L05: Persistent data

This deals with storage and persistant data using Mongoose as a interface to store data in the MongoDB object database. We also deal with Sessions and Flash messages in the website.

This is around the M in MVC, the Model.

Presentations

Review this HTML presentation of Persistent Data and Storage.

View it as a lecture in swedish or english.

Swedish with Mats L (Spring 2020):

Lecture: Persistent Data and Storage (swe)

English with Johan L and Mats L (Autumn 2019). The first video deals with "DB, MongoDB, Mongoose" and the second video deals with "Sessions and Flash Messages".

Lecture: DB, MongoDB, Mongoose (en)

Lecture: Sessions and Flash Messages (en)

Read & Study

Read and study the following.

Check out the "MDN: Express web framework (Node.js/JavaScript)" with different chapters on how to work with Node.js and Express to build a website. In particular, the following chapter might be extra helpful.
- Express Tutorial Part 3: Using a Database (with Mongoose)
As a quick start for NPM package: Mongoose.
As a reference, Mongoose, read the docs.
As a reference, the MongoDB Documentation.