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);
  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     $crumbs[] = array('name' => $strlesson, 'link' => "index.php?id=$course->id", 'type' => 'activity');
  39     $crumbs[] = array('name' => format_string($lesson->name,true), 'link' => "view.php?id=$cm->id", 'type' => 'activityinstance');
  40     $crumbs[] = array('name' => $strimportquestions, 'link' => '', 'type' => 'title');
  41
  42     $navigation = build_navigation($crumbs);
  43
  44     print_header_simple("$strimportquestions", " $strimportquestions", $navigation);
  45
  46     if ($form = data_submitted()) {   /// Filename
  47
  48         $form->format = clean_param($form->format, PARAM_SAFEDIR); // For safety
  49
  50         if (empty($_FILES['newfile'])) {      // file was just uploaded
  51             notify(get_string("uploadproblem") );
  52         }
  53
  54         if ((!is_uploaded_file($_FILES['newfile']['tmp_name']) or $_FILES['newfile']['size'] == 0)) {
  55             notify(get_string("uploadnofilefound") );
  56
  57         } else {  // Valid file is found
  58
  59             if (! is_readable("$CFG->dirroot/question/format/$form->format/format.php")) {
  60                 error("Format not known ($form->format)");
  61             }
  62
  63             require("format.php");  // Parent class
  64             require("$CFG->dirroot/question/format/$form->format/format.php");
  65
  66             $classname = "qformat_$form->format";
  67             $format = new $classname();
  68
  69             if (! $format->importpreprocess()) {             // Do anything before that we need to
  70                 error("Error occurred during pre-processing!");
  71             }
  72
  73             if (! $format->importprocess($_FILES['newfile']['tmp_name'], $lesson, $pageid)) {    // Process the uploaded file
  74                 error("Error occurred during processing!");
  75             }
  76
  77             if (! $format->importpostprocess()) {                     // In case anything needs to be done after
  78                 error("Error occurred during post-processing!");
  79             }
  80
  81             echo "<hr>";
  82             print_continue("view.php?id=$cm->id");
  83             print_footer($course);
  84             exit;
  85         }
  86     }
  87
  88     /// Print upload form
  89
  90     $fileformatnames = get_import_export_formats('import');
  91
  92     print_heading_with_help($strimportquestions, "import", "lesson");
  93
  94     print_simple_box_start("center");
  95     echo "<form enctype=\"multipart/form-data\" method=\"post\" action=\"import.php\">";
  96     echo "<input type=\"hidden\" name=\"id\" value=\"$cm->id\" />\n";
  97     echo "<input type=\"hidden\" name=\"pageid\" value=\"$pageid\" />\n";
  98     echo "<table cellpadding=\"5\">";
  99
 100     echo "<tr><td align=\"right\">";
 101     print_string("fileformat", "lesson");
 102     echo ":</td><td>";
 103     choose_from_menu($fileformatnames, "format", "gift", "");
 104     echo "</td></tr>";
 105
 106     echo "<tr><td align=\"right\">";
 107     print_string("upload");
 108     echo ":</td><td>";
 109     echo "<input name=\"newfile\" type=\"file\" size=\"50\" />";
 110     echo "</td></tr><tr><td>&nbsp;</td><td>";
 111     echo "<input type=\"submit\" name=\"save\" value=\"".get_string("uploadthisfile")."\" />";
 112     echo "</td></tr>";
 113
 114     echo "</table>";
 115     echo "</form>";
 116     print_simple_box_end();
 117
 118     print_footer($course);
 119
 120 ?>