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Building your own API with Rails

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Getting Started

Introduction to the Course The Marketplace Application Initializing the App

The API

API Structure Routes Constraints and Namespaces Versioning the API Quiz Yourself: The API

User Model

Generating the User Model Migration File Validating the User Model Unit Tests Password Hash Build Endpoints Show Users Create Users Update Users Destroy Users Test Our Resources with curl Quiz Yourself: User Model

Authenticating the Users

Stateless Session JWT Presentation Setting Up the Authentication Token Token’s Controller Create Tokens Logged User Authentication with the Token Quiz Yourself: Authenticating the Users

User's Products

Generating the Product Model Migration File Validating the Product Model Unit Tests Product's Endpoints Show Products List Products Create Products Update Products Destroy Products Feed the Database Quiz Yourself: Product Model

Building JSON

API Output Presentation of JSON:API Serialize User Serialize Product Serialize Associations Theory of the Injection of Relationships Application of the Injection of Relationships Retrieve User’s Products Search for Products Search Engine Quiz Yourself: Building JSON

Placing Orders

The Order Model Validating the Order Model The Placement Model Build Endpoints List Orders Show Orders Create Orders Send an Order Confirmation Email Quiz Yourself: Order and Placement Model

Improving Orders

Decrementing Product Quantity Add quantity to the Placement Model Extending the Placement Model Validate Quantity of Products Updating the Total Quiz Yourself: Improve Order Placement

Optimizations

Pagination Paginate Products List Paginate Orders List Refactoring Pagination API Caching N+1 Queries Prevention of N + 1 Requests Activation of CORS Quiz Yourself: Optimization Techniques

Wrap up

Test the Application

Appendix

Setting Up a Development Environment

Test the Application

Let's test our marketplace application.

We'll cover the following

Create a user
Request token
Seller: Add a product
Buyer: Place an order

In this lesson, we will test the very basic functions of the marketplace application. We haven’t created any frontend for our application, so we will be using the curl command to test the application using a console.

Two types of users will be using the application:

Sellers
Buyers

Test drive

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