Es/#74 car booking

carRental/src/main/java/com/amigoscode/chohort2/carRental/car/CarService.java

@@ -3,6 +3,7 @@
 import com.amigoscode.chohort2.carRental.annotation.TransactionalService;
 import com.amigoscode.chohort2.carRental.car.VM.CarVM;
 import com.amigoscode.chohort2.carRental.carProviderUser.CarProviderUserService;
+import com.amigoscode.chohort2.carRental.carUser.CarUser;
 import com.amigoscode.chohort2.carRental.constants.ErrorConstants;
 import com.amigoscode.chohort2.carRental.exception.ApiRequestException;
 import com.amigoscode.chohort2.carRental.lookupCode.LookupCodes;
@@ -45,8 +46,11 @@ public CarDTO update(Long carId, CarVM carVM) {
     }
 
     public CarDTO getCarById(Long id) {
+        return CarMapper.INSTANCE.toDto(findCarById(id));
+    }
+
+    public Car findCarById(Long id) {
         return carRepository.findById(id)
-                .map(CarMapper.INSTANCE::toDto)
                 .orElseThrow(() -> new ApiRequestException(ErrorConstants.CAR_NOT_FOUND));
     }
 
@@ -63,7 +67,7 @@ private Car createCar(CarVM carVM) {
 
     private Car updateCar(Long carId, CarVM carVM) {
         Long providerId = getCurrentCarProviderId();
-        Car car = carRepository.findById(carId).orElseThrow(() -> new ApiRequestException(ErrorConstants.CAR_NOT_FOUND));
+        Car car = findCarById(carId);
         Validator.invalidateIfFalse(() -> car.getCarProviderId().equals(providerId),
                 ErrorConstants.CAR_PROVIDER_USER,
                 "car doesn't belong to the provider");
@@ -90,4 +94,13 @@ public Page<CarDTO> getSearchCars(Specification<Car> carSearch, Pageable pageabl
         return carRepository.findAll(carSearch, pageable)
                 .map(CarMapper.INSTANCE::toDto);
     }
+
+    public Car updateCarBookingStatus(Car car,Integer bookingStatus){
+        car.setBookingStatusCode(bookingStatus);
+        return carRepository.save(car);
+    }
+
+    public void save(Car car) {
+        carRepository.save(car);
+    }
 }

carRental/src/main/java/com/amigoscode/chohort2/carRental/carBooking/CarBookingController.java

@@ -1,6 +1,14 @@
 package com.amigoscode.chohort2.carRental.carBooking;
 
+import com.amigoscode.chohort2.carRental.authority.AuthorityConstants;
+import com.amigoscode.chohort2.carRental.carBooking.vm.UserBookingVM;
+import jakarta.validation.Valid;
 import lombok.RequiredArgsConstructor;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+import org.springframework.security.access.annotation.Secured;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestBody;
 import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
 
@@ -10,4 +18,14 @@
 public class CarBookingController {
     private final CarBookingService carBookingService;
 
+
+    @PostMapping
+    @Secured({AuthorityConstants.CLIENT})
+    public ResponseEntity<CarBookingDTO> createUserBooking(@RequestBody @Valid UserBookingVM userBookingVM){
+
+        return ResponseEntity
+                .status(HttpStatus.CREATED)
+                .body(carBookingService.createUserBooking(userBookingVM));
+    }
+
 }

carRental/src/main/java/com/amigoscode/chohort2/carRental/carBooking/CarBookingService.java

@@ -1,12 +1,75 @@
 package com.amigoscode.chohort2.carRental.carBooking;
 
 import com.amigoscode.chohort2.carRental.annotation.TransactionalService;
+import com.amigoscode.chohort2.carRental.car.Car;
+import com.amigoscode.chohort2.carRental.car.CarService;
+import com.amigoscode.chohort2.carRental.carBooking.vm.UserBookingVM;
+import com.amigoscode.chohort2.carRental.carProviderCoupon.CarProviderCoupon;
+import com.amigoscode.chohort2.carRental.carProviderCoupon.CarProviderCouponService;
+import com.amigoscode.chohort2.carRental.carUser.CarUser;
+import com.amigoscode.chohort2.carRental.carUser.CarUserService;
+import com.amigoscode.chohort2.carRental.constants.ErrorConstants;
+import com.amigoscode.chohort2.carRental.lookupCode.LookupCodes;
+import com.amigoscode.chohort2.carRental.user.User;
+import com.amigoscode.chohort2.carRental.user.UserService;
+import com.amigoscode.chohort2.carRental.validation.Validator;
 import lombok.RequiredArgsConstructor;
+import org.apache.commons.lang3.StringUtils;
+
+import java.time.LocalDate;
+import java.time.temporal.ChronoUnit;
 
 @TransactionalService
 @RequiredArgsConstructor
 public class CarBookingService {
 
-private final CarBookingRepository carBookingRepository;
+    private final CarBookingRepository carBookingRepository;
+    private final UserService userService;
+
+    private final CarUserService carUserService;
+
+    private final CarService carService;
+
+    private final CarProviderCouponService carProviderCouponService;
+
+    public CarBookingDTO createUserBooking(UserBookingVM userBookingVM) {
+        User loggedInUser = userService.getLoggedInUser();
+
+        Car car = carService.findCarById(userBookingVM.getCarId());
+
+        Validator.invalidateIfTrue(() -> !car.getBookingStatusCode().equals(LookupCodes.CarBookingStatus.available), ErrorConstants.CAR_NOT_AVAILABLE);
+
+
+        CarUser carUser = carUserService.createCarUserFromCar(car);
+
+        carService.updateCarBookingStatus(car, LookupCodes.CarBookingStatus.inUse);
+
+        long daysOfBooking = ChronoUnit.DAYS.between(LocalDate.now(), userBookingVM.getCheckOut());
+        float price = daysOfBooking * car.getPrice();
+        float totalPrice = price - calculateCoupon(userBookingVM.getCouponCode(), price);
+
+        CarBooking carBooking = new CarBooking().setUserId(loggedInUser.getId()).setCarUserId(carUser.getCarId()).setCheckInDate(LocalDate.now()).setCheckOutDate(userBookingVM.getCheckOut()).setStatusCode(LookupCodes.UserBookingStatus.inUse).setFinalPrice(totalPrice);
+
+
+        return CarBookingMapper.INSTANCE.toDto(carBookingRepository.saveAndRefresh(carBooking));
+    }
+
+
+    private float calculateCoupon(String couponCode, float price) {
+        if (StringUtils.isBlank(couponCode)) {
+            return 0.0f;
+        }
+
+
+        CarProviderCoupon coupon = carProviderCouponService.findCouponByCode(couponCode);
+        Validator.invalidateIfTrue(() -> coupon.getEndDate().isBefore(LocalDate.now()), "coupon is expired");
+
+        Validator.invalidateIfTrue(() -> !coupon.getIsAvailable(), "coupon is not available for use");
+
+        //TODO: add userCoupon entity
+
+        return price * (coupon.getDiscountPercentage() / 100);
+
+    }
 
 }

carRental/src/main/java/com/amigoscode/chohort2/carRental/carBooking/vm/UserBookingVM.java

@@ -0,0 +1,23 @@
+package com.amigoscode.chohort2.carRental.carBooking.vm;
+
+import jakarta.validation.constraints.NotNull;
+import lombok.Getter;
+import lombok.Setter;
+
+import java.time.LocalDate;
+
+@Setter
+@Getter
+public class UserBookingVM {
+
+    @NotNull
+    private Long carId;
+    @NotNull
+    private LocalDate checkIn;
+    @NotNull
+    private LocalDate checkOut;
+
+    private String couponCode;
+
+
+}

carRental/src/main/java/com/amigoscode/chohort2/carRental/carProviderCoupon/CarProviderCoupon.java

@@ -48,5 +48,8 @@ public class CarProviderCoupon extends AbstractAuditingEntity {
     @Column (name = "is_available", nullable = false)
     private Boolean isAvailable = true;
 
+    @Column (name = "discount_percentage", nullable = false)
+    private Float discountPercentage;
+
 
 }

carRental/src/main/java/com/amigoscode/chohort2/carRental/carProviderCoupon/CarProviderCouponDTO.java

@@ -27,4 +27,6 @@ public class CarProviderCouponDTO implements Serializable {
     private LocalDate endDate;
     private Integer numOfUsePerUser;
     private Boolean isAvailable;
+
+    private Float discountPercentage;
 }

carRental/src/main/java/com/amigoscode/chohort2/carRental/carProviderCoupon/CarProviderCouponRepository.java

@@ -2,12 +2,13 @@
 
 import com.amigoscode.chohort2.carRental.abstracts.repository.CRJpaRepository;
 import org.springframework.data.jpa.repository.Query;
+import org.springframework.data.repository.query.Param;
 import org.springframework.stereotype.Repository;
 
 import java.util.Optional;
 
 @Repository
 public interface CarProviderCouponRepository extends CRJpaRepository<CarProviderCoupon, Long> {
     @Query("select u from CarProviderCoupon  u where u.couponCode=:couponCode")
-    Optional<CarProviderCoupon> findByCouponCode(String couponCode);
+    Optional<CarProviderCoupon> findByCouponCode(@Param("couponCode") String couponCode);
 }

carRental/src/main/java/com/amigoscode/chohort2/carRental/carProviderCoupon/CarProviderCouponService.java

@@ -11,8 +11,6 @@
 import com.amigoscode.chohort2.carRental.validation.Validator;
 import lombok.RequiredArgsConstructor;
 
-import java.util.Optional;
-
 
 @TransactionalService
 @RequiredArgsConstructor
@@ -28,7 +26,8 @@ public CarProviderCouponDTO save(CarProviderCouponVM carProviderCouponVM) {
                 .setStartDate(carProviderCouponVM.getStartDate())
                 .setEndDate(carProviderCouponVM.getEndDate())
                 .setNumOfUsePerUser(carProviderCouponVM.getNumOfUsePerUser())
-                .setIsAvailable(carProviderCouponVM.getIsAvailable());
+                .setIsAvailable(carProviderCouponVM.getIsAvailable())
+                .setDiscountPercentage(carProviderCouponVM.getDiscountPercentage());
         return CarProviderCouponMapper.INSTANCE.toDto(carProviderCouponRepository.save(carProviderCoupon));
     }
 
@@ -55,4 +54,10 @@ private Long getCarProvideId() {
         CarProviderUser carProviderUser = carProviderUserService.findCarProviderUserByUserId(user.getId());
         return carProviderUser.getCarProviderId();
     }
+
+    public CarProviderCoupon findCouponByCode(String couponCode) {
+
+    return carProviderCouponRepository.findByCouponCode(couponCode)
+            .orElseThrow(() -> new ApiRequestException("Coupon not found"));
+    }
 }

carRental/src/main/java/com/amigoscode/chohort2/carRental/carProviderCoupon/VM/CarProviderCouponVM.java

@@ -1,7 +1,9 @@
 package com.amigoscode.chohort2.carRental.carProviderCoupon.VM;
 
 import com.fasterxml.jackson.annotation.JsonFormat;
+import jakarta.validation.constraints.Min;
 import jakarta.validation.constraints.NotEmpty;
+import jakarta.validation.constraints.NotNull;
 import lombok.Getter;
 import lombok.Setter;
 import lombok.experimental.Accessors;
@@ -28,4 +30,10 @@ public class CarProviderCouponVM implements Serializable {
     @NotEmpty
     private Boolean isAvailable = true;
 
+    @NotNull
+    @Min(0)
+    private Float discountPercentage;
+
+
+
 }

carRental/src/main/java/com/amigoscode/chohort2/carRental/carUser/CarUserService.java

@@ -1,13 +1,36 @@
 package com.amigoscode.chohort2.carRental.carUser;
 
 import com.amigoscode.chohort2.carRental.annotation.TransactionalService;
+import com.amigoscode.chohort2.carRental.car.Car;
 import lombok.RequiredArgsConstructor;
 
 @TransactionalService
 @RequiredArgsConstructor
 public class CarUserService {
 
-    private final CarUserRepository userRepository;
+    private final CarUserRepository carUserRepository;
 
 
+    public void save(CarUser carUser) {
+        carUserRepository.save(carUser);
+    }
+
+
+    public CarUser createCarUserFromCar(Car car) {
+        CarUser carUser = new CarUser()
+                .setCarId(car.getId())
+                .setRegistrationNumber(car.getRegistrationNumber())
+                .setBrandCode(car.getBrandCode())
+                .setBrandModelCode(car.getBrandModelCode())
+                .setProductionYear(car.getProductionYear())
+                .setMaxSpeed(car.getMaxSpeed())
+                .setHorsePower(car.getHorsePower())
+                .setRgbCode(car.getRgbCode())
+                .setDescription(car.getDescription())
+                .setCategoryCode(car.getCategoryCode())
+                .setBookingStatusCode(car.getBookingStatusCode())
+                .setPrice(car.getPrice())
+                .setImgUrl(car.getImgUrl());
+        return carUserRepository.save(carUser);
+    }
 }

carRental/src/main/java/com/amigoscode/chohort2/carRental/constants/ErrorConstants.java

@@ -20,6 +20,9 @@ public class ErrorConstants {
     public static final String NOT_VALID_LICENSE = String
             .format("%s%s", BASE_ERROR_KEY, "notValidLicense");
 
+    public static final String CAR_NOT_AVAILABLE = String
+            .format("%s%s", BASE_ERROR_KEY, "carNotAvailableForRent");
+
 
 
     //-----------Not found errors key---------------

carRental/src/main/resources/db/changelog/0.0.0.1/202306261435_added_entity_Car_Provider_Coupon.xml

@@ -53,4 +53,13 @@
     </changeSet>
 
 
+    <changeSet id="202309081305-1-car-provider-coupon--discountPercentage" author="esmaeeil">
+        <addColumn tableName="car_provider_coupon">
+            <column name="discount_percentage" type="float">
+                <constraints nullable="false"/>
+            </column>
+        </addColumn>
+    </changeSet>
+
+
 </databaseChangeLog>

carRental/src/test/java/com/amigoscode/chohort2/carRental/coupon/CarProviderCouponControllerIT.java

@@ -60,7 +60,8 @@ void tearUp() {
                 .setStartDate(LocalDate.of(2023, 11, 3))
                 .setEndDate(LocalDate.of(2023, 12, 2))
                 .setNumOfUsePerUser(1)
-                .setIsAvailable(true);
+                .setIsAvailable(true)
+                .setDiscountPercentage(10F);
         updatedItem = new CarProviderCouponAvailabilityVM()
                 .setIsAvailable(false);