course/view.php

   1 <?PHP // $Id$
   2
   3 //  Display the course home page.
   4
   5     require_once("../config.php");
   6     require_once("lib.php");
   7
   8     optional_variable($id);
   9     optional_variable($name);
  10
  11     if (!$id and !$name) {
  12         error("Must specify course id or short name");
  13     }
  14
  15     if ($name) {
  16         if (! $course = get_record("course", "shortname", $name) ) {
  17             error("That's an invalid short course name");
  18         }
  19     } else {
  20         if (! $course = get_record("course", "id", $id) ) {
  21             error("That's an invalid course id");
  22         }
  23     }
  24
  25     require_login($course->id);
  26
  27     add_to_log($course->id, "course", "view", "view.php?id=$course->id", "$course->id");
  28
  29     if (isteacheredit($course->id)) {
  30         if (isset($edit)) {
  31             if ($edit == "on") {
  32                 $USER->editing = true;
  33             } else if ($edit == "off") {
  34                 $USER->editing = false;
  35             }
  36         }
  37
  38         if (isset($hide)) {
  39             set_section_visible($course->id, $hide, "0");
  40         }
  41
  42         if (isset($show)) {
  43             set_section_visible($course->id, $show, "1");
  44         }
  45
  46         if (!empty($section)) {
  47             if (!empty($move)) {
  48                 if (!move_section($course, $section, $move)) {
  49                     notify("An error occurred while moving a section");
  50                 }
  51             }
  52         }
  53     } else {
  54         $USER->editing = false;
  55     }
  56
  57     $SESSION->fromdiscussion = "$CFG->wwwroot/course/view.php?id=$course->id";
  58
  59     if (! $course->category) {      // This course is not a real course.
  60         redirect("$CFG->wwwroot/");
  61     }
  62
  63     $courseword = get_string("course");
  64
  65     $loggedinas = "<p class=\"logininfo\">".user_login_string($course, $USER)."</p>";
  66
  67     print_header("$courseword: $course->fullname", "$course->fullname", "$course->shortname", "", "", true,
  68                   update_course_icon($course->id), $loggedinas);
  69
  70     get_all_mods($course->id, $mods, $modnames, $modnamesplural, $modnamesused);
  71
  72     if (! $sections = get_all_sections($course->id)) {   // No sections found
  73         // Double-check to be extra sure
  74         if (! $section = get_record("course_sections", "course", $course->id, "section", 0)) {
  75             $section->course = $course->id;   // Create a default section.
  76             $section->section = 0;
  77             $section->visible = 1;
  78             $section->id = insert_record("course_sections", $section);
  79         }
  80         if (! $sections = get_all_sections($course->id) ) {      // Try again
  81             error("Error finding or creating section structures for this course");
  82         }
  83     }
  84
  85     if (empty($course->modinfo)) {       // Course cache was never made
  86         rebuild_course_cache($course->id);
  87         if (! $course = get_record("course", "id", $course->id) ) {
  88             error("That's an invalid course id");
  89         }
  90     }
  91
  92     if (!file_exists("$CFG->dirroot/course/format/$course->format.php")) {   // Default format is weeks
  93         $course->format = "weeks";
  94     }
  95
  96     require("$CFG->dirroot/course/format/$course->format.php");  // Include the actual course format
  97
  98     print_footer();
  99
 100 ?>