mod/forum/post.php

   1 <?php // $Id$
   2
   3 //  Edit and save a new post to a discussion
   4
   5     require_once('../../config.php');
   6     require_once('lib.php');
   7     require_once('post_form.php');
   8
   9     $reply   = optional_param('reply', 0, PARAM_INT);
  10     $forum   = optional_param('forum', 0, PARAM_INT);
  11     $edit    = optional_param('edit', 0, PARAM_INT);
  12     $delete  = optional_param('delete', 0, PARAM_INT);
  13     $prune   = optional_param('prune', 0, PARAM_INT);
  14     $name    = optional_param('name', '', PARAM_CLEAN);
  15     $confirm = optional_param('confirm', 0, PARAM_INT);
  16
  17
  18     //these page_params will be passed as hidden variables later in the form.
  19     $page_params = array('reply'=>$reply, 'forum'=>$forum, 'edit'=>$edit);
  20
  21     $sitecontext = get_context_instance(CONTEXT_SYSTEM);
  22
  23     if (has_capability('moodle/legacy:guest', $sitecontext, NULL, false)) {
  24
  25         $wwwroot = $CFG->wwwroot.'/login/index.php';
  26         if (!empty($CFG->loginhttps)) {
  27             $wwwroot = str_replace('http:', 'https:', $wwwroot);
  28         }
  29
  30         if (!empty($forum)) {      // User is starting a new discussion in a forum
  31             if (! $forum = get_record('forum', 'id', $forum)) {
  32                 error('The forum number was incorrect');
  33             }
  34         } else if (!empty($reply)) {      // User is writing a new reply
  35             if (! $parent = forum_get_post_full($reply)) {
  36                 error('Parent post ID was incorrect');
  37             }
  38             if (! $discussion = get_record('forum_discussions', 'id', $parent->discussion)) {
  39                 error('This post is not part of a discussion!');
  40             }
  41             if (! $forum = get_record('forum', 'id', $discussion->forum)) {
  42                 error('The forum number was incorrect');
  43             }
  44         }
  45         if (! $course = get_record('course', 'id', $forum->course)) {
  46             error('The course number was incorrect');
  47         }
  48
  49         if (!$cm = get_coursemodule_from_instance('forum', $forum->id, $course->id)) { // For the logs
  50             error('Could not get the course module for the forum instance.');
  51         } else {
  52             $modcontext = get_context_instance(CONTEXT_MODULE, $cm->id);
  53         }
  54
  55         $strforums = get_string('modulenameplural', 'forum');
  56
  57         if (!get_referer()) {   // No referer - probably coming in via email  See MDL-9052
  58             require_login();
  59         }
  60
  61         $navlinks = array();
  62         $navlinks[] = array('name' => get_string("forums", "forum"), 'link' => "../forum/view.php?f=$forum->id", 'type' => 'activity');
  63         $navlinks[] = array('name' => format_string($forum->name,true), 'link' => '../forum/index.php?id=$course->id', 'type' => 'activityinstance');
  64
  65         $navigation = build_navigation($navlinks);
  66
  67
  68         print_header($course->shortname, $course->fullname, $navigation, '' , '', true, "", navmenu($course, $cm));
  69
  70         notice_yesno(get_string('noguestpost', 'forum').'<br /><br />'.get_string('liketologin'),
  71                      $wwwroot, get_referer(false));
  72         print_footer($course);
  73         exit;
  74     }
  75
  76     require_login(0, false);   // Script is useless unless they're logged in
  77
  78     if (!empty($forum)) {      // User is starting a new discussion in a forum
  79         if (! $forum = get_record("forum", "id", $forum)) {
  80             error("The forum number was incorrect ($forum)");
  81         }
  82         if (! $course = get_record("course", "id", $forum->course)) {
  83             error("The course number was incorrect ($forum->course)");
  84         }
  85         $coursecontext = get_context_instance(CONTEXT_COURSE, $course->id);
  86         if (! forum_user_can_post_discussion($forum)) {
  87             if (has_capability('moodle/legacy:guest', $coursecontext, NULL, false)) {  // User is a guest here!
  88                 $SESSION->wantsurl = $FULLME;
  89                 $SESSION->enrolcancel = $_SERVER['HTTP_REFERER'];
  90                 redirect($CFG->wwwroot.'/course/enrol.php?id='.$course->id, get_string('youneedtoenrol'));
  91             } else {
  92                 print_error('nopostforum', 'forum');
  93             }
  94         }
  95
  96         if ($cm = get_coursemodule_from_instance("forum", $forum->id, $course->id)) {
  97             if (!$cm->visible and !has_capability('moodle/course:viewhiddenactivities', $coursecontext)) {
  98                 error(get_string("activityiscurrentlyhidden"));
  99             }
 100         }
 101
 102         if (isset($_SERVER["HTTP_REFERER"])) {
 103             $SESSION->fromurl = $_SERVER["HTTP_REFERER"];
 104         } else {
 105             $SESSION->fromurl = '';
 106         }
 107
 108
 109         // Load up the $post variable.
 110
 111         $post = new object();
 112         $post->course     = $course->id;
 113         $post->forum      = $forum->id;
 114         $post->discussion = 0;           // ie discussion # not defined yet
 115         $post->parent     = 0;
 116         $post->subject    = '';
 117         $post->userid     = $USER->id;
 118         $post->message    = '';
 119
 120         if ($groupmode = groups_get_activity_groupmode($cm)) {
 121             $post->groupid = groups_get_activity_group($cm);
 122             if (empty($post->groupid)) {
 123                 $post->groupid = -1; //TODO: why -1??
 124             }
 125         } else {
 126             $post->groupid = -1; //TODO: why -1??
 127         }
 128         forum_set_return();
 129
 130     } else if (!empty($reply)) {      // User is writing a new reply
 131
 132         if (! $parent = forum_get_post_full($reply)) {
 133             error("Parent post ID was incorrect");
 134         }
 135         if (! $discussion = get_record("forum_discussions", "id", $parent->discussion)) {
 136             error("This post is not part of a discussion!");
 137         }
 138         if (! $forum = get_record("forum", "id", $discussion->forum)) {
 139             error("The forum number was incorrect ($discussion->forum)");
 140         }
 141         if (! $course = get_record("course", "id", $discussion->course)) {
 142             error("The course number was incorrect ($discussion->course)");
 143         }
 144
 145         $coursecontext = get_context_instance(CONTEXT_COURSE, $course->id);
 146
 147         if (! forum_user_can_post($forum)) {
 148             if (has_capability('moodle/legacy:guest', $coursecontext, NULL, false)) {  // User is a guest here!
 149                 $SESSION->wantsurl = $FULLME;
 150                 $SESSION->enrolcancel = $_SERVER['HTTP_REFERER'];
 151                 redirect($CFG->wwwroot.'/course/enrol.php?id='.$course->id, get_string('youneedtoenrol'));
 152             } else {
 153                 print_error('nopostforum', 'forum');
 154             }
 155         }
 156
 157         if ($cm = get_coursemodule_from_instance("forum", $forum->id, $course->id)) {
 158             if (groupmode($course, $cm)) {   // Make sure user can post here
 159                 $modcontext = get_context_instance(CONTEXT_MODULE, $cm->id);
 160                 $mygroupid = mygroupid($course->id);
 161                 if (!((empty($mygroupid) and $discussion->groupid == -1)
 162                         || (groups_is_member($discussion->groupid)/*$mygroupid == $discussion->groupid*/)
 163                         || has_capability('moodle/site:accessallgroups', $modcontext, NULL, false) )) {
 164                     print_error('nopostdiscussion', 'forum');
 165                 }
 166             }
 167             if (!$cm->visible and !has_capability('moodle/course:manageactivities', $coursecontext)) {
 168                 error(get_string("activityiscurrentlyhidden"));
 169             }
 170         }
 171
 172         // Load up the $post variable.
 173
 174         $post = new object();
 175         $post->course      = $course->id;
 176         $post->forum       = $forum->id;
 177         $post->discussion  = $parent->discussion;
 178         $post->parent      = $parent->id;
 179         $post->subject     = $parent->subject;
 180         $post->userid      = $USER->id;
 181         $post->message     = '';
 182
 183         $strre = get_string('re', 'forum');
 184         if (!(substr($post->subject, 0, strlen($strre)) == $strre)) {
 185             $post->subject = $strre.' '.$post->subject;
 186         }
 187
 188         unset($SESSION->fromdiscussion);
 189
 190     } else if (!empty($edit)) {  // User is editing their own post
 191
 192         if (! $post = forum_get_post_full($edit)) {
 193             error("Post ID was incorrect");
 194         }
 195         if ($post->parent) {
 196             if (! $parent = forum_get_post_full($post->parent)) {
 197                 error("Parent post ID was incorrect ($post->parent)");
 198             }
 199         }
 200
 201         if (! $discussion = get_record("forum_discussions", "id", $post->discussion)) {
 202             error("This post is not part of a discussion! ($edit)");
 203         }
 204         if (! $forum = get_record("forum", "id", $discussion->forum)) {
 205             error("The forum number was incorrect ($discussion->forum)");
 206         }
 207         if (! $course = get_record("course", "id", $discussion->course)) {
 208             error("The course number was incorrect ($discussion->course)");
 209         }
 210         if (!$cm = get_coursemodule_from_instance("forum", $forum->id, $course->id)) {
 211             error('Could not get the course module for the forum instance.');
 212         } else {
 213             $modcontext = get_context_instance(CONTEXT_MODULE, $cm->id);
 214         }
 215         if (!($forum->type == 'news' && !$post->parent && $discussion->timestart > time())) {
 216             if (((time() - $post->created) > $CFG->maxeditingtime) and
 217                         !has_capability('mod/forum:editanypost', $modcontext)) {
 218                 error( get_string("maxtimehaspassed", "forum", format_time($CFG->maxeditingtime)) );
 219             }
 220         }
 221         if (($post->userid <> $USER->id) and
 222                     !has_capability('mod/forum:editanypost', $modcontext)) {
 223             error("You can't edit other people's posts!");
 224         }
 225
 226
 227         // Load up the $post variable.
 228         $post->edit   = $edit;
 229         $post->course = $course->id;
 230         $post->forum  = $forum->id;
 231
 232         trusttext_prepare_edit($post->message, $post->format, can_use_html_editor(), $modcontext);
 233
 234         unset($SESSION->fromdiscussion);
 235
 236
 237     }else if (!empty($delete)) {  // User is deleting a post
 238
 239         if (! $post = forum_get_post_full($delete)) {
 240             error("Post ID was incorrect");
 241         }
 242         if (! $discussion = get_record("forum_discussions", "id", $post->discussion)) {
 243             error("This post is not part of a discussion!");
 244         }
 245         if (! $forum = get_record("forum", "id", $discussion->forum)) {
 246             error("The forum number was incorrect ($discussion->forum)");
 247         }
 248         if (!$cm = get_coursemodule_from_instance("forum", $forum->id, $forum->course)) {
 249             error('Could not get the course module for the forum instance.');
 250         }
 251         if (!$course = get_record('course', 'id', $forum->course)) {
 252             error('Incorrect course');
 253         }
 254
 255         require_login($course, false, $cm);
 256         $modcontext = get_context_instance(CONTEXT_MODULE, $cm->id);
 257
 258         if ( !(($post->userid == $USER->id && has_capability('mod/forum:deleteownpost', $modcontext))
 259                     || has_capability('mod/forum:deleteanypost', $modcontext)) ) {
 260             error("You can't delete this post!");
 261         }
 262
 263
 264         $replycount = forum_count_replies($post);
 265
 266         if (!empty($confirm)) {    // User has confirmed the delete
 267
 268             if ($post->totalscore) {
 269                 notice(get_string("couldnotdeleteratings", "forum"),
 270                         forum_go_back_to("discuss.php?d=$post->discussion"));
 271
 272             } else if ($replycount && !has_capability('mod/forum:deleteanypost', $modcontext)) {
 273                 error(get_string("couldnotdeletereplies", "forum"),
 274                         forum_go_back_to("discuss.php?d=$post->discussion"));
 275
 276             } else {
 277                 if (! $post->parent) {  // post is a discussion topic as well, so delete discussion
 278                     if ($forum->type == 'single') {
 279                         notice("Sorry, but you are not allowed to delete that discussion!",
 280                                 forum_go_back_to("discuss.php?d=$post->discussion"));
 281                     }
 282                     forum_delete_discussion($discussion);
 283
 284                     add_to_log($discussion->course, "forum", "delete discussion",
 285                                "view.php?id=$cm->id", "$forum->id", $cm->id);
 286
 287                     redirect("view.php?f=$discussion->forum");
 288
 289                 } else if (forum_delete_post($post, has_capability('mod/forum:deleteanypost', $modcontext))) {
 290
 291                     if ($forum->type == 'single') {
 292                         // Single discussion forums are an exception. We show
 293                         // the forum itself since it only has one discussion
 294                         // thread.
 295                         $discussionurl = "view.php?f=$forum->id";
 296                     } else {
 297                         $discussionurl = "discuss.php?d=$post->discussion";
 298                     }
 299
 300                     add_to_log($discussion->course, "forum", "delete post", $discussionurl, "$post->id", $cm->id);
 301
 302                     redirect(forum_go_back_to($discussionurl));
 303                 } else {
 304                     error("An error occurred while deleting record $post->id");
 305                 }
 306             }
 307
 308
 309         } else { // User just asked to delete something
 310
 311             forum_set_return();
 312
 313             if ($replycount) {
 314                 if (!has_capability('mod/forum:deleteanypost', $modcontext)) {
 315                     error(get_string("couldnotdeletereplies", "forum"),
 316                           forum_go_back_to("discuss.php?d=$post->discussion"));
 317                 }
 318                 print_header();
 319                 notice_yesno(get_string("deletesureplural", "forum", $replycount+1),
 320                              "post.php?delete=$delete&amp;confirm=$delete",
 321                              $CFG->wwwroot.'/mod/forum/discuss.php?d='.$post->discussion.'#p'.$post->id);
 322
 323                 forum_print_post($post, $course->id, $ownpost=false, $reply=false, $link=false);
 324                 if (empty($post->edit)) {
 325                     if (forum_tp_can_track_forums($forum) && forum_tp_is_tracked($forum)) {
 326                         $user_read_array = forum_tp_get_discussion_read_records($USER->id, $discussion->id);
 327                     } else {
 328                         $user_read_array = array();
 329                     }
 330                     forum_print_posts_nested($post->id, $course->id, false, false, $user_read_array, $forum->id);
 331                 }
 332             } else {
 333                 print_header();
 334                 notice_yesno(get_string("deletesure", "forum", $replycount),
 335                              "post.php?delete=$delete&amp;confirm=$delete",
 336                              $CFG->wwwroot.'/mod/forum/discuss.php?d='.$post->discussion.'#p'.$post->id);
 337                 forum_print_post($post, $forum->course, $ownpost=false, $reply=false, $link=false);
 338             }
 339
 340         }
 341         print_footer($course);
 342         die;
 343
 344
 345     } else if (!empty($prune)) {  // Pruning
 346
 347         if (!$post = forum_get_post_full($prune)) {
 348             error("Post ID was incorrect");
 349         }
 350         if (!$discussion = get_record("forum_discussions", "id", $post->discussion)) {
 351             error("This post is not part of a discussion!");
 352         }
 353         if (!$forum = get_record("forum", "id", $discussion->forum)) {
 354             error("The forum number was incorrect ($discussion->forum)");
 355         }
 356         if ($forum->type == 'single') {
 357             error('Discussions from this forum cannot be split');
 358         }
 359         if (!$post->parent) {
 360             error('This is already the first post in the discussion');
 361         }
 362         if (!$cm = get_coursemodule_from_instance("forum", $forum->id, $forum->course)) { // For the logs
 363             error('Could not get the course module for the forum instance.');
 364         } else {
 365             $modcontext = get_context_instance(CONTEXT_MODULE, $cm->id);
 366         }
 367         if (!has_capability('mod/forum:splitdiscussions', $modcontext)) {
 368             error("You can't split discussions!");
 369         }
 370
 371         if (!empty($name)) {    // User has confirmed the prune
 372
 373             $newdiscussion = new object();
 374             $newdiscussion->course       = $discussion->course;
 375             $newdiscussion->forum        = $discussion->forum;
 376             $newdiscussion->name         = $name;
 377             $newdiscussion->firstpost    = $post->id;
 378             $newdiscussion->userid       = $discussion->userid;
 379             $newdiscussion->groupid      = $discussion->groupid;
 380             $newdiscussion->assessed     = $discussion->assessed;
 381             $newdiscussion->usermodified = $post->userid;
 382             $newdiscussion->timestart    = $discussion->timestart;
 383             $newdiscussion->timeend      = $discussion->timeend;
 384
 385             if (!$newid = insert_record('forum_discussions', $newdiscussion)) {
 386                 error('Could not create new discussion');
 387             }
 388
 389             $newpost = new object();
 390             $newpost->id      = $post->id;
 391             $newpost->parent  = 0;
 392             $newpost->subject = $name;
 393
 394             if (!update_record("forum_posts", $newpost)) {
 395                 error('Could not update the original post');
 396             }
 397
 398             forum_change_discussionid($post->id, $newid);
 399
 400             // update last post in each discussion
 401             forum_discussion_update_last_post($discussion->id);
 402             forum_discussion_update_last_post($newid);
 403
 404             add_to_log($discussion->course, "forum", "prune post",
 405                            "discuss.php?d=$newid", "$post->id", $cm->id);
 406
 407             redirect(forum_go_back_to("discuss.php?d=$newid"));
 408
 409         } else { // User just asked to prune something
 410
 411             $course = get_record('course', 'id', $forum->course);
 412             $strforums = get_string("modulenameplural", "forum");
 413
 414             $navlinks = array();
 415             $navlinks[] = array('name' => $strforums, 'link' => "../forum/index.php?id=$course->id", 'type' => 'activity');
 416             $navlinks[] = array('name' => $forum->name, 'link' => "view.php?f=$forum->id", 'type' => 'activityinstance');
 417             $navlinks[] = array('name' => format_string($post->subject, true), 'link' => "discuss.php?d=$discussion->id", 'type' => 'title');
 418             $navlinks[] = array('name' => get_string("prune", "forum"), 'link' => '', 'type' => 'title');
 419
 420             $navigation = build_navigation($navlinks);
 421
 422             print_header_simple(format_string($discussion->name).": ".format_string($post->subject), "", $navigation, '', "", true, "", navmenu($course, $cm));
 423
 424             print_heading(get_string('pruneheading', 'forum'));
 425             echo '<center>';
 426
 427             include('prune.html');
 428
 429             forum_print_post($post, $forum->course, $ownpost=false, $reply=false, $link=false);
 430             echo '</center>';
 431         }
 432         print_footer($course);
 433         die;
 434     } else {
 435         error("No operation specified");
 436
 437     }
 438
 439     if (!isset($coursecontext)) {
 440         // Has not yet been set by post.php.
 441         $coursecontext = get_context_instance(CONTEXT_COURSE, $forum->course);
 442     }
 443
 444     if (!$cm = get_coursemodule_from_instance('forum', $forum->id, $course->id)) { // For the logs
 445         error('Could not get the course module for the forum instance.');
 446     }
 447     $modcontext = get_context_instance(CONTEXT_MODULE, $cm->id);
 448
 449     $mform_post = new mod_forum_post_form('post.php', array('course'=>$course, 'coursecontext'=>$coursecontext, 'modcontext'=>$modcontext, 'forum'=>$forum, 'post'=>$post));
 450
 451     if ($fromform = $mform_post->get_data()) {
 452
 453
 454         require_login($course, false, $cm);
 455
 456         if (empty($SESSION->fromurl)) {
 457             $errordestination = "$CFG->wwwroot/mod/forum/view.php?f=$forum->id";
 458         } else {
 459             $errordestination = $SESSION->fromurl;
 460         }
 461
 462         // TODO add attachment processing
 463         //$fromform->attachment = isset($_FILES['attachment']) ? $_FILES['attachment'] : NULL;
 464
 465         trusttext_after_edit($fromform->message, $modcontext);
 466
 467         if ($fromform->edit) {           // Updating a post
 468             $fromform->id = $fromform->edit;
 469             $message = '';
 470
 471             //fix for bug #4314
 472             if (!$realpost = get_record('forum_posts', 'id', $fromform->id)) {
 473                 $realpost = new object;
 474                 $realpost->userid = -1;
 475             }
 476
 477
 478             // if user has edit any post capability
 479             // or has either startnewdiscussion or reply capability and is editting own post
 480             // then he can proceed
 481             // MDL-7066
 482             if ( !(($realpost->userid == $USER->id && (has_capability('mod/forum:replypost', $modcontext)
 483                                 || has_capability('mod/forum:startdiscussion', $modcontext))) ||
 484                                 has_capability('mod/forum:editanypost', $modcontext)) ) {
 485                 error("You can not update this post");
 486             }
 487
 488             if ($forum->type == 'news' && !$fromform->parent) {
 489                 $updatediscussion = new object;
 490                 $updatediscussion->id = $fromform->discussion;
 491                 $updatediscussion->timestart = $fromform->timestart;
 492                 $updatediscussion->timeend = $fromform->timeend;
 493                 if (!update_record('forum_discussions', $updatediscussion)) {
 494                     error(get_string("couldnotupdate", "forum"), $errordestination);
 495                 }
 496             }
 497
 498             $updatepost=$fromform; //realpost
 499             $updatepost->forum=$forum->id;
 500             if (!forum_update_post($updatepost, $message)) {
 501                 error(get_string("couldnotupdate", "forum"), $errordestination);
 502             }
 503
 504             $timemessage = 2;
 505             if (!empty($message)) { // if we're printing stuff about the file upload
 506                 $timemessage = 4;
 507             }
 508             $message .= '<br />'.get_string("postupdated", "forum");
 509
 510             if ($subscribemessage = forum_post_subscription($fromform)) {
 511                 $timemessage = 4;
 512             }
 513             if ($forum->type == 'single') {
 514                 // Single discussion forums are an exception. We show
 515                 // the forum itself since it only has one discussion
 516                 // thread.
 517                 $discussionurl = "view.php?f=$forum->id";
 518             } else {
 519                 $discussionurl = "discuss.php?d=$discussion->id#p$fromform->id";
 520             }
 521             add_to_log($course->id, "forum", "update post",
 522                     "$discussionurl&amp;parent=$fromform->id", "$fromform->id", $cm->id);
 523
 524             redirect(forum_go_back_to("$discussionurl"), $message.$subscribemessage, $timemessage);
 525
 526             exit;
 527
 528
 529         } else if ($fromform->discussion) { // Adding a new post to an existing discussion
 530             $message = '';
 531             $addpost=$fromform;
 532             $addpost->forum=$forum->id;
 533             if ($fromform->id = forum_add_new_post($addpost, $message)) {
 534
 535                 $timemessage = 2;
 536                 if (!empty($message)) { // if we're printing stuff about the file upload
 537                     $timemessage = 4;
 538                 }
 539
 540                 if ($subscribemessage = forum_post_subscription($fromform)) {
 541                     $timemessage = 4;
 542                 }
 543
 544                 if (!empty($fromform->mailnow)) {
 545                     $message .= get_string("postmailnow", "forum");
 546                     $timemessage = 4;
 547                 } else {
 548                     $message .= '<br />'.get_string("postadded", "forum", format_time($CFG->maxeditingtime));
 549                 }
 550
 551                 if ($forum->type == 'single') {
 552                     // Single discussion forums are an exception. We show
 553                     // the forum itself since it only has one discussion
 554                     // thread.
 555                     $discussionurl = "view.php?f=$forum->id";
 556                 } else {
 557                     $discussionurl = "discuss.php?d=$discussion->id";
 558                 }
 559                 add_to_log($course->id, "forum", "add post",
 560                           "$discussionurl&amp;parent=$fromform->id", "$fromform->id", $cm->id);
 561
 562                 redirect(forum_go_back_to("$discussionurl#p$fromform->id"), $message.$subscribemessage, $timemessage);
 563
 564             } else {
 565                 error(get_string("couldnotadd", "forum"), $errordestination);
 566             }
 567             exit;
 568
 569         } else {                     // Adding a new discussion
 570             $fromform->mailnow = empty($fromform->mailnow) ? 0 : 1;
 571             $discussion = $fromform;
 572             $discussion->name  = $fromform->subject;
 573             $discussion->intro = $fromform->message;
 574             $newstopic = false;
 575
 576             if ($forum->type == 'news' && !$fromform->parent) {
 577                 $newstopic = true;
 578             }
 579             $discussion->timestart = $fromform->timestart;
 580             $discussion->timeend = $fromform->timeend;
 581
 582             $message = '';
 583             if ($discussion->id = forum_add_discussion($discussion, $message)) {
 584
 585                 add_to_log($course->id, "forum", "add discussion",
 586                         "discuss.php?d=$discussion->id", "$discussion->id", $cm->id);
 587
 588                 $timemessage = 2;
 589                 if (!empty($message)) { // if we're printing stuff about the file upload
 590                     $timemessage = 4;
 591                 }
 592
 593                 if ($fromform->mailnow) {
 594                     $message .= get_string("postmailnow", "forum");
 595                     $timemessage = 4;
 596                 } else {
 597                     $message .= '<br />'.get_string("postadded", "forum", format_time($CFG->maxeditingtime));
 598                 }
 599
 600                 if ($subscribemessage = forum_post_subscription($discussion)) {
 601                     $timemessage = 4;
 602                 }
 603
 604                 redirect(forum_go_back_to("view.php?f=$fromform->forum"), $message.$subscribemessage, $timemessage);
 605
 606             } else {
 607                 error(get_string("couldnotadd", "forum"), $errordestination);
 608             }
 609
 610             exit;
 611         }
 612     }
 613
 614
 615
 616     // To get here they need to edit a post, and the $post
 617     // variable will be loaded with all the particulars,
 618     // so bring up the form.
 619
 620     // $course, $forum are defined.  $discussion is for edit and reply only.
 621
 622     $cm = get_coursemodule_from_instance("forum", $forum->id, $course->id);
 623
 624     require_login($course->id, false, $cm);
 625
 626     $modcontext = get_context_instance(CONTEXT_MODULE, $cm->id);
 627
 628     if ($post->discussion) {
 629         if (! $toppost = get_record("forum_posts", "discussion", $post->discussion, "parent", 0)) {
 630             error("Could not find top parent of post $post->id");
 631         }
 632     } else {
 633         $toppost->subject = ($forum->type == "news") ? get_string("addanewtopic", "forum") :
 634                                                        get_string("addanewdiscussion", "forum");
 635     }
 636
 637     $strforums = get_string("modulenameplural", "forum");
 638
 639     $navlinks = array();
 640     $navlinks[] = array('name' => $strforums, 'link' => "../forum/index.php?id=$course->id", 'type' => 'activity');
 641     $navlinks[] = array('name' => $forum->name, 'link' => "view.php?f=$forum->id", 'type' => 'activityinstance');
 642
 643
 644     if ($post->parent) {
 645         $navlinks[] = array('name' => format_string($toppost->subject, true), 'link' => "discuss.php?d=$discussion->id", 'type' => 'activityinstance');
 646         $navlinks[] = array('name' => get_string('editing', 'forum'), 'link' => '', 'type' => 'action');
 647     } else {
 648         $navlinks[] = array('name' => format_string($toppost->subject), 'link' => '', 'type' => 'action');
 649     }
 650
 651     if (empty($post->edit)) {
 652         $post->edit = '';
 653     }
 654
 655
 656     if (empty($discussion->name)) {
 657         if (empty($discussion)) {
 658             $discussion = new object;
 659         }
 660         $discussion->name = $forum->name;
 661     }
 662     if ($forum->type == 'single') {
 663         // There is only one discussion thread for this forum type. We should
 664         // not show the discussion name (same as forum name in this case) in
 665         // the breadcrumbs.
 666         $strdiscussionname = '';
 667         $navtail = '';
 668     } else {
 669         // Show the discussion name in the breadcrumbs.
 670         $strdiscussionname = format_string($discussion->name).':';
 671     }
 672
 673     $forcefocus = empty($reply) ? NULL : 'message';
 674
 675
 676     $navigation = build_navigation($navlinks);
 677
 678     print_header("$course->shortname: $strdiscussionname ".
 679                   format_string($toppost->subject), $course->fullname,
 680                   $navigation, $mform_post->focus($forcefocus), "", true, "", navmenu($course, $cm));
 681
 682
 683 // checkup
 684     if (!empty($parent) && !forum_user_can_see_post($forum, $discussion, $post)) {
 685         error("You cannot reply to this post");
 686     }
 687     if (empty($parent) && empty($edit) && !forum_user_can_post_discussion($forum)) {
 688         error("You cannot start a new discussion in this forum");
 689     }
 690
 691     if ($forum->type == 'qanda'
 692                 && !has_capability('mod/forum:viewqandawithoutposting', $modcontext)
 693                 && !empty($discussion->id)
 694                 && !forum_user_has_posted($forum->id, $discussion->id, $USER->id)) {
 695         notify(get_string('qandanotify','forum'));
 696     }
 697
 698     forum_check_throttling($forum);
 699
 700     if (!empty($parent)) {
 701         forum_print_post($parent, $course->id, $ownpost=false, $reply=false, $link=false);
 702         if (empty($post->edit)) {
 703             if (forum_tp_can_track_forums($forum) && forum_tp_is_tracked($forum)) {
 704                 $user_read_array = forum_tp_get_discussion_read_records($USER->id, $discussion->id);
 705             } else {
 706                 $user_read_array = array();
 707             }
 708             if ($forum->type != 'qanda' || forum_user_can_see_discussion($forum, $discussion, $modcontext)) {
 709                 forum_print_posts_threaded($parent->id, $course->id, 0, false, false, $user_read_array, $discussion->forum);
 710             }
 711         }
 712         $heading = get_string("yourreply", "forum");
 713     } else {
 714         $forum->intro = trim($forum->intro);
 715         if (!empty($forum->intro)) {
 716             print_box(format_text($forum->intro), 'generalbox', 'intro');
 717         }
 718         if ($forum->type == 'qanda') {
 719             $heading = get_string('yournewquestion', 'forum');
 720         } else {
 721             $heading = get_string('yournewtopic', 'forum');
 722         }
 723     }
 724
 725     if ($USER->id != $post->userid) {   // Not the original author, so add a message to the end
 726         $data->date = userdate($post->modified);
 727         if ($post->format == FORMAT_HTML) {
 728             $data->name = '<a href="'.$CFG->wwwroot.'/user/view.php?id='.$USER->id.'&course='.$post->course.'">'.
 729                            fullname($USER).'</a>';
 730             $post->message .= '<p>(<span class="edited">'.get_string('editedby', 'forum', $data).'</span>)</p>';
 731         } else {
 732             $data->name = fullname($USER);
 733             $post->message .= "\n\n(".get_string('editedby', 'forum', $data).')';
 734         }
 735     }
 736
 737     //load data into form
 738     $subscribe=(isset($post->forum)&&forum_is_subscribed($USER->id, $post->forum)) ||
 739                     (!empty($USER->autosubscribe));
 740
 741
 742     $mform_post->set_data(array(    'general'=>$heading,
 743                                         'subject'=>$post->subject,
 744                                         'message'=>$post->message,
 745                                         'subscribe'=>$subscribe?1:0,
 746                                         'mailnow'=>!empty($post->mailnow),
 747                                         'userid'=>$post->userid,
 748                                         'parent'=>$post->parent,
 749                                         'discussion'=>$post->discussion,
 750                                         'course'=>$course->id)+
 751
 752                                         $page_params+
 753
 754                                 (isset($post->format)?array(
 755                                         'format'=>$post->format):
 756                                     array())+
 757
 758                                 (isset($dicussion->timestart)?array(
 759                                         'timestart'=>$discussion->timestart):
 760                                     array())+
 761
 762                                 (isset($discussion->timeend)?array(
 763                                         'timeend'=>$discussion->timeend):
 764                                     array())+
 765
 766                                 (isset($post->groupid)?array(
 767                                         'groupid'=>$post->groupid):
 768                                     array())+
 769
 770                                 (isset($discussion->id)?
 771                                         array('discussion'=>$discussion->id):
 772                                         array()));
 773
 774
 775     $mform_post->display();
 776
 777
 778     print_footer($course);
 779
 780
 781 ?>