Add entity layer

backend/.gitignore

@@ -31,6 +31,7 @@ build/
 
 ### VS Code ###
 .vscode/
+.claude
 
 ### Env ###
 .env

backend/src/main/java/com/angel/autonow/driver/DriverEntity.java

@@ -1,4 +1,65 @@
 package com.angel.autonow.driver;
 
+import com.angel.autonow.expertise.ExpertiseType;
+import com.angel.autonow.vehicle.VehicleEntity;
+import jakarta.persistence.*;
+import jakarta.validation.constraints.NotBlank;
+import jakarta.validation.constraints.NotNull;
+import jakarta.validation.constraints.Pattern;
+import lombok.AllArgsConstructor;
+import org.hibernate.validator.constraints.URL;
+import lombok.Builder;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+import java.util.Set;
+
+@Data
+@Entity
+@Builder
+@NoArgsConstructor
+@AllArgsConstructor
+@Table(name = "driver")
 public class DriverEntity {
+
+	@Id
+	@GeneratedValue(strategy = GenerationType.IDENTITY)
+	private Long id;
+
+	@NotBlank(message = "First name is required")
+	@Column(name = "first_name", nullable = false)
+	private String firstName;
+
+	@NotBlank(message = "Last name is required")
+	@Column(name = "last_name", nullable = false)
+	private String lastName;
+
+	@NotBlank(message = "Phone number is required")
+	@Pattern(regexp = "^\\+?[0-9]{10,15}$", message = "Phone number must be valid")
+	@Column(name = "phone_number", nullable = false)
+	private String phoneNumber;
+
+	@NotBlank(message = "License number is required")
+	@Column(name = "license_number", unique = true, nullable = false)
+	private String licenseNumber;
+
+	@NotNull(message = "Expertise type is required")
+	@Enumerated(EnumType.STRING)
+	@Column(name = "expertise_type", nullable = false)
+	private ExpertiseType expertiseType;
+
+	@Column(name = "available")
+	private boolean available;
+
+	@URL(message = "Image URL must be valid")
+	@Column(name = "image_url")
+	private String imageUrl;
+
+	@OneToMany
+	@JoinTable(
+		name = "driver_vehicles",
+		joinColumns = @JoinColumn(name = "driver_id"),
+		inverseJoinColumns = @JoinColumn(name = "vehicle_id")
+	)
+	private Set<VehicleEntity> vehicles;
 }

backend/src/main/java/com/angel/autonow/exception/GlobalControllerExceptionHandler.java

@@ -1,18 +1,59 @@
 package com.angel.autonow.exception;
 
 import com.angel.autonow.user.UserException;
+import jakarta.validation.ConstraintViolationException;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.http.HttpStatus;
 import org.springframework.http.ProblemDetail;
 import org.springframework.security.core.userdetails.UsernameNotFoundException;
+import org.springframework.web.bind.MethodArgumentNotValidException;
 import org.springframework.web.bind.annotation.ControllerAdvice;
 import org.springframework.web.bind.annotation.ExceptionHandler;
 import org.springframework.web.bind.annotation.ResponseStatus;
 
+import java.util.HashMap;
+import java.util.Map;
+
 @Slf4j
 @ControllerAdvice
 public class GlobalControllerExceptionHandler {
 
+	@ResponseStatus(HttpStatus.BAD_REQUEST)
+	@ExceptionHandler(MethodArgumentNotValidException.class)
+	public ProblemDetail handleMethodArgumentNotValidException(MethodArgumentNotValidException e) {
+		log.warn(e.getMessage(), HttpStatus.BAD_REQUEST, e);
+
+		Map<String, String> errors = new HashMap<>();
+		e.getBindingResult().getFieldErrors().forEach(error ->
+			errors.put(error.getField(), error.getDefaultMessage())
+		);
+
+		ProblemDetail problemDetail = ProblemDetail.forStatus(HttpStatus.BAD_REQUEST);
+		problemDetail.setTitle("Validation failed");
+		problemDetail.setDetail("One or more fields have validation errors");
+		problemDetail.setProperty("errors", errors);
+
+		return problemDetail;
+	}
+
+	@ResponseStatus(HttpStatus.BAD_REQUEST)
+	@ExceptionHandler(ConstraintViolationException.class)
+	public ProblemDetail handleConstraintViolationException(ConstraintViolationException e) {
+		log.warn(e.getMessage(), HttpStatus.BAD_REQUEST, e);
+
+		Map<String, String> errors = new HashMap<>();
+		e.getConstraintViolations().forEach(violation ->
+			errors.put(violation.getPropertyPath().toString(), violation.getMessage())
+		);
+
+		ProblemDetail problemDetail = ProblemDetail.forStatus(HttpStatus.BAD_REQUEST);
+		problemDetail.setTitle("Validation failed");
+		problemDetail.setDetail("One or more constraints were violated");
+		problemDetail.setProperty("errors", errors);
+
+		return problemDetail;
+	}
+
 	@ResponseStatus(HttpStatus.UNAUTHORIZED)
 	@ExceptionHandler(UsernameNotFoundException.class)
 	public ProblemDetail handleUsernameNotFoundException(UsernameNotFoundException e) {

backend/src/main/java/com/angel/autonow/order/OrderEntity.java

@@ -0,0 +1,116 @@
+package com.angel.autonow.order;
+
+import com.angel.autonow.driver.DriverEntity;
+import com.angel.autonow.user.UserEntity;
+import com.angel.autonow.vehicle.VehicleEntity;
+import com.angel.autonow.vehicle.VehicleType;
+import jakarta.persistence.*;
+import jakarta.validation.constraints.NotBlank;
+import jakarta.validation.constraints.NotNull;
+import jakarta.validation.constraints.Positive;
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+import java.time.LocalDateTime;
+
+@Data
+@Entity
+@Builder
+@NoArgsConstructor
+@AllArgsConstructor
+@Table(name = "orders")
+public class OrderEntity {
+
+	@Id
+	@GeneratedValue(strategy = GenerationType.IDENTITY)
+	private Long id;
+
+	@NotNull(message = "User is required")
+	@ManyToOne
+	@JoinColumn(name = "user_id", nullable = false)
+	private UserEntity user;
+
+	@ManyToOne
+	@JoinColumn(name = "driver_id")
+	private DriverEntity driver;
+
+	@ManyToOne
+	@JoinColumn(name = "vehicle_id")
+	private VehicleEntity vehicle;
+
+	@NotNull(message = "Vehicle type is required")
+	@Enumerated(EnumType.STRING)
+	@Column(name = "vehicle_type", nullable = false)
+	private VehicleType vehicleType;
+
+	@NotBlank(message = "Pickup address is required")
+	@Column(name = "pickup_address", nullable = false)
+	private String pickupAddress;
+
+	@NotNull(message = "Pickup latitude is required")
+	@Column(name = "pickup_latitude", nullable = false)
+	private Double pickupLatitude;
+
+	@NotNull(message = "Pickup longitude is required")
+	@Column(name = "pickup_longitude", nullable = false)
+	private Double pickupLongitude;
+
+	@NotBlank(message = "Dropoff address is required")
+	@Column(name = "dropoff_address", nullable = false)
+	private String dropoffAddress;
+
+	@NotNull(message = "Dropoff latitude is required")
+	@Column(name = "dropoff_latitude", nullable = false)
+	private Double dropoffLatitude;
+
+	@NotNull(message = "Dropoff longitude is required")
+	@Column(name = "dropoff_longitude", nullable = false)
+	private Double dropoffLongitude;
+
+	@NotNull(message = "Status is required")
+	@Enumerated(EnumType.STRING)
+	@Column(name = "status", nullable = false)
+	private OrderStatus status;
+
+	@Positive(message = "Estimated price must be positive")
+	@Column(name = "estimated_price")
+	private Double estimatedPrice;
+
+	@Positive(message = "Final price must be positive")
+	@Column(name = "final_price")
+	private Double finalPrice;
+
+	@Positive(message = "Distance must be positive")
+	@Column(name = "distance_km")
+	private Double distanceKm;
+
+	@Positive(message = "Estimated duration must be positive")
+	@Column(name = "estimated_duration_minutes")
+	private Integer estimatedDurationMinutes;
+
+	@Column(name = "special_requirements")
+	private String specialRequirements;
+
+	@Column(name = "cancellation_reason")
+	private String cancellationReason;
+
+	@Column(name = "created_at", nullable = false, updatable = false)
+	private LocalDateTime createdAt;
+
+	@Column(name = "updated_at")
+	private LocalDateTime updatedAt;
+
+	@PrePersist
+	protected void onCreate() {
+		createdAt = LocalDateTime.now();
+		updatedAt = LocalDateTime.now();
+		if (status == null) status = OrderStatus.CREATED;
+	}
+
+	@PreUpdate
+	protected void onUpdate() {
+		updatedAt = LocalDateTime.now();
+	}
+}

backend/src/main/java/com/angel/autonow/payment/PaymentEntity.java

@@ -0,0 +1,74 @@
+package com.angel.autonow.payment;
+
+import com.angel.autonow.order.OrderEntity;
+import jakarta.persistence.*;
+import jakarta.validation.constraints.NotBlank;
+import jakarta.validation.constraints.NotNull;
+import jakarta.validation.constraints.Positive;
+import jakarta.validation.constraints.Size;
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+import java.time.LocalDateTime;
+
+@Data
+@Entity
+@Builder
+@NoArgsConstructor
+@AllArgsConstructor
+@Table(name = "payments")
+public class PaymentEntity {
+
+	@Id
+	@GeneratedValue(strategy = GenerationType.IDENTITY)
+	private Long id;
+
+	@NotNull(message = "Order is required")
+	@OneToOne
+	@JoinColumn(name = "order_id", nullable = false, unique = true)
+	private OrderEntity order;
+
+	@NotNull(message = "Amount is required")
+	@Positive(message = "Amount must be positive")
+	@Column(name = "amount", nullable = false)
+	private Double amount;
+
+	@NotNull(message = "Payment method is required")
+	@Enumerated(EnumType.STRING)
+	@Column(name = "payment_method", nullable = false)
+	private PaymentMethod paymentMethod;
+
+	@NotNull(message = "Status is required")
+	@Enumerated(EnumType.STRING)
+	@Column(name = "status", nullable = false)
+	private PaymentStatus status;
+
+	@Column(name = "transaction_id", unique = true)
+	private String transactionId;
+
+	@NotBlank(message = "Currency is required")
+	@Size(min = 3, max = 3, message = "Currency must be a 3-letter code")
+	@Column(name = "currency", nullable = false)
+	private String currency;
+
+	@Column(name = "created_at", nullable = false, updatable = false)
+	private LocalDateTime createdAt;
+
+	@Column(name = "updated_at")
+	private LocalDateTime updatedAt;
+
+	@PrePersist
+	protected void onCreate() {
+		createdAt = LocalDateTime.now();
+		updatedAt = LocalDateTime.now();
+		if (status == null) status = PaymentStatus.PENDING;
+		if (currency == null) currency = "EUR";
+	}
+
+	@PreUpdate
+	protected void onUpdate() {
+		updatedAt = LocalDateTime.now();
+	}
+}

backend/src/main/java/com/angel/autonow/payment/PaymentMethod.java

@@ -0,0 +1,10 @@
+package com.angel.autonow.payment;
+
+public enum PaymentMethod {
+	CASH,
+	CREDIT_CARD,
+	DEBIT_CARD,
+	PAYPAL,
+	GOOGLE_PAY,
+	APPLE_PAY
+}

backend/src/main/java/com/angel/autonow/payment/PaymentStatus.java

@@ -0,0 +1,8 @@
+package com.angel.autonow.payment;
+
+public enum PaymentStatus {
+	PENDING,
+	COMPLETED,
+	FAILED,
+	REFUNDED
+}