moneyfyandClaude Opus 5
0b06775be3
- Repo-Struktur für Backend, Frontend, Dokumentation und Gitea-Workflows - FastAPI-Skeleton mit pydantic-settings und RFC-7807-artigem Fehlerformat - Vollständiges Datenmodell (15 Tabellen) als SQLAlchemy-2.0-Modelle - Alembic gegen die Async-Engine inklusive Erstmigration - Idempotenter Seed für den deutschen Kategoriebaum und Standardregeln - Endpunkte /api/health und /api/version - pytest-Infrastruktur mit transaktionsisolierten Fixtures Co-Authored-By: Claude Opus 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_014e7t8UpmoVNMtWivY5LiSH
52 lines
1.5 KiB
Python
52 lines
1.5 KiB
Python
"""Deklarative Basisklasse und gemeinsame Spaltentypen."""
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from datetime import UTC, datetime
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from decimal import Decimal
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from sqlalchemy import DateTime, MetaData, Numeric
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from sqlalchemy.orm import DeclarativeBase, Mapped, mapped_column
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# Feste Namenskonventionen, damit Alembic stabile Constraint-Namen erzeugt.
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NAMING_CONVENTION = {
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"ix": "ix_%(column_0_label)s",
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"uq": "uq_%(table_name)s_%(column_0_name)s",
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"ck": "ck_%(table_name)s_%(constraint_name)s",
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"fk": "fk_%(table_name)s_%(column_0_name)s_%(referred_table_name)s",
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"pk": "pk_%(table_name)s",
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}
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# Alle Geldbeträge einheitlich als NUMERIC(12,2) -> Decimal.
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Money = Numeric(12, 2, asdecimal=True)
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def utcnow() -> datetime:
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"""Zeitstempel in UTC – die Anzeige rechnet nach Europe/Berlin um."""
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return datetime.now(UTC)
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class Base(DeclarativeBase):
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metadata = MetaData(naming_convention=NAMING_CONVENTION)
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type_annotation_map = { # noqa: RUF012
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Decimal: Money,
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}
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class TimestampMixin:
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"""created_at/updated_at für Tabellen mit Änderungsverfolgung."""
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created_at: Mapped[datetime] = mapped_column(
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DateTime(timezone=True), default=utcnow, nullable=False
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)
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updated_at: Mapped[datetime] = mapped_column(
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DateTime(timezone=True), default=utcnow, onupdate=utcnow, nullable=False
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)
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class CreatedAtMixin:
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"""Nur created_at für rein additive Tabellen."""
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created_at: Mapped[datetime] = mapped_column(
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DateTime(timezone=True), default=utcnow, nullable=False
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)
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