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   1  <?php
   2  
   3  // This file is part of Moodle - http://moodle.org/
   4  //
   5  // Moodle is free software: you can redistribute it and/or modify
   6  // it under the terms of the GNU General Public License as published by
   7  // the Free Software Foundation, either version 3 of the License, or
   8  // (at your option) any later version.
   9  //
  10  // Moodle is distributed in the hope that it will be useful,
  11  // but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  // GNU General Public License for more details.
  14  //
  15  // You should have received a copy of the GNU General Public License
  16  // along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
  17  
  18  /**
  19   * This file is part of the Database module for Moodle
  20   *
  21   * @copyright 2005 Martin Dougiamas  http://dougiamas.com
  22   * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  23   * @package mod_data
  24   */
  25  
  26  require_once('../../config.php');
  27  require_once ('lib.php');
  28  require_once ('export_form.php');
  29  
  30  // database ID
  31  $d = required_param('d', PARAM_INT);
  32  $exportuser = optional_param('exportuser', false, PARAM_BOOL); // Flag for exporting user details
  33  $exporttime = optional_param('exporttime', false, PARAM_BOOL); // Flag for exporting date/time information
  34  $exportapproval = optional_param('exportapproval', false, PARAM_BOOL); // Flag for exporting user details
  35  
  36  $PAGE->set_url('/mod/data/export.php', array('d'=>$d));
  37  
  38  if (! $data = $DB->get_record('data', array('id'=>$d))) {
  39      print_error('wrongdataid', 'data');
  40  }
  41  
  42  if (! $cm = get_coursemodule_from_instance('data', $data->id, $data->course)) {
  43      print_error('invalidcoursemodule');
  44  }
  45  
  46  if(! $course = $DB->get_record('course', array('id'=>$cm->course))) {
  47      print_error('invalidcourseid');
  48  }
  49  
  50  // fill in missing properties needed for updating of instance
  51  $data->course     = $cm->course;
  52  $data->cmidnumber = $cm->idnumber;
  53  $data->instance   = $cm->instance;
  54  
  55  $context = context_module::instance($cm->id);
  56  
  57  require_login($course, false, $cm);
  58  require_capability(DATA_CAP_EXPORT, $context);
  59  
  60  // get fields for this database
  61  $fieldrecords = $DB->get_records('data_fields', array('dataid'=>$data->id), 'id');
  62  
  63  if(empty($fieldrecords)) {
  64      if (has_capability('mod/data:managetemplates', $context)) {
  65          redirect($CFG->wwwroot.'/mod/data/field.php?d='.$data->id);
  66      } else {
  67          print_error('nofieldindatabase', 'data');
  68      }
  69  }
  70  
  71  // populate objets for this databases fields
  72  $fields = array();
  73  foreach ($fieldrecords as $fieldrecord) {
  74      $fields[]= data_get_field($fieldrecord, $data);
  75  }
  76  
  77  
  78  $mform = new mod_data_export_form('export.php?d='.$data->id, $fields, $cm, $data);
  79  
  80  if($mform->is_cancelled()) {
  81      redirect('view.php?d='.$data->id);
  82  } elseif (!$formdata = (array) $mform->get_data()) {
  83      // build header to match the rest of the UI
  84      $PAGE->set_title($data->name);
  85      $PAGE->set_heading($course->fullname);
  86      echo $OUTPUT->header();
  87      echo $OUTPUT->heading(format_string($data->name), 2);
  88      echo $OUTPUT->box(format_module_intro('data', $data, $cm->id), 'generalbox', 'intro');
  89  
  90      $url = new moodle_url('/mod/data/export.php', array('d' => $d));
  91      groups_print_activity_menu($cm, $url);
  92  
  93      // these are for the tab display
  94      $currentgroup = groups_get_activity_group($cm);
  95      $groupmode = groups_get_activity_groupmode($cm);
  96      $currenttab = 'export';
  97      include ('tabs.php');
  98      $mform->display();
  99      echo $OUTPUT->footer();
 100      die;
 101  }
 102  
 103  $selectedfields = array();
 104  foreach ($formdata as $key => $value) {
 105      //field form elements are field_1 field_2 etc. 0 if not selected. 1 if selected.
 106      if (strpos($key, 'field_')===0 && !empty($value)) {
 107          $selectedfields[] = substr($key, 6);
 108      }
 109  }
 110  
 111  $currentgroup = groups_get_activity_group($cm);
 112  
 113  $exportdata = data_get_exportdata($data->id, $fields, $selectedfields, $currentgroup, $context,
 114                                    $exportuser, $exporttime, $exportapproval);
 115  $count = count($exportdata);
 116  switch ($formdata['exporttype']) {
 117      case 'csv':
 118          data_export_csv($exportdata, $formdata['delimiter_name'], $data->name, $count);
 119          break;
 120      case 'xls':
 121          data_export_xls($exportdata, $data->name, $count);
 122          break;
 123      case 'ods':
 124          data_export_ods($exportdata, $data->name, $count);
 125          break;
 126  }
 127  
 128  die();