Chris@1517: # Redmine - project management software
Chris@1517: # Copyright (C) 2006-2014  Jean-Philippe Lang
Chris@1517: #
Chris@1517: # This program is free software; you can redistribute it and/or
Chris@1517: # modify it under the terms of the GNU General Public License
Chris@1517: # as published by the Free Software Foundation; either version 2
Chris@1517: # of the License, or (at your option) any later version.
Chris@1517: #
Chris@1517: # This program is distributed in the hope that it will be useful,
Chris@1517: # but WITHOUT ANY WARRANTY; without even the implied warranty of
Chris@1517: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
Chris@1517: # GNU General Public License for more details.
Chris@1517: #
Chris@1517: # You should have received a copy of the GNU General Public License
Chris@1517: # along with this program; if not, write to the Free Software
Chris@1517: # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
Chris@1517: 
Chris@1517: class WatchersController < ApplicationController
Chris@1517:   before_filter :require_login, :find_watchables, :only => [:watch, :unwatch]
Chris@1517: 
Chris@1517:   def watch
Chris@1517:     set_watcher(@watchables, User.current, true)
Chris@1517:   end
Chris@1517: 
Chris@1517:   def unwatch
Chris@1517:     set_watcher(@watchables, User.current, false)
Chris@1517:   end
Chris@1517: 
Chris@1517:   before_filter :find_project, :authorize, :only => [:new, :create, :append, :destroy, :autocomplete_for_user]
Chris@1517:   accept_api_auth :create, :destroy
Chris@1517: 
Chris@1517:   def new
Chris@1517:     @users = users_for_new_watcher
Chris@1517:   end
Chris@1517: 
Chris@1517:   def create
Chris@1517:     user_ids = []
Chris@1517:     if params[:watcher].is_a?(Hash)
Chris@1517:       user_ids << (params[:watcher][:user_ids] || params[:watcher][:user_id])
Chris@1517:     else
Chris@1517:       user_ids << params[:user_id]
Chris@1517:     end
Chris@1517:     user_ids.flatten.compact.uniq.each do |user_id|
Chris@1517:       Watcher.create(:watchable => @watched, :user_id => user_id)
Chris@1517:     end
Chris@1517:     respond_to do |format|
Chris@1517:       format.html { redirect_to_referer_or {render :text => 'Watcher added.', :layout => true}}
Chris@1517:       format.js { @users = users_for_new_watcher }
Chris@1517:       format.api { render_api_ok }
Chris@1517:     end
Chris@1517:   end
Chris@1517: 
Chris@1517:   def append
Chris@1517:     if params[:watcher].is_a?(Hash)
Chris@1517:       user_ids = params[:watcher][:user_ids] || [params[:watcher][:user_id]]
Chris@1517:       @users = User.active.where(:id => user_ids).all
Chris@1517:     end
Chris@1517:     if @users.blank?
Chris@1517:       render :nothing => true
Chris@1517:     end
Chris@1517:   end
Chris@1517: 
Chris@1517:   def destroy
Chris@1517:     @watched.set_watcher(User.find(params[:user_id]), false)
Chris@1517:     respond_to do |format|
Chris@1517:       format.html { redirect_to :back }
Chris@1517:       format.js
Chris@1517:       format.api { render_api_ok }
Chris@1517:     end
Chris@1517:   end
Chris@1517: 
Chris@1517:   def autocomplete_for_user
Chris@1517:     @users = users_for_new_watcher
Chris@1517:     render :layout => false
Chris@1517:   end
Chris@1517: 
Chris@1517:   private
Chris@1517: 
Chris@1517:   def find_project
Chris@1517:     if params[:object_type] && params[:object_id]
Chris@1517:       klass = Object.const_get(params[:object_type].camelcase)
Chris@1517:       return false unless klass.respond_to?('watched_by')
Chris@1517:       @watched = klass.find(params[:object_id])
Chris@1517:       @project = @watched.project
Chris@1517:     elsif params[:project_id]
Chris@1517:       @project = Project.visible.find_by_param(params[:project_id])
Chris@1517:     end
Chris@1517:   rescue
Chris@1517:     render_404
Chris@1517:   end
Chris@1517: 
Chris@1517:   def find_watchables
Chris@1517:     klass = Object.const_get(params[:object_type].camelcase) rescue nil
Chris@1517:     if klass && klass.respond_to?('watched_by')
Chris@1517:       @watchables = klass.where(:id => Array.wrap(params[:object_id])).all
Chris@1517:       raise Unauthorized if @watchables.any? {|w|
Chris@1517:         if w.respond_to?(:visible?)
Chris@1517:           !w.visible?
Chris@1517:         elsif w.respond_to?(:project) && w.project
Chris@1517:           !w.project.visible?
Chris@1517:         end
Chris@1517:       }
Chris@1517:     end
Chris@1517:     render_404 unless @watchables.present?
Chris@1517:   end
Chris@1517: 
Chris@1517:   def set_watcher(watchables, user, watching)
Chris@1517:     watchables.each do |watchable|
Chris@1517:       watchable.set_watcher(user, watching)
Chris@1517:     end
Chris@1517:     respond_to do |format|
Chris@1517:       format.html { redirect_to_referer_or {render :text => (watching ? 'Watcher added.' : 'Watcher removed.'), :layout => true}}
Chris@1517:       format.js { render :partial => 'set_watcher', :locals => {:user => user, :watched => watchables} }
Chris@1517:     end
Chris@1517:   end
Chris@1517: 
Chris@1517:   def users_for_new_watcher
Chris@1517:     users = []
Chris@1517:     if params[:q].blank? && @project.present?
Chris@1517:       users = @project.users.sorted
Chris@1517:     else
Chris@1517:       users = User.active.sorted.like(params[:q]).limit(100)
Chris@1517:     end
Chris@1517:     if @watched
Chris@1517:       users -= @watched.watcher_users
Chris@1517:     end
Chris@1517:     users
Chris@1517:   end
Chris@1517: end