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<?php
// This file is part of Moodle - http://moodle.org/
//
// Moodle is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Moodle is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
/**
* Forum post renderable.
*
* @package mod_forum
* @copyright 2015 Andrew Nicols <andrew@nicols.co.uk>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
namespace mod_forum\output;
defined('MOODLE_INTERNAL') || die();
/**
* Forum post renderable.
*
* @copyright 2015 Andrew Nicols <andrew@nicols.co.uk>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*
* @property boolean $viewfullnames Whether to override fullname()
*/
class forum_post implements \renderable, \templatable {
/**
* The course that the forum post is in.
*
* @var object $course
*/
protected $course = null;
/**
* The course module for the forum.
*
* @var object $cm
*/
protected $cm = null;
/**
* The forum that the post is in.
*
* @var object $forum
*/
protected $forum = null;
/**
* The discussion that the forum post is in.
*
* @var object $discussion
*/
protected $discussion = null;
/**
* The forum post being displayed.
*
* @var object $post
*/
protected $post = null;
/**
* Whether the user can reply to this post.
*
* @var boolean $canreply
*/
protected $canreply = false;
/**
* Whether to override forum display when displaying usernames.
* @var boolean $viewfullnames
*/
protected $viewfullnames = false;
/**
* The user that is reading the post.
*
* @var object $userto
*/
protected $userto = null;
/**
* The user that wrote the post.
*
* @var object $author
*/
protected $author = null;
/**
* An associative array indicating which keys on this object should be writeable.
*
* @var array $writablekeys
*/
protected $writablekeys = array(
'viewfullnames' => true,
);
/**
* Builds a renderable forum post
*
* @param object $course Course of the forum
* @param object $cm Course Module of the forum
* @param object $forum The forum of the post
* @param object $discussion Discussion thread in which the post appears
* @param object $post The post
* @param object $author Author of the post
* @param object $recipient Recipient of the email
* @param bool $canreply True if the user can reply to the post
*/
public function __construct($course, $cm, $forum, $discussion, $post, $author, $recipient, $canreply) {
$this->course = $course;
$this->cm = $cm;
$this->forum = $forum;
$this->discussion = $discussion;
$this->post = $post;
$this->author = $author;
$this->userto = $recipient;
$this->canreply = $canreply;
}
/**
* Export this data so it can be used as the context for a mustache template.
*
* @param \mod_forum_renderer $renderer The render to be used for formatting the message and attachments
* @param bool $plaintext Whethe the target is a plaintext target
* @return array Data ready for use in a mustache template
*/
public function export_for_template(\renderer_base $renderer, $plaintext = false) {
if ($plaintext) {
return $this->export_for_template_text($renderer);
} else {
return $this->export_for_template_html($renderer);
}
}
/**
* Export this data so it can be used as the context for a mustache template.
*
* @param \mod_forum_renderer $renderer The render to be used for formatting the message and attachments
* @return array Data ready for use in a mustache template
*/
protected function export_for_template_text(\mod_forum_renderer $renderer) {
$data = $this->export_for_template_shared($renderer);
return $data + array(
'id' => html_entity_decode($this->post->id),
'coursename' => html_entity_decode($this->get_coursename()),
'courselink' => html_entity_decode($this->get_courselink()),
'forumname' => html_entity_decode($this->get_forumname()),
'showdiscussionname' => html_entity_decode($this->get_showdiscussionname()),
'discussionname' => html_entity_decode($this->get_discussionname()),
'subject' => html_entity_decode($this->get_subject()),
'authorfullname' => html_entity_decode($this->get_author_fullname()),
'postdate' => html_entity_decode($this->get_postdate()),
// Format some components according to the renderer.
'message' => html_entity_decode($renderer->format_message_text($this->cm, $this->post)),
'attachments' => html_entity_decode($renderer->format_message_attachments($this->cm, $this->post)),
'canreply' => $this->canreply,
'permalink' => $this->get_permalink(),
'firstpost' => $this->get_is_firstpost(),
'replylink' => $this->get_replylink(),
'unsubscribediscussionlink' => $this->get_unsubscribediscussionlink(),
'unsubscribeforumlink' => $this->get_unsubscribeforumlink(),
'parentpostlink' => $this->get_parentpostlink(),
'forumindexlink' => $this->get_forumindexlink(),
'forumviewlink' => $this->get_forumviewlink(),
'discussionlink' => $this->get_discussionlink(),
'authorlink' => $this->get_authorlink(),
'authorpicture' => $this->get_author_picture($renderer),
'grouppicture' => $this->get_group_picture($renderer),
);
}
/**
* Export this data so it can be used as the context for a mustache template.
*
* @param \mod_forum_renderer $renderer The render to be used for formatting the message and attachments
* @return array Data ready for use in a mustache template
*/
protected function export_for_template_html(\mod_forum_renderer $renderer) {
$data = $this->export_for_template_shared($renderer);
return $data + array(
'id' => $this->post->id,
'coursename' => $this->get_coursename(),
'courselink' => $this->get_courselink(),
'forumname' => $this->get_forumname(),
'showdiscussionname' => $this->get_showdiscussionname(),
'discussionname' => $this->get_discussionname(),
'subject' => $this->get_subject(),
'authorfullname' => $this->get_author_fullname(),
'postdate' => $this->get_postdate(),
// Format some components according to the renderer.
'message' => $renderer->format_message_text($this->cm, $this->post),
'attachments' => $renderer->format_message_attachments($this->cm, $this->post),
);
}
/**
* Export this data so it can be used as the context for a mustache template.
*
* @param \mod_forum_renderer $renderer The render to be used for formatting the message and attachments
* @return stdClass Data ready for use in a mustache template
*/
protected function export_for_template_shared(\mod_forum_renderer $renderer) {
return array(
'canreply' => $this->canreply,
'permalink' => $this->get_permalink(),
'firstpost' => $this->get_is_firstpost(),
'replylink' => $this->get_replylink(),
'unsubscribediscussionlink' => $this->get_unsubscribediscussionlink(),
'unsubscribeforumlink' => $this->get_unsubscribeforumlink(),
'parentpostlink' => $this->get_parentpostlink(),
'forumindexlink' => $this->get_forumindexlink(),
'forumviewlink' => $this->get_forumviewlink(),
'discussionlink' => $this->get_discussionlink(),
'authorlink' => $this->get_authorlink(),
'authorpicture' => $this->get_author_picture($renderer),
'grouppicture' => $this->get_group_picture($renderer),
'isprivatereply' => !empty($this->post->privatereplyto),
);
}
/**
* Magically sets a property against this object.
*
* @param string $key
* @param mixed $value
*/
public function __set($key, $value) {
// First attempt to use the setter function.
$methodname = 'set_' . $key;
if (method_exists($this, $methodname)) {
return $this->{$methodname}($value);
}
// Fall back to the writable keys list.
if (isset($this->writablekeys[$key]) && $this->writablekeys[$key]) {
return $this->{$key} = $value;
}
// Throw an error rather than fail silently.
throw new \coding_exception('Tried to set unknown property "' . $key . '"');
}
/**
* Whether this is the first post.
*
* @return boolean
*/
public function get_is_firstpost() {
return empty($this->post->parent);
}
/**
* Get the link to the course.
*
* @return string
*/
public function get_courselink() {
$link = new \moodle_url(
// Posts are viewed on the topic.
'/course/view.php', array(
'id' => $this->course->id,
)
);
return $link->out(false);
}
/**
* Get the link to the forum index for this course.
*
* @return string
*/
public function get_forumindexlink() {
$link = new \moodle_url(
// Posts are viewed on the topic.
'/mod/forum/index.php', array(
'id' => $this->course->id,
)
);
return $link->out(false);
}
/**
* Get the link to the view page for this forum.
*
* @return string
*/
public function get_forumviewlink() {
$link = new \moodle_url(
// Posts are viewed on the topic.
'/mod/forum/view.php', array(
'f' => $this->forum->id,
)
);
return $link->out(false);
}
/**
* Get the link to the current discussion.
*
* @return string
*/
protected function _get_discussionlink() {
return new \moodle_url(
// Posts are viewed on the topic.
'/mod/forum/discuss.php', array(
// Within a discussion.
'd' => $this->discussion->id,
)
);
}
/**
* Get the link to the current discussion.
*
* @return string
*/
public function get_discussionlink() {
$link = $this->_get_discussionlink();
return $link->out(false);
}
/**
* Get the link to the current post, including post anchor.
*
* @return string
*/
public function get_permalink() {
$link = $this->_get_discussionlink();
$link->set_anchor($this->get_postanchor());
return $link->out(false);
}
/**
* Get the link to the parent post.
*
* @return string
*/
public function get_parentpostlink() {
$link = $this->_get_discussionlink();
$link->param('parent', $this->post->parent);
return $link->out(false);
}
/**
* Get the link to the author's profile page.
*
* @return string
*/
public function get_authorlink() {
$link = new \moodle_url(
'/user/view.php', array(
'id' => $this->post->userid,
'course' => $this->course->id,
)
);
return $link->out(false);
}
/**
* Get the link to unsubscribe from the forum.
*
* @return string
*/
public function get_unsubscribeforumlink() {
if (!\mod_forum\subscriptions::is_subscribable($this->forum)) {
return null;
}
$link = new \moodle_url(
'/mod/forum/subscribe.php', array(
'id' => $this->forum->id,
)
);
return $link->out(false);
}
/**
* Get the link to unsubscribe from the discussion.
*
* @return string
*/
public function get_unsubscribediscussionlink() {
if (!\mod_forum\subscriptions::is_subscribable($this->forum)) {
return null;
}
$link = new \moodle_url(
'/mod/forum/subscribe.php', array(
'id' => $this->forum->id,
'd' => $this->discussion->id,
)
);
return $link->out(false);
}
/**
* Get the link to reply to the current post.
*
* @return string
*/
public function get_replylink() {
return new \moodle_url(
'/mod/forum/post.php', array(
'reply' => $this->post->id,
)
);
}
/**
* The formatted subject for the current post.
*
* @return string
*/
public function get_subject() {
return format_string($this->post->subject, true);
}
/**
* The plaintext anchor id for the current post.
*
* @return string
*/
public function get_postanchor() {
return 'p' . $this->post->id;
}
/**
* ID number of the course that the forum is in.
*
* @return string
*/
public function get_courseidnumber() {
return s($this->course->idnumber);
}
/**
* The full name of the course that the forum is in.
*
* @return string
*/
public function get_coursefullname() {
return format_string($this->course->fullname, true, array(
'context' => \context_course::instance($this->course->id),
));
}
/**
* The name of the course that the forum is in.
*
* @return string
*/
public function get_coursename() {
return format_string($this->course->shortname, true, array(
'context' => \context_course::instance($this->course->id),
));
}
/**
* The name of the forum.
*
* @return string
*/
public function get_forumname() {
return format_string($this->forum->name, true);
}
/**
* The name of the current discussion.
*
* @return string
*/
public function get_discussionname() {
return format_string($this->discussion->name, true);
}
/**
* Whether to show the discussion name.
* If the forum name matches the discussion name, the discussion name
* is not typically displayed.
*
* @return boolean
*/
public function get_showdiscussionname() {
return ($this->forum->name !== $this->discussion->name);
}
/**
* The fullname of the post author.
*
* @return string
*/
public function get_author_fullname() {
return fullname($this->author, $this->viewfullnames);
}
/**
* The recipient of the post.
*
* @return string
*/
protected function get_postto() {
global $USER;
if (null === $this->userto) {
return $USER;
}
return $this->userto;
}
/**
* The date of the post, formatted according to the postto user's
* preferences.
*
* @return string.
*/
public function get_postdate() {
global $CFG;
$postmodified = $this->post->modified;
if (!empty($CFG->forum_enabletimedposts) && ($this->discussion->timestart > $postmodified)) {
$postmodified = $this->discussion->timestart;
}
return userdate($postmodified, "", \core_date::get_user_timezone($this->get_postto()));
}
/**
* The HTML for the author's user picture.
*
* @param \renderer_base $renderer
* @return string
*/
public function get_author_picture(\renderer_base $renderer) {
return $renderer->user_picture($this->author, array('courseid' => $this->course->id));
}
/**
* The HTML for a group picture.
*
* @param \renderer_base $renderer
* @return string
*/
public function get_group_picture(\renderer_base $renderer) {
if (isset($this->userfrom->groups)) {
$groups = $this->userfrom->groups[$this->forum->id];
} else {
$groups = groups_get_all_groups($this->course->id, $this->author->id, $this->cm->groupingid);
}
if ($this->get_is_firstpost()) {
return print_group_picture($groups, $this->course->id, false, true, true, true);
}
}
}