modify attachments

app/controllers/attachments_controller.rb

@@ -13,6 +13,15 @@ class AttachmentsController < ApplicationController
 
   # GET /attachments/1
   # GET /attachments/1.json
+  def set_titlepic
+    @attachment = Attachment.find(params[:id])
+    if @attachment.image?
+      @attachment.flag_titlepic = params[:titlepic]
+      @attachment.thema.titlepics << @attachment
+      @attachment.save
+    end
+    redirect_to @attachment.thema
+  end
   def show
     @attachment = Attachment.find(params[:id])
 
@@ -27,7 +36,7 @@ class AttachmentsController < ApplicationController
   def new
     @attachment = Attachment.new
     @thema = Thema.find(params[:thema_id])
-	@attachment.thema = @thema
+    @attachment.thema = @thema
 	
     respond_to do |format|
       format.html # new.html.erb

app/models/attachment.rb

@@ -12,12 +12,12 @@
 
 class Attachment < ActiveRecord::Base
   has_paper_trail
-  attr_accessible :name, :datei, :datei_cache
+  attr_accessible :name, :datei, :datei_cache,:flag_titlepic
   belongs_to :thema
   mount_uploader :datei, AttachmentUploader
   validates :thema, :presence => true
   validates :name, :presence => true
-
+  belongs_to :parent, :polymorphic=>true
   def image?
     
  #   data_ext = datei.file.extension.downcase 

app/models/thema.rb

@@ -22,6 +22,7 @@ include Rails.application.routes.url_helpers
   validates :themengruppe, :presence => true
   validates :title, :presence => true
   validates :text, :presence => true
+  has_many :titlepics, :as=>:parent, :class_name=>'Attachment', :conditions=>{:flag_titlepic=>true}
   has_many :meetings, :as=>:parent
   has_many :documents, :as=>:parent
   scope :public, where(:isdraft=>false).includes(:themengruppe).where("themengruppen.public"=>true)

app/views/themen/_attachment_list.html.erb

@@ -12,6 +12,9 @@
 <a class="dropdown-toggle" data-toggle="dropdown" href="#">Actions</a>
 <ul class="dropdown-menu">
 <li>
+<%= link_to ff_icon("icon-pencil")+"Make Titlepic", set_titlepic_thema_attachment_path(a.thema,a,:params=>{:titlepic=>true}) %>
+</li>
+<li>
 <%= link_to ff_icon("icon-pencil")+"Edit", edit_thema_attachment_path(a.thema,a) %>
 </li><li>
 <%= link_to "Delete Attachment", thema_attachment_path(a.thema,a), method: "DELETE", confirm: "Sure?" , class: "btn-danger " %>

app/views/themen/_small.html.erb

@@ -1,7 +1,8 @@
 <% if can? :show, small %>
 <a name="thema_<%=small.id%>" href="#<%=small.id%>">
-  <h2><%= small.title %> <%= link_to fa_icon("pencil"), verwalten_thema_path(small) if can? :edit, small  %>   </h2>
+  <h2><%= link_to small.title,small %> <%= link_to fa_icon("pencil"), verwalten_thema_path(small) if can? :edit, small  %>   </h2>
 </a>
+<%= image_tag small.titlepics.first.datei.url unless small.titlepics.first.nil? %>
 <% if small.is_outdated? %>
 <div class="sticker sticker-red"> <%= I18n.t("thema.outdated") %> <%= link_to"Als aktuell markieren",is_updated_thema_path(small), :class=>:btn if can? :is_updated, small%></div>
 <% end %>

app/views/themen/show.html.erb

@@ -1,19 +1,24 @@
 <%= content_for :header do %>
 <title><%= @thema.title.to_s + " (" + @thema.themengruppe.title.to_s + ")" %></title>
 
-<% unless @thema.attachments.first.nil?
-  # picture_url=URI(root_url)
- #  picture_url.path=@thema.picture.url(:locale=>nil, :theme=>nil)
-end
+<% 
+   mog = {
+     :title => @thema.title.to_s + " (" + @thema.themengruppe.title.to_s + ")",
+     :type => "article",
+     :description =>@thema.text_first_words,
+     :url=>thema_url(:theme=>nil)
+  }
 %> 
-<% set_meta_tags :og => {
-      :title => @thema.title.to_s + " (" + @thema.themengruppe.title.to_s + ")",
-    :type => "article",
-    :description =>@thema.text_first_words,
-:url=>thema_url(:theme=>nil)
-}
+
+<%=
+   unless @thema.titlepics.first.nil?
+     picture_url=URI(root_url)
+     picture_url.path=@thema.titlepics.first.datei.url(:locale=>nil, :theme=>nil)
+     mog[:image]= picture_url 
+   end
 %>
-<%= display_meta_tags %>
+<%= mog.to_yaml %>
+<%= display_meta_tags :og=> mog %>
 <% end %>
 
 <p id="notice"><%= notice %></p>

config/routes.rb

@@ -157,7 +157,11 @@
           get :documents
           get :meetings
         end
-        resources :attachments
+        resources :attachments do
+          member do 
+            get :set_titlepic
+          end
+        end
       end
       
       resources :calendars

db/migrate/20150211180445_add_parent_to_attachment.rb

@@ -0,0 +1,7 @@
+class AddParentToAttachment < ActiveRecord::Migration
+  def change
+    change_table :attachments do |t|
+      t.references :parent, :polymorphic=>{:default=>'Thema'}
+    end
+  end
+end

db/migrate/20150211180912_add_flags_to_attachment.rb

@@ -0,0 +1,5 @@
+class AddFlagsToAttachment < ActiveRecord::Migration
+  def change
+    add_column :attachments, :flag_titlepic, :boolean
+  end
+end