SoundSoftware Code Site

# Redmine - project management software

# Copyright (C) 2006-2012  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]

  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

  end

  def create

    if params[:watcher].is_a?(Hash) && request.post?

      user_ids = params[:watcher][:user_ids] || [params[:watcher][:user_id]]

      user_ids.each do |user_id|

        Watcher.create(:watchable => @watched, :user_id => user_id)

      end

    end

    respond_to do |format|

      format.html { redirect_to_referer_or {render :text => 'Watcher added.', :layout => true}}

      format.js

    end

  end

  def append

    if params[:watcher].is_a?(Hash)

      user_ids = params[:watcher][:user_ids] || [params[:watcher][:user_id]]

      @users = User.active.find_all_by_id(user_ids)

    end

  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

    end

  end

  def autocomplete_for_user

    @users = User.active.like(params[:q]).find(:all, :limit => 100)

    if @watched

      @users -= @watched.watcher_users

    end

    render :layout => false

  end

private

  def find_project

    if params[:object_type] && params[:object_id]

      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

    elsif params[:project_id]

      @project = Project.visible.find_by_param(params[:project_id])

    end

  rescue

    render_404

  end

  def set_watcher(user, watching)

    @watched.set_watcher(user, watching)

    respond_to do |format|

      format.html { redirect_to_referer_or {render :text => (watching ? 'Watcher added.' : 'Watcher removed.'), :layout => true}}

      format.js { render :partial => 'set_watcher', :locals => {:user => user, :watched => @watched} }

    end

  end

end