controller

package com.clientbookserver.controller;

import com.clientbookserver.model.Client;
import com.clientbookserver.service.ClientService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.http.MediaType;
import org.springframework.web.bind.annotation.*;

import java.util.List;

@RestController
public class ClientRestController {
    @Autowired
    ClientService clientService;

    @GetMapping(value = "/clients", produces = MediaType.APPLICATION_JSON_VALUE)
    public List<Client> getAllClients() {
        return clientService.findAll();
    }

    @PostMapping(value = "/clients")
    public Client saveClient(@RequestBody Client client) {
        return clientService.save(new Client(client.getFirstName(), client.getLastName()));
    }

    @GetMapping(value = "/clients/{lastName}", produces = MediaType.APPLICATION_JSON_VALUE)
    public List<Client> findClientByLastName(@PathVariable String lastName) {
        return clientService.findByLastName(lastName);
    }

    @DeleteMapping(value = "/clients/{id}")
    public void deleteClient(@PathVariable Integer id) {
        clientService.delete(id);
    }
}