EmployeeController.java

package com.example.demo.controller;

import org.springframework.http.HttpStatus;
import org.springframework.http.ResponseEntity;
import org.springframework.web.bind.annotation.CrossOrigin;
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 com.example.demo.dto.EmployeeDto;
import com.example.demo.model.Employee;
import com.example.demo.service.EmployeeService;

import lombok.RequiredArgsConstructor;

import java.util.HashMap;
import java.util.List;
import java.util.Map;

@RequiredArgsConstructor
@RestController
@RequestMapping("/api/v1/")
public class EmployeeController {

	private final EmployeeService employeeService;

	// get all data
	@CrossOrigin(origins = "http://localhost:4200")
	@GetMapping("/employees")
	public List<Employee> getAllEmployees() {
		return employeeService.findAllEmployee();
	}

	// create
	@CrossOrigin(origins = "http://localhost:4200")
	@PostMapping("/employees")
	public Employee createEmployee(@RequestBody EmployeeDto employee)

	{
		return employeeService.addEmployee(employee);
	}

	// get data by id
	@CrossOrigin(origins = "http://localhost:4200")
	@GetMapping("/employees/{id}")
	public ResponseEntity<Employee> getByID(@PathVariable Long id) {
		return new ResponseEntity<>(employeeService.getEmployeeById(id), HttpStatus.OK);

	}

	// update data
	@CrossOrigin(origins = "http://localhost:4200")
	@PutMapping("/employees/{id}")
	public ResponseEntity<Employee> updateEmployeeByID(@PathVariable Long id,
			@RequestBody EmployeeDto employeeDetails) {
		return new ResponseEntity<>(employeeService.updateEmployee(id, employeeDetails), HttpStatus.OK);
	}

	@CrossOrigin(origins = "http://localhost:4200")
	@DeleteMapping("/employees/{id}")
	public ResponseEntity<Map<String, Boolean>> deleteEmployee(@PathVariable Long id) {
		employeeService.deleteEmployee(id);
		Map<String, Boolean> response = new HashMap<>();
		response.put("Deleted", Boolean.TRUE);
		return new ResponseEntity<>(response,HttpStatus.OK);

	}

}