Added watchers for message boards (watchers controller modified to support any watchable model).

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git-svn-id: http://redmine.rubyforge.org/svn/trunk@530 e93f8b46-1217-0410-a6f0-8f06a7374b81

app/controllers/boards_controller.rb

@@ -25,6 +25,8 @@ class BoardsController < ApplicationController
   include MessagesHelper
   helper :sort
   include SortHelper
+  helper :watchers
+  include WatchersHelper
  
   def index
     @boards = @project.boards

app/controllers/issues_controller.rb

@@ -27,6 +27,8 @@ class IssuesController < ApplicationController
   include IfpdfHelper
   helper :issue_relations
   include IssueRelationsHelper
+  helper :watchers
+  include WatchersHelper
 
   def show
     @status_options = @issue.status.find_new_statuses_allowed_to(logged_in_user.role_for_project(@project), @issue.tracker) if logged_in_user

app/controllers/watchers_controller.rb

@@ -20,19 +20,30 @@ class WatchersController < ApplicationController
   before_filter :require_login, :find_project, :check_project_privacy
   
   def add
-    @issue.add_watcher(logged_in_user)
-    redirect_to :controller => 'issues', :action => 'show', :id => @issue
+    user = logged_in_user
+    @watched.add_watcher(user)
+    respond_to do |format|
+      format.html { render :text => 'Watcher added.', :layout => true }
+      format.js { render(:update) {|page| page.replace_html 'watcher', watcher_link(@watched, user)} }
+    end
   end
   
   def remove
-    @issue.remove_watcher(logged_in_user)
-    redirect_to :controller => 'issues', :action => 'show', :id => @issue
+    user = logged_in_user
+    @watched.remove_watcher(user)
+    respond_to do |format|
+      format.html { render :text => 'Watcher removed.', :layout => true }
+      format.js { render(:update) {|page| page.replace_html 'watcher', watcher_link(@watched, user)} }
+    end
   end
 
 private
-
   def find_project
-    @issue = Issue.find(params[:issue_id])
-    @project = @issue.project
+    klass = Object.const_get(params[:object_type].camelcase)
+    return false unless klass.respond_to?('watched_by')
+    @watched = klass.find(params[:object_id])
+    @project = @watched.project
+  rescue
+    render_404
   end
 end