XMPP daemon updates including help, sub and subsub commands, plus subscribe/unsubcribe logic broken out into standalone module for sharing

darcs-hash:20080816083422-f6e2c-fb8b4e0581719bd8c3f433e661ec9742e1b84cbc.gz

actions/subscribe.php

@@ -47,14 +47,45 @@ class SubscribeAction extends Action {
 
 		$other_nickname = $this->arg('subscribeto');
 
-		$result=subs_subscribe_user($user, $other_nickname);
-		if($result != true) {
-			common_user_error($result);
+		$other = User::staticGet('nickname', $other_nickname);
+
+		if (!$other) {
+			common_user_error(_('No such user.'));
 			return;
 		}
+
+		if ($user->isSubscribed($other)) {
+			common_user_error(_('Already subscribed!.'));
+			return;
+		}
+
+		if (!$user->subscribeTo($other)) {
+			$this->server_error(_('Could not subscribe.'));
+			return;
+		}
+
+		$this->notify($other, $user);
+
+		if ($other->autosubscribe && !$other->isSubscribed($user)) {
+			if (!$other->subscribeTo($user)) {
+				$this->server_error(_('Could not subscribe other to you.'));
+				return;
+			}
+			$this->notify($user, $other);
+		}
 		
 		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
+		# XXX: Whatever happens, do it in Twitter-like API, too
+		$this->notify_email($listenee, $listener);
+	}
+
+	function notify_email($listenee, $listener) {
+		mail_subscribe_notify($listenee, $listener);
+	}
 }

actions/unsubscribe.php

@@ -43,9 +43,27 @@ class UnsubscribeAction extends Action {
 		}
 
 		$other_nickname = $this->arg('unsubscribeto');
-		$result=subs_unsubscribe_user($user,$other_nickname);
-		if($result!=true) {
-			common_user_error($result);
+		$other = User::staticGet('nickname', $other_nickname);
+		if (!$other) {
+			common_user_error(_('No such user.'));
+			return;
+		}
+
+		if (!$user->isSubscribed($other)) {
+			common_server_error(_('Not subscribed!.'));
+		}
+
+		$sub = DB_DataObject::factory('subscription');
+
+		$sub->subscriber = $user->id;
+		$sub->subscribed = $other->id;
+
+		$sub->find(true);
+
+		// note we checked for existence above
+
+		if (!$sub->delete()) {
+			common_server_error(_('Couldn\'t delete subscription.'));
 			return;
 		}
 

lib/common.php

@@ -130,7 +130,6 @@ 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.'/lib/subs.php');
 
 function __autoload($class) {
 	if ($class == 'OAuthRequest') {

scripts/xmppdaemon.php

@@ -18,6 +18,35 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
+function xmppdaemon_error_handler($errno, $errstr, $errfile, $errline, $errcontext) {
+    switch ($errno) {
+     case E_USER_ERROR:
+		echo "ERROR: [$errno] $errstr ($errfile:$errline)\n";
+		echo "  Fatal error on line $errline in file $errfile";
+		echo ", PHP " . PHP_VERSION . " (" . PHP_OS . ")\n";
+		echo "Aborting...\n";
+		exit(1);
+		break;
+
+	 case E_USER_WARNING:
+		echo "WARNING [$errno] $errstr ($errfile:$errline)\n";
+		break;
+
+     case E_USER_NOTICE:
+		echo "NOTICE [$errno] $errstr ($errfile:$errline)\n";
+		break;
+
+     default:
+		echo "Unknown error type: [$errno] $errstr ($errfile:$errline)\n";
+		break;
+    }
+
+    /* Don't execute PHP internal error handler */
+    return true;
+}
+
+set_error_handler('xmppdaemon_error_handler');
+
 # Abort if called from a web server
 if (isset($_SERVER) && array_key_exists('REQUEST_METHOD', $_SERVER)) {
 	print "This script must be run from the command line\n";
@@ -206,49 +235,15 @@ class XMPPDaemon extends Daemon {
 
 	function handle_command($user, $body) {
 		# XXX: localise
-		$p=explode(' ',$body);
-		if(count($p)>2)
-			return false;
-		switch($p[0]) {
-		 case 'help':
-		 	if(count($p)!=1)
-		 		return false;
-		 	$this->from_site($user->jabber, "Commands:\n on     - turn on notifications\n off    - turn off notifications\n help   - show this help \n sub - subscribe to user\n unsub - unsubscribe from user");
-		 	return true;
+		switch(trim($body)) {
 		 case 'on':
-		 	if(count($p)!=1)
-		 		return false;
 			$this->set_notify($user, true);
 			$this->from_site($user->jabber, 'notifications on');
 			return true;
 		 case 'off':
-		 	if(count($p)!=1)
-		 		return false;
 			$this->set_notify($user, false);
 			$this->from_site($user->jabber, 'notifications off');
 			return true;
-		 case 'sub':
-		 	if(count($p)==1) {
-		 		$this->from_site($user->jabber, 'Specify the name of the user to subscribe to');
-		 		return true;
-		 	}
-		 	$result=subs_subscribe_user($user, $p[1]);
-		 	if($result=='true')
-		 		$this->from_site($user->jabber, 'Subscribed to ' . $p[1]);
-		 	else
-		 		$this->from_site($user->jabber, $result);
-		 	return true;
-		 case 'unsub':
-		 	if(count($p)==1) {
-		 		$this->from_site($user->jabber, 'Specify the name of the user to unsubscribe from');
-		 		return true;
-		 	}
-		 	$result=subs_unsubscribe_user($user, $p[1]);
-		 	if($result=='true')
-		 		$this->from_site($user->jabber, 'Unsubscribed from ' . $p[1]);
-		 	else
-		 		$this->from_site($user->jabber, $result);
-		 	return true;
 		 default:
 			return false;
 		}
@@ -258,7 +253,7 @@ class XMPPDaemon extends Daemon {
 		$orig = clone($user);
 		$user->jabbernotify = $notify;
 		$result = $user->update($orig);
-		if (!$result) {
+		if (!$id) {
 			$last_error = &PEAR::getStaticProperty('DB_DataObject','lastError');
 			$this->log(LOG_ERR,
 					   'Could not set notify flag to ' . $notify .