From 9c6eb2dae8143d7b615d213869bca4b5b2456a98 Mon Sep 17 00:00:00 2001
From: brettp <brettp@36083f99-b078-4883-b0ff-0f9b5a30f544>
Date: Sat, 12 Jun 2010 20:23:51 +0000
Subject: Merged r6362:6366 from 1.7 to trunk.

git-svn-id: http://code.elgg.org/elgg/trunk@6469 36083f99-b078-4883-b0ff-0f9b5a30f544
---
 mod/invitefriends/actions/invite.php | 24 +++++++++++++++++++++---
 1 file changed, 21 insertions(+), 3 deletions(-)

(limited to 'mod/invitefriends/actions/invite.php')

diff --git a/mod/invitefriends/actions/invite.php b/mod/invitefriends/actions/invite.php
index abc212bea..9334860a7 100644
--- a/mod/invitefriends/actions/invite.php
+++ b/mod/invitefriends/actions/invite.php
@@ -19,7 +19,7 @@ if (strlen($emails) > 0) {
 }
 
 if (!is_array($emails) || count($emails) == 0) {
-	register_error(elgg_echo('invitefriends:failure'));
+	register_error(elgg_echo('invitefriends:noemails'));
 	forward($_SERVER['HTTP_REFERER']);
 }
 
@@ -27,7 +27,9 @@ $current_user = get_loggedin_user();
 
 $error = FALSE;
 $bad_emails = array();
-foreach($emails as $email) {
+$already_members = array();
+$sent_total = 0;
+foreach ($emails as $email) {
 
 	$email = trim($email);
 	if (empty($email)) {
@@ -41,6 +43,12 @@ foreach($emails as $email) {
 		continue;
 	}
 
+	if (get_user_by_email($email)) {
+		$error = TRUE;
+		$already_members[] = $email;
+		continue;
+	}
+
 	$link = $CONFIG->wwwroot . 'pg/register?friend_guid=' . $current_user->guid . '&invitecode=' . generate_invite_code($current_user->username);
 	$message = sprintf(elgg_echo('invitefriends:email'),
 					$CONFIG->site->name,
@@ -60,10 +68,20 @@ foreach($emails as $email) {
 	}
 
 	elgg_send_email($from, $email, $subject, $message);
+	$sent_total++;
 }
 
 if ($error) {
-	register_error(sprintf(elgg_echo('invitefriends:email_error'), implode(', ', $bad_emails)));
+	register_error(sprintf(elgg_echo('invitefriends:invitations_sent'), $sent_total));
+
+	if (count($bad_emails) > 0) {
+		register_error(sprintf(elgg_echo('invitefriends:email_error'), implode(', ', $bad_emails)));
+	}
+
+	if (count($already_members) > 0) {
+		register_error(sprintf(elgg_echo('invitefriends:already_members'), implode(', ', $already_members)));
+	}
+	
 } else {
 	system_message(elgg_echo('invitefriends:success'));
 }
-- 
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