comparison app/controllers/.svn/text-base/watchers_controller.rb.svn-base @ 0:513646585e45

* Import Redmine trunk SVN rev 3859

+# redMine - project management software
+# Copyright (C) 2006-2007  Jean-Philippe Lang
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+# 
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+# 
+# You should have received a copy of the GNU General Public License
+# 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 :find_project
+  before_filter :require_login, :check_project_privacy, :only => [:watch, :unwatch]
+  before_filter :authorize, :only => [:new, :destroy]
+  
+  verify :method => :post,
+         :only => [ :watch, :unwatch ],
+         :render => { :nothing => true, :status => :method_not_allowed }
+  
+  def watch
+    if @watched.respond_to?(:visible?) && !@watched.visible?(User.current)
+      render_403
+    else
+      set_watcher(User.current, true)
+    end
+  end
+  
+  def unwatch
+    set_watcher(User.current, false)
+  end
+  
+  def new
+    @watcher = Watcher.new(params[:watcher])
+    @watcher.watchable = @watched
+    @watcher.save 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
+  rescue ::ActionController::RedirectBackError
+    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)
+    return false unless klass.respond_to?('watched_by')
+    @watched = klass.find(params[:object_id])
+    @project = @watched.project
+  rescue
+    render_404
+  end
+  
+  def set_watcher(user, watching)
+    @watched.set_watcher(user, watching)
+    if params[:replace].present?
+      if params[:replace].is_a? Array
+        replace_ids = params[:replace]
+      else
+        replace_ids = [params[:replace]]
+      end
+    else
+      replace_ids = ['watcher']
+    end
+    respond_to do |format|
+      format.html { redirect_to :back }
+      format.js do
+        render(:update) do |page|
+          replace_ids.each do |replace_id|
+            page.replace_html replace_id, watcher_link(@watched, user, :replace => replace_ids)
+          end
+        end
+      end
+    end
+  rescue ::ActionController::RedirectBackError
+    render :text => (watching ? 'Watcher added.' : 'Watcher removed.'), :layout => true
+  end
+end