discussion topics using new page handler

git-svn-id: http://code.elgg.org/elgg/trunk@7880 36083f99-b078-4883-b0ff-0f9b5a30f544

1 files changed, 209 insertions, 0 deletions

diff --git a/mod/groups/lib/discussion.php b/mod/groups/lib/discussion.php
new file mode 100644
index 000000000..92ee94013
--- /dev/null
+++ b/mod/groups/lib/discussion.php
@@ -0,0 +1,209 @@
+<?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',
+		'annotation_name' => 'generic_comment',
+		'order_by' => 'e.last_action desc',
+		'limit' => 40,
+		'fullview' => false,
+	));
+
+	$params = array(
+		'content' => $content,
+		'title' => elgg_echo('discussion:latest'),
+		'filter' => '',
+		'buttons' => '',
+	);
+	$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);
+
+	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,
+		'fullview' => true,
+	);
+	$content = elgg_list_entities($options);
+
+
+	$params = array(
+		'content' => $content,
+		'title' => $title,
+		'filter' => '',
+	);
+
+	if (!$group->isMember() && !$group->canEdit()) {
+		$params['buttons'] = '';
+	}
+
+	$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') {
+		elgg_set_page_owner_guid($guid);
+		$group = get_entity($guid);
+		if (!$group) {
+			register_error(elgg_echo('group:notfound'));
+			forward();
+		}
+		group_gatekeeper();
+
+		$title = elgg_echo('groups:addtopic');
+
+		elgg_push_breadcrumb($group->name, "pg/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();
+		}
+		elgg_set_page_owner_guid($group->getGUID());
+
+		$title = elgg_echo('groups:edittopic');
+
+		elgg_push_breadcrumb($group->name, "pg/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' => '',
+		'buttons' => '',
+	);
+	$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('discussion:topic:notfound'));
+		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, "pg/discussion/owner/$group->guid");
+	elgg_push_breadcrumb($topic->title);
+
+	$content = elgg_view('forum/viewposts', array('entity' => $topic));
+
+	$params = array(
+		'content' => $content,
+		'title' => $topic->title,
+		'filter' => '',
+		'buttons' => '',
+	);
+	$body = elgg_view_layout('content', $params);
+
+	echo elgg_view_page($title, $body);
+}
+
+function discussion_prepare_form_vars($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) {
+			$values[$field] = $topic->$field;
+		}
+	}
+
+	if (elgg_is_sticky_form('topic')) {
+		foreach (array_keys($values) as $field) {
+			$values[$field] = elgg_get_sticky_value('topic', $field);
+		}
+	}
+
+	elgg_clear_sticky_form('topic');
+
+	return $values;
+}