From f51b7370f030c5cd1235fa7a23514a7e1ccef2dd Mon Sep 17 00:00:00 2001
From: xnum
Date: Mon, 23 Nov 2015 20:38:26 +0800
Subject: Add Slide Mode using reveal.js and some part of reveal-md

---
 lib/response.js | 83 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 83 insertions(+)

(limited to 'lib/response.js')

diff --git a/lib/response.js b/lib/response.js
index 486a1f76..6503e0a8 100644
--- a/lib/response.js
+++ b/lib/response.js
@@ -16,6 +16,23 @@ var config = require("../config.js");
 var db = require("./db.js");
 var Note = require("./note.js");
 
+//slides
+var md = require('reveal.js/plugin/markdown/markdown');
+var Mustache = require('mustache');
+
+var opts = {
+    userBasePath: process.cwd(),
+    revealBasePath: path.resolve(require.resolve('reveal.js'), '..', '..'),
+    template: fs.readFileSync(path.join('.', 'templates', 'reveal.html')).toString(),
+    templateListing: fs.readFileSync(path.join('.', 'templates', 'listing.html')).toString(),
+    theme: 'css/theme/league.css',
+    highlightTheme: 'zenburn',
+    separator: '^(\r\n?|\n)---(\r\n?|\n)$',
+    verticalSeparator: '^(\r\n?|\n)----(\r\n?|\n)$',
+    revealOptions: {}
+};
+
+
 //public
 var response = {
     errorForbidden: function (res) {
@@ -34,6 +51,7 @@ var response = {
     showFeatures: showFeatures,
     showNote: showNote,
     showPublishNote: showPublishNote,
+    showPublishSlide: showPublishSlide,
 	showIndex: showIndex,
     noteActions: noteActions,
     publishNoteActions: publishNoteActions
@@ -231,6 +249,26 @@ function actionPublish(req, res, noteId) {
     });
 }
 
+function actionSlide(req, res, noteId) {
+    db.readFromDB(noteId, function (err, data) {
+        if (err) {
+            responseError(res, "404", "Not Found", "oops.");
+            return;
+        }
+        var owner = data.rows[0].owner;
+        var permission = "freely";
+        if (owner && owner != "null") {
+            permission = "editable";
+        }
+        Note.findOrNewNote(noteId, permission, function (err, note) {
+            if (err) {
+                responseError(res, "404", "Not Found", "oops.");
+                return;
+            }
+            res.redirect("/p/" + note.shortid);
+        });
+    });
+}
 //pretty api is deprecated
 function actionPretty(req, res, noteId) {
     db.readFromDB(noteId, function (err, data) {
@@ -327,6 +365,9 @@ function noteActions(req, res, next) {
     case "pretty": //pretty deprecated
         actionPublish(req, res, noteId);
         break;
+		case "slide":
+				actionSlide(req, res, noteId);
+				break;
     case "download":
         actionDownload(req, res, noteId);
         break;
@@ -363,4 +404,46 @@ function publishNoteActions(req, res, next) {
     }
 }
 
+
+function showPublishSlide(req, res, next) {
+    var shortid = req.params.shortid;
+    if (shortId.isValid(shortid)) {
+        Note.findNote(shortid, function (err, note) {
+            if (err || !note) {
+                responseError(res, "404", "Not Found", "oops.");
+                return;
+            }
+            //increase note viewcount
+            Note.increaseViewCount(note, function (err, note) {
+                if (err || !note) {
+                    responseError(res, "404", "Not Found", "oops.");
+                    return;
+                }
+                db.readFromDB(note.id, function (err, data) {
+                    if (err) {
+                        responseError(res, "404", "Not Found", "oops.");
+                        return;
+                    }
+                    var body = LZString.decompressFromBase64(data.rows[0].content);
+                    var text = S(body).escapeHTML().s;
+										render(res, text);
+                });
+            });
+        });
+    } else {
+        responseError(res, "404", "Not Found", "oops.");
+    }
+}
+var render = function(res, markdown) {
+	    var slides = md.slidify(markdown, opts);
+
+			    res.end(Mustache.to_html(opts.template, {
+						        theme: opts.theme,
+						        highlightTheme: opts.highlighTheme,
+						        slides: slides,
+										options: JSON.stringify(opts.revealOptions, null, 2)
+						    }));
+};
+
+
 module.exports = response;
-- 
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