From 558304ff62a648e604b03afe3372ef9566aea850 Mon Sep 17 00:00:00 2001
From: Cheng-Han, Wu
Date: Tue, 21 Jun 2016 21:42:03 +0800
Subject: Update to support new metadata: title, description, tags and
 google-analytics (GA) and refactor render publish slide response function

---
 lib/response.js | 50 ++++++++++++++++++++++++++++----------------------
 1 file changed, 28 insertions(+), 22 deletions(-)

(limited to 'lib/response.js')

diff --git a/lib/response.js b/lib/response.js
index 5d7fc0a1..133d7a37 100644
--- a/lib/response.js
+++ b/lib/response.js
@@ -21,7 +21,7 @@ var models = require("./models");
 var md = require('reveal.js/plugin/markdown/markdown');
 
 //reveal.js
-var opts = {
+var slideOptions = {
     template: fs.readFileSync(config.slidepath).toString(),
     theme: 'css/theme/black.css',
     highlightTheme: 'zenburn',
@@ -107,7 +107,7 @@ function responseHackMD(res, note) {
     var body = LZString.decompressFromBase64(note.content);
     var meta = null;
     try {
-        meta = metaMarked(body).meta;
+        meta = models.Note.parseMeta(metaMarked(body).meta);
     } catch(err) {
         //na
     }
@@ -121,7 +121,7 @@ function responseHackMD(res, note) {
     var compiled = ejs.compile(fs.readFileSync(template, 'utf8'), options);
     var html = compiled({
         url: config.serverurl,
-        title: title,
+        title: meta.title || title,
         useCDN: config.usecdn,
         facebook: config.facebook,
         twitter: config.twitter,
@@ -212,7 +212,7 @@ function showPublishNote(req, res, next) {
             var body = LZString.decompressFromBase64(note.content);
             var meta = null;
             try {
-                meta = metaMarked(body).meta;
+                meta = models.Note.parseMeta(metaMarked(body).meta);
             } catch(err) {
                 //na
             }
@@ -223,7 +223,8 @@ function showPublishNote(req, res, next) {
             title = models.Note.generateWebTitle(title);
             var origin = config.serverurl;
             var data = {
-                title: title,
+                title: meta.title || title,
+                description: meta.description,
                 viewcount: note.viewcount,
                 createtime: createtime,
                 updatetime: updatetime,
@@ -231,7 +232,8 @@ function showPublishNote(req, res, next) {
                 body: text,
                 useCDN: config.usecdn,
                 lastchangeuserprofile: note.lastchangeuser ? models.User.parseProfile(note.lastchangeuser.profile) : null,
-                robots: (meta && meta.robots) || false //default allow robots
+                robots: meta.robots || false, //default allow robots
+                GA: meta.GA
             };
             return renderPublish(data, res);
         }).catch(function (err) {
@@ -527,14 +529,28 @@ function showPublishSlide(req, res, next) {
             }
             var body = LZString.decompressFromBase64(note.content);
             try {
-                body = metaMarked(body).markdown;
+                var obj = metaMarked(body);
+                body = obj.markdown;
+                meta = models.Note.parseMeta(obj.meta);
             } catch(err) {
                 //na
             }
+            var text = S(body).escapeHTML().s;
             var title = models.Note.decodeTitle(note.title);
             title = models.Note.generateWebTitle(title);
-            var text = S(body).escapeHTML().s;
-            render(res, title, text);
+            var slides = md.slidify(text, slideOptions);
+            var origin = config.serverurl;
+            var data = {
+                url: origin,
+                title: meta.title || title,
+                description: meta.description,
+                theme: slideOptions.theme,
+                highlightTheme: slideOptions.highlightTheme,
+                slides: slides,
+                options: JSON.stringify(slideOptions.revealOptions, null, 2),
+                GA: meta.GA
+            };
+            return renderPublishSlide(data, res);
         }).catch(function (err) {
             logger.error(err);
             return response.errorInternalError(res);
@@ -542,24 +558,14 @@ function showPublishSlide(req, res, next) {
     });
 }
 
-//reveal.js render
-var render = function (res, title, markdown) {
-    var slides = md.slidify(markdown, opts);
-
+function renderPublishSlide(data, res) {
     var template = config.slidepath;
     var options = {
         cache: !config.debug,
         filename: template
     };
     var compiled = ejs.compile(fs.readFileSync(template, 'utf8'), options);
-    var html = compiled({
-        url: config.serverurl,
-        title: title,
-        theme: opts.theme,
-        highlightTheme: opts.highlightTheme,
-        slides: slides,
-        options: JSON.stringify(opts.revealOptions, null, 2)
-    });
+    var html = compiled(data);
     var buf = html;
     res.writeHead(200, {
         'Content-Type': 'text/html; charset=UTF-8',
@@ -567,6 +573,6 @@ var render = function (res, title, markdown) {
         'Content-Length': buf.length
     });
     res.end(buf);
-};
+}
 
 module.exports = response;
-- 
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