redmine/app/controllers/auto_completes_controller.rb

# 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 AutoCompletesController < ApplicationController
  before_filter :find_project

  def issues
    @issues = []
    q = params[:q].to_s
    query = (params[:scope] == "all" && Setting.cross_project_issue_relations?) ? Issue : @project.issues
    if q.match(/^\d+$/)
      @issues << query.visible.find_by_id(q.to_i)
    end
    unless q.blank?
      @issues += query.visible.find(:all, :conditions => ["LOWER(#{Issue.table_name}.subject) LIKE ?", "%#{q.downcase}%"], :limit => 10)
    end
    @issues.compact!
    render :layout => false
  end

  private

  def find_project
    project_id = (params[:issue] && params[:issue][:project_id]) || params[:project_id]
    @project = Project.find(project_id)
  rescue ActiveRecord::RecordNotFound
    render_404
  end

end