feat: initial commit

backend/app/models/order.py

@@ -0,0 +1,42 @@
+import uuid
+from datetime import datetime
+from decimal import Decimal
+from sqlalchemy import String, DateTime, Enum as SAEnum, ForeignKey, Text, Integer, Numeric
+from sqlalchemy.orm import Mapped, mapped_column, relationship
+from sqlalchemy.dialects.postgresql import UUID
+from app.database import Base
+import enum
+
+
+class OrderStatus(str, enum.Enum):
+    draft = "draft"
+    submitted = "submitted"
+    processing = "processing"
+    completed = "completed"
+    rejected = "rejected"
+
+
+class Order(Base):
+    __tablename__ = "orders"
+
+    id: Mapped[uuid.UUID] = mapped_column(UUID(as_uuid=True), primary_key=True, default=uuid.uuid4)
+    order_number: Mapped[str] = mapped_column(String(50), unique=True, nullable=False, index=True)
+    template_id: Mapped[uuid.UUID] = mapped_column(UUID(as_uuid=True), ForeignKey("templates.id"), nullable=True)
+    status: Mapped[OrderStatus] = mapped_column(SAEnum(OrderStatus), default=OrderStatus.draft, nullable=False)
+    created_by: Mapped[uuid.UUID] = mapped_column(UUID(as_uuid=True), ForeignKey("users.id"), nullable=False)
+    source_excel: Mapped[str] = mapped_column(String(1000), nullable=True)
+    notes: Mapped[str] = mapped_column(Text, nullable=True)
+    created_at: Mapped[datetime] = mapped_column(DateTime, default=datetime.utcnow, nullable=False)
+    updated_at: Mapped[datetime] = mapped_column(DateTime, default=datetime.utcnow, onupdate=datetime.utcnow, nullable=False)
+    submitted_at: Mapped[datetime | None] = mapped_column(DateTime, nullable=True)
+    processing_started_at: Mapped[datetime | None] = mapped_column(DateTime, nullable=True)
+    completed_at: Mapped[datetime | None] = mapped_column(DateTime, nullable=True)
+    rejected_at: Mapped[datetime | None] = mapped_column(DateTime, nullable=True)
+    estimated_price: Mapped[Decimal | None] = mapped_column(Numeric(12, 2), nullable=True)
+
+    template: Mapped["Template"] = relationship("Template", back_populates="orders")
+    created_by_user: Mapped["User"] = relationship("User", back_populates="orders", foreign_keys=[created_by])
+    items: Mapped[list["OrderItem"]] = relationship("OrderItem", back_populates="order", cascade="all, delete-orphan")
+    lines: Mapped[list["OrderLine"]] = relationship(
+        "OrderLine", back_populates="order", cascade="all, delete-orphan"
+    )