Booking creation added

src/main/java/com/example/nto/controller/BookingController.java

@@ -3,7 +3,6 @@ package com.example.nto.controller;
 import com.example.nto.dto.CreateBookingDTO;
 import com.example.nto.entity.Place;
 import com.example.nto.service.BookingService;
-import com.example.nto.service.EmployeeService;
 import lombok.RequiredArgsConstructor;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.http.ResponseEntity;
@@ -34,7 +33,7 @@ public class BookingController {
 
     @PostMapping("/{code}/book")
     public ResponseEntity<Void> createBooking(@RequestBody CreateBookingDTO createBookingDTO, @PathVariable String code) {
-        bookingService.createBooking(createBookingDTO);
-        return ResponseEntity.ok().build();
+        bookingService.createBooking(createBookingDTO, code);
+        return ResponseEntity.created(null).build();
     }
 }

src/main/java/com/example/nto/exception/BookingExistsException.java

@@ -0,0 +1,7 @@
+package com.example.nto.exception;
+
+public class BookingExistsException extends RuntimeException {
+    public BookingExistsException(String message) {
+        super(message);
+    }
+}

src/main/java/com/example/nto/exception/PlaceNotFoundException.java

@@ -0,0 +1,7 @@
+package com.example.nto.exception;
+
+public class PlaceNotFoundException extends RuntimeException {
+    public PlaceNotFoundException(String message) {
+        super(message);
+    }
+}

src/main/java/com/example/nto/exception/handler/GlobalExceptionHandler.java

@@ -1,6 +1,8 @@
 package com.example.nto.exception.handler;
 
+import com.example.nto.exception.BookingExistsException;
 import com.example.nto.exception.CodeNotFoundException;
+import com.example.nto.exception.PlaceNotFoundException;
 import org.springframework.http.HttpStatus;
 import org.springframework.http.ResponseEntity;
 import org.springframework.web.bind.annotation.ControllerAdvice;
@@ -9,7 +11,17 @@ import org.springframework.web.bind.annotation.ExceptionHandler;
 @ControllerAdvice
 public class GlobalExceptionHandler {
     @ExceptionHandler(CodeNotFoundException.class)
-    public ResponseEntity<Void> handleCodeNotFoundException(CodeNotFoundException e) {
-        return new ResponseEntity<>(HttpStatus.UNAUTHORIZED);
+    public ResponseEntity<String> handleCodeNotFoundException(CodeNotFoundException e) {
+        return new ResponseEntity<>(e.getMessage(), HttpStatus.UNAUTHORIZED);
+    }
+
+    @ExceptionHandler(PlaceNotFoundException.class)
+    public ResponseEntity<String> handlePlaceNotFoundException(PlaceNotFoundException e) {
+        return new ResponseEntity<>(e.getMessage(),HttpStatus.BAD_REQUEST);
+    }
+
+    @ExceptionHandler(BookingExistsException.class)
+    public ResponseEntity<String> handleBookingExistsException(BookingExistsException e) {
+        return new ResponseEntity<>(e.getMessage(),HttpStatus.CONFLICT);
     }
 }

src/main/java/com/example/nto/repository/BookingRepository.java

@@ -14,4 +14,6 @@ import java.util.List;
  */
 public interface BookingRepository extends JpaRepository<Booking, Long> {
     List<Booking> findByDateBetween(LocalDate startDate, LocalDate endDate);
+    boolean existsByDateAndPlaceId(LocalDate date, Long placeId);
+    boolean existsByDateAndEmployeeId(LocalDate date, Long employeeId);
 }

src/main/java/com/example/nto/repository/PlaceRepository.java

@@ -10,4 +10,5 @@ import org.springframework.data.jpa.repository.JpaRepository;
  * НЕЛЬЗЯ: Изменять название класса и пакета
  */
 public interface PlaceRepository extends JpaRepository<Place, Long> {
+
 }

src/main/java/com/example/nto/service/BookingService.java

@@ -14,5 +14,5 @@ import java.util.Map;
  */
 public interface BookingService {
     Map<LocalDate, List<Place>> getAvailablePlaces();
-    void createBooking(CreateBookingDTO createBookingDTO);
+    void createBooking(CreateBookingDTO createBookingDTO, String code);
 }

src/main/java/com/example/nto/service/impl/BookingServiceImpl.java

@@ -1,8 +1,13 @@
 package com.example.nto.service.impl;
 
 import com.example.nto.dto.CreateBookingDTO;
+import com.example.nto.entity.Booking;
 import com.example.nto.entity.Place;
+import com.example.nto.exception.BookingExistsException;
+import com.example.nto.exception.PlaceNotFoundException;
 import com.example.nto.repository.BookingRepository;
+import com.example.nto.repository.EmployeeRepository;
+import com.example.nto.repository.PlaceRepository;
 import com.example.nto.service.BookingService;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
@@ -21,6 +26,12 @@ import java.util.Map;
 public class BookingServiceImpl implements BookingService {
     @Autowired
     BookingRepository bookingRepository;
+    @Autowired
+    PlaceRepository placeRepository;
+    @Autowired
+    EmployeeServiceImpl employeeService;
+    @Autowired
+    EmployeeRepository employeeRepository;
 
     @Override
     public Map<LocalDate, List<Place>> getAvailablePlaces() {
@@ -28,7 +39,23 @@ public class BookingServiceImpl implements BookingService {
     }
 
     @Override
-    public void createBooking(CreateBookingDTO createBookingDTO) {
-
+    public void createBooking(CreateBookingDTO createBookingDTO, String code) {
+        employeeService.codeExists(code);
+        if(!placeRepository.existsById(createBookingDTO.getPlaceID())) {
+            throw new PlaceNotFoundException("Place Does Not Exist");
+        }
+        if(bookingRepository.existsByDateAndPlaceId(createBookingDTO.getDate(), createBookingDTO.getPlaceID())) {
+            throw new BookingExistsException("Booking Already Exists");
+        }
+        var employee = employeeRepository.findByCode(code);
+        if(bookingRepository.existsByDateAndEmployeeId(createBookingDTO.getDate(), employee.getId())) {
+            throw new BookingExistsException("Employee Already Has A Booking For This Date");
+        }
+        Booking booking = Booking.builder()
+                .date(createBookingDTO.getDate())
+                .place(placeRepository.findById(createBookingDTO.getPlaceID()).get())
+                .employee(employee)
+                .build();
+        bookingRepository.save(booking);
     }
 }