Files

66 lines
2.6 KiB
Python

"""Модели рассылок."""
from datetime import datetime
from sqlalchemy import (
DateTime,
ForeignKey,
JSON,
String,
Text,
UniqueConstraint,
func,
)
from sqlalchemy.orm import Mapped, mapped_column
from app.db.session import Base
from app.models.enums import BroadcastStatus, BroadcastType, RecipientStatus
from app.models.types import enum_col
class BroadcastTemplate(Base):
__tablename__ = "broadcast_templates"
id: Mapped[int] = mapped_column(primary_key=True)
code: Mapped[str] = mapped_column(String(64), unique=True)
name: Mapped[str] = mapped_column(String(200))
type: Mapped[BroadcastType] = mapped_column(enum_col(BroadcastType))
body_template: Mapped[str] = mapped_column(Text)
created_at: Mapped[datetime] = mapped_column(DateTime(timezone=True), server_default=func.now())
updated_at: Mapped[datetime] = mapped_column(
DateTime(timezone=True), server_default=func.now(), onupdate=func.now()
)
class Broadcast(Base):
__tablename__ = "broadcasts"
id: Mapped[int] = mapped_column(primary_key=True)
template_id: Mapped[int | None] = mapped_column(ForeignKey("broadcast_templates.id"))
type: Mapped[BroadcastType] = mapped_column(enum_col(BroadcastType))
subject: Mapped[str | None] = mapped_column(String(300))
body: Mapped[str | None] = mapped_column(Text)
audience_filter: Mapped[dict | None] = mapped_column(JSON)
status: Mapped[BroadcastStatus] = mapped_column(
enum_col(BroadcastStatus), default=BroadcastStatus.DRAFT
)
scheduled_at: Mapped[datetime | None] = mapped_column(DateTime(timezone=True))
started_at: Mapped[datetime | None] = mapped_column(DateTime(timezone=True))
finished_at: Mapped[datetime | None] = mapped_column(DateTime(timezone=True))
created_by: Mapped[int | None] = mapped_column(ForeignKey("users.id"))
created_at: Mapped[datetime] = mapped_column(DateTime(timezone=True), server_default=func.now())
class BroadcastRecipient(Base):
__tablename__ = "broadcast_recipients"
id: Mapped[int] = mapped_column(primary_key=True)
broadcast_id: Mapped[int] = mapped_column(ForeignKey("broadcasts.id", ondelete="CASCADE"))
user_id: Mapped[int] = mapped_column(ForeignKey("users.id", ondelete="CASCADE"))
status: Mapped[RecipientStatus] = mapped_column(
enum_col(RecipientStatus), default=RecipientStatus.PENDING
)
sent_at: Mapped[datetime | None] = mapped_column(DateTime(timezone=True))
error: Mapped[str | None] = mapped_column(Text)
__table_args__ = (UniqueConstraint("broadcast_id", "user_id", name="uq_broadcast_user"),)