/**
* Adds module specific settings to the settings block
*
* @param settings_navigation $settings The settings navigation object
* @param navigation_node $forumnode The node to add module settings to
*/
function forum_extend_settings_navigation(settings_navigation $settingsnav, navigation_node $forumnode)
{
global $USER, $PAGE, $CFG, $DB, $OUTPUT;
$forumobject = $DB->get_record("forum", array("id" => $PAGE->cm->instance));
if (empty($PAGE->cm->context)) {
$PAGE->cm->context = context_module::instance($PAGE->cm->instance);
}
// for some actions you need to be enrolled, beiing admin is not enough sometimes here
$enrolled = is_enrolled($PAGE->cm->context, $USER, '', false);
$activeenrolled = is_enrolled($PAGE->cm->context, $USER, '', true);
$canmanage = has_capability('mod/forum:managesubscriptions', $PAGE->cm->context);
$subscriptionmode = \mod_forum\subscriptions::get_subscription_mode($forumobject);
$cansubscribe = $activeenrolled && !\mod_forum\subscriptions::is_forcesubscribed($forumobject) && (!\mod_forum\subscriptions::subscription_disabled($forumobject) || $canmanage);
if ($canmanage) {
$mode = $forumnode->add(get_string('subscriptionmode', 'forum'), null, navigation_node::TYPE_CONTAINER);
$allowchoice = $mode->add(get_string('subscriptionoptional', 'forum'), new moodle_url('/mod/forum/subscribe.php', array('id' => $forumobject->id, 'mode' => FORUM_CHOOSESUBSCRIBE, 'sesskey' => sesskey())), navigation_node::TYPE_SETTING);
$forceforever = $mode->add(get_string("subscriptionforced", "forum"), new moodle_url('/mod/forum/subscribe.php', array('id' => $forumobject->id, 'mode' => FORUM_FORCESUBSCRIBE, 'sesskey' => sesskey())), navigation_node::TYPE_SETTING);
$forceinitially = $mode->add(get_string("subscriptionauto", "forum"), new moodle_url('/mod/forum/subscribe.php', array('id' => $forumobject->id, 'mode' => FORUM_INITIALSUBSCRIBE, 'sesskey' => sesskey())), navigation_node::TYPE_SETTING);
$disallowchoice = $mode->add(get_string('subscriptiondisabled', 'forum'), new moodle_url('/mod/forum/subscribe.php', array('id' => $forumobject->id, 'mode' => FORUM_DISALLOWSUBSCRIBE, 'sesskey' => sesskey())), navigation_node::TYPE_SETTING);
switch ($subscriptionmode) {
case FORUM_CHOOSESUBSCRIBE:
// 0
$allowchoice->action = null;
$allowchoice->add_class('activesetting');
break;
case FORUM_FORCESUBSCRIBE:
// 1
$forceforever->action = null;
$forceforever->add_class('activesetting');
break;
case FORUM_INITIALSUBSCRIBE:
// 2
$forceinitially->action = null;
$forceinitially->add_class('activesetting');
break;
case FORUM_DISALLOWSUBSCRIBE:
// 3
$disallowchoice->action = null;
$disallowchoice->add_class('activesetting');
break;
}
} else {
if ($activeenrolled) {
switch ($subscriptionmode) {
case FORUM_CHOOSESUBSCRIBE:
// 0
$notenode = $forumnode->add(get_string('subscriptionoptional', 'forum'));
break;
case FORUM_FORCESUBSCRIBE:
// 1
$notenode = $forumnode->add(get_string('subscriptionforced', 'forum'));
break;
case FORUM_INITIALSUBSCRIBE:
// 2
$notenode = $forumnode->add(get_string('subscriptionauto', 'forum'));
break;
case FORUM_DISALLOWSUBSCRIBE:
// 3
$notenode = $forumnode->add(get_string('subscriptiondisabled', 'forum'));
break;
}
}
}
if ($cansubscribe) {
if (\mod_forum\subscriptions::is_subscribed($USER->id, $forumobject)) {
$linktext = get_string('unsubscribe', 'forum');
} else {
$linktext = get_string('subscribe', 'forum');
}
$url = new moodle_url('/mod/forum/subscribe.php', array('id' => $forumobject->id, 'sesskey' => sesskey()));
$forumnode->add($linktext, $url, navigation_node::TYPE_SETTING);
}
if (has_capability('mod/forum:viewsubscribers', $PAGE->cm->context)) {
$url = new moodle_url('/mod/forum/subscribers.php', array('id' => $forumobject->id));
$forumnode->add(get_string('showsubscribers', 'forum'), $url, navigation_node::TYPE_SETTING);
}
if ($enrolled && forum_tp_can_track_forums($forumobject)) {
// keep tracking info for users with suspended enrolments
if ($forumobject->trackingtype == FORUM_TRACKING_OPTIONAL || !$CFG->forum_allowforcedreadtracking && $forumobject->trackingtype == FORUM_TRACKING_FORCED) {
if (forum_tp_is_tracked($forumobject)) {
$linktext = get_string('notrackforum', 'forum');
} else {
$linktext = get_string('trackforum', 'forum');
}
$url = new moodle_url('/mod/forum/settracking.php', array('id' => $forumobject->id));
$forumnode->add($linktext, $url, navigation_node::TYPE_SETTING);
}
}
if (!isloggedin() && $PAGE->course->id == SITEID) {
$userid = guest_user()->id;
} else {
$userid = $USER->id;
}
$hascourseaccess = $PAGE->course->id == SITEID || can_access_course($PAGE->course, $userid);
$enablerssfeeds = !empty($CFG->enablerssfeeds) && !empty($CFG->forum_enablerssfeeds);
if ($enablerssfeeds && $forumobject->rsstype && $forumobject->rssarticles && $hascourseaccess) {
if (!function_exists('rss_get_url')) {
require_once "{$CFG->libdir}/rsslib.php";
}
if ($forumobject->rsstype == 1) {
$string = get_string('rsssubscriberssdiscussions', 'forum');
} else {
$string = get_string('rsssubscriberssposts', 'forum');
}
$url = new moodle_url(rss_get_url($PAGE->cm->context->id, $userid, "mod_forum", $forumobject->id));
$forumnode->add($string, $url, settings_navigation::TYPE_SETTING, null, null, new pix_icon('i/rss', ''));
}
}
/**
* Helper to determine whether the specified forum can be subscribed to.
*
* @param \stdClass $forum The record of the forum to test
* @return bool
*/
public static function is_subscribable($forum)
{
return !\mod_forum\subscriptions::is_forcesubscribed($forum) && !\mod_forum\subscriptions::subscription_disabled($forum);
}
$formheading = '';
if (!empty($parent)) {
$heading = get_string("yourreply", "forum");
$formheading = get_string('reply', 'forum');
} else {
if ($forum->type == 'qanda') {
$heading = get_string('yournewquestion', 'forum');
} else {
$heading = get_string('yournewtopic', 'forum');
}
}
$postid = empty($post->id) ? null : $post->id;
$draftid_editor = file_get_submitted_draft_itemid('message');
$currenttext = file_prepare_draft_area($draftid_editor, $modcontext->id, 'mod_forum', 'post', $postid, mod_forum_post_form::editor_options($modcontext, $postid), $post->message);
$manageactivities = has_capability('moodle/course:manageactivities', $coursecontext);
if (\mod_forum\subscriptions::subscription_disabled($forum) && !$manageactivities) {
// User does not have permission to subscribe to this discussion at all.
$discussionsubscribe = false;
} else {
if (\mod_forum\subscriptions::is_forcesubscribed($forum)) {
// User does not have permission to unsubscribe from this discussion at all.
$discussionsubscribe = true;
} else {
if (isset($discussion) && \mod_forum\subscriptions::is_subscribed($USER->id, $forum, $discussion->id, $cm)) {
// User is subscribed to the discussion - continue the subscription.
$discussionsubscribe = true;
} else {
if (!isset($discussion) && \mod_forum\subscriptions::is_subscribed($USER->id, $forum, null, $cm)) {
// Starting a new discussion, and the user is subscribed to the forum - subscribe to the discussion.
$discussionsubscribe = true;
} else {
public function test_subscription_modes()
{
global $DB;
$this->resetAfterTest(true);
// Create a course, with a forum.
$course = $this->getDataGenerator()->create_course();
$options = array('course' => $course->id);
$forum = $this->getDataGenerator()->create_module('forum', $options);
\mod_forum\subscriptions::set_subscription_mode($forum->id, FORUM_FORCESUBSCRIBE);
$forum = $DB->get_record('forum', array('id' => $forum->id));
$this->assertEquals(FORUM_FORCESUBSCRIBE, \mod_forum\subscriptions::get_subscription_mode($forum));
$this->assertTrue(\mod_forum\subscriptions::is_forcesubscribed($forum));
$this->assertFalse(\mod_forum\subscriptions::is_subscribable($forum));
$this->assertFalse(\mod_forum\subscriptions::subscription_disabled($forum));
\mod_forum\subscriptions::set_subscription_mode($forum->id, FORUM_DISALLOWSUBSCRIBE);
$forum = $DB->get_record('forum', array('id' => $forum->id));
$this->assertEquals(FORUM_DISALLOWSUBSCRIBE, \mod_forum\subscriptions::get_subscription_mode($forum));
$this->assertTrue(\mod_forum\subscriptions::subscription_disabled($forum));
$this->assertFalse(\mod_forum\subscriptions::is_subscribable($forum));
$this->assertFalse(\mod_forum\subscriptions::is_forcesubscribed($forum));
\mod_forum\subscriptions::set_subscription_mode($forum->id, FORUM_INITIALSUBSCRIBE);
$forum = $DB->get_record('forum', array('id' => $forum->id));
$this->assertEquals(FORUM_INITIALSUBSCRIBE, \mod_forum\subscriptions::get_subscription_mode($forum));
$this->assertTrue(\mod_forum\subscriptions::is_subscribable($forum));
$this->assertFalse(\mod_forum\subscriptions::subscription_disabled($forum));
$this->assertFalse(\mod_forum\subscriptions::is_forcesubscribed($forum));
\mod_forum\subscriptions::set_subscription_mode($forum->id, FORUM_CHOOSESUBSCRIBE);
$forum = $DB->get_record('forum', array('id' => $forum->id));
$this->assertEquals(FORUM_CHOOSESUBSCRIBE, \mod_forum\subscriptions::get_subscription_mode($forum));
$this->assertTrue(\mod_forum\subscriptions::is_subscribable($forum));
$this->assertFalse(\mod_forum\subscriptions::subscription_disabled($forum));
$this->assertFalse(\mod_forum\subscriptions::is_forcesubscribed($forum));
}
$forumname = format_string($forum->name, true);
if ($cm->visible) {
$style = '';
} else {
$style = 'class="dimmed"';
}
$forumlink = "<a href=\"view.php?f={$forum->id}\" {$style}>" . format_string($forum->name, true) . "</a>";
$discussionlink = "<a href=\"view.php?f={$forum->id}\" {$style}>" . $count . "</a>";
$row = array($printsection, $forumlink, $forum->intro, $discussionlink);
if ($usetracking) {
$row[] = $unreadlink;
$row[] = $trackedlink;
// Tracking.
}
if ($can_subscribe) {
if (!\mod_forum\subscriptions::subscription_disabled($forum)) {
$row[] = forum_get_subscribe_link($forum, $context, array('subscribed' => $stryes, 'unsubscribed' => $strno, 'forcesubscribed' => $stryes, 'cantsubscribe' => '-'), false, false, true);
} else {
$row[] = '-';
}
$digestoptions_selector->url->param('id', $forum->id);
if ($forum->maildigest === null) {
$digestoptions_selector->selected = -1;
} else {
$digestoptions_selector->selected = $forum->maildigest;
}
$row[] = $OUTPUT->render($digestoptions_selector);
}
//If this forum has RSS activated, calculate it
if ($show_rss) {
if ($forum->rsstype and $forum->rssarticles) {
/**
* Form definition
*
* @return void
*/
function definition()
{
global $CFG, $OUTPUT;
$mform =& $this->_form;
$course = $this->_customdata['course'];
$cm = $this->_customdata['cm'];
$coursecontext = $this->_customdata['coursecontext'];
$modcontext = $this->_customdata['modcontext'];
$forum = $this->_customdata['forum'];
$post = $this->_customdata['post'];
$subscribe = $this->_customdata['subscribe'];
$edit = $this->_customdata['edit'];
$thresholdwarning = $this->_customdata['thresholdwarning'];
$mform->addElement('header', 'general', '');
//fill in the data depending on page params later using set_data
// If there is a warning message and we are not editing a post we need to handle the warning.
if (!empty($thresholdwarning) && !$edit) {
// Here we want to display a warning if they can still post but have reached the warning threshold.
if ($thresholdwarning->canpost) {
$message = get_string($thresholdwarning->errorcode, $thresholdwarning->module, $thresholdwarning->additional);
$mform->addElement('html', $OUTPUT->notification($message));
}
}
$mform->addElement('text', 'subject', get_string('subject', 'forum'), 'size="48"');
$mform->setType('subject', PARAM_TEXT);
$mform->addRule('subject', get_string('required'), 'required', null, 'client');
$mform->addRule('subject', get_string('maximumchars', '', 255), 'maxlength', 255, 'client');
$mform->addElement('editor', 'message', get_string('message', 'forum'), null, self::editor_options($modcontext, empty($post->id) ? null : $post->id));
$mform->setType('message', PARAM_RAW);
$mform->addRule('message', get_string('required'), 'required', null, 'client');
$manageactivities = has_capability('moodle/course:manageactivities', $coursecontext);
if (\mod_forum\subscriptions::is_forcesubscribed($forum)) {
$mform->addElement('static', 'subscribemessage', get_string('subscription', 'forum'), get_string('everyoneissubscribed', 'forum'));
$mform->addElement('hidden', 'subscribe');
$mform->setType('subscribe', PARAM_INT);
$mform->addHelpButton('subscribemessage', 'forcesubscribed', 'forum');
} else {
if (\mod_forum\subscriptions::subscription_disabled($forum) && !$manageactivities) {
$mform->addElement('static', 'subscribemessage', get_string('subscription', 'forum'), get_string('disallowsubscribe', 'forum'));
$mform->addElement('hidden', 'discussionsubscribe');
$mform->setType('discussionsubscribe', PARAM_INT);
$mform->addHelpButton('subscribemessage', 'disallowsubscription', 'forum');
} else {
$options = array();
$options[0] = get_string('discussionsubscribestop', 'forum');
$options[1] = get_string('discussionsubscribestart', 'forum');
$mform->addElement('select', 'discussionsubscribe', get_string('discussionsubscription', 'forum'), $options);
$mform->addHelpButton('discussionsubscribe', 'discussionsubscription', 'forum');
}
}
if (!empty($forum->maxattachments) && $forum->maxbytes != 1 && has_capability('mod/forum:createattachment', $modcontext)) {
// 1 = No attachments at all
$mform->addElement('filemanager', 'attachments', get_string('attachment', 'forum'), null, self::attachment_options($forum));
$mform->addHelpButton('attachments', 'attachment', 'forum');
}
if (empty($post->id) && $manageactivities) {
$mform->addElement('checkbox', 'mailnow', get_string('mailnow', 'forum'));
}
if (!empty($CFG->forum_enabletimedposts) && !$post->parent && has_capability('mod/forum:viewhiddentimedposts', $coursecontext)) {
// hack alert
$mform->addElement('header', 'displayperiod', get_string('displayperiod', 'forum'));
$mform->addElement('date_selector', 'timestart', get_string('displaystart', 'forum'), array('optional' => true));
$mform->addHelpButton('timestart', 'displaystart', 'forum');
$mform->addElement('date_selector', 'timeend', get_string('displayend', 'forum'), array('optional' => true));
$mform->addHelpButton('timeend', 'displayend', 'forum');
} else {
$mform->addElement('hidden', 'timestart');
$mform->setType('timestart', PARAM_INT);
$mform->addElement('hidden', 'timeend');
$mform->setType('timeend', PARAM_INT);
$mform->setConstants(array('timestart' => 0, 'timeend' => 0));
}
if ($groupmode = groups_get_activity_groupmode($cm, $course)) {
// hack alert
$groupdata = groups_get_activity_allowed_groups($cm);
$groupcount = count($groupdata);
$groupinfo = array();
$modulecontext = context_module::instance($cm->id);
// Check whether the user has access to all groups in this forum from the accessallgroups cap.
if ($groupmode == VISIBLEGROUPS || has_capability('moodle/site:accessallgroups', $modulecontext)) {
// Only allow posting to all groups if the user has access to all groups.
$groupinfo = array('0' => get_string('allparticipants'));
$groupcount++;
}
$contextcheck = has_capability('mod/forum:movediscussions', $modulecontext) && empty($post->parent) && $groupcount > 1;
if ($contextcheck) {
foreach ($groupdata as $grouptemp) {
$groupinfo[$grouptemp->id] = $grouptemp->name;
}
$mform->addElement('select', 'groupinfo', get_string('group'), $groupinfo);
$mform->setDefault('groupinfo', $post->groupid);
$mform->setType('groupinfo', PARAM_INT);
} else {
if (empty($post->groupid)) {
$groupname = get_string('allparticipants');
} else {
$groupname = format_string($groupdata[$post->groupid]->name);
}
$mform->addElement('static', 'groupinfo', get_string('group'), $groupname);
}
}
//-------------------------------------------------------------------------------
// buttons
if (isset($post->edit)) {
// hack alert
$submit_string = get_string('savechanges');
} else {
$submit_string = get_string('posttoforum', 'forum');
}
$this->add_action_buttons(true, $submit_string);
$mform->addElement('hidden', 'course');
$mform->setType('course', PARAM_INT);
$mform->addElement('hidden', 'forum');
$mform->setType('forum', PARAM_INT);
$mform->addElement('hidden', 'discussion');
$mform->setType('discussion', PARAM_INT);
$mform->addElement('hidden', 'parent');
$mform->setType('parent', PARAM_INT);
$mform->addElement('hidden', 'userid');
$mform->setType('userid', PARAM_INT);
$mform->addElement('hidden', 'groupid');
$mform->setType('groupid', PARAM_INT);
$mform->addElement('hidden', 'edit');
$mform->setType('edit', PARAM_INT);
$mform->addElement('hidden', 'reply');
$mform->setType('reply', PARAM_INT);
}
/**
* Form definition
*
* @return void
*/
function definition()
{
global $CFG, $OUTPUT;
$mform =& $this->_form;
$course = $this->_customdata['course'];
$cm = $this->_customdata['cm'];
$coursecontext = $this->_customdata['coursecontext'];
$modcontext = $this->_customdata['modcontext'];
$forum = $this->_customdata['forum'];
$post = $this->_customdata['post'];
$subscribe = $this->_customdata['subscribe'];
$edit = $this->_customdata['edit'];
$thresholdwarning = $this->_customdata['thresholdwarning'];
$mform->addElement('header', 'general', '');
//fill in the data depending on page params later using set_data
// If there is a warning message and we are not editing a post we need to handle the warning.
if (!empty($thresholdwarning) && !$edit) {
// Here we want to display a warning if they can still post but have reached the warning threshold.
if ($thresholdwarning->canpost) {
$message = get_string($thresholdwarning->errorcode, $thresholdwarning->module, $thresholdwarning->additional);
$mform->addElement('html', $OUTPUT->notification($message));
}
}
$mform->addElement('text', 'subject', get_string('subject', 'forum'), 'size="48"');
$mform->setType('subject', PARAM_TEXT);
$mform->addRule('subject', get_string('required'), 'required', null, 'client');
$mform->addRule('subject', get_string('maximumchars', '', 255), 'maxlength', 255, 'client');
$mform->addElement('editor', 'message', get_string('message', 'forum'), null, self::editor_options($modcontext, empty($post->id) ? null : $post->id));
$mform->setType('message', PARAM_RAW);
$mform->addRule('message', get_string('required'), 'required', null, 'client');
$manageactivities = has_capability('moodle/course:manageactivities', $coursecontext);
if (\mod_forum\subscriptions::is_forcesubscribed($forum)) {
$mform->addElement('checkbox', 'discussionsubscribe', get_string('discussionsubscription', 'forum'));
$mform->freeze('discussionsubscribe');
$mform->setDefaults('discussionsubscribe', 0);
$mform->addHelpButton('discussionsubscribe', 'forcesubscribed', 'forum');
} else {
if (\mod_forum\subscriptions::subscription_disabled($forum) && !$manageactivities) {
$mform->addElement('checkbox', 'discussionsubscribe', get_string('discussionsubscription', 'forum'));
$mform->freeze('discussionsubscribe');
$mform->setDefaults('discussionsubscribe', 0);
$mform->addHelpButton('discussionsubscribe', 'disallowsubscription', 'forum');
} else {
$mform->addElement('checkbox', 'discussionsubscribe', get_string('discussionsubscription', 'forum'));
$mform->addHelpButton('discussionsubscribe', 'discussionsubscription', 'forum');
}
}
if (!empty($forum->maxattachments) && $forum->maxbytes != 1 && has_capability('mod/forum:createattachment', $modcontext)) {
// 1 = No attachments at all
$mform->addElement('filemanager', 'attachments', get_string('attachment', 'forum'), null, self::attachment_options($forum));
$mform->addHelpButton('attachments', 'attachment', 'forum');
}
if (empty($post->id) && $manageactivities) {
$mform->addElement('checkbox', 'mailnow', get_string('mailnow', 'forum'));
}
if (!empty($CFG->forum_enabletimedposts) && !$post->parent && has_capability('mod/forum:viewhiddentimedposts', $coursecontext)) {
// hack alert
$mform->addElement('header', 'displayperiod', get_string('displayperiod', 'forum'));
$mform->addElement('date_time_selector', 'timestart', get_string('displaystart', 'forum'), array('optional' => true));
$mform->addHelpButton('timestart', 'displaystart', 'forum');
$mform->addElement('date_time_selector', 'timeend', get_string('displayend', 'forum'), array('optional' => true));
$mform->addHelpButton('timeend', 'displayend', 'forum');
} else {
$mform->addElement('hidden', 'timestart');
$mform->setType('timestart', PARAM_INT);
$mform->addElement('hidden', 'timeend');
$mform->setType('timeend', PARAM_INT);
$mform->setConstants(array('timestart' => 0, 'timeend' => 0));
}
if ($groupmode = groups_get_activity_groupmode($cm, $course)) {
$groupdata = groups_get_activity_allowed_groups($cm);
$groupinfo = array();
foreach ($groupdata as $groupid => $group) {
// Check whether this user can post in this group.
// We must make this check because all groups are returned for a visible grouped activity.
if (forum_user_can_post_discussion($forum, $groupid, null, $cm, $modcontext)) {
// Build the data for the groupinfo select.
$groupinfo[$groupid] = $group->name;
} else {
unset($groupdata[$groupid]);
}
}
$groupcount = count($groupinfo);
// Check whether a user can post to all of their own groups.
// Posts to all of my groups are copied to each group that the user is a member of. Certain conditions must be met.
// 1) It only makes sense to allow this when a user is in more than one group.
// Note: This check must come before we consider adding accessallgroups, because that is not a real group.
$canposttoowngroups = empty($post->edit) && $groupcount > 1;
// 2) Important: You can *only* post to multiple groups for a top level post. Never any reply.
$canposttoowngroups = $canposttoowngroups && empty($post->parent);
// 3) You also need the canposttoowngroups capability.
$canposttoowngroups = $canposttoowngroups && has_capability('mod/forum:canposttomygroups', $modcontext);
if ($canposttoowngroups) {
// This user is in multiple groups, and can post to all of their own groups.
// Note: This is not the same as accessallgroups. This option will copy a post to all groups that a
// user is a member of.
$mform->addElement('checkbox', 'posttomygroups', get_string('posttomygroups', 'forum'));
$mform->addHelpButton('posttomygroups', 'posttomygroups', 'forum');
$mform->disabledIf('groupinfo', 'posttomygroups', 'checked');
}
// Check whether this user can post to all groups.
// Posts to the 'All participants' group go to all groups, not to each group in a list.
// It makes sense to allow this, even if there currently aren't any groups because there may be in the future.
if (forum_user_can_post_discussion($forum, -1, null, $cm, $modcontext)) {
// Note: We must reverse in this manner because array_unshift renumbers the array.
$groupinfo = array_reverse($groupinfo, true);
$groupinfo[-1] = get_string('allparticipants');
$groupinfo = array_reverse($groupinfo, true);
$groupcount++;
}
// Determine whether the user can select a group from the dropdown. The dropdown is available for several reasons.
// 1) This is a new post (not an edit), and there are at least two groups to choose from.
$canselectgroupfornew = empty($post->edit) && $groupcount > 1;
// 2) This is editing of an existing post and the user is allowed to movediscussions.
// We allow this because the post may have been moved from another forum where groups are not available.
// We show this even if no groups are available as groups *may* have been available but now are not.
$canselectgroupformove = $groupcount && !empty($post->edit) && has_capability('mod/forum:movediscussions', $modcontext);
// Important: You can *only* change the group for a top level post. Never any reply.
$canselectgroup = empty($post->parent) && ($canselectgroupfornew || $canselectgroupformove);
if ($canselectgroup) {
$mform->addElement('select', 'groupinfo', get_string('group'), $groupinfo);
$mform->setDefault('groupinfo', $post->groupid);
$mform->setType('groupinfo', PARAM_INT);
} else {
if (empty($post->groupid)) {
$groupname = get_string('allparticipants');
} else {
$groupname = format_string($groupdata[$post->groupid]->name);
}
$mform->addElement('static', 'groupinfo', get_string('group'), $groupname);
}
}
//-------------------------------------------------------------------------------
// buttons
if (isset($post->edit)) {
// hack alert
$submit_string = get_string('savechanges');
} else {
$submit_string = get_string('posttoforum', 'forum');
}
$this->add_action_buttons(true, $submit_string);
$mform->addElement('hidden', 'course');
$mform->setType('course', PARAM_INT);
$mform->addElement('hidden', 'forum');
$mform->setType('forum', PARAM_INT);
$mform->addElement('hidden', 'discussion');
$mform->setType('discussion', PARAM_INT);
$mform->addElement('hidden', 'parent');
$mform->setType('parent', PARAM_INT);
$mform->addElement('hidden', 'userid');
$mform->setType('userid', PARAM_INT);
$mform->addElement('hidden', 'groupid');
$mform->setType('groupid', PARAM_INT);
$mform->addElement('hidden', 'edit');
$mform->setType('edit', PARAM_INT);
$mform->addElement('hidden', 'reply');
$mform->setType('reply', PARAM_INT);
}
redirect($returnto, get_string("nownotsubscribed", "forum", $info), 1);
} else {
print_error('cannotunsubscribe', 'forum', $_SERVER["HTTP_REFERER"]);
}
} else {
$discussion = $DB->get_record('forum_discussions', array('id' => $discussionid));
if (\mod_forum\subscriptions::unsubscribe_user_from_discussion($user->id, $discussion, $context)) {
$info->discussion = $discussion->name;
redirect($returnto, get_string("discussionnownotsubscribed", "forum", $info), 1);
} else {
print_error('cannotunsubscribe', 'forum', $_SERVER["HTTP_REFERER"]);
}
}
} else {
// subscribe
if (\mod_forum\subscriptions::subscription_disabled($forum) && !has_capability('mod/forum:managesubscriptions', $context)) {
print_error('disallowsubscribe', 'forum', $_SERVER["HTTP_REFERER"]);
}
if (!has_capability('mod/forum:viewdiscussion', $context)) {
print_error('noviewdiscussionspermission', 'forum', $_SERVER["HTTP_REFERER"]);
}
if (is_null($sesskey)) {
// we came here via link in email
$PAGE->set_title($course->shortname);
$PAGE->set_heading($course->fullname);
echo $OUTPUT->header();
echo $OUTPUT->confirm(get_string('confirmsubscribe', 'forum', format_string($forum->name)), new moodle_url($PAGE->url, array('sesskey' => sesskey())), new moodle_url('/mod/forum/view.php', array('f' => $id)));
echo $OUTPUT->footer();
exit;
}
require_sesskey();
/**
* Helper to determine whether the specified forum can be subscribed to.
*
* @param \stdClass $forum The record of the forum to test
* @return bool
*/
public static function is_subscribable($forum)
{
return isloggedin() && !isguestuser() && !\mod_forum\subscriptions::is_forcesubscribed($forum) && !\mod_forum\subscriptions::subscription_disabled($forum);
}
public function test_subscription_modes()
{
global $DB;
$this->resetAfterTest(true);
// Create a course, with a forum.
$course = $this->getDataGenerator()->create_course();
$options = array('course' => $course->id);
$forum = $this->getDataGenerator()->create_module('forum', $options);
// Create a user enrolled in the course as a student.
list($user) = $this->helper_create_users($course, 1);
// Must be logged in as the current user.
$this->setUser($user);
\mod_forum\subscriptions::set_subscription_mode($forum->id, FORUM_FORCESUBSCRIBE);
$forum = $DB->get_record('forum', array('id' => $forum->id));
$this->assertEquals(FORUM_FORCESUBSCRIBE, \mod_forum\subscriptions::get_subscription_mode($forum));
$this->assertTrue(\mod_forum\subscriptions::is_forcesubscribed($forum));
$this->assertFalse(\mod_forum\subscriptions::is_subscribable($forum));
$this->assertFalse(\mod_forum\subscriptions::subscription_disabled($forum));
\mod_forum\subscriptions::set_subscription_mode($forum->id, FORUM_DISALLOWSUBSCRIBE);
$forum = $DB->get_record('forum', array('id' => $forum->id));
$this->assertEquals(FORUM_DISALLOWSUBSCRIBE, \mod_forum\subscriptions::get_subscription_mode($forum));
$this->assertTrue(\mod_forum\subscriptions::subscription_disabled($forum));
$this->assertFalse(\mod_forum\subscriptions::is_subscribable($forum));
$this->assertFalse(\mod_forum\subscriptions::is_forcesubscribed($forum));
\mod_forum\subscriptions::set_subscription_mode($forum->id, FORUM_INITIALSUBSCRIBE);
$forum = $DB->get_record('forum', array('id' => $forum->id));
$this->assertEquals(FORUM_INITIALSUBSCRIBE, \mod_forum\subscriptions::get_subscription_mode($forum));
$this->assertTrue(\mod_forum\subscriptions::is_subscribable($forum));
$this->assertFalse(\mod_forum\subscriptions::subscription_disabled($forum));
$this->assertFalse(\mod_forum\subscriptions::is_forcesubscribed($forum));
\mod_forum\subscriptions::set_subscription_mode($forum->id, FORUM_CHOOSESUBSCRIBE);
$forum = $DB->get_record('forum', array('id' => $forum->id));
$this->assertEquals(FORUM_CHOOSESUBSCRIBE, \mod_forum\subscriptions::get_subscription_mode($forum));
$this->assertTrue(\mod_forum\subscriptions::is_subscribable($forum));
$this->assertFalse(\mod_forum\subscriptions::subscription_disabled($forum));
$this->assertFalse(\mod_forum\subscriptions::is_forcesubscribed($forum));
}
