Update to support new metadata: title, description, tags and google-analytics (GA) and refactor render publish slide response function

1 files changed, 32 insertions, 6 deletions

diff --git a/lib/models/note.js b/lib/models/note.js
index a442f889..db0493b2 100644
--- a/lib/models/note.js
+++ b/lib/models/note.js
@@ -5,6 +5,7 @@ var fs = require('fs');
 var path = require('path');
 var LZString = require('lz-string');
 var marked = require('marked');
+var metaMarked = require('meta-marked');
 var cheerio = require('cheerio');
 var shortId = require('shortid');
 var Sequelize = require("sequelize");
@@ -187,13 +188,24 @@ module.exports = function (sequelize, DataTypes) {
                 });
             },
             parseNoteTitle: function (body) {
-                var $ = cheerio.load(marked(body));
-                var h1s = $("h1");
                 var title = "";
-                if (h1s.length > 0 && h1s.first().text().split('\n').length == 1)
-                    title = h1s.first().text();
-                else
-                    title = "Untitled";
+                var meta = null;
+                try {
+                    var obj = metaMarked(body);
+                    body = obj.markdown;
+                    meta = obj.meta;
+                } catch (err) {
+                    //na
+                }
+                if (meta && meta.title && (typeof meta.title == "string" || typeof meta.title == "number")) {
+                    title = meta.title;
+                } else {
+                    var $ = cheerio.load(marked(body));
+                    var h1s = $("h1");
+                    if (h1s.length > 0 && h1s.first().text().split('\n').length == 1)
+                        title = h1s.first().text();
+                }
+                if (!title) title = "Untitled";
                 return title;
             },
             decodeTitle: function (title) {
@@ -205,6 +217,20 @@ module.exports = function (sequelize, DataTypes) {
             generateWebTitle: function (title) {
                 title = !title || title == "Untitled" ? "HackMD - Collaborative markdown notes" : title + " - HackMD";
                 return title;
+            },
+            parseMeta: function (meta) {
+                var _meta = {};
+                if (meta) {
+                    if (meta.title && (typeof meta.title == "string" || typeof meta.title == "number"))
+                        _meta.title = meta.title;
+                    if (meta.description && (typeof meta.description == "string" || typeof meta.description == "number"))
+                        _meta.description = meta.description;
+                    if (meta.robots && (typeof meta.robots == "string" || typeof meta.robots == "number"))
+                        _meta.robots = meta.robots;
+                    if (meta.GA && (typeof meta.GA == "string" || typeof meta.GA == "number"))
+                        _meta.GA = meta.GA;
+                }
+                return _meta; 
             }
         },
         hooks: {