feat: initial commit

backend/app/models/order_item.py

@@ -0,0 +1,71 @@
+import uuid
+from datetime import datetime
+from sqlalchemy import String, DateTime, Enum as SAEnum, ForeignKey, Integer, Boolean, Text
+from sqlalchemy.orm import Mapped, mapped_column, relationship
+from sqlalchemy.dialects.postgresql import UUID, JSONB
+from app.database import Base
+import enum
+
+
+class ItemStatus(str, enum.Enum):
+    pending = "pending"
+    approved = "approved"
+    rejected = "rejected"
+
+
+class AIValidationStatus(str, enum.Enum):
+    not_started = "not_started"
+    pending = "pending"
+    completed = "completed"
+    failed = "failed"
+
+
+class OrderItem(Base):
+    __tablename__ = "order_items"
+
+    id: Mapped[uuid.UUID] = mapped_column(UUID(as_uuid=True), primary_key=True, default=uuid.uuid4)
+    order_id: Mapped[uuid.UUID] = mapped_column(UUID(as_uuid=True), ForeignKey("orders.id"), nullable=False)
+    row_index: Mapped[int] = mapped_column(Integer, nullable=False)
+
+    # 11 Standard fields (columns 0-10, skip col 5)
+    ebene1: Mapped[str] = mapped_column(String(500), nullable=True)
+    ebene2: Mapped[str] = mapped_column(String(500), nullable=True)
+    baureihe: Mapped[str] = mapped_column(String(500), nullable=True)
+    pim_id: Mapped[str] = mapped_column(String(500), nullable=True)
+    produkt_baureihe: Mapped[str] = mapped_column(String(500), nullable=True)
+    # col 5 is skipped (separator)
+    gewaehltes_produkt: Mapped[str] = mapped_column(String(500), nullable=True)
+    name_cad_modell: Mapped[str] = mapped_column(String(500), nullable=True)
+    gewuenschte_bildnummer: Mapped[str] = mapped_column(String(500), nullable=True)
+    lagertyp: Mapped[str] = mapped_column(String(500), nullable=True)
+    medias_rendering: Mapped[bool] = mapped_column(Boolean, nullable=True)
+
+    # Component pairs (cols 11+): [{part_name, material, component_type, column_index}]
+    components: Mapped[list] = mapped_column(JSONB, nullable=False, default=list)
+
+    # CAD linkage
+    cad_file_id: Mapped[uuid.UUID] = mapped_column(UUID(as_uuid=True), ForeignKey("cad_files.id"), nullable=True)
+    thumbnail_path: Mapped[str] = mapped_column(String(1000), nullable=True)
+    # Material assignments per CAD part: [{part_name, material}]
+    cad_part_materials: Mapped[list] = mapped_column(JSONB, nullable=False, default=list)
+
+    # AI validation
+    ai_validation_status: Mapped[AIValidationStatus] = mapped_column(
+        SAEnum(AIValidationStatus), default=AIValidationStatus.not_started, nullable=False
+    )
+    ai_validation_result: Mapped[dict] = mapped_column(JSONB, nullable=True)
+
+    item_status: Mapped[ItemStatus] = mapped_column(SAEnum(ItemStatus), default=ItemStatus.pending, nullable=False)
+    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)
+
+    order: Mapped["Order"] = relationship("Order", back_populates="items")
+    cad_file: Mapped["CadFile"] = relationship("CadFile", back_populates="order_items")
+
+    @property
+    def cad_parsed_objects(self) -> list[str] | None:
+        """Part names extracted from the linked STEP file, for Pydantic serialization."""
+        if self.cad_file and self.cad_file.parsed_objects:
+            return self.cad_file.parsed_objects.get("objects") or []
+        return None