Add icon_url to subscriptions for custom feed icons

app/controllers/subscriptions_controller.rb

@@ -33,6 +33,28 @@ class SubscriptionsController < ApplicationController
 	  end
 	end
 
+  # GET /subscriptions/1/edit
+  def edit
+    @subscription = Subscription.find(params[:id])
+  end
+
+  # PUT /subscriptions/1
+  # PUT /subscriptions/1.json
+  def update
+    @subscription = Subscription.find(params[:id])
+
+    respond_to do |format|
+      if @subscription.update_attributes(params[:subscription])
+        format.html { redirect_to @subscription.layer, notice: 'Subscription updated OK' }
+        format.json { head :no_content }
+      else
+        format.html { render action: "edit" }
+        format.json { render json: @subscription.errors, status: :unprocessable_entity }
+      end
+    end
+  end
+
+
 	def destroy
     @subscription = Subscription.find(params[:id])
     @layer = @subscription.layer

app/views/layers/show.html.haml

@@ -40,6 +40,7 @@
       %td= link_to "Fetch", fetch_feed_url(s.feed), :class => "button"
       %td= link_to 'Edit', edit_feed_path(s.feed), :class => "button"
       %td= link_to 'Delete', s, :confirm => "Delete #{s.feed.title}?", :method => :delete, :class => "button"
+      %td= link_to 'Edit icon', edit_subscription_path(s), :class => "button"
 
   %tr
     %td

app/views/subscriptions/_icon_form.html.haml

@@ -0,0 +1,21 @@
+%h1 Custom feed icon
+
+%p
+  Layer:
+  = link_to @subscription.layer.name, @subscription.layer
+
+%p Specify the URL for an icon (JPG or PNG image) and it'll display for all posts in this feed in Layar.
+
+= form_for @subscription do |f|
+
+  -if @subscription.errors.any?
+    #error_explanation
+      %h2= "#{pluralize(@subscription.errors.count, "error")} prohibited this feed from being saved:"
+      %ul
+        - @subscription.errors.full_messages.each do |msg|
+          %li= msg
+
+  .field
+    = f.label "Icon URL"
+    = f.text_field :icon_url, :size => 120
+    = f.submit 'Save', :id => 'submit'

app/views/subscriptions/edit.html.haml

@@ -0,0 +1,3 @@
+= render 'icon_form'
+
+= link_to 'Back', layer_path(@subscription.layer)

db/migrate/20130410153407_add_icon_url_to_subscriptions.rb

@@ -0,0 +1,5 @@
+class AddIconUrlToSubscriptions < ActiveRecord::Migration
+  def change
+  	add_column :subscriptions, :icon_url, :string
+  end
+end

db/schema.rb

@@ -11,7 +11,7 @@
 #
 # It's strongly recommended to check this file into your version control system.
 
-ActiveRecord::Schema.define(:version => 20130408142010) do
+ActiveRecord::Schema.define(:version => 20130410153407) do
 
   create_table "delayed_jobs", :force => true do |t|
     t.integer  "priority",   :default => 0
@@ -66,6 +66,7 @@ ActiveRecord::Schema.define(:version => 20130408142010) do
     t.integer  "layer_id"
     t.datetime "created_at"
     t.datetime "updated_at"
+    t.string   "icon_url"
   end
 
   add_index "subscriptions", ["feed_id", "layer_id"], :name => "index_feeds_layers_on_feed_id_and_layer_id", :unique => true