fix: bugs-04

backend/app/api/v1/transactions.py

@@ -5,7 +5,12 @@ from sqlalchemy.ext.asyncio import AsyncSession
 
 from app.core.database import get_db
 from app.repositories.transaction_repo import TransactionRepository
-from app.schemas.transaction import TransactionOut, TransactionListOut, FlowGraphOut
+from app.schemas.transaction import (
+    TransactionOut,
+    TransactionListOut,
+    FlowGraphOut,
+    TransactionUpdateIn,
+)
 from app.services.flow_service import build_flow_graph
 
 router = APIRouter()
@@ -31,6 +36,23 @@ async def get_transaction(tx_id: UUID, db: AsyncSession = Depends(get_db)):
     return tx
 
 
+@router.patch("/transactions/{tx_id}", response_model=TransactionOut)
+async def update_transaction(
+    tx_id: UUID,
+    body: TransactionUpdateIn,
+    db: AsyncSession = Depends(get_db),
+):
+    repo = TransactionRepository(db)
+    tx = await repo.get(tx_id)
+    if not tx:
+        raise HTTPException(404, "交易不存在")
+
+    update_data = body.model_dump(exclude_unset=True)
+    tx = await repo.update(tx, update_data)
+    await db.commit()
+    return tx
+
+
 @router.get("/cases/{case_id}/flows", response_model=FlowGraphOut)
 async def get_fund_flows(case_id: UUID, db: AsyncSession = Depends(get_db)):
     return await build_flow_graph(case_id, db)