init

backend/app/schemas/calculate.py

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+from pydantic import BaseModel, Field
+
+
+class BoundingBox(BaseModel):
+    x: float
+    y: float
+    z: float
+
+
+class FileInfoResponse(BaseModel):
+    filename: str
+    format: str
+    volume_cm3: float
+    surface_area_cm2: float
+    bounding_box_mm: BoundingBox
+    is_watertight: bool
+    triangle_count: int
+
+
+class MaterialInfo(BaseModel):
+    id: int
+    name: str
+    density_g_cm3: float
+    price_per_gram: float
+
+
+class CalculationResult(BaseModel):
+    material: MaterialInfo
+    weight_grams: float
+    material_cost_rub: float
+    print_time_hours: float
+    time_cost_rub: float
+    post_processing_cost_rub: float
+    subtotal_rub: float
+    quantity: int
+    quantity_discount_percent: int
+    total_rub: float
+    estimated_days: int
+
+
+class CalculateResponse(BaseModel):
+    success: bool = True
+    calculation_id: str
+    file_info: FileInfoResponse
+    calculation: CalculationResult
+
+
+class AdvisorRequest(BaseModel):
+    task_description: str
+    budget_preference: str = "optimal"
+    file_info: dict | None = None
+
+
+class AdvisorAlternative(BaseModel):
+    material_id: int
+    name: str
+    why: str
+
+
+class AdvisorResponse(BaseModel):
+    recommended_material_id: int
+    recommended_material_name: str
+    reasoning: str
+    alternatives: list[AdvisorAlternative] = []
+    questions: list[str] = []