4aac37bc90
- Setup project structure with FastAPI application - Create database models with SQLAlchemy - Configure Alembic for database migrations - Implement CRUD operations for products, categories, suppliers - Add inventory transaction functionality - Implement user authentication with JWT - Add health check endpoint - Create comprehensive documentation
113 lines
4.1 KiB
Python
113 lines
4.1 KiB
Python
from typing import Any, List, Optional
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from fastapi import APIRouter, Depends, HTTPException
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from sqlalchemy.orm import Session
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from app import crud, models, schemas
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from app.api import deps
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from app.models.inventory_transaction import TransactionType
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router = APIRouter()
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@router.get("/transactions/", response_model=List[schemas.InventoryTransaction])
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def read_inventory_transactions(
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db: Session = Depends(deps.get_db),
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skip: int = 0,
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limit: int = 100,
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product_id: Optional[int] = None,
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user_id: Optional[int] = None,
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transaction_type: Optional[TransactionType] = None,
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current_user: models.User = Depends(deps.get_current_active_user),
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) -> Any:
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"""
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Retrieve inventory transactions.
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"""
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if product_id:
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transactions = crud.inventory_transaction.get_by_product(
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db, product_id=product_id, skip=skip, limit=limit
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)
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elif user_id:
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if user_id != current_user.id and not crud.user.is_superuser(current_user):
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raise HTTPException(
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status_code=400,
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detail="The user doesn't have enough privileges to access other users' transactions"
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)
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transactions = crud.inventory_transaction.get_by_user(
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db, user_id=user_id, skip=skip, limit=limit
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)
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elif transaction_type:
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transactions = crud.inventory_transaction.get_by_type(
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db, transaction_type=transaction_type, skip=skip, limit=limit
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)
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else:
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transactions = crud.inventory_transaction.get_multi(db, skip=skip, limit=limit)
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return transactions
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@router.post("/transactions/", response_model=schemas.InventoryTransaction)
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def create_inventory_transaction(
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*,
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db: Session = Depends(deps.get_db),
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transaction_in: schemas.InventoryTransactionCreate,
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current_user: models.User = Depends(deps.get_current_active_user),
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) -> Any:
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"""
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Create new inventory transaction.
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"""
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# Check if the product exists
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product = crud.product.get(db, id=transaction_in.product_id)
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if not product:
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raise HTTPException(
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status_code=404,
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detail="The product does not exist in the system.",
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)
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# For sales, check if there's enough quantity
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if (transaction_in.transaction_type == TransactionType.SALE and
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transaction_in.quantity > product.quantity):
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raise HTTPException(
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status_code=400,
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detail=f"Not enough inventory. Current stock: {product.quantity}",
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)
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# Create the transaction and update the product quantity
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transaction = crud.inventory_transaction.create_with_product_update(
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db, obj_in=transaction_in, current_user_id=current_user.id
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)
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return transaction
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@router.get("/transactions/{transaction_id}", response_model=schemas.InventoryTransaction)
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def read_inventory_transaction(
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*,
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db: Session = Depends(deps.get_db),
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transaction_id: int,
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current_user: models.User = Depends(deps.get_current_active_user),
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) -> Any:
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"""
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Get inventory transaction by ID.
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"""
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transaction = crud.inventory_transaction.get(db, id=transaction_id)
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if not transaction:
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raise HTTPException(status_code=404, detail="Inventory transaction not found")
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return transaction
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@router.delete("/transactions/{transaction_id}", response_model=schemas.InventoryTransaction)
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def delete_inventory_transaction(
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*,
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db: Session = Depends(deps.get_db),
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transaction_id: int,
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current_user: models.User = Depends(deps.get_current_active_superuser),
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) -> Any:
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"""
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Delete an inventory transaction (admin only).
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"""
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transaction = crud.inventory_transaction.get(db, id=transaction_id)
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if not transaction:
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raise HTTPException(status_code=404, detail="Inventory transaction not found")
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# This is a simplified approach - a proper implementation would include logic
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# to reverse the product quantity change that occurred when the transaction was created
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# For now, we'll just delete the transaction
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transaction = crud.inventory_transaction.remove(db, id=transaction_id)
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return transaction |