From d84add30c2846a91636f8e58dff5f29f018791a8 Mon Sep 17 00:00:00 2001
From: cash <cash.costello@gmail.com>
Date: Sat, 20 Apr 2013 12:43:26 -0400
Subject: Refs #5332 cleans up group invite action

---
 mod/groups/actions/groups/membership/invite.php | 73 +++++++++++++------------
 1 file changed, 39 insertions(+), 34 deletions(-)

(limited to 'mod/groups/actions/groups/membership/invite.php')

diff --git a/mod/groups/actions/groups/membership/invite.php b/mod/groups/actions/groups/membership/invite.php
index db90ecf3a..a96165b0e 100644
--- a/mod/groups/actions/groups/membership/invite.php
+++ b/mod/groups/actions/groups/membership/invite.php
@@ -7,43 +7,48 @@
 
 $logged_in_user = elgg_get_logged_in_user_entity();
 
-$user_guid = get_input('user_guid');
-if (!is_array($user_guid)) {
-	$user_guid = array($user_guid);
+$user_guids = get_input('user_guid');
+if (!is_array($user_guids)) {
+	$user_guids = array($user_guids);
 }
 $group_guid = get_input('group_guid');
+$group = get_entity($group_guid);
 
-if (sizeof($user_guid)) {
-	foreach ($user_guid as $u_id) {
-		$user = get_entity($u_id);
-		$group = get_entity($group_guid);
-
-		if ($user && $group && ($group instanceof ElggGroup) && $group->canEdit()) {
-
-			if (!check_entity_relationship($group->guid, 'invited', $user->guid)) {
-
-				// Create relationship
-				add_entity_relationship($group->guid, 'invited', $user->guid);
-
-				// Send email
-				$url = elgg_normalize_url("groups/invitations/$user->username");
-				$result = notify_user($user->getGUID(), $group->owner_guid,
-						elgg_echo('groups:invite:subject', array($user->name, $group->name)),
-						elgg_echo('groups:invite:body', array(
-							$user->name,
-							$logged_in_user->name,
-							$group->name,
-							$url,
-						)),
-						NULL);
-				if ($result) {
-					system_message(elgg_echo("groups:userinvited"));
-				} else {
-					register_error(elgg_echo("groups:usernotinvited"));
-				}
-			} else {
-				register_error(elgg_echo("groups:useralreadyinvited"));
-			}
+if (count($user_guids) > 0 && elgg_instanceof($group, 'group') && $group->canEdit()) {
+	foreach ($user_guids as $guid) {
+		$user = get_user($guid);
+		if (!$user) {
+			continue;
+		}
+
+		if (check_entity_relationship($group->guid, 'invited', $user->guid)) {
+			register_error(elgg_echo("groups:useralreadyinvited"));
+			continue;
+		}
+
+		if (check_entity_relationship($user->guid, 'member', $group->guid)) {
+			// @todo add error message
+			continue;
+		}
+
+		// Create relationship
+		add_entity_relationship($group->guid, 'invited', $user->guid);
+
+		// Send notification
+		$url = elgg_normalize_url("groups/invitations/$user->username");
+		$result = notify_user($user->getGUID(), $group->owner_guid,
+				elgg_echo('groups:invite:subject', array($user->name, $group->name)),
+				elgg_echo('groups:invite:body', array(
+					$user->name,
+					$logged_in_user->name,
+					$group->name,
+					$url,
+				)),
+				NULL);
+		if ($result) {
+			system_message(elgg_echo("groups:userinvited"));
+		} else {
+			register_error(elgg_echo("groups:usernotinvited"));
 		}
 	}
 }
-- 
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