7 files changed, 245 insertions, 0 deletions
diff --git a/mod/invitefriends/actions/invite.php b/mod/invitefriends/actions/invite.php
new file mode 100644
index 000000000..eed156d69
--- /dev/null
+++ b/mod/invitefriends/actions/invite.php
@@ -0,0 +1,88 @@
+<?php
+
+/**
+ * Elgg invite friends action
+ *
+ * @package ElggInviteFriends
+ */
+
+$site = elgg_get_site_entity();
+
+$emails = get_input('emails');
+$emailmessage = get_input('emailmessage');
+
+$emails = trim($emails);
+if (strlen($emails) > 0) {
+	$emails = preg_split('/\\s+/', $emails, -1, PREG_SPLIT_NO_EMPTY);
+}
+
+if (!is_array($emails) || count($emails) == 0) {
+	register_error(elgg_echo('invitefriends:noemails'));
+	forward(REFERER);
+}
+
+$current_user = elgg_get_logged_in_user_entity();
+
+$error = FALSE;
+$bad_emails = array();
+$already_members = array();
+$sent_total = 0;
+foreach ($emails as $email) {
+
+	$email = trim($email);
+	if (empty($email)) {
+		continue;
+	}
+
+	// send out other email addresses
+	if (!is_email_address($email)) {
+		$error = TRUE;
+		$bad_emails[] = $email;
+		continue;
+	}
+
+	if (get_user_by_email($email)) {
+		$error = TRUE;
+		$already_members[] = $email;
+		continue;
+	}
+
+	$link = elgg_get_site_url() . 'register?friend_guid=' . $current_user->guid . '&invitecode=' . generate_invite_code($current_user->username);
+	$message = elgg_echo('invitefriends:email', array(
+					$site->name,
+					$current_user->name,
+					$emailmessage,
+					$link
+				)
+	);
+
+	$subject = elgg_echo('invitefriends:subject', array($site->name));
+
+	// create the from address
+	$site = get_entity($site->guid);
+	if ($site && $site->email) {
+		$from = $site->email;
+	} else {
+		$from = 'noreply@' . get_site_domain($site->guid);
+	}
+
+	elgg_send_email($from, $email, $subject, $message);
+	$sent_total++;
+}
+
+if ($error) {
+	register_error(elgg_echo('invitefriends:invitations_sent', array($sent_total)));
+
+	if (count($bad_emails) > 0) {
+		register_error(elgg_echo('invitefriends:email_error', array(implode(', ', $bad_emails))));
+	}
+
+	if (count($already_members) > 0) {
+		register_error(elgg_echo('invitefriends:already_members', array(implode(', ', $already_members))));
+	}
+
+} else {
+	system_message(elgg_echo('invitefriends:success'));
+}
+
+forward(REFERER);
diff --git a/mod/invitefriends/languages/en.php b/mod/invitefriends/languages/en.php
new file mode 100644
index 000000000..f31d79bd8
--- /dev/null
+++ b/mod/invitefriends/languages/en.php
@@ -0,0 +1,43 @@
+<?php
+
+/**
+ * Elgg invite language file
+ * 
+ * @package ElggInviteFriends
+ */
+
+$english = array(
+
+	'friends:invite' => 'Invite friends',
+	
+	'invitefriends:registration_disabled' => 'New user registration has been disabled on this site; you are unable to invite new users.',
+	
+	'invitefriends:introduction' => 'To invite friends to join you on this network, enter their email addresses below (one per line):',
+	'invitefriends:message' => 'Enter a message they will receive with your invitation:',
+	'invitefriends:subject' => 'Invitation to join %s',
+
+	'invitefriends:success' => 'Your friends were invited.',
+	'invitefriends:invitations_sent' => 'Invites sent: %s. There were the following problems:',
+	'invitefriends:email_error' => 'The following addresses are not valid: %s',
+	'invitefriends:already_members' => 'The following are already members: %s',
+	'invitefriends:noemails' => 'No email addresses were entered.',
+	
+	'invitefriends:message:default' => '
+Hi,
+
+I want to invite you to join my network here on %s.',
+
+	'invitefriends:email' => '
+You have been invited to join %s by %s. They included the following message:
+
+%s
+
+To join, click the following link:
+
+%s
+
+You will automatically add them as a friend when you create your account.',
+	
+	);
+					
+add_translation("en", $english);
diff --git a/mod/invitefriends/manifest.xml b/mod/invitefriends/manifest.xml
new file mode 100644
index 000000000..b36238a05
--- /dev/null
+++ b/mod/invitefriends/manifest.xml
@@ -0,0 +1,17 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<plugin_manifest xmlns="http://www.elgg.org/plugin_manifest/1.8">
+	<name>Invite Friends</name>
+	<author>Core developers</author>
+	<version>1.8</version>
+	<category>bundled</category>
+	<category>social</category>
+	<description>Invite friends via email invites.</description>
+	<website>http://www.elgg.org/</website>
+	<copyright>See COPYRIGHT.txt</copyright>
+	<license>GNU General Public License version 2</license>
+	<requires>
+		<type>elgg_release</type>
+		<version>1.8</version>
+	</requires>
+	<activate_on_install>true</activate_on_install>
+</plugin_manifest>
diff --git a/mod/invitefriends/start.php b/mod/invitefriends/start.php
new file mode 100644
index 000000000..368f6348a
--- /dev/null
+++ b/mod/invitefriends/start.php
@@ -0,0 +1,50 @@
+<?php
+/**
+ * Elgg invite friends
+ *
+ * @package ElggInviteFriends
+ */
+
+elgg_register_event_handler('init', 'system', 'invitefriends_init');
+
+function invitefriends_init() {
+	elgg_register_page_handler('invite', 'invitefriends_page_handler');
+
+	elgg_register_action('invitefriends/invite', elgg_get_plugins_path() . 'invitefriends/actions/invite.php');
+
+	if (elgg_is_logged_in()) {
+		$params = array(
+			'name' => 'invite',
+			'text' => elgg_echo('friends:invite'),
+			'href' => "invite",
+			'contexts' => array('friends'),
+		);
+		elgg_register_menu_item('page', $params);
+	}
+}
+
+/**
+ * Page handler function
+ * 
+ * @param array $page Page URL segments
+ * @return bool
+ */
+function invitefriends_page_handler($page) {
+	gatekeeper();
+
+	elgg_set_context('friends');
+	elgg_set_page_owner_guid(elgg_get_logged_in_user_guid());
+
+	$title = elgg_echo('friends:invite');
+
+	$body = elgg_view('invitefriends/form');
+
+	$params = array(
+		'content' => $body,
+		'title' => $title,
+	);
+	$body = elgg_view_layout('one_sidebar', $params);
+
+	echo elgg_view_page($title, $body);
+	return true;
+}
diff --git a/mod/invitefriends/views/default/forms/invitefriends/invite.php b/mod/invitefriends/views/default/forms/invitefriends/invite.php
new file mode 100644
index 000000000..0d7f5d9f2
--- /dev/null
+++ b/mod/invitefriends/views/default/forms/invitefriends/invite.php
@@ -0,0 +1,35 @@
+<?php
+
+/**
+ * Elgg invite form contents
+ *
+ * @package ElggInviteFriends
+ */
+
+if (elgg_get_config('allow_registration')) {
+	$site = elgg_get_site_entity();
+	$introduction = elgg_echo('invitefriends:introduction');
+	$message = elgg_echo('invitefriends:message');
+	$default = elgg_echo('invitefriends:message:default', array($site->name));
+
+	echo <<< HTML
+<div>
+	<label>
+		$introduction
+		<textarea class="elgg-input-textarea" name="emails" ></textarea>
+	</label>
+</div>
+<div>
+	<label>
+		$message
+		<textarea class="elgg-input-textarea" name="emailmessage" >$default</textarea>
+	</label>
+</div>
+HTML;
+
+	echo '<div class="elgg-foot">';
+	echo elgg_view('input/submit', array('value' => elgg_echo('send')));
+	echo '</div>';
+} else {
+	echo elgg_echo('invitefriends:registration_disabled');
+}
diff --git a/mod/invitefriends/views/default/invitefriends/form.php b/mod/invitefriends/views/default/invitefriends/form.php
new file mode 100644
index 000000000..badcf8759
--- /dev/null
+++ b/mod/invitefriends/views/default/invitefriends/form.php
@@ -0,0 +1,8 @@
+<?php
+/**
+ * Elgg invite form wrapper
+ *
+ * @package ElggInviteFriends
+ */
+
+echo elgg_view_form('invitefriends/invite');
diff --git a/mod/invitefriends/views/default/invitefriends/formitems.php b/mod/invitefriends/views/default/invitefriends/formitems.php
new file mode 100644
index 000000000..afdff4164
--- /dev/null
+++ b/mod/invitefriends/views/default/invitefriends/formitems.php
@@ -0,0 +1,4 @@
+<?php 
+
+elgg_deprecated_notice("invitefriends/formitems was moved to forms/invitefriends/invite", 1.8);
+echo elgg_view('forms/invitefriends/invite');
+\ No newline at end of file