Chris@1295: # Redmine - project management software
Chris@1295: # Copyright (C) 2006-2012  Jean-Philippe Lang
Chris@1295: #
Chris@1295: # This program is free software; you can redistribute it and/or
Chris@1295: # modify it under the terms of the GNU General Public License
Chris@1295: # as published by the Free Software Foundation; either version 2
Chris@1295: # of the License, or (at your option) any later version.
Chris@1295: #
Chris@1295: # This program is distributed in the hope that it will be useful,
Chris@1295: # but WITHOUT ANY WARRANTY; without even the implied warranty of
Chris@1295: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
Chris@1295: # GNU General Public License for more details.
Chris@1295: #
Chris@1295: # You should have received a copy of the GNU General Public License
Chris@1295: # along with this program; if not, write to the Free Software
Chris@1295: # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
Chris@1295: 
Chris@1295: class WatchersController < ApplicationController
Chris@1295:   before_filter :find_project
Chris@1295:   before_filter :require_login, :check_project_privacy, :only => [:watch, :unwatch]
Chris@1295:   before_filter :authorize, :only => [:new, :destroy]
Chris@1295: 
Chris@1295:   def watch
Chris@1295:     if @watched.respond_to?(:visible?) && !@watched.visible?(User.current)
Chris@1295:       render_403
Chris@1295:     else
Chris@1295:       set_watcher(User.current, true)
Chris@1295:     end
Chris@1295:   end
Chris@1295: 
Chris@1295:   def unwatch
Chris@1295:     set_watcher(User.current, false)
Chris@1295:   end
Chris@1295: 
Chris@1295:   def new
Chris@1295:   end
Chris@1295: 
Chris@1295:   def create
Chris@1295:     if params[:watcher].is_a?(Hash) && request.post?
Chris@1295:       user_ids = params[:watcher][:user_ids] || [params[:watcher][:user_id]]
Chris@1295:       user_ids.each do |user_id|
Chris@1295:         Watcher.create(:watchable => @watched, :user_id => user_id)
Chris@1295:       end
Chris@1295:     end
Chris@1295:     respond_to do |format|
Chris@1295:       format.html { redirect_to_referer_or {render :text => 'Watcher added.', :layout => true}}
Chris@1295:       format.js
Chris@1295:     end
Chris@1295:   end
Chris@1295: 
Chris@1295:   def append
Chris@1295:     if params[:watcher].is_a?(Hash)
Chris@1295:       user_ids = params[:watcher][:user_ids] || [params[:watcher][:user_id]]
Chris@1295:       @users = User.active.find_all_by_id(user_ids)
Chris@1295:     end
Chris@1295:   end
Chris@1295: 
Chris@1295:   def destroy
Chris@1295:     @watched.set_watcher(User.find(params[:user_id]), false) if request.post?
Chris@1295:     respond_to do |format|
Chris@1295:       format.html { redirect_to :back }
Chris@1295:       format.js
Chris@1295:     end
Chris@1295:   end
Chris@1295: 
Chris@1295:   def autocomplete_for_user
Chris@1295:     @users = User.active.like(params[:q]).find(:all, :limit => 100)
Chris@1295:     if @watched
Chris@1295:       @users -= @watched.watcher_users
Chris@1295:     end
Chris@1295:     render :layout => false
Chris@1295:   end
Chris@1295: 
Chris@1295: private
Chris@1295:   def find_project
Chris@1295:     if params[:object_type] && params[:object_id]
Chris@1295:       klass = Object.const_get(params[:object_type].camelcase)
Chris@1295:       return false unless klass.respond_to?('watched_by')
Chris@1295:       @watched = klass.find(params[:object_id])
Chris@1295:       @project = @watched.project
Chris@1295:     elsif params[:project_id]
Chris@1295:       @project = Project.visible.find_by_param(params[:project_id])
Chris@1295:     end
Chris@1295:   rescue
Chris@1295:     render_404
Chris@1295:   end
Chris@1295: 
Chris@1295:   def set_watcher(user, watching)
Chris@1295:     @watched.set_watcher(user, watching)
Chris@1295:     respond_to do |format|
Chris@1295:       format.html { redirect_to_referer_or {render :text => (watching ? 'Watcher added.' : 'Watcher removed.'), :layout => true}}
Chris@1295:       format.js { render :partial => 'set_watcher', :locals => {:user => user, :watched => @watched} }
Chris@1295:     end
Chris@1295:   end
Chris@1295: end