Chris@0: # redMine - project management software
Chris@0: # Copyright (C) 2006-2007  Jean-Philippe Lang
Chris@0: #
Chris@0: # This program is free software; you can redistribute it and/or
Chris@0: # modify it under the terms of the GNU General Public License
Chris@0: # as published by the Free Software Foundation; either version 2
Chris@0: # of the License, or (at your option) any later version.
Chris@0: # 
Chris@0: # This program is distributed in the hope that it will be useful,
Chris@0: # but WITHOUT ANY WARRANTY; without even the implied warranty of
Chris@0: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
Chris@0: # GNU General Public License for more details.
Chris@0: # 
Chris@0: # You should have received a copy of the GNU General Public License
Chris@0: # along with this program; if not, write to the Free Software
Chris@0: # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
Chris@0: 
Chris@0: class WatchersController < ApplicationController
Chris@0:   before_filter :find_project
Chris@0:   before_filter :require_login, :check_project_privacy, :only => [:watch, :unwatch]
Chris@0:   before_filter :authorize, :only => [:new, :destroy]
Chris@0:   
Chris@0:   verify :method => :post,
Chris@0:          :only => [ :watch, :unwatch ],
Chris@0:          :render => { :nothing => true, :status => :method_not_allowed }
Chris@0:   
Chris@0:   def watch
Chris@0:     if @watched.respond_to?(:visible?) && !@watched.visible?(User.current)
Chris@0:       render_403
Chris@0:     else
Chris@0:       set_watcher(User.current, true)
Chris@0:     end
Chris@0:   end
Chris@0:   
Chris@0:   def unwatch
Chris@0:     set_watcher(User.current, false)
Chris@0:   end
Chris@0:   
Chris@0:   def new
Chris@0:     @watcher = Watcher.new(params[:watcher])
Chris@0:     @watcher.watchable = @watched
Chris@0:     @watcher.save if request.post?
Chris@0:     respond_to do |format|
Chris@0:       format.html { redirect_to :back }
Chris@0:       format.js do
Chris@0:         render :update do |page|
Chris@0:           page.replace_html 'watchers', :partial => 'watchers/watchers', :locals => {:watched => @watched}
Chris@0:         end
Chris@0:       end
Chris@0:     end
Chris@0:   rescue ::ActionController::RedirectBackError
Chris@0:     render :text => 'Watcher added.', :layout => true
Chris@0:   end
Chris@0:   
Chris@0:   def destroy
Chris@0:     @watched.set_watcher(User.find(params[:user_id]), false) if request.post?
Chris@0:     respond_to do |format|
Chris@0:       format.html { redirect_to :back }
Chris@0:       format.js do
Chris@0:         render :update do |page|
Chris@0:           page.replace_html 'watchers', :partial => 'watchers/watchers', :locals => {:watched => @watched}
Chris@0:         end
Chris@0:       end
Chris@0:     end
Chris@0:   end
Chris@0:   
Chris@0: private
Chris@0:   def find_project
Chris@0:     klass = Object.const_get(params[:object_type].camelcase)
Chris@0:     return false unless klass.respond_to?('watched_by')
Chris@0:     @watched = klass.find(params[:object_id])
Chris@0:     @project = @watched.project
Chris@0:   rescue
Chris@0:     render_404
Chris@0:   end
Chris@0:   
Chris@0:   def set_watcher(user, watching)
Chris@0:     @watched.set_watcher(user, watching)
Chris@0:     if params[:replace].present?
Chris@0:       if params[:replace].is_a? Array
Chris@0:         replace_ids = params[:replace]
Chris@0:       else
Chris@0:         replace_ids = [params[:replace]]
Chris@0:       end
Chris@0:     else
Chris@0:       replace_ids = ['watcher']
Chris@0:     end
Chris@0:     respond_to do |format|
Chris@0:       format.html { redirect_to :back }
Chris@0:       format.js do
Chris@0:         render(:update) do |page|
Chris@0:           replace_ids.each do |replace_id|
Chris@0:             page.replace_html replace_id, watcher_link(@watched, user, :replace => replace_ids)
Chris@0:           end
Chris@0:         end
Chris@0:       end
Chris@0:     end
Chris@0:   rescue ::ActionController::RedirectBackError
Chris@0:     render :text => (watching ? 'Watcher added.' : 'Watcher removed.'), :layout => true
Chris@0:   end
Chris@0: end