update plugins to allow listing via API

app/controllers/channels_controller.rb

@@ -39,6 +39,9 @@ class ChannelsController < ApplicationController
 
   # list public channels
   def public
+    # error if page 0
+    respond_with_error(:error_resource_not_found) and return if params[:page] == '0'
+
     @domain = domain
     # default blank response
     @channels = Channel.where(:id => 0).paginate :page => params[:page]
@@ -63,7 +66,6 @@ class ChannelsController < ApplicationController
     # normal channel list
     else
       @header = t(:featured_channels)
-      respond_with_error(:error_resource_not_found) and return if params[:page] == '0'
       @channels = Channel.public_viewable.active.order('ranking desc, updated_at DESC').paginate :page => params[:page]
     end
 

app/controllers/plugins_controller.rb

@@ -1,5 +1,6 @@
 class PluginsController < ApplicationController
-  before_filter :require_user, :except => [:show_public, :show]
+  before_filter :authenticate_via_api_key!, :only => [:index]
+  before_filter :require_user, :except => [:show_public, :show, :public]
   before_filter :set_plugins_menu
   before_filter :check_permission, :only => ['edit', 'update', 'ajax_update', 'destroy']
 
@@ -11,8 +12,31 @@ class PluginsController < ApplicationController
   def new; ; end
   def edit; ; end
 
+  # get list of public plugins
+  def public
+    # error if page 0
+    respond_with_error(:error_resource_not_found) and return if params[:page] == '0'
+
+    # default blank response
+    @plugins = Plugin.where(:id => 0).paginate :page => params[:page]
+
+    # get plugins
+    @plugins = Plugin.where("public_flag = true").order('updated_at DESC').paginate :page => params[:page]
+
+    respond_to do |format|
+      format.html
+      format.json { render :json => Plugin.paginated_hash(@plugins).to_json }
+      format.xml { render :xml => Plugin.paginated_hash(@plugins).to_xml(:root => 'response') }
+    end
+  end
+
   def index
     @plugins = current_user.plugins
+    respond_to do |format|
+      format.html
+      format.json { render :json => @plugins.to_json(Plugin.public_options) }
+      format.xml { render :xml => @plugins.to_xml(Plugin.public_options) }
+    end
   end
 
   def public_plugins