Files
finance-app/backend/app/routers/budget_rules.py

78 lines
2.5 KiB
Python

from fastapi import APIRouter, Depends, HTTPException
from fastapi.encoders import jsonable_encoder
from fastapi.responses import JSONResponse
from pydantic import BaseModel
from sqlmodel import Session, select
from ..database import get_session
from ..deps import get_current_user
from ..models import Budget, BudgetRule, User
router = APIRouter(prefix="/api/budget-rules", tags=["budget-rules"])
class BudgetRuleCreate(BaseModel):
budget_id: str
pattern: str
model_config = {"alias_generator": lambda s: "".join(w.capitalize() if i else w for i, w in enumerate(s.split("_"))), "populate_by_name": True}
@router.get("")
def list_budget_rules(
session: Session = Depends(get_session),
current_user: User = Depends(get_current_user),
):
rules = session.exec(
select(BudgetRule).where(BudgetRule.user_id == current_user.id).order_by(BudgetRule.created_at)
).all()
return JSONResponse(content=jsonable_encoder([
{"id": r.id, "budgetId": r.budget_id, "pattern": r.pattern} for r in rules
]))
@router.post("", status_code=201)
def create_budget_rule(
body: BudgetRuleCreate,
session: Session = Depends(get_session),
current_user: User = Depends(get_current_user),
):
if not body.pattern.strip():
raise HTTPException(status_code=400, detail="pattern is required")
if len(body.pattern) > 200:
raise HTTPException(status_code=400, detail="pattern must be ≤ 200 characters")
budget = session.exec(
select(Budget).where(Budget.id == body.budget_id, Budget.user_id == current_user.id)
).first()
if not budget:
raise HTTPException(status_code=404, detail="Budget not found")
rule = BudgetRule(
user_id=current_user.id,
budget_id=body.budget_id,
pattern=body.pattern.strip(),
)
session.add(rule)
session.commit()
session.refresh(rule)
return JSONResponse(
content=jsonable_encoder({"id": rule.id, "budgetId": rule.budget_id, "pattern": rule.pattern}),
status_code=201,
)
@router.delete("/{rule_id}", status_code=204)
def delete_budget_rule(
rule_id: str,
session: Session = Depends(get_session),
current_user: User = Depends(get_current_user),
):
rule = session.exec(
select(BudgetRule).where(BudgetRule.id == rule_id, BudgetRule.user_id == current_user.id)
).first()
if not rule:
raise HTTPException(status_code=404, detail="Not found")
session.delete(rule)
session.commit()