Add models and routes for costs, consumption, equipment, maintenance, and production; implement CRUD operations and unit tests

routes/costs.py

@@ -0,0 +1,75 @@
+from fastapi import APIRouter, Depends, HTTPException
+from sqlalchemy.orm import Session
+from typing import List, Optional
+from pydantic import BaseModel
+from config.database import SessionLocal
+from models.capex import Capex
+from models.opex import Opex
+
+router = APIRouter(prefix="/api/costs", tags=["Costs"])
+
+
+def get_db():
+    db = SessionLocal()
+    try:
+        yield db
+    finally:
+        db.close()
+
+
+# Pydantic schemas for Capex
+class CapexCreate(BaseModel):
+    scenario_id: int
+    amount: float
+    description: Optional[str] = None
+
+
+class CapexRead(CapexCreate):
+    id: int
+
+    class Config:
+        orm_mode = True
+
+
+# Pydantic schemas for Opex
+class OpexCreate(BaseModel):
+    scenario_id: int
+    amount: float
+    description: Optional[str] = None
+
+
+class OpexRead(OpexCreate):
+    id: int
+
+    class Config:
+        orm_mode = True
+
+
+# Capex endpoints
+@router.post("/capex", response_model=CapexRead)
+def create_capex(item: CapexCreate, db: Session = Depends(get_db)):
+    db_item = Capex(**item.dict())
+    db.add(db_item)
+    db.commit()
+    db.refresh(db_item)
+    return db_item
+
+
+@router.get("/capex", response_model=List[CapexRead])
+def list_capex(db: Session = Depends(get_db)):
+    return db.query(Capex).all()
+
+
+# Opex endpoints
+@router.post("/opex", response_model=OpexRead)
+def create_opex(item: OpexCreate, db: Session = Depends(get_db)):
+    db_item = Opex(**item.dict())
+    db.add(db_item)
+    db.commit()
+    db.refresh(db_item)
+    return db_item
+
+
+@router.get("/opex", response_model=List[OpexRead])
+def list_opex(db: Session = Depends(get_db)):
+    return db.query(Opex).all()