feat: Phase 1 – Konten, Kategorien, Transaktionen, EZB-Währungsumrechnung

Backend:
- Modelle + Migration 0002: accounts, account_identifiers, category_groups,
  categories, transactions, exchange_rates (alle owner-gescoped).
- EZB-Kursdienst (90-Tage/Historie) + Backfill-Skript; Umrechnung EUR<->CHF zum
  Buchungsdatum mit lokalem Cache und manueller Übersteuerung; EUR-Pivot
  (amount_eur_cents) eingefroren.
- Kontostände + Netto-Vermögen (Umrechnung in Hauptwährung).
- Router: accounts (inkl. IBAN-Identifikatoren), categories (Gruppen+Kategorien),
  transactions (Ausgabe/Einnahme/Transfer, cross-currency), rates.
- Gruppierte Standard-Kategorien je Nutzer beim Anlegen.
- pytest-Suite: Währung, Salden, Cross-Currency-Transfer, Nutzer-Isolation.

Frontend:
- Seiten Konten, Kategorien, Buchungen; Icon-Chip, Geldbetrag mit Umrechnung,
  Icon-/Farbwähler, Modal; erweitertes SVG-Icon-Set (Konto-/Kategorie-Icons).
- Währungs-/Datumsformatierung (EUR de-DE, CHF de-CH), i18n DE/EN erweitert.
- Live-Umrechnungs-Vorschau im Transfer-Formular.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
This commit is contained in:
Guido
2026-08-19 18:59:24 +02:00
co-authored by Claude Opus 4.8
parent 2c795a57c8
commit 1b7107b9bd
35 changed files with 3116 additions and 6 deletions
+11
View File
@@ -34,3 +34,14 @@ def require_admin(current_user: User = Depends(get_current_user)) -> User:
detail="Nur Administratoren dürfen diese Aktion ausführen",
)
return current_user
def get_owned(db: Session, model, obj_id: int, user: User):
"""Holt eine Zeile und stellt sicher, dass sie dem Nutzer gehört – sonst 404.
Bewusst 404 (nicht 403): fremde IDs sollen nicht einmal als existent gelten.
Zentrale Stelle für die Mandanten-Isolation."""
obj = db.get(model, obj_id)
if obj is None or getattr(obj, "owner_id", None) != user.id:
raise HTTPException(status_code=status.HTTP_404_NOT_FOUND, detail="Nicht gefunden")
return obj
+16 -1
View File
@@ -17,8 +17,17 @@ from .branding import APP_NAME, VERSION, git_sha
from .config import get_settings
from .database import SessionLocal
from .migrate import upgrade_to_head
from .routers import auth, settings as settings_router, users
from .routers import (
accounts,
auth,
categories,
rates,
settings as settings_router,
transactions,
users,
)
from .seed import ensure_first_admin
from .services import ecb_rates
settings = get_settings()
@@ -34,6 +43,8 @@ async def lifespan(app: FastAPI):
db = SessionLocal()
try:
ensure_first_admin(db)
# Best-effort: aktuelle EZB-Kurse nachladen (ohne Internet läuft es weiter).
ecb_rates.ensure_rates_on_startup(db, settings.ecb_fetch_on_start)
finally:
db.close()
yield
@@ -73,6 +84,10 @@ def version() -> dict:
api.include_router(auth.router)
api.include_router(users.router)
api.include_router(settings_router.router)
api.include_router(accounts.router)
api.include_router(categories.router)
api.include_router(transactions.router)
api.include_router(rates.router)
app.include_router(api)
+194 -1
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@@ -12,15 +12,22 @@ hinzu und werden dann alle über ``owner_id`` je Benutzer getrennt.
from __future__ import annotations
import enum
from datetime import datetime, timezone
# date/time unter Alias, weil es Spalten namens "date"/"time" gibt, die die
# gleichnamigen Typen sonst in den (späten) Annotationen beschatten.
from datetime import date as date_t, datetime, time as time_t, timezone
from sqlalchemy import (
Boolean,
Date,
DateTime,
Enum as SAEnum,
ForeignKey,
Integer,
Numeric,
String,
Text,
Time,
UniqueConstraint,
)
from sqlalchemy.orm import Mapped, mapped_column, relationship
@@ -41,6 +48,42 @@ class Role(str, enum.Enum):
user = "user"
class AccountType(str, enum.Enum):
girokonto = "girokonto"
sparkonto = "sparkonto"
bargeld = "bargeld"
kreditkarte = "kreditkarte"
depot = "depot"
sonstiges = "sonstiges"
# Kontotypen, deren Ziel-Transfer standardmäßig als budgetierte Ausgabe zählt
# (Sparen/Investment). Andere Transfers sind budgetneutral.
SAVINGS_ACCOUNT_TYPES = {AccountType.sparkonto, AccountType.depot}
class IdentifierKind(str, enum.Enum):
iban = "iban"
account_no = "account_no"
card_no = "card_no"
class CategoryKind(str, enum.Enum):
income = "income"
expense = "expense"
class TxnType(str, enum.Enum):
expense = "expense"
income = "income"
transfer = "transfer"
class BudgetTreatment(str, enum.Enum):
budgeted = "budgeted"
neutral = "neutral"
class User(Base):
__tablename__ = "users"
@@ -96,3 +139,153 @@ class UserSetting(Base):
value: Mapped[str | None] = mapped_column(String(255), nullable=True)
user: Mapped[User] = relationship(back_populates="settings")
# ---------------------------------------------------------------------------
# Phase 1: Konten, Kategorien, Transaktionen, Wechselkurse
# Alle fachlichen Tabellen tragen owner_id und werden nur owner-gescoped gelesen.
# ---------------------------------------------------------------------------
class Account(Base):
__tablename__ = "accounts"
id: Mapped[int] = mapped_column(Integer, primary_key=True)
owner_id: Mapped[int] = mapped_column(
ForeignKey("users.id", ondelete="CASCADE"), nullable=False, index=True
)
name: Mapped[str] = mapped_column(String(120), nullable=False)
type: Mapped[AccountType] = mapped_column(_enum(AccountType), nullable=False, default=AccountType.girokonto)
currency: Mapped[str] = mapped_column(String(3), nullable=False, default="EUR")
icon: Mapped[str] = mapped_column(String(40), nullable=False, default="wallet")
color: Mapped[str] = mapped_column(String(9), nullable=False, default="#3f51b5")
opening_balance_cents: Mapped[int] = mapped_column(Integer, nullable=False, default=0)
opening_date: Mapped[date_t | None] = mapped_column(Date, nullable=True)
is_archived: Mapped[bool] = mapped_column(Boolean, nullable=False, default=False)
position: Mapped[int] = mapped_column(Integer, nullable=False, default=0)
created_at: Mapped[datetime] = mapped_column(DateTime(timezone=True), default=_now)
updated_at: Mapped[datetime] = mapped_column(DateTime(timezone=True), default=_now, onupdate=_now)
identifiers: Mapped[list[AccountIdentifier]] = relationship(
back_populates="account", cascade="all, delete-orphan"
)
class AccountIdentifier(Base):
"""Erkennungsmerkmal eines Kontos (IBAN/Kontonummer/Kartennummer) für die
Transfer-Erkennung beim Import. ``value_norm`` ist die normalisierte Form."""
__tablename__ = "account_identifiers"
id: Mapped[int] = mapped_column(Integer, primary_key=True)
account_id: Mapped[int] = mapped_column(
ForeignKey("accounts.id", ondelete="CASCADE"), nullable=False, index=True
)
kind: Mapped[IdentifierKind] = mapped_column(_enum(IdentifierKind), nullable=False, default=IdentifierKind.iban)
value: Mapped[str] = mapped_column(String(64), nullable=False)
value_norm: Mapped[str] = mapped_column(String(64), nullable=False, index=True)
account: Mapped[Account] = relationship(back_populates="identifiers")
__table_args__ = (
UniqueConstraint("account_id", "kind", "value_norm", name="uq_ident_account_kind_value"),
)
class CategoryGroup(Base):
__tablename__ = "category_groups"
id: Mapped[int] = mapped_column(Integer, primary_key=True)
owner_id: Mapped[int] = mapped_column(
ForeignKey("users.id", ondelete="CASCADE"), nullable=False, index=True
)
name: Mapped[str] = mapped_column(String(120), nullable=False)
kind: Mapped[CategoryKind] = mapped_column(_enum(CategoryKind), nullable=False, default=CategoryKind.expense)
icon: Mapped[str] = mapped_column(String(40), nullable=False, default="list")
color: Mapped[str] = mapped_column(String(9), nullable=False, default="#6b7480")
position: Mapped[int] = mapped_column(Integer, nullable=False, default=0)
is_builtin: Mapped[bool] = mapped_column(Boolean, nullable=False, default=False)
categories: Mapped[list[Category]] = relationship(
back_populates="group", cascade="all, delete-orphan"
)
class Category(Base):
__tablename__ = "categories"
id: Mapped[int] = mapped_column(Integer, primary_key=True)
owner_id: Mapped[int] = mapped_column(
ForeignKey("users.id", ondelete="CASCADE"), nullable=False, index=True
)
group_id: Mapped[int] = mapped_column(
ForeignKey("category_groups.id", ondelete="CASCADE"), nullable=False, index=True
)
name: Mapped[str] = mapped_column(String(120), nullable=False)
type: Mapped[CategoryKind] = mapped_column(_enum(CategoryKind), nullable=False, default=CategoryKind.expense)
icon: Mapped[str] = mapped_column(String(40), nullable=False, default="more-horizontal")
color: Mapped[str] = mapped_column(String(9), nullable=False, default="#6b7480")
position: Mapped[int] = mapped_column(Integer, nullable=False, default=0)
is_builtin: Mapped[bool] = mapped_column(Boolean, nullable=False, default=False)
is_archived: Mapped[bool] = mapped_column(Boolean, nullable=False, default=False)
group: Mapped[CategoryGroup] = relationship(back_populates="categories")
class Transaction(Base):
__tablename__ = "transactions"
id: Mapped[int] = mapped_column(Integer, primary_key=True)
owner_id: Mapped[int] = mapped_column(
ForeignKey("users.id", ondelete="CASCADE"), nullable=False, index=True
)
type: Mapped[TxnType] = mapped_column(_enum(TxnType), nullable=False)
date: Mapped[date_t] = mapped_column(Date, nullable=False, index=True)
time: Mapped[time_t | None] = mapped_column(Time, nullable=True)
account_id: Mapped[int] = mapped_column(
ForeignKey("accounts.id", ondelete="CASCADE"), nullable=False, index=True
)
to_account_id: Mapped[int | None] = mapped_column(
ForeignKey("accounts.id", ondelete="CASCADE"), nullable=True, index=True
)
# Betrag in Kontowährung (bei Transfers: abgebuchter Betrag vom Quellkonto).
amount_cents: Mapped[int] = mapped_column(Integer, nullable=False)
# Nur bei währungsübergreifenden Transfers: gutgeschriebener Betrag am Zielkonto.
to_amount_cents: Mapped[int | None] = mapped_column(Integer, nullable=True)
# Manuell gesetzter Kurs (Kontowährung je 1 EUR); überschreibt den EZB-Kurs.
fx_rate: Mapped[float | None] = mapped_column(Numeric(18, 8), nullable=True)
# Eingefrorener EUR-Wert von amount_cents zum Buchungsdatum (Pivot für Budget/Dashboard).
amount_eur_cents: Mapped[int] = mapped_column(Integer, nullable=False, default=0)
category_id: Mapped[int | None] = mapped_column(
ForeignKey("categories.id", ondelete="SET NULL"), nullable=True, index=True
)
# Übersteuert die Standard-Regel für Sparen/Depot-Transfers (budgeted|neutral).
budget_treatment: Mapped[BudgetTreatment | None] = mapped_column(_enum(BudgetTreatment), nullable=True)
# Kategorie, gegen die ein budgetierter Transfer zählt (Sparen/Investment).
budget_category_id: Mapped[int | None] = mapped_column(
ForeignKey("categories.id", ondelete="SET NULL"), nullable=True
)
payee: Mapped[str | None] = mapped_column(String(255), nullable=True)
description: Mapped[str | None] = mapped_column(String(255), nullable=True)
notes: Mapped[str | None] = mapped_column(Text, nullable=True)
created_at: Mapped[datetime] = mapped_column(DateTime(timezone=True), default=_now)
updated_at: Mapped[datetime] = mapped_column(DateTime(timezone=True), default=_now, onupdate=_now)
class ExchangeRate(Base):
"""EZB-Referenzkurs: wie viele Einheiten der Währung ein Euro wert war.
EUR ist implizit 1.0 (keine Zeile). In der Praxis nur CHF. Nicht owner-gescoped
(öffentliche Referenzdaten)."""
__tablename__ = "exchange_rates"
date: Mapped[date_t] = mapped_column(Date, primary_key=True)
currency: Mapped[str] = mapped_column(String(3), primary_key=True)
rate_per_eur: Mapped[float] = mapped_column(Numeric(18, 8), nullable=False)
source: Mapped[str] = mapped_column(String(16), nullable=False, default="ecb")
+137
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@@ -0,0 +1,137 @@
"""Konten inkl. Erkennungs-Identifikatoren. Alles owner-gescoped."""
from datetime import date
from fastapi import APIRouter, Depends, status
from sqlalchemy.orm import Session
from ..database import get_db
from ..deps import get_current_user, get_owned
from ..models import Account, AccountIdentifier, User
from ..schemas import AccountCreate, AccountIdentifierOut, AccountOut, AccountUpdate
from ..services import balances
from .settings import BASE_CURRENCY_KEY, get_user_setting
router = APIRouter(prefix="/accounts", tags=["accounts"])
def normalize_identifier(value: str) -> str:
"""Vereinheitlicht IBAN/Nummer für den Abgleich: Großbuchstaben, nur alphanumerisch."""
return "".join(ch for ch in value.upper() if ch.isalnum())
def base_currency(db: Session, user: User) -> str:
return get_user_setting(db, user, BASE_CURRENCY_KEY) or "EUR"
def to_out(db: Session, acc: Account, base: str, on: date) -> AccountOut:
return AccountOut(
id=acc.id,
name=acc.name,
type=acc.type,
currency=acc.currency,
icon=acc.icon,
color=acc.color,
opening_balance_cents=acc.opening_balance_cents,
opening_date=acc.opening_date,
is_archived=acc.is_archived,
position=acc.position,
identifiers=[
AccountIdentifierOut(id=i.id, kind=i.kind, value=i.value) for i in acc.identifiers
],
balance_cents=balances.account_balance_cents(db, acc),
balance_base_cents=balances.account_balance_base_cents(db, acc, base, on),
)
def _set_identifiers(acc: Account, items) -> None:
"""Ersetzt die Identifikator-Liste (dedupliziert nach Art + Normalform)."""
acc.identifiers.clear()
seen: set[tuple[str, str]] = set()
for it in items:
norm = normalize_identifier(it.value)
key = (it.kind.value, norm)
if not norm or key in seen:
continue
seen.add(key)
acc.identifiers.append(
AccountIdentifier(kind=it.kind, value=it.value.strip(), value_norm=norm)
)
@router.get("", response_model=list[AccountOut])
def list_accounts(db: Session = Depends(get_db), user: User = Depends(get_current_user)):
base = base_currency(db, user)
today = date.today()
accounts = (
db.query(Account)
.filter(Account.owner_id == user.id)
.order_by(Account.position, Account.name)
.all()
)
return [to_out(db, a, base, today) for a in accounts]
@router.post("", response_model=AccountOut, status_code=status.HTTP_201_CREATED)
def create_account(
payload: AccountCreate, db: Session = Depends(get_db), user: User = Depends(get_current_user)
):
max_pos = (
db.query(Account.position)
.filter(Account.owner_id == user.id)
.order_by(Account.position.desc())
.first()
)
acc = Account(
owner_id=user.id,
name=payload.name.strip(),
type=payload.type,
currency=payload.currency,
icon=payload.icon,
color=payload.color,
opening_balance_cents=payload.opening_balance_cents,
opening_date=payload.opening_date,
position=(max_pos[0] + 1) if max_pos else 0,
)
_set_identifiers(acc, payload.identifiers)
db.add(acc)
db.commit()
db.refresh(acc)
return to_out(db, acc, base_currency(db, user), date.today())
@router.get("/{account_id}", response_model=AccountOut)
def get_account(
account_id: int, db: Session = Depends(get_db), user: User = Depends(get_current_user)
):
acc = get_owned(db, Account, account_id, user)
return to_out(db, acc, base_currency(db, user), date.today())
@router.patch("/{account_id}", response_model=AccountOut)
def update_account(
account_id: int,
payload: AccountUpdate,
db: Session = Depends(get_db),
user: User = Depends(get_current_user),
):
acc = get_owned(db, Account, account_id, user)
data = payload.model_dump(exclude_unset=True)
identifiers = data.pop("identifiers", None)
for key, value in data.items():
if value is not None or key in ("opening_date",):
setattr(acc, key, value)
if identifiers is not None:
_set_identifiers(acc, payload.identifiers)
db.commit()
db.refresh(acc)
return to_out(db, acc, base_currency(db, user), date.today())
@router.delete("/{account_id}", status_code=status.HTTP_204_NO_CONTENT)
def delete_account(
account_id: int, db: Session = Depends(get_db), user: User = Depends(get_current_user)
):
acc = get_owned(db, Account, account_id, user)
db.delete(acc)
db.commit()
+154
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@@ -0,0 +1,154 @@
"""Kategorie-Gruppen und Kategorien (zweistufig). Alles owner-gescoped.
Eine Kategorie erbt ihre Art (Einnahme/Ausgabe) von ihrer Gruppe.
"""
from fastapi import APIRouter, Depends, status
from sqlalchemy.orm import Session
from ..database import get_db
from ..deps import get_current_user, get_owned
from ..models import Category, CategoryGroup, User
from ..schemas import (
CategoryCreate,
CategoryGroupCreate,
CategoryGroupOut,
CategoryGroupUpdate,
CategoryOut,
CategoryUpdate,
)
router = APIRouter(prefix="/categories", tags=["categories"])
def group_out(g: CategoryGroup) -> CategoryGroupOut:
cats = sorted(g.categories, key=lambda c: (c.position, c.name.lower()))
return CategoryGroupOut(
id=g.id,
name=g.name,
kind=g.kind,
icon=g.icon,
color=g.color,
position=g.position,
is_builtin=g.is_builtin,
categories=[CategoryOut.model_validate(c) for c in cats],
)
def _next_position(db: Session, model, **filters) -> int:
q = db.query(model.position)
for k, v in filters.items():
q = q.filter(getattr(model, k) == v)
row = q.order_by(model.position.desc()).first()
return (row[0] + 1) if row else 0
@router.get("", response_model=list[CategoryGroupOut])
def list_categories(db: Session = Depends(get_db), user: User = Depends(get_current_user)):
groups = (
db.query(CategoryGroup)
.filter(CategoryGroup.owner_id == user.id)
.order_by(CategoryGroup.position, CategoryGroup.name)
.all()
)
return [group_out(g) for g in groups]
# --- Gruppen ---------------------------------------------------------------
@router.post("/groups", response_model=CategoryGroupOut, status_code=status.HTTP_201_CREATED)
def create_group(
payload: CategoryGroupCreate, db: Session = Depends(get_db), user: User = Depends(get_current_user)
):
g = CategoryGroup(
owner_id=user.id,
name=payload.name.strip(),
kind=payload.kind,
icon=payload.icon,
color=payload.color,
position=_next_position(db, CategoryGroup, owner_id=user.id),
)
db.add(g)
db.commit()
db.refresh(g)
return group_out(g)
@router.patch("/groups/{group_id}", response_model=CategoryGroupOut)
def update_group(
group_id: int,
payload: CategoryGroupUpdate,
db: Session = Depends(get_db),
user: User = Depends(get_current_user),
):
g = get_owned(db, CategoryGroup, group_id, user)
for key, value in payload.model_dump(exclude_unset=True).items():
if value is not None:
setattr(g, key, value)
db.commit()
db.refresh(g)
return group_out(g)
@router.delete("/groups/{group_id}", status_code=status.HTTP_204_NO_CONTENT)
def delete_group(
group_id: int, db: Session = Depends(get_db), user: User = Depends(get_current_user)
):
g = get_owned(db, CategoryGroup, group_id, user)
db.delete(g)
db.commit()
# --- Kategorien ------------------------------------------------------------
@router.post("", response_model=CategoryOut, status_code=status.HTTP_201_CREATED)
def create_category(
payload: CategoryCreate, db: Session = Depends(get_db), user: User = Depends(get_current_user)
):
group = get_owned(db, CategoryGroup, payload.group_id, user)
cat = Category(
owner_id=user.id,
group_id=group.id,
name=payload.name.strip(),
type=group.kind, # erbt die Art der Gruppe
icon=payload.icon,
color=payload.color,
position=_next_position(db, Category, owner_id=user.id, group_id=group.id),
)
db.add(cat)
db.commit()
db.refresh(cat)
return CategoryOut.model_validate(cat)
@router.patch("/{category_id}", response_model=CategoryOut)
def update_category(
category_id: int,
payload: CategoryUpdate,
db: Session = Depends(get_db),
user: User = Depends(get_current_user),
):
cat = get_owned(db, Category, category_id, user)
data = payload.model_dump(exclude_unset=True)
new_group_id = data.pop("group_id", None)
if new_group_id is not None:
group = get_owned(db, CategoryGroup, new_group_id, user)
cat.group_id = group.id
cat.type = group.kind # Art an die neue Gruppe angleichen
for key, value in data.items():
if value is not None or key == "is_archived":
setattr(cat, key, value)
db.commit()
db.refresh(cat)
return CategoryOut.model_validate(cat)
@router.delete("/{category_id}", status_code=status.HTTP_204_NO_CONTENT)
def delete_category(
category_id: int, db: Session = Depends(get_db), user: User = Depends(get_current_user)
):
cat = get_owned(db, Category, category_id, user)
db.delete(cat)
db.commit()
+71
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@@ -0,0 +1,71 @@
"""Wechselkurse: Status und Umrechnungs-Vorschau (für das Buchungsformular)."""
from datetime import date
from fastapi import APIRouter, Depends
from sqlalchemy import func
from sqlalchemy.orm import Session
from ..database import get_db
from ..deps import get_current_user
from ..models import ExchangeRate, User
from ..schemas import ConversionOut, RateStatus
from ..services import currency
router = APIRouter(prefix="/rates", tags=["rates"])
@router.get("/status", response_model=list[RateStatus])
def status(db: Session = Depends(get_db), _: User = Depends(get_current_user)):
out: list[RateStatus] = []
currencies = [
row[0] for row in db.query(ExchangeRate.currency).distinct().order_by(ExchangeRate.currency)
]
for ccy in currencies:
agg = db.query(
func.count(ExchangeRate.date),
func.min(ExchangeRate.date),
func.max(ExchangeRate.date),
).filter(ExchangeRate.currency == ccy).one()
latest = (
db.query(ExchangeRate)
.filter(ExchangeRate.currency == ccy)
.order_by(ExchangeRate.date.desc())
.first()
)
out.append(
RateStatus(
currency=ccy,
count=agg[0] or 0,
min_date=agg[1],
max_date=agg[2],
latest_rate=float(latest.rate_per_eur) if latest else None,
)
)
return out
@router.get("/convert", response_model=ConversionOut)
def convert(
amount_cents: int,
from_currency: str,
to_currency: str,
on: date | None = None,
db: Session = Depends(get_db),
_: User = Depends(get_current_user),
):
on = on or date.today()
from_currency = from_currency.upper()
to_currency = to_currency.upper()
converted = currency.convert(db, amount_cents, from_currency, to_currency, on)
# Anzeige-Kurs: EZB-Kurs der Nicht-EUR-Währung (Einheiten je 1 EUR).
non_eur = to_currency if to_currency != "EUR" else from_currency
rate = currency.rate_on(db, non_eur, on)
return ConversionOut(
amount_cents=amount_cents,
from_currency=from_currency,
to_currency=to_currency,
date=on,
converted_cents=converted,
rate=float(rate) if rate is not None else None,
)
+219
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@@ -0,0 +1,219 @@
"""Transaktionen: Ausgabe, Einnahme, interner Transfer. Owner-gescoped.
Beim Speichern wird der eingefrorene EUR-Wert (``amount_eur_cents``) zum
Buchungsdatum berechnet (Pivot für Budget/Dashboard). Ein manuell gesetzter
Kurs (``fx_rate``) hat Vorrang vor dem EZB-Kurs.
"""
from datetime import date
from fastapi import APIRouter, Depends, HTTPException, Query, status
from sqlalchemy.orm import Session
from ..database import get_db
from ..deps import get_current_user, get_owned
from ..models import Account, Category, Transaction, TxnType, User
from ..schemas import TransactionCreate, TransactionOut, TransactionUpdate
from ..services import currency
from .accounts import base_currency
router = APIRouter(prefix="/transactions", tags=["transactions"])
def _fx(txn: Transaction) -> float | None:
return float(txn.fx_rate) if txn.fx_rate is not None else None
def _recompute(db: Session, txn: Transaction, from_acc: Account, to_acc: Account | None) -> None:
"""Setzt amount_eur_cents und (bei Transfers) to_amount_cents neu."""
txn.amount_eur_cents = currency.compute_amount_eur_cents(
db, txn.amount_cents, from_acc.currency, txn.date, _fx(txn)
)
if txn.type == TxnType.transfer and to_acc is not None:
if txn.to_amount_cents is None:
if to_acc.currency == from_acc.currency:
txn.to_amount_cents = txn.amount_cents
else:
conv = currency.convert(
db, txn.amount_cents, from_acc.currency, to_acc.currency, txn.date, _fx(txn)
)
txn.to_amount_cents = conv if conv is not None else txn.amount_cents
else:
txn.to_amount_cents = None
def to_out(db: Session, txn: Transaction, base: str, ccy_by_account: dict[int, str]) -> TransactionOut:
acc_ccy = ccy_by_account.get(txn.account_id, "EUR")
if base == "EUR":
amount_base = txn.amount_eur_cents
else:
conv = currency.from_eur_cents(db, txn.amount_eur_cents, base, txn.date)
amount_base = conv if conv is not None else txn.amount_eur_cents
return TransactionOut(
id=txn.id,
type=txn.type,
date=txn.date,
time=txn.time,
account_id=txn.account_id,
to_account_id=txn.to_account_id,
account_currency=acc_ccy,
amount_cents=txn.amount_cents,
to_amount_cents=txn.to_amount_cents,
fx_rate=_fx(txn),
amount_eur_cents=txn.amount_eur_cents,
amount_base_cents=amount_base,
category_id=txn.category_id,
budget_treatment=txn.budget_treatment,
budget_category_id=txn.budget_category_id,
payee=txn.payee,
description=txn.description,
notes=txn.notes,
)
def _currency_map(db: Session, user: User) -> dict[int, str]:
rows = db.query(Account.id, Account.currency).filter(Account.owner_id == user.id).all()
return {row[0]: row[1] for row in rows}
def _validate_category(db: Session, user: User, category_id: int | None) -> None:
if category_id is not None:
get_owned(db, Category, category_id, user)
@router.get("", response_model=list[TransactionOut])
def list_transactions(
db: Session = Depends(get_db),
user: User = Depends(get_current_user),
account_id: int | None = None,
category_id: int | None = None,
type: TxnType | None = None,
date_from: date | None = None,
date_to: date | None = None,
limit: int = Query(default=200, le=1000),
offset: int = 0,
):
q = db.query(Transaction).filter(Transaction.owner_id == user.id)
if account_id is not None:
q = q.filter(
(Transaction.account_id == account_id) | (Transaction.to_account_id == account_id)
)
if category_id is not None:
q = q.filter(Transaction.category_id == category_id)
if type is not None:
q = q.filter(Transaction.type == type)
if date_from is not None:
q = q.filter(Transaction.date >= date_from)
if date_to is not None:
q = q.filter(Transaction.date <= date_to)
rows = q.order_by(Transaction.date.desc(), Transaction.id.desc()).limit(limit).offset(offset).all()
base = base_currency(db, user)
ccy = _currency_map(db, user)
return [to_out(db, t, base, ccy) for t in rows]
@router.post("", response_model=TransactionOut, status_code=status.HTTP_201_CREATED)
def create_transaction(
payload: TransactionCreate, db: Session = Depends(get_db), user: User = Depends(get_current_user)
):
from_acc = get_owned(db, Account, payload.account_id, user)
to_acc = None
category_id = payload.category_id
if payload.type == TxnType.transfer:
if payload.to_account_id is None or payload.to_account_id == payload.account_id:
raise HTTPException(status.HTTP_400_BAD_REQUEST, "Transfer braucht ein anderes Zielkonto")
to_acc = get_owned(db, Account, payload.to_account_id, user)
category_id = None # Transfers werden nicht regulär kategorisiert
else:
if payload.to_account_id is not None:
raise HTTPException(status.HTTP_400_BAD_REQUEST, "Nur Transfers haben ein Zielkonto")
_validate_category(db, user, category_id)
_validate_category(db, user, payload.budget_category_id)
txn = Transaction(
owner_id=user.id,
type=payload.type,
date=payload.date,
time=payload.time,
account_id=from_acc.id,
to_account_id=to_acc.id if to_acc else None,
amount_cents=payload.amount_cents,
to_amount_cents=payload.to_amount_cents,
fx_rate=payload.fx_rate,
category_id=category_id,
budget_treatment=payload.budget_treatment,
budget_category_id=payload.budget_category_id,
payee=(payload.payee or None),
description=(payload.description or None),
notes=(payload.notes or None),
)
_recompute(db, txn, from_acc, to_acc)
db.add(txn)
db.commit()
db.refresh(txn)
return to_out(db, txn, base_currency(db, user), _currency_map(db, user))
@router.get("/{txn_id}", response_model=TransactionOut)
def get_transaction(
txn_id: int, db: Session = Depends(get_db), user: User = Depends(get_current_user)
):
txn = get_owned(db, Transaction, txn_id, user)
return to_out(db, txn, base_currency(db, user), _currency_map(db, user))
@router.patch("/{txn_id}", response_model=TransactionOut)
def update_transaction(
txn_id: int,
payload: TransactionUpdate,
db: Session = Depends(get_db),
user: User = Depends(get_current_user),
):
txn = get_owned(db, Transaction, txn_id, user)
data = payload.model_dump(exclude_unset=True)
for key in ("type", "date", "time", "amount_cents", "to_amount_cents", "fx_rate",
"budget_treatment", "payee", "description", "notes"):
if key in data:
setattr(txn, key, data[key])
if "account_id" in data and data["account_id"] is not None:
get_owned(db, Account, data["account_id"], user)
txn.account_id = data["account_id"]
if "to_account_id" in data:
if data["to_account_id"] is not None:
get_owned(db, Account, data["to_account_id"], user)
txn.to_account_id = data["to_account_id"]
if "category_id" in data:
_validate_category(db, user, data["category_id"])
txn.category_id = data["category_id"]
if "budget_category_id" in data:
_validate_category(db, user, data["budget_category_id"])
txn.budget_category_id = data["budget_category_id"]
# Konsistenz je nach Typ + Neuberechnung der abgeleiteten Werte.
from_acc = get_owned(db, Account, txn.account_id, user)
to_acc = None
if txn.type == TxnType.transfer:
if txn.to_account_id is None or txn.to_account_id == txn.account_id:
raise HTTPException(status.HTTP_400_BAD_REQUEST, "Transfer braucht ein anderes Zielkonto")
to_acc = get_owned(db, Account, txn.to_account_id, user)
txn.category_id = None
else:
txn.to_account_id = None
_recompute(db, txn, from_acc, to_acc)
db.commit()
db.refresh(txn)
return to_out(db, txn, base_currency(db, user), _currency_map(db, user))
@router.delete("/{txn_id}", status_code=status.HTTP_204_NO_CONTENT)
def delete_transaction(
txn_id: int, db: Session = Depends(get_db), user: User = Depends(get_current_user)
):
txn = get_owned(db, Transaction, txn_id, user)
db.delete(txn)
db.commit()
+3
View File
@@ -8,6 +8,7 @@ from ..deps import require_admin
from ..models import Role, User
from ..schemas import UserCreate, UserOut, UserUpdate
from ..security import hash_password
from ..seed import ensure_starter_categories
router = APIRouter(prefix="/users", tags=["users"], dependencies=[Depends(require_admin)])
@@ -33,6 +34,8 @@ def create_user(payload: UserCreate, db: Session = Depends(get_db)) -> User:
db.add(user)
db.commit()
db.refresh(user)
# Neuen Nutzern die Startkategorien mitgeben.
ensure_starter_categories(db, user)
return user
+217 -3
View File
@@ -1,10 +1,26 @@
"""Pydantic-Schemas für Anfragen/Antworten (Phase 0: Auth, Benutzer, Einstellungen)."""
from datetime import datetime
from datetime import date as date_t, datetime, time as time_t
from pydantic import BaseModel, ConfigDict, Field
from pydantic import BaseModel, ConfigDict, Field, field_validator
from .models import Role
from .models import (
AccountType,
BudgetTreatment,
CategoryKind,
IdentifierKind,
Role,
TxnType,
)
ALLOWED_CURRENCIES = {"EUR", "CHF"}
def _check_currency(v: str) -> str:
v = v.upper()
if v not in ALLOWED_CURRENCIES:
raise ValueError("Währung muss EUR oder CHF sein")
return v
class UserOut(BaseModel):
@@ -41,3 +57,201 @@ class PasswordChange(BaseModel):
class SettingOut(BaseModel):
key: str
value: str | None = None
# --- Konten ----------------------------------------------------------------
class AccountIdentifierIn(BaseModel):
kind: IdentifierKind = IdentifierKind.iban
value: str = Field(min_length=1, max_length=64)
class AccountIdentifierOut(BaseModel):
id: int
kind: IdentifierKind
value: str
class AccountCreate(BaseModel):
name: str = Field(min_length=1, max_length=120)
type: AccountType = AccountType.girokonto
currency: str = "EUR"
icon: str = "wallet"
color: str = "#3f51b5"
opening_balance_cents: int = 0
opening_date: date_t | None = None
identifiers: list[AccountIdentifierIn] = Field(default_factory=list)
@field_validator("currency")
@classmethod
def _cur(cls, v: str) -> str:
return _check_currency(v)
class AccountUpdate(BaseModel):
name: str | None = Field(default=None, min_length=1, max_length=120)
type: AccountType | None = None
currency: str | None = None
icon: str | None = None
color: str | None = None
opening_balance_cents: int | None = None
opening_date: date_t | None = None
is_archived: bool | None = None
position: int | None = None
# Wenn gesetzt, ersetzt die komplette Identifikator-Liste.
identifiers: list[AccountIdentifierIn] | None = None
@field_validator("currency")
@classmethod
def _cur(cls, v: str | None) -> str | None:
return _check_currency(v) if v is not None else None
class AccountOut(BaseModel):
id: int
name: str
type: AccountType
currency: str
icon: str
color: str
opening_balance_cents: int
opening_date: date_t | None
is_archived: bool
position: int
identifiers: list[AccountIdentifierOut]
balance_cents: int
balance_base_cents: int
# --- Kategorien ------------------------------------------------------------
class CategoryOut(BaseModel):
model_config = ConfigDict(from_attributes=True)
id: int
group_id: int
name: str
type: CategoryKind
icon: str
color: str
position: int
is_builtin: bool
is_archived: bool
class CategoryGroupOut(BaseModel):
id: int
name: str
kind: CategoryKind
icon: str
color: str
position: int
is_builtin: bool
categories: list[CategoryOut]
class CategoryGroupCreate(BaseModel):
name: str = Field(min_length=1, max_length=120)
kind: CategoryKind = CategoryKind.expense
icon: str = "list"
color: str = "#6b7480"
class CategoryGroupUpdate(BaseModel):
name: str | None = Field(default=None, min_length=1, max_length=120)
icon: str | None = None
color: str | None = None
position: int | None = None
class CategoryCreate(BaseModel):
group_id: int
name: str = Field(min_length=1, max_length=120)
icon: str = "more-horizontal"
color: str = "#6b7480"
class CategoryUpdate(BaseModel):
name: str | None = Field(default=None, min_length=1, max_length=120)
group_id: int | None = None
icon: str | None = None
color: str | None = None
position: int | None = None
is_archived: bool | None = None
# --- Transaktionen ---------------------------------------------------------
class TransactionCreate(BaseModel):
type: TxnType
date: date_t
time: time_t | None = None
account_id: int
to_account_id: int | None = None
amount_cents: int = Field(gt=0)
to_amount_cents: int | None = Field(default=None, gt=0)
fx_rate: float | None = Field(default=None, gt=0)
category_id: int | None = None
budget_treatment: BudgetTreatment | None = None
budget_category_id: int | None = None
payee: str | None = Field(default=None, max_length=255)
description: str | None = Field(default=None, max_length=255)
notes: str | None = None
class TransactionUpdate(BaseModel):
type: TxnType | None = None
date: date_t | None = None
time: time_t | None = None
account_id: int | None = None
to_account_id: int | None = None
amount_cents: int | None = Field(default=None, gt=0)
to_amount_cents: int | None = Field(default=None, gt=0)
fx_rate: float | None = Field(default=None, gt=0)
category_id: int | None = None
budget_treatment: BudgetTreatment | None = None
budget_category_id: int | None = None
payee: str | None = Field(default=None, max_length=255)
description: str | None = Field(default=None, max_length=255)
notes: str | None = None
class TransactionOut(BaseModel):
id: int
type: TxnType
date: date_t
time: time_t | None
account_id: int
to_account_id: int | None
account_currency: str
amount_cents: int
to_amount_cents: int | None
fx_rate: float | None
amount_eur_cents: int
amount_base_cents: int
category_id: int | None
budget_treatment: BudgetTreatment | None
budget_category_id: int | None
payee: str | None
description: str | None
notes: str | None
class RateStatus(BaseModel):
currency: str
count: int
min_date: date_t | None
max_date: date_t | None
latest_rate: float | None
class ConversionOut(BaseModel):
amount_cents: int
from_currency: str
to_currency: str
date: date_t
converted_cents: int | None
rate: float | None
+62 -1
View File
@@ -6,9 +6,68 @@ Fachliche Startdaten (Standard-Kategorien usw.) folgen in späteren Phasen.
from sqlalchemy.orm import Session
from .config import get_settings
from .models import Role, User
from .models import Category, CategoryGroup, CategoryKind, Role, User
from .security import hash_password
# Vorgefertigte, gruppierte Startkategorien je Benutzer. Alles frei änderbar;
# wer eine Gruppe/Kategorie löscht, bekommt sie nicht automatisch zurück.
# (Gruppe, Art, Gruppen-Icon, Gruppen-Farbe, [(Kategoriename, Icon), ...])
STARTER_CATEGORIES: list[tuple[str, CategoryKind, str, str, list[tuple[str, str]]]] = [
("Fixkosten", CategoryKind.expense, "landmark", "#3f51b5", [
("Wohnen", "home"),
("Versicherungen", "shield"),
("Telefon & Internet", "wifi"),
("Abos & Streaming", "refresh-ccw"),
]),
("Lebenshaltung", CategoryKind.expense, "shopping-cart", "#2e7d55", [
("Lebensmittel", "shopping-cart"),
("Restaurant", "utensils"),
("Mobilität", "car"),
("Gesundheit", "heart-pulse"),
("Kleidung", "shirt"),
]),
("Freizeit & Persönliches", CategoryKind.expense, "film", "#b06f14", [
("Freizeit", "film"),
("Reisen", "plane"),
("Sport & Fitness", "dumbbell"),
("Bildung", "graduation-cap"),
("Haustiere", "paw-print"),
("Geschenke & Spenden", "gift"),
]),
("Finanzen", CategoryKind.expense, "piggy-bank", "#2a78d6", [
("Sparen & Investments", "piggy-bank"),
("Steuern & Gebühren", "percent"),
]),
("Sonstiges", CategoryKind.expense, "more-horizontal", "#6b7480", [
("Sonstiges", "more-horizontal"),
]),
("Einnahmen", CategoryKind.income, "coins", "#2e7d55", [
("Gehalt", "banknote"),
("Nebeneinkünfte", "coins"),
("Erstattungen", "receipt"),
]),
]
def ensure_starter_categories(db: Session, user: User) -> None:
"""Legt die Startkategorien für einen Benutzer an – nur, wenn er noch keine hat."""
exists = db.query(CategoryGroup).filter(CategoryGroup.owner_id == user.id).first()
if exists is not None:
return
for gpos, (gname, kind, gicon, gcolor, cats) in enumerate(STARTER_CATEGORIES):
group = CategoryGroup(
owner_id=user.id, name=gname, kind=kind, icon=gicon, color=gcolor,
position=gpos, is_builtin=True,
)
db.add(group)
db.flush()
for cpos, (cname, cicon) in enumerate(cats):
db.add(Category(
owner_id=user.id, group_id=group.id, name=cname, type=kind,
icon=cicon, color=gcolor, position=cpos, is_builtin=True,
))
db.commit()
def ensure_first_admin(db: Session) -> None:
"""Legt einen Admin an, solange noch gar kein Benutzer existiert."""
@@ -24,3 +83,5 @@ def ensure_first_admin(db: Session) -> None:
)
db.add(admin)
db.commit()
db.refresh(admin)
ensure_starter_categories(db, admin)
+64
View File
@@ -0,0 +1,64 @@
"""Kontostände (in Kontowährung) und Umrechnung in die Hauptwährung.
Saldo = Anfangssaldo + Einnahmen - Ausgaben - Transfers-raus + Transfers-rein.
Transfers werden in der jeweiligen Kontowährung verrechnet (bei währungsüber-
greifenden Transfers am Zielkonto der gutgeschriebene Betrag ``to_amount_cents``).
"""
from datetime import date
from sqlalchemy import func
from sqlalchemy.orm import Session
from ..models import Account, Transaction, TxnType
from . import currency
def _sum(query) -> int:
return int(query.scalar() or 0)
def account_balance_cents(db: Session, account: Account) -> int:
income = _sum(
db.query(func.sum(Transaction.amount_cents)).filter(
Transaction.account_id == account.id, Transaction.type == TxnType.income
)
)
expense = _sum(
db.query(func.sum(Transaction.amount_cents)).filter(
Transaction.account_id == account.id, Transaction.type == TxnType.expense
)
)
transfer_out = _sum(
db.query(func.sum(Transaction.amount_cents)).filter(
Transaction.account_id == account.id, Transaction.type == TxnType.transfer
)
)
transfer_in = _sum(
db.query(
func.sum(func.coalesce(Transaction.to_amount_cents, Transaction.amount_cents))
).filter(
Transaction.to_account_id == account.id, Transaction.type == TxnType.transfer
)
)
return account.opening_balance_cents + income - expense - transfer_out + transfer_in
def account_balance_base_cents(
db: Session, account: Account, base_currency: str, on: date
) -> int:
"""Saldo in die Hauptwährung umgerechnet (aktueller Kurs). Fällt auf den
nativen Wert zurück, wenn kein Kurs verfügbar ist."""
native = account_balance_cents(db, account)
if account.currency == base_currency:
return native
conv = currency.convert(db, native, account.currency, base_currency, on)
return conv if conv is not None else native
def net_worth_cents(db: Session, accounts: list[Account], base_currency: str, on: date) -> int:
return sum(
account_balance_base_cents(db, a, base_currency, on)
for a in accounts
if not a.is_archived
)
+82
View File
@@ -0,0 +1,82 @@
"""Währungsumrechnung EUR<->CHF über die lokal gecachten EZB-Referenzkurse.
Kurse werden als ``rate_per_eur`` gespeichert: wie viele Einheiten der Währung
ein Euro wert war (EUR ist implizit 1.0). Umgerechnet wird immer mit dem Kurs zum
Buchungsdatum; fehlt ein Kurs für genau diesen Tag (Wochenende/Feiertag), wird der
letzte verfügbare Börsentag davor genommen.
"""
from datetime import date
from decimal import Decimal, ROUND_HALF_UP
from sqlalchemy.orm import Session
from ..models import ExchangeRate
def rate_on(db: Session, currency: str, on: date) -> Decimal | None:
"""Kurs (Währungseinheiten je 1 EUR) am Tag ``on`` oder dem letzten davor."""
if currency == "EUR":
return Decimal(1)
row = (
db.query(ExchangeRate)
.filter(ExchangeRate.currency == currency, ExchangeRate.date <= on)
.order_by(ExchangeRate.date.desc())
.first()
)
return Decimal(str(row.rate_per_eur)) if row is not None else None
def _round_cents(value: Decimal) -> int:
return int(value.quantize(Decimal(1), rounding=ROUND_HALF_UP))
def to_eur_cents(
db: Session, amount_cents: int, currency: str, on: date, fx_rate: float | None = None
) -> int | None:
"""Rechnet einen Betrag in Kontowährung in EUR-Cent um.
``fx_rate`` (Kontowährung je 1 EUR) hat Vorrang vor dem EZB-Kurs. Gibt None
zurück, wenn kein Kurs verfügbar ist (Aufrufer entscheidet über Fallback)."""
if currency == "EUR":
return amount_cents
rate = Decimal(str(fx_rate)) if fx_rate else rate_on(db, currency, on)
if not rate or rate == 0:
return None
return _round_cents(Decimal(amount_cents) / rate)
def from_eur_cents(db: Session, eur_cents: int, currency: str, on: date) -> int | None:
"""Rechnet EUR-Cent in die Zielwährung um (Kurs zum Tag ``on``)."""
if currency == "EUR":
return eur_cents
rate = rate_on(db, currency, on)
if rate is None:
return None
return _round_cents(Decimal(eur_cents) * rate)
def convert(
db: Session,
amount_cents: int,
from_ccy: str,
to_ccy: str,
on: date,
fx_rate: float | None = None,
) -> int | None:
"""Rechnet zwischen zwei Währungen um (über EUR als Pivot)."""
if from_ccy == to_ccy:
return amount_cents
eur = to_eur_cents(db, amount_cents, from_ccy, on, fx_rate)
if eur is None:
return None
return from_eur_cents(db, eur, to_ccy, on)
def compute_amount_eur_cents(
db: Session, amount_cents: int, currency: str, on: date, fx_rate: float | None = None
) -> int:
"""Eingefrorener EUR-Wert für eine Transaktion. Fällt notfalls (kein Kurs
verfügbar) auf 1:1 zurück, damit das Speichern nie scheitert."""
eur = to_eur_cents(db, amount_cents, currency, on, fx_rate)
return eur if eur is not None else amount_cents
+82
View File
@@ -0,0 +1,82 @@
"""EZB-Referenzkurse laden und lokal cachen.
Die EZB veröffentlicht die Euro-Referenzkurse werktäglich als XML: ein Tages-Feed,
ein 90-Tage-Feed und die volle Historie seit 1999. Wir brauchen nur CHF. Historische
Kurse ändern sich nicht – vorhandene Zeilen werden daher nicht überschrieben.
"""
import xml.etree.ElementTree as ET
from datetime import date
from decimal import Decimal
import httpx
from sqlalchemy.orm import Session
from ..models import ExchangeRate
FEED_90D = "https://www.ecb.europa.eu/stats/eurofxref/eurofxref-hist-90d.xml"
FEED_FULL = "https://www.ecb.europa.eu/stats/eurofxref/eurofxref-hist.xml"
# Welche Währungen wir speichern (Hauptwährungen des Nutzers: EUR ist Pivot).
CURRENCIES = {"CHF"}
def _parse(xml_bytes: bytes) -> list[tuple[date, str, str]]:
"""Extrahiert (Datum, Währung, Kurs) aus dem EZB-XML (namespace-tolerant)."""
root = ET.fromstring(xml_bytes)
rows: list[tuple[date, str, str]] = []
for elem in root.iter():
t = elem.attrib.get("time")
if not t:
continue
try:
d = date.fromisoformat(t)
except ValueError:
continue
for child in elem:
ccy = child.attrib.get("currency")
rate = child.attrib.get("rate")
if ccy in CURRENCIES and rate:
rows.append((d, ccy, rate))
return rows
def _fetch(url: str, timeout: float = 15.0) -> bytes:
with httpx.Client(timeout=timeout, follow_redirects=True) as client:
resp = client.get(url)
resp.raise_for_status()
return resp.content
def _upsert(db: Session, rows: list[tuple[date, str, str]]) -> int:
added = 0
for d, ccy, rate in rows:
if db.get(ExchangeRate, (d, ccy)) is None:
db.add(ExchangeRate(date=d, currency=ccy, rate_per_eur=Decimal(rate), source="ecb"))
added += 1
if added:
db.commit()
return added
def refresh_recent(db: Session) -> int:
"""Lädt die letzten ~90 Tage (schnell) und ergänzt fehlende Tage."""
return _upsert(db, _parse(_fetch(FEED_90D)))
def backfill_full(db: Session) -> int:
"""Lädt die komplette Historie (einmalig, größer)."""
return _upsert(db, _parse(_fetch(FEED_FULL)))
def ensure_rates_on_startup(db: Session, enabled: bool) -> None:
"""Beim App-Start best-effort die aktuellen Kurse nachladen.
Blockiert nie hart: Ohne Internet läuft die App weiter, nur ohne frische Kurse.
Die volle Historie holt das Install-Skript / der systemd-Timer separat."""
if not enabled:
return
try:
refresh_recent(db)
except Exception: # noqa: BLE001 – bewusst tolerant (Netz weg etc.)
pass
@@ -0,0 +1,133 @@
"""Konten, Identifikatoren, Kategorien(-gruppen), Transaktionen, Wechselkurse.
Revision ID: 0002
Revises: 0001
Create Date: 2026-08-19
"""
from alembic import op
import sqlalchemy as sa
revision = "0002"
down_revision = "0001"
branch_labels = None
depends_on = None
def upgrade() -> None:
op.create_table(
"accounts",
sa.Column("id", sa.Integer(), primary_key=True),
sa.Column("owner_id", sa.Integer(), sa.ForeignKey("users.id", ondelete="CASCADE"), nullable=False),
sa.Column("name", sa.String(length=120), nullable=False),
sa.Column("type", sa.String(length=32), nullable=False),
sa.Column("currency", sa.String(length=3), nullable=False),
sa.Column("icon", sa.String(length=40), nullable=False, server_default="wallet"),
sa.Column("color", sa.String(length=9), nullable=False, server_default="#3f51b5"),
sa.Column("opening_balance_cents", sa.Integer(), nullable=False, server_default=sa.text("0")),
sa.Column("opening_date", sa.Date(), nullable=True),
sa.Column("is_archived", sa.Boolean(), nullable=False, server_default=sa.text("0")),
sa.Column("position", sa.Integer(), nullable=False, server_default=sa.text("0")),
sa.Column("created_at", sa.DateTime(timezone=True), nullable=True),
sa.Column("updated_at", sa.DateTime(timezone=True), nullable=True),
)
op.create_index("ix_accounts_owner_id", "accounts", ["owner_id"])
op.create_table(
"account_identifiers",
sa.Column("id", sa.Integer(), primary_key=True),
sa.Column("account_id", sa.Integer(), sa.ForeignKey("accounts.id", ondelete="CASCADE"), nullable=False),
sa.Column("kind", sa.String(length=32), nullable=False),
sa.Column("value", sa.String(length=64), nullable=False),
sa.Column("value_norm", sa.String(length=64), nullable=False),
sa.UniqueConstraint("account_id", "kind", "value_norm", name="uq_ident_account_kind_value"),
)
op.create_index("ix_account_identifiers_account_id", "account_identifiers", ["account_id"])
op.create_index("ix_account_identifiers_value_norm", "account_identifiers", ["value_norm"])
op.create_table(
"category_groups",
sa.Column("id", sa.Integer(), primary_key=True),
sa.Column("owner_id", sa.Integer(), sa.ForeignKey("users.id", ondelete="CASCADE"), nullable=False),
sa.Column("name", sa.String(length=120), nullable=False),
sa.Column("kind", sa.String(length=32), nullable=False),
sa.Column("icon", sa.String(length=40), nullable=False, server_default="list"),
sa.Column("color", sa.String(length=9), nullable=False, server_default="#6b7480"),
sa.Column("position", sa.Integer(), nullable=False, server_default=sa.text("0")),
sa.Column("is_builtin", sa.Boolean(), nullable=False, server_default=sa.text("0")),
)
op.create_index("ix_category_groups_owner_id", "category_groups", ["owner_id"])
op.create_table(
"categories",
sa.Column("id", sa.Integer(), primary_key=True),
sa.Column("owner_id", sa.Integer(), sa.ForeignKey("users.id", ondelete="CASCADE"), nullable=False),
sa.Column("group_id", sa.Integer(), sa.ForeignKey("category_groups.id", ondelete="CASCADE"), nullable=False),
sa.Column("name", sa.String(length=120), nullable=False),
sa.Column("type", sa.String(length=32), nullable=False),
sa.Column("icon", sa.String(length=40), nullable=False, server_default="more-horizontal"),
sa.Column("color", sa.String(length=9), nullable=False, server_default="#6b7480"),
sa.Column("position", sa.Integer(), nullable=False, server_default=sa.text("0")),
sa.Column("is_builtin", sa.Boolean(), nullable=False, server_default=sa.text("0")),
sa.Column("is_archived", sa.Boolean(), nullable=False, server_default=sa.text("0")),
)
op.create_index("ix_categories_owner_id", "categories", ["owner_id"])
op.create_index("ix_categories_group_id", "categories", ["group_id"])
op.create_table(
"transactions",
sa.Column("id", sa.Integer(), primary_key=True),
sa.Column("owner_id", sa.Integer(), sa.ForeignKey("users.id", ondelete="CASCADE"), nullable=False),
sa.Column("type", sa.String(length=32), nullable=False),
sa.Column("date", sa.Date(), nullable=False),
sa.Column("time", sa.Time(), nullable=True),
sa.Column("account_id", sa.Integer(), sa.ForeignKey("accounts.id", ondelete="CASCADE"), nullable=False),
sa.Column("to_account_id", sa.Integer(), sa.ForeignKey("accounts.id", ondelete="CASCADE"), nullable=True),
sa.Column("amount_cents", sa.Integer(), nullable=False),
sa.Column("to_amount_cents", sa.Integer(), nullable=True),
sa.Column("fx_rate", sa.Numeric(18, 8), nullable=True),
sa.Column("amount_eur_cents", sa.Integer(), nullable=False, server_default=sa.text("0")),
sa.Column("category_id", sa.Integer(), sa.ForeignKey("categories.id", ondelete="SET NULL"), nullable=True),
sa.Column("budget_treatment", sa.String(length=32), nullable=True),
sa.Column("budget_category_id", sa.Integer(), sa.ForeignKey("categories.id", ondelete="SET NULL"), nullable=True),
sa.Column("payee", sa.String(length=255), nullable=True),
sa.Column("description", sa.String(length=255), nullable=True),
sa.Column("notes", sa.Text(), nullable=True),
sa.Column("created_at", sa.DateTime(timezone=True), nullable=True),
sa.Column("updated_at", sa.DateTime(timezone=True), nullable=True),
)
op.create_index("ix_transactions_owner_id", "transactions", ["owner_id"])
op.create_index("ix_transactions_date", "transactions", ["date"])
op.create_index("ix_transactions_account_id", "transactions", ["account_id"])
op.create_index("ix_transactions_to_account_id", "transactions", ["to_account_id"])
op.create_index("ix_transactions_category_id", "transactions", ["category_id"])
op.create_table(
"exchange_rates",
sa.Column("date", sa.Date(), primary_key=True),
sa.Column("currency", sa.String(length=3), primary_key=True),
sa.Column("rate_per_eur", sa.Numeric(18, 8), nullable=False),
sa.Column("source", sa.String(length=16), nullable=False, server_default="ecb"),
)
def downgrade() -> None:
op.drop_table("exchange_rates")
for ix in (
"ix_transactions_category_id",
"ix_transactions_to_account_id",
"ix_transactions_account_id",
"ix_transactions_date",
"ix_transactions_owner_id",
):
op.drop_index(ix, table_name="transactions")
op.drop_table("transactions")
op.drop_index("ix_categories_group_id", table_name="categories")
op.drop_index("ix_categories_owner_id", table_name="categories")
op.drop_table("categories")
op.drop_index("ix_category_groups_owner_id", table_name="category_groups")
op.drop_table("category_groups")
op.drop_index("ix_account_identifiers_value_norm", table_name="account_identifiers")
op.drop_index("ix_account_identifiers_account_id", table_name="account_identifiers")
op.drop_table("account_identifiers")
op.drop_index("ix_accounts_owner_id", table_name="accounts")
op.drop_table("accounts")
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[pytest]
pythonpath = .
testpaths = tests
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"""EZB-Wechselkurse laden (aus dem backend/-Verzeichnis: ``python -m scripts.backfill_rates``).
Ohne Argument: volle Historie. Mit ``--recent``: nur die letzten ~90 Tage
(für den täglichen systemd-Timer).
"""
import sys
from app.database import SessionLocal
from app.services import ecb_rates
def main() -> None:
recent = "--recent" in sys.argv
db = SessionLocal()
try:
if recent:
n = ecb_rates.refresh_recent(db)
print(f"{n} neue Kurs-Tage geladen (90-Tage-Feed).")
else:
n = ecb_rates.backfill_full(db)
print(f"{n} neue Kurs-Tage geladen (volle Historie).")
finally:
db.close()
if __name__ == "__main__":
main()
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"""Test-Setup: frische SQLite-DB je Testlauf, kein EZB-Netzabruf."""
import os
import secrets
import tempfile
# Umgebung setzen, BEVOR app importiert wird (config wird beim Import gelesen).
os.environ.setdefault("APP_DATA_DIR", tempfile.mkdtemp(prefix="cf-test-"))
os.environ.setdefault("APP_ECB_FETCH_ON_START", "false")
os.environ.setdefault("APP_ADMIN_USERNAME", "admin")
os.environ.setdefault("APP_ADMIN_PASSWORD", "adminpass")
os.environ.setdefault("APP_SESSION_SECRET", "test-secret")
import pytest
from fastapi.testclient import TestClient
@pytest.fixture()
def client():
from app.main import app
with TestClient(app) as c:
yield c
@pytest.fixture()
def admin(client):
r = client.post("/api/auth/login", data={"username": "admin", "password": "adminpass"})
assert r.status_code == 200
return client
def new_user(admin_client) -> tuple[str, str]:
"""Legt (als Admin) einen frischen Nutzer an und gibt (username, passwort) zurück."""
username = "u_" + secrets.token_hex(4)
password = "pw_" + secrets.token_hex(4)
r = admin_client.post("/api/users", json={"username": username, "password": password, "role": "user"})
assert r.status_code == 201, r.text
return username, password
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from datetime import date, timedelta
from decimal import Decimal
def _seed_recent_rates(rate: str = "0.95") -> None:
from app.database import SessionLocal
from app.models import ExchangeRate
db = SessionLocal()
try:
today = date.today()
for delta in range(0, 7):
day = today - timedelta(days=delta)
if db.get(ExchangeRate, (day, "CHF")) is None:
db.add(ExchangeRate(date=day, currency="CHF", rate_per_eur=Decimal(rate)))
db.commit()
finally:
db.close()
def _mk_account(admin, **kw):
body = {"name": "A", "type": "girokonto", "currency": "EUR", "opening_balance_cents": 0}
body.update(kw)
r = admin.post("/api/accounts", json=body)
assert r.status_code == 201, r.text
return r.json()
def test_starter_categories_present(admin):
groups = admin.get("/api/categories").json()
assert len(groups) >= 6
names = {c["name"] for g in groups for c in g["categories"]}
assert {"Gehalt", "Lebensmittel", "Sparen & Investments"} <= names
def test_currency_validation(admin):
r = admin.post("/api/accounts", json={"name": "X", "currency": "USD"})
assert r.status_code == 422
def test_identifiers_stored_and_deduped(admin):
acc = _mk_account(
admin,
name="Mit IBAN",
identifiers=[
{"kind": "iban", "value": "DE12 3456"},
{"kind": "iban", "value": "de123456"}, # normiert identisch -> dedupliziert
{"kind": "card_no", "value": "1234"},
],
)
kinds = sorted((i["kind"], i["value"]) for i in acc["identifiers"])
assert len(acc["identifiers"]) == 2
assert ("card_no", "1234") in kinds
def test_balance_and_cross_currency_transfer(admin):
_seed_recent_rates("0.95")
d = date.today()
eur = _mk_account(admin, name="Giro", currency="EUR", opening_balance_cents=100000)
chf = _mk_account(admin, name="Spar", type="sparkonto", currency="CHF", opening_balance_cents=0)
admin.post("/api/transactions", json={"type": "income", "date": str(d), "account_id": eur["id"], "amount_cents": 50000})
admin.post("/api/transactions", json={"type": "expense", "date": str(d), "account_id": eur["id"], "amount_cents": 20000})
assert admin.get(f"/api/accounts/{eur['id']}").json()["balance_cents"] == 130000
# Transfer 100 EUR -> CHF (0.95) = 95 CHF gutgeschrieben.
r = admin.post("/api/transactions", json={
"type": "transfer", "date": str(d), "account_id": eur["id"],
"to_account_id": chf["id"], "amount_cents": 10000,
})
assert r.status_code == 201, r.text
assert r.json()["to_amount_cents"] == 9500
assert admin.get(f"/api/accounts/{eur['id']}").json()["balance_cents"] == 120000
assert admin.get(f"/api/accounts/{chf['id']}").json()["balance_cents"] == 9500
def test_transfer_requires_other_account(admin):
eur = _mk_account(admin, name="Solo", currency="EUR")
d = date.today()
r = admin.post("/api/transactions", json={
"type": "transfer", "date": str(d), "account_id": eur["id"],
"to_account_id": eur["id"], "amount_cents": 100,
})
assert r.status_code == 400
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from datetime import date
from decimal import Decimal
def _ensure_rate(day: date, rate: str) -> None:
from app.database import SessionLocal
from app.models import ExchangeRate
db = SessionLocal()
try:
if db.get(ExchangeRate, (day, "CHF")) is None:
db.add(ExchangeRate(date=day, currency="CHF", rate_per_eur=Decimal(rate)))
db.commit()
finally:
db.close()
def test_conversion_and_override(admin):
from app.database import SessionLocal
from app.services import currency
d = date(2026, 1, 15)
_ensure_rate(d, "0.95")
db = SessionLocal()
try:
assert currency.to_eur_cents(db, 9500, "CHF", d) == 10000 # 9500 / 0.95
assert currency.from_eur_cents(db, 10000, "CHF", d) == 9500
assert currency.convert(db, 10000, "EUR", "CHF", d) == 9500
assert currency.to_eur_cents(db, 5000, "EUR", d) == 5000 # EUR bleibt EUR
# Manuell gesetzter Kurs hat Vorrang vor dem EZB-Kurs.
assert currency.to_eur_cents(db, 10000, "CHF", d, fx_rate=2.0) == 5000
finally:
db.close()
def test_weekend_fallback(admin):
from app.database import SessionLocal
from app.services import currency
friday = date(2026, 3, 6)
sunday = date(2026, 3, 8) # kein Kurs -> Freitag gilt
_ensure_rate(friday, "0.90")
db = SessionLocal()
try:
assert currency.rate_on(db, "CHF", sunday) == Decimal("0.90")
finally:
db.close()
def test_missing_rate_returns_none(admin):
from app.database import SessionLocal
from app.services import currency
db = SessionLocal()
try:
# Weit in der Vergangenheit gibt es keinen Kurs -> None.
assert currency.to_eur_cents(db, 1000, "CHF", date(1990, 1, 1)) is None
finally:
db.close()
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import secrets
from datetime import date
def test_users_are_isolated(admin):
from fastapi.testclient import TestClient
from app.main import app
# Admin legt ein Konto an.
acc = admin.post("/api/accounts", json={"name": "AdminKonto", "currency": "EUR"}).json()
# Frischen Nutzer anlegen und getrennt einloggen.
username = "iso_" + secrets.token_hex(4)
password = "pw_" + secrets.token_hex(4)
assert admin.post("/api/users", json={"username": username, "password": password, "role": "user"}).status_code == 201
other = TestClient(app)
assert other.post("/api/auth/login", data={"username": username, "password": password}).status_code == 200
# Sieht keine fremden Konten/Buchungen.
assert other.get("/api/accounts").json() == []
assert other.get("/api/transactions").json() == []
# Zugriff auf fremdes Konto -> 404 (nicht 403: existiert für ihn schlicht nicht).
assert other.get(f"/api/accounts/{acc['id']}").status_code == 404
# Buchung auf fremdes Konto -> 404.
r = other.post("/api/transactions", json={
"type": "expense", "date": str(date.today()), "account_id": acc["id"], "amount_cents": 100,
})
assert r.status_code == 404
# Eigene Startkategorien sind vorhanden.
assert len(other.get("/api/categories").json()) >= 6
# Kein Admin: darf keine Nutzer listen.
assert other.get("/api/users").status_code == 403