ForcePilot/backend/package/yuxi/channels/adapters/mappers.py
Kris bb1934023e refactor: 完成会话持久化与事务机制重构,清理冗余代码
本次提交是一次大型架构重构,核心变更包括:
1. 调整持久化适配器为无状态实现,通过session_factory按需获取会话
2. 重构事务共享与透传机制,统一使用_session_scope管理会话生命周期
3. 移除OutboxEntry聚合根内的版本自增逻辑,由持久化层统一管理
4. 优化微信插件会话类型枚举与配置对齐
5. 简化出站管道阶段依赖注入与流程逻辑
6. 删除健康检查自动释放会话的冗余代码
7. 重构多个定时任务处理器,移除显式会话工厂创建逻辑
8. 修复会话延迟加载异常问题,新增时区转换工具函数
2026-07-10 04:10:33 +08:00

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"""集中式 ORM↔dataclass 转换 + 加解密边界。
本模块是 ``channels/adapters/`` 下唯一调用 ``yuxi.utils.crypto`` 的文件,
负责 ORM Model ↔ 领域 dataclass 的字段映射与敏感字段加解密。
"""
from __future__ import annotations
import datetime as dt
from typing import Any
from yuxi.channels.contract.dtos.audit import AuditEntry, AuditOperationType
from yuxi.channels.contract.dtos.channel import (
AccountStatus,
ChannelAccount,
ChannelSession,
ChannelType,
OnboardingStatus,
UserIdentity,
)
from yuxi.channels.contract.dtos.outbox import (
MessageDurabilityPolicy,
OutboxEntry,
OutboxStatus,
)
from yuxi.channels.contract.dtos.pairing import PairingRecord, PairingStatus
from yuxi.channels.contract.dtos.route import RouteBindingRule
from yuxi.channels.contract.errors import DependencyError
from yuxi.channels.contract.errors.base import Error
from yuxi.storage.postgres.models_channels import (
ChannelAccount as ChannelAccountORM,
)
from yuxi.storage.postgres.models_channels import (
ChannelAuditLog as ChannelAuditLogORM,
)
from yuxi.storage.postgres.models_channels import (
ChannelOutboxEntry as ChannelOutboxEntryORM,
)
from yuxi.storage.postgres.models_channels import (
ChannelPairing as ChannelPairingORM,
)
from yuxi.storage.postgres.models_channels import (
ChannelRouteBinding as ChannelRouteBindingORM,
)
from yuxi.storage.postgres.models_channels import (
ChannelSession as ChannelSessionORM,
)
from yuxi.storage.postgres.models_channels import (
ChannelUserIdentity as ChannelUserIdentityORM,
)
from yuxi.utils.crypto import decrypt_sensitive_fields, encrypt_sensitive_fields
def _to_aware_utc(value: dt.datetime | None) -> dt.datetime | None:
"""将 ORM 读出的 naive UTC datetime 转换为 aware UTC datetime。
Postgres ``TIMESTAMP WITHOUT TIME ZONE`` 列由 SQLAlchemy 映射为
offset-naive datetime领域层统一使用 ``datetime.now(UTC)`` 等
offset-aware datetime 运算。本 helper 在 adapter→core 边界处转换,
避免 ``can't subtract offset-naive and offset-aware datetimes`` 等
时区混用错误。已是 aware 的值原样返回。
"""
if value is None:
return None
if value.tzinfo is None:
return value.replace(tzinfo=dt.UTC)
return value
def _enum[T, V](value: V, cls: type[T], resource: str) -> T:
"""安全构造枚举,将非法值翻译为 DependencyError。
ORM 字段在数据损坏/迁移残留场景下可能持有非法枚举值,原生
``Enum(...)`` 构造抛出 ``ValueError`` 会穿透至核心层,违反 INV-7。
本 helper 捕获 ``ValueError`` 并翻译为契约层 ``DependencyError``
保留原始异常链,资源标识用于错误追踪。
Args:
value: ORM 字段原始值。
cls: 目标枚举类型。
resource: 资源标识(如 ``"channel_account"``),用于错误信息。
Returns:
构造后的枚举实例。
Raises:
DependencyError: ``value`` 不是 ``cls`` 的合法成员。
"""
try:
return cls(value)
except ValueError as exc:
raise DependencyError(
resource,
Error(f"invalid enum value for {cls.__name__}: {value!r}"),
) from exc
# ═══════════════════════════════════════════════════════════════════════════
# 含敏感字段的 dataclass读取时解密 / 写入前加密)
# ═══════════════════════════════════════════════════════════════════════════
# ─── ChannelAccountdict 型敏感字段config ─────────────────────────────
def orm_to_channel_account(orm: ChannelAccountORM) -> ChannelAccount:
"""ORM → dataclass解密 ``config`` 字段。
解密失败时翻译为 ``DependencyError`` 抛出,保留原始异常链
(密钥变更或数据损坏场景),不让原生 ``ValueError`` 穿透至调用方。
存量数据兜底:``onboarding_status`` 为空时默认 ``OnboardingStatus.PENDING``。
"""
try:
config = decrypt_sensitive_fields(orm.config) or {}
except ValueError as exc:
raise DependencyError(
"channel_account",
Error(f"config decryption failed: {exc}"),
) from exc
onboarding_status_raw = orm.onboarding_status or OnboardingStatus.PENDING.value
return ChannelAccount(
channel_type=ChannelType(orm.channel_type),
account_id=orm.account_id,
display_name=orm.display_name,
config=config,
enabled=bool(orm.enabled),
status=_enum(orm.status, AccountStatus, "channel_account"),
created_at=orm.created_at,
updated_at=orm.updated_at,
transport_cursor=orm.transport_cursor or "",
last_rotated_at=orm.last_rotated_at,
service_user_uid=orm.service_user_uid,
onboarding_status=_enum(onboarding_status_raw, OnboardingStatus, "channel_account"),
credential_ref=orm.credential_ref,
credential_version=orm.credential_version,
last_error=orm.last_error,
plugin_status=orm.plugin_status,
version=orm.version,
)
def channel_account_for_write(data: dict[str, Any]) -> dict[str, Any]:
"""明文 dict → 密文 dict加密 ``config`` 字段。
注意:``encrypt_sensitive_fields`` 不幂等,调用方必须保证传入的是明文(未被加密过)。
``onboarding_status`` 为 ``OnboardingStatus`` 枚举时转为 ``.value`` 字符串以写入 ORM
``credential_ref`` / ``credential_version`` 为原生类型,随 ``dict(data)`` 透传)。
"""
data = dict(data)
if data.get("config") is not None:
data["config"] = encrypt_sensitive_fields(data["config"])
onboarding_status = data.get("onboarding_status")
if isinstance(onboarding_status, OnboardingStatus):
data["onboarding_status"] = onboarding_status.value
return data
# ═══════════════════════════════════════════════════════════════════════════
# 无敏感字段的 dataclass直接字段映射
# ═══════════════════════════════════════════════════════════════════════════
# ─── ChannelSession无敏感字段 ───────────────────────────────────────────
def orm_to_channel_session(
orm: ChannelSessionORM,
account_orm: ChannelAccountORM,
) -> ChannelSession:
"""ORM → dataclass无敏感字段直接映射。
``account_id`` / ``conversation_id`` 为 ORM 外键int。``conversation_id``
转为 str 业务 ID。``account_id`` 必须由 ``account_orm`` 关联填充为业务标识
字符串(``channel_accounts.account_id``),而非 ORM 外键 int 的字符串形式,
保证全栈 ``account_id`` 语义统一为业务标识。
参数:
orm: 渠道会话 ORM 实例。
account_orm: 关联的渠道账户 ORM 实例(必填,由适配器层查询填充)。
"""
return ChannelSession(
session_id=orm.session_id,
channel_type=ChannelType(orm.channel_type),
account_id=account_orm.account_id,
peer_id=orm.peer_id,
chat_type=orm.chat_type,
conversation_id=str(orm.conversation_id) if orm.conversation_id is not None else None,
unified_identity_id=orm.unified_identity_id,
owner_peer_id=orm.owner_peer_id,
is_temporary=bool(orm.is_temporary),
created_at=orm.created_at,
updated_at=orm.updated_at,
deleted_at=orm.deleted_at,
closed_at=orm.closed_at,
last_message_at=orm.last_message_at,
last_route_at=orm.last_route_at,
route_match_source=orm.route_match_source,
version=orm.version,
)
def channel_session_for_write(data: dict[str, Any]) -> dict[str, Any]:
"""明文 dict → 密文 dict无敏感字段直接透传。"""
return dict(data)
# ─── PairingRecord无敏感字段 ────────────────────────────────────────────
def orm_to_pairing(
orm: ChannelPairingORM,
account_orm: ChannelAccountORM | None = None,
) -> PairingRecord:
"""ORM → dataclass无敏感字段直接映射。
``account_orm`` 非空时从 ``channel_accounts`` 表关联填充业务
``channel_account_id``(字符串业务标识)与 ``channel_type``;为 ``None``
时 ``channel_account_id`` 回退为 ORM 外键的字符串形式(向后兼容),
``channel_type`` 保持 ``None``。
参数:
orm: 配对审批 ORM 实例。
account_orm: 关联的渠道账户 ORM 实例(可选,由适配器层查询填充)。
"""
return PairingRecord(
pairing_id=orm.pairing_id,
channel_account_id=(account_orm.account_id if account_orm is not None else str(orm.account_id)),
peer_id=orm.peer_id,
status=_enum(orm.status, PairingStatus, "pairing"),
channel_type=(ChannelType(account_orm.channel_type) if account_orm is not None else None),
peer_name=orm.peer_name,
approver_id=orm.approver_id,
approved_at=orm.approved_at,
rejected_at=orm.rejected_at,
expired_at=orm.expired_at,
revoked_at=orm.revoked_at,
reason=orm.reason,
created_at=orm.created_at,
updated_at=orm.updated_at,
expires_at=orm.expires_at,
requested_at=orm.requested_at,
version=orm.version,
)
def pairing_for_write(data: dict[str, Any]) -> dict[str, Any]:
"""明文 dict → 密文 dict无敏感字段直接透传。"""
return dict(data)
# ─── AuditEntry无敏感字段脱敏由上层完成 ───────────────────────────────
def orm_to_audit_log(orm: ChannelAuditLogORM) -> AuditEntry:
"""ORM → dataclass无敏感字段直接映射。
``params_summary`` 脱敏由上层 ``AuditLog`` 聚合根完成mapper 不再脱敏。
ORM ``target_channel`` 同时映射到 dataclass ``target`` 与 ``target_channel``。
"""
return AuditEntry(
operator=orm.operator,
operation=_enum(orm.operation, AuditOperationType, "audit_log"),
target=orm.target_channel,
result=orm.result,
timestamp=orm.timestamp,
params_summary=orm.params_summary or None,
trace_id=orm.trace_id,
source_ip=orm.source_ip,
request_id=orm.request_id,
message_id=getattr(orm, "message_id", None),
content_summary=getattr(orm, "content_summary", None),
target_channel=orm.target_channel,
target_account=orm.target_account,
)
def _serialize_for_json(value: Any) -> Any:
"""递归将 datetime/date 对象转为 ISO 字符串,保证 JSONB 可序列化。"""
if isinstance(value, dt.datetime):
return value.isoformat()
if isinstance(value, dt.date):
return value.isoformat()
if isinstance(value, dict):
return {k: _serialize_for_json(v) for k, v in value.items()}
if isinstance(value, list):
return [_serialize_for_json(v) for v in value]
if isinstance(value, tuple):
return tuple(_serialize_for_json(v) for v in value)
return value
def audit_log_for_write(data: dict[str, Any]) -> dict[str, Any]:
"""明文 dict → 密文 dict无敏感字段。
ORM 列名为 ``target_channel``:优先使用 dataclass 的 ``target_channel`` 字段,
未提供时回退到 ``target`` 字段(向后兼容)。
``params_summary`` 中可能混入 datetime/date 对象(如前端传入的时间过滤
参数或后端生成的字段),在写入 JSONB 前递归转为 ISO 字符串,避免
``Object of type datetime is not JSON serializable`` 导致事务回滚。
"""
data = dict(data)
if not data.get("target_channel") and "target" in data:
data["target_channel"] = data.pop("target")
if "params_summary" in data:
data["params_summary"] = _serialize_for_json(data["params_summary"])
return data
# ─── OutboxEntry无敏感字段 ───────────────────────────────────────────────
def orm_to_outbox_entry(
orm: ChannelOutboxEntryORM,
account_orm: ChannelAccountORM,
) -> OutboxEntry:
"""ORM → dataclass无敏感字段直接映射。
``message_id`` / ``channel_session_id`` 为 ORM 外键int
``channel_session_id`` 可空),转为 str 业务 ID。``account_id`` 必须由
``account_orm`` 关联填充为业务标识字符串(``channel_accounts.account_id``
而非 ORM 外键 int 的字符串形式,保证全栈 ``channel_account_id`` 语义
统一为业务标识。``channel_type`` 从 ``account_orm.channel_type`` 派生。
``max_retry`` / ``expires_at`` 从 ORM 列直接映射,消除补偿阶段硬编码
P2-7
参数:
orm: 发件箱条目 ORM 实例。
account_orm: 关联的渠道账户 ORM 实例(必填,由适配器层查询填充)。
"""
return OutboxEntry(
outbox_id=orm.outbox_id,
message_id=str(orm.message_id),
channel_account_id=account_orm.account_id,
status=_enum(orm.status, OutboxStatus, "outbox_entry"),
durability_policy=_enum(orm.durability_policy, MessageDurabilityPolicy, "outbox_entry"),
retry_count=orm.retry_count,
max_retry=orm.max_retry,
next_retry_at=_to_aware_utc(orm.next_retry_at),
last_error=orm.last_error,
created_at=_to_aware_utc(orm.created_at),
updated_at=_to_aware_utc(orm.updated_at),
expires_at=_to_aware_utc(orm.expires_at),
channel_msg_id=orm.channel_msg_id,
version=orm.version,
channel_session_id=str(orm.channel_session_id) if orm.channel_session_id is not None else None,
# 聚合视图域 analytics 子域字段(延迟分布 / 漏斗聚合查询)
latency_ms=orm.latency_ms,
funnel_node=orm.funnel_node,
sent_at=_to_aware_utc(orm.sent_at),
last_retry_at=_to_aware_utc(orm.last_retry_at),
channel_type=ChannelType(account_orm.channel_type),
# 投递原子语义与降级追踪字段O-02/O-09/O-10/O-11/O-16
idempotency_key=orm.idempotency_key,
channel_request_id=orm.channel_request_id,
partial_failure=orm.partial_failure,
stream_aborted_at_chunk=orm.stream_aborted_at_chunk,
degraded_reason=orm.degraded_reason,
delivered_parts=list(orm.delivered_parts) if orm.delivered_parts else [],
)
def outbox_entry_for_write(data: dict[str, Any]) -> dict[str, Any]:
"""明文 dict → 密文 dict无敏感字段直接透传。
``latency_ms`` / ``funnel_node`` 为聚合视图域 analytics 子域新增字段,
由调用方按需写入 dict本函数透传至 ORM 写入层,未提供时由 ORM
默认 ``None`` 兜底(向后兼容历史数据)。
"""
return dict(data)
# ─── UserIdentity无敏感字段 ─────────────────────────────────────────────
def orm_to_user_identity(orm: ChannelUserIdentityORM) -> UserIdentity:
"""ORM → dataclass无敏感字段直接映射。
``user_id`` 为 ORM 外键int可空转为 str 业务 ID。
``channel_type`` 为可空字符串,转为 ``ChannelType`` 枚举或 None。
``channel_bindings`` / ``merged_from`` 为 JSON 列,默认空容器兜底。
"""
return UserIdentity(
identity_id=orm.identity_id,
user_id=str(orm.user_id) if orm.user_id is not None else None,
identity_type=orm.identity_type,
identity_value=orm.identity_value,
channel_type=ChannelType(orm.channel_type) if orm.channel_type is not None else None,
channel_sender_id=orm.channel_sender_id,
source=orm.source,
channel_bindings=orm.channel_bindings or {},
merged_from=orm.merged_from or [],
confidence=orm.confidence or "low",
created_at=orm.created_at,
updated_at=orm.updated_at,
version=orm.version,
pending_review=bool(getattr(orm, "pending_review", False)),
)
def user_identity_for_write(data: dict[str, Any]) -> dict[str, Any]:
"""明文 dict → 密文 dict无敏感字段直接透传。"""
return dict(data)
# ─── WhitelistEntry ─────────────────────────────────────────────────────────
# 注whitelistEntryToDict / whitelistEntryFromDict 已上移至
# contract/dtos/whitelist.py纯 DTO 转换,不依赖 ORM供应用层共用
# ─── RouteBindingRule无敏感字段 ─────────────────────────────────────────
#: 内置匹配层级优先级(与 factory._DEFAULT_MATCH_TIERS 保持一致,仅展示用)
_TIER_PRIORITY_MAP: dict[str, int] = {
"session_key": 800,
"identity_id": 700,
"peer_id": 600,
"chat_type": 500,
"channel_session": 400,
"channel_type": 300,
"account": 200,
"default": 100,
}
def orm_to_route_binding(orm: ChannelRouteBindingORM) -> RouteBindingRule:
"""ORM → dataclass无敏感字段直接映射。
``match_source`` 为 tier 名字符串(非枚举),直接透传;
``channel_type`` 转为 ``ChannelType`` 枚举;
``priority`` 根据 ``match_source`` 从内置层级优先级派生,供前端展示。
"""
return RouteBindingRule(
binding_id=orm.binding_id,
channel_type=ChannelType(orm.channel_type),
account_id=orm.account_id,
match_source=orm.match_source,
match_value=orm.match_value,
agent_binding=orm.agent_binding,
enabled=bool(orm.enabled),
description=orm.description,
version=orm.version,
priority=_TIER_PRIORITY_MAP.get(orm.match_source),
created_by=orm.created_by,
updated_by=orm.updated_by,
created_at=orm.created_at,
updated_at=orm.updated_at,
)