mirror of
https://github.com/dat515-2025/Group-8.git
synced 2026-03-22 06:57:47 +01:00
975f5e5bec
Better error message Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
217 lines
7.4 KiB
Python
217 lines
7.4 KiB
Python
from typing import List, Optional
|
|
|
|
from fastapi import APIRouter, Depends, HTTPException, status
|
|
from sqlalchemy import select
|
|
from sqlalchemy.ext.asyncio import AsyncSession
|
|
|
|
from app.models.transaction import Transaction
|
|
from app.models.categories import Category
|
|
from app.schemas.transaction import (
|
|
TransactionCreate,
|
|
TransactionRead,
|
|
TransactionUpdate,
|
|
)
|
|
from app.services.db import get_async_session
|
|
from app.services.user_service import current_active_user
|
|
from app.models.user import User
|
|
|
|
router = APIRouter(prefix="/transactions", tags=["transactions"])
|
|
|
|
|
|
def _to_read_model(tx: Transaction) -> TransactionRead:
|
|
return TransactionRead(
|
|
id=tx.id,
|
|
amount=tx.amount,
|
|
description=tx.description,
|
|
category_ids=[c.id for c in (tx.categories or [])],
|
|
)
|
|
|
|
|
|
@router.post("/", response_model=TransactionRead, status_code=status.HTTP_201_CREATED)
|
|
async def create_transaction(
|
|
payload: TransactionCreate,
|
|
session: AsyncSession = Depends(get_async_session),
|
|
user: User = Depends(current_active_user),
|
|
):
|
|
tx = Transaction(amount=payload.amount, description=payload.description, user_id=user.id)
|
|
|
|
# Attach categories if provided (and owned by user)
|
|
if payload.category_ids:
|
|
res = await session.execute(
|
|
select(Category).where(
|
|
Category.user_id == user.id, Category.id.in_(payload.category_ids)
|
|
)
|
|
)
|
|
categories = list(res.scalars())
|
|
if len(categories) != len(set(payload.category_ids)):
|
|
raise HTTPException(
|
|
status_code=400,
|
|
detail="Duplicate category IDs provided or one or more categories not found"
|
|
)
|
|
tx.categories = categories
|
|
|
|
session.add(tx)
|
|
await session.commit()
|
|
await session.refresh(tx)
|
|
# Ensure categories are loaded
|
|
await session.refresh(tx, attribute_names=["categories"])
|
|
return _to_read_model(tx)
|
|
|
|
|
|
@router.get("/", response_model=List[TransactionRead])
|
|
async def list_transactions(
|
|
session: AsyncSession = Depends(get_async_session),
|
|
user: User = Depends(current_active_user),
|
|
):
|
|
res = await session.execute(
|
|
select(Transaction).where(Transaction.user_id == user.id).order_by(Transaction.id)
|
|
)
|
|
txs = list(res.scalars())
|
|
# Eagerly load categories for each transaction
|
|
for tx in txs:
|
|
await session.refresh(tx, attribute_names=["categories"])
|
|
return [_to_read_model(tx) for tx in txs]
|
|
|
|
|
|
@router.get("/{transaction_id}", response_model=TransactionRead)
|
|
async def get_transaction(
|
|
transaction_id: int,
|
|
session: AsyncSession = Depends(get_async_session),
|
|
user: User = Depends(current_active_user),
|
|
):
|
|
res = await session.execute(
|
|
select(Transaction).where(
|
|
Transaction.id == transaction_id, Transaction.user_id == user.id
|
|
)
|
|
)
|
|
tx: Optional[Transaction] = res.scalar_one_or_none()
|
|
if not tx:
|
|
raise HTTPException(status_code=404, detail="Transaction not found")
|
|
await session.refresh(tx, attribute_names=["categories"])
|
|
return _to_read_model(tx)
|
|
|
|
|
|
@router.patch("/{transaction_id}", response_model=TransactionRead)
|
|
async def update_transaction(
|
|
transaction_id: int,
|
|
payload: TransactionUpdate,
|
|
session: AsyncSession = Depends(get_async_session),
|
|
user: User = Depends(current_active_user),
|
|
):
|
|
res = await session.execute(
|
|
select(Transaction).where(
|
|
Transaction.id == transaction_id, Transaction.user_id == user.id
|
|
)
|
|
)
|
|
tx: Optional[Transaction] = res.scalar_one_or_none()
|
|
if not tx:
|
|
raise HTTPException(status_code=404, detail="Transaction not found")
|
|
|
|
if payload.amount is not None:
|
|
tx.amount = payload.amount
|
|
if payload.description is not None:
|
|
tx.description = payload.description
|
|
|
|
if payload.category_ids is not None:
|
|
# Preload categories to avoid async lazy-load during assignment
|
|
await session.refresh(tx, attribute_names=["categories"])
|
|
if payload.category_ids:
|
|
res = await session.execute(
|
|
select(Category).where(
|
|
Category.user_id == user.id, Category.id.in_(payload.category_ids)
|
|
)
|
|
)
|
|
categories = list(res.scalars())
|
|
if len(categories) != len(set(payload.category_ids)):
|
|
raise HTTPException(status_code=400, detail="One or more categories not found")
|
|
tx.categories = categories
|
|
else:
|
|
tx.categories = []
|
|
|
|
await session.commit()
|
|
await session.refresh(tx, attribute_names=["categories"])
|
|
return _to_read_model(tx)
|
|
|
|
|
|
@router.delete("/{transaction_id}", status_code=status.HTTP_204_NO_CONTENT)
|
|
async def delete_transaction(
|
|
transaction_id: int,
|
|
session: AsyncSession = Depends(get_async_session),
|
|
user: User = Depends(current_active_user),
|
|
):
|
|
res = await session.execute(
|
|
select(Transaction).where(
|
|
Transaction.id == transaction_id, Transaction.user_id == user.id
|
|
)
|
|
)
|
|
tx = res.scalar_one_or_none()
|
|
if not tx:
|
|
raise HTTPException(status_code=404, detail="Transaction not found")
|
|
|
|
await session.delete(tx)
|
|
await session.commit()
|
|
return None
|
|
|
|
|
|
@router.post("/{transaction_id}/categories/{category_id}", response_model=TransactionRead)
|
|
async def assign_category(
|
|
transaction_id: int,
|
|
category_id: int,
|
|
session: AsyncSession = Depends(get_async_session),
|
|
user: User = Depends(current_active_user),
|
|
):
|
|
# Load transaction and category ensuring ownership
|
|
res_tx = await session.execute(
|
|
select(Transaction).where(
|
|
Transaction.id == transaction_id, Transaction.user_id == user.id
|
|
)
|
|
)
|
|
tx: Optional[Transaction] = res_tx.scalar_one_or_none()
|
|
if not tx:
|
|
raise HTTPException(status_code=404, detail="Transaction not found")
|
|
|
|
res_cat = await session.execute(
|
|
select(Category).where(Category.id == category_id, Category.user_id == user.id)
|
|
)
|
|
cat: Optional[Category] = res_cat.scalar_one_or_none()
|
|
if not cat:
|
|
raise HTTPException(status_code=404, detail="Category not found")
|
|
|
|
await session.refresh(tx, attribute_names=["categories"])
|
|
if cat not in tx.categories:
|
|
tx.categories.append(cat)
|
|
await session.commit()
|
|
await session.refresh(tx, attribute_names=["categories"])
|
|
return _to_read_model(tx)
|
|
|
|
|
|
@router.delete("/{transaction_id}/categories/{category_id}", response_model=TransactionRead)
|
|
async def unassign_category(
|
|
transaction_id: int,
|
|
category_id: int,
|
|
session: AsyncSession = Depends(get_async_session),
|
|
user: User = Depends(current_active_user),
|
|
):
|
|
res_tx = await session.execute(
|
|
select(Transaction).where(
|
|
Transaction.id == transaction_id, Transaction.user_id == user.id
|
|
)
|
|
)
|
|
tx: Optional[Transaction] = res_tx.scalar_one_or_none()
|
|
if not tx:
|
|
raise HTTPException(status_code=404, detail="Transaction not found")
|
|
|
|
res_cat = await session.execute(
|
|
select(Category).where(Category.id == category_id, Category.user_id == user.id)
|
|
)
|
|
cat: Optional[Category] = res_cat.scalar_one_or_none()
|
|
if not cat:
|
|
raise HTTPException(status_code=404, detail="Category not found")
|
|
|
|
await session.refresh(tx, attribute_names=["categories"])
|
|
if cat in tx.categories:
|
|
tx.categories.remove(cat)
|
|
await session.commit()
|
|
await session.refresh(tx, attribute_names=["categories"])
|
|
return _to_read_model(tx)
|