Rails 3.2.11 Paperclip -
rails 3.2.11 paperclip polymorphic nested attachment, uploaded images never saved! maybe should add assets id every table requires images?
what stop paperclip uploading , saving files?
thank in advanced
error message:
connecting database specified database.yml started "/videos/" 31.54.205.49 @ wed may 15 06:51:33 -0500 2013 processing videoscontroller#index html rendered videos/index.html.erb within layouts/application (111.6ms) completed 500 internal server error in 227ms actionview::template::error (undefined method `attachment_file_name' #<video::cover:0x6929d69365c0>): 3: <div class="video"> 4: 5: <%- video.covers.each |cover| %> 6: <div class="video_cover"><%=link_to image_tag (cover.url(:small)), video %></div> 7: <% end %> 8: 9: app/models/assets.rb:4:in `__send__' app/models/assets.rb:4:in `url' app/views/videos/index.html.erb:6:in `_app_views_videos_index_html_erb__730847823_57814209936840' app/views/videos/index.html.erb:5:in `_app_views_videos_index_html_erb__730847823_57814209936840' app/views/videos/index.html.erb:1:in `each' app/views/videos/index.html.erb:1:in `_app_views_videos_index_html_erb__730847823_57814209936840' app/controllers/videos_controller.rb:10:in `index' schema:
activerecord::schema.define(:version => 20130514180732) create_table "assets", :force => true |t| t.datetime "created_at", :null => false t.datetime "updated_at", :null => false t.string "type" t.integer "assetable_id" t.string "assetable_type" t.string "attachement_type" t.string "attachement_file_name" t.string "attachement_content_type" t.integer "attachement_file_size" t.datetime "attachement_updated_at" end create_table "photos", :force => true |t| t.string "title" t.text "body" t.datetime "created_at", :null => false t.datetime "updated_at", :null => false end create_table "videos", :force => true |t| t.string "title" t.text "body" t.string "url" t.datetime "created_at", :null => false t.datetime "updated_at", :null => false end end models:
class assets < activerecord::base belongs_to :assetable, :polymorphic => true delegate :url, :to => :attachment end class video < activerecord::base attr_accessible :body, :title, :url, :assets_attributes, :cover #has_many :images, :as => :assetable, :class_name => "video::image", :dependent => :destroy has_many :covers, :as => :assetable, :class_name => "video::cover", :dependent => :destroy accepts_nested_attributes_for :covers, :allow_destroy => true class video::cover < assets has_attached_file :attachment, :styles => { :small => "300x0>", :large => "800x0>" } end end the video controller:
class videoscontroller < applicationcontroller #load_and_authorize_resource # /videos # /videos.xml def index @videos = video.all respond_to |format| format.html # index.html.erb format.xml { render :xml => @videos } end end # /videos/1 # /videos/1.xml def show @video = video.find(params[:id]) respond_to |format| format.html # show.html.erb format.xml { render :xml => @video } end end # videos/new # /videos/new.xml def new @video = video.new 1.times @video.covers.build end #40.times @video.images.build end respond_to |format| format.html # new.html.erb format.xml { render :xml => @video } end end # /collections/1/edit def edit @video = video.find(params[:id]) 1.times do@video.covers.build end #1.times @video.images.build end end # post /videos # post /videos.xml def create @video = video.new(params[:video]) respond_to |format| if @video.save format.html { redirect_to(@video, :notice => 'video created.') } format.xml { render :xml => @video, :status => :created, :location => @video } else format.html { render :action => "new" } format.xml { render :xml => @video.errors, :status => :unprocessable_entity } end end end # put /videos/1 # put /videos/1.xml def update @video = video.find(params[:id]) respond_to |format| if @video.update_attributes(params[:video]) format.html { redirect_to(@video, :notice => 'video updated.') } format.xml { head :ok } else format.html { render :action => "edit" } format.xml { render :xml => @video.errors, :status => :unprocessable_entity } end end end # delete /videos/1 # delete /videos/1.xml def destroy @video = video.find(params[:id]) @video.destroy respond_to |format| format.html { redirect_to(videos_url) } format.xml { head :ok } end end end video form:
<div id="form_bk"> <div id="field_left"> <%= form_for @video, :html => {:multipart => true} |f| %> <% if @video.errors.any? %> <div id="error_explanation"> <h2><%= pluralize(@video.errors.count, "error") %> prohibited collection being saved:</h2> <ul> <% @video.errors.full_messages.each |msg| %> <li><%= msg %></li> <% end %> </ul> </div> <% end %> <div id="cover"> <br /> <h2>cover image</h2> <%= f.fields_for :covers |cover| %> <% if cover.object.new_record? %> <p><%= cover.file_field :attachment %></p> <% end %> <% end %> <%= f.fields_for :covers |cover| %> <% unless cover.object.new_record? %> <br /> <p> <%=image_tag cover.object.url(:small) %><br /> <br /> delete cover <%= cover.check_box :_destroy %><br /><br /> </p> <% end %> <% end %> </div> <div id="form_right"> <div class="field"> <%= f.label :title %> <%= f.text_field :title %> </div> <div class="field"> <%= f.label :body %><br /> <%= f.text_area :body %> </div></div> <div class="field"> <%= f.label :url %><br /> <%= f.text_area :url %> </div></div> </div> <div class="actions"> <%= f.submit %> </div> <% end %> <br /> </div> index view:
<% @videos.each |video| %> <div class="video"> <%= video.covers.each |cover| %> <div class="video_cover"><%=link_to image_tag (cover.url(:small)), video %></div> <% end %> <div class="video_title"> <%=link_to video.title, video %> <%= video.body %> <%= link_to 'show', video %> <%= link_to 'edit', edit_video_path(video) %> <%= link_to 'destroy', video, :confirm => 'are sure?', :method => :delete %> </div> </div> <% end %> <br /><br /><br /> <%= link_to 'new video', new_video_path %>
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