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   1  <?php
   2  // This file is part of Moodle - http://moodle.org/
   3  //
   4  // Moodle is free software: you can redistribute it and/or modify
   5  // it under the terms of the GNU General Public License as published by
   6  // the Free Software Foundation, either version 3 of the License, or
   7  // (at your option) any later version.
   8  //
   9  // Moodle is distributed in the hope that it will be useful,
  10  // but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  // GNU General Public License for more details.
  13  //
  14  // You should have received a copy of the GNU General Public License
  15  // along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
  16  
  17  /**
  18   * Bulk course registration script from a comma separated file.
  19   *
  20   * @package    tool_uploadcourse
  21   * @copyright  2011 Piers Harding
  22   * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  23   */
  24  
  25  require(__DIR__ . '/../../../config.php');
  26  require_once($CFG->libdir . '/adminlib.php');
  27  require_once($CFG->libdir . '/coursecatlib.php');
  28  require_once($CFG->libdir . '/csvlib.class.php');
  29  
  30  admin_externalpage_setup('tooluploadcourse');
  31  
  32  $importid         = optional_param('importid', '', PARAM_INT);
  33  $previewrows = optional_param('previewrows', 10, PARAM_INT);
  34  
  35  $returnurl = new moodle_url('/admin/tool/uploadcourse/index.php');
  36  
  37  if (empty($importid)) {
  38      $mform1 = new tool_uploadcourse_step1_form();
  39      if ($form1data = $mform1->get_data()) {
  40          $importid = csv_import_reader::get_new_iid('uploadcourse');
  41          $cir = new csv_import_reader($importid, 'uploadcourse');
  42          $content = $mform1->get_file_content('coursefile');
  43          $readcount = $cir->load_csv_content($content, $form1data->encoding, $form1data->delimiter_name);
  44          unset($content);
  45          if ($readcount === false) {
  46              print_error('csvfileerror', 'tool_uploadcourse', $returnurl, $cir->get_error());
  47          } else if ($readcount == 0) {
  48              print_error('csvemptyfile', 'error', $returnurl, $cir->get_error());
  49          }
  50      } else {
  51          echo $OUTPUT->header();
  52          echo $OUTPUT->heading_with_help(get_string('uploadcourses', 'tool_uploadcourse'), 'uploadcourses', 'tool_uploadcourse');
  53          $mform1->display();
  54          echo $OUTPUT->footer();
  55          die();
  56      }
  57  } else {
  58      $cir = new csv_import_reader($importid, 'uploadcourse');
  59  }
  60  
  61  // Data to set in the form.
  62  $data = array('importid' => $importid, 'previewrows' => $previewrows);
  63  if (!empty($form1data)) {
  64      // Get options from the first form to pass it onto the second.
  65      foreach ($form1data->options as $key => $value) {
  66          $data["options[$key]"] = $value;
  67      }
  68  }
  69  $context = context_system::instance();
  70  $mform2 = new tool_uploadcourse_step2_form(null, array('contextid' => $context->id, 'columns' => $cir->get_columns(),
  71      'data' => $data));
  72  
  73  // If a file has been uploaded, then process it.
  74  if ($form2data = $mform2->is_cancelled()) {
  75      $cir->cleanup(true);
  76      redirect($returnurl);
  77  } else if ($form2data = $mform2->get_data()) {
  78  
  79      $options = (array) $form2data->options;
  80      $defaults = (array) $form2data->defaults;
  81  
  82      // Restorefile deserves its own logic because formslib does not really appreciate
  83      // when the name of a filepicker is an array...
  84      $options['restorefile'] = '';
  85      if (!empty($form2data->restorefile)) {
  86          $options['restorefile'] = $mform2->save_temp_file('restorefile');
  87      }
  88      $processor = new tool_uploadcourse_processor($cir, $options, $defaults);
  89  
  90      echo $OUTPUT->header();
  91      if (isset($form2data->showpreview)) {
  92          echo $OUTPUT->heading(get_string('uploadcoursespreview', 'tool_uploadcourse'));
  93          $processor->preview($previewrows, new tool_uploadcourse_tracker(tool_uploadcourse_tracker::OUTPUT_HTML));
  94          $mform2->display();
  95      } else {
  96          echo $OUTPUT->heading(get_string('uploadcoursesresult', 'tool_uploadcourse'));
  97          $processor->execute(new tool_uploadcourse_tracker(tool_uploadcourse_tracker::OUTPUT_HTML));
  98          echo $OUTPUT->continue_button($returnurl);
  99      }
 100  
 101      // Deleting the file after processing or preview.
 102      if (!empty($options['restorefile'])) {
 103          @unlink($options['restorefile']);
 104      }
 105  
 106  } else {
 107      $processor = new tool_uploadcourse_processor($cir, $form1data->options, array());
 108      echo $OUTPUT->header();
 109      echo $OUTPUT->heading(get_string('uploadcoursespreview', 'tool_uploadcourse'));
 110      $processor->preview($previewrows, new tool_uploadcourse_tracker(tool_uploadcourse_tracker::OUTPUT_HTML));
 111      $mform2->display();
 112  }
 113  
 114  echo $OUTPUT->footer();