be0ae5f3b3
- Create project structure with FastAPI and SQLAlchemy - Implement database models for items, categories, suppliers, and stock movements - Add CRUD operations for all models - Configure Alembic for database migrations - Create RESTful API endpoints for inventory management - Add health endpoint for system monitoring - Update README with setup and usage instructions generated with BackendIM... (backend.im)
72 lines
2.4 KiB
Python
72 lines
2.4 KiB
Python
from sqlalchemy.orm import Session
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from fastapi import HTTPException, status
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from app.models.item import Item
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from app.schemas.item import ItemCreate, ItemUpdate
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def get_items(db: Session, skip: int = 0, limit: int = 100, category_id: int = None,
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supplier_id: int = None, include_inactive: bool = False):
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query = db.query(Item)
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if category_id:
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query = query.filter(Item.category_id == category_id)
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if supplier_id:
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query = query.filter(Item.supplier_id == supplier_id)
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if not include_inactive:
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query = query.filter(Item.is_active == True)
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return query.offset(skip).limit(limit).all()
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def get_item(db: Session, item_id: int):
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return db.query(Item).filter(Item.id == item_id).first()
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def get_item_by_sku(db: Session, sku: str):
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return db.query(Item).filter(Item.sku == sku).first()
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def create_item(db: Session, item: ItemCreate):
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existing_item = get_item_by_sku(db, item.sku)
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if existing_item:
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raise HTTPException(status_code=status.HTTP_400_BAD_REQUEST, detail="Item with this SKU already exists")
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db_item = Item(**item.model_dump())
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db.add(db_item)
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db.commit()
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db.refresh(db_item)
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return db_item
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def update_item(db: Session, item_id: int, item: ItemUpdate):
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db_item = get_item(db, item_id)
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if not db_item:
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raise HTTPException(status_code=status.HTTP_404_NOT_FOUND, detail="Item not found")
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update_data = item.model_dump(exclude_unset=True)
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for key, value in update_data.items():
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setattr(db_item, key, value)
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db.commit()
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db.refresh(db_item)
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return db_item
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def delete_item(db: Session, item_id: int):
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db_item = get_item(db, item_id)
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if not db_item:
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raise HTTPException(status_code=status.HTTP_404_NOT_FOUND, detail="Item not found")
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db_item.is_active = False
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db.commit()
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return {"message": "Item deleted successfully"}
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def update_item_quantity(db: Session, item_id: int, quantity_change: int):
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db_item = get_item(db, item_id)
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if not db_item:
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raise HTTPException(status_code=status.HTTP_404_NOT_FOUND, detail="Item not found")
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new_quantity = db_item.quantity + quantity_change
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if new_quantity < 0:
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raise HTTPException(status_code=status.HTTP_400_BAD_REQUEST, detail="Insufficient stock")
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db_item.quantity = new_quantity
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db.commit()
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db.refresh(db_item)
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return db_item |