Update README.md

README.md

@@ -1,4 +1,6 @@
 [![Codacy Badge](https://api.codacy.com/project/badge/Grade/a07897bbee9a4866a9f9d2b26ba9c652)](https://www.codacy.com/manual/Codacy-ACME/nodeproject?utm_source=github.com&utm_medium=referral&utm_content=codacy-acme/nodeproject&utm_campaign=Badge_Grade)
 [![Codacy Badge](https://api.codacy.com/project/badge/Coverage/a07897bbee9a4866a9f9d2b26ba9c652)](https://www.codacy.com/manual/Codacy-ACME/nodeproject?utm_source=github.com&utm_medium=referral&utm_content=codacy-acme/nodeproject&utm_campaign=Badge_Coverage)
 # nodeproject
+### this is an issue
+######## orly?!
 ## the description of this project

src/server/data/memo-dao.js

@@ -0,0 +1,39 @@
+/* The MemosDAO must be constructed with a connected database object */
+function MemosDAO(db) {
+
+    "use strict";
+
+    /* If this constructor is called without the "new" operator, "this" points
+     * to the global object. Log a warning and call it correctly. */
+    if (false === (this instanceof MemosDAO)) {
+        console.log("Warning: MemosDAO constructor called without 'new' operator");
+        return new MemosDAO(db);
+    }
+
+    const memosCol = db.collection("memos");
+
+    this.insert = (memo, callback) => {
+
+        // Create allocations document
+        const memos = {
+            memo,
+            timestamp: new Date()
+        };
+
+        memosCol.insert(memos, (err, result) => !err ? callback(null, result) : callback(err, null));
+    };
+
+    this.getAllMemos = (callback) => {
+
+        memosCol.find({}).sort({
+            timestamp: -1
+        }).toArray((err, memos) => {
+            if (err) return callback(err, null);
+            if (!memos) return callback("ERROR: No memos found", null);
+            callback(null, memos);
+        });
+    };
+
+}
+
+module.exports = { MemosDAO };