Fixed portfolio UI integration in forum thread
[moodle.git] / mod / forum / discuss.php
CommitLineData
1adbd2c3 1<?php
501cdbd8 2
8f685009
SH
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 * Displays a post, and all the posts below it.
20 * If no post is given, displays all posts in a discussion
21 *
22 * @package mod-forum
23 * @copyright 1999 onwards Martin Dougiamas {@link http://moodle.com}
24 * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
25 */
501cdbd8 26
65bcf17b 27 require_once('../../config.php');
65bcf17b 28
83da3d28 29 $d = required_param('d', PARAM_INT); // Discussion ID
30 $parent = optional_param('parent', 0, PARAM_INT); // If set, then display this post and all children.
31 $mode = optional_param('mode', 0, PARAM_INT); // If set, changes the layout of the thread
32 $move = optional_param('move', 0, PARAM_INT); // If set, moves this discussion to another forum
87b0b499 33 $mark = optional_param('mark', '', PARAM_ALPHA); // Used for tracking read posts if user initiated.
83da3d28 34 $postid = optional_param('postid', 0, PARAM_INT); // Used for tracking read posts if user initiated.
501cdbd8 35
a6855934 36 $url = new moodle_url('/mod/forum/discuss.php', array('d'=>$d));
8a876913
SH
37 if ($parent !== 0) {
38 $url->param('parent', $parent);
39 }
8a876913 40 $PAGE->set_url($url);
d3558659 41
01d0aceb
SH
42 $discussion = $DB->get_record('forum_discussions', array('id' => $d), '*', MUST_EXIST);
43 $course = $DB->get_record('course', array('id' => $discussion->course), '*', MUST_EXIST);
44 $forum = $DB->get_record('forum', array('id' => $discussion->forum), '*', MUST_EXIST);
45 $cm = get_coursemodule_from_instance('forum', $forum->id, $course->id, false, MUST_EXIST);
68258534 46
bf553d9e 47 require_course_login($course, true, $cm);
50e07a49 48
12f6d016 49/// Add ajax-related libs
f44b10ed
PS
50 $PAGE->requires->yui2_lib('event');
51 $PAGE->requires->yui2_lib('connection');
52 $PAGE->requires->yui2_lib('json');
12f6d016 53
4cabf99f 54 // move this down fix for MDL-6926
01d0aceb 55 require_once($CFG->dirroot.'/mod/forum/lib.php');
4cabf99f 56
9af1611a 57 $modcontext = get_context_instance(CONTEXT_MODULE, $cm->id);
65bcf17b 58 require_capability('mod/forum:viewdiscussion', $modcontext, NULL, true, 'noviewdiscussionspermission', 'forum');
59
9e86f2e7
AD
60 if (!empty($CFG->enablerssfeeds) && !empty($CFG->forum_enablerssfeeds) && $forum->rsstype && $forum->rssarticles) {
61 require_once("$CFG->libdir/rsslib.php");
62
63 $rsstitle = format_string($course->shortname) . ': %fullname%';
43b92251 64 rss_add_http_header($modcontext, 'mod_forum', $forum, $rsstitle);
9e86f2e7
AD
65 }
66
65bcf17b 67 if ($forum->type == 'news') {
49a0ba94 68 if (!($USER->id == $discussion->userid || (($discussion->timestart == 0
69 || $discussion->timestart <= time())
fbc21e82 70 && ($discussion->timeend == 0 || $discussion->timeend > time())))) {
12e57b92 71 print_error('invaliddiscussionid', 'forum', "$CFG->wwwroot/mod/forum/view.php?f=$forum->id");
fbc21e82 72 }
68ddf8bc 73 }
74
65bcf17b 75/// move discussion if requested
76 if ($move > 0 and confirm_sesskey()) {
a5f77de6 77 $return = $CFG->wwwroot.'/mod/forum/discuss.php?d='.$discussion->id;
65bcf17b 78
79 require_capability('mod/forum:movediscussions', $modcontext);
1fc49f00 80
65bcf17b 81 if ($forum->type == 'single') {
12e57b92 82 print_error('cannotmovefromsingleforum', 'forum', $return);
83da3d28 83 }
65bcf17b 84
4e445355 85 if (!$forumto = $DB->get_record('forum', array('id' => $move))) {
12e57b92 86 print_error('cannotmovetonotexist', 'forum', $return);
83da3d28 87 }
7c900d5d 88
65bcf17b 89 if (!$cmto = get_coursemodule_from_instance('forum', $forumto->id, $course->id)) {
12e57b92 90 print_error('cannotmovetonotfound', 'forum', $return);
65bcf17b 91 }
92
93 if (!coursemodule_visible_for_user($cmto)) {
12e57b92 94 print_error('cannotmovenotvisible', 'forum', $return);
1fc49f00 95 }
65bcf17b 96
01d0aceb 97 require_capability('mod/forum:startdiscussion', get_context_instance(CONTEXT_MODULE,$cmto->id));
ee8d825f 98
0faf6791 99 if (!forum_move_attachments($discussion, $forum->id, $forumto->id)) {
9146b979 100 echo $OUTPUT->notification("Errors occurred while moving attachment directories - check your file permissions");
65bcf17b 101 }
4e445355 102 $DB->set_field('forum_discussions', 'forum', $forumto->id, array('id' => $discussion->id));
103 $DB->set_field('forum_read', 'forumid', $forumto->id, array('discussionid' => $discussion->id));
65bcf17b 104 add_to_log($course->id, 'forum', 'move discussion', "discuss.php?d=$discussion->id", $discussion->id, $cmto->id);
105
106 require_once($CFG->libdir.'/rsslib.php');
01d0aceb 107 require_once($CFG->dirroot.'/mod/forum/rsslib.php');
65bcf17b 108
a74bea12
AD
109 // Delete the RSS files for the 2 forums to force regeneration of the feeds
110 forum_rss_delete_file($forum);
111 forum_rss_delete_file($forumto);
65bcf17b 112
e4c5abdc 113 redirect($return.'&moved=-1&sesskey='.sesskey());
1fc49f00 114 }
115
01d0aceb 116 add_to_log($course->id, 'forum', 'view discussion', $PAGE->url->out(false), $discussion->id, $cm->id);
501cdbd8 117
118 unset($SESSION->fromdiscussion);
119
279826e2 120 if ($mode) {
f2d042c4 121 set_user_preference('forum_displaymode', $mode);
279826e2 122 }
501cdbd8 123
acb50c1b 124 $displaymode = get_user_preferences('forum_displaymode', $CFG->forum_displaymode);
501cdbd8 125
e92ea3d8 126 if ($parent) {
65bcf17b 127 // If flat AND parent, then force nested display this time
128 if ($displaymode == FORUM_MODE_FLATOLDEST or $displaymode == FORUM_MODE_FLATNEWEST) {
129 $displaymode = FORUM_MODE_NESTED;
e92ea3d8 130 }
131 } else {
501cdbd8 132 $parent = $discussion->firstpost;
501cdbd8 133 }
134
11b0c469 135 if (! $post = forum_get_post_full($parent)) {
12e57b92 136 print_error("notexists", 'forum', "$CFG->wwwroot/mod/forum/view.php?f=$forum->id");
501cdbd8 137 }
138
c15b86dc 139
65bcf17b 140 if (!forum_user_can_view_post($post, $course, $cm, $forum, $discussion)) {
12e57b92 141 print_error('nopermissiontoview', 'forum', "$CFG->wwwroot/mod/forum/view.php?id=$forum->id");
f37da850 142 }
143
65bcf17b 144 if ($mark == 'read' or $mark == 'unread') {
90f4745c 145 if ($CFG->forum_usermarksread && forum_tp_can_track_forums($forum) && forum_tp_is_tracked($forum)) {
65bcf17b 146 if ($mark == 'read') {
90f4745c 147 forum_tp_add_read_record($USER->id, $postid);
65bcf17b 148 } else {
149 // unread
150 forum_tp_delete_read_records($USER->id, $postid);
151 }
152 }
153 }
cef1ce6a 154
6f1cc8d6 155 $searchform = forum_search_form($course);
39790bd8 156
01d0aceb
SH
157 $forumnode = $PAGE->navigation->find($cm->id, navigation_node::TYPE_ACTIVITY);
158 if (empty($forumnode)) {
159 $forumnode = $PAGE->navbar;
160 } else {
161 $forumnode->display = false;
87a462ea 162 }
01d0aceb
SH
163 $node = $forumnode->add(format_string($discussion->name), new moodle_url('/mod/forum/discuss.php', array('d'=>$discussion->id)));
164 if ($node && $post->id != $discussion->firstpost) {
165 $node->add(format_string($post->subject), $PAGE->url);
166 }
167
15ca5e5e 168 $PAGE->set_title("$course->shortname: ".format_string($discussion->name));
169 $PAGE->set_heading($course->fullname);
170 $PAGE->set_button($searchform);
171 echo $OUTPUT->header();
c6d691dc 172
9197e147 173/// Check to see if groups are being used in this forum
174/// If so, make sure the current person is allowed to see this discussion
8b79a625 175/// Also, if we know they should be able to reply, then explicitly set $canreply for performance reasons
c6d691dc 176
8e18e1ec
PS
177 $canreply = forum_user_can_post($forum, $discussion, $USER, $cm, $course, $modcontext);
178 if (!$canreply and $forum->type !== 'news') {
179 if (isguestuser() or !isloggedin()) {
180 $canreply = true;
181 }
182 if (!is_enrolled($modcontext) and !is_viewing($modcontext)) {
183 // allow guests and not-logged-in to see the link - they are prompted to log in after clicking the link
184 // normal users with temporary guest access see this link too, they are asked to enrol instead
185 $canreply = enrol_selfenrol_available($course->id);
186 }
9197e147 187 }
188
c6d691dc 189/// Print the controls across the top
c00037cd 190 echo '<div class="discussioncontrols clearfix">';
c6d691dc 191
12a24e00 192 if (has_capability('mod/forum:exportdiscussion', $modcontext) && (!empty($CFG->enableportfolios))) {
24ba58ee 193 require_once($CFG->libdir.'/portfoliolib.php');
0d06b6fd 194 $button = new portfolio_add_button();
24ba58ee 195 $button->set_callback_options('forum_portfolio_caller', array('discussionid' => $discussion->id), '/mod/forum/locallib.php');
f357d2f8
DM
196 echo html_writer::tag('div', $button->to_html(PORTFOLIO_ADD_FULL_FORM, get_string('exportdiscussion', 'mod_forum')),
197 array('class' => 'discussioncontrol exporttoportfolio'));
198 } else {
199 echo html_writer::tag('div', '&nbsp;', array('class'=>'discussioncontrol nullcontrol'));
10ae55f9 200 }
201
f357d2f8
DM
202 // groups selector not needed here
203 echo '<div class="discussioncontrol displaymode">';
204 forum_print_mode_form($discussion->id, $displaymode);
205 echo "</div>";
206
cef1ce6a 207 if ($forum->type != 'single'
208 && has_capability('mod/forum:movediscussions', $modcontext)) {
65bcf17b 209
f357d2f8 210 echo '<div class="discussioncontrol movediscussion">';
cef1ce6a 211 // Popup menu to move discussions to other forums. The discussion in a
212 // single discussion forum can't be moved.
65bcf17b 213 $modinfo = get_fast_modinfo($course);
214 if (isset($modinfo->instances['forum'])) {
65bcf17b 215 $forummenu = array();
7487c856 216 $sections = get_all_sections($course->id);
65bcf17b 217 foreach ($modinfo->instances['forum'] as $forumcm) {
ee8d825f 218 if (!$forumcm->uservisible || !has_capability('mod/forum:startdiscussion',
219 get_context_instance(CONTEXT_MODULE,$forumcm->id))) {
65bcf17b 220 continue;
fcc69042 221 }
65bcf17b 222
65bcf17b 223 $section = $forumcm->sectionnum;
7487c856 224 $sectionname = get_section_name($course, $sections[$section]);
f1a3e072 225 if (empty($forummenu[$section])) {
7487c856 226 $forummenu[$section] = array($sectionname => array());
f1a3e072 227 }
65bcf17b 228 if ($forumcm->instance != $forum->id) {
f1a3e072 229 $url = "/mod/forum/discuss.php?d=$discussion->id&move=$forumcm->instance&sesskey=".sesskey();
7487c856 230 $forummenu[$section][$sectionname][$url] = format_string($forumcm->name);
1fc49f00 231 }
232 }
233 if (!empty($forummenu)) {
12a24e00 234 echo '<div class="movediscussionoption">';
f1a3e072
PS
235 $select = new url_select($forummenu, '', array(''=>get_string("movethisdiscussionto", "forum")), 'forummenu');
236 echo $OUTPUT->render($select);
1fc49f00 237 echo "</div>";
238 }
239 }
12a24e00 240 echo "</div>";
1fc49f00 241 }
12a24e00
RW
242 echo '<div class="clearfloat">&nbsp;</div>';
243 echo "</div>";
1fc49f00 244
a4f495bf 245 if (!empty($forum->blockafter) && !empty($forum->blockperiod)) {
39790bd8 246 $a = new stdClass();
65bcf17b 247 $a->blockafter = $forum->blockafter;
a4f495bf 248 $a->blockperiod = get_string('secondstotime'.$forum->blockperiod);
9146b979 249 echo $OUTPUT->notification(get_string('thisforumisthrottled','forum',$a));
a4f495bf 250 }
251
0468976c 252 if ($forum->type == 'qanda' && !has_capability('mod/forum:viewqandawithoutposting', $modcontext) &&
bbbf2d40 253 !forum_user_has_posted($forum->id,$discussion->id,$USER->id)) {
9146b979 254 echo $OUTPUT->notification(get_string('qandanotify','forum'));
098d27d4 255 }
256
65bcf17b 257 if ($move == -1 and confirm_sesskey()) {
9146b979 258 echo $OUTPUT->notification(get_string('discussionmoved', 'forum', format_string($forum->name,true)));
8de14dc7 259 }
260
65bcf17b 261 $canrate = has_capability('mod/forum:rate', $modcontext);
262 forum_print_discussion($course, $cm, $forum, $discussion, $post, $displaymode, $canreply, $canrate);
c6d691dc 263
396fb912 264 echo $OUTPUT->footer();
65bcf17b 265
501cdbd8 266
1adbd2c3 267