init

backend/app/routers/materials.py

@@ -0,0 +1,52 @@
+import logging
+
+from fastapi import APIRouter, Depends
+from sqlalchemy import select
+from sqlalchemy.ext.asyncio import AsyncSession
+
+from app.database import get_db
+from app.models.material import Material
+from app.schemas.material import MaterialResponse, MaterialProperties
+
+logger = logging.getLogger("app.routers.materials")
+
+router = APIRouter()
+
+
+@router.get("/materials", response_model=list[MaterialResponse])
+async def get_materials(db: AsyncSession = Depends(get_db)):
+    logger.info("GET /api/materials")
+
+    result = await db.execute(select(Material).where(Material.is_active == True).order_by(Material.id))
+    materials = result.scalars().all()
+    logger.info("Found %d active materials", len(materials))
+
+    response = [
+        MaterialResponse(
+            id=m.id,
+            name=m.name,
+            category=m.category,
+            price_per_gram=m.price_per_gram,
+            density_g_cm3=m.density_g_cm3,
+            flow_rate_mm3_s=m.flow_rate_mm3_s,
+            properties=MaterialProperties(
+                max_temp_c=m.max_temp_c,
+                min_temp_c=m.min_temp_c,
+                strength=m.strength,
+                flexibility=m.flexibility,
+                chemical_resistance=m.chemical_resistance,
+                uv_resistance=m.uv_resistance,
+                food_safe=m.food_safe,
+            ),
+            description=m.description,
+            color_options=m.color_options or [],
+        )
+        for m in materials
+    ]
+
+    for m in materials:
+        logger.debug("  Material: id=%d, name=%s, category=%s, price=%.1f RUB/g",
+                      m.id, m.name, m.category, m.price_per_gram)
+
+    logger.info("Returning %d materials", len(response))
+    return response