feat: Freelancer Match — AI-матчинг, escrow, milestones, portfolio, skill-tests, verification

backend/app/models/escrow.py

@@ -0,0 +1,23 @@
+"""Модель Escrow-транзакций (гарант)."""
+
+import uuid
+from datetime import datetime, timezone
+
+from sqlalchemy import Column, DateTime, Enum, Float, ForeignKey, func
+from sqlalchemy.dialects.postgresql import UUID as PG_UUID
+from sqlalchemy.orm import Mapped, mapped_column, relationship
+
+from app.core.database import Base
+
+
+class EscrowTransaction(Base):
+    __tablename__ = "escrow_transactions"
+
+    id: Mapped[uuid.UUID] = mapped_column(PG_UUID(as_uuid=True), primary_key=True, default=uuid.uuid4)
+    project_id: Mapped[uuid.UUID] = mapped_column(PG_UUID(as_uuid=True), ForeignKey("projects.id"), nullable=False)
+    client_id: Mapped[uuid.UUID] = mapped_column(PG_UUID(as_uuid=True), ForeignKey("users.id"), nullable=False)
+    freelancer_id: Mapped[uuid.UUID] = mapped_column(PG_UUID(as_uuid=True), ForeignKey("users.id"), nullable=False)
+    amount: Mapped[float] = mapped_column(Float(precision=10, scale=2), nullable=False)
+    status: Mapped[str] = mapped_column(Enum("pending", "locked", "released", "disputed", "refunded"), default="pending")
+    released_at: Mapped[datetime | None] = mapped_column(DateTime(timezone=True))
+    created_at: Mapped[datetime] = mapped_column(DateTime(timezone=True), server_default=func.now())