added yokassa

backend/database/models.py

@@ -56,11 +56,17 @@ class Ticket(Base):
     )
     idempotency_key: Mapped[str] = mapped_column(String, unique=True, nullable=True)
     pdf_url: Mapped[str | None] = mapped_column(String, nullable=True)
-    # nullable=True — безопасно для существующих строк; новые билеты получают UUID автоматически
     secret_token: Mapped[str | None] = mapped_column(
         String, unique=True, index=True, nullable=True,
         default=lambda: str(uuid.uuid4()),
     )
+    
+    # --- Поля для эквайринга ---
+    payment_id: Mapped[str | None] = mapped_column(String, index=True, nullable=True)
+    payment_url: Mapped[str | None] = mapped_column(String, nullable=True)
+    expires_at: Mapped[datetime | None] = mapped_column(DateTime(timezone=True), nullable=True)
+    # ---------------------------
+
     created_at: Mapped[datetime] = mapped_column(DateTime(timezone=True), default=lambda: datetime.now(timezone.utc))
     updated_at: Mapped[datetime] = mapped_column(
         DateTime(timezone=True), 
@@ -69,4 +75,4 @@ class Ticket(Base):
     )
 
     seat: Mapped["Seat"] = relationship(back_populates="ticket")
-    user: Mapped["User"] = relationship(back_populates="tickets")
+    user: Mapped["User"] = relationship(back_populates="tickets")