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Prerequisites ™  Node and npm are installed ™  MongoDB is installed and running ™  Love APIs and Beer 

Agenda ™  REST ™  Basic express application ™  Tooling ™  MongoDB, Mongoose and models ™  Create, read, update, & delete endpoints (CRUD) ™  Passport overview ™  Add User accounts ™  Build Auth controller ™  Lockdown CRUD endpoints 

REST – Representational State Transfer ™  Style of architecture for web services. ™  De facto web service design model. ™  Displaced other design models such as SOAP and WSDL due to its simpler style. 

RESTful Web Services A RESTful web service is a web service implemented using HTTP and the principles of REST. It is a collection of resources, with four defined aspects: ™  The base URI for the web service such as http://site.com/api ™  The content type of the data supported by the web service. This could be JSON, XML, or any other valid Internet media type ™  The set of operations supported by the web service such as GET, PUT, POST, or DELETE. ™  The API must be hypertext driven. 

CRUD ™ Create POST/cars HTTP/1.1 ™ Read GET /cars HTTP/1.1 GET /cars/tesla HTTP/1.1 ™ Update PUT /cars/tesla HTTP/1.1 ™ Delete DELETE /cars/ford HTTP/1.1 

Create the Server 

Demo time 

Tools ™  Nodemon ™  Postman 

Nodemon ™  Monitors for changes in source code and automatically restarts your server 

Postman ™  Postman is a powerful HTTP client to help test web services easily and efficiently. It lets you craft simple as well as complex HTTP requests quickly. 

MongoDB and Mongoose ™  Load the Mongoose package ™  Connect to MongoDB using Mongoose ™  Create our Beer model 

Demo time 

Accept POST & PUT data ™  Load the body-parser middleware ™  Use the body-parser middleware 

Add beer to our locker ™  Create a new Express route at /beers ™  Create a POST endpoint on new route ™  Create a Mongoose Beer model ™  Set Beer model data from POST request ™  Save the Beer model to MongoDB 

Party time, get all the beer! ™  Create a GET endpoint on /beers route ™  Use the Mongoose Beer model to get all beer 

Pace yourself with a beer ™  Create a new Express route at /beer/:beer_id ™  Create a GET endpoint on new route ™  Use the Mongoose Beer model to find the right beer 

Updating beer quantity ™  Create a PUT endpoint on /beer/:beer_id route ™  Use the Mongoose Beer model to find the right beer ™  Use the Mongoose Beer model to update the right beer 

I drank my last beer! ™  Create a DELETE endpoint on /beer/:beer_id route ™  Use the Mongoose Beer model to find the right beer ™  Use the Mongoose Beer model to remove the right beer 

Passport Official description: “Authentication middleware for Node.js. Extremely flexible and modular, Passport can be unobtrusively dropped in to any Express-based web application. A comprehensive set of strategies support authentication using a username and password, Facebook, Twitter, and more.” 

Passport Features ™  140+ authentication strategies ™  Single sign-on with OpenID and Oauth ™  Supports persistent sessions ™  Pick and choose required strategies ™  Create your own strategies 

User Model and Controller ™  Create the User model ™  Create the User controller ™  Route to our User controller endpoints 

Demo time 

Auth Controller ™  Create and use the BasicStrategy passport strategy ™  Update routes to use authentication 

Don’t touch my beer! ™  Update Beer model to define ownership ™  Update Beer controller to use ownership 

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