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Jan 15, 2025 pm 06:05 PM

?? ??? ?? ??? ? ?? ???? ?3? ??????? ??? ???? ??? ? ?? ????? ???? ??? ??? ??? ?????.

?? ???? ??? ???? ??????. ?? ??? ???? ????, ???? ??? ????? ??, ?? ?????? ?? ??? ????, ???? ?? ???? ???? ???? ????. ??? ???? ??? ??? ? ????? ??? ???? ?? ?? ????? ?? ??? ??? ? ?? ??? ??? ????? ??? ? ?? ???? ? ???? ????? ?? ??????.

? ? ?, ?? ??? ?? ???? ?? ?? ??, ?? ?? ?? ??? ??? ?? ??? ??????. ?? ??? ?? ??? ??? ??? ??? ??? ???? ??? ???? ???? ?? ???? ???? ?? ??? ????? ?????. ?? ??? ? ?? ??? ?? ???? ?? ??? ???? ? ??? ?? ?? ?? ???????.

? ??? ?? ?? ??? ??? ??????. ?? ??? ?? ?? ??? ???? ?? ???? ??? ??? ? ??? ?? ??????. ?? ???? ??? ?? ?? ??? ?????? ???? ????? ??? ???? ????? ????? ??? ? ????.

? ?? ????? ???? ?? ???? ???? ??? ?? ?? ??? ??? ?? ??? ?? ??? ???? ?? ??? ???. ?? ?? ??? ?????? ??? ?? ????? ???? ??? ??? ??? ??? ? ?? ???? ??? ???? ???? ??? ? ????.

1. ?? ?? ?? ??

??? ??? ?? ???? ??? ? ???? ???? ??? ??? ??? ???? ?? ???? ? ? ?? ?? ??? ????. ??? ?????.

1.1 ??? ??

  • ??? ??? ??: ???? ??? ??? ???? ??? ??? ?? ???? ???? ??? ??? ? ?? ??? ???? ?? ???? ????.
  • ?? ??? ??: ??? ???? ?? ?? ?? ???? ????? ???? ???? ?? ?? ?? ?? ??? ??? ? ?? ??? ??? ?????.
  • ??? ?? ??: ?? ???? ??? ??? ???? ????? ?? ??? ???? ??? ??? ???? ??? ?????.
  • ??? ??? ?? ?? ??: ?? ???? ???? ?? ??? ???? ???? ?? ??? ????? ???? ??? ? ????.

1.2 ?? ??

  • ??? ?? ??: ?? ? ???? ?? ????? ???? ?? ??? ?? ??? ?????.
  • ?? ??? ?? ???? ???: ???? ???? ???? ???? ??? ??? ??? ???? ???? ??? ??? ???? ?????.
  • ?? ????? ??: ???? ??? ? ?? ?? ?????? ???? ???? ???? ?? ??? ?????.
  • ?? ????: ?? ?? ?? ?? ? ?? ??? ?? ???? ??? ???? ????? ????.

1.3 ??? ??

  • ??? ???: ??? ?? ?? ??? ? ??? ???? ???? ?? ????? ?????.
  • API ???: ??? ??? ?? ????? ? ???? API? ???? ????? ?????.
  • ??? ??? ??: ??? ???? ???? ???? ??????? ???? ??? ?????.
  • ?? ?? ? ???: ??? ????? ?? ??? ????? ???? ??? ???? ???? ???? ????? ?????.

1.4 ?? ??

  • ?? ?? ??: ??? ????? ??? ??? ??? ????? ???.
  • ?? ???: ??? ???? ?? ?? ??? ?? ???? ??? ??? ?????.
  • ?? ????: ??? ??? ?? ????? ??? ???? ???? ?? ??? ??? ????.
  • ?? ??: ?? ??? ????? ?????? ???? ? ??? ?? ??? ??? ?????.

1.5 ??? ??

  • ?? ??? ???: ????? ???? ?? ??? ?? ???? ???? ??? ??? ?????.
  • ?? ?? ???: ???? ????? ?? ??? ?? ??? ? ?? ???? ?????.
  • ?? ??? ??: ?? ??? ???? ???? ????? ???? ????? ??? ?? ??? ????.
  • ??? ????: ?? ?? ?? ??? ???? ?? ?? ???? ????? ????? ?? ?????.

??? ??? ???? ????? ???? ??? ???? ??? ?? ?? ???? ???? ??? ???? ???? ?? ? ????.

2. ??? ?? ? ??

?? ??? ?? ?? ??? ???? ?? ??? ??? ??? ???? ???? ??? ??? ???? ????. ??? ?? ?? ?? ?? ??? ?? ?? ?????? ???? ??? ?? ??? ??? ?? ??? ???? ???? ????? ??? ??? ??? ????? ? ? ????.

? ????? ???? ????? ??? ??? ???? ??? ??, ?? ??, ??? ??? ?? ?? ??? ??? ???? ????? ?????. ??? ? ??? ??? ???? ??? ???? ??? ? ?? ????? ??? ?? ???? ???? ? ??? ????? ???? ????.

???? ???? ??? ???? ?? ???? ??? ???? ?? ???? ?? ???? ??? ?? ???? ???????.

2.1 ???

Designing an Internet Credit Purchase System

???? ?? ??? ??? 6??? ?????.

??? ?? ??

  • ?? ???? ?? ???? ??? ???? ???? ??? ?? ???? ?????. ? ????? ?? ??? ???? ??? ??? ??? ???? ????? ?????.
  • ???? ???? ???? '??'? ?????.
  • ?? ???? ???? ??? ? ?? ?? ?? '??? ? ??' ???? ???? ???? ?? ???? ?? ??????. ??? ??? ???? ????? ???? ?? ???? ?????.

?? ??

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  • ??? ???? ????? ?? ???? ???? ?? ???? ?? ???????.
  • ??? ???? ?? ???? ?????.
?? ??
  • ? ???? ???? ?? ????? ???? ?3? ?? ???? ???????.
  • ?? ?? ??? ???? ?? ?? ?????? ??(??)? ?????.
?? ??
  • ?? ?? ?????? ??? ???? ??? ?????.
    • ??? ??? ?? ????? ??? ???? ?? ??? ?????.
    • ??? ??? ??:
      • ?? ?? ?: ????? ??? ???? ???? ????? ??? ????.
      • ??? ??? ??: ????? ??? ???? ????? ??? ??? ? ? ??? ?????.
??? ???
  • ??? ???? ???? ??? ????? ??? ???? ?????.
    • ??? ?? ?: ???? ??? ???? ???? ?? ??? ?????.
    • ???? ??? ??: ???? ???? ?????.
      • ??? ???? ??? ??? ????.
      • ??? ???? ???? ??? ????? ???? ??? ??? ????.
????? ????
  • ???? ?? ????: ??? ??? ??? ????? ???????.
  • ??? ??? ????: ??? ?? ??? WebSocket ??? ?? ?????.

? ??? ????? ???? ???? ??? ???? ??? ???? ???? ??? ????? ?????.

2.2 ??? ?????

?? ??? ?????? ??? ??? ?? ?? ?? ?? ??? ???? ? ??? ???.

Designing an Internet Credit Purchase System

???? ?? ??? ??? 6??? ?????.

??? ?? ??

  • ??? ??? ?? ???? ???? ?????.
  • ?????? ???? ??? ???? ???? ?? ??? ?? ???? ??? ??? ??? ?? ???? ?????.

?? ??

  • ??? ???? ???? "??"? ???? ?????? ???? ?? ??? ????.
  • ???? ????? ??? ???? ???? ????? ?? ??? ? ??? ?????.
  • ???? ?? ??? ?? ???? ????? 15? ?? ???? ??? ?????.
  • ???? ?? ??? ?????? ??? ??? ?? ???? ???????.

?? ??

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  • ?????? ? ??? ???? ??? ???? ?? ??????? ?? ??? ??????.
  • ?? ??? ???? ???? ?? ????? ?????? ?????.
  • ?????? ??? ???? ?? ??? ?? ?????? ???????.

?? ??

  • ?? ??????? ??? ?? ??? ???? ?? ??? ?????.
  • ?? ?????? ??? ?? ???? ?? ??? ????.
    • ??? ??? ??:
      • ???? ?? ?????? ?? ?? ??? ?????.
      • ??? ????? ?????, ????? ???? ??? ?????.
    • ??? ??? ??:
      • ???? ???? ?? ??? ???? ???? ??? ???? ?? ??? ???????.
    • ?? ?? ?? ??? ?? ?? ??:
      • ???? ????? ?? ?????? ???? ?? ??? ?????. ??? ????? ??? ???? ???? ??? ???? ?????.

??? ???

  • ??? ???? ???? ????? ??? ???? ?????.
  • ???? ??? ??? ???? ???? ???? ?????.
    • ???? ??? ??:
      • ???? ?????? ????? ???? ?????.
      • ???? ?????? ??? ?? ??? ???? ?????.
    • ???? ??? ??:
      • ???? ????? ??? ???? ?????.
      • ???? ??? ??? ?? ?? ??? ?????.

????? ????

  • ???? WebSocket ??? ?? ???? ??? ???? ?? ??? ????? ????.
  • ??? ????? ?? ??? ?? ?? ??? ????? ??? ?? ? ?? ??? ??? ???? ??? ? ????.

3. ??? ??

?? ???? ??? ?? ??? ????? ?????? ?? ?? ?? ???? ??? ????? ??? ?????. ? ????? ??? ???? ???? ???? ?? ???? ??? ? ?? ????? ?? ???? ?? ?? ???? ?? ???? ???? ??? ?????.

// Domain Models
@Getter @Setter
@Entity
public class Package {
    @Id
    private String id;
    private String name;
    private BigDecimal price;
    private BigDecimal providerCost;
    private String description;
    private boolean active;
}

@Getter @Setter
@Entity
public class Order {
    @Id
    private String id;
    private String customerId;
    private String packageId;
    private String reservationId;
    private String paymentId;
    private String escrowId;
    private OrderStatus status;
    private BigDecimal amount;
    private BigDecimal providerCost;
    private LocalDateTime createdAt;
    private LocalDateTime updatedAt;
}

@Getter @Setter
@Entity
public class QuotaReservation {
    @Id
    private String id;
    private String packageId;
    private LocalDateTime expiresAt;
    private ReservationStatus status;
}

// Enums
public enum OrderStatus {
    CREATED, RESERVED, PAYMENT_PENDING, PAYMENT_COMPLETED, 
    IN_ESCROW, ACTIVATING, ACTIVATION_FAILED, COMPLETED, REFUNDED
}

public enum ReservationStatus {
    ACTIVE, EXPIRED, USED, CANCELLED
}

??? ??? ??? ????.

  • ???: ???? ??? ? ?? ??? ?? ???? ???? ????. ??? ID, ??, ??, ??? ??, ??, ??? ?? ?? ?? ?? ??? ?????.

  • ??: ???? ?? ????? ?????. ???? ?? ID, ?? ID, ??? ??? ID ?? ??? ?? ID, ?? ID, ???? ID, ?? ??, ?? ??, ???? ??, ????? ? ?? ????? ?????.

  • QuotaReservation: ??? ???? ?? ?? ??? ?????. ?? ID, ??? ???, ?? ??, ?? ??(?? ?? ?? ?)? ?????.

  • OrderStatus Enum: ? ???? CREATED ? RESERVED?? PAYMENT_PENDING, COMPLETED ?? REFUNDED?? ??? ?? ? ?? ?? ??? ??? ?????.

  • ReservationStatus Enum: ????? ? ???? ACTIVE, EXPIRED, USED ?? CANCELLED ? ??? ?? ??? ?????.

??? ???? ???? ?? ???? ???, ?? ? ??? ??? ???? ?? ??? ?????. ????? ??? ????? ???? ?? ?????? ???? ?? ?????.

// Request/Response DTOs
@Getter @Setter
public class OrderRequest {
    private String customerId;
    private String packageId;
    private BigDecimal amount;
}

@Getter @Setter
public class PaymentCallback {
    private String orderId;
    private String paymentId;
    private String status;
    private BigDecimal amount;
    private LocalDateTime timestamp;
}

@Getter @Setter
public class QuotaResponse {
    private String packageId;
    private boolean available;
    private Integer remainingQuota;
    private LocalDateTime timestamp;
}

@Getter @Setter
public class ReservationResponse {
    private String id;
    private String packageId;
    private LocalDateTime expiresAt;
    private ReservationStatus status;
}

@Getter @Setter
public class ActivationResponse {
    private String orderId;
    private boolean success;
    private String activationId;
    private String errorCode;
    private String errorMessage;
}

@Getter @Setter
public class VerificationResponse {
    private String orderId;
    private String activationId;
    private boolean success;
    private String status;
    private LocalDateTime activatedAt;
}

@Getter @Setter
public class PaymentRequest {
    private String orderId;
    private BigDecimal amount;
    private String currency;
    private String customerId;
    private String returnUrl;
    private String callbackUrl;
}

@Getter @Setter
public class PaymentSession {
    private String sessionId;
    private String paymentUrl;
    private LocalDateTime expiresAt;
    private String status;
}

@Getter @Setter
public class EscrowResponse {
    private String id;
    private String paymentId;
    private BigDecimal amount;
    private String status;
    private LocalDateTime createdAt;
}

??? ?????.

  • OrderRequest: ?? ? ??? ???? ? ??? ???? ?? ?? ????. ???? ?? ID, ????? ???, ??? ??? ?????.

  • PaymentCallback: ?? ?? ?????? ????? ?????. ?? ?? ??? ?? ID, ?? ID, ??(?? ?? ??), ?? ??, ?? ?? ?? ????? ?????.

  • QuotaResponse: ??? ??? ?? ????. ??? ?? ?? ??, ?? ???, ??? ????? ????? ?? ?? ?????.

  • ReservationResponse: ???? ???? ?? ID, ?? ???, ?? ?? ??, ?? ??(?: ?? ?? ???) ? ?? ?? ??? ?????. .

  • ActivationResponse: ??? ???? ??? ?????? ?????. ????? ???? ??? ID? ??? ??? ?? ?? ?? ??? ?????.

  • ????: ??? ? ?? ?? ???? ?????? ?????. ???? ?? ID, ??? ID, ?? ?? ? ??? ??? ?????.

  • PaymentRequest: ?? ????? ???? ?? ? DTO? ?? ID, ?? ??, ??, ?? ID ? ?? URL? ?? ??? ?? ??? ?????.

  • PaymentSession: ?? ????? ??? ? ???? ?????. ???? ?? ID, ?? URL(???? ???? ?? ??), ?? ??, ?? ??? ?????.

  • EscrowResponse: ??? ????? ??? ?? ???? ID, ?? ID, ?? ??, ??, ?? ?? ? ??? ?? ?? ??? ?????.

??? ?? ???? ??? ???? ????? ? ???? ?? ?? ?? ??? ?? ?? ??? ?????. ?? ??(??? ?? ?)? ?? ??? ????? ?????.

// Domain Models
@Getter @Setter
@Entity
public class Package {
    @Id
    private String id;
    private String name;
    private BigDecimal price;
    private BigDecimal providerCost;
    private String description;
    private boolean active;
}

@Getter @Setter
@Entity
public class Order {
    @Id
    private String id;
    private String customerId;
    private String packageId;
    private String reservationId;
    private String paymentId;
    private String escrowId;
    private OrderStatus status;
    private BigDecimal amount;
    private BigDecimal providerCost;
    private LocalDateTime createdAt;
    private LocalDateTime updatedAt;
}

@Getter @Setter
@Entity
public class QuotaReservation {
    @Id
    private String id;
    private String packageId;
    private LocalDateTime expiresAt;
    private ReservationStatus status;
}

// Enums
public enum OrderStatus {
    CREATED, RESERVED, PAYMENT_PENDING, PAYMENT_COMPLETED, 
    IN_ESCROW, ACTIVATING, ACTIVATION_FAILED, COMPLETED, REFUNDED
}

public enum ReservationStatus {
    ACTIVE, EXPIRED, USED, CANCELLED
}
?? ???
1. ??:

? ???? ??? ???? ???? ?? ??? ?????. ??? ??? ??? ??? ??? API? ?? ???? ??? ??? ????.

2. ?? ??:
  • updateCache(): ? ???? ?????? ?? ??? ???? ??? 5??? ?? ??? ?? ????. ??? ?? ??? ?????.
  • getPackage(): ? ???? ?? ID? ???? ???? ??? ??? ?????.
  • updatePackageQuota(): ??? ?? ??? ???? ? ???? ?? ???? ?? ? ??? ??? ???????.
??? ??
1. ??:

? ???? ???? API?? ??? ?????. ??? ??, ??? ??, ??? ???, ??? ?? ?? ??? ?????.

2. ?? ??:
  • checkQuota(): ? ???? ???? API? ???? ???? ?? ??? ???? ???? ?????.
  • ReserveQuota(): ????? ??? ?? ??? ?? ??? ???? ?????.
  • activateService(): ??? ?? ???? ???? ?? ?? ? ???? ???? ?? ??? ?????.
  • verifyActivation(): ??? ? ? ???? ?? ?? ????? ?????.
  • getAllPackages(): ? ???? ?????? ?? ??? ?? ???? ????, ?? ??? ??????? ????? ??? ??? ???? ? ?????.
3. ??? ????:

? ???? ???? ??? ?? ?? RetryTemplate? ???? ???? API? ?? ??? ???? ??????. ?? ?? ??? ??? ?????? ???? ???? ???? ?????.

??? ??? ?????? ? ??? ???? ??? ???? ????? ???? ??? ???? API? ???? ???? ??? ????? ?????.

// Domain Models
@Getter @Setter
@Entity
public class Package {
    @Id
    private String id;
    private String name;
    private BigDecimal price;
    private BigDecimal providerCost;
    private String description;
    private boolean active;
}

@Getter @Setter
@Entity
public class Order {
    @Id
    private String id;
    private String customerId;
    private String packageId;
    private String reservationId;
    private String paymentId;
    private String escrowId;
    private OrderStatus status;
    private BigDecimal amount;
    private BigDecimal providerCost;
    private LocalDateTime createdAt;
    private LocalDateTime updatedAt;
}

@Getter @Setter
@Entity
public class QuotaReservation {
    @Id
    private String id;
    private String packageId;
    private LocalDateTime expiresAt;
    private ReservationStatus status;
}

// Enums
public enum OrderStatus {
    CREATED, RESERVED, PAYMENT_PENDING, PAYMENT_COMPLETED, 
    IN_ESCROW, ACTIVATING, ACTIVATION_FAILED, COMPLETED, REFUNDED
}

public enum ReservationStatus {
    ACTIVE, EXPIRED, USED, CANCELLED
}
?? ????? ??

? ???? ?? ??? ???? ???? ???? ?? ???? ?? ?????? ?? ???? ??? ???? ? ???? ??? ???.

1. ???Payment(PaymentRequest ??):
  • ?? ????? ???? ????? ?????. ?? ?? ????? ?? ?? ?????? ??? ????.
  • ?? URL ? ?? ??? ?? ??? ??? PaymentSession ??? ?????.
2.holdInEscrow(String PaymentId):
  • ? ??? ??? ?? ID? ???? ???? ???? ??? ?????.
  • ???? ??? ?? ?? ????? ??? EscrowResponse ??? ?????.
3. releaseToProvider(??? ???? ID):
  • ???? ????? ???? ? ???? ??? ??? ????? ???? ?????.
  • ???? ID? ??? ??? ???? ???? ? ?????.
4. ???? ??(??? ???? ID):
  • ??? ??? ?? ? ??? ???? ?? ? ??? ???? ????? ??? ???? ?? ??? ? ????.
  • ?? ???? ???? ID? ?????.
?? ??:
  • ???? WebClient? ???? ?? ?????? REST API? HTTP ??? ?? ??? ??? ?????.
  • ?? ??, ???? ??, ?? ?? ? ??? ??? ?????.
  • ?? ???? ??? ??(.block()? ??)? ???? ?? ???? ?? ??? ?????? ???? ???? ?????.

? ??? ????? ???? ???? ?? ??? ???? ? ??? ??? ?? ?????.

// Domain Models
@Getter @Setter
@Entity
public class Package {
    @Id
    private String id;
    private String name;
    private BigDecimal price;
    private BigDecimal providerCost;
    private String description;
    private boolean active;
}

@Getter @Setter
@Entity
public class Order {
    @Id
    private String id;
    private String customerId;
    private String packageId;
    private String reservationId;
    private String paymentId;
    private String escrowId;
    private OrderStatus status;
    private BigDecimal amount;
    private BigDecimal providerCost;
    private LocalDateTime createdAt;
    private LocalDateTime updatedAt;
}

@Getter @Setter
@Entity
public class QuotaReservation {
    @Id
    private String id;
    private String packageId;
    private LocalDateTime expiresAt;
    private ReservationStatus status;
}

// Enums
public enum OrderStatus {
    CREATED, RESERVED, PAYMENT_PENDING, PAYMENT_COMPLETED, 
    IN_ESCROW, ACTIVATING, ACTIVATION_FAILED, COMPLETED, REFUNDED
}

public enum ReservationStatus {
    ACTIVE, EXPIRED, USED, CANCELLED
}
?? DTO
1. ??? ??:
  • ?? ??? ?? ??? ?? ????? ?????. ???? ??? ?????.
    • ?? ??? ???(?? ??)
    • ??? ??
    • ??? ???? ??? ID???.
    • ???? ????? ?? ?? ???(templateData)
2. SMS ??:
  • ??? ??? ????? SMS? ?? ???????. ???? ??? ?????.
    • ?? ??? ????(phoneNumber)???.
    • ??? ??? ??? ID???.
    • ???? ?? ?? ???(templateData)
?? ???

? ???? ?? ??? ?? ????? ???? ?? ??? ?????. ?? ??? ??? ????.

1.?? ?? ???(?? ??):
  • ? ??? ?? ?? ??? ?????. ??? ?????:
    • buildSuccessEmail? ???? ??? ??? ?????.
    • buildSuccessSms? ???? SMS ??? ?????.
    • ?? QuotaWebSocketHandler? ???? WebSocket? ?? ??? ????? ????.
2. sendFailureNotification(?? ??):
  • ??? ?? ??? ?????. ??? ?????:
    • ??? ???? buildFailureEmail.
    • SMS ???? buildFailureSms.
    • ?? ??? ????? WebSocket ????? ????.
3. ??? ??:
  • buildSuccessEmail ? buildFailureEmail: ? ???? ??? ?? ??? ?? ??? ??? ?????. ???? ?? ????? ?????.
  • buildSuccessSms ? buildFailureSms: ??? ??? ????? SMS ??????.
?? ??:
  • WebSocket ????: QuotaWebSocketHandler? ???? ?????? ????? ???????.
  • ?? ??: ??? ???? ???? ?? ??? ?????.

? ???? ?? ???? ???, SMS ?? ??? ????? ?? ?? ??? ?? ??? ?? ? ????.

// Domain Models
@Getter @Setter
@Entity
public class Package {
    @Id
    private String id;
    private String name;
    private BigDecimal price;
    private BigDecimal providerCost;
    private String description;
    private boolean active;
}

@Getter @Setter
@Entity
public class Order {
    @Id
    private String id;
    private String customerId;
    private String packageId;
    private String reservationId;
    private String paymentId;
    private String escrowId;
    private OrderStatus status;
    private BigDecimal amount;
    private BigDecimal providerCost;
    private LocalDateTime createdAt;
    private LocalDateTime updatedAt;
}

@Getter @Setter
@Entity
public class QuotaReservation {
    @Id
    private String id;
    private String packageId;
    private LocalDateTime expiresAt;
    private ReservationStatus status;
}

// Enums
public enum OrderStatus {
    CREATED, RESERVED, PAYMENT_PENDING, PAYMENT_COMPLETED, 
    IN_ESCROW, ACTIVATING, ACTIVATION_FAILED, COMPLETED, REFUNDED
}

public enum ReservationStatus {
    ACTIVE, EXPIRED, USED, CANCELLED
}
QuotaUpdate ???
  • ? ???? ??? ????? ?? ??? ???? ?????. ???? ? ?? ?? ??? ?????.
    • packageId: ?????? ???? ID???.
    • availableQuota: ? ???? ?? ??????.
    • ?????: ????? ???? ??.
??? ??
1. ??? ??:
  • WebSocket ??? ???? ?? ?????.
  • /ws/quota?? WebSocket ??? ???? ?? ???(quotaWebSocketHandler)? ?????.
  • allowedOrigins("*")? ???? ?? ?????? ??? ?????.
2. ???WebSocketHandler():
  • ?? ?? ???? ??? ???? WebSocket ??? Bean? ?????.
???WebSocketHandler

?? WebSocket ??? ???? ????! ??? ????? ?? ??? ????? ?????.

1. ??:
  • PackageCacheService: ???? ????? ??? ?? ??? ?????? ? ??? ???.
  • ObjectMapper: JSON ????? Java ??? ?? ? ??? ???? ??? ?????.
  • ??: ?? ?? WebSocket ??(?? ??? ?????)? ?????.
2. ??:
  • afterConnection??(WebSocketSession ??):
    • ?????? ? ????? ??? ?? ??? ?????.
  • afterConnectionClosed(WebSocketSession ??, CloseStatus ??):
    • ??? ???? ????? ??? ?????.
  • handlerTextMessage(WebSocketSession ??, TextMessage ???):
    • ?? ???? ?????.
    • ??? JSON? QuotaUpdate ??? ???? ?? ??? ???????.
3. sendOrderUpdate(?? ??):
  • ??? ?? ???? ?? ??? ?? ??? ????? ????.
  • Order ??? JSON?? ???? ?? WebSocket ??? ???? ????.
  • ?? ??? ????? ??? ???.
??? ?? ??:
  • ??? ????:
    • ??? ?? ? ?? ????? ?? ???? ?? ????.
  • ?????? ??? ??:
    • ConcurrentHashSet? ???? ??? ?????? ????? ?? ?????? ????? ?? ? ??? ???? ????.
  • ?? ??:
    • ??? ??? ??? ?? ? ??? ???? ??? ? ?? ??? ? ????.

? ??? ???? ????? ?? ???? ???? ??? ????? ???? ?? ??? ??? ? ?? ??? ?? ?? ??? ?? ? ????.

// Domain Models
@Getter @Setter
@Entity
public class Package {
    @Id
    private String id;
    private String name;
    private BigDecimal price;
    private BigDecimal providerCost;
    private String description;
    private boolean active;
}

@Getter @Setter
@Entity
public class Order {
    @Id
    private String id;
    private String customerId;
    private String packageId;
    private String reservationId;
    private String paymentId;
    private String escrowId;
    private OrderStatus status;
    private BigDecimal amount;
    private BigDecimal providerCost;
    private LocalDateTime createdAt;
    private LocalDateTime updatedAt;
}

@Getter @Setter
@Entity
public class QuotaReservation {
    @Id
    private String id;
    private String packageId;
    private LocalDateTime expiresAt;
    private ReservationStatus status;
}

// Enums
public enum OrderStatus {
    CREATED, RESERVED, PAYMENT_PENDING, PAYMENT_COMPLETED, 
    IN_ESCROW, ACTIVATING, ACTIVATION_FAILED, COMPLETED, REFUNDED
}

public enum ReservationStatus {
    ACTIVE, EXPIRED, USED, CANCELLED
}

??? ??? ??? ?? ?? ???? ?? ??? ???? ?? ?? ????? ???? ? ???? ?????.

QuotaNotAvailableException:

  • ? ??? ???? ???? ????? ????? ?? ???? ?? ???? ?? ??? ??? ?????.
  • "??? ???? ??? ? ????."?? ??? ?? ???? ?? ????? ???? ??? ?? ??? ???? ??? ? ????.

OrderNotFoundException:

  • ? ??? ???? ??? ?? ID? ???? ??? ?? ? ?? ? ?????.
  • '??? ?? ? ??: [orderId]'? ?? ??? ?? ???? ???? ?? ?? ??? ???????? ?? ??? ? ????.

?? ?? ??:

  • ?? ??? ??? ?? ??(??? ???? ??? ?? ??? ???? ? ??) ? ??? ?????.
  • ?? ???? ??? ? ?? ?? ?? ??? ???? ????? ?????.

??? ??? ?????? ???? ???? ?? ??? ???? ??? ?????. ?? ?? ???? ??? ???? ??? ?? ??? ??? ???? ? ???? ???? ?? ??? ???? ?? ? ????.

// Request/Response DTOs
@Getter @Setter
public class OrderRequest {
    private String customerId;
    private String packageId;
    private BigDecimal amount;
}

@Getter @Setter
public class PaymentCallback {
    private String orderId;
    private String paymentId;
    private String status;
    private BigDecimal amount;
    private LocalDateTime timestamp;
}

@Getter @Setter
public class QuotaResponse {
    private String packageId;
    private boolean available;
    private Integer remainingQuota;
    private LocalDateTime timestamp;
}

@Getter @Setter
public class ReservationResponse {
    private String id;
    private String packageId;
    private LocalDateTime expiresAt;
    private ReservationStatus status;
}

@Getter @Setter
public class ActivationResponse {
    private String orderId;
    private boolean success;
    private String activationId;
    private String errorCode;
    private String errorMessage;
}

@Getter @Setter
public class VerificationResponse {
    private String orderId;
    private String activationId;
    private boolean success;
    private String status;
    private LocalDateTime activatedAt;
}

@Getter @Setter
public class PaymentRequest {
    private String orderId;
    private BigDecimal amount;
    private String currency;
    private String customerId;
    private String returnUrl;
    private String callbackUrl;
}

@Getter @Setter
public class PaymentSession {
    private String sessionId;
    private String paymentUrl;
    private LocalDateTime expiresAt;
    private String status;
}

@Getter @Setter
public class EscrowResponse {
    private String id;
    private String paymentId;
    private BigDecimal amount;
    private String status;
    private LocalDateTime createdAt;
}

OrderService ???? ?? ??? ??? ??? ??? ?????. ?? ??? ??? ???????.

?? ??

  1. createOrder(?? ?? ??):

    • ? ??? ? ????? ??? ????. ???? ?? ???? ????, ?? ??? ????, ???? ????, RESERVED? ?? ??? ??????? ??? ?????.

  2. processPayment(??? orderId, PaymentCallback ??):

    • ??? ??? ?????. ???? ?? ????? ???? ??? ?????? ?? ??? ????? ?? ??? ??? ????? ?????. ??? ???? ???? ??? ?????.

  3. verifyActivation(?? ??):

    • ??? ???? ???? ?????? ?? ?? ???? ?????. ?? 3??? ???? ??? ??? ?? ???? ?? ??? ?????.

  4. completeOrder(?? ??):

    • ?? ?? ???? ? ???? ??? ?????. ???? ??? ????? ????? ??? ?????? ????? ??? ????.

  5. handleActivationFailure(?? ??):

    • ???? ??? ?? ? ??? ???? ??? ??? ?? ??? ?????? ??? ?? ? ????.

  6. getOrder(??? ?? ID):

    • ? ??? ??? ID? ??? ?????. ??? ???? ??? ?? ??? ?????.
???? ??
  • ???? ?? ??? ????? ????? ????? ?????.
  • ??? ?? ?? ? ??? ??? ??? ?? ?? ??? ??? ?? ?????.
  • ??? ?? ???? ?? ???? ?? ??? ?? ? ????.

? ???? ?? ?? ????? ???? ??? ??? ??? ?? ?? ?? ??? ????.

// Domain Models
@Getter @Setter
@Entity
public class Package {
    @Id
    private String id;
    private String name;
    private BigDecimal price;
    private BigDecimal providerCost;
    private String description;
    private boolean active;
}

@Getter @Setter
@Entity
public class Order {
    @Id
    private String id;
    private String customerId;
    private String packageId;
    private String reservationId;
    private String paymentId;
    private String escrowId;
    private OrderStatus status;
    private BigDecimal amount;
    private BigDecimal providerCost;
    private LocalDateTime createdAt;
    private LocalDateTime updatedAt;
}

@Getter @Setter
@Entity
public class QuotaReservation {
    @Id
    private String id;
    private String packageId;
    private LocalDateTime expiresAt;
    private ReservationStatus status;
}

// Enums
public enum OrderStatus {
    CREATED, RESERVED, PAYMENT_PENDING, PAYMENT_COMPLETED, 
    IN_ESCROW, ACTIVATING, ACTIVATION_FAILED, COMPLETED, REFUNDED
}

public enum ReservationStatus {
    ACTIVE, EXPIRED, USED, CANCELLED
}

OrderController ???? ????? ??? ???? REST API ?????? ?????. Think? ??? ?? ?????? ??? ??? ???? ??? ??? ??? ?? ??? ???.

?? ??

  1. POST /api/orders(createOrder):

    • ? ?????? ? ?? ??? ?????.
    • ??? ??? ????.
      • ???????? OrderRequest? ????.
      • OrderService.createOrder? ???? ??? ???? ??? ?????.
      • ??:
        • ?? ?? ???? ????? ?? ??? ??? ?? 200 OK ??
        • ??? ???? ??? ? ?? ?? 409 ??? ?????.
        • ??? ?? ??? ?? 500 ?? ?? ??? ?????.

  2. POST /api/orders/callback(PaymentCallback ??):

    • ?? ??????? ?? ?? ????? ?????.
    • ??? ??? ????.
      • ?? ?? ????? ??? PaymentCallback? ?????.
      • OrderService.processPayment? ???? ??? ???? ?? ??? ???????.
      • ??? ??? ??? ????.
        • ??? ????? ???? 200 OK
        • 404 ??? ?? ID? ???? ?? ?? ?? ? ????.
        • 422 ?? ??? ???? ?? ?? ??? ? ?? ?????.
        • ??? ?? ??? ?? 500 ?? ?? ??? ??????.

  3. GET /api/orders/{orderId}(getOrder):

    • ? ?????? ID?? ?? ??? ????? ?????.
    • ?? ??? ??? ????.
      • OrderService.getOrder? ???? ??? ?????.
      • ??:
        • ?? ????? ???? 200 OK ??
        • ?? ID? ???? ??? ??? 404 Not Found???.
??
  • ???? ??: OrderController? ?? ???? ??? OrderService? ???? ?? ???? ????? ?????.
  • ??: ?? ????? @Valid ??? ???? ???? ???? ???? ???? ????? ?????.
  • ?? ??:
    • ??? ? ?? ????? ?? ??? ?? ???? ??? ?? ????? ??? ??? ?????.
    • ? ?? ???? ? ??? ?? ??? ?????.
  • ??: ? ?? ???? ?? ???? ??, ??, ?? ???? ?? ?? ???? ?????.

? ????? ?????? ???? ??? ??? ???? ?? ??? ??? ???? ????.

??

? ?? ??? ??? ??, ?? ??, ??? ???? ?? ??? ??? ????? ?? ??? ?? ?? ???? ???? ?? ??? ?????. ? ???? ?? ??? ???? ?? ? ?? ??? ?? ? ?? ??? ????!

??? ? ???? ??? ? ?? ? ?? ???????.

  • ??? ?? ????? ???? ???? ?? ???? ?? ???? ????.
  • ??? ??? ?? ??? ???? ?? ????? ???? ?????.
  • ?? ?? ??? ???? ?? ??? ??? ?? API? ?? ???? ????.
  • ? ?? ??? ? ?? ???? ?? ?? ??? ??? ?????.
  • ?? ???? ???? ?? ??? ??? ???? ?????.
  • ???? ? ??? ???? ??? ??? ???? ???? ?????.
  • ?? ??? ???? ???? ???? ?????.

????? ?? ?????! ? ??? ??? ??? ???? ?? ???? ???? ???? ????? ????. ?? ? ???? ????? ????. ?? ??? ??? ????. ?? ???? ??? ???? ?? ????.

??:

  • ?? ????? SOLID ??? ?? ?? ??
  • ??????? ????? ????? ?????? ??
  • Flash ??? ?? ?? ??? ??? ??
  • Wikipedia? ????

? ??? ??? ??? ?? ??? ??? ?? ?????. ??? ??? PHP ??? ????? ?? ?? ??? ?????!

? ????? ??
? ?? ??? ????? ???? ??? ??????, ???? ?????? ????. ? ???? ?? ???? ?? ??? ?? ????. ???? ??? ???? ???? ??? ?? admin@php.cn?? ?????.

? AI ??

Undresser.AI Undress

Undresser.AI Undress

???? ?? ??? ??? ?? AI ?? ?

AI Clothes Remover

AI Clothes Remover

???? ?? ???? ??? AI ?????.

Video Face Swap

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??? ??? AI ?? ?? ??? ???? ?? ???? ??? ?? ????!

???

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???? ?? ?? ?? ???

SublimeText3 ??? ??

SublimeText3 ??? ??

??? ??, ???? ?? ????.

???? 13.0.1 ???

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??? PHP ?? ?? ??

???? CS6

???? CS6

??? ? ?? ??

SublimeText3 Mac ??

SublimeText3 Mac ??

? ??? ?? ?? ?????(SublimeText3)

???

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