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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 * Edit and save a new post to a discussion 20 * 21 * @package mod_forum 22 * @copyright 1999 onwards Martin Dougiamas {@link http://moodle.com} 23 * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later 24 */ 25 26 require_once('../../config.php'); 27 require_once ('lib.php'); 28 require_once($CFG->libdir.'/completionlib.php'); 29 30 $reply = optional_param('reply', 0, PARAM_INT); 31 $forum = optional_param('forum', 0, PARAM_INT); 32 $edit = optional_param('edit', 0, PARAM_INT); 33 $delete = optional_param('delete', 0, PARAM_INT); 34 $prune = optional_param('prune', 0, PARAM_INT); 35 $name = optional_param('name', '', PARAM_CLEAN); 36 $confirm = optional_param('confirm', 0, PARAM_INT); 37 $groupid = optional_param('groupid', null, PARAM_INT); 38 39 $PAGE->set_url('/mod/forum/post.php', array( 40 'reply' => $reply, 41 'forum' => $forum, 42 'edit' => $edit, 43 'delete'=> $delete, 44 'prune' => $prune, 45 'name' => $name, 46 'confirm'=>$confirm, 47 'groupid'=>$groupid, 48 )); 49 //these page_params will be passed as hidden variables later in the form. 50 $page_params = array('reply'=>$reply, 'forum'=>$forum, 'edit'=>$edit); 51 52 $sitecontext = context_system::instance(); 53 54 if (!isloggedin() or isguestuser()) { 55 56 if (!isloggedin() and !get_local_referer()) { 57 // No referer+not logged in - probably coming in via email See MDL-9052 58 require_login(); 59 } 60 61 if (!empty($forum)) { // User is starting a new discussion in a forum 62 if (! $forum = $DB->get_record('forum', array('id' => $forum))) { 63 print_error('invalidforumid', 'forum'); 64 } 65 } else if (!empty($reply)) { // User is writing a new reply 66 if (! $parent = forum_get_post_full($reply)) { 67 print_error('invalidparentpostid', 'forum'); 68 } 69 if (! $discussion = $DB->get_record('forum_discussions', array('id' => $parent->discussion))) { 70 print_error('notpartofdiscussion', 'forum'); 71 } 72 if (! $forum = $DB->get_record('forum', array('id' => $discussion->forum))) { 73 print_error('invalidforumid'); 74 } 75 } 76 if (! $course = $DB->get_record('course', array('id' => $forum->course))) { 77 print_error('invalidcourseid'); 78 } 79 80 if (!$cm = get_coursemodule_from_instance('forum', $forum->id, $course->id)) { // For the logs 81 print_error('invalidcoursemodule'); 82 } else { 83 $modcontext = context_module::instance($cm->id); 84 } 85 86 $PAGE->set_cm($cm, $course, $forum); 87 $PAGE->set_context($modcontext); 88 $PAGE->set_title($course->shortname); 89 $PAGE->set_heading($course->fullname); 90 $referer = get_local_referer(false); 91 92 echo $OUTPUT->header(); 93 echo $OUTPUT->confirm(get_string('noguestpost', 'forum').'<br /><br />'.get_string('liketologin'), get_login_url(), $referer); 94 echo $OUTPUT->footer(); 95 exit; 96 } 97 98 require_login(0, false); // Script is useless unless they're logged in 99 100 if (!empty($forum)) { // User is starting a new discussion in a forum 101 if (! $forum = $DB->get_record("forum", array("id" => $forum))) { 102 print_error('invalidforumid', 'forum'); 103 } 104 if (! $course = $DB->get_record("course", array("id" => $forum->course))) { 105 print_error('invalidcourseid'); 106 } 107 if (! $cm = get_coursemodule_from_instance("forum", $forum->id, $course->id)) { 108 print_error("invalidcoursemodule"); 109 } 110 111 // Retrieve the contexts. 112 $modcontext = context_module::instance($cm->id); 113 $coursecontext = context_course::instance($course->id); 114 115 if (! forum_user_can_post_discussion($forum, $groupid, -1, $cm)) { 116 if (!isguestuser()) { 117 if (!is_enrolled($coursecontext)) { 118 if (enrol_selfenrol_available($course->id)) { 119 $SESSION->wantsurl = qualified_me(); 120 $SESSION->enrolcancel = get_local_referer(false); 121 redirect(new moodle_url('/enrol/index.php', array('id' => $course->id, 122 'returnurl' => '/mod/forum/view.php?f=' . $forum->id)), 123 get_string('youneedtoenrol')); 124 } 125 } 126 } 127 print_error('nopostforum', 'forum'); 128 } 129 130 if (!$cm->visible and !has_capability('moodle/course:viewhiddenactivities', $modcontext)) { 131 print_error("activityiscurrentlyhidden"); 132 } 133 134 $SESSION->fromurl = get_local_referer(false); 135 136 // Load up the $post variable. 137 138 $post = new stdClass(); 139 $post->course = $course->id; 140 $post->forum = $forum->id; 141 $post->discussion = 0; // ie discussion # not defined yet 142 $post->parent = 0; 143 $post->subject = ''; 144 $post->userid = $USER->id; 145 $post->message = ''; 146 $post->messageformat = editors_get_preferred_format(); 147 $post->messagetrust = 0; 148 149 if (isset($groupid)) { 150 $post->groupid = $groupid; 151 } else { 152 $post->groupid = groups_get_activity_group($cm); 153 } 154 155 // Unsetting this will allow the correct return URL to be calculated later. 156 unset($SESSION->fromdiscussion); 157 158 } else if (!empty($reply)) { // User is writing a new reply 159 160 if (! $parent = forum_get_post_full($reply)) { 161 print_error('invalidparentpostid', 'forum'); 162 } 163 if (! $discussion = $DB->get_record("forum_discussions", array("id" => $parent->discussion))) { 164 print_error('notpartofdiscussion', 'forum'); 165 } 166 if (! $forum = $DB->get_record("forum", array("id" => $discussion->forum))) { 167 print_error('invalidforumid', 'forum'); 168 } 169 if (! $course = $DB->get_record("course", array("id" => $discussion->course))) { 170 print_error('invalidcourseid'); 171 } 172 if (! $cm = get_coursemodule_from_instance("forum", $forum->id, $course->id)) { 173 print_error('invalidcoursemodule'); 174 } 175 176 // Ensure lang, theme, etc. is set up properly. MDL-6926 177 $PAGE->set_cm($cm, $course, $forum); 178 179 // Retrieve the contexts. 180 $modcontext = context_module::instance($cm->id); 181 $coursecontext = context_course::instance($course->id); 182 183 if (! forum_user_can_post($forum, $discussion, $USER, $cm, $course, $modcontext)) { 184 if (!isguestuser()) { 185 if (!is_enrolled($coursecontext)) { // User is a guest here! 186 $SESSION->wantsurl = qualified_me(); 187 $SESSION->enrolcancel = get_local_referer(false); 188 redirect(new moodle_url('/enrol/index.php', array('id' => $course->id, 189 'returnurl' => '/mod/forum/view.php?f=' . $forum->id)), 190 get_string('youneedtoenrol')); 191 } 192 } 193 print_error('nopostforum', 'forum'); 194 } 195 196 // Make sure user can post here 197 if (isset($cm->groupmode) && empty($course->groupmodeforce)) { 198 $groupmode = $cm->groupmode; 199 } else { 200 $groupmode = $course->groupmode; 201 } 202 if ($groupmode == SEPARATEGROUPS and !has_capability('moodle/site:accessallgroups', $modcontext)) { 203 if ($discussion->groupid == -1) { 204 print_error('nopostforum', 'forum'); 205 } else { 206 if (!groups_is_member($discussion->groupid)) { 207 print_error('nopostforum', 'forum'); 208 } 209 } 210 } 211 212 if (!$cm->visible and !has_capability('moodle/course:viewhiddenactivities', $modcontext)) { 213 print_error("activityiscurrentlyhidden"); 214 } 215 216 // Load up the $post variable. 217 218 $post = new stdClass(); 219 $post->course = $course->id; 220 $post->forum = $forum->id; 221 $post->discussion = $parent->discussion; 222 $post->parent = $parent->id; 223 $post->subject = $parent->subject; 224 $post->userid = $USER->id; 225 $post->message = ''; 226 227 $post->groupid = ($discussion->groupid == -1) ? 0 : $discussion->groupid; 228 229 $strre = get_string('re', 'forum'); 230 if (!(substr($post->subject, 0, strlen($strre)) == $strre)) { 231 $post->subject = $strre.' '.$post->subject; 232 } 233 234 // Unsetting this will allow the correct return URL to be calculated later. 235 unset($SESSION->fromdiscussion); 236 237 } else if (!empty($edit)) { // User is editing their own post 238 239 if (! $post = forum_get_post_full($edit)) { 240 print_error('invalidpostid', 'forum'); 241 } 242 if ($post->parent) { 243 if (! $parent = forum_get_post_full($post->parent)) { 244 print_error('invalidparentpostid', 'forum'); 245 } 246 } 247 248 if (! $discussion = $DB->get_record("forum_discussions", array("id" => $post->discussion))) { 249 print_error('notpartofdiscussion', 'forum'); 250 } 251 if (! $forum = $DB->get_record("forum", array("id" => $discussion->forum))) { 252 print_error('invalidforumid', 'forum'); 253 } 254 if (! $course = $DB->get_record("course", array("id" => $discussion->course))) { 255 print_error('invalidcourseid'); 256 } 257 if (!$cm = get_coursemodule_from_instance("forum", $forum->id, $course->id)) { 258 print_error('invalidcoursemodule'); 259 } else { 260 $modcontext = context_module::instance($cm->id); 261 } 262 263 $PAGE->set_cm($cm, $course, $forum); 264 265 if (!($forum->type == 'news' && !$post->parent && $discussion->timestart > time())) { 266 if (((time() - $post->created) > $CFG->maxeditingtime) and 267 !has_capability('mod/forum:editanypost', $modcontext)) { 268 print_error('maxtimehaspassed', 'forum', '', format_time($CFG->maxeditingtime)); 269 } 270 } 271 if (($post->userid <> $USER->id) and 272 !has_capability('mod/forum:editanypost', $modcontext)) { 273 print_error('cannoteditposts', 'forum'); 274 } 275 276 277 // Load up the $post variable. 278 $post->edit = $edit; 279 $post->course = $course->id; 280 $post->forum = $forum->id; 281 $post->groupid = ($discussion->groupid == -1) ? 0 : $discussion->groupid; 282 283 $post = trusttext_pre_edit($post, 'message', $modcontext); 284 285 // Unsetting this will allow the correct return URL to be calculated later. 286 unset($SESSION->fromdiscussion); 287 288 }else if (!empty($delete)) { // User is deleting a post 289 290 if (! $post = forum_get_post_full($delete)) { 291 print_error('invalidpostid', 'forum'); 292 } 293 if (! $discussion = $DB->get_record("forum_discussions", array("id" => $post->discussion))) { 294 print_error('notpartofdiscussion', 'forum'); 295 } 296 if (! $forum = $DB->get_record("forum", array("id" => $discussion->forum))) { 297 print_error('invalidforumid', 'forum'); 298 } 299 if (!$cm = get_coursemodule_from_instance("forum", $forum->id, $forum->course)) { 300 print_error('invalidcoursemodule'); 301 } 302 if (!$course = $DB->get_record('course', array('id' => $forum->course))) { 303 print_error('invalidcourseid'); 304 } 305 306 require_login($course, false, $cm); 307 $modcontext = context_module::instance($cm->id); 308 309 if ( !(($post->userid == $USER->id && has_capability('mod/forum:deleteownpost', $modcontext)) 310 || has_capability('mod/forum:deleteanypost', $modcontext)) ) { 311 print_error('cannotdeletepost', 'forum'); 312 } 313 314 315 $replycount = forum_count_replies($post); 316 317 if (!empty($confirm) && confirm_sesskey()) { // User has confirmed the delete 318 //check user capability to delete post. 319 $timepassed = time() - $post->created; 320 if (($timepassed > $CFG->maxeditingtime) && !has_capability('mod/forum:deleteanypost', $modcontext)) { 321 print_error("cannotdeletepost", "forum", 322 forum_go_back_to(new moodle_url("/mod/forum/discuss.php", array('d' => $post->discussion)))); 323 } 324 325 if ($post->totalscore) { 326 notice(get_string('couldnotdeleteratings', 'rating'), 327 forum_go_back_to(new moodle_url("/mod/forum/discuss.php", array('d' => $post->discussion)))); 328 329 } else if ($replycount && !has_capability('mod/forum:deleteanypost', $modcontext)) { 330 print_error("couldnotdeletereplies", "forum", 331 forum_go_back_to(new moodle_url("/mod/forum/discuss.php", array('d' => $post->discussion)))); 332 333 } else { 334 if (! $post->parent) { // post is a discussion topic as well, so delete discussion 335 if ($forum->type == 'single') { 336 notice("Sorry, but you are not allowed to delete that discussion!", 337 forum_go_back_to(new moodle_url("/mod/forum/discuss.php", array('d' => $post->discussion)))); 338 } 339 forum_delete_discussion($discussion, false, $course, $cm, $forum); 340 341 $params = array( 342 'objectid' => $discussion->id, 343 'context' => $modcontext, 344 'other' => array( 345 'forumid' => $forum->id, 346 ) 347 ); 348 349 $event = \mod_forum\event\discussion_deleted::create($params); 350 $event->add_record_snapshot('forum_discussions', $discussion); 351 $event->trigger(); 352 353 redirect("view.php?f=$discussion->forum"); 354 355 } else if (forum_delete_post($post, has_capability('mod/forum:deleteanypost', $modcontext), 356 $course, $cm, $forum)) { 357 358 if ($forum->type == 'single') { 359 // Single discussion forums are an exception. We show 360 // the forum itself since it only has one discussion 361 // thread. 362 $discussionurl = new moodle_url("/mod/forum/view.php", array('f' => $forum->id)); 363 } else { 364 $discussionurl = new moodle_url("/mod/forum/discuss.php", array('d' => $discussion->id)); 365 } 366 367 redirect(forum_go_back_to($discussionurl)); 368 } else { 369 print_error('errorwhiledelete', 'forum'); 370 } 371 } 372 373 374 } else { // User just asked to delete something 375 376 forum_set_return(); 377 $PAGE->navbar->add(get_string('delete', 'forum')); 378 $PAGE->set_title($course->shortname); 379 $PAGE->set_heading($course->fullname); 380 381 if ($replycount) { 382 if (!has_capability('mod/forum:deleteanypost', $modcontext)) { 383 print_error("couldnotdeletereplies", "forum", 384 forum_go_back_to(new moodle_url('/mod/forum/discuss.php', array('d' => $post->discussion), 'p'.$post->id))); 385 } 386 echo $OUTPUT->header(); 387 echo $OUTPUT->heading(format_string($forum->name), 2); 388 echo $OUTPUT->confirm(get_string("deletesureplural", "forum", $replycount+1), 389 "post.php?delete=$delete&confirm=$delete", 390 $CFG->wwwroot.'/mod/forum/discuss.php?d='.$post->discussion.'#p'.$post->id); 391 392 forum_print_post($post, $discussion, $forum, $cm, $course, false, false, false); 393 394 if (empty($post->edit)) { 395 $forumtracked = forum_tp_is_tracked($forum); 396 $posts = forum_get_all_discussion_posts($discussion->id, "created ASC", $forumtracked); 397 forum_print_posts_nested($course, $cm, $forum, $discussion, $post, false, false, $forumtracked, $posts); 398 } 399 } else { 400 echo $OUTPUT->header(); 401 echo $OUTPUT->heading(format_string($forum->name), 2); 402 echo $OUTPUT->confirm(get_string("deletesure", "forum", $replycount), 403 "post.php?delete=$delete&confirm=$delete", 404 $CFG->wwwroot.'/mod/forum/discuss.php?d='.$post->discussion.'#p'.$post->id); 405 forum_print_post($post, $discussion, $forum, $cm, $course, false, false, false); 406 } 407 408 } 409 echo $OUTPUT->footer(); 410 die; 411 412 413 } else if (!empty($prune)) { // Pruning 414 415 if (!$post = forum_get_post_full($prune)) { 416 print_error('invalidpostid', 'forum'); 417 } 418 if (!$discussion = $DB->get_record("forum_discussions", array("id" => $post->discussion))) { 419 print_error('notpartofdiscussion', 'forum'); 420 } 421 if (!$forum = $DB->get_record("forum", array("id" => $discussion->forum))) { 422 print_error('invalidforumid', 'forum'); 423 } 424 if ($forum->type == 'single') { 425 print_error('cannotsplit', 'forum'); 426 } 427 if (!$post->parent) { 428 print_error('alreadyfirstpost', 'forum'); 429 } 430 if (!$cm = get_coursemodule_from_instance("forum", $forum->id, $forum->course)) { // For the logs 431 print_error('invalidcoursemodule'); 432 } else { 433 $modcontext = context_module::instance($cm->id); 434 } 435 if (!has_capability('mod/forum:splitdiscussions', $modcontext)) { 436 print_error('cannotsplit', 'forum'); 437 } 438 439 $PAGE->set_cm($cm); 440 $PAGE->set_context($modcontext); 441 442 $prunemform = new mod_forum_prune_form(null, array('prune' => $prune, 'confirm' => $prune)); 443 444 445 if ($prunemform->is_cancelled()) { 446 redirect(forum_go_back_to(new moodle_url("/mod/forum/discuss.php", array('d' => $post->discussion)))); 447 } else if ($fromform = $prunemform->get_data()) { 448 // User submits the data. 449 $newdiscussion = new stdClass(); 450 $newdiscussion->course = $discussion->course; 451 $newdiscussion->forum = $discussion->forum; 452 $newdiscussion->name = $name; 453 $newdiscussion->firstpost = $post->id; 454 $newdiscussion->userid = $discussion->userid; 455 $newdiscussion->groupid = $discussion->groupid; 456 $newdiscussion->assessed = $discussion->assessed; 457 $newdiscussion->usermodified = $post->userid; 458 $newdiscussion->timestart = $discussion->timestart; 459 $newdiscussion->timeend = $discussion->timeend; 460 461 $newid = $DB->insert_record('forum_discussions', $newdiscussion); 462 463 $newpost = new stdClass(); 464 $newpost->id = $post->id; 465 $newpost->parent = 0; 466 $newpost->subject = $name; 467 468 $DB->update_record("forum_posts", $newpost); 469 470 forum_change_discussionid($post->id, $newid); 471 472 // Update last post in each discussion. 473 forum_discussion_update_last_post($discussion->id); 474 forum_discussion_update_last_post($newid); 475 476 // Fire events to reflect the split.. 477 $params = array( 478 'context' => $modcontext, 479 'objectid' => $discussion->id, 480 'other' => array( 481 'forumid' => $forum->id, 482 ) 483 ); 484 $event = \mod_forum\event\discussion_updated::create($params); 485 $event->trigger(); 486 487 $params = array( 488 'context' => $modcontext, 489 'objectid' => $newid, 490 'other' => array( 491 'forumid' => $forum->id, 492 ) 493 ); 494 $event = \mod_forum\event\discussion_created::create($params); 495 $event->trigger(); 496 497 $params = array( 498 'context' => $modcontext, 499 'objectid' => $post->id, 500 'other' => array( 501 'discussionid' => $newid, 502 'forumid' => $forum->id, 503 'forumtype' => $forum->type, 504 ) 505 ); 506 $event = \mod_forum\event\post_updated::create($params); 507 $event->add_record_snapshot('forum_discussions', $discussion); 508 $event->trigger(); 509 510 redirect(forum_go_back_to(new moodle_url("/mod/forum/discuss.php", array('d' => $newid)))); 511 512 } else { 513 // Display the prune form. 514 $course = $DB->get_record('course', array('id' => $forum->course)); 515 $PAGE->navbar->add(format_string($post->subject, true), new moodle_url('/mod/forum/discuss.php', array('d'=>$discussion->id))); 516 $PAGE->navbar->add(get_string("prune", "forum")); 517 $PAGE->set_title(format_string($discussion->name).": ".format_string($post->subject)); 518 $PAGE->set_heading($course->fullname); 519 echo $OUTPUT->header(); 520 echo $OUTPUT->heading(format_string($forum->name), 2); 521 echo $OUTPUT->heading(get_string('pruneheading', 'forum'), 3); 522 523 $prunemform->display(); 524 525 forum_print_post($post, $discussion, $forum, $cm, $course, false, false, false); 526 } 527 528 echo $OUTPUT->footer(); 529 die; 530 } else { 531 print_error('unknowaction'); 532 533 } 534 535 if (!isset($coursecontext)) { 536 // Has not yet been set by post.php. 537 $coursecontext = context_course::instance($forum->course); 538 } 539 540 541 // from now on user must be logged on properly 542 543 if (!$cm = get_coursemodule_from_instance('forum', $forum->id, $course->id)) { // For the logs 544 print_error('invalidcoursemodule'); 545 } 546 $modcontext = context_module::instance($cm->id); 547 require_login($course, false, $cm); 548 549 if (isguestuser()) { 550 // just in case 551 print_error('noguest'); 552 } 553 554 if (!isset($forum->maxattachments)) { // TODO - delete this once we add a field to the forum table 555 $forum->maxattachments = 3; 556 } 557 558 $thresholdwarning = forum_check_throttling($forum, $cm); 559 $mform_post = new mod_forum_post_form('post.php', array('course' => $course, 560 'cm' => $cm, 561 'coursecontext' => $coursecontext, 562 'modcontext' => $modcontext, 563 'forum' => $forum, 564 'post' => $post, 565 'subscribe' => \mod_forum\subscriptions::is_subscribed($USER->id, $forum, 566 null, $cm), 567 'thresholdwarning' => $thresholdwarning, 568 'edit' => $edit), 'post', '', array('id' => 'mformforum')); 569 570 $draftitemid = file_get_submitted_draft_itemid('attachments'); 571 file_prepare_draft_area($draftitemid, $modcontext->id, 'mod_forum', 'attachment', empty($post->id)?null:$post->id, mod_forum_post_form::attachment_options($forum)); 572 573 //load data into form NOW! 574 575 if ($USER->id != $post->userid) { // Not the original author, so add a message to the end 576 $data = new stdClass(); 577 $data->date = userdate($post->modified); 578 if ($post->messageformat == FORMAT_HTML) { 579 $data->name = '<a href="'.$CFG->wwwroot.'/user/view.php?id='.$USER->id.'&course='.$post->course.'">'. 580 fullname($USER).'</a>'; 581 $post->message .= '<p><span class="edited">('.get_string('editedby', 'forum', $data).')</span></p>'; 582 } else { 583 $data->name = fullname($USER); 584 $post->message .= "\n\n(".get_string('editedby', 'forum', $data).')'; 585 } 586 unset($data); 587 } 588 589 $formheading = ''; 590 if (!empty($parent)) { 591 $heading = get_string("yourreply", "forum"); 592 $formheading = get_string('reply', 'forum'); 593 } else { 594 if ($forum->type == 'qanda') { 595 $heading = get_string('yournewquestion', 'forum'); 596 } else { 597 $heading = get_string('yournewtopic', 'forum'); 598 } 599 } 600 601 $postid = empty($post->id) ? null : $post->id; 602 $draftid_editor = file_get_submitted_draft_itemid('message'); 603 $currenttext = file_prepare_draft_area($draftid_editor, $modcontext->id, 'mod_forum', 'post', $postid, mod_forum_post_form::editor_options($modcontext, $postid), $post->message); 604 605 $manageactivities = has_capability('moodle/course:manageactivities', $coursecontext); 606 if (\mod_forum\subscriptions::subscription_disabled($forum) && !$manageactivities) { 607 // User does not have permission to subscribe to this discussion at all. 608 $discussionsubscribe = false; 609 } else if (\mod_forum\subscriptions::is_forcesubscribed($forum)) { 610 // User does not have permission to unsubscribe from this discussion at all. 611 $discussionsubscribe = true; 612 } else { 613 if (isset($discussion) && \mod_forum\subscriptions::is_subscribed($USER->id, $forum, $discussion->id, $cm)) { 614 // User is subscribed to the discussion - continue the subscription. 615 $discussionsubscribe = true; 616 } else if (!isset($discussion) && \mod_forum\subscriptions::is_subscribed($USER->id, $forum, null, $cm)) { 617 // Starting a new discussion, and the user is subscribed to the forum - subscribe to the discussion. 618 $discussionsubscribe = true; 619 } else { 620 // User is not subscribed to either forum or discussion. Follow user preference. 621 $discussionsubscribe = $USER->autosubscribe; 622 } 623 } 624 625 $mform_post->set_data(array( 'attachments'=>$draftitemid, 626 'general'=>$heading, 627 'subject'=>$post->subject, 628 'message'=>array( 629 'text'=>$currenttext, 630 'format'=>empty($post->messageformat) ? editors_get_preferred_format() : $post->messageformat, 631 'itemid'=>$draftid_editor 632 ), 633 'discussionsubscribe' => $discussionsubscribe, 634 'mailnow'=>!empty($post->mailnow), 635 'userid'=>$post->userid, 636 'parent'=>$post->parent, 637 'discussion'=>$post->discussion, 638 'course'=>$course->id) + 639 $page_params + 640 641 (isset($post->format)?array( 642 'format'=>$post->format): 643 array())+ 644 645 (isset($discussion->timestart)?array( 646 'timestart'=>$discussion->timestart): 647 array())+ 648 649 (isset($discussion->timeend)?array( 650 'timeend'=>$discussion->timeend): 651 array())+ 652 653 (isset($discussion->pinned) ? array( 654 'pinned' => $discussion->pinned) : 655 array()) + 656 657 (isset($post->groupid)?array( 658 'groupid'=>$post->groupid): 659 array())+ 660 661 (isset($discussion->id)? 662 array('discussion'=>$discussion->id): 663 array())); 664 665 if ($mform_post->is_cancelled()) { 666 if (!isset($discussion->id) || $forum->type === 'qanda') { 667 // Q and A forums don't have a discussion page, so treat them like a new thread.. 668 redirect(new moodle_url('/mod/forum/view.php', array('f' => $forum->id))); 669 } else { 670 redirect(new moodle_url('/mod/forum/discuss.php', array('d' => $discussion->id))); 671 } 672 } else if ($fromform = $mform_post->get_data()) { 673 674 if (empty($SESSION->fromurl)) { 675 $errordestination = "$CFG->wwwroot/mod/forum/view.php?f=$forum->id"; 676 } else { 677 $errordestination = $SESSION->fromurl; 678 } 679 680 $fromform->itemid = $fromform->message['itemid']; 681 $fromform->messageformat = $fromform->message['format']; 682 $fromform->message = $fromform->message['text']; 683 // WARNING: the $fromform->message array has been overwritten, do not use it anymore! 684 $fromform->messagetrust = trusttext_trusted($modcontext); 685 686 if ($fromform->edit) { // Updating a post 687 unset($fromform->groupid); 688 $fromform->id = $fromform->edit; 689 $message = ''; 690 691 //fix for bug #4314 692 if (!$realpost = $DB->get_record('forum_posts', array('id' => $fromform->id))) { 693 $realpost = new stdClass(); 694 $realpost->userid = -1; 695 } 696 697 698 // if user has edit any post capability 699 // or has either startnewdiscussion or reply capability and is editting own post 700 // then he can proceed 701 // MDL-7066 702 if ( !(($realpost->userid == $USER->id && (has_capability('mod/forum:replypost', $modcontext) 703 || has_capability('mod/forum:startdiscussion', $modcontext))) || 704 has_capability('mod/forum:editanypost', $modcontext)) ) { 705 print_error('cannotupdatepost', 'forum'); 706 } 707 708 // If the user has access to all groups and they are changing the group, then update the post. 709 if (isset($fromform->groupinfo) && has_capability('mod/forum:movediscussions', $modcontext)) { 710 if (empty($fromform->groupinfo)) { 711 $fromform->groupinfo = -1; 712 } 713 714 if (!forum_user_can_post_discussion($forum, $fromform->groupinfo, null, $cm, $modcontext)) { 715 print_error('cannotupdatepost', 'forum'); 716 } 717 718 $DB->set_field('forum_discussions' ,'groupid' , $fromform->groupinfo, array('firstpost' => $fromform->id)); 719 } 720 // When editing first post/discussion. 721 if (!$fromform->parent) { 722 if (has_capability('mod/forum:pindiscussions', $modcontext)) { 723 // Can change pinned if we have capability. 724 $fromform->pinned = !empty($fromform->pinned) ? FORUM_DISCUSSION_PINNED : FORUM_DISCUSSION_UNPINNED; 725 } else { 726 // We don't have the capability to change so keep to previous value. 727 unset($fromform->pinned); 728 } 729 } 730 $updatepost = $fromform; //realpost 731 $updatepost->forum = $forum->id; 732 if (!forum_update_post($updatepost, $mform_post, $message)) { 733 print_error("couldnotupdate", "forum", $errordestination); 734 } 735 736 // MDL-11818 737 if (($forum->type == 'single') && ($updatepost->parent == '0')){ // updating first post of single discussion type -> updating forum intro 738 $forum->intro = $updatepost->message; 739 $forum->timemodified = time(); 740 $DB->update_record("forum", $forum); 741 } 742 743 if ($realpost->userid == $USER->id) { 744 $message .= '<br />'.get_string("postupdated", "forum"); 745 } else { 746 $realuser = $DB->get_record('user', array('id' => $realpost->userid)); 747 $message .= '<br />'.get_string("editedpostupdated", "forum", fullname($realuser)); 748 } 749 750 $subscribemessage = forum_post_subscription($fromform, $forum, $discussion); 751 if ($forum->type == 'single') { 752 // Single discussion forums are an exception. We show 753 // the forum itself since it only has one discussion 754 // thread. 755 $discussionurl = new moodle_url("/mod/forum/view.php", array('f' => $forum->id)); 756 } else { 757 $discussionurl = new moodle_url("/mod/forum/discuss.php", array('d' => $discussion->id), 'p' . $fromform->id); 758 } 759 760 $params = array( 761 'context' => $modcontext, 762 'objectid' => $fromform->id, 763 'other' => array( 764 'discussionid' => $discussion->id, 765 'forumid' => $forum->id, 766 'forumtype' => $forum->type, 767 ) 768 ); 769 770 if ($realpost->userid !== $USER->id) { 771 $params['relateduserid'] = $realpost->userid; 772 } 773 774 $event = \mod_forum\event\post_updated::create($params); 775 $event->add_record_snapshot('forum_discussions', $discussion); 776 $event->trigger(); 777 778 redirect( 779 forum_go_back_to($discussionurl), 780 $message . $subscribemessage, 781 null, 782 \core\output\notification::NOTIFY_SUCCESS 783 ); 784 785 } else if ($fromform->discussion) { // Adding a new post to an existing discussion 786 // Before we add this we must check that the user will not exceed the blocking threshold. 787 forum_check_blocking_threshold($thresholdwarning); 788 789 unset($fromform->groupid); 790 $message = ''; 791 $addpost = $fromform; 792 $addpost->forum=$forum->id; 793 if ($fromform->id = forum_add_new_post($addpost, $mform_post, $message)) { 794 $subscribemessage = forum_post_subscription($fromform, $forum, $discussion); 795 796 if (!empty($fromform->mailnow)) { 797 $message .= get_string("postmailnow", "forum"); 798 } else { 799 $message .= '<p>'.get_string("postaddedsuccess", "forum") . '</p>'; 800 $message .= '<p>'.get_string("postaddedtimeleft", "forum", format_time($CFG->maxeditingtime)) . '</p>'; 801 } 802 803 if ($forum->type == 'single') { 804 // Single discussion forums are an exception. We show 805 // the forum itself since it only has one discussion 806 // thread. 807 $discussionurl = new moodle_url("/mod/forum/view.php", array('f' => $forum->id), 'p'.$fromform->id); 808 } else { 809 $discussionurl = new moodle_url("/mod/forum/discuss.php", array('d' => $discussion->id), 'p'.$fromform->id); 810 } 811 812 $params = array( 813 'context' => $modcontext, 814 'objectid' => $fromform->id, 815 'other' => array( 816 'discussionid' => $discussion->id, 817 'forumid' => $forum->id, 818 'forumtype' => $forum->type, 819 ) 820 ); 821 $event = \mod_forum\event\post_created::create($params); 822 $event->add_record_snapshot('forum_posts', $fromform); 823 $event->add_record_snapshot('forum_discussions', $discussion); 824 $event->trigger(); 825 826 // Update completion state 827 $completion=new completion_info($course); 828 if($completion->is_enabled($cm) && 829 ($forum->completionreplies || $forum->completionposts)) { 830 $completion->update_state($cm,COMPLETION_COMPLETE); 831 } 832 833 redirect( 834 forum_go_back_to($discussionurl), 835 $message . $subscribemessage, 836 null, 837 \core\output\notification::NOTIFY_SUCCESS 838 ); 839 840 } else { 841 print_error("couldnotadd", "forum", $errordestination); 842 } 843 exit; 844 845 } else { // Adding a new discussion. 846 // The location to redirect to after successfully posting. 847 $redirectto = new moodle_url('view.php', array('f' => $fromform->forum)); 848 849 $fromform->mailnow = empty($fromform->mailnow) ? 0 : 1; 850 851 $discussion = $fromform; 852 $discussion->name = $fromform->subject; 853 854 $newstopic = false; 855 if ($forum->type == 'news' && !$fromform->parent) { 856 $newstopic = true; 857 } 858 $discussion->timestart = $fromform->timestart; 859 $discussion->timeend = $fromform->timeend; 860 861 if (has_capability('mod/forum:pindiscussions', $modcontext) && !empty($fromform->pinned)) { 862 $discussion->pinned = FORUM_DISCUSSION_PINNED; 863 } else { 864 $discussion->pinned = FORUM_DISCUSSION_UNPINNED; 865 } 866 867 $allowedgroups = array(); 868 $groupstopostto = array(); 869 870 // If we are posting a copy to all groups the user has access to. 871 if (isset($fromform->posttomygroups)) { 872 // Post to each of my groups. 873 require_capability('mod/forum:canposttomygroups', $modcontext); 874 875 // Fetch all of this user's groups. 876 // Note: all groups are returned when in visible groups mode so we must manually filter. 877 $allowedgroups = groups_get_activity_allowed_groups($cm); 878 foreach ($allowedgroups as $groupid => $group) { 879 if (forum_user_can_post_discussion($forum, $groupid, -1, $cm, $modcontext)) { 880 $groupstopostto[] = $groupid; 881 } 882 } 883 } else if (isset($fromform->groupinfo)) { 884 // Use the value provided in the dropdown group selection. 885 $groupstopostto[] = $fromform->groupinfo; 886 $redirectto->param('group', $fromform->groupinfo); 887 } else if (isset($fromform->groupid) && !empty($fromform->groupid)) { 888 // Use the value provided in the hidden form element instead. 889 $groupstopostto[] = $fromform->groupid; 890 $redirectto->param('group', $fromform->groupid); 891 } else { 892 // Use the value for all participants instead. 893 $groupstopostto[] = -1; 894 } 895 896 // Before we post this we must check that the user will not exceed the blocking threshold. 897 forum_check_blocking_threshold($thresholdwarning); 898 899 foreach ($groupstopostto as $group) { 900 if (!forum_user_can_post_discussion($forum, $group, -1, $cm, $modcontext)) { 901 print_error('cannotcreatediscussion', 'forum'); 902 } 903 904 $discussion->groupid = $group; 905 $message = ''; 906 if ($discussion->id = forum_add_discussion($discussion, $mform_post, $message)) { 907 908 $params = array( 909 'context' => $modcontext, 910 'objectid' => $discussion->id, 911 'other' => array( 912 'forumid' => $forum->id, 913 ) 914 ); 915 $event = \mod_forum\event\discussion_created::create($params); 916 $event->add_record_snapshot('forum_discussions', $discussion); 917 $event->trigger(); 918 919 if ($fromform->mailnow) { 920 $message .= get_string("postmailnow", "forum"); 921 } else { 922 $message .= '<p>'.get_string("postaddedsuccess", "forum") . '</p>'; 923 $message .= '<p>'.get_string("postaddedtimeleft", "forum", format_time($CFG->maxeditingtime)) . '</p>'; 924 } 925 926 $subscribemessage = forum_post_subscription($fromform, $forum, $discussion); 927 } else { 928 print_error("couldnotadd", "forum", $errordestination); 929 } 930 } 931 932 // Update completion status. 933 $completion = new completion_info($course); 934 if ($completion->is_enabled($cm) && 935 ($forum->completiondiscussions || $forum->completionposts)) { 936 $completion->update_state($cm, COMPLETION_COMPLETE); 937 } 938 939 // Redirect back to the discussion. 940 redirect( 941 forum_go_back_to($redirectto->out()), 942 $message . $subscribemessage, 943 null, 944 \core\output\notification::NOTIFY_SUCCESS 945 ); 946 } 947 } 948 949 950 951 // To get here they need to edit a post, and the $post 952 // variable will be loaded with all the particulars, 953 // so bring up the form. 954 955 // $course, $forum are defined. $discussion is for edit and reply only. 956 957 if ($post->discussion) { 958 if (! $toppost = $DB->get_record("forum_posts", array("discussion" => $post->discussion, "parent" => 0))) { 959 print_error('cannotfindparentpost', 'forum', '', $post->id); 960 } 961 } else { 962 $toppost = new stdClass(); 963 $toppost->subject = ($forum->type == "news") ? get_string("addanewtopic", "forum") : 964 get_string("addanewdiscussion", "forum"); 965 } 966 967 if (empty($post->edit)) { 968 $post->edit = ''; 969 } 970 971 if (empty($discussion->name)) { 972 if (empty($discussion)) { 973 $discussion = new stdClass(); 974 } 975 $discussion->name = $forum->name; 976 } 977 if ($forum->type == 'single') { 978 // There is only one discussion thread for this forum type. We should 979 // not show the discussion name (same as forum name in this case) in 980 // the breadcrumbs. 981 $strdiscussionname = ''; 982 } else { 983 // Show the discussion name in the breadcrumbs. 984 $strdiscussionname = format_string($discussion->name).':'; 985 } 986 987 $forcefocus = empty($reply) ? NULL : 'message'; 988 989 if (!empty($discussion->id)) { 990 $PAGE->navbar->add(format_string($toppost->subject, true), "discuss.php?d=$discussion->id"); 991 } 992 993 if ($post->parent) { 994 $PAGE->navbar->add(get_string('reply', 'forum')); 995 } 996 997 if ($edit) { 998 $PAGE->navbar->add(get_string('edit', 'forum')); 999 } 1000 1001 $PAGE->set_title("$course->shortname: $strdiscussionname ".format_string($toppost->subject)); 1002 $PAGE->set_heading($course->fullname); 1003 1004 echo $OUTPUT->header(); 1005 echo $OUTPUT->heading(format_string($forum->name), 2); 1006 1007 // checkup 1008 if (!empty($parent) && !forum_user_can_see_post($forum, $discussion, $post, null, $cm)) { 1009 print_error('cannotreply', 'forum'); 1010 } 1011 if (empty($parent) && empty($edit) && !forum_user_can_post_discussion($forum, $groupid, -1, $cm, $modcontext)) { 1012 print_error('cannotcreatediscussion', 'forum'); 1013 } 1014 1015 if ($forum->type == 'qanda' 1016 && !has_capability('mod/forum:viewqandawithoutposting', $modcontext) 1017 && !empty($discussion->id) 1018 && !forum_user_has_posted($forum->id, $discussion->id, $USER->id)) { 1019 echo $OUTPUT->notification(get_string('qandanotify','forum')); 1020 } 1021 1022 // If there is a warning message and we are not editing a post we need to handle the warning. 1023 if (!empty($thresholdwarning) && !$edit) { 1024 // Here we want to throw an exception if they are no longer allowed to post. 1025 forum_check_blocking_threshold($thresholdwarning); 1026 } 1027 1028 if (!empty($parent)) { 1029 if (!$discussion = $DB->get_record('forum_discussions', array('id' => $parent->discussion))) { 1030 print_error('notpartofdiscussion', 'forum'); 1031 } 1032 1033 forum_print_post($parent, $discussion, $forum, $cm, $course, false, false, false); 1034 if (empty($post->edit)) { 1035 if ($forum->type != 'qanda' || forum_user_can_see_discussion($forum, $discussion, $modcontext)) { 1036 $forumtracked = forum_tp_is_tracked($forum); 1037 $posts = forum_get_all_discussion_posts($discussion->id, "created ASC", $forumtracked); 1038 forum_print_posts_threaded($course, $cm, $forum, $discussion, $parent, 0, false, $forumtracked, $posts); 1039 } 1040 } 1041 } else { 1042 if (!empty($forum->intro)) { 1043 echo $OUTPUT->box(format_module_intro('forum', $forum, $cm->id), 'generalbox', 'intro'); 1044 1045 if (!empty($CFG->enableplagiarism)) { 1046 require_once($CFG->libdir.'/plagiarismlib.php'); 1047 echo plagiarism_print_disclosure($cm->id); 1048 } 1049 } 1050 } 1051 1052 if (!empty($formheading)) { 1053 echo $OUTPUT->heading($formheading, 2, array('class' => 'accesshide')); 1054 } 1055 $mform_post->display(); 1056 1057 echo $OUTPUT->footer();
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| Generated: Thu Aug 11 10:00:09 2016 | Cross-referenced by PHPXref 0.7.1 |