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     $navlinks = array();
  39     $navlinks[] = array('name' => $strlesson, 'link' => "index.php?id=$course->id", 'type' => 'activity');
  40     $navlinks[] = array('name' => format_string($lesson->name,true), 'link' => "view.php?id=$cm->id", 'type' => 'activityinstance');
  41     $navlinks[] = array('name' => $strimportquestions, 'link' => '', 'type' => 'title');
  42
  43     $navigation = build_navigation($navlinks);
  44
  45     print_header_simple("$strimportquestions", " $strimportquestions", $navigation);
  46
  47     if ($form = data_submitted()) {   /// Filename
  48
  49         $form->format = clean_param($form->format, PARAM_SAFEDIR); // For safety
  50
  51         if (empty($_FILES['newfile'])) {      // file was just uploaded
  52             notify(get_string("uploadproblem") );
  53         }
  54
  55         if ((!is_uploaded_file($_FILES['newfile']['tmp_name']) or $_FILES['newfile']['size'] == 0)) {
  56             notify(get_string("uploadnofilefound") );
  57
  58         } else {  // Valid file is found
  59
  60             if (! is_readable("$CFG->dirroot/question/format/$form->format/format.php")) {
  61                 error("Format not known ($form->format)");
  62             }
  63
  64             require("format.php");  // Parent class
  65             require("$CFG->dirroot/question/format/$form->format/format.php");
  66
  67             $classname = "qformat_$form->format";
  68             $format = new $classname();
  69
  70             if (! $format->importpreprocess()) {             // Do anything before that we need to
  71                 error("Error occurred during pre-processing!");
  72             }
  73
  74             if (! $format->importprocess($_FILES['newfile']['tmp_name'], $lesson, $pageid)) {    // Process the uploaded file
  75                 error("Error occurred during processing!");
  76             }
  77
  78             if (! $format->importpostprocess()) {                     // In case anything needs to be done after
  79                 error("Error occurred during post-processing!");
  80             }
  81
  82             echo "<hr>";
  83             print_continue("view.php?id=$cm->id");
  84             print_footer($course);
  85             exit;
  86         }
  87     }
  88
  89     /// Print upload form
  90
  91     $fileformatnames = get_import_export_formats('import');
  92
  93     print_heading_with_help($strimportquestions, "import", "lesson");
  94
  95     print_simple_box_start("center");
  96     echo "<form enctype=\"multipart/form-data\" method=\"post\" action=\"import.php\">";
  97     echo "<input type=\"hidden\" name=\"id\" value=\"$cm->id\" />\n";
  98     echo "<input type=\"hidden\" name=\"pageid\" value=\"$pageid\" />\n";
  99     echo "<table cellpadding=\"5\">";
 100
 101     echo "<tr><td align=\"right\">";
 102     print_string("fileformat", "lesson");
 103     echo ":</td><td>";
 104     choose_from_menu($fileformatnames, "format", "gift", "");
 105     echo "</td></tr>";
 106
 107     echo "<tr><td align=\"right\">";
 108     print_string("upload");
 109     echo ":</td><td>";
 110     echo "<input name=\"newfile\" type=\"file\" size=\"50\" />";
 111     echo "</td></tr><tr><td>&nbsp;</td><td>";
 112     echo "<input type=\"submit\" name=\"save\" value=\"".get_string("uploadthisfile")."\" />";
 113     echo "</td></tr>";
 114
 115     echo "</table>";
 116     echo "</form>";
 117     print_simple_box_end();
 118
 119     print_footer($course);
 120
 121 ?>