DevSMike/java-filmorate

API for a social network where users can rate movies, add each other as friends, watch top movies. The data is saved to the database.

API Filmorate

Description

Filmorate is a social network that helps users choose movies based on what their friends watch and the ratings they give.

Features

Films

• Create a film
• Update a film
• Get a film by ID
• Like a film
• Unlike a film
• Get popular films
• Delete a film

Users

• Add a user
• Update a user
• Get all users
• Get a user by ID
• Add a user as a friend
• Remove a user from friends
• Get user's friends
• Get common friends with a user
• Delete a user

Genres

• Get all genres
• Get a genre by ID

Rating

• Get an age rating by ID
• Get all age ratings

Testing

The functionality has been tested using JUnit 5 in the tests package.

Installation

To use this API, follow these steps:

1. Clone the repository: git clone https://github.com/DevSMike/java-filmorate.git
2. Navigate to the project directory: cd filmorate-api
3. Install any required dependencies: npm install

ER - diagram of the Filmorate project database:

An example of solving the problem of finding the most highly rated movie by compiling an SQL query

SELECT name
FROM film
WHERE film_id = (  SELECT film_id 
                   FROM film_likes
                   GROUP BY film_id
                   ORDER BY COUNT(user_id) desc
                   LIMIT 1);

Development Stack

The project is developed using the following technologies:

• Java 11
• Spring Boot
• JDBC
• Maven
• Lambok
• JUnit
• PostgreSQL

Contributing

Contributions to this project are welcome. To contribute, follow these steps:

1. Fork the repository.
2. Create a new branch: git checkout -b my-branch
3. Make your changes and commit them: git commit -m 'Add some feature'
4. Push to the branch: git push origin my-branch
5. Submit a pull request.