/** * This function return the XML rss contents about the anonforum * It returns false if something is wrong * * @param stdClass $anonforum the anonforum object * @param string $sql the SQL used to retrieve the contents from the database * @param array $params the SQL parameters used * @param object $context the context this anonforum relates to * @return bool|string false if the contents is empty, otherwise the contents of the feed is returned * * @Todo MDL-31129 implement post attachment handling */ function anonforum_rss_feed_contents($anonforum, $sql, $params, $context) { global $CFG, $DB, $USER; $status = true; $recs = $DB->get_recordset_sql($sql, $params, 0, $anonforum->rssarticles); //set a flag. Are we displaying discussions or posts? $isdiscussion = true; if (!empty($anonforum->rsstype) && $anonforum->rsstype != 1) { $isdiscussion = false; } if (!($cm = get_coursemodule_from_instance('anonforum', $anonforum->id, $anonforum->course))) { print_error('invalidcoursemodule'); } $formatoptions = new stdClass(); $items = array(); foreach ($recs as $rec) { $item = new stdClass(); $discussion = new stdClass(); $discussion->id = $rec->discussionid; $discussion->groupid = $rec->groupid; $discussion->timestart = $rec->timestart; $discussion->timeend = $rec->timeend; $post = null; if (!$isdiscussion) { $post = new stdClass(); $post->id = $rec->postid; $post->parent = $rec->postparent; $post->userid = $rec->userid; } if ($isdiscussion && !anonforum_user_can_see_discussion($anonforum, $discussion, $context)) { // This is a discussion which the user has no permission to view $item->title = get_string('anonforumsubjecthidden', 'anonforum'); $message = get_string('anonforumbodyhidden', 'anonforum'); $item->author = get_string('anonforumauthorhidden', 'anonforum'); } else { if (!$isdiscussion && !anonforum_user_can_see_post($anonforum, $discussion, $post, $USER, $cm)) { // This is a post which the user has no permission to view $item->title = get_string('anonforumsubjecthidden', 'anonforum'); $message = get_string('anonforumbodyhidden', 'anonforum'); $item->author = get_string('anonforumauthorhidden', 'anonforum'); } else { // The user must have permission to view if ($isdiscussion && !empty($rec->discussionname)) { $item->title = format_string($rec->discussionname); } else { if (!empty($rec->postsubject)) { $item->title = format_string($rec->postsubject); } else { //we should have an item title by now but if we dont somehow then substitute something somewhat meaningful $item->title = format_string($anonforum->name . ' ' . userdate($rec->postcreated, get_string('strftimedatetimeshort', 'langconfig'))); } } if (empty($rec->anonymouspost)) { $user = new stdClass(); $user->firstname = $rec->userfirstname; $user->lastname = $rec->userlastname; $item->author = fullname($user); } else { $item->author = get_string('anonymoususer', 'anonforum'); } $message = file_rewrite_pluginfile_urls($rec->postmessage, 'pluginfile.php', $context->id, 'mod_anonforum', 'post', $rec->postid); $formatoptions->trusted = $rec->posttrust; } } if ($isdiscussion) { $item->link = $CFG->wwwroot . "/mod/anonforum/discuss.php?d=" . $rec->discussionid; } else { $item->link = $CFG->wwwroot . "/mod/anonforum/discuss.php?d=" . $rec->discussionid . "&parent=" . $rec->postid; } $formatoptions->trusted = $rec->posttrust; $item->description = format_text($message, $rec->postformat, $formatoptions, $anonforum->course); //TODO: MDL-31129 implement post attachment handling /*if (!$isdiscussion) { $post_file_area_name = str_replace('//', '/', "$anonforum->course/$CFG->moddata/anonforum/$anonforum->id/$rec->postid"); $post_files = get_directory_list("$CFG->dataroot/$post_file_area_name"); if (!empty($post_files)) { $item->attachments = array(); } }*/ $item->pubdate = $rec->postcreated; $items[] = $item; } $recs->close(); // Create the RSS header. $header = rss_standard_header(strip_tags(format_string($anonforum->name, true)), $CFG->wwwroot . "/mod/anonforum/view.php?f=" . $anonforum->id, format_string($anonforum->intro, true)); // TODO: fix format // Now all the RSS items, if there are any. $articles = ''; if (!empty($items)) { $articles = rss_add_items($items); } // Create the RSS footer. $footer = rss_standard_footer(); return $header . $articles . $footer; }
/** * Prints the discussion view screen for a anonforum. * * @global object * @global object * @param object $course The current course object. * @param object $anonforum Forum to be printed. * @param int $maxdiscussions . * @param string $displayformat The display format to use (optional). * @param string $sort Sort arguments for database query (optional). * @param int $groupmode Group mode of the anonforum (optional). * @param void $unused (originally current group) * @param int $page Page mode, page to display (optional). * @param int $perpage The maximum number of discussions per page(optional) * */ function anonforum_print_latest_discussions($course, $anonforum, $maxdiscussions = -1, $displayformat = 'plain', $sort = '', $currentgroup = -1, $groupmode = -1, $page = -1, $perpage = 100, $cm = NULL) { global $CFG, $USER, $OUTPUT; if (!$cm) { if (!($cm = get_coursemodule_from_instance('anonforum', $anonforum->id, $anonforum->course))) { print_error('invalidcoursemodule'); } } $context = context_module::instance($cm->id); if (empty($sort)) { $sort = "d.timemodified DESC"; } $olddiscussionlink = false; // Sort out some defaults if ($perpage <= 0) { $perpage = 0; $page = -1; } if ($maxdiscussions == 0) { // all discussions - backwards compatibility $page = -1; $perpage = 0; if ($displayformat == 'plain') { $displayformat = 'header'; // Abbreviate display by default } } else { if ($maxdiscussions > 0) { $page = -1; $perpage = $maxdiscussions; } } $fullpost = false; if ($displayformat == 'plain') { $fullpost = true; } // Decide if current user is allowed to see ALL the current discussions or not // First check the group stuff if ($currentgroup == -1 or $groupmode == -1) { $groupmode = groups_get_activity_groupmode($cm, $course); $currentgroup = groups_get_activity_group($cm); } $groups = array(); //cache // If the user can post discussions, then this is a good place to put the // button for it. We do not show the button if we are showing site news // and the current user is a guest. $canstart = anonforum_user_can_post_discussion($anonforum, $currentgroup, $groupmode, $cm, $context); if (!$canstart and $anonforum->type !== 'news') { if (isguestuser() or !isloggedin()) { $canstart = true; } if (!is_enrolled($context) and !is_viewing($context)) { // allow guests and not-logged-in to see the button - they are prompted to log in after clicking the link // normal users with temporary guest access see this button too, they are asked to enrol instead // do not show the button to users with suspended enrolments here $canstart = enrol_selfenrol_available($course->id); } } if ($canstart) { echo '<div class="singlebutton anonforumaddnew">'; echo "<form id=\"newdiscussionform\" method=\"get\" action=\"{$CFG->wwwroot}/mod/anonforum/post.php\">"; echo '<div>'; echo "<input type=\"hidden\" name=\"anonforum\" value=\"{$anonforum->id}\" />"; switch ($anonforum->type) { case 'news': case 'blog': $buttonadd = get_string('addanewtopic', 'anonforum'); break; case 'qanda': $buttonadd = get_string('addanewquestion', 'anonforum'); break; default: $buttonadd = get_string('addanewdiscussion', 'anonforum'); break; } echo '<input type="submit" value="' . $buttonadd . '" />'; echo '</div>'; echo '</form>'; echo "</div>\n"; } else { if (isguestuser() or !isloggedin() or $anonforum->type == 'news') { // no button and no info } else { if ($groupmode and has_capability('mod/anonforum:startdiscussion', $context)) { // inform users why they can not post new discussion if ($currentgroup) { echo $OUTPUT->notification(get_string('cannotadddiscussion', 'anonforum')); } else { echo $OUTPUT->notification(get_string('cannotadddiscussionall', 'anonforum')); } } } } // Get all the recent discussions we're allowed to see $getuserlastmodified = $displayformat == 'header'; if (!($discussions = anonforum_get_discussions($cm, $sort, $fullpost, null, $maxdiscussions, $getuserlastmodified, $page, $perpage))) { echo '<div class="anonforumnodiscuss">'; if ($anonforum->type == 'news') { echo '(' . get_string('nonews', 'anonforum') . ')'; } else { if ($anonforum->type == 'qanda') { echo '(' . get_string('noquestions', 'anonforum') . ')'; } else { echo '(' . get_string('nodiscussions', 'anonforum') . ')'; } } echo "</div>\n"; return; } // If we want paging if ($page != -1) { ///Get the number of discussions found $numdiscussions = anonforum_get_discussions_count($cm); ///Show the paging bar echo $OUTPUT->paging_bar($numdiscussions, $page, $perpage, "view.php?f={$anonforum->id}"); if ($numdiscussions > 1000) { // saves some memory on sites with very large anonymous forums $replies = anonforum_count_discussion_replies($anonforum->id, $sort, $maxdiscussions, $page, $perpage); } else { $replies = anonforum_count_discussion_replies($anonforum->id); } } else { $replies = anonforum_count_discussion_replies($anonforum->id); if ($maxdiscussions > 0 and $maxdiscussions <= count($discussions)) { $olddiscussionlink = true; } } $canviewparticipants = has_capability('moodle/course:viewparticipants', $context); $strdatestring = get_string('strftimerecentfull'); // Check if the anonymous forum is tracked. if ($cantrack = anonforum_tp_can_track_anonforums($anonforum)) { $anonforumtracked = anonforum_tp_is_tracked($anonforum); } else { $anonforumtracked = false; } if ($anonforumtracked) { $unreads = anonforum_get_discussions_unread($cm); } else { $unreads = array(); } if ($displayformat == 'header') { echo '<table cellspacing="0" class="anonforumheaderlist">'; echo '<thead>'; echo '<tr>'; echo '<th class="header topic" scope="col">' . get_string('discussion', 'anonforum') . '</th>'; echo '<th class="header author" colspan="2" scope="col">' . get_string('startedby', 'anonforum') . '</th>'; if ($groupmode > 0) { echo '<th class="header group" scope="col">' . get_string('group') . '</th>'; } if (has_capability('mod/anonforum:viewdiscussion', $context)) { echo '<th class="header replies" scope="col">' . get_string('replies', 'anonforum') . '</th>'; // If the anonymous forum can be tracked, display the unread column. if ($cantrack) { echo '<th class="header replies" scope="col">' . get_string('unread', 'anonforum'); if ($anonforumtracked) { echo '<a title="' . get_string('markallread', 'anonforum') . '" href="' . $CFG->wwwroot . '/mod/anonforum/markposts.php?f=' . $anonforum->id . '&mark=read&returnpage=view.php">' . '<img src="' . $OUTPUT->pix_url('t/markasread') . '" class="iconsmall" alt="' . get_string('markallread', 'anonforum') . '" /></a>'; } echo '</th>'; } } echo '<th class="header lastpost" scope="col">' . get_string('lastpost', 'anonforum') . '</th>'; echo '</tr>'; echo '</thead>'; echo '<tbody>'; } foreach ($discussions as $discussion) { if (!empty($replies[$discussion->discussion])) { $discussion->replies = $replies[$discussion->discussion]->replies; $discussion->lastpostid = $replies[$discussion->discussion]->lastpostid; } else { $discussion->replies = 0; } // SPECIAL CASE: The front page can display a news item post to non-logged in users. // All posts are read in this case. if (!$anonforumtracked) { $discussion->unread = '-'; } else { if (empty($USER)) { $discussion->unread = 0; } else { if (empty($unreads[$discussion->discussion])) { $discussion->unread = 0; } else { $discussion->unread = $unreads[$discussion->discussion]; } } } if (isloggedin()) { $ownpost = $discussion->userid == $USER->id; } else { $ownpost = false; } // Use discussion name instead of subject of first post $discussion->subject = $discussion->name; switch ($displayformat) { case 'header': if ($groupmode > 0) { if (isset($groups[$discussion->groupid])) { $group = $groups[$discussion->groupid]; } else { $group = $groups[$discussion->groupid] = groups_get_group($discussion->groupid); } } else { $group = -1; } anonforum_print_discussion_header($discussion, $anonforum, $group, $strdatestring, $cantrack, $anonforumtracked, $canviewparticipants, $context); break; default: $link = false; if ($discussion->replies) { $link = true; } else { $modcontext = context_module::instance($cm->id); $link = anonforum_user_can_see_discussion($anonforum, $discussion, $modcontext, $USER); } $discussion->anonforum = $anonforum->id; anonforum_print_post($discussion, $discussion, $anonforum, $cm, $course, $ownpost, 0, $link, false, '', null, true, $anonforumtracked); break; } } if ($displayformat == "header") { echo '</tbody>'; echo '</table>'; } if ($olddiscussionlink) { if ($anonforum->type == 'news') { $strolder = get_string('oldertopics', 'anonforum'); } else { $strolder = get_string('olderdiscussions', 'anonforum'); } echo '<div class="anonforumolddiscuss">'; echo '<a href="' . $CFG->wwwroot . '/mod/anonforum/view.php?f=' . $anonforum->id . '&showall=1">'; echo $strolder . '</a> ...</div>'; } if ($page != -1) { ///Show the paging bar echo $OUTPUT->paging_bar($numdiscussions, $page, $perpage, "view.php?f={$anonforum->id}"); } }