1  # Redmine - project management software
   2  # Copyright (C) 2006-2011  Jean-Philippe Lang
   3  #
   4  # This program is free software; you can redistribute it and/or
   5  # modify it under the terms of the GNU General Public License
   6  # as published by the Free Software Foundation; either version 2
   7  # of the License, or (at your option) any later version.
   8  #
   9  # This program is distributed in the hope that it will be useful,
  10  # but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  # GNU General Public License for more details.
  13  #
  14  # You should have received a copy of the GNU General Public License
  15  # along with this program; if not, write to the Free Software
  16  # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  17 
  18  class WatchersController < ApplicationController
  19    before_filter :find_project
  20    before_filter :require_login, :check_project_privacy, :only => [:watch, :unwatch]
  21    before_filter :authorize, :only => [:new, :destroy]
  22 
  23    def watch
  24      if @watched.respond_to?(:visible?) && !@watched.visible?(User.current)
  25        render_403
  26      else
  27        set_watcher(User.current, true)
  28      end
  29    end
  30 
  31    def unwatch
  32      set_watcher(User.current, false)
  33    end
  34 
  35    def new
  36      respond_to do |format|
  37        format.js do
  38          render :update do |page|
  39            page.replace_html 'ajax-modal', :partial => 'watchers/new', :locals => {:watched => @watched}
  40            page << "showModal('ajax-modal', '400px');"
  41            page << "$('ajax-modal').addClassName('new-watcher');"
  42          end
  43        end
  44      end
  45    end
  46 
  47    def create
  48      if params[:watcher].is_a?(Hash) && request.post?
  49        user_ids = params[:watcher][:user_ids] || [params[:watcher][:user_id]]
  50        user_ids.each do |user_id|
  51          Watcher.create(:watchable => @watched, :user_id => user_id)
  52        end
  53      end
  54      respond_to do |format|
  55        format.html { redirect_to :back }
  56        format.js do
  57          render :update do |page|
  58            page.replace_html 'ajax-modal', :partial => 'watchers/new', :locals => {:watched => @watched}
  59            page.replace_html 'watchers', :partial => 'watchers/watchers', :locals => {:watched => @watched}
  60          end
  61        end
  62      end
  63    rescue ::ActionController::RedirectBackError
  64      render :text => 'Watcher added.', :layout => true
  65    end
  66 
  67    def append
  68      if params[:watcher].is_a?(Hash)
  69        user_ids = params[:watcher][:user_ids] || [params[:watcher][:user_id]]
  70        users = User.active.find_all_by_id(user_ids)
  71        respond_to do |format|
  72          format.js do
  73            render :update do |page|
  74              users.each do |user|
  75                page.select("#issue_watcher_user_ids_#{user.id}").each do |item|
  76                  page.remove item
  77                end
  78              end
  79              page.insert_html :bottom, 'watchers_inputs', :text => watchers_checkboxes(nil, users, true)
  80            end
  81          end
  82        end
  83      end
  84    end
  85 
  86    def destroy
  87      @watched.set_watcher(User.find(params[:user_id]), false) if request.post?
  88      respond_to do |format|
  89        format.html { redirect_to :back }
  90        format.js do
  91          render :update do |page|
  92            page.replace_html 'watchers', :partial => 'watchers/watchers', :locals => {:watched => @watched}
  93          end
  94        end
  95      end
  96    end
  97 
  98    def autocomplete_for_user
  99      @users = User.active.like(params[:q]).find(:all, :limit => 100)
 100      if @watched
 101        @users -= @watched.watcher_users
 102      end
 103      render :layout => false
 104    end
 105 
 106  private
 107    def find_project
 108      if params[:object_type] && params[:object_id]
 109        klass = Object.const_get(params[:object_type].camelcase)
 110        return false unless klass.respond_to?('watched_by')
 111        @watched = klass.find(params[:object_id])
 112        @project = @watched.project
 113      elsif params[:project_id]
 114        @project = Project.visible.find(params[:project_id])
 115      end
 116    rescue
 117      render_404
 118    end
 119 
 120    def set_watcher(user, watching)
 121      @watched.set_watcher(user, watching)
 122      respond_to do |format|
 123        format.html { redirect_to :back }
 124        format.js do
 125          render(:update) do |page|
 126            c = watcher_css(@watched)
 127            page.select(".#{c}").each do |item|
 128              page.replace_html item, watcher_link(@watched, user)
 129            end
 130          end
 131        end
 132      end
 133    rescue ::ActionController::RedirectBackError
 134      render :text => (watching ? 'Watcher added.' : 'Watcher removed.'), :layout => true
 135    end
 136  end