On Sep 16, 2009, at 5:05 PM, blueHandTalking wrote:
>
> I am still working on my attempt to have Paperclip do an 'Ajaxy'
> upload
> from 3 different forms that save to a single record which has fields
> for 3 images.
> The page I am doing this from is generated from a ProjectsController,
> which creates
> a @project instance and a @photo instance. the project has_one photo,
> and the
> photo belongs_to the project.
>
> I redirect from a 'new' method where the project and photo are saved
> to an 'edit' method.
> In edit, I am doing the following:
>
> @project = Project.find(params[:id])
> @photo = @project.photo
>
> The reason for this is to have the same photo record available to all
> 3 forms, and the
> project_id also available.
>
> In my forms I have a method 'upload_main' (and similar for the 2
> other forms).
> This is handled in PhotosController by:
>
> @photo = Photo.find_by_project_id(params[:id])
>
> if @photo.update_attributes(params[:photo])
> responds_to_parent do
> render :action => 'main_Photo.rjs'
> end
>
[snip]
> <input type="hidden" name="#{param_name_for_this}[project_id]"
> value="&@project.id"/>
> <input type="hidden" name="#{param_name_for_this}[id]"
> value="&@project.photo_id"/>
>
> ...and the following is in my Apache Application log:
>
> Processing PhotosController#upload_main (for 66.165.26.17 at
> 2009-09-16 20:32:07) [POST]
> Parameters: {"photo"=>{"project_id"=>"298", "mainimg"=>#<File:/tmp/
> RackMultipart.25933.1>, "id"=>"492"}, "page_path"=>"projects/edit",
> "authenticity_token"=>"iiwoOHgAaBTCv/U4xhmvlR2qleLbG+Ov70cubJ7G8jQ=",
> "after_submit"=>"stay-here"}
>
> So the correct photo id is in the hash, along with the project_id.
>
> Where am I missing the boat on not actually getting the @photo saved
> in PhotosController?
I'm not sure why this isn't just throwing an error - you're looking up
a Photo with params[:id], but not passing anything in that position in
params. You've got a project_id and id in params[:photo], but they'd
be accessed as params[:photo][:project_id], for example.
There's also something weird with your models - do you really have a
project_id field on Photo *and* a photo_id field on Project? That's a
quick ticket to some confusion - you only need the FK on one side (the
belongs_to) with a corresponding has_(one|many) on the other end.
--Matt Jones
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