关注列表、关注与取消关注接口

app/controllers/watchers_controller.rb

@@ -15,13 +15,37 @@
 # along with this program; if not, write to the Free Software
 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 class WatchersController < ApplicationController
-  before_filter :require_login, :find_watchables, :only => [:watch, :unwatch]
+  before_filter :require_login#, :find_watchables, :only => [:watch, :unwatch]
   def watch
-    set_watcher(@watchables, User.current, true)
+    s = Service.new
+    watchables = s.watch params.merge(:current_user_id => User.current.id)
+    respond_to do |format|
+      format.html { redirect_to_referer_or {render :text => (true ? 'Watcher added.' : 'Watcher removed.'), :layout => true}}
+      format.js { render :partial => 'set_watcher', :locals => {:user => User.current, :watched => watchables} }
+    end
+  rescue Exception => e
+    if e.message == "404"
+      render_404
+    else
+      raise e
+    end
+    #set_watcher(@watchables, User.current, true)
   end
 
   def unwatch
-    set_watcher(@watchables, User.current, false)
+    s = Service.new
+    watchables = s.unwatch  params.merge(:current_user_id => User.current.id)
+    respond_to do |format|
+      format.html { redirect_to_referer_or {render :text => (false ? 'Watcher added.' : 'Watcher removed.'), :layout => true}}
+      format.js { render :partial => 'set_watcher', :locals => {:user => User.current, :watched => watchables} }
+    end
+  rescue Exception => e
+    if e.message == "404"
+      render_404
+    else
+      raise e
+    end
+    #set_watcher(@watchables, User.current, false)
   end
   
   def join

app/services/service.rb

@@ -1,15 +1,20 @@
 class Service
   def watch params
+    @current_user = User.find(params[:current_user_id])
     @watchables = find_watchables params
     if @watchables.nil?
-
+      raise '404'
     end
-    set_watcher(@watchables, User.current, true)
+    set_watcher(@watchables, @current_user, true)
   end
 
   def unwatch params
-    find_watchables params
+    @current_user = User.find(params[:current_user_id])
-    set_watcher(@watchables, User.current, false)
+    @watchables = find_watchables params
+    if @watchables.nil?
+      raise '404'
+    end
+    set_watcher(@watchables, @current_user, false)
   end
 
   def find_watchables params
@@ -47,5 +52,6 @@ class Service
         end
       end
     end
+    watchables
   end
 end