From 024dc6c09817da701cff275a29d41ae2d4d777e9 Mon Sep 17 00:00:00 2001
From: Evan Prodromou <evan@prodromou.name>
Date: Sat, 14 Jun 2008 23:02:02 -0400
Subject: [PATCH] email notification on new subscriptions

darcs-hash:20080615030202-84dde-ebed7919c227ce280dc818f301e15001eb8b5926.gz
---
 actions/subscribe.php | 37 ++++++++++++++++++++++++++++
 classes/Profile.php   |  4 +++
 lib/common.php        |  7 +++++-
 lib/mail.php          | 57 +++++++++++++++++++++++++++++++++++++++++++
 4 files changed, 104 insertions(+), 1 deletion(-)
 create mode 100644 lib/mail.php

diff --git a/actions/subscribe.php b/actions/subscribe.php
index 522c315935..9a1d43fa5d 100644
--- a/actions/subscribe.php
+++ b/actions/subscribe.php
@@ -55,7 +55,44 @@ class SubscribeAction extends Action {
 			return;
 		}
 
+		$this->notify($other, $user);
+
 		common_redirect(common_local_url('subscriptions', array('nickname' =>
 																$user->nickname)));
 	}
+	
+	function notify($listenee, $listener) {
+		# XXX: add other notifications (Jabber, SMS) here
+		# XXX: queue this and handle it offline
+		$this->notify_email($listenee, $listener);
+	}
+	
+	function notify_email($listenee, $listener) {
+		if ($listenee->email) {
+			global $config;
+			$profile = $listenee->getProfile();
+			$other = $listener->getProfile();
+			$name = $profile->getBestName();
+			$other_name = $other->getBestName();
+			$recipients = $listenee->email;
+			$headers['From'] = mail_notify_from();
+			$headers['To'] = $name . ' <' . $listenee->email . '>';
+			$headers['Subject'] = $other_name . _t(' is now listening to your notices on ') . $config['site']['name'];
+
+			$body = 
+			  ($other->fullname) ? 
+			  ($other->fullname . ' (' . $other->nickname . ')') : $other->nickname;
+
+			$body .= _t(' is now listening to your notices on ') . $config['site']['name'] . '.';
+			$body .= "\n\n";
+			$body .= "\t".$other->profileurl;
+			$body .= "\n\n";
+			$body .= _t('Faithfully yours, ');
+			$body .= "\n";
+			$body .= $config['site']['name'];
+			$body .= "\n";
+
+			mail_send($recipients, $headers, $body);
+		}
+	}
 }
\ No newline at end of file
diff --git a/classes/Profile.php b/classes/Profile.php
index b7bd2a2d92..5a45d43979 100644
--- a/classes/Profile.php
+++ b/classes/Profile.php
@@ -133,4 +133,8 @@ class Profile extends DB_DataObject
 		}
 		return true;
 	}
+	
+	function getBestName() {
+		return ($this->fullname) ? $this->fullname : $this->nickname;
+	}
 }
diff --git a/lib/common.php b/lib/common.php
index 8050476e74..34c024ece0 100644
--- a/lib/common.php
+++ b/lib/common.php
@@ -51,7 +51,11 @@ $config =
 		'license' =>
 		array('url' => 'http://creativecommons.org/licenses/by/3.0/',
 			  'title' => 'Creative Commons Attribution 3.0',
-			  'image' => 'http://i.creativecommons.org/l/by/3.0/88x31.png'));
+			  'image' => 'http://i.creativecommons.org/l/by/3.0/88x31.png'),
+		'mail' =>
+		array('backend' => 'mail',
+			  'params' => NULL)
+		);
 
 $config['db'] = &PEAR::getStaticProperty('DB_DataObject','options');
 
@@ -68,6 +72,7 @@ require_once(INSTALLDIR.'/config.php');
 require_once(INSTALLDIR.'/lib/util.php');
 require_once(INSTALLDIR.'/lib/action.php');
 require_once(INSTALLDIR.'/lib/theme.php');
+require_once(INSTALLDIR.'/lib/mail.php');
 
 require_once(INSTALLDIR.'/classes/Avatar.php');
 require_once(INSTALLDIR.'/classes/Notice.php');
diff --git a/lib/mail.php b/lib/mail.php
new file mode 100644
index 0000000000..6656964abc
--- /dev/null
+++ b/lib/mail.php
@@ -0,0 +1,57 @@
+<?php
+/*
+ * Laconica - a distributed open-source microblogging tool
+ * Copyright (C) 2008, Controlez-Vous, Inc.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+if (!defined('LACONICA')) { exit(1); }
+
+require_once('Mail.php');
+
+function mail_backend() {
+	static $backend = NULL; 
+	
+	if (!$backend) {
+		global $config;
+		$backend = Mail::factory($config['mail']['backend'],
+								 ($config['mail']['params']) ? $config['mail']['params'] : array());
+		if (PEAR::isError($backend)) {
+			common_server_error($backend->getMessage(), 500);
+		}
+	}
+	return $backend;
+}
+
+# XXX: use Mail_Queue... maybe
+
+function mail_send($recipients, $headers, $body) {
+	$backend = mail_backend();
+	assert($backend); # throws an error if it's bad
+	$sent = $backend->send($recipients, $headers, $body);
+	if (PEAR::isError($sent)) {
+		common_server_error($sent->getMessage(), 500);
+	}
+}
+
+function mail_notify_from() {
+	global $config;
+	if ($config['mail']['notifyfrom']) {
+		return $config['mail']['notifyfrom'];
+	} else {
+		return 'Do Not Reply <nobody@'.$config['site']['server'].'>';
+	}
+}
+ 
\ No newline at end of file