<?php

/*
 +--------------------------------------------------------------------+
 | CiviCRM version 4.0                                                |
 +--------------------------------------------------------------------+
 | Copyright CiviCRM LLC (c) 2004-2011                                |
 +--------------------------------------------------------------------+
 | This file is a part of CiviCRM.                                    |
 |                                                                    |
 | CiviCRM is free software; you can copy, modify, and distribute it  |
 | under the terms of the GNU Affero General Public License           |
 | Version 3, 19 November 2007 and the CiviCRM Licensing Exception.   |
 |                                                                    |
 | CiviCRM 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 Affero General Public License for more details.        |
 |                                                                    |
 | You should have received a copy of the GNU Affero General Public   |
 | License and the CiviCRM Licensing Exception along                  |
 | with this program; if not, contact CiviCRM LLC                     |
 | at info[AT]civicrm[DOT]org. If you have questions about the        |
 | GNU Affero General Public License or the licensing of CiviCRM,     |
 | see the CiviCRM license FAQ at http://civicrm.org/licensing        |
 +--------------------------------------------------------------------+
*/

/**
 *
 * @package CRM
 * @copyright CiviCRM LLC (c) 2004-2011
 * $Id$
 *
 */

/** 
 * this file contains functions to manage and manipulate task status
 */


require_once 'CRM/Project/DAO/TaskStatus.php';

class CRM_Project_BAO_TaskStatus {

    static function &getTaskStatusInitial( &$controller,
                                           $ret, $reid,
                                           $tet, $teid,
                                           $taskID,
                                           $prefix = 'taskStatus',
                                           $statusDetail = true ) {

        $taskStatusID = $controller->get( "{$prefix}ID" );
        $taskStatus   = $controller->get( $prefix       );
        
        if ( ! $taskStatusID ) {
            // cache the status
            require_once 'CRM/Core/OptionGroup.php';
            $status =& CRM_Core_OptionGroup::values( 'task_status', true );

            // get the task status object, if not there create one
            require_once 'CRM/Project/DAO/TaskStatus.php';
            $dao = new CRM_Project_DAO_TaskStatus( );
            $dao->responsible_entity_table = $ret;
            $dao->responsible_entity_id    = $reid;
            $dao->target_entity_table      = $tet;
            $dao->target_entity_id         = $teid;
            $dao->task_id                  = $taskID;
        
            if ( ! $dao->find( true ) ) {
                $dao->create_date = date( 'YmdHis' );
                $dao->status_id   = $status['Not Started'];
                $dao->save( );
            }

            if ( $statusDetail && $dao->status_detail ) {
                $data =& $controller->container( );
                $data['valid'] = unserialize( $dao->status_detail );
            }
            $controller->set( "{$prefix}ID", $dao->id );

            $taskStatus = array_search( $dao->status_id, $status );
            $controller->set( $prefix, $taskStatus );
        }

        $controller->assign( $prefix, $taskStatus );

        return array( $taskStatusID, $taskStatus );
    }

    static function updateTaskStatus( &$form,
                                      $prefix = 'taskStatus',
                                      $statusDetail = true ) {

        // update the task record
        require_once 'CRM/Project/DAO/TaskStatus.php';
        $dao = new CRM_Project_DAO_TaskStatus( );
        $dao->id = $form->get( "{$prefix}ID" );
        if ( ! $dao->id || ! $dao->find( true ) ) {
            CRM_Core_Error::fatal( "The task status table is inconsistent" );
        }
        
        $status =& CRM_Core_OptionGroup::values( 'task_status', true );
        if ( $form->controller->isApplicationComplete( ) ) {
            $dao->status_id = $status['Completed'];
            $form->set( $prefix, 'Completed' );
        } else {
            $dao->status_id = $status['In Progress'];
            $form->set( $prefix, 'In Progress' );
        }

        $dao->create_date   = CRM_Utils_Date::isoToMysql( $dao->create_date );
        $dao->modified_date = date( 'YmdHis' );
        
        if ( $statusDetail ) {
            // now save all the valid values to fool QFC
            $data =& $form->controller->container( );
            // CRM_Core_Error::debug( 'd', $data );
            $dao->status_detail = serialize( $data['valid'] );
        }

        $dao->save( );
    }

    static function updateTaskStatusWithValue( &$form,
                                               $value  = 'In Progress',
                                               $prefix = 'taskStatus' ) {

        // update the task record
        require_once 'CRM/Project/DAO/TaskStatus.php';
        $dao = new CRM_Project_DAO_TaskStatus( );
        $dao->id = $form->get( "{$prefix}ID" );
        if ( ! $dao->id || ! $dao->find( true ) ) {
            CRM_Core_Error::fatal( "The task status table is inconsistent" );
        }
        
        $status =& CRM_Core_OptionGroup::values( 'task_status', true );
        $dao->status_id = $status[$value];
        $form->set( $prefix, $value );

        $dao->create_date   = CRM_Utils_Date::isoToMysql( $dao->create_date );
        $dao->modified_date = date( 'YmdHis' );
        
        $dao->save( );
    }

    /**
     * Function to set the task status of various tasks
     *
     * @param array  $params        associated array
     *
     * @static
     * @return returns task status object
     */
    static function create( &$params )
    {
        if (!$params['target_entity_id'] || !$params['responsible_entity_id'] 
            || !$params['task_id'] || ! $params['status_id'] ) {
            return null;
        }
        
        if (!$params['target_entity_table'] ) {
            $params['target_entity_table'] = 'civicrm_contact';
        }

        if (!$params['responsible_entity_table']) {
            $params['responsible_entity_table'] = 'civicrm_contact';
        }
        
        require_once 'CRM/Project/DAO/TaskStatus.php';
        $dao = new CRM_Project_DAO_TaskStatus( );
        $dao->target_entity_id         = $params['target_entity_id'];
        $dao->responsible_entity_id    = $params['responsible_entity_id'];
        $dao->target_entity_table      = $params['target_entity_table'];
        $dao->responsible_entity_table = $params['responsible_entity_table'];
        $dao->task_id                  = $params['task_id'];

        if ( $dao->find( true ) ) {
            $dao->create_date   = CRM_Utils_Date::isoToMysql( $dao->create_date );
        } else {
            $dao->create_date   = date( 'YmdHis' );
        }
        $dao->modified_date = date( 'YmdHis' );
        $dao->status_id     = $params['status_id'];

        return $dao->save();
    }
    
}