diff options
Diffstat (limited to 'mod/groups/lib/discussion.php')
| -rw-r--r-- | mod/groups/lib/discussion.php | 235 |
1 files changed, 235 insertions, 0 deletions
diff --git a/mod/groups/lib/discussion.php b/mod/groups/lib/discussion.php new file mode 100644 index 000000000..874e21b2d --- /dev/null +++ b/mod/groups/lib/discussion.php @@ -0,0 +1,235 @@ +<?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 (!elgg_instanceof($group, 'group')) { + forward('', '404'); + } + elgg_push_breadcrumb($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; +} |