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<?php
/**
* Discussion function library
*/
/**
* List all discussion topics
*/
function discussion_handle_all_page() {
elgg_pop_breadcrumb();
elgg_push_breadcrumb(elgg_echo('discussion'));
$content = elgg_list_entities(array(
'type' => 'object',
'subtype' => 'groupforumtopic',
'order_by' => 'e.last_action desc',
'limit' => 20,
'full_view' => false,
));
$params = array(
'content' => $content,
'title' => elgg_echo('discussion:latest'),
'filter' => '',
);
$body = elgg_view_layout('content', $params);
echo elgg_view_page($title, $body);
}
/**
* List discussion topics in a group
*
* @param int $guid Group entity GUID
*/
function discussion_handle_list_page($guid) {
elgg_set_page_owner_guid($guid);
$group = get_entity($guid);
if (!$group) {
register_error(elgg_echo('group:notfound'));
forward();
}
elgg_push_breadcrumb($group->name);
elgg_register_title_button();
group_gatekeeper();
$title = elgg_echo('item:object:groupforumtopic');
$options = array(
'type' => 'object',
'subtype' => 'groupforumtopic',
'limit' => 20,
'order_by' => 'e.last_action desc',
'container_guid' => $guid,
'full_view' => false,
);
$content = elgg_list_entities($options);
if (!$content) {
$content = elgg_echo('discussion:none');
}
$params = array(
'content' => $content,
'title' => $title,
'filter' => '',
);
$body = elgg_view_layout('content', $params);
echo elgg_view_page($title, $body);
}
/**
* Edit or add a discussion topic
*
* @param string $type 'add' or 'edit'
* @param int $guid GUID of group or topic
*/
function discussion_handle_edit_page($type, $guid) {
gatekeeper();
if ($type == 'add') {
$group = get_entity($guid);
if (!$group) {
register_error(elgg_echo('group:notfound'));
forward();
}
// make sure user has permissions to add a topic to container
if (!$group->canWriteToContainer(0, 'object', 'groupforumtopic')) {
register_error(elgg_echo('groups:permissions:error'));
forward($group->getURL());
}
$title = elgg_echo('groups:addtopic');
elgg_push_breadcrumb($group->name, "discussion/owner/$group->guid");
elgg_push_breadcrumb($title);
$body_vars = discussion_prepare_form_vars();
$content = elgg_view_form('discussion/save', array(), $body_vars);
} else {
$topic = get_entity($guid);
if (!$topic || !$topic->canEdit()) {
register_error(elgg_echo('discussion:topic:notfound'));
forward();
}
$group = $topic->getContainerEntity();
if (!$group) {
register_error(elgg_echo('group:notfound'));
forward();
}
$title = elgg_echo('groups:edittopic');
elgg_push_breadcrumb($group->name, "discussion/owner/$group->guid");
elgg_push_breadcrumb($topic->title, $topic->getURL());
elgg_push_breadcrumb($title);
$body_vars = discussion_prepare_form_vars($topic);
$content = elgg_view_form('discussion/save', array(), $body_vars);
}
$params = array(
'content' => $content,
'title' => $title,
'filter' => '',
);
$body = elgg_view_layout('content', $params);
echo elgg_view_page($title, $body);
}
/**
* View a discussion topic
*
* @param int $guid GUID of topic
*/
function discussion_handle_view_page($guid) {
// We now have RSS on topics
global $autofeed;
$autofeed = true;
$topic = get_entity($guid);
if (!$topic) {
register_error(elgg_echo('noaccess'));
$_SESSION['last_forward_from'] = current_page_url();
forward('');
}
$group = $topic->getContainerEntity();
if (!$group) {
register_error(elgg_echo('group:notfound'));
forward();
}
elgg_set_page_owner_guid($group->getGUID());
group_gatekeeper();
elgg_push_breadcrumb($group->name, "discussion/owner/$group->guid");
elgg_push_breadcrumb($topic->title);
$content = elgg_view_entity($topic, array('full_view' => true));
if ($topic->status == 'closed') {
$content .= elgg_view('discussion/replies', array(
'entity' => $topic,
'show_add_form' => false,
));
$content .= elgg_view('discussion/closed');
} elseif ($group->canWriteToContainer(0, 'object', 'groupforumtopic') || elgg_is_admin_logged_in()) {
$content .= elgg_view('discussion/replies', array(
'entity' => $topic,
'show_add_form' => true,
));
} else {
$content .= elgg_view('discussion/replies', array(
'entity' => $topic,
'show_add_form' => false,
));
}
$params = array(
'content' => $content,
'title' => $topic->title,
'filter' => '',
);
$body = elgg_view_layout('content', $params);
echo elgg_view_page($topic->title, $body);
}
/**
* Prepare discussion topic form variables
*
* @param ElggObject $topic Topic object if editing
* @return array
*/
function discussion_prepare_form_vars($topic = NULL) {
// input names => defaults
$values = array(
'title' => '',
'description' => '',
'status' => '',
'access_id' => ACCESS_DEFAULT,
'tags' => '',
'container_guid' => elgg_get_page_owner_guid(),
'guid' => null,
'entity' => $topic,
);
if ($topic) {
foreach (array_keys($values) as $field) {
if (isset($topic->$field)) {
$values[$field] = $topic->$field;
}
}
}
if (elgg_is_sticky_form('topic')) {
$sticky_values = elgg_get_sticky_values('topic');
foreach ($sticky_values as $key => $value) {
$values[$key] = $value;
}
}
elgg_clear_sticky_form('topic');
return $values;
}
|
