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Update 7project/backend/app/api/transactions.py

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Better error message

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
This commit is contained in:
Dejan Ribarovski
2025-10-13 13:52:36 +02:00
committed by GitHub
parent 975f5e5bec
commit 9580bea630
1 changed files with 4 additions and 1 deletions
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5
7project/backend/app/api/transactions.py
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@@ -116,13 +116,16 @@ async def update_transaction(
# Preload categories to avoid async lazy-load during assignment
await session.refresh(tx, attribute_names=["categories"])
if payload.category_ids:
# Check for duplicate category IDs in the payload
if len(payload.category_ids) != len(set(payload.category_ids)):
raise HTTPException(status_code=400, detail="Duplicate category IDs in payload")
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)):
if len(categories) != len(payload.category_ids):
raise HTTPException(status_code=400, detail="One or more categories not found")
tx.categories = categories
else: