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shaguabijia-app-server/app/models/analytics_selfstat.py
T

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Python

"""埋点/上报成功率自报计数快照表(append-only)。
客户端周期上报「自 epoch 起算的累计计数」;服务端只存原始快照,查询时在 Python 侧差分聚合
(见 app/admin/repositories/analytics_health.py)。与既有 analytics_event 表完全独立。
- analytics_selfstat :一快照一行(快照头 + 设备维度 + 设备级诊断量)
- analytics_selfstat_event :一 event 一行(四类累计计数),外键指向快照头
"""
from __future__ import annotations
from datetime import datetime
from sqlalchemy import BigInteger, DateTime, ForeignKey, Integer, String, func
from sqlalchemy.orm import Mapped, mapped_column
from app.db.base import Base
class AnalyticsSelfStat(Base):
__tablename__ = "analytics_selfstat"
id: Mapped[int] = mapped_column(Integer, primary_key=True, autoincrement=True)
device_id: Mapped[str] = mapped_column(String(64), index=True, nullable=False)
epoch_id: Mapped[str] = mapped_column(String(64), index=True, nullable=False)
# 设备维度(每设备固定,下钻用)
app_ver: Mapped[str | None] = mapped_column(String(32), nullable=True)
oem: Mapped[str | None] = mapped_column(String(32), nullable=True)
os: Mapped[str | None] = mapped_column(String(32), nullable=True)
# 设备级诊断量(累计;queue_depth 是瞬时 gauge)
batches_attempted: Mapped[int] = mapped_column(BigInteger, nullable=False, default=0)
batches_ok: Mapped[int] = mapped_column(BigInteger, nullable=False, default=0)
batches_fail: Mapped[int] = mapped_column(BigInteger, nullable=False, default=0)
retries: Mapped[int] = mapped_column(BigInteger, nullable=False, default=0)
queue_depth: Mapped[int] = mapped_column(Integer, nullable=False, default=0)
sent_at: Mapped[int | None] = mapped_column(BigInteger, nullable=True) # 端上报时刻 epoch ms
# 服务端接收时间(权威,用于时间分桶与分区排序)
created_at: Mapped[datetime] = mapped_column(
DateTime(timezone=True), server_default=func.now(), index=True, nullable=False
)
def __repr__(self) -> str: # pragma: no cover
return f"<AnalyticsSelfStat id={self.id} device={self.device_id} epoch={self.epoch_id}>"
class AnalyticsSelfStatEvent(Base):
__tablename__ = "analytics_selfstat_event"
id: Mapped[int] = mapped_column(Integer, primary_key=True, autoincrement=True)
snapshot_id: Mapped[int] = mapped_column(
ForeignKey("analytics_selfstat.id"), index=True, nullable=False
)
event: Mapped[str] = mapped_column(String(64), index=True, nullable=False)
attempted: Mapped[int] = mapped_column(BigInteger, nullable=False, default=0)
drop_capture: Mapped[int] = mapped_column(BigInteger, nullable=False, default=0)
delivered: Mapped[int] = mapped_column(BigInteger, nullable=False, default=0)
drop_undelivered: Mapped[int] = mapped_column(BigInteger, nullable=False, default=0)
def __repr__(self) -> str: # pragma: no cover
return f"<AnalyticsSelfStatEvent snap={self.snapshot_id} event={self.event}>"