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   1  <?php // $Id: recent.php,v 1.34.2.3 2008/07/05 20:57:09 skodak Exp $
   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  ?>