mod/lesson/import.php

   1 <?php // $Id$
   2 /**
   3  * Imports lesson pages
   4  *
   5  * @version $Id$
   6  * @license http://www.gnu.org/copyleft/gpl.html GNU Public License
   7  * @package lesson
   8  **/
   9
  10     require_once("../../config.php");
  11     require_once("lib.php");
  12     require_once("locallib.php");
  13     require_once($CFG->libdir.'/questionlib.php');
  14
  15     $id     = required_param('id', PARAM_INT);         // Course Module ID
  16     $pageid = optional_param('pageid', '', PARAM_INT); // Page ID
  17
  18     if (! $cm = get_coursemodule_from_id('lesson', $id)) {
  19         error("Course Module ID was incorrect");
  20     }
  21
  22     if (! $course = get_record("course", "id", $cm->course)) {
  23         error("Course is misconfigured");
  24     }
  25
  26     if (! $lesson = get_record("lesson", "id", $cm->instance)) {
  27         error("Course module is incorrect");
  28     }
  29
  30
  31     require_login($course->id, false, $cm);
  32     $context = get_context_instance(CONTEXT_MODULE, $cm->id);
  33     require_capability('mod/lesson:edit', $context);
  34
  35     $strimportquestions = get_string("importquestions", "lesson");
  36     $strlessons = get_string("modulenameplural", "lesson");
  37
  38     $navigation = build_navigation($strimportquestions, $cm);
  39     print_header_simple("$strimportquestions", " $strimportquestions", $navigation);
  40
  41     if ($form = data_submitted()) {   /// Filename
  42
  43         $form->format = clean_param($form->format, PARAM_SAFEDIR); // For safety
  44
  45         if (empty($_FILES['newfile'])) {      // file was just uploaded
  46             notify(get_string("uploadproblem") );
  47         }
  48
  49         if ((!is_uploaded_file($_FILES['newfile']['tmp_name']) or $_FILES['newfile']['size'] == 0)) {
  50             notify(get_string("uploadnofilefound") );
  51
  52         } else {  // Valid file is found
  53
  54             if (! is_readable("$CFG->dirroot/question/format/$form->format/format.php")) {
  55                 error("Format not known ($form->format)");
  56             }
  57
  58             require("format.php");  // Parent class
  59             require("$CFG->dirroot/question/format/$form->format/format.php");
  60
  61             $classname = "qformat_$form->format";
  62             $format = new $classname();
  63
  64             if (! $format->importpreprocess()) {             // Do anything before that we need to
  65                 error("Error occurred during pre-processing!");
  66             }
  67
  68             if (! $format->importprocess($_FILES['newfile']['tmp_name'], $lesson, $pageid)) {    // Process the uploaded file
  69                 error("Error occurred during processing!");
  70             }
  71
  72             if (! $format->importpostprocess()) {                     // In case anything needs to be done after
  73                 error("Error occurred during post-processing!");
  74             }
  75
  76             echo "<hr>";
  77             print_continue("view.php?id=$cm->id");
  78             print_footer($course);
  79             exit;
  80         }
  81     }
  82
  83     /// Print upload form
  84
  85     $fileformatnames = get_import_export_formats('import');
  86
  87     print_heading_with_help($strimportquestions, "import", "lesson");
  88
  89     print_simple_box_start("center");
  90     echo "<form enctype=\"multipart/form-data\" method=\"post\" action=\"import.php\">";
  91     echo "<input type=\"hidden\" name=\"id\" value=\"$cm->id\" />\n";
  92     echo "<input type=\"hidden\" name=\"pageid\" value=\"$pageid\" />\n";
  93     echo "<table cellpadding=\"5\">";
  94
  95     echo "<tr><td align=\"right\">";
  96     print_string("fileformat", "lesson");
  97     echo ":</td><td>";
  98     choose_from_menu($fileformatnames, "format", "gift", "");
  99     echo "</td></tr>";
 100
 101     echo "<tr><td align=\"right\">";
 102     print_string("upload");
 103     echo ":</td><td>";
 104     echo "<input name=\"newfile\" type=\"file\" size=\"50\" />";
 105     echo "</td></tr><tr><td>&nbsp;</td><td>";
 106     echo "<input type=\"submit\" name=\"save\" value=\"".get_string("uploadthisfile")."\" />";
 107     echo "</td></tr>";
 108
 109     echo "</table>";
 110     echo "</form>";
 111     print_simple_box_end();
 112
 113     print_footer($course);
 114
 115 ?>