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1 <?php 2 3 // This file is part of Moodle - http://moodle.org/ 4 // 5 // Moodle is free software: you can redistribute it and/or modify 6 // it under the terms of the GNU General Public License as published by 7 // the Free Software Foundation, either version 3 of the License, or 8 // (at your option) any later version. 9 // 10 // Moodle is distributed in the hope that it will be useful, 11 // but WITHOUT ANY WARRANTY; without even the implied warranty of 12 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 // GNU General Public License for more details. 14 // 15 // You should have received a copy of the GNU General Public License 16 // along with Moodle. If not, see <http://www.gnu.org/licenses/>. 17 18 /** 19 * @package mod_forum 20 * @copyright 1999 onwards Martin Dougiamas {@link http://moodle.com} 21 * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later 22 */ 23 24 require_once(__DIR__ . '/../../config.php'); 25 require_once($CFG->dirroot . '/course/lib.php'); 26 require_once($CFG->dirroot . '/mod/forum/lib.php'); 27 require_once($CFG->libdir . '/rsslib.php'); 28 29 $id = optional_param('id', 0, PARAM_INT); // Course id 30 $subscribe = optional_param('subscribe', null, PARAM_INT); // Subscribe/Unsubscribe all forums 31 32 $url = new moodle_url('/mod/forum/index.php', array('id'=>$id)); 33 if ($subscribe !== null) { 34 require_sesskey(); 35 $url->param('subscribe', $subscribe); 36 } 37 $PAGE->set_url($url); 38 39 if ($id) { 40 if (! $course = $DB->get_record('course', array('id' => $id))) { 41 print_error('invalidcourseid'); 42 } 43 } else { 44 $course = get_site(); 45 } 46 47 require_course_login($course); 48 $PAGE->set_pagelayout('incourse'); 49 $coursecontext = context_course::instance($course->id); 50 51 52 unset($SESSION->fromdiscussion); 53 54 $params = array( 55 'context' => context_course::instance($course->id) 56 ); 57 $event = \mod_forum\event\course_module_instance_list_viewed::create($params); 58 $event->add_record_snapshot('course', $course); 59 $event->trigger(); 60 61 $strforums = get_string('forums', 'forum'); 62 $strforum = get_string('forum', 'forum'); 63 $strdescription = get_string('description'); 64 $strdiscussions = get_string('discussions', 'forum'); 65 $strsubscribed = get_string('subscribed', 'forum'); 66 $strunreadposts = get_string('unreadposts', 'forum'); 67 $strtracking = get_string('tracking', 'forum'); 68 $strmarkallread = get_string('markallread', 'forum'); 69 $strtrackforum = get_string('trackforum', 'forum'); 70 $strnotrackforum = get_string('notrackforum', 'forum'); 71 $strsubscribe = get_string('subscribe', 'forum'); 72 $strunsubscribe = get_string('unsubscribe', 'forum'); 73 $stryes = get_string('yes'); 74 $strno = get_string('no'); 75 $strrss = get_string('rss'); 76 $stremaildigest = get_string('emaildigest'); 77 78 $searchform = forum_search_form($course); 79 80 // Retrieve the list of forum digest options for later. 81 $digestoptions = forum_get_user_digest_options(); 82 $digestoptions_selector = new single_select(new moodle_url('/mod/forum/maildigest.php', 83 array( 84 'backtoindex' => 1, 85 )), 86 'maildigest', 87 $digestoptions, 88 null, 89 ''); 90 $digestoptions_selector->method = 'post'; 91 92 // Start of the table for General Forums 93 94 $generaltable = new html_table(); 95 $generaltable->head = array ($strforum, $strdescription, $strdiscussions); 96 $generaltable->align = array ('left', 'left', 'center'); 97 98 if ($usetracking = forum_tp_can_track_forums()) { 99 $untracked = forum_tp_get_untracked_forums($USER->id, $course->id); 100 101 $generaltable->head[] = $strunreadposts; 102 $generaltable->align[] = 'center'; 103 104 $generaltable->head[] = $strtracking; 105 $generaltable->align[] = 'center'; 106 } 107 108 // Fill the subscription cache for this course and user combination. 109 \mod_forum\subscriptions::fill_subscription_cache_for_course($course->id, $USER->id); 110 111 $can_subscribe = is_enrolled($coursecontext); 112 if ($can_subscribe) { 113 $generaltable->head[] = $strsubscribed; 114 $generaltable->align[] = 'center'; 115 116 $generaltable->head[] = $stremaildigest . ' ' . $OUTPUT->help_icon('emaildigesttype', 'mod_forum'); 117 $generaltable->align[] = 'center'; 118 } 119 120 if ($show_rss = (($can_subscribe || $course->id == SITEID) && 121 isset($CFG->enablerssfeeds) && isset($CFG->forum_enablerssfeeds) && 122 $CFG->enablerssfeeds && $CFG->forum_enablerssfeeds)) { 123 $generaltable->head[] = $strrss; 124 $generaltable->align[] = 'center'; 125 } 126 127 $usesections = course_format_uses_sections($course->format); 128 129 $table = new html_table(); 130 131 // Parse and organise all the forums. Most forums are course modules but 132 // some special ones are not. These get placed in the general forums 133 // category with the forums in section 0. 134 135 $forums = $DB->get_records_sql(" 136 SELECT f.*, 137 d.maildigest 138 FROM {forum} f 139 LEFT JOIN {forum_digests} d ON d.forum = f.id AND d.userid = ? 140 WHERE f.course = ? 141 ", array($USER->id, $course->id)); 142 143 $generalforums = array(); 144 $learningforums = array(); 145 $modinfo = get_fast_modinfo($course); 146 147 foreach ($modinfo->get_instances_of('forum') as $forumid=>$cm) { 148 if (!$cm->uservisible or !isset($forums[$forumid])) { 149 continue; 150 } 151 152 $forum = $forums[$forumid]; 153 154 if (!$context = context_module::instance($cm->id, IGNORE_MISSING)) { 155 continue; // Shouldn't happen 156 } 157 158 if (!has_capability('mod/forum:viewdiscussion', $context)) { 159 continue; 160 } 161 162 // fill two type array - order in modinfo is the same as in course 163 if ($forum->type == 'news' or $forum->type == 'social') { 164 $generalforums[$forum->id] = $forum; 165 166 } else if ($course->id == SITEID or empty($cm->sectionnum)) { 167 $generalforums[$forum->id] = $forum; 168 169 } else { 170 $learningforums[$forum->id] = $forum; 171 } 172 } 173 174 // Do course wide subscribe/unsubscribe if requested 175 if (!is_null($subscribe)) { 176 if (isguestuser() or !$can_subscribe) { 177 // There should not be any links leading to this place, just redirect. 178 redirect( 179 new moodle_url('/mod/forum/index.php', array('id' => $id)), 180 get_string('subscribeenrolledonly', 'forum'), 181 null, 182 \core\output\notification::NOTIFY_ERROR 183 ); 184 } 185 // Can proceed now, the user is not guest and is enrolled 186 foreach ($modinfo->get_instances_of('forum') as $forumid=>$cm) { 187 $forum = $forums[$forumid]; 188 $modcontext = context_module::instance($cm->id); 189 $cansub = false; 190 191 if (has_capability('mod/forum:viewdiscussion', $modcontext)) { 192 $cansub = true; 193 } 194 if ($cansub && $cm->visible == 0 && 195 !has_capability('mod/forum:managesubscriptions', $modcontext)) 196 { 197 $cansub = false; 198 } 199 if (!\mod_forum\subscriptions::is_forcesubscribed($forum)) { 200 $subscribed = \mod_forum\subscriptions::is_subscribed($USER->id, $forum, null, $cm); 201 $canmanageactivities = has_capability('moodle/course:manageactivities', $coursecontext, $USER->id); 202 if (($canmanageactivities || \mod_forum\subscriptions::is_subscribable($forum)) && $subscribe && !$subscribed && $cansub) { 203 \mod_forum\subscriptions::subscribe_user($USER->id, $forum, $modcontext, true); 204 } else if (!$subscribe && $subscribed) { 205 \mod_forum\subscriptions::unsubscribe_user($USER->id, $forum, $modcontext, true); 206 } 207 } 208 } 209 $returnto = forum_go_back_to(new moodle_url('/mod/forum/index.php', array('id' => $course->id))); 210 $shortname = format_string($course->shortname, true, array('context' => context_course::instance($course->id))); 211 if ($subscribe) { 212 redirect( 213 $returnto, 214 get_string('nowallsubscribed', 'forum', $shortname), 215 null, 216 \core\output\notification::NOTIFY_SUCCESS 217 ); 218 } else { 219 redirect( 220 $returnto, 221 get_string('nowallunsubscribed', 'forum', $shortname), 222 null, 223 \core\output\notification::NOTIFY_SUCCESS 224 ); 225 } 226 } 227 228 /// First, let's process the general forums and build up a display 229 230 if ($generalforums) { 231 foreach ($generalforums as $forum) { 232 $cm = $modinfo->instances['forum'][$forum->id]; 233 $context = context_module::instance($cm->id); 234 235 $count = forum_count_discussions($forum, $cm, $course); 236 237 if ($usetracking) { 238 if ($forum->trackingtype == FORUM_TRACKING_OFF) { 239 $unreadlink = '-'; 240 $trackedlink = '-'; 241 242 } else { 243 if (isset($untracked[$forum->id])) { 244 $unreadlink = '-'; 245 } else if ($unread = forum_tp_count_forum_unread_posts($cm, $course)) { 246 $unreadlink = '<span class="unread"><a href="view.php?f='.$forum->id.'">'.$unread.'</a>'; 247 $unreadlink .= '<a title="'.$strmarkallread.'" href="markposts.php?f='. 248 $forum->id.'&mark=read&sesskey=' . sesskey() . '"><img src="'.$OUTPUT->pix_url('t/markasread') . '" alt="'.$strmarkallread.'" class="iconsmall" /></a></span>'; 249 } else { 250 $unreadlink = '<span class="read">0</span>'; 251 } 252 253 if (($forum->trackingtype == FORUM_TRACKING_FORCED) && ($CFG->forum_allowforcedreadtracking)) { 254 $trackedlink = $stryes; 255 } else if ($forum->trackingtype === FORUM_TRACKING_OFF || ($USER->trackforums == 0)) { 256 $trackedlink = '-'; 257 } else { 258 $aurl = new moodle_url('/mod/forum/settracking.php', array( 259 'id' => $forum->id, 260 'sesskey' => sesskey(), 261 )); 262 if (!isset($untracked[$forum->id])) { 263 $trackedlink = $OUTPUT->single_button($aurl, $stryes, 'post', array('title'=>$strnotrackforum)); 264 } else { 265 $trackedlink = $OUTPUT->single_button($aurl, $strno, 'post', array('title'=>$strtrackforum)); 266 } 267 } 268 } 269 } 270 271 $forum->intro = shorten_text(format_module_intro('forum', $forum, $cm->id), $CFG->forum_shortpost); 272 $forumname = format_string($forum->name, true); 273 274 if ($cm->visible) { 275 $style = ''; 276 } else { 277 $style = 'class="dimmed"'; 278 } 279 $forumlink = "<a href=\"view.php?f=$forum->id\" $style>".format_string($forum->name,true)."</a>"; 280 $discussionlink = "<a href=\"view.php?f=$forum->id\" $style>".$count."</a>"; 281 282 $row = array ($forumlink, $forum->intro, $discussionlink); 283 if ($usetracking) { 284 $row[] = $unreadlink; 285 $row[] = $trackedlink; // Tracking. 286 } 287 288 if ($can_subscribe) { 289 $row[] = forum_get_subscribe_link($forum, $context, array('subscribed' => $stryes, 290 'unsubscribed' => $strno, 'forcesubscribed' => $stryes, 291 'cantsubscribe' => '-'), false, false, true); 292 293 $digestoptions_selector->url->param('id', $forum->id); 294 if ($forum->maildigest === null) { 295 $digestoptions_selector->selected = -1; 296 } else { 297 $digestoptions_selector->selected = $forum->maildigest; 298 } 299 $row[] = $OUTPUT->render($digestoptions_selector); 300 } 301 302 //If this forum has RSS activated, calculate it 303 if ($show_rss) { 304 if ($forum->rsstype and $forum->rssarticles) { 305 //Calculate the tooltip text 306 if ($forum->rsstype == 1) { 307 $tooltiptext = get_string('rsssubscriberssdiscussions', 'forum'); 308 } else { 309 $tooltiptext = get_string('rsssubscriberssposts', 'forum'); 310 } 311 312 if (!isloggedin() && $course->id == SITEID) { 313 $userid = guest_user()->id; 314 } else { 315 $userid = $USER->id; 316 } 317 //Get html code for RSS link 318 $row[] = rss_get_link($context->id, $userid, 'mod_forum', $forum->id, $tooltiptext); 319 } else { 320 $row[] = ' '; 321 } 322 } 323 324 $generaltable->data[] = $row; 325 } 326 } 327 328 329 // Start of the table for Learning Forums 330 $learningtable = new html_table(); 331 $learningtable->head = array ($strforum, $strdescription, $strdiscussions); 332 $learningtable->align = array ('left', 'left', 'center'); 333 334 if ($usetracking) { 335 $learningtable->head[] = $strunreadposts; 336 $learningtable->align[] = 'center'; 337 338 $learningtable->head[] = $strtracking; 339 $learningtable->align[] = 'center'; 340 } 341 342 if ($can_subscribe) { 343 $learningtable->head[] = $strsubscribed; 344 $learningtable->align[] = 'center'; 345 346 $learningtable->head[] = $stremaildigest . ' ' . $OUTPUT->help_icon('emaildigesttype', 'mod_forum'); 347 $learningtable->align[] = 'center'; 348 } 349 350 if ($show_rss = (($can_subscribe || $course->id == SITEID) && 351 isset($CFG->enablerssfeeds) && isset($CFG->forum_enablerssfeeds) && 352 $CFG->enablerssfeeds && $CFG->forum_enablerssfeeds)) { 353 $learningtable->head[] = $strrss; 354 $learningtable->align[] = 'center'; 355 } 356 357 /// Now let's process the learning forums 358 359 if ($course->id != SITEID) { // Only real courses have learning forums 360 // 'format_.'$course->format only applicable when not SITEID (format_site is not a format) 361 $strsectionname = get_string('sectionname', 'format_'.$course->format); 362 // Add extra field for section number, at the front 363 array_unshift($learningtable->head, $strsectionname); 364 array_unshift($learningtable->align, 'center'); 365 366 367 if ($learningforums) { 368 $currentsection = ''; 369 foreach ($learningforums as $forum) { 370 $cm = $modinfo->instances['forum'][$forum->id]; 371 $context = context_module::instance($cm->id); 372 373 $count = forum_count_discussions($forum, $cm, $course); 374 375 if ($usetracking) { 376 if ($forum->trackingtype == FORUM_TRACKING_OFF) { 377 $unreadlink = '-'; 378 $trackedlink = '-'; 379 380 } else { 381 if (isset($untracked[$forum->id])) { 382 $unreadlink = '-'; 383 } else if ($unread = forum_tp_count_forum_unread_posts($cm, $course)) { 384 $unreadlink = '<span class="unread"><a href="view.php?f='.$forum->id.'">'.$unread.'</a>'; 385 $unreadlink .= '<a title="'.$strmarkallread.'" href="markposts.php?f='. 386 $forum->id.'&mark=read&sesskey=' . sesskey() . '"><img src="'.$OUTPUT->pix_url('t/markasread') . '" alt="'.$strmarkallread.'" class="iconsmall" /></a></span>'; 387 } else { 388 $unreadlink = '<span class="read">0</span>'; 389 } 390 391 if (($forum->trackingtype == FORUM_TRACKING_FORCED) && ($CFG->forum_allowforcedreadtracking)) { 392 $trackedlink = $stryes; 393 } else if ($forum->trackingtype === FORUM_TRACKING_OFF || ($USER->trackforums == 0)) { 394 $trackedlink = '-'; 395 } else { 396 $aurl = new moodle_url('/mod/forum/settracking.php', array('id'=>$forum->id)); 397 if (!isset($untracked[$forum->id])) { 398 $trackedlink = $OUTPUT->single_button($aurl, $stryes, 'post', array('title'=>$strnotrackforum)); 399 } else { 400 $trackedlink = $OUTPUT->single_button($aurl, $strno, 'post', array('title'=>$strtrackforum)); 401 } 402 } 403 } 404 } 405 406 $forum->intro = shorten_text(format_module_intro('forum', $forum, $cm->id), $CFG->forum_shortpost); 407 408 if ($cm->sectionnum != $currentsection) { 409 $printsection = get_section_name($course, $cm->sectionnum); 410 if ($currentsection) { 411 $learningtable->data[] = 'hr'; 412 } 413 $currentsection = $cm->sectionnum; 414 } else { 415 $printsection = ''; 416 } 417 418 $forumname = format_string($forum->name,true); 419 420 if ($cm->visible) { 421 $style = ''; 422 } else { 423 $style = 'class="dimmed"'; 424 } 425 $forumlink = "<a href=\"view.php?f=$forum->id\" $style>".format_string($forum->name,true)."</a>"; 426 $discussionlink = "<a href=\"view.php?f=$forum->id\" $style>".$count."</a>"; 427 428 $row = array ($printsection, $forumlink, $forum->intro, $discussionlink); 429 if ($usetracking) { 430 $row[] = $unreadlink; 431 $row[] = $trackedlink; // Tracking. 432 } 433 434 if ($can_subscribe) { 435 $row[] = forum_get_subscribe_link($forum, $context, array('subscribed' => $stryes, 436 'unsubscribed' => $strno, 'forcesubscribed' => $stryes, 437 'cantsubscribe' => '-'), false, false, true); 438 439 $digestoptions_selector->url->param('id', $forum->id); 440 if ($forum->maildigest === null) { 441 $digestoptions_selector->selected = -1; 442 } else { 443 $digestoptions_selector->selected = $forum->maildigest; 444 } 445 $row[] = $OUTPUT->render($digestoptions_selector); 446 } 447 448 //If this forum has RSS activated, calculate it 449 if ($show_rss) { 450 if ($forum->rsstype and $forum->rssarticles) { 451 //Calculate the tolltip text 452 if ($forum->rsstype == 1) { 453 $tooltiptext = get_string('rsssubscriberssdiscussions', 'forum'); 454 } else { 455 $tooltiptext = get_string('rsssubscriberssposts', 'forum'); 456 } 457 //Get html code for RSS link 458 $row[] = rss_get_link($context->id, $USER->id, 'mod_forum', $forum->id, $tooltiptext); 459 } else { 460 $row[] = ' '; 461 } 462 } 463 464 $learningtable->data[] = $row; 465 } 466 } 467 } 468 469 470 /// Output the page 471 $PAGE->navbar->add($strforums); 472 $PAGE->set_title("$course->shortname: $strforums"); 473 $PAGE->set_heading($course->fullname); 474 $PAGE->set_button($searchform); 475 echo $OUTPUT->header(); 476 477 // Show the subscribe all options only to non-guest, enrolled users 478 if (!isguestuser() && isloggedin() && $can_subscribe) { 479 echo $OUTPUT->box_start('subscription'); 480 echo html_writer::tag('div', 481 html_writer::link(new moodle_url('/mod/forum/index.php', array('id'=>$course->id, 'subscribe'=>1, 'sesskey'=>sesskey())), 482 get_string('allsubscribe', 'forum')), 483 array('class'=>'helplink')); 484 echo html_writer::tag('div', 485 html_writer::link(new moodle_url('/mod/forum/index.php', array('id'=>$course->id, 'subscribe'=>0, 'sesskey'=>sesskey())), 486 get_string('allunsubscribe', 'forum')), 487 array('class'=>'helplink')); 488 echo $OUTPUT->box_end(); 489 echo $OUTPUT->box(' ', 'clearer'); 490 } 491 492 if ($generalforums) { 493 echo $OUTPUT->heading(get_string('generalforums', 'forum'), 2); 494 echo html_writer::table($generaltable); 495 } 496 497 if ($learningforums) { 498 echo $OUTPUT->heading(get_string('learningforums', 'forum'), 2); 499 echo html_writer::table($learningtable); 500 } 501 502 echo $OUTPUT->footer(); 503
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| Generated: Thu Aug 11 10:00:09 2016 | Cross-referenced by PHPXref 0.7.1 |