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
   8     $id             = required_param('id', PARAM_INT);
   9     $user           = optional_param('user', '0', PARAM_INT);
  10     $sortby         = optional_param('sortby', 'default', PARAM_ALPHA);
  11     $selectedgroup  = optional_param('selectedgroup', 0, PARAM_INT);
  12     $date           = optional_param('date', '', PARAM_INT);
  13     $advancedfilter = optional_param('advancedfilter', 0, PARAM_INT);
  14     $modname        = optional_param('modname', '', PARAM_ALPHA);          // not used??
  15     $modid          = optional_param('modid', 'activity/All', PARAM_FILE); // not a file, but looks like it anyway
  16     $modaction      = optional_param('modaction', '', PARAM_ALPHA);        // not used??
  17     $chooserecent   = optional_param('chooserecent', 0, PARAM_INT);
  18
  19     if (! $course = get_record("course", "id", $id) ) {
  20         error("That's an invalid course id");
  21     }
  22
  23     require_login($course->id);
  24
  25     add_to_log($course->id, "course", "recent", "recent.php?id=$course->id", "$course->id");
  26
  27     $strrecentactivity = get_string("recentactivity");
  28
  29     $loggedinas = user_login_string($course, $USER);
  30
  31
  32     if (!empty($chooserecent)) {
  33         $userinfo = get_string("allparticipants");
  34         $dateinfo = get_string("alldays");
  35
  36         if ($user) {
  37             if (!$u = get_record("user", "id", $user) ) {
  38                 error("That's an invalid user!");
  39             }
  40             $userinfo = fullname($u);
  41         }
  42         if ($date)
  43             $dateinfo = userdate($date, get_string("strftimedaydate"));
  44
  45         if ($course->category) {
  46             print_header("$course->shortname: $strrecentactivity", "$course->fullname",
  47                          "<a href=\"view.php?id=$course->id\">$course->shortname</a> ->
  48                           <a href=\"recent.php?id=$course->id\">$strrecentactivity</a> -> $userinfo, $dateinfo", "");
  49         } else {
  50             print_header("$course->shortname: $strrecentactivity", "$course->fullname",
  51                          "<a href=\"recent.php?id=$course->id\">$strrecentactivity</a> -> $userinfo, $dateinfo", "");
  52         }
  53
  54         print_heading("$course->fullname: $userinfo, $dateinfo (".usertimezone().")", '', 3);
  55         $advancedfilter = 1;
  56         print_recent_selector_form($course, $advancedfilter, $user, $date, $modname, $modid, $modaction, $selectedgroup, $sortby);
  57
  58     } else {
  59
  60         if (empty($date)) { // no date picked, default to last login time
  61             $date = time() - COURSE_MAX_RECENT_PERIOD;
  62
  63             if (!empty($USER->timeaccess[$course->id])) {
  64                 if ($USER->timeaccess[$course->id] > $date) {
  65                     $date = $USER->timeaccess[$course->id];
  66                 }
  67             }
  68         }
  69
  70         if ($course->category) {
  71             print_header("$course->shortname: $strrecentactivity", "$course->fullname",
  72                      "<a href=\"view.php?id=$course->id\">$course->shortname</a> -> $strrecentactivity", "");
  73         } else {
  74             print_header("$course->shortname: $strrecentactivity", "$course->fullname",
  75                      "$strrecentactivity", "");
  76         }
  77
  78         print_heading(get_string("activitysince", "", userdate($date)));
  79
  80         print_recent_selector_form($course, $advancedfilter);
  81
  82     }
  83
  84     $tmpmodid = $modid;
  85
  86     switch ($tmpmodid) {
  87       case "activity/Assignments" : $filter = "assignment"; break;
  88       case "activity/Chats" : $filter = "chat"; break;
  89       case "activity/Forums" : $filter = "forum"; break;
  90       case "activity/Quizzes" : $filter = "quiz"; break;
  91       case "activity/Workshops" : $filter = "workshop"; break;
  92       default   : $filter = "";
  93     }
  94
  95     $activities = array();
  96     $sections = array();
  97
  98     switch ($course->format) {
  99         case "weeks": $sectiontitle = get_string("week"); break;
 100         case "topics": $sectiontitle = get_string("topic"); break;
 101         default: $sectiontitle = get_string("section"); break;
 102     }
 103
 104     $index = 0;
 105
 106     if (is_numeric($modid)) { // you chose a single activity
 107
 108         $sections[0]->sequence = "$modid";
 109
 110     } else { // you chose a group of activities
 111
 112         if (isteacher($course->id)) {
 113             $hiddenfilter = "";
 114         } else {
 115             $hiddenfilter = " AND cs.visible = '1' ";
 116         }
 117
 118         $sections = get_records_sql("SELECT cs.id, cs.section, cs.sequence, cs.summary, cs.visible
 119                                        FROM {$CFG->prefix}course_sections cs
 120                                        WHERE course = '$course->id' $hiddenfilter
 121                                       ORDER by section");
 122     }
 123
 124     get_all_mods($course->id, $mods, $modnames, $modnamesplural, $modnamesused);
 125
 126     if (!empty($sections)) {
 127
 128         echo "<hr />";
 129         $i = 0;
 130
 131         if (!empty($filter)) {
 132             $activityfilter = "AND m.name = '$filter'";
 133         } else {
 134             $activityfilter = "";
 135         }
 136
 137         if (isteacher($course->id)) {
 138             $hiddenfilter = "";
 139         } else {
 140             $hiddenfilter = " AND cm.visible = '1' ";
 141         }
 142
 143         foreach ($sections as $section) {
 144
 145             if ($i <= $course->numsections) {
 146                 $activity = new Object;
 147                 $activity->type = "section";
 148                 if ($i) {
 149                     $activity->name = $sectiontitle . " $i";
 150                 } else {
 151                     $activity->name = '';
 152                 }
 153                 $activity->visible = $section->visible;
 154                 $activities[$index] = $activity;
 155             }
 156             $index++;
 157             $i++;
 158
 159             $sectionmods = explode(",", $section->sequence);
 160
 161             foreach ($sectionmods as $sectionmod) {
 162
 163                 if (empty($mods[$sectionmod])) {
 164                     continue;
 165                 }
 166                 $mod = $mods[$sectionmod];
 167                 $instance = get_record("$mod->modname", "id", "$mod->instance");
 168
 169                 $coursemod = get_record_sql("SELECT m.id, m.name, cm.groupmode, cm.visible
 170                                                FROM {$CFG->prefix}course_modules cm,
 171                                                     {$CFG->prefix}modules m
 172                                               WHERE course = '$course->id' $hiddenfilter
 173                                                 AND m.id = cm.module $activityfilter
 174                                                 AND cm.id = '$sectionmod'");
 175
 176                 $groupmode = groupmode($course, $coursemod);
 177                 switch ($groupmode) {
 178                     case SEPARATEGROUPS :  $groupid = mygroupid($course->id); break;
 179                     case VISIBLEGROUPS  :  $groupid = $selectedgroup; break;
 180                     case NOGROUPS       :
 181                     default             :  $groupid = 0;
 182                 }
 183
 184                 $libfile = "$CFG->dirroot/mod/$coursemod->name/lib.php";
 185
 186                 if (file_exists($libfile)) {
 187                     require_once($libfile);
 188                     $get_recent_mod_activity = $coursemod->name."_get_recent_mod_activity";
 189
 190                     if (function_exists($get_recent_mod_activity)) {
 191                         $activity = new Object;
 192                         $activity->type = "activity";
 193                         $activity->name = $instance->name;
 194                         $activity->visible = $coursemod->visible;
 195                         $activity->content->modfullname = $mod->modfullname;
 196                         $activity->content->modname = $mod->modname;
 197                         $activity->content->modid =$mod->id;
 198                         $activities[$index] = $activity;
 199                         $index++;
 200                         $get_recent_mod_activity($activities, $index, $date, $course->id, $sectionmod, $user, $groupid);
 201                     }
 202                 }
 203             }
 204         }
 205     }
 206
 207     $detail = true;
 208
 209     switch ($sortby) {
 210         case "datedesc" : usort($activities, "compare_activities_by_time_desc"); break;
 211         case "dateasc"  : usort($activities, "compare_activities_by_time_asc"); break;
 212         case "default"  :
 213         default         : $detail = false; $sortby = "default";
 214
 215     }
 216
 217     if (!empty($activities)) {
 218
 219         $newsection = true;
 220         $lastsection = "";
 221         $newinstance = true;
 222         $lastinstance = "";
 223         $inbox = false;
 224
 225         $section = 0;
 226
 227         if (isteacher($course->id)) {
 228             $teacher = true;
 229         } else {
 230             $teacher = false;
 231         }
 232         $activity_count = count($activities);
 233
 234         foreach ($activities as $key => $activity) {
 235
 236             // peak at next activity.  If it's another section, don't print this one!
 237             // this means there are no activities in the current section
 238             if (($activity->type == "section") &&
 239                 (($activity_count == ($key + 1)) ||
 240                 ($activities[$key+1]->type == "section"))) {
 241
 242                 continue;
 243
 244             }
 245
 246             if (($activity->type == "section") && ($sortby == "default")) {
 247                 if ($inbox) {
 248                     print_simple_box_end();
 249                     print_spacer(30);
 250                 }
 251                 print_simple_box_start("center", "90%");
 252                 echo "<h2>$activity->name</h2>";
 253                 $inbox = true;
 254
 255             } else if ($activity->type == "activity") {
 256
 257                if ($sortby == "default") {
 258                    if ($teacher && $activity->visible == 0) {
 259                        $linkformat = 'class="dimmed"';
 260                    } else {
 261                        $linkformat = '';
 262                    }
 263                    $image = "<img src=\"$CFG->modpixpath/" . $activity->content->modname . "/icon.gif\"" .
 264                             "height=\"16\" width=\"16\" alt=\"" . $activity->content->modfullname . "\" />";
 265                    echo "<ul><h4>$image " . $activity->content->modfullname .
 266                         " <a href=\"$CFG->wwwroot/mod/" . $activity->content->modname . "/view.php?" .
 267                         "id=" . $activity->content->modid . "\" $linkformat>" .
 268                         format_string($activity->name,true) . "</a></h4></ul>";
 269                }
 270
 271             } else {
 272
 273                 if (!$inbox) {
 274                     print_simple_box_start("center", "90%");
 275                     $inbox = true;
 276                 }
 277
 278                 $print_recent_mod_activity = $activity->type."_print_recent_mod_activity";
 279
 280                 if (function_exists($print_recent_mod_activity)) {
 281                     echo '<ul><ul>';
 282                     $print_recent_mod_activity($activity, $course->id, $detail);
 283                     echo '</ul></ul>';
 284                 }
 285             }
 286         }
 287
 288         if ($inbox) {
 289             print_simple_box_end();
 290         }
 291
 292
 293     } else {
 294
 295         echo "<h4><center>" . get_string("norecentactivity") . "</center></h2>";
 296
 297     }
 298 // fix modid for selection form
 299     $modid =$tmpmodid;
 300
 301     print_footer($course);
 302
 303 function compare_activities_by_time_desc($a, $b) {
 304     // make sure the activities actually have a timestamp property
 305     if ((!object_property_exists($a,'timestamp')) or (!object_property_exists($b,'timestamp'))) {
 306       return 0;
 307     }
 308     if ($a->timestamp == $b->timestamp)
 309         return 0;
 310     return ($a->timestamp > $b->timestamp) ? -1 : 1;
 311 }
 312
 313 function compare_activities_by_time_asc($a, $b) {
 314     // make sure the activities actually have a timestamp property
 315     if ((!object_property_exists($a,'timestamp')) or (!object_property_exists($b,'timestamp'))) {
 316       return 0;
 317     }
 318     if ($a->timestamp == $b->timestamp)
 319         return 0;
 320     return ($a->timestamp < $b->timestamp) ? -1 : 1;
 321 }
 322 ?>