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Differences Between: [Versions 310 and 311] [Versions 311 and 400] [Versions 311 and 401] [Versions 311 and 402] [Versions 311 and 403] [Versions 39 and 311]

   1  <?php
   2  // This file is part of Moodle - http://moodle.org/
   3  //
   4  // Moodle is free software: you can redistribute it and/or modify
   5  // it under the terms of the GNU General Public License as published by
   6  // the Free Software Foundation, either version 3 of the License, or
   7  // (at your option) any later version.
   8  //
   9  // Moodle is distributed in the hope that it will be useful,
  10  // but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  // GNU General Public License for more details.
  13  //
  14  // You should have received a copy of the GNU General Public License
  15  // along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
  16  
  17  /**
  18   * Displays the list of discussions in a forum.
  19   *
  20   * @package   mod_forum
  21   * @copyright 2019 Andrew Nicols <andrew@nicols.co.uk>
  22   * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  23   */
  24  
  25  use mod_forum\grades\forum_gradeitem;
  26  
  27  require_once('../../config.php');
  28  
  29  $managerfactory = mod_forum\local\container::get_manager_factory();
  30  $legacydatamapperfactory = mod_forum\local\container::get_legacy_data_mapper_factory();
  31  $vaultfactory = mod_forum\local\container::get_vault_factory();
  32  $forumvault = $vaultfactory->get_forum_vault();
  33  $discussionvault = $vaultfactory->get_discussion_vault();
  34  $postvault = $vaultfactory->get_post_vault();
  35  $discussionlistvault = $vaultfactory->get_discussions_in_forum_vault();
  36  
  37  $cmid = optional_param('id', 0, PARAM_INT);
  38  $forumid = optional_param('f', 0, PARAM_INT);
  39  $mode = optional_param('mode', 0, PARAM_INT);
  40  $showall = optional_param('showall', '', PARAM_INT);
  41  $pageno = optional_param('page', 0, PARAM_INT);
  42  $search = optional_param('search', '', PARAM_CLEAN);
  43  $pageno = optional_param('p', $pageno, PARAM_INT);
  44  $pagesize = optional_param('s', 0, PARAM_INT);
  45  $sortorder = optional_param('o', null, PARAM_INT);
  46  
  47  if (!$cmid && !$forumid) {
  48      print_error('missingparameter');
  49  }
  50  
  51  if ($cmid) {
  52      $forum = $forumvault->get_from_course_module_id($cmid);
  53      if (empty($forum)) {
  54          throw new \moodle_exception('Unable to find forum with cmid ' . $cmid);
  55      }
  56  } else {
  57      $forum = $forumvault->get_from_id($forumid);
  58      if (empty($forum)) {
  59          throw new \moodle_exception('Unable to find forum with id ' . $forumid);
  60      }
  61  }
  62  
  63  if (!empty($showall)) {
  64      // The user wants to see all discussions.
  65      $pageno = 0;
  66      $pagesize = 0;
  67  }
  68  
  69  $urlfactory = mod_forum\local\container::get_url_factory();
  70  $capabilitymanager = $managerfactory->get_capability_manager($forum);
  71  
  72  $url = $urlfactory->get_forum_view_url_from_forum($forum);
  73  $PAGE->set_url($url);
  74  
  75  $course = $forum->get_course_record();
  76  $coursemodule = $forum->get_course_module_record();
  77  $cm = \cm_info::create($coursemodule);
  78  
  79  require_course_login($course, true, $cm);
  80  
  81  $istypesingle = $forum->get_type() === 'single';
  82  $saveddisplaymode = get_user_preferences('forum_displaymode', $CFG->forum_displaymode);
  83  
  84  if ($mode) {
  85      $displaymode = $mode;
  86  } else {
  87      $displaymode = $saveddisplaymode;
  88  }
  89  
  90  if (get_user_preferences('forum_useexperimentalui', false)) {
  91      if ($displaymode == FORUM_MODE_NESTED) {
  92          $displaymode = FORUM_MODE_NESTED_V2;
  93      }
  94  } else {
  95      if ($displaymode == FORUM_MODE_NESTED_V2) {
  96          $displaymode = FORUM_MODE_NESTED;
  97      }
  98  }
  99  
 100  if ($displaymode != $saveddisplaymode) {
 101      set_user_preference('forum_displaymode', $displaymode);
 102  }
 103  
 104  $PAGE->set_context($forum->get_context());
 105  $PAGE->set_title($forum->get_name());
 106  $PAGE->add_body_class('forumtype-' . $forum->get_type());
 107  $PAGE->set_heading($course->fullname);
 108  $PAGE->set_button(forum_search_form($course, $search));
 109  
 110  if ($istypesingle && $displaymode == FORUM_MODE_NESTED_V2) {
 111      $PAGE->add_body_class('nested-v2-display-mode reset-style');
 112      $settingstrigger = $OUTPUT->render_from_template('mod_forum/settings_drawer_trigger', null);
 113      $PAGE->add_header_action($settingstrigger);
 114  }
 115  
 116  if (empty($cm->visible) && !has_capability('moodle/course:viewhiddenactivities', $forum->get_context())) {
 117      redirect(
 118          $urlfactory->get_course_url_from_forum($forum),
 119          get_string('activityiscurrentlyhidden'),
 120          null,
 121          \core\output\notification::NOTIFY_WARNING
 122      );
 123  }
 124  
 125  if (!$capabilitymanager->can_view_discussions($USER)) {
 126      redirect(
 127          $urlfactory->get_course_url_from_forum($forum),
 128          get_string('noviewdiscussionspermission', 'forum'),
 129          null,
 130          \core\output\notification::NOTIFY_WARNING
 131      );
 132  }
 133  
 134  // Mark viewed and trigger the course_module_viewed event.
 135  $forumdatamapper = $legacydatamapperfactory->get_forum_data_mapper();
 136  $forumrecord = $forumdatamapper->to_legacy_object($forum);
 137  forum_view(
 138      $forumrecord,
 139      $forum->get_course_record(),
 140      $forum->get_course_module_record(),
 141      $forum->get_context()
 142  );
 143  
 144  // Return here if we post or set subscription etc.
 145  $SESSION->fromdiscussion = qualified_me();
 146  
 147  if (!empty($CFG->enablerssfeeds) && !empty($CFG->forum_enablerssfeeds) && $forum->get_rss_type() && $forum->get_rss_articles()) {
 148      require_once("{$CFG->libdir}/rsslib.php");
 149  
 150      $rsstitle = format_string($course->shortname, true, [
 151              'context' => context_course::instance($course->id),
 152          ]) . ': ' . format_string($forum->get_name());
 153      rss_add_http_header($forum->get_context(), 'mod_forum', $forumrecord, $rsstitle);
 154  }
 155  
 156  echo $OUTPUT->header();
 157  echo $OUTPUT->heading(format_string($forum->get_name()), 2);
 158  
 159  // Render the activity information.
 160  $completiondetails = \core_completion\cm_completion_details::get_instance($cm, $USER->id);
 161  $activitydates = \core\activity_dates::get_dates_for_module($cm, $USER->id);
 162  echo $OUTPUT->activity_information($cm, $completiondetails, $activitydates);
 163  
 164  if (!$istypesingle && !empty($forum->get_intro())) {
 165      echo $OUTPUT->box(format_module_intro('forum', $forumrecord, $cm->id), 'generalbox', 'intro');
 166  }
 167  
 168  if ($sortorder) {
 169      set_user_preference('forum_discussionlistsortorder', $sortorder);
 170  }
 171  
 172  $sortorder = get_user_preferences('forum_discussionlistsortorder', $discussionlistvault::SORTORDER_LASTPOST_DESC);
 173  
 174  // Fetch the current groupid.
 175  $groupid = groups_get_activity_group($cm, true) ?: null;
 176  $rendererfactory = mod_forum\local\container::get_renderer_factory();
 177  switch ($forum->get_type()) {
 178      case 'single':
 179          $forumgradeitem = forum_gradeitem::load_from_forum_entity($forum);
 180          if ($capabilitymanager->can_grade($USER)) {
 181  
 182              if ($forumgradeitem->is_grading_enabled()) {
 183                  $groupid = groups_get_activity_group($cm, true) ?: null;
 184                  $gradeobj = (object) [
 185                      'contextid' => $forum->get_context()->id,
 186                      'cmid' => $cmid,
 187                      'name' => format_string($forum->get_name()),
 188                      'courseid' => $course->id,
 189                      'coursename' => format_string($course->shortname),
 190                      'experimentaldisplaymode' => $displaymode == FORUM_MODE_NESTED_V2,
 191                      'groupid' => $groupid,
 192                      'gradingcomponent' => $forumgradeitem->get_grading_component_name(),
 193                      'gradingcomponentsubtype' => $forumgradeitem->get_grading_component_subtype(),
 194                      'sendstudentnotifications' => $forum->should_notify_students_default_when_grade_for_forum(),
 195                      'gradeonlyactiveusers' => $forumgradeitem->should_grade_only_active_users(),
 196                  ];
 197                  echo $OUTPUT->render_from_template('mod_forum/grades/grade_button', $gradeobj);
 198              }
 199          } else {
 200              if ($forumgradeitem->is_grading_enabled()) {
 201                  $groupid = groups_get_activity_group($cm, true) ?: null;
 202                  $gradeobj = (object) [
 203                      'contextid' => $forum->get_context()->id,
 204                      'cmid' => $cmid,
 205                      'name' => format_string($forum->get_name()),
 206                      'courseid' => $course->id,
 207                      'coursename' => format_string($course->shortname),
 208                      'groupid' => $groupid,
 209                      'userid' => $USER->id,
 210                      'gradingcomponent' => $forumgradeitem->get_grading_component_name(),
 211                      'gradingcomponentsubtype' => $forumgradeitem->get_grading_component_subtype(),
 212                  ];
 213                  echo $OUTPUT->render_from_template('mod_forum/grades/view_grade_button', $gradeobj);
 214              }
 215          }
 216          $discussion = $discussionvault->get_last_discussion_in_forum($forum);
 217          $discussioncount = $discussionvault->get_count_discussions_in_forum($forum);
 218          $hasmultiplediscussions = $discussioncount > 1;
 219          $discussionsrenderer = $rendererfactory->get_single_discussion_list_renderer($forum, $discussion,
 220              $hasmultiplediscussions, $displaymode);
 221          $post = $postvault->get_from_id($discussion->get_first_post_id());
 222          $orderpostsby = $displaymode == FORUM_MODE_FLATNEWEST ? 'created DESC' : 'created ASC';
 223          $replies = $postvault->get_replies_to_post(
 224                  $USER,
 225                  $post,
 226                  $capabilitymanager->can_view_any_private_reply($USER),
 227                  $orderpostsby
 228              );
 229          echo $discussionsrenderer->render($USER, $post, $replies);
 230  
 231          if (!$CFG->forum_usermarksread && forum_tp_is_tracked($forumrecord, $USER)) {
 232              $postids = array_map(function($post) {
 233                  return $post->get_id();
 234              }, array_merge([$post], array_values($replies)));
 235              forum_tp_mark_posts_read($USER, $postids);
 236          }
 237          break;
 238      case 'blog':
 239          $discussionsrenderer = $rendererfactory->get_blog_discussion_list_renderer($forum);
 240          // Blog forums always show discussions newest first.
 241          echo $discussionsrenderer->render($USER, $cm, $groupid, $discussionlistvault::SORTORDER_CREATED_DESC,
 242              $pageno, $pagesize);
 243  
 244          if (!$CFG->forum_usermarksread && forum_tp_is_tracked($forumrecord, $USER)) {
 245              $discussions = mod_forum_get_discussion_summaries($forum, $USER, $groupid, null, $pageno, $pagesize);
 246              $firstpostids = array_map(function($discussion) {
 247                  return $discussion->get_first_post()->get_id();
 248              }, array_values($discussions));
 249              forum_tp_mark_posts_read($USER, $firstpostids);
 250          }
 251          break;
 252      default:
 253          $discussionsrenderer = $rendererfactory->get_discussion_list_renderer($forum);
 254          echo $discussionsrenderer->render($USER, $cm, $groupid, $sortorder, $pageno, $pagesize, $displaymode);
 255  }
 256  
 257  echo $OUTPUT->footer();