Adds 'emailer_send_prepare' and 'emailer_send' hooks

Adds relative documentation in doc/Plugins

doc/Plugins.md

@@ -196,6 +196,24 @@ Current hooks:
         'email' => email to look up the avatar for
         'url' => the (string) generated URL of the avatar
 
+**'emailer_send_prepare'** - called from Emailer::send() before building the mime message
+    $b is (array) , params to Emailer::send()
+     'fromName' => name of the sender
+     'fromEmail' => email fo the sender
+     'replyTo' => replyTo address to direct responses
+     'toEmail' => destination email address
+     'messageSubject' => subject of the message
+     'htmlVersion' => html version of the message
+     'textVersion' => text only version of the message
+     'additionalMailHeader' => additions to the smtp mail header
+
+**'emailer_send'** - called before calling PHP's mail()
+    $b is (array) , params to mail()
+     'to'
+     'subject'
+     'body'
+     'headers'
+
 
 A complete list of all hook callbacks with file locations (generated 14-Feb-2012): Please see the source for details of any hooks not documented above.
 

include/Emailer.php

@@ -17,6 +17,8 @@ class Emailer {
 	 */
 	static public function send($params) {
 
+		call_hooks('emailer_send_prepare', $params);
+
 		$fromName = email_header_encode(html_entity_decode($params['fromName'],ENT_QUOTES,'UTF-8'),'UTF-8');
 		$messageSubject = email_header_encode(html_entity_decode($params['messageSubject'],ENT_QUOTES,'UTF-8'),'UTF-8');
 
@@ -49,11 +51,18 @@ class Emailer {
 			"--" . $mimeBoundary . "--\n";					// message ending
 
 		// send the message
+		$hookdata = array(
+			'to' => $params['toEmail'],
+			'subject' => $messageSubject,
+			'body' => $multipartMessageBody,
+			'headers' => $messageHeader
+		);
+		call_hooks("emailer_send", $hookdata);
 		$res = mail(
-			$params['toEmail'],	 									// send to address
-			$messageSubject,								// subject
-			$multipartMessageBody,	 						// message body
-			$messageHeader									// message headers
+			$hookdata['to'],							// send to address
+			$hookdata['subject'],						// subject
+			$hookdata['body'], 	 						// message body
+			$hookdata['headers'],						// message headers
 		);
 		logger("header " . 'To: ' . $params['toEmail'] . "\n" . $messageHeader, LOGGER_DEBUG);
 		logger("return value " . (($res)?"true":"false"), LOGGER_DEBUG);