Files
postbot/app/models/templates.py

91 lines
3.8 KiB
Python

from __future__ import annotations
from datetime import datetime
from typing import Optional
from sqlalchemy import DateTime, Enum, ForeignKey, String, UniqueConstraint, func, Text, JSON, Boolean
from sqlalchemy.orm import Mapped, mapped_column
from sqlalchemy.sql.sqltypes import Enum as EnumType # Явный импорт Enum для типизации
from app.db.session import Base
from app.models.post import PostType
from enum import Enum as PyEnum
class PostStatus(str, PyEnum):
draft = "draft"
scheduled = "scheduled"
sent = "sent"
failed = "failed"
class TemplateVisibility(str, PyEnum):
private = "private"
org = "org"
public = "public"
class Template(Base):
__tablename__ = "templates"
__table_args__ = (
UniqueConstraint("owner_id", "name", name="uq_template_owner_name"),
)
id: Mapped[int] = mapped_column(primary_key=True)
owner_id: Mapped[int] = mapped_column(ForeignKey("users.id"))
name: Mapped[str] = mapped_column(String(100))
title: Mapped[str] = mapped_column(String(200))
description: Mapped[Optional[str]] = mapped_column(Text, nullable=True)
content: Mapped[str] = mapped_column(Text)
keyboard_tpl: Mapped[Optional[dict]] = mapped_column(JSON, nullable=True)
parse_mode: Mapped[str] = mapped_column(String(20), default="HTML")
type: Mapped[PostType] = mapped_column(Enum(PostType))
visibility: Mapped[TemplateVisibility] = mapped_column(
EnumType(TemplateVisibility),
default=TemplateVisibility.private
)
created_at: Mapped[datetime] = mapped_column(DateTime, server_default=func.now())
updated_at: Mapped[datetime] = mapped_column(
DateTime,
server_default=func.now(),
onupdate=func.now()
)
@classmethod
async def get_by_name(cls, session, name: str) -> Optional[Template]:
"""Получение шаблона по имени."""
stmt = cls.__table__.select().where(cls.__table__.c.name == name)
result = await session.execute(stmt)
return result.scalar_one_or_none()
async def render(self, template_vars: dict, context: dict) -> dict:
"""Рендеринг шаблона.
Args:
template_vars: Переменные для подстановки
context: Дополнительный контекст
Returns:
Отрендеренные данные
"""
text = self.content
keyboard = self.keyboard_tpl
# Подстановка переменных
for key, value in template_vars.items():
text = text.replace(f"{{${key}}}", str(value))
# Подготовка данных для отправки
return {
"type": self.type,
"text": text,
"keyboard": keyboard,
"parse_mode": self.parse_mode
}
id: Mapped[int] = mapped_column(primary_key=True)
owner_id: Mapped[int] = mapped_column(ForeignKey("users.id", ondelete="CASCADE"), index=True)
name: Mapped[str] = mapped_column(String(64))
title: Mapped[Optional[str]] = mapped_column(String(128))
type: Mapped[PostType] = mapped_column(EnumType(PostType), default=PostType.text)
content: Mapped[str] = mapped_column(Text)
keyboard_tpl: Mapped[Optional[list[dict]]] = mapped_column(JSON, nullable=True)
parse_mode: Mapped[Optional[str]] = mapped_column(String(16), default="HTML")
visibility: Mapped[TemplateVisibility] = mapped_column(EnumType(TemplateVisibility), default=TemplateVisibility.private)
is_archived: Mapped[bool] = mapped_column(Boolean, default=False)
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())