init

backend/app/models/__init__.py

@@ -0,0 +1,5 @@
+from app.models.material import Material
+from app.models.calculation import Calculation
+from app.models.order import Order
+
+__all__ = ["Material", "Calculation", "Order"]

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())

backend/app/models/material.py

@@ -0,0 +1,28 @@
+from sqlalchemy import Boolean, Float, Integer, String, Text, func
+from sqlalchemy.dialects.postgresql import JSONB
+from sqlalchemy.orm import Mapped, mapped_column
+from datetime import datetime
+
+from app.database import Base
+
+
+class Material(Base):
+    __tablename__ = "materials"
+
+    id: Mapped[int] = mapped_column(Integer, primary_key=True)
+    name: Mapped[str] = mapped_column(String(100), nullable=False)
+    category: Mapped[str] = mapped_column(String(50), nullable=False)
+    density_g_cm3: Mapped[float] = mapped_column(Float, nullable=False)
+    price_per_gram: Mapped[float] = mapped_column(Float, nullable=False)
+    flow_rate_mm3_s: Mapped[float] = mapped_column(Float, nullable=False)
+    max_temp_c: Mapped[int | None] = mapped_column(Integer)
+    min_temp_c: Mapped[int | None] = mapped_column(Integer)
+    strength: Mapped[str | None] = mapped_column(String(20))
+    flexibility: Mapped[str | None] = mapped_column(String(20))
+    chemical_resistance: Mapped[str | None] = mapped_column(String(20))
+    uv_resistance: Mapped[str | None] = mapped_column(String(20))
+    food_safe: Mapped[bool] = mapped_column(Boolean, default=False)
+    description: Mapped[str | None] = mapped_column(Text)
+    color_options: Mapped[dict] = mapped_column(JSONB, default=list)
+    is_active: Mapped[bool] = mapped_column(Boolean, default=True)
+    created_at: Mapped[datetime] = mapped_column(default=func.now())

backend/app/models/order.py

@@ -0,0 +1,25 @@
+import uuid
+from sqlalchemy import Float, Integer, String, Text, ForeignKey, func
+from sqlalchemy.dialects.postgresql import UUID
+from sqlalchemy.orm import Mapped, mapped_column
+from datetime import datetime
+
+from app.database import Base
+
+
+class Order(Base):
+    __tablename__ = "orders"
+
+    id: Mapped[int] = mapped_column(Integer, primary_key=True)
+    order_id: Mapped[str] = mapped_column(String(20), unique=True, nullable=False)
+    calculation_id: Mapped[uuid.UUID] = mapped_column(UUID(as_uuid=True), ForeignKey("calculations.id"), nullable=False)
+    client_name: Mapped[str] = mapped_column(String(200), nullable=False)
+    client_phone: Mapped[str] = mapped_column(String(20), nullable=False)
+    client_email: Mapped[str | None] = mapped_column(String(200))
+    client_company: Mapped[str | None] = mapped_column(String(200))
+    delivery_method: Mapped[str] = mapped_column(String(50), default="pickup")
+    comment: Mapped[str | None] = mapped_column(Text)
+    status: Mapped[str] = mapped_column(String(30), default="pending")
+    total_rub: Mapped[float] = mapped_column(Float, nullable=False)
+    created_at: Mapped[datetime] = mapped_column(default=func.now())
+    updated_at: Mapped[datetime] = mapped_column(default=func.now(), onupdate=func.now())