feat: dependency injection to allow reusing an existing auth client

skywipe/operations.py

@@ -10,13 +10,17 @@ from .logger import get_logger, ProgressTracker
 
 
 class OperationContext:
-    def __init__(self):
+    def __init__(self, client=None, config_data=None):
         self.logger = get_logger()
+
+        if client is not None:
+            self.client = client
+            self.did = client.me.did
+        else:
             try:
                 self.auth = Auth()
                 self.client = self.auth.login()
-            self.config = Configuration()
-            self.config_data = self.config.load()
+                self.did = self.client.me.did
             except (ValueError, FileNotFoundError) as e:
                 self.logger.error(f"Configuration error: {e}")
                 raise
@@ -26,9 +30,23 @@ class OperationContext:
                 raise ValueError(
                     f"Failed to initialize operation context: {e}") from e
 
+        if config_data is not None:
+            self.config_data = config_data
+        else:
+            try:
+                self.config = Configuration()
+                self.config_data = self.config.load()
+            except (ValueError, FileNotFoundError) as e:
+                self.logger.error(f"Configuration error: {e}")
+                raise
+            except Exception as e:
+                self.logger.error(
+                    f"Unexpected error loading configuration: {e}", exc_info=True)
+                raise ValueError(
+                    f"Failed to load configuration: {e}") from e
+
         self.batch_size = self.config_data.get("batch_size", 10)
         self.delay = self.config_data.get("delay", 1)
-        self.did = self.client.me.did
 
 
 class BaseStrategy:
@@ -120,10 +138,14 @@ class Operation:
         operation_name: str,
         strategy_type: str = "feed",
         collection: Optional[str] = None,
-        filter_fn: Optional[Callable[[Any], bool]] = None
+        filter_fn: Optional[Callable[[Any], bool]] = None,
+        client=None,
+        config_data=None
     ):
         self.operation_name = operation_name
         self.filter_fn = filter_fn
+        self._client = client
+        self._config_data = config_data
 
         if strategy_type == "record":
             if not collection:
@@ -135,7 +157,8 @@ class Operation:
             self.strategy = FeedStrategy()
 
     def run(self) -> int:
-        context = OperationContext()
+        context = OperationContext(
+            client=self._client, config_data=self._config_data)
         progress = ProgressTracker(operation=self.operation_name)
 
         context.logger.info(