update note implemented

resources/edit.html

@@ -16,8 +16,9 @@
   <div class="hidden" id="dashed-line"></div>
   <div class="central-element helvetica" style="margin-bottom: 3em">
     <form action="/note" autocomplete="off" method="POST">
-      <input id="action" value="%METHOD%" type="hidden">
-      <input id="password" name="password" type="hidden">
+      <input id="action" name="action" value="%ACTION%" type="hidden" />
+      <input id="id" name="id" value="%ID%" type="hidden" />
+      <input id="password" name="password" type="hidden" />
       <input id="session" name="session" type="hidden" value="%SESSION%" />
       <input id="signature" name="signature" type="hidden" />
       <textarea id="note" name="note">%CONTENT%</textarea>

server.js

@@ -24,13 +24,25 @@ app.get('/new', function (req, res) {
 });
 
 app.post('/note', function (req, res) {
-  var body = req.body, session = body.session, note = body.note;
+  var body = req.body, 
+  session = body.session, 
+  note = body.note, 
+  password = md5(body.password);
+  var goToNote = note => res.redirect("/" + note.id);
   if (session.indexOf(getTimeStamp()) != 0)
     return res.status(400).send("Session expired");
   var expectedSignature = md5(session + note.replace(/[\n\r]/g, ""));
   if (expectedSignature != body.signature)
     return res.status(400).send("Signature mismatch");
-  storage.addNote(note, body.password).then(note => res.redirect("/" + note.id));
+    console.log(body)
+  if (body.action == "POST")
+    storage.addNote(note, password).then(goToNote);
+  else
+    storage.updateNote(body.id, password, note).then(note => {
+      CACHE.del(note.id);
+      goToNote(note);
+    },
+      error => res.status(403).send(error.message))
 });
 
 app.get("/:year/:month/:day/:title", function (req, res) {

src/page.js

@@ -11,11 +11,12 @@ var buildPage = (id, title, content) => pageTemplate
 module.exports.buildNote = note => buildPage(note.id, note.title, marked(note.text));
 
 module.exports.newNotePage = session => editTemplate
-  .replace("%METHOD%", "POST")
+  .replace("%ACTION%", "POST")
   .replace("%SESSION%", session)
   .replace("%CONTENT%", "Loading...");
 
 module.exports.editNotePage = (session, note) => editTemplate
-  .replace("%METHOD%", "UPDATE")
+  .replace("%ACTION%", "UPDATE")
   .replace("%SESSION%", session)
+  .replace("%ID%", note.id)
   .replace("%CONTENT%", note.text);

src/storage.js

@@ -47,4 +47,12 @@ module.exports.addNote = (note, password) => getFreeId().then(id => Note.create(
   id: id,
   text: note,
   password: password
-}));
+}));
+
+module.exports.updateNote = (id, password, text) => Note.findById(id).then(note => {
+  if (!note || note.password !== password) return new Promise((resolve, reject) => {
+    reject({ message: "Password is wrong" });
+  });
+  note.text = text;
+  return note.save();
+});