mod/lesson/import.php

   1 <?PHP // $Id$
   2       // Import quiz questions into the given category
   3
   4     require_once("../../config.php");
   5     require_once("lib.php");
   6
   7     $id     = required_param('id', PARAM_INT);         // Course Module ID
   8     $pageid = optional_param('pageid', '', PARAM_INT); // Page ID
   9
  10     if (! $cm = get_record("course_modules", "id", $id)) {
  11         error("Course Module ID was incorrect");
  12     }
  13
  14     if (! $course = get_record("course", "id", $cm->course)) {
  15         error("Course is misconfigured");
  16     }
  17
  18     if (! $lesson = get_record("lesson", "id", $cm->instance)) {
  19         error("Course module is incorrect");
  20     }
  21
  22
  23     require_login($course->id, false);
  24
  25     if (!isteacher($course->id)) {
  26         error("Only the teacher can import questions!");
  27     }
  28
  29     $strimportquestions = get_string("importquestions", "lesson");
  30     $strlessons = get_string("modulenameplural", "lesson");
  31
  32     print_header_simple("$strimportquestions", " $strimportquestions",
  33                  "<a href=index.php?id=$course->id>$strlessons</a> -> <a href=\"view.php?id=$cm->id\">".format_string($lesson->name,true)."</a>-> $strimportquestions");
  34
  35     if ($form = data_submitted()) {   /// Filename
  36
  37         $form->format = clean_filename($form->format); // For safety
  38
  39         if (empty($_FILES['newfile'])) {      // file was just uploaded
  40             notify(get_string("uploadproblem") );
  41         }
  42
  43         if ((!is_uploaded_file($_FILES['newfile']['tmp_name']) or $_FILES['newfile']['size'] == 0)) {
  44             notify(get_string("uploadnofilefound") );
  45
  46         } else {  // Valid file is found
  47
  48             if (! is_readable("../quiz/format/$form->format/format.php")) {
  49                 error("Format not known ($form->format)");
  50             }
  51
  52             require("format.php");  // Parent class
  53             require("$CFG->dirroot/mod/quiz/lib.php"); // for the constants used in quiz/format/<format>/format.php
  54             require("$CFG->dirroot/mod/quiz/format/$form->format/format.php");
  55
  56             $format = new quiz_file_format();
  57
  58             if (! $format->importpreprocess()) {             // Do anything before that we need to
  59                 error("Error occurred during pre-processing!");
  60             }
  61
  62             if (! $format->importprocess($_FILES['newfile']['tmp_name'], $lesson, $pageid)) {    // Process the uploaded file
  63                 error("Error occurred during processing!");
  64             }
  65
  66             if (! $format->importpostprocess()) {                     // In case anything needs to be done after
  67                 error("Error occurred during post-processing!");
  68             }
  69
  70             echo "<hr>";
  71             print_continue("view.php?id=$cm->id");
  72             print_footer($course);
  73             exit;
  74         }
  75     }
  76
  77     /// Print upload form
  78
  79     $fileformats = get_list_of_plugins("mod/quiz/format");
  80     $fileformatname = array();
  81     foreach ($fileformats as $key => $fileformat) {
  82         $formatname = get_string($fileformat, 'lesson');
  83         if ($formatname == "[[$fileformat]]") {
  84             $formatname = $fileformat;  // Just use the raw folder name
  85         }
  86         $fileformatnames[$fileformat] = $formatname;
  87     }
  88     natcasesort($fileformatnames);
  89
  90
  91     print_heading_with_help($strimportquestions, "import", "lesson");
  92
  93     print_simple_box_start("center");
  94     echo "<form enctype=\"multipart/form-data\" method=\"post\" action=import.php>";
  95     echo "<input type=\"hidden\" name=\"id\" value=\"$cm->id\">\n";
  96     echo "<input type=\"hidden\" name=\"pageid\" value=\"$pageid\">\n";
  97     echo "<table cellpadding=5>";
  98
  99     echo "<tr><td align=right>";
 100     print_string("fileformat", "lesson");
 101     echo ":</td><td>";
 102     choose_from_menu($fileformatnames, "format", "gift", "");
 103     echo "</tr>";
 104
 105     echo "<tr><td align=right>";
 106     print_string("upload");
 107     echo ":</td><td>";
 108     echo " <input name=\"newfile\" type=\"file\" size=\"50\">";
 109     echo "</tr><tr><td>&nbsp;</td><td>";
 110     echo " <input type=submit name=save value=\"".get_string("uploadthisfile")."\">";
 111     echo "</td></tr>";
 112
 113     echo "</table>";
 114     echo "</form>";
 115     print_simple_box_end();
 116
 117     print_footer($course);
 118
 119 ?>