library/validation/LBF_Validation.php

   1 <?php
   2 /**
   3  * LICENSE: This program is free software; you can redistribute it and/or
   4  * modify it under the terms of the GNU General Public License
   5  * as published by the Free Software Foundation; either version 3
   6  * of the License, or (at your option) any later version.
   7  * This program is distributed in the hope that it will be useful,
   8  * but WITHOUT ANY WARRANTY; without even the implied warranty of
   9  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  10  * GNU General Public License for more details.
  11  * You should have received a copy of the GNU General Public License
  12  * along with this program. If not, see
  13  * http://www.gnu.org/licenses/licenses.html#GPL .
  14  *
  15  * @package OpenEMR
  16  * @license http://www.gnu.org/licenses/licenses.html#GPL GNU GPL V3+
  17  * @author  Sharon Cohen <sharonco@matrix.co.il>
  18  * @author  Amiel Elboim <amielel@matrix.co.il>
  19  * @link    http://www.open-emr.org
  20  */
  21
  22 class LBF_Validation
  23 {
  24
  25     /*If another library is used the key names can be modified here*/
  26     const VJS_KEY_REQUIRED = 'presence';
  27     /*
  28  * Function to generate the constraints used in validation.js library
  29  * Using the data save in layout options validation
  30  */
  31     public static function generate_validate_constraints($form_id)
  32     {
  33         //to prevent an empty form id error do :
  34         if (!$form_id || $form_id=='') {
  35             return json_encode(array());
  36         }
  37
  38         $fres = sqlStatement(
  39             "SELECT layout_options.*,list_options.notes as validation_json
  40               FROM layout_options
  41               LEFT JOIN list_options ON layout_options.validation = list_options.option_id AND list_options.list_id = 'LBF_Validations' AND list_options.activity = 1
  42               WHERE layout_options.form_id = ? AND layout_options.uor > 0 AND layout_options.field_id != ''
  43               ORDER BY layout_options.group_id, layout_options.seq ",
  44             array($form_id)
  45         );
  46         $constraints=array();
  47         $validation_arr=array();
  48         $required=array();
  49         while ($frow = sqlFetchArray($fres)) {
  50             $id = 'form_'.$frow['field_id'];
  51             $validation_arr=array();
  52             $required=array();
  53             //Keep "required" option from the LBF form
  54             if ($frow['uor'] == 2) {
  55                 $required = array(self::VJS_KEY_REQUIRED=>true);
  56             }
  57
  58             if ($frow['validation_json']) {
  59                 if (json_decode($frow['validation_json'])) {
  60                     $validation_arr=json_decode($frow['validation_json'], true);
  61                 } else {
  62                     trigger_error($frow['validation_json']. " is not a valid json ", E_USER_WARNING);
  63                 }
  64             }
  65
  66             if (!empty($required) || !empty($validation_arr)) {
  67                 $constraints[$id] = array_merge($required, $validation_arr);
  68             }
  69         }
  70
  71         return json_encode($constraints);
  72     }
  73 }