CustomerController.java

package com.booleanuk.api.cinema.customers;

import java.time.LocalDateTime;
import java.util.List;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.http.HttpStatus;
import org.springframework.http.ResponseEntity;
import org.springframework.web.bind.annotation.DeleteMapping;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.PutMapping;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.server.ResponseStatusException;

@RestController
@RequestMapping("customers")
public class CustomerController {
    @Autowired
    private CustomerRepository customerRepository;

    @GetMapping
    public ResponseEntity<List<Customer>> getAllCustomers() {
        return ResponseEntity.ok(customerRepository.findAll());
    }

    @PostMapping
    public ResponseEntity<Customer> addCustomer(@RequestBody Customer customer) {
        customer.setCreatedAt(LocalDateTime.now().toString());
        customer.setUpdatedAt(LocalDateTime.now().toString());
        return new ResponseEntity<Customer>(customerRepository.save(customer), HttpStatus.CREATED);
    }

    @PutMapping("{id}")
    public ResponseEntity<Customer> updateCustomer(@PathVariable int id, @RequestBody Customer customer) {
        Customer customerToUpdate = customerRepository.findById(id).orElseThrow(
                () -> new ResponseStatusException(HttpStatus.NOT_FOUND, "Could not find customer with this id"));
        customerToUpdate.setName(customer.getName());
        customerToUpdate.setEmail(customer.getEmail());
        customerToUpdate.setPhone(customer.getPhone());
        customerToUpdate.setUpdatedAt(LocalDateTime.now().toString());

        return new ResponseEntity<Customer>(customerRepository.save(customerToUpdate), HttpStatus.CREATED);
    }

    @DeleteMapping("{id}")
    public ResponseEntity<Customer> deleteCustomer(@PathVariable int id) {
        Customer customerToDelete = customerRepository.findById(id).orElseThrow(
                () -> new ResponseStatusException(HttpStatus.NOT_FOUND, "Could not find customer with this id"));
        customerRepository.delete(customerToDelete);

        return ResponseEntity.ok(customerToDelete);
    }
}