content: package net.alanbinu.springboot2.springboot2jpacrudexample.controller;
  
  import java.util.HashMap;
  import java.util.List;
  import java.util.Map;
  
  import javax.validation.Valid;
  
  import org.springframework.beans.factory.annotation.Autowired;
  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 net.alanbinu.springboot2.springboot2jpacrudexample.exception.ResourceNotFoundException;
  import net.alanbinu.springboot2.springboot2jpacrudexample.model.Employee;
  import net.alanbinu.springboot2.springboot2jpacrudexample.repository.EmployeeRepository;
  
  @RestController
  @RequestMapping("/api/v1")
  public class EmployeeController {
  	@Autowired
  	private EmployeeRepository employeeRepository;
  
  	@GetMapping("/employees")
  	public List<Employee> getAllEmployees() {
  		return employeeRepository.findAll();
  	}
  
  	@GetMapping("/employees/{id}")
  	public ResponseEntity<Employee> getEmployeeById(@PathVariable(value = "id") Long employeeId)
  			throws ResourceNotFoundException {
  		Employee employee = employeeRepository.findById(employeeId)
  				.orElseThrow(() -> new ResourceNotFoundException("Employee not found for this id :: " + employeeId));
  		return ResponseEntity.ok().body(employee);
  	}
  
  	@PostMapping("/employees")
  	public Employee createEmployee(@Valid @RequestBody Employee employee) {
  		return employeeRepository.save(employee);
  	}
  
  	@PutMapping("/employees/{id}")
  	public ResponseEntity<Employee> updateEmployee(@PathVariable(value = "id") Long employeeId,
  			@Valid @RequestBody Employee employeeDetails) throws ResourceNotFoundException {
  		Employee employee = employeeRepository.findById(employeeId)
  				.orElseThrow(() -> new ResourceNotFoundException("Employee not found for this id :: " + employeeId));
  
  		employee.setEmailId(employeeDetails.getEmailId());
  		employee.setLastName(employeeDetails.getLastName());
  		employee.setFirstName(employeeDetails.getFirstName());
  		final Employee updatedEmployee = employeeRepository.save(employee);
  		return ResponseEntity.ok(updatedEmployee);
  	}
  
  	@DeleteMapping("/employees/{id}")
  	public Map<String, Boolean> deleteEmployee(@PathVariable(value = "id") Long employeeId)
  			throws ResourceNotFoundException {
  		Employee employee = employeeRepository.findById(employeeId)
  				.orElseThrow(() -> new ResourceNotFoundException("Employee not found for this id :: " + employeeId));
  
  		employeeRepository.delete(employee);
  		Map<String, Boolean> response = new HashMap<>();
  		response.put("deleted", Boolean.TRUE);
  		return response;
  	}
  }
  