updated site upload logic so that site logo is resized for email header, implemented site logo in email header

src/controllers/admin/uploads.js

@@ -146,6 +146,22 @@ function uploadImage(filename, folder, uploadedFile, req, res, next) {
 				file.saveFileToLocal(filename, folder, uploadedFile.path, next);
 			}
 		},
+		function (imageData, next) {
+			// Post-processing for site-logo
+			if (path.basename(filename, path.extname(filename)) === 'site-logo' && folder === 'system') {
+				var uploadPath = path.join(nconf.get('upload_path'), folder, 'site-logo-x50.png');
+				image.resizeImage({
+					path: uploadedFile.path,
+					target: uploadPath,
+					extension: 'png',
+					height: 50,
+				}, function (err) {
+					next(err, imageData);
+				});
+			} else {
+				setImmediate(next, null, imageData);
+			}
+		},
 	], function (err, image) {
 		file.delete(uploadedFile.path);
 		if (err) {

src/emailer.js

@@ -14,6 +14,7 @@ var User = require('./user');
 var Plugins = require('./plugins');
 var meta = require('./meta');
 var translator = require('./translator');
+var pubsub = require('./pubsub');
 
 var transports = {
 	sendmail: nodemailer.createTransport(sendmailTransport()),
@@ -33,7 +34,11 @@ Emailer.registerApp = function (expressApp) {
 	Emailer._defaultPayload = {
 		url: nconf.get('url'),
 		site_title: meta.config.title || 'NodeBB',
-		'brand:logo': nconf.get('url') + meta.config['brand:logo'],
+		logo: {
+			src: nconf.get('url') + meta.config['brand:logo'].replace('.png', '-x50.png'),
+			height: meta.config['brand:emailLogo:height'],
+			width: meta.config['brand:emailLogo:width'],
+		},
 	};
 
 	// Enable Gmail transport if enabled in ACP
@@ -52,6 +57,14 @@ Emailer.registerApp = function (expressApp) {
 		fallbackTransport = transports.sendmail;
 	}
 
+	// Update default payload if new logo is uploaded
+	pubsub.on('config:update', function (config) {
+		if (config) {
+			Emailer._defaultPayload.logo.height = config['brand:emailLogo:height'];
+			Emailer._defaultPayload.logo.width = config['brand:emailLogo:width'];
+		}
+	});
+
 	return Emailer;
 };
 

src/meta/configs.js

@@ -3,6 +3,7 @@
 
 var async = require('async');
 var nconf = require('nconf');
+var path = require('path');
 
 var db = require('../database');
 var pubsub = require('../pubsub');
@@ -80,13 +81,28 @@ Configs.setMultiple = function (data, callback) {
 };
 
 function processConfig(data, callback) {
-	if (data.customCSS) {
-		return saveRenderedCss(data, callback);
+	async.parallel([
+		async.apply(saveRenderedCss, data),
+		function (next) {
+			var image = require('../image');
+			if (data['brand:logo']) {
+				image.size(path.join(nconf.get('upload_path'), 'system', 'site-logo-x50.png'), function (err, size) {
+					data['brand:emailLogo:height'] = size.height;
+					data['brand:emailLogo:width'] = size.width;
+					next(err);
+				});
 			}
-	setImmediate(callback);
+		},
+	], function (err) {
+		callback(err);
+	});
 }
 
 function saveRenderedCss(data, callback) {
+	if (!data.customCSS) {
+		return setImmediate(callback);
+	}
+
 	var less = require('less');
 	async.waterfall([
 		function (next) {

src/views/emails/partials/header.tpl

@@ -172,7 +172,7 @@
 			<table role="presentation" cellspacing="0" cellpadding="0" border="0" align="center" width="100%" style="max-width: 600px;">
 				<tr>
 					<td style="padding: 20px 0; text-align: center">
-						<img src="{url}/assets/images/emails/nodebb.png" height="49" width="192" alt="{site_title}" border="0" style="height: 49px; width: 192px; background: #222222; font-family: sans-serif; font-size: 15px; line-height: 20px; color: #555555;">
+						<img src="{logo.src}" height="{logo.height}" width="{logo.width}" alt="{site_title}" border="0" style="height: 49px; width: 192px; background: #222222; font-family: sans-serif; font-size: 15px; line-height: 20px; color: #555555;">
 					</td>
 				</tr>
 			</table>