fix: 任务执行前检查 Android 设备连接 (#84)

client/src/task_dispatcher.py

@@ -14,6 +14,10 @@ from .admin_gateway import (
     ClientInfo,
 )
 from .collect_task_service import CollectServiceFactory, CollectTaskService
+from .android_device_service import (
+    AndroidDeviceSearchError,
+    AndroidDeviceService,
+)
 from .purchase_task_service import (
     PurchaseAdapterFactory,
     PurchaseTaskService,
@@ -126,6 +130,7 @@ class TaskDispatcher:
         purchase_adapter_factory: Optional[PurchaseAdapterFactory] = None,
         purchase_reconcile_factory: Optional[PurchaseReconcileFactory] = None,
         cancelled: Callable[[], bool] = lambda: False,
+        device_connection_checker: Optional[Callable[[str], None]] = None,
     ) -> None:
         self._gateway = gateway
         self._repository = repository
@@ -135,6 +140,10 @@ class TaskDispatcher:
         self._purchase_factory = purchase_adapter_factory
         self._reconcile_factory = purchase_reconcile_factory
         self._cancelled = cancelled
+        self._device_connection_checker = (
+            device_connection_checker
+            or AndroidDeviceService().require_connected
+        )
 
     @property
     def purchase_ready(self) -> bool:
@@ -169,7 +178,10 @@ class TaskDispatcher:
         if pending is not None:
             return self._submit_pending(pending)
         if not self._device_address:
-            raise ValueError("请先在设置页选择并保存 Android 设备")
+            raise AndroidDeviceSearchError(
+                "请先在设置页选择并保存 Android 设备"
+            )
+        self._device_connection_checker(self._device_address)
 
         reconcile_task = self._repository.next_purchase_reconcile_task()
         if reconcile_task is not None: