init

backend/app/models/calculation.py

@@ -0,0 +1,34 @@
+import uuid
+from sqlalchemy import Float, Integer, String, Boolean, ForeignKey, func
+from sqlalchemy.dialects.postgresql import JSONB, UUID
+from sqlalchemy.orm import Mapped, mapped_column
+from datetime import datetime
+
+from app.database import Base
+
+
+class Calculation(Base):
+    __tablename__ = "calculations"
+
+    id: Mapped[uuid.UUID] = mapped_column(UUID(as_uuid=True), primary_key=True, default=uuid.uuid4)
+    file_name: Mapped[str] = mapped_column(String(255), nullable=False)
+    file_format: Mapped[str] = mapped_column(String(10), nullable=False)
+    file_path: Mapped[str | None] = mapped_column(String(500))
+    volume_cm3: Mapped[float] = mapped_column(Float, nullable=False)
+    surface_area_cm2: Mapped[float | None] = mapped_column(Float)
+    bounding_box: Mapped[dict | None] = mapped_column(JSONB)
+    is_watertight: Mapped[bool | None] = mapped_column(Boolean)
+    triangle_count: Mapped[int | None] = mapped_column(Integer)
+    material_id: Mapped[int] = mapped_column(Integer, ForeignKey("materials.id"), nullable=False)
+    infill_percent: Mapped[int] = mapped_column(Integer, default=30)
+    layer_height_mm: Mapped[float] = mapped_column(Float, default=0.2)
+    quantity: Mapped[int] = mapped_column(Integer, default=1)
+    post_processing: Mapped[dict] = mapped_column(JSONB, default=list)
+    weight_grams: Mapped[float | None] = mapped_column(Float)
+    material_cost_rub: Mapped[float | None] = mapped_column(Float)
+    time_cost_rub: Mapped[float | None] = mapped_column(Float)
+    print_time_hours: Mapped[float | None] = mapped_column(Float)
+    post_processing_cost_rub: Mapped[float | None] = mapped_column(Float)
+    total_rub: Mapped[float | None] = mapped_column(Float)
+    estimated_days: Mapped[int | None] = mapped_column(Integer)
+    created_at: Mapped[datetime] = mapped_column(default=func.now())