec, there's no need to store any metada of the file. That should be
> handled by some other entity, in most cases MediaItem. The only problem that
> I see with that is how does Shindig know that should delete the file when
> the MediaItem entity is deleted. Any ideas?
>
> Thanks,
>
> Gabriel
>
>
> On Wed, Jul 14, 2010 at 3:49 PM, Gabriel Guardincerri 
> <[email protected]>wrote:
>
>> Hi,
>>
>> I'm implementing Content 
>> Upload<http://opensocial-resources.googlecode.com/svn/spec/1.0/Core-API-Server.xml#Content-Upload>spec
>>  and I have a few question to be sure that I'm understanding it
>> correctly:
>>
>> I wrote an extend exaplantion in a post with title "Uploading and storing
>> files data", but it can be summarized in that Uploaded Content is a param
>> for some other action. I mean, if we want to create an Activity that
>> contains an image, the we call the create activity service with the usual
>> params of the activity and also with a file as a param. Uploading a file
>> param is not easy, so this spec is about how to handle that.
>>
>> If that interpretation is right, then uploading content is an extension on
>> what type of params can be used to create/update any entity. Therefore we
>> need a general way to handle files that could be used by potentially any
>> service.
>>
>> So, I'm right now trying to implement the RPC part of the spec, since it
>> can be used from the browser and all the multipart-form handling code is
>> already there in Shindig.
>>
>> Just to start with something I've modified AppDataHandler to handle binary
>> files (I know that the spec says that App Data only handles Strings values,
>> but I need something like for myself, I'll port this to meet the spec). So
>> now the AppDataHandler.create(...) method is able to handle files if they
>> are in the SocialRequestItem. It saves the file using a new
>> service ContentUploadService. Then replace the key that is mapped to that
>> file, e.g:
>>
>> If the there is a values map with:
>>
>> "data" : {
>>    "image":"@field:image1"
>> }
>>
>> Then it searches for a FormMimePart with name "image1", saves the content
>> to a new file, gets this file's ID and changes that value with it:
>>
>> "data" : {
>>    "image":"<fileID>"
>> }
>>
>> Then continues as before.
>>
>> I'm not sure if that's the best place, I mean that Handles handle the file
>> storage and then resolving the reference to the file. The good side of this
>> is that each handler would be able to decide what to do with file params.
>> The bad side is that it could be resolved when the raw content of the
>> request is being converted, so it would be transparent to handlers. Any
>> suggestion on this?
>>
>> Another thing is that I'm not sure about how to get that file, I mean to
>> see it in the browser, AFAIU the file ID could be actually an URL that can
>> be used to get the file. Is this right?
>>
>> So WDYT? I'm on the right way?
>>
>> BTW, I'm attaching a patch with the changes.
>>
>> Thanks,
>>
>> Gabriel
>>
>
>

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