Add a permission to remove issue watchers (#2450).

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@2977 e93f8b46-1217-0410-a6f0-8f06a7374b81

app/controllers/watchers_controller.rb

@@ -18,7 +18,7 @@
 class WatchersController < ApplicationController
   before_filter :find_project
   before_filter :require_login, :check_project_privacy, :only => [:watch, :unwatch]
-  before_filter :authorize, :only => :new
+  before_filter :authorize, :only => [:new, :destroy]
   
   verify :method => :post,
          :only => [ :watch, :unwatch ],
@@ -48,6 +48,18 @@ class WatchersController < ApplicationController
     render :text => 'Watcher added.', :layout => true
   end
   
+  def destroy
+    @watched.set_watcher(User.find(params[:user_id]), false) if request.post?
+    respond_to do |format|
+      format.html { redirect_to :back }
+      format.js do
+        render :update do |page|
+          page.replace_html 'watchers', :partial => 'watchers/watchers', :locals => {:watched => @watched}
+        end
+      end
+    end
+  end
+  
 private
   def find_project
     klass = Object.const_get(params[:object_type].camelcase)