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

backend/app/models/project.py

@@ -0,0 +1,47 @@
+"""Модели проектов и заявок."""
+
+import uuid
+from datetime import datetime, timezone
+
+from sqlalchemy import Column, DateTime, Enum, Float, ForeignKey, Integer, String, Text, 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 Project(Base):
+    __tablename__ = "projects"
+
+    id: Mapped[uuid.UUID] = mapped_column(PG_UUID(as_uuid=True), primary_key=True, default=uuid.uuid4)
+    client_id: Mapped[uuid.UUID] = mapped_column(PG_UUID(as_uuid=True), ForeignKey("users.id"), nullable=False)
+    title: Mapped[str] = mapped_column(String(255), nullable=False)
+    description: Mapped[str] = mapped_column(Text, nullable=False)
+    category: Mapped[str | None] = mapped_column(String(100))
+    required_skills: Mapped[list] = mapped_column("required_skills", postgresql.JSONB, default=list)
+    skill_embeddings: Mapped[list | None] = mapped_column("skill_embeddings")  # pgvector
+    budget_min: Mapped[float | None] = mapped_column(Float(precision=10, scale=2))
+    budget_max: Mapped[float | None] = mapped_column(Float(precision=10, scale=2))
+    status: Mapped[str] = mapped_column(Enum("open", "in_progress", "completed", "cancelled"), default="open")
+    deadline: Mapped[datetime | None] = mapped_column(DateTime(timezone=True))
+    created_at: Mapped[datetime] = mapped_column(DateTime(timezone=True), server_default=func.now())
+    updated_at: Mapped[datetime] = mapped_column(DateTime(timezone=True), onupdate=func.now())
+
+    # Relationships
+    client = relationship("User", foreign_keys=[client_id])
+    proposals: Mapped[list["Proposal"]] = relationship(back_populates="project")
+
+
+class Proposal(Base):
+    __tablename__ = "proposals"
+
+    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)
+    freelancer_id: Mapped[uuid.UUID] = mapped_column(PG_UUID(as_uuid=True), ForeignKey("users.id"), nullable=False)
+    cover_letter: Mapped[str | None] = mapped_column(Text)
+    proposed_price: Mapped[float | None] = mapped_column(Float(precision=10, scale=2))
+    estimated_days: Mapped[int | None] = mapped_column(Integer)
+    status: Mapped[str] = mapped_column(Enum("pending", "accepted", "rejected"), default="pending")
+    created_at: Mapped[datetime] = mapped_column(DateTime(timezone=True), server_default=func.now())
+
+    project: Mapped["Project"] = relationship(back_populates="proposals")