<?php
/**
 * Manage group invite requests.
 *
 * @package ElggGroups
 */

elgg_gatekeeper();

$guid = (int) get_input("group_guid");
elgg_entity_gatekeeper($guid, "group");
elgg_group_gatekeeper();

elgg_set_page_owner_guid($guid);
$group = get_entity($guid);

if (!$group->canEdit()) {
	register_error(elgg_echo("groups:noaccess"));
	forward(REFERER);
}

$title = elgg_echo("groups:membershiprequests");

// change page title
if ($group->isPublicMembership()) {
	$title = elgg_echo("group_tools:menu:invitations");
}

elgg_push_breadcrumb(elgg_echo("groups"), "groups/all");
elgg_push_breadcrumb($group->name, $group->getURL());
elgg_push_breadcrumb($title);

elgg_register_menu_item("title", array(
	"name" => "groups:invite",
	"href" => "groups/invite/" . $group->getGUID(),
	"text" => elgg_echo("groups:invite"),
	"link_class" => "elgg-button elgg-button-action",
));

$subpage = get_input("subpage");
$offset = (int) get_input("offset");
$limit = (int) get_input("limit", 25);

$dbprefix = elgg_get_config("dbprefix");

elgg_push_context("group_membershipreq");
$menu = elgg_view_menu("filter", array(
	"entity" => $group,
	"class" => "elgg-menu-hz",
	"sort_by" => "priority",
	"handler" => "groups"
));
elgg_pop_context();

switch ($subpage) {
	case "invites":
		// invited users
		$options = array(
			"joins" => array("JOIN " . $dbprefix . "users_entity ue ON e.guid = ue.guid"),
			"type" => "user",
			"relationship" => "invited",
			"relationship_guid" => $guid,
			"offset" => $offset,
			"limit" => $limit,
			"count" => true,
			"order_by" => "ue.name ASC"
		);
		
		$count = elgg_get_entities_from_relationship($options);
		unset($options["count"]);
		$invitations = elgg_get_entities_from_relationship($options);
		
		$content = elgg_view("group_tools/membershipreq/invites", array(
			"invitations" => $invitations,
			"entity" => $group,
			"offset" => $offset,
			"limit" => $limit,
			"count" => $count
		));
		
		break;
	case "email_invites":
		// invited emails
		$options = array(
			"selects" => array("SUBSTRING_INDEX(v.string, '|', -1) AS invited_email"),
			"annotation_name" => "email_invitation",
			"annotation_owner_guid" => $group->getGUID(),
			"wheres" => array("(v.string LIKE '%|%')"),
			"offset" => $offset,
			"limit" => $limit,
			"count" => true,
			"order_by" => "invited_email ASC"
		);
		
		$count = elgg_get_annotations($options);
		unset($options["count"]);
		$emails = elgg_get_annotations($options);
		
		$content = elgg_view("group_tools/membershipreq/email_invites", array(
			"emails" => $emails,
			"entity" => $group,
			"offset" => $offset,
			"limit" => $limit,
			"count" => $count
		));
		
		break;
	default:
		// membership requests
		$options = array(
			"joins" => array("JOIN " . $dbprefix . "users_entity ue ON e.guid = ue.guid"),
			"type" => "user",
			"relationship" => "membership_request",
			"relationship_guid" => $guid,
			"inverse_relationship" => true,
			"offset" => $offset,
			"limit" => $limit,
			"count" => true,
			"order_by" => "ue.name ASC"
		);
		
		$count = elgg_get_entities_from_relationship($options);
		unset($options["count"]);
		$requests = elgg_get_entities_from_relationship($options);
		
		$content = elgg_view("groups/membershiprequests", array(
			"requests" => $requests,
			"entity" => $group,
			"offset" => $offset,
			"limit" => $limit,
			"count" => $count
		));
		
		break;
}

$params = array(
	"content" => $content,
	"title" => $title,
	"filter" => $menu,
);
$body = elgg_view_layout("content", $params);

echo elgg_view_page($title, $body);