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CRUD Angular + Spring demonstrating Has-Many relationship, with tests.

This API is to showcase, especially for beginners, what a basic CRUD API that's close to being Production-ready looks like.

• Java 21
• Spring Boot 3 (Spring 6)
• Maven
• JPA + Hibernate
• MySQL
• JUnit 5 + Mockito (back-end tests)
• Angular v19
• Angular Material
• Karma + Jasmine (front-end tests)

• Visual Studio Code
• Java Extensionslink
• Angular Extensionslink

• ✅ Java model class with validation
• ✅ JPA repository
• ✅ JPA Pagination
• ✅ MySQL database (you can use any database of your preference)
• ✅ Controller, Service, and Repository layers
• ✅ Has-Many relationships (Course-Lessons)
• ✅ Java 17 Records as DTO (Data Transfer Object)
• ✅ Hibernate / Jakarta Validation
• ✅ Unit tests for all layers (repository, service, controller)
• ✅ Test coverage for tests
• ✅ Spring Docs - Swagger (https://springdoc.org/v2/)

• Security (Authorization and Authentication)
• Caching
• Data Compression
• Throttling e Rate-limiting
• Profiling the app
• Test Containers
• Docker Build

• ✅ Angular Standalone components (Angular v16+)
• ✅ Angular Material components
• ✅ List of all courses with pagination
• ✅ Form to update/create courses with lessons (has-many - FormArray)
• ✅ View only screen
• ✅ TypedForms (Angular v14+)
• ✅ Presentational x Smart Components
• 🚧 Unit and Integration tests for components, services, pipes, guards

Main Page with Pagination

Form with One to Many (Course-Lessons)

View Page with YouTube Player

You need to have Java and Maven installed and configured locally.

Open thecrud-spring project in your favorite IDE as a Maven project and execute it as Spring Boot application.

You need to have Node.js / NPM installed locally.

1. Install all the required dependencies:

npm install

2. Execute the project:

npm run start

This command will run the Angular project with a proxy to the Java server, without requiring CORS.

Open your browser and accesshttp://localhost:4200 (Angular default port).

ng update

Then

ng update @angular/cli @angular/core @angular/cdk @angular/material @angular/youtube-player --force