237 lines
8.3 KiB
Python
237 lines
8.3 KiB
Python
import uuid
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from datetime import datetime, timezone
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from sqlalchemy import DateTime, func
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from sqlalchemy.ext.asyncio import AsyncSession
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from sqlmodel import Field, SQLModel, select
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def _now() -> datetime:
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return datetime.now(timezone.utc)
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class EmailConfirmationTokens(SQLModel, table=True):
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__tablename__ = "email_confirmation_tokens"
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id: uuid.UUID = Field(default_factory=uuid.uuid4, primary_key=True)
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user_id: uuid.UUID = Field(index=True, foreign_key="users.id")
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email: str = Field(index=True)
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token_hash: str
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expires_at: datetime = Field(sa_type=DateTime(timezone=True))
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is_used: bool = Field(default=False)
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confirmed_at: datetime | None = Field(default=None, sa_type=DateTime(timezone=True))
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created_at: datetime = Field(default_factory=_now, sa_type=DateTime(timezone=True))
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updated_at: datetime = Field(default_factory=_now, sa_type=DateTime(timezone=True))
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@staticmethod
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def _as_uuid(record_id: str) -> uuid.UUID | None:
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try:
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return uuid.UUID(str(record_id))
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except ValueError:
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return None
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@classmethod
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async def get_token_by_id(cls, session: AsyncSession, record_id: str):
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uid = cls._as_uuid(record_id)
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if uid is None:
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return None
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result = await session.execute(select(cls).where(cls.id == uid))
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return result.scalars().first()
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@classmethod
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async def get_active_token_by_user(cls, session: AsyncSession, user_id: str):
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"""Newest unused token for a user (expiry checked in Python by the service)."""
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uid = cls._as_uuid(user_id)
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if uid is None:
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return None
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statement = (
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select(cls)
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.where(cls.user_id == uid, cls.is_used == False) # noqa: E712
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.order_by(cls.created_at.desc())
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)
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result = await session.execute(statement)
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return result.scalars().first()
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@classmethod
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async def insert_token(cls, session: AsyncSession, fields: dict):
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row = cls(**fields)
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session.add(row)
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await session.commit()
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return await cls.get_token_by_id(session, row.id)
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@classmethod
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async def mark_confirmed(cls, session: AsyncSession, record_id: str):
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row = await cls.get_token_by_id(session, record_id)
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if not row:
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return None
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row.is_used = True
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row.confirmed_at = _now()
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row.updated_at = _now()
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session.add(row)
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await session.commit()
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await session.refresh(row)
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return row
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@classmethod
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async def mark_used(cls, session: AsyncSession, record_id: str):
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"""Retire a token without confirming it — used when the mail send fails."""
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row = await cls.get_token_by_id(session, record_id)
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if not row:
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return None
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row.is_used = True
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row.updated_at = _now()
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session.add(row)
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await session.commit()
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await session.refresh(row)
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return row
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@classmethod
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async def invalidate_tokens_for_user(cls, session: AsyncSession, user_id: str):
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uid = cls._as_uuid(user_id)
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if uid is None:
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return 0
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statement = select(cls).where(cls.user_id == uid, cls.is_used == False) # noqa: E712
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result = await session.execute(statement)
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rows = result.scalars().all()
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now = _now()
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for row in rows:
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row.is_used = True
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row.updated_at = now
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session.add(row)
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await session.commit()
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return len(rows)
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class Notifications(SQLModel, table=True):
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__tablename__ = "notifications"
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id: uuid.UUID = Field(default_factory=uuid.uuid4, primary_key=True)
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user_id: uuid.UUID = Field(index=True, foreign_key="users.id")
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kind: str
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title: str
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body: str | None = Field(default=None)
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link_path: str | None = Field(default=None)
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inbox_id: int | None = Field(default=None)
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job_post_id: uuid.UUID | None = Field(default=None)
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is_read: bool = Field(default=False, index=True)
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created_at: datetime = Field(default_factory=_now, sa_type=DateTime(timezone=True))
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is_deleted: bool = Field(default=False)
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@staticmethod
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def _as_uuid(record_id) -> uuid.UUID | None:
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if record_id in (None, ""):
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return None
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try:
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return uuid.UUID(str(record_id))
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except ValueError:
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return None
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@classmethod
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async def get_by_id(cls, session: AsyncSession, record_id, *, user_id=None):
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uid = cls._as_uuid(record_id)
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if uid is None:
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return None
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statement = select(cls).where(cls.id == uid, cls.is_deleted == False) # noqa: E712
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if user_id is not None:
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statement = statement.where(cls.user_id == user_id)
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result = await session.execute(statement)
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return result.scalars().first()
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@classmethod
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async def fetch_notifications(
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cls,
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session: AsyncSession,
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*,
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user_id,
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unread_only: bool = False,
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top: int | None = None,
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skip: int = 0,
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):
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statement = select(cls).where(
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cls.user_id == user_id, cls.is_deleted == False # noqa: E712
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)
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if unread_only:
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statement = statement.where(cls.is_read == False) # noqa: E712
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count_statement = select(func.count()).select_from(statement.subquery())
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total = (await session.execute(count_statement)).scalar_one()
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unread_statement = select(func.count()).select_from(cls).where(
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cls.user_id == user_id,
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cls.is_deleted == False, # noqa: E712
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cls.is_read == False, # noqa: E712
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)
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unread = (await session.execute(unread_statement)).scalar_one()
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statement = statement.order_by(cls.created_at.desc())
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if skip:
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statement = statement.offset(skip)
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if top is not None:
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statement = statement.limit(top)
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result = await session.execute(statement)
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return list(result.scalars().all()), total, unread
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@classmethod
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async def insert_notification(cls, session: AsyncSession, fields: dict):
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row = cls(**fields)
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session.add(row)
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await session.commit()
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return await cls.get_by_id(session, row.id)
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@classmethod
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async def insert_many(cls, session: AsyncSession, payloads, *, commit: bool = True):
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"""One row per payload. `commit=False` rides the caller's transaction."""
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rows = []
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for fields in payloads or []:
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uid = cls._as_uuid(fields.get("user_id"))
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if uid is None or not fields.get("kind") or not fields.get("title"):
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continue
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job_id = cls._as_uuid(fields.get("job_post_id")) if fields.get("job_post_id") else None
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row = cls(
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user_id=uid,
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kind=fields["kind"],
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title=fields["title"],
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body=fields.get("body"),
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link_path=fields.get("link_path"),
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inbox_id=fields.get("inbox_id"),
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job_post_id=job_id,
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)
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session.add(row)
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rows.append(row)
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if commit and rows:
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await session.commit()
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return rows
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@classmethod
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async def mark_read(cls, session: AsyncSession, record_id, *, user_id):
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row = await cls.get_by_id(session, record_id, user_id=user_id)
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if not row:
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return None
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row.is_read = True
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session.add(row)
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await session.commit()
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await session.refresh(row)
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return row
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@classmethod
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async def mark_all_read(cls, session: AsyncSession, user_id):
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statement = select(cls).where(
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cls.user_id == user_id,
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cls.is_deleted == False, # noqa: E712
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cls.is_read == False, # noqa: E712
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)
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result = await session.execute(statement)
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rows = list(result.scalars().all())
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for row in rows:
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row.is_read = True
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session.add(row)
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await session.commit()
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return len(rows)
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@classmethod
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async def soft_delete_notification(cls, session: AsyncSession, record_id, *, user_id):
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row = await cls.get_by_id(session, record_id, user_id=user_id)
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if not row:
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return None
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row.is_deleted = True
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session.add(row)
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await session.commit()
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return row
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