feat: 实现采购任务安全演练 (#71)
This commit is contained in:
chengma
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"""PDD 采购演练适配层的稳定边界。
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应用服务只依赖本文件中的小接口，不直接认识 uiautomator2。接口故意不提供
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“提交订单”或“付款”方法，因此演练代码没有可误调用的真实下单入口。
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"""
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from __future__ import annotations
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from abc import ABC, abstractmethod
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from dataclasses import dataclass, field
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from typing import Mapping
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@dataclass(frozen=True)
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class PurchasePageState:
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"""一次重新读取页面后得到的采购相关事实。"""
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page_kind: str
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goods_id: str
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selected_options: Mapping[str, str] = field(default_factory=dict)
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quantity: int = 0
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price_cent: int = 0
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candidate_count: int = 1
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class PddPurchaseError(RuntimeError):
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"""适配层失败，包含稳定代码、步骤和是否可安全重试。"""
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def __init__(
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self,
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code: str,
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message: str,
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*,
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step: str,
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retryable: bool = False,
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diagnostics: Mapping[str, object] | None = None,
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) -> None:
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super().__init__(message)
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self.code = str(code or "PURCHASE_ADAPTER_ERROR")
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self.message = str(message or "PDD 采购演练失败")
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self.step = str(step or "purchase_prepare")
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self.retryable = bool(retryable)
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self.diagnostics = dict(diagnostics or {})
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class PddPurchaseAdapter(ABC):
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"""一台设备的一次采购演练会话；只能由创建它的工作线程使用。"""
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@abstractmethod
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def open_goods(self, goods_url: str) -> None:
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"""通过商品链接打开 PDD 商品页。"""
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@abstractmethod
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def read_state(self) -> PurchasePageState:
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"""重新读取当前页面，不返回缓存状态。"""
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@abstractmethod
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def select_options(self, options: Mapping[str, str]) -> None:
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"""按完整动态规格对象精确选择，不做相似匹配。"""
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@abstractmethod
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def set_quantity(self, quantity: int) -> None:
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"""设置采购数量。"""
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@abstractmethod
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def enter_confirmation(self) -> None:
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"""进入最终提交前确认页，但不得提交订单。"""
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@abstractmethod
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def stop_before_submit(self) -> None:
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"""在提交订单按钮之前停止并保持页面可供人工核对。"""
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@abstractmethod
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def close(self) -> None:
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"""释放设备会话；不得在此方法中产生页面点击。"""
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@@ -0,0 +1,466 @@
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"""一条本地采购任务的安全演练流程。
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本模块固定为 ``dry_run``。它会核对商品、动态规格、数量和价格，并停在最终
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提交订单之前；代码中没有提交订单或付款入口。
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"""
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from __future__ import annotations
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from dataclasses import dataclass
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from datetime import datetime, timezone
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from typing import Callable, Mapping
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from .admin_gateway import AdminGateway, AdminGatewayError, ClientInfo
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from .pdd_purchase_adapter import (
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PddPurchaseAdapter,
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PddPurchaseError,
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PurchasePageState,
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)
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from .task_models import OutboxEventRecord, OutboxEventType, TaskStatus
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from .task_repository import TaskRepository
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def utc_now_iso() -> str:
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"""返回精确到秒的 UTC ISO 8601 时间。"""
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return datetime.now(timezone.utc).isoformat(timespec="seconds").replace(
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"+00:00", "Z"
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)
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@dataclass(frozen=True)
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class PurchaseTarget:
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"""从已领取任务中校验出的采购目标。"""
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goods_id: str
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goods_url: str
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options: Mapping[str, str]
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quantity: int
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max_price_cent: int
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@dataclass(frozen=True)
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class PurchaseTaskOutcome:
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"""采购工作线程返回给协调层的简短结果。"""
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kind: str
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message: str
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task_id: str = ""
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PurchaseAdapterFactory = Callable[
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[str, Callable[[], bool]], PddPurchaseAdapter
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]
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class PurchaseTaskService:
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"""只执行本地已保存的采购任务，不领取新任务。"""
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def __init__(
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self,
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gateway: AdminGateway,
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repository: TaskRepository,
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client: ClientInfo,
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device_address: str,
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adapter_factory: PurchaseAdapterFactory,
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*,
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cancelled: Callable[[], bool] = lambda: False,
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) -> None:
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self._gateway = gateway
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self._repository = repository
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self._client = client
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self._device_address = str(device_address or "").strip()
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self._factory = adapter_factory
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self._cancelled = cancelled
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def execute_one_local(self) -> PurchaseTaskOutcome:
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"""先补交结果，再执行最早的本地待执行采购任务。"""
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pending = self._repository.next_pending_outbox()
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if pending is not None:
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return self._submit(pending)
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if not self._device_address:
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raise ValueError("请先在设置页选择并保存 Android 设备")
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task = self._repository.next_purchase_task()
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if task is None:
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return PurchaseTaskOutcome("no_task", "暂无本地待执行的采购任务")
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return self.execute_selected(task.remote_task_id)
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def execute_selected(self, remote_task_id: str) -> PurchaseTaskOutcome:
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"""对指定的本地采购任务执行一次演练。"""
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if not self._device_address:
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raise ValueError("请先在设置页选择并保存 Android 设备")
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if self._cancelled():
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return PurchaseTaskOutcome(
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"cancelled", "采购演练已在开始前取消", remote_task_id
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)
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started = self._repository.start_purchase_run(
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remote_task_id, self._device_address
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)
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adapter: PddPurchaseAdapter | None = None
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step = "purchase_prepare"
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try:
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target = self._target_from_task(started.task)
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adapter = self._factory(self._device_address, self._cancelled)
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step = "purchase_open_goods"
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self._enter_step(remote_task_id, started.attempt_id, step)
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adapter.open_goods(target.goods_url)
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step = "purchase_verify_goods"
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self._enter_step(remote_task_id, started.attempt_id, step)
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state = adapter.read_state()
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self._validate_identity(state, target, "goods")
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step = "purchase_select_options"
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self._enter_step(remote_task_id, started.attempt_id, step)
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self._validate_identity(adapter.read_state(), target, "goods")
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adapter.select_options(target.options)
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step = "purchase_verify_options"
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self._enter_step(remote_task_id, started.attempt_id, step)
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state = adapter.read_state()
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self._validate_selected_options(state, target)
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step = "purchase_set_quantity"
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self._enter_step(remote_task_id, started.attempt_id, step)
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self._validate_selected_options(adapter.read_state(), target)
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adapter.set_quantity(target.quantity)
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step = "purchase_verify_quantity_price"
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self._enter_step(remote_task_id, started.attempt_id, step)
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state = adapter.read_state()
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self._validate_checkout_values(state, target)
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step = "purchase_enter_confirmation"
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self._enter_step(remote_task_id, started.attempt_id, step)
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self._validate_checkout_values(adapter.read_state(), target)
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adapter.enter_confirmation()
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step = "purchase_verify_confirmation"
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self._enter_step(remote_task_id, started.attempt_id, step)
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state = adapter.read_state()
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if state.page_kind != "order_confirmation":
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raise PddPurchaseError(
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"PURCHASE_CONFIRMATION_NOT_REACHED",
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"没有到达最终提交前确认页，已停止演练",
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step=step,
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)
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self._validate_checkout_values(state, target)
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step = "purchase_dry_run_stopped"
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self._enter_step(remote_task_id, started.attempt_id, step)
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adapter.stop_before_submit()
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result = self._result_data(target, state)
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event = self._repository.save_purchase_result(
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remote_task_id, started.attempt_id, result
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)
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except PddPurchaseError as exc:
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event = self._save_failure(
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remote_task_id,
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started.attempt_id,
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exc.code,
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exc.message,
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exc.retryable,
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exc.step or step,
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exc.diagnostics,
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)
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except Exception as exc:
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event = self._save_failure(
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remote_task_id,
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started.attempt_id,
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"PURCHASE_UNEXPECTED",
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f"采购演练在“{step}”发生未知错误：{exc}",
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False,
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step,
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{},
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)
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finally:
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if adapter is not None:
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adapter.close()
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return self._submit(event)
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def _enter_step(
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self, remote_task_id: str, attempt_id: str, step: str
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) -> None:
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"""先持久化步骤，再检查停止请求。"""
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self._repository.update_purchase_step(
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remote_task_id, attempt_id, step
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)
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if self._cancelled():
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raise PddPurchaseError(
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"PURCHASE_CANCELLED",
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"用户已请求停止采购演练",
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step=step,
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)
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@staticmethod
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def _target_from_task(task: object) -> PurchaseTarget:
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payload_root = getattr(task, "admin_payload", None)
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if not isinstance(payload_root, Mapping):
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raise PddPurchaseError(
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"PURCHASE_TASK_INVALID",
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"采购任务原始数据不是对象",
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step="purchase_prepare",
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)
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payload = payload_root.get("payload")
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if not isinstance(payload, Mapping):
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raise PddPurchaseError(
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"PURCHASE_TASK_INVALID",
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"采购任务缺少 payload 对象",
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step="purchase_prepare",
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)
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goods_url = str(payload.get("goods_url") or "").strip()
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goods_id = str(payload.get("goods_id") or "").strip()
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options = payload.get("options")
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quantity = payload.get("quantity")
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max_price_cent = payload.get("max_price_cent")
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if not goods_url or not goods_id:
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raise PddPurchaseError(
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"PURCHASE_TASK_INVALID",
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"采购任务缺少商品链接或商品编号",
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step="purchase_prepare",
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)
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if not isinstance(options, Mapping) or not options:
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raise PddPurchaseError(
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"PURCHASE_TASK_INVALID",
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"采购任务缺少动态规格 options",
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step="purchase_prepare",
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)
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normalized_options: dict[str, str] = {}
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for key, value in options.items():
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checked_key = str(key or "").strip()
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checked_value = str(value or "").strip()
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if not checked_key or not checked_value:
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raise PddPurchaseError(
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"PURCHASE_TASK_INVALID",
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"采购任务 options 的名称和值都不能为空",
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step="purchase_prepare",
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)
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normalized_options[checked_key] = checked_value
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if isinstance(quantity, bool) or not isinstance(quantity, int) or quantity <= 0:
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raise PddPurchaseError(
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"PURCHASE_TASK_INVALID",
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"采购数量必须是大于 0 的整数",
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step="purchase_prepare",
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)
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if (
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isinstance(max_price_cent, bool)
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or not isinstance(max_price_cent, int)
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or max_price_cent <= 0
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):
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raise PddPurchaseError(
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"PURCHASE_TASK_INVALID",
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"人民币价格上限必须是大于 0 的整数分",
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step="purchase_prepare",
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)
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return PurchaseTarget(
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goods_id,
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goods_url,
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normalized_options,
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quantity,
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max_price_cent,
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)
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@staticmethod
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def _validate_identity(
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state: PurchasePageState, target: PurchaseTarget, expected_page: str
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) -> None:
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PurchaseTaskService._validate_common_state(state)
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if state.page_kind != expected_page:
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raise PddPurchaseError(
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"PDD_PAGE_UNKNOWN",
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f"当前页面不是预期的 {expected_page} 页面，已停止演练",
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step="purchase_verify_goods",
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)
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if state.goods_id != target.goods_id:
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raise PddPurchaseError(
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"PURCHASE_GOODS_MISMATCH",
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"当前 PDD 商品与采购任务不一致，已停止演练",
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step="purchase_verify_goods",
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)
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@staticmethod
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def _validate_selected_options(
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state: PurchasePageState, target: PurchaseTarget
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) -> None:
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PurchaseTaskService._validate_common_state(state)
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if state.goods_id != target.goods_id:
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raise PddPurchaseError(
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"PURCHASE_GOODS_MISMATCH",
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"选择规格后商品编号发生变化，已停止演练",
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step="purchase_verify_options",
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)
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if dict(state.selected_options) != dict(target.options):
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raise PddPurchaseError(
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"PURCHASE_OPTIONS_MISMATCH",
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"当前选中规格与采购任务不完全一致，已停止演练",
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step="purchase_verify_options",
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)
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@staticmethod
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def _validate_checkout_values(
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state: PurchasePageState, target: PurchaseTarget
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) -> None:
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PurchaseTaskService._validate_selected_options(state, target)
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if state.quantity != target.quantity:
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raise PddPurchaseError(
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"PURCHASE_QUANTITY_MISMATCH",
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"当前数量与采购任务不一致，已停止演练",
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step="purchase_verify_quantity_price",
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)
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if state.price_cent <= 0:
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raise PddPurchaseError(
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"PURCHASE_PRICE_MISSING",
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"无法读取稳定的当前人民币价格，已停止演练",
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step="purchase_verify_quantity_price",
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)
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if state.price_cent > target.max_price_cent:
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raise PddPurchaseError(
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"PURCHASE_PRICE_EXCEEDED",
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(
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f"当前价格 {state.price_cent} 分超过上限 "
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f"{target.max_price_cent} 分，已停止演练"
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),
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step="purchase_verify_quantity_price",
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)
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@staticmethod
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def _validate_common_state(state: PurchasePageState) -> None:
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if state.page_kind == "captcha":
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raise PddPurchaseError(
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"PDD_PAGE_CAPTCHA",
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"PDD 出现安全验证，请人工处理",
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step="purchase_page_check",
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)
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if state.page_kind == "login_required":
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raise PddPurchaseError(
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"PDD_PAGE_LOGIN_REQUIRED",
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"PDD 登录状态失效，请人工登录后再处理",
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step="purchase_page_check",
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)
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if state.page_kind in {"unknown", "risk_control", "payment"}:
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raise PddPurchaseError(
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"PDD_PAGE_UNKNOWN",
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"PDD 出现未知、风控或支付页面，已停止演练",
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step="purchase_page_check",
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)
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if state.candidate_count != 1:
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raise PddPurchaseError(
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"PURCHASE_AMBIGUOUS_TARGET",
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"页面存在多个候选目标，无法安全确认，已停止演练",
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step="purchase_page_check",
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)
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def _save_failure(
|
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self,
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remote_task_id: str,
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attempt_id: str,
|
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code: str,
|
||||
message: str,
|
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retryable: bool,
|
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step: str,
|
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diagnostics: Mapping[str, object],
|
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) -> OutboxEventRecord:
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if code == "PURCHASE_CANCELLED":
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status = TaskStatus.CANCELLED
|
||||
elif retryable:
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status = TaskStatus.RETRY_WAIT
|
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else:
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status = TaskStatus.MANUAL_REVIEW
|
||||
return self._repository.save_purchase_failure(
|
||||
remote_task_id,
|
||||
attempt_id,
|
||||
status,
|
||||
code,
|
||||
message,
|
||||
retryable,
|
||||
step,
|
||||
dict(diagnostics),
|
||||
)
|
||||
|
||||
def _submit(self, event: OutboxEventRecord) -> PurchaseTaskOutcome:
|
||||
task_id = self._repository.outbox_task_id(event.id)
|
||||
self._repository.mark_outbox_sending(event.id)
|
||||
try:
|
||||
if event.event_type is OutboxEventType.TASK_FAILURE:
|
||||
receipt = self._gateway.submit_failure(
|
||||
task_id, event.idempotency_key, event.payload_json
|
||||
)
|
||||
else:
|
||||
receipt = self._gateway.submit_result(
|
||||
task_id, event.idempotency_key, event.payload_json
|
||||
)
|
||||
if not receipt.accepted:
|
||||
raise AdminGatewayError(
|
||||
"ADMIN_RESULT_NOT_ACCEPTED",
|
||||
"Admin 未确认接收采购演练结果",
|
||||
False,
|
||||
)
|
||||
except AdminGatewayError as exc:
|
||||
message = str(exc)
|
||||
if exc.retryable:
|
||||
self._repository.mark_outbox_retry(event.id, message)
|
||||
return PurchaseTaskOutcome(
|
||||
"result_pending",
|
||||
f"任务 {task_id} 演练结果已保存在本地，等待提交 Admin：{message}",
|
||||
task_id,
|
||||
)
|
||||
self._repository.mark_outbox_failed(event.id, message)
|
||||
return PurchaseTaskOutcome(
|
||||
"manual_review",
|
||||
f"任务 {task_id} 演练结果被 Admin 拒绝：{message}",
|
||||
task_id,
|
||||
)
|
||||
|
||||
self._repository.mark_outbox_sent(event.id)
|
||||
if event.event_type is OutboxEventType.TASK_FAILURE:
|
||||
return PurchaseTaskOutcome(
|
||||
"failed",
|
||||
f"任务 {task_id} 采购演练未完成，失败信息已提交 Admin",
|
||||
task_id,
|
||||
)
|
||||
return PurchaseTaskOutcome(
|
||||
"succeeded",
|
||||
f"任务 {task_id} 演练完成并已提交 Admin；没有提交订单",
|
||||
task_id,
|
||||
)
|
||||
|
||||
def _result_data(
|
||||
self, target: PurchaseTarget, state: PurchasePageState
|
||||
) -> dict[str, object]:
|
||||
return {
|
||||
"schema_version": 1,
|
||||
"goods_id": target.goods_id,
|
||||
"goods_url": target.goods_url,
|
||||
"purchase": {
|
||||
"mode": "dry_run",
|
||||
"requested": {
|
||||
"options": dict(target.options),
|
||||
"quantity": target.quantity,
|
||||
"max_price_cent": target.max_price_cent,
|
||||
},
|
||||
"confirmed": {
|
||||
"options": dict(state.selected_options),
|
||||
"quantity": state.quantity,
|
||||
"unit_price_cent": state.price_cent,
|
||||
"total_price_cent": state.price_cent * state.quantity,
|
||||
},
|
||||
"confirmation_reached": True,
|
||||
"order_submitted": False,
|
||||
"payment_attempted": False,
|
||||
"order_no": None,
|
||||
"ordered_at": None,
|
||||
"ordered_at_raw": None,
|
||||
"match_status": "not_submitted",
|
||||
},
|
||||
"captured_at": utc_now_iso(),
|
||||
"source": {
|
||||
"client_id": self._client.client_id,
|
||||
"device_address": self._device_address,
|
||||
"mode": "dry_run",
|
||||
},
|
||||
}
|
||||
@@ -187,7 +187,7 @@ class OutboxEventRecord:
|
||||
|
||||
@dataclass(frozen=True)
|
||||
class StartedTaskRun:
|
||||
"""已进入执行状态的一次采集尝试。"""
|
||||
"""已进入执行状态的一次采集或采购尝试。"""
|
||||
|
||||
task: TaskDetail
|
||||
attempt_id: str
|
||||
|
||||
@@ -210,6 +210,20 @@ class TaskRepository:
|
||||
connection.close()
|
||||
return self._to_detail(row) if row is not None else None
|
||||
|
||||
def next_purchase_task(self) -> Optional[TaskDetail]:
|
||||
"""返回最早的一条本地待执行采购任务。"""
|
||||
|
||||
connection = open_database(self._db_path)
|
||||
try:
|
||||
row = connection.execute(
|
||||
"SELECT * FROM pdd_tasks"
|
||||
" WHERE task_type = 'purchase' AND status = 'claimed'"
|
||||
" ORDER BY received_at ASC, id ASC LIMIT 1"
|
||||
).fetchone()
|
||||
finally:
|
||||
connection.close()
|
||||
return self._to_detail(row) if row is not None else None
|
||||
|
||||
def validate_collect_rerun(self, remote_task_id: str) -> TaskDetail:
|
||||
"""校验任务能否重新采集，成功时返回任务详情。"""
|
||||
|
||||
@@ -341,6 +355,291 @@ class TaskRepository:
|
||||
finally:
|
||||
connection.close()
|
||||
|
||||
def start_purchase_run(
|
||||
self, remote_task_id: str, device_address: str
|
||||
) -> StartedTaskRun:
|
||||
"""原子地开始一次采购演练并创建独立运行记录。"""
|
||||
|
||||
now = utc_now_iso()
|
||||
attempt_id = str(uuid4())
|
||||
connection = open_database(self._db_path)
|
||||
try:
|
||||
with connection:
|
||||
row = connection.execute(
|
||||
"SELECT * FROM pdd_tasks WHERE remote_task_id = ?",
|
||||
(remote_task_id,),
|
||||
).fetchone()
|
||||
if row is None:
|
||||
raise ValueError(f"任务 {remote_task_id} 不存在")
|
||||
if row["task_type"] != TaskType.PURCHASE.value:
|
||||
raise ValueError("当前任务不是采购任务")
|
||||
if row["status"] != TaskStatus.CLAIMED.value:
|
||||
raise ValueError(
|
||||
f"采购任务状态 {row['status']} 不能开始演练"
|
||||
)
|
||||
attempt_no = int(
|
||||
connection.execute(
|
||||
"SELECT COALESCE(MAX(attempt_no), 0) + 1"
|
||||
" FROM task_runs WHERE task_id = ?",
|
||||
(row["id"],),
|
||||
).fetchone()[0]
|
||||
)
|
||||
connection.execute(
|
||||
"UPDATE pdd_tasks SET status = 'running',"
|
||||
" current_step = 'purchase_prepare',"
|
||||
" started_at = COALESCE(started_at, ?),"
|
||||
" last_error_code = NULL, last_error_message = NULL,"
|
||||
" updated_at = ? WHERE id = ?",
|
||||
(now, now, row["id"]),
|
||||
)
|
||||
connection.execute(
|
||||
"INSERT INTO task_runs (task_id, attempt_id, attempt_no,"
|
||||
" device_address, run_status, current_step, started_at,"
|
||||
" created_at, updated_at) VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?)",
|
||||
(
|
||||
row["id"],
|
||||
attempt_id,
|
||||
attempt_no,
|
||||
device_address,
|
||||
RunStatus.RUNNING.value,
|
||||
"purchase_prepare",
|
||||
now,
|
||||
now,
|
||||
now,
|
||||
),
|
||||
)
|
||||
task = self.get_task(remote_task_id)
|
||||
assert task is not None
|
||||
return StartedTaskRun(task, attempt_id, attempt_no)
|
||||
finally:
|
||||
connection.close()
|
||||
|
||||
def update_purchase_step(
|
||||
self, remote_task_id: str, attempt_id: str, step: str
|
||||
) -> None:
|
||||
"""在进入采购关键步骤前，同时持久化任务和本次运行的步骤。"""
|
||||
|
||||
checked_step = str(step or "").strip()
|
||||
if not checked_step:
|
||||
raise ValueError("采购步骤不能为空")
|
||||
now = utc_now_iso()
|
||||
connection = open_database(self._db_path)
|
||||
try:
|
||||
with connection:
|
||||
task = connection.execute(
|
||||
"SELECT id, task_type, status FROM pdd_tasks"
|
||||
" WHERE remote_task_id = ?",
|
||||
(remote_task_id,),
|
||||
).fetchone()
|
||||
if task is None:
|
||||
raise ValueError(f"任务 {remote_task_id} 不存在")
|
||||
if task["task_type"] != TaskType.PURCHASE.value:
|
||||
raise ValueError("当前任务不是采购任务")
|
||||
if task["status"] != TaskStatus.RUNNING.value:
|
||||
raise ValueError("采购任务当前不在执行中")
|
||||
cursor = connection.execute(
|
||||
"UPDATE task_runs SET current_step = ?, updated_at = ?"
|
||||
" WHERE task_id = ? AND attempt_id = ?"
|
||||
" AND run_status = 'running'",
|
||||
(checked_step, now, task["id"], attempt_id),
|
||||
)
|
||||
if cursor.rowcount != 1:
|
||||
raise ValueError("采购执行记录不存在或已经结束")
|
||||
connection.execute(
|
||||
"UPDATE pdd_tasks SET current_step = ?, updated_at = ?"
|
||||
" WHERE id = ?",
|
||||
(checked_step, now, task["id"]),
|
||||
)
|
||||
finally:
|
||||
connection.close()
|
||||
|
||||
def save_purchase_result(
|
||||
self,
|
||||
remote_task_id: str,
|
||||
attempt_id: str,
|
||||
pdd_data: Dict[str, object],
|
||||
) -> OutboxEventRecord:
|
||||
"""原子保存采购演练结果，并创建采购结果 Outbox。"""
|
||||
|
||||
now = utc_now_iso()
|
||||
connection = open_database(self._db_path)
|
||||
try:
|
||||
with connection:
|
||||
task = connection.execute(
|
||||
"SELECT id, version, task_type FROM pdd_tasks"
|
||||
" WHERE remote_task_id = ?",
|
||||
(remote_task_id,),
|
||||
).fetchone()
|
||||
if task is None:
|
||||
raise ValueError(f"任务 {remote_task_id} 不存在")
|
||||
if task["task_type"] != TaskType.PURCHASE.value:
|
||||
raise ValueError("当前任务不是采购任务")
|
||||
payload = {
|
||||
"task_version": task["version"],
|
||||
"attempt_id": attempt_id,
|
||||
"result_type": "purchase",
|
||||
"completed_at": now,
|
||||
"pdd_data": pdd_data,
|
||||
}
|
||||
result_json = json.dumps(pdd_data, ensure_ascii=False)
|
||||
idempotency_key = (
|
||||
f"{remote_task_id}:{attempt_id}:result-v1"
|
||||
)
|
||||
connection.execute(
|
||||
"UPDATE pdd_tasks SET status = 'result_pending',"
|
||||
" current_step = 'submit_result', pdd_data = ?,"
|
||||
" price_cent = ?, finished_at = ?, updated_at = ?"
|
||||
" WHERE id = ?",
|
||||
(
|
||||
result_json,
|
||||
self._purchase_result_price(pdd_data),
|
||||
now,
|
||||
now,
|
||||
task["id"],
|
||||
),
|
||||
)
|
||||
cursor = connection.execute(
|
||||
"UPDATE task_runs SET run_status = 'succeeded',"
|
||||
" current_step = 'submit_result', result_data = ?,"
|
||||
" finished_at = ?, updated_at = ?"
|
||||
" WHERE task_id = ? AND attempt_id = ?"
|
||||
" AND run_status = 'running'",
|
||||
(
|
||||
result_json,
|
||||
now,
|
||||
now,
|
||||
task["id"],
|
||||
attempt_id,
|
||||
),
|
||||
)
|
||||
if cursor.rowcount != 1:
|
||||
raise ValueError("采购执行记录不存在或已经结束")
|
||||
event_cursor = connection.execute(
|
||||
"INSERT INTO outbox_events (task_id, event_type,"
|
||||
" idempotency_key, payload_json, status, created_at, updated_at)"
|
||||
" VALUES (?, 'purchase_result', ?, ?, 'pending', ?, ?)",
|
||||
(
|
||||
task["id"],
|
||||
idempotency_key,
|
||||
json.dumps(payload, ensure_ascii=False),
|
||||
now,
|
||||
now,
|
||||
),
|
||||
)
|
||||
event_id = int(event_cursor.lastrowid)
|
||||
event = self.get_outbox_event(event_id)
|
||||
assert event is not None
|
||||
return event
|
||||
finally:
|
||||
connection.close()
|
||||
|
||||
def save_purchase_failure(
|
||||
self,
|
||||
remote_task_id: str,
|
||||
attempt_id: str,
|
||||
status: TaskStatus,
|
||||
error_code: str,
|
||||
error_message: str,
|
||||
retryable: bool,
|
||||
step: str,
|
||||
diagnostics: Optional[Dict[str, object]] = None,
|
||||
) -> OutboxEventRecord:
|
||||
"""原子保存采购演练失败，并创建失败 Outbox。"""
|
||||
|
||||
if status not in {
|
||||
TaskStatus.RETRY_WAIT,
|
||||
TaskStatus.MANUAL_REVIEW,
|
||||
TaskStatus.FAILED,
|
||||
TaskStatus.CANCELLED,
|
||||
}:
|
||||
raise ValueError("失败状态无效")
|
||||
checked_step = str(step or "purchase_prepare").strip()
|
||||
now = utc_now_iso()
|
||||
connection = open_database(self._db_path)
|
||||
try:
|
||||
with connection:
|
||||
task = connection.execute(
|
||||
"SELECT id, version, task_type FROM pdd_tasks"
|
||||
" WHERE remote_task_id = ?",
|
||||
(remote_task_id,),
|
||||
).fetchone()
|
||||
if task is None:
|
||||
raise ValueError(f"任务 {remote_task_id} 不存在")
|
||||
if task["task_type"] != TaskType.PURCHASE.value:
|
||||
raise ValueError("当前任务不是采购任务")
|
||||
payload = {
|
||||
"task_version": task["version"],
|
||||
"attempt_id": attempt_id,
|
||||
"status": status.value,
|
||||
"error": {
|
||||
"code": error_code,
|
||||
"message": error_message,
|
||||
"retryable": retryable,
|
||||
"step": checked_step,
|
||||
},
|
||||
"diagnostics": diagnostics or {"artifacts": []},
|
||||
"reported_at": now,
|
||||
}
|
||||
connection.execute(
|
||||
"UPDATE pdd_tasks SET status = ?, current_step = ?,"
|
||||
" retry_count = retry_count + ?, last_error_code = ?,"
|
||||
" last_error_message = ?, finished_at = ?, updated_at = ?"
|
||||
" WHERE id = ?",
|
||||
(
|
||||
status.value,
|
||||
"failed",
|
||||
1 if status is TaskStatus.RETRY_WAIT else 0,
|
||||
error_code,
|
||||
error_message,
|
||||
now,
|
||||
now,
|
||||
task["id"],
|
||||
),
|
||||
)
|
||||
run_status = {
|
||||
TaskStatus.CANCELLED: RunStatus.CANCELLED,
|
||||
TaskStatus.MANUAL_REVIEW: RunStatus.MANUAL_REVIEW,
|
||||
}.get(status, RunStatus.FAILED)
|
||||
cursor = connection.execute(
|
||||
"UPDATE task_runs SET run_status = ?, current_step = ?,"
|
||||
" error_code = ?, error_message = ?, finished_at = ?,"
|
||||
" updated_at = ? WHERE task_id = ? AND attempt_id = ?"
|
||||
" AND run_status = 'running'",
|
||||
(
|
||||
run_status.value,
|
||||
checked_step,
|
||||
error_code,
|
||||
error_message,
|
||||
now,
|
||||
now,
|
||||
task["id"],
|
||||
attempt_id,
|
||||
),
|
||||
)
|
||||
if cursor.rowcount != 1:
|
||||
raise ValueError("采购执行记录不存在或已经结束")
|
||||
idempotency_key = (
|
||||
f"{remote_task_id}:{attempt_id}:failure-v1"
|
||||
)
|
||||
event_cursor = connection.execute(
|
||||
"INSERT INTO outbox_events (task_id, event_type,"
|
||||
" idempotency_key, payload_json, status, created_at, updated_at)"
|
||||
" VALUES (?, 'task_failure', ?, ?, 'pending', ?, ?)",
|
||||
(
|
||||
task["id"],
|
||||
idempotency_key,
|
||||
json.dumps(payload, ensure_ascii=False),
|
||||
now,
|
||||
now,
|
||||
),
|
||||
)
|
||||
event_id = int(event_cursor.lastrowid)
|
||||
event = self.get_outbox_event(event_id)
|
||||
assert event is not None
|
||||
return event
|
||||
finally:
|
||||
connection.close()
|
||||
|
||||
def save_collect_result(
|
||||
self,
|
||||
remote_task_id: str,
|
||||
@@ -543,7 +842,10 @@ class TaskRepository:
|
||||
" WHERE id = ?",
|
||||
(now, now, event_id),
|
||||
)
|
||||
if row["event_type"] == OutboxEventType.COLLECT_RESULT.value:
|
||||
if row["event_type"] in {
|
||||
OutboxEventType.COLLECT_RESULT.value,
|
||||
OutboxEventType.PURCHASE_RESULT.value,
|
||||
}:
|
||||
connection.execute(
|
||||
"UPDATE pdd_tasks SET status = 'succeeded',"
|
||||
" current_step = 'completed', updated_at = ? WHERE id = ?",
|
||||
@@ -579,6 +881,21 @@ class TaskRepository:
|
||||
]
|
||||
return min(prices) if prices else None
|
||||
|
||||
@staticmethod
|
||||
def _purchase_result_price(
|
||||
pdd_data: Dict[str, object]
|
||||
) -> Optional[int]:
|
||||
purchase = pdd_data.get("purchase")
|
||||
if not isinstance(purchase, dict):
|
||||
return None
|
||||
confirmed = purchase.get("confirmed")
|
||||
if not isinstance(confirmed, dict):
|
||||
return None
|
||||
price = confirmed.get("unit_price_cent")
|
||||
if isinstance(price, bool) or not isinstance(price, int):
|
||||
return None
|
||||
return price
|
||||
|
||||
@staticmethod
|
||||
def _to_outbox(row: sqlite3.Row) -> OutboxEventRecord:
|
||||
return OutboxEventRecord(
|
||||
|
||||
@@ -0,0 +1,278 @@
|
||||
"""采购任务演练应用服务测试；全部使用 Mock，不连接真实手机。"""
|
||||
|
||||
import tempfile
|
||||
import unittest
|
||||
from pathlib import Path
|
||||
|
||||
from src.admin_gateway import (
|
||||
AdminTask,
|
||||
AndroidDeviceInfo,
|
||||
ClaimCapabilities,
|
||||
ClientInfo,
|
||||
)
|
||||
from src.mock_admin_gateway import MockAdminGateway
|
||||
from src.pdd_purchase_adapter import PddPurchaseAdapter, PurchasePageState
|
||||
from src.purchase_task_service import PurchaseTaskService
|
||||
from src.task_models import NewClaimedTask, TaskStatus, TaskType
|
||||
from src.task_repository import TaskRepository
|
||||
|
||||
|
||||
OPTIONS = {"color": "黑色", "size": "L", "bundle": "标准版"}
|
||||
|
||||
|
||||
class RecordingDryRunAdapter(PddPurchaseAdapter):
|
||||
"""只记录调用的演练适配器，不提供提交订单能力。"""
|
||||
|
||||
def __init__(
|
||||
self,
|
||||
*,
|
||||
goods_id: str = "737116531267",
|
||||
price_cent: int = 4200,
|
||||
candidate_count: int = 1,
|
||||
forced_page: str = "",
|
||||
wrong_options: bool = False,
|
||||
) -> None:
|
||||
self.goods_id = goods_id
|
||||
self.price_cent = price_cent
|
||||
self.candidate_count = candidate_count
|
||||
self.forced_page = forced_page
|
||||
self.wrong_options = wrong_options
|
||||
self.options = {}
|
||||
self.quantity = 0
|
||||
self.page_kind = "goods"
|
||||
self.calls = []
|
||||
|
||||
def open_goods(self, goods_url: str) -> None:
|
||||
self.calls.append(("open_goods", goods_url))
|
||||
|
||||
def read_state(self) -> PurchasePageState:
|
||||
self.calls.append(("read_state",))
|
||||
options = self.options
|
||||
if self.wrong_options and options:
|
||||
options = {**options, "size": "XL"}
|
||||
return PurchasePageState(
|
||||
page_kind=self.forced_page or self.page_kind,
|
||||
goods_id=self.goods_id,
|
||||
selected_options=dict(options),
|
||||
quantity=self.quantity,
|
||||
price_cent=self.price_cent,
|
||||
candidate_count=self.candidate_count,
|
||||
)
|
||||
|
||||
def select_options(self, options) -> None:
|
||||
self.calls.append(("select_options", dict(options)))
|
||||
self.options = dict(options)
|
||||
|
||||
def set_quantity(self, quantity: int) -> None:
|
||||
self.calls.append(("set_quantity", quantity))
|
||||
self.quantity = quantity
|
||||
|
||||
def enter_confirmation(self) -> None:
|
||||
self.calls.append(("enter_confirmation",))
|
||||
self.page_kind = "order_confirmation"
|
||||
|
||||
def stop_before_submit(self) -> None:
|
||||
self.calls.append(("stop_before_submit",))
|
||||
|
||||
def close(self) -> None:
|
||||
self.calls.append(("close",))
|
||||
|
||||
|
||||
class PurchaseTaskServiceTest(unittest.TestCase):
|
||||
def setUp(self) -> None:
|
||||
self.temp_dir = tempfile.TemporaryDirectory()
|
||||
self.repository = TaskRepository(
|
||||
Path(self.temp_dir.name) / "client.db"
|
||||
)
|
||||
self.gateway = MockAdminGateway()
|
||||
self.client = ClientInfo("CLIENT-001", "测试客户端")
|
||||
|
||||
def tearDown(self) -> None:
|
||||
self.temp_dir.cleanup()
|
||||
|
||||
def _prepare_task(self, *, task_id: str = "PUR-001") -> None:
|
||||
task = AdminTask(
|
||||
task_id=task_id,
|
||||
task_type=TaskType.PURCHASE,
|
||||
version=1,
|
||||
priority=10,
|
||||
payload={
|
||||
"goods_url": (
|
||||
"https://mobile.yangkeduo.com/goods.html?"
|
||||
"goods_id=737116531267"
|
||||
),
|
||||
"goods_id": "737116531267",
|
||||
"options": dict(OPTIONS),
|
||||
"quantity": 2,
|
||||
"max_price_cent": 5000,
|
||||
},
|
||||
)
|
||||
self.gateway.enqueue_task(task, self.client.client_id)
|
||||
claimed = self.gateway.claim_next(
|
||||
self.client,
|
||||
ClaimCapabilities(
|
||||
device=AndroidDeviceInfo("USB-001"),
|
||||
supported_types=(TaskType.PURCHASE,),
|
||||
purchase_mode="dry_run",
|
||||
),
|
||||
)
|
||||
assert claimed is not None
|
||||
self.repository.add_claimed_task(
|
||||
NewClaimedTask(
|
||||
remote_task_id=claimed.task_id,
|
||||
task_type=claimed.task_type,
|
||||
goods_url=str(claimed.payload["goods_url"]),
|
||||
goods_id=str(claimed.payload["goods_id"]),
|
||||
quantity=int(claimed.payload["quantity"]),
|
||||
priority=claimed.priority,
|
||||
version=claimed.version,
|
||||
admin_payload={
|
||||
"id": claimed.task_id,
|
||||
"type": claimed.task_type.value,
|
||||
"version": claimed.version,
|
||||
"priority": claimed.priority,
|
||||
"payload": dict(claimed.payload),
|
||||
},
|
||||
)
|
||||
)
|
||||
|
||||
def _service(self, adapter: RecordingDryRunAdapter):
|
||||
return PurchaseTaskService(
|
||||
self.gateway,
|
||||
self.repository,
|
||||
self.client,
|
||||
"USB-001",
|
||||
lambda _address, _cancelled: adapter,
|
||||
)
|
||||
|
||||
def test_dynamic_options_dry_run_stops_before_order_submission(self):
|
||||
self._prepare_task()
|
||||
adapter = RecordingDryRunAdapter()
|
||||
|
||||
outcome = self._service(adapter).execute_one_local()
|
||||
|
||||
self.assertEqual(outcome.kind, "succeeded")
|
||||
self.assertIn("没有提交订单", outcome.message)
|
||||
self.assertIn(("select_options", OPTIONS), adapter.calls)
|
||||
self.assertIn(("set_quantity", 2), adapter.calls)
|
||||
self.assertIn(("enter_confirmation",), adapter.calls)
|
||||
self.assertIn(("stop_before_submit",), adapter.calls)
|
||||
detail = self.repository.get_task("PUR-001")
|
||||
assert detail is not None
|
||||
self.assertEqual(detail.status, TaskStatus.SUCCEEDED)
|
||||
purchase = detail.pdd_data["purchase"]
|
||||
self.assertEqual(purchase["mode"], "dry_run")
|
||||
self.assertEqual(purchase["requested"]["options"], OPTIONS)
|
||||
self.assertEqual(purchase["confirmed"]["options"], OPTIONS)
|
||||
self.assertFalse(purchase["order_submitted"])
|
||||
self.assertFalse(purchase["payment_attempted"])
|
||||
|
||||
def test_price_above_limit_stops_before_confirmation(self):
|
||||
self._prepare_task()
|
||||
adapter = RecordingDryRunAdapter(price_cent=5001)
|
||||
|
||||
outcome = self._service(adapter).execute_one_local()
|
||||
|
||||
self.assertEqual(outcome.kind, "failed")
|
||||
self.assertNotIn(("enter_confirmation",), adapter.calls)
|
||||
detail = self.repository.get_task("PUR-001")
|
||||
assert detail is not None
|
||||
self.assertEqual(detail.status, TaskStatus.MANUAL_REVIEW)
|
||||
self.assertEqual(detail.last_error_code, "PURCHASE_PRICE_EXCEEDED")
|
||||
|
||||
def test_result_submit_timeout_does_not_run_adapter_twice(self):
|
||||
self._prepare_task()
|
||||
adapter = RecordingDryRunAdapter()
|
||||
self.gateway.timeout_next_call()
|
||||
|
||||
first = self._service(adapter).execute_one_local()
|
||||
first_call_count = len(adapter.calls)
|
||||
second = self._service(adapter).execute_one_local()
|
||||
|
||||
self.assertEqual(first.kind, "result_pending")
|
||||
self.assertEqual(second.kind, "succeeded")
|
||||
self.assertEqual(len(adapter.calls), first_call_count)
|
||||
self.assertEqual(self.gateway.submission_count, 1)
|
||||
|
||||
def test_invalid_pages_and_ambiguous_target_fail_safely(self):
|
||||
cases = (
|
||||
("captcha", 1, "PDD_PAGE_CAPTCHA"),
|
||||
("login_required", 1, "PDD_PAGE_LOGIN_REQUIRED"),
|
||||
("unknown", 1, "PDD_PAGE_UNKNOWN"),
|
||||
("", 2, "PURCHASE_AMBIGUOUS_TARGET"),
|
||||
)
|
||||
for index, (page, candidates, expected_code) in enumerate(cases):
|
||||
with self.subTest(page=page, candidates=candidates):
|
||||
task_id = f"PUR-BLOCK-{index}"
|
||||
self._prepare_task(task_id=task_id)
|
||||
adapter = RecordingDryRunAdapter(
|
||||
forced_page=page,
|
||||
candidate_count=candidates,
|
||||
)
|
||||
|
||||
outcome = self._service(adapter).execute_selected(task_id)
|
||||
|
||||
self.assertEqual(outcome.kind, "failed")
|
||||
self.assertNotIn(("enter_confirmation",), adapter.calls)
|
||||
detail = self.repository.get_task(task_id)
|
||||
assert detail is not None
|
||||
self.assertEqual(detail.last_error_code, expected_code)
|
||||
|
||||
def test_wrong_goods_or_options_never_reaches_confirmation(self):
|
||||
cases = (
|
||||
({"goods_id": "OTHER"}, "PURCHASE_GOODS_MISMATCH"),
|
||||
({"wrong_options": True}, "PURCHASE_OPTIONS_MISMATCH"),
|
||||
)
|
||||
for index, (kwargs, expected_code) in enumerate(cases):
|
||||
with self.subTest(expected_code=expected_code):
|
||||
task_id = f"PUR-MISMATCH-{index}"
|
||||
self._prepare_task(task_id=task_id)
|
||||
adapter = RecordingDryRunAdapter(**kwargs)
|
||||
|
||||
self._service(adapter).execute_selected(task_id)
|
||||
|
||||
self.assertNotIn(("enter_confirmation",), adapter.calls)
|
||||
detail = self.repository.get_task(task_id)
|
||||
assert detail is not None
|
||||
self.assertEqual(detail.last_error_code, expected_code)
|
||||
|
||||
def test_purchase_task_with_missing_safety_fields_is_reported(self):
|
||||
task_id = "PUR-INVALID"
|
||||
task = AdminTask(
|
||||
task_id=task_id,
|
||||
task_type=TaskType.PURCHASE,
|
||||
version=1,
|
||||
priority=0,
|
||||
payload={"goods_url": "https://example.test/goods"},
|
||||
)
|
||||
self.gateway.enqueue_task(task, self.client.client_id)
|
||||
self.gateway.claim_next(
|
||||
self.client,
|
||||
ClaimCapabilities(supported_types=(TaskType.PURCHASE,)),
|
||||
)
|
||||
self.repository.add_claimed_task(
|
||||
NewClaimedTask(
|
||||
remote_task_id=task_id,
|
||||
task_type=TaskType.PURCHASE,
|
||||
goods_url="https://example.test/goods",
|
||||
admin_payload={
|
||||
"id": task_id,
|
||||
"type": "purchase",
|
||||
"version": 1,
|
||||
"payload": dict(task.payload),
|
||||
},
|
||||
)
|
||||
)
|
||||
adapter = RecordingDryRunAdapter()
|
||||
|
||||
outcome = self._service(adapter).execute_selected(task_id)
|
||||
|
||||
self.assertEqual(outcome.kind, "failed")
|
||||
self.assertNotIn(("open_goods", "https://example.test/goods"), adapter.calls)
|
||||
detail = self.repository.get_task(task_id)
|
||||
assert detail is not None
|
||||
self.assertEqual(detail.last_error_code, "PURCHASE_TASK_INVALID")
|
||||
|
||||
|
||||
if __name__ == "__main__":
|
||||
unittest.main()
|
||||
@@ -89,7 +89,7 @@ client/
|
||||
| 目录分层 | domain / application / infrastructure / workers / ui | 平铺在 `src/` 下：`db.py`、`db_schema.py`、`task_repository.py`、`settings_repository.py`、`task_models.py` 等，另有 `src/util/`、`src/demo1/` |
|
||||
| 主按钮文案 | 「开始自动获取」⇄「停止自动获取」 | 已按持续串行模式实现 |
|
||||
| Admin 网关 | `AdminGateway` + Mock/HTTP 两实现 | 登记、领取、结果和失败提交已实现 |
|
||||
| 采集任务协调器 | `CollectTaskService` | 已实现单条采集任务流程；采购仍未接入 |
|
||||
| 任务应用服务 | `CollectTaskService` / `PurchaseTaskService` | 采集已接入自动获取；采购已实现本地 `dry_run` 演练，领取与分派由后续工单接入 |
|
||||
| Outbox 提交 | 从 `outbox_events` 取件重试 | 采集结果与失败已实现，重试不重复采集 |
|
||||
| PDD 自动化 | `infrastructure/pdd/` 适配层 | `pdd_device_service.py` 与 `pdd_collect_service.py` 已接入采集主链 |
|
||||
|
||||
@@ -350,6 +350,11 @@ purchase(task, mode) -> PurchaseResult
|
||||
reconcile_purchase(task, run) -> PurchaseResult | ManualReview
|
||||
```
|
||||
|
||||
采购演练通过 `PddPurchaseAdapter` 的窄接口逐步读取最新页面状态。该接口只提供
|
||||
打开商品、读取状态、精确选择动态规格、设置数量、进入提交前确认页和停止，
|
||||
**不提供提交订单或付款方法**。这样即使应用层调用错误，也没有可误触的真实下单入口。
|
||||
采购规格使用完整 `options` 对象精确比较，不假定只有颜色和尺码两个维度。
|
||||
|
||||
现有 `wait_goods_page`、规格面板坐标、颜色尺码选择和下单按钮定位函数可以迁移到该适配层。实验脚本中的硬编码商品、设备、文件路径和 `print` 不得进入正式服务。
|
||||
|
||||
PDD 页面可能出现登录失效、验证码、控件树不完整、A/B 页面、库存变化和价格变化。适配层必须返回结构化错误，不得把这些情况统一返回 `False`。
|
||||
|
||||
@@ -544,18 +544,27 @@ CREATE TABLE app_settings (
|
||||
"purchase": {
|
||||
"mode": "dry_run",
|
||||
"requested": {
|
||||
"options": {
|
||||
"color": "黑色",
|
||||
"size": "L",
|
||||
"bundle": "标准版"
|
||||
},
|
||||
"quantity": 2,
|
||||
"max_price_cent": 4200
|
||||
},
|
||||
"confirmed": {
|
||||
"options": {
|
||||
"color": "黑色",
|
||||
"size": "L",
|
||||
"bundle": "标准版"
|
||||
},
|
||||
"quantity": 2,
|
||||
"unit_price_cent": 3990,
|
||||
"total_price_cent": 7980
|
||||
},
|
||||
"confirmation_reached": true,
|
||||
"order_submitted": false,
|
||||
"payment_attempted": false,
|
||||
"order_no": null,
|
||||
"ordered_at": null,
|
||||
"ordered_at_raw": null,
|
||||
@@ -564,6 +573,11 @@ CREATE TABLE app_settings (
|
||||
}
|
||||
```
|
||||
|
||||
`requested.options` 和 `confirmed.options` 都是动态对象，键名来自 Admin 和 PDD
|
||||
页面，不允许写死成颜色、尺码，也不做相似匹配。`dry_run` 必须同时满足
|
||||
`order_submitted=false`、`payment_attempted=false` 和
|
||||
`match_status=not_submitted`；只表示已经安全到达最终提交前确认页。
|
||||
|
||||
真实下单后 `mode` 为 `live`，`match_status` 只能是 `matched`、`ambiguous` 或 `not_found`。只有 `matched` 可以自动报告采购成功。
|
||||
|
||||
## 9. JSON 兼容规则
|
||||
|
||||
Reference in New Issue
Block a user