course/recent.php

   1 <?php // $Id$
   2
   3 //  Display all recent activity in a flexible way
   4
   5     require_once('../config.php');
   6     require_once('lib.php');
   7     require_once('recent_form.php');
   8
   9     $id = required_param('id', PARAM_INT);
  10
  11     if (!$course = get_record('course', 'id', $id) ) {
  12         error("That's an invalid course id");
  13     }
  14
  15     require_login($course);
  16
  17     add_to_log($course->id, "course", "recent", "recent.php?id=$course->id", $course->id);
  18
  19     $context = get_context_instance(CONTEXT_COURSE, $course->id);
  20
  21     $meta = '<meta name="robots" content="none" />'; // prevent duplicate content in search engines MDL-7299
  22
  23     $lastlogin = time() - COURSE_MAX_RECENT_PERIOD;
  24     if (!isguestuser() and !empty($USER->lastcourseaccess[$COURSE->id])) {
  25         if ($USER->lastcourseaccess[$COURSE->id] > $lastlogin) {
  26             $lastlogin = $USER->lastcourseaccess[$COURSE->id];
  27         }
  28     }
  29
  30     $param = new object();
  31     $param->user   = 0;
  32     $param->modid  = 'all';
  33     $param->group  = 0;
  34     $param->sortby = 'default';
  35     $param->date   = $lastlogin;
  36     $param->id     = $COURSE->id;
  37
  38     $mform = new recent_form();
  39     $mform->set_data($param);
  40     if ($formdata = $mform->get_data(false)) {
  41         $param = $formdata;
  42     }
  43
  44     $userinfo = get_string('allparticipants');
  45     $dateinfo = get_string('alldays');
  46
  47     if (!empty($param->user)) {
  48         if (!$u = get_record('user', 'id', $param->user) ) {
  49             error("That's an invalid user!");
  50         }
  51         $userinfo = fullname($u);
  52     }
  53
  54     $strrecentactivity = get_string('recentactivity');
  55     $navlinks = array();
  56     $navlinks[] = array('name' => $strrecentactivity, 'link' => "recent.php?id=$course->id", 'type' => 'misc');
  57     $navlinks[] = array('name' => $userinfo, 'link' => null, 'type' => 'misc');
  58     $navigation = build_navigation($navlinks);
  59     print_header("$course->shortname: $strrecentactivity", $course->fullname, $navigation, '', $meta);
  60     print_heading(format_string($course->fullname) . ": $userinfo", '', 3);
  61
  62     $mform->display();
  63
  64     $modinfo =& get_fast_modinfo($course);
  65     get_all_mods($course->id, $mods, $modnames, $modnamesplural, $modnamesused);
  66
  67     if (has_capability('moodle/course:viewhiddensections', $context)) {
  68         $hiddenfilter = "";
  69     } else {
  70         $hiddenfilter = "AND cs.visible = 1";
  71     }
  72     $sections = array();
  73     if ($ss = get_records_sql("SELECT cs.id, cs.section, cs.sequence, cs.summary, cs.visible
  74                                  FROM {$CFG->prefix}course_sections cs
  75                                 WHERE cs.course = $course->id AND cs.section <= $course->numsections
  76                                       $hiddenfilter
  77                              ORDER BY section")) {
  78         foreach ($ss as $section) {
  79             $sections[$section->section] = $section;
  80         }
  81     }
  82
  83     if ($param->modid === 'all') {
  84         // ok
  85
  86     } else if (strpos($param->modid, 'mod/') === 0) {
  87         $modname = substr($param->modid, strlen('mod/'));
  88         if (array_key_exists($modname, $modnames) and file_exists("$CFG->dirroot/mod/$modname/lib.php")) {
  89             $filter = $modname;
  90         }
  91
  92     } else if (strpos($param->modid, 'section/') === 0) {
  93         $sectionid = substr($param->modid, strlen('section/'));
  94         if (isset($sections[$sectionid])) {
  95             $sections = array($sectionid=>$sections[$sectionid]);
  96         }
  97
  98     } else if (is_numeric($param->modid)) {
  99         $section = $sections[$modinfo->cms[$param->modid]->sectionnum];
 100         $section->sequence = $param->modid;
 101         $sections = array($section->sequence=>$section);
 102     }
 103
 104     switch ($course->format) {
 105         case 'weeks':  $sectiontitle = get_string('week'); break;
 106         case 'topics': $sectiontitle = get_string('topic'); break;
 107         default: $sectiontitle = get_string('section'); break;
 108     }
 109
 110     if (is_null($modinfo->groups)) {
 111         $modinfo->groups = groups_get_user_groups($course->id); // load all my groups and cache it in modinfo
 112     }
 113
 114     $activities = array();
 115     $index = 0;
 116
 117     foreach ($sections as $section) {
 118
 119         $activity = new object();
 120         $activity->type = 'section';
 121         if ($section->section > 0) {
 122             $activity->name = $sectiontitle.' '.$section->section;
 123         } else {
 124             $activity->name = '';
 125         }
 126
 127         $activity->visible = $section->visible;
 128         $activities[$index++] = $activity;
 129
 130         if (empty($section->sequence)) {
 131             continue;
 132         }
 133
 134         $sectionmods = explode(",", $section->sequence);
 135
 136         foreach ($sectionmods as $cmid) {
 137             if (!isset($mods[$cmid]) or !isset($modinfo->cms[$cmid])) {
 138                 continue;
 139             }
 140
 141             $cm = $modinfo->cms[$cmid];
 142
 143             if (!$cm->uservisible) {
 144                 continue;
 145             }
 146
 147             if (!empty($filter) and $cm->modname != $filter) {
 148                 continue;
 149             }
 150
 151             $libfile = "$CFG->dirroot/mod/$cm->modname/lib.php";
 152
 153             if (file_exists($libfile)) {
 154                 require_once($libfile);
 155                 $get_recent_mod_activity = $cm->modname."_get_recent_mod_activity";
 156
 157                 if (function_exists($get_recent_mod_activity)) {
 158                     $activity = new object();
 159                     $activity->type    = 'activity';
 160                     $activity->cmid    = $cmid;
 161                     $activities[$index++] = $activity;
 162                     $get_recent_mod_activity($activities, $index, $param->date, $course->id, $cmid, $param->user, $param->group);
 163                 }
 164             }
 165         }
 166     }
 167
 168     $detail = true;
 169
 170     switch ($param->sortby) {
 171         case 'datedesc' : usort($activities, 'compare_activities_by_time_desc'); break;
 172         case 'dateasc'  : usort($activities, 'compare_activities_by_time_asc'); break;
 173         case 'default'  :
 174         default         : $detail = false; $param->sortby = 'default';
 175
 176     }
 177
 178     if (!empty($activities)) {
 179
 180         $newsection   = true;
 181         $lastsection  = '';
 182         $newinstance  = true;
 183         $lastinstance = '';
 184         $inbox        = false;
 185
 186         $section = 0;
 187
 188         $activity_count = count($activities);
 189         $viewfullnames  = array();
 190
 191         foreach ($activities as $key => $activity) {
 192
 193             if ($activity->type == 'section') {
 194                 if ($param->sortby != 'default') {
 195                     continue; // no section if ordering by date
 196                 }
 197                 if ($activity_count == ($key + 1) or $activities[$key+1]->type == 'section') {
 198                 // peak at next activity.  If it's another section, don't print this one!
 199                 // this means there are no activities in the current section
 200                     continue;
 201                 }
 202             }
 203
 204             if (($activity->type == 'section') && ($param->sortby == 'default')) {
 205                 if ($inbox) {
 206                     print_simple_box_end();
 207                     print_spacer(30);
 208                 }
 209                 print_simple_box_start('center', '90%');
 210                 echo "<h2>$activity->name</h2>";
 211                 $inbox = true;
 212
 213             } else if ($activity->type == 'activity') {
 214
 215                 if ($param->sortby == 'default') {
 216                     $cm = $modinfo->cms[$activity->cmid];
 217
 218                     if ($cm->visible) {
 219                         $linkformat = '';
 220                     } else {
 221                         $linkformat = 'class="dimmed"';
 222                     }
 223                     $name        = format_string($cm->name);
 224                     $modfullname = $modnames[$cm->modname];
 225
 226                     $image = "<img src=\"$CFG->modpixpath/$cm->modname/icon.gif\" class=\"icon\" alt=\"$modfullname\" />";
 227                     echo "<h4>$image $modfullname".
 228                          " <a href=\"$CFG->wwwroot/mod/$cm->modname/view.php?id=$cm->id\" $linkformat>$name</a></h4>";
 229                }
 230
 231             } else {
 232
 233                 if (!isset($viewfullnames[$activity->cmid])) {
 234                     $cm_context = get_context_instance(CONTEXT_MODULE, $activity->cmid);
 235                     $viewfullnames[$activity->cmid] = has_capability('moodle/site:viewfullnames', $cm_context);
 236                 }
 237
 238                 if (!$inbox) {
 239                     print_simple_box_start('center', '90%');
 240                     $inbox = true;
 241                 }
 242
 243                 $print_recent_mod_activity = $activity->type.'_print_recent_mod_activity';
 244
 245                 if (function_exists($print_recent_mod_activity)) {
 246                     $print_recent_mod_activity($activity, $course->id, $detail, $modnames, $viewfullnames[$activity->cmid]);
 247                 }
 248             }
 249         }
 250
 251         if ($inbox) {
 252             print_simple_box_end();
 253         }
 254
 255
 256     } else {
 257
 258         echo '<h4><center>' . get_string('norecentactivity') . '</center></h2>';
 259
 260     }
 261
 262     print_footer($course);
 263
 264 function compare_activities_by_time_desc($a, $b) {
 265     // make sure the activities actually have a timestamp property
 266     if ((!array_key_exists('timestamp', $a)) or (!array_key_exists('timestamp', $b))) {
 267       return 0;
 268     }
 269     if ($a->timestamp == $b->timestamp)
 270         return 0;
 271     return ($a->timestamp > $b->timestamp) ? -1 : 1;
 272 }
 273
 274 function compare_activities_by_time_asc($a, $b) {
 275     // make sure the activities actually have a timestamp property
 276     if ((!array_key_exists('timestamp', $a)) or (!array_key_exists('timestamp', $b))) {
 277       return 0;
 278     }
 279     if ($a->timestamp == $b->timestamp)
 280         return 0;
 281     return ($a->timestamp < $b->timestamp) ? -1 : 1;
 282 }
 283 ?>