clan-app: simplified task function, moved them to a separate file

pkgs/clan-app/clan_app/app.py

@@ -8,7 +8,7 @@ from dataclasses import dataclass
 from pathlib import Path
 
 import clan_lib.machines.actions  # noqa: F401
-from clan_lib.api import API, ErrorDataClass, SuccessDataClass
+from clan_lib.api import API, tasks
 
 # TODO: We have to manually import python files to make the API.register be triggered.
 # We NEED to fix this, as this is super unintuitive and error-prone.
@@ -46,45 +46,16 @@ def app_run(app_opts: ClanAppOptions) -> int:
     webview = Webview(debug=app_opts.debug)
     webview.title = "Clan App"
     # This seems to call the gtk api correctly but and gtk also seems to our icon, but somehow the icon is not loaded.
-    webview.icon = "clan-white"
 
+    # Init LogManager global in log_manager_api module
     log_manager_api.LOG_MANAGER_INSTANCE = LogManager(
         base_dir=user_data_dir() / "clan-app" / "logs"
     )
 
-    def cancel_task(
-        task_id: str, *, op_key: str
-    ) -> SuccessDataClass[None] | ErrorDataClass:
-        """Cancel a task by its op_key."""
-        log.debug(f"Cancelling task with op_key: {task_id}")
-        future = webview.threads.get(task_id)
-        if future:
-            future.stop_event.set()
-            log.debug(f"Task {task_id} cancelled.")
-        else:
-            log.warning(f"Task {task_id} not found.")
-        return SuccessDataClass(
-            op_key=op_key,
-            data=None,
-            status="success",
-        )
+    # Init BAKEND_THREADS in tasks module
+    tasks.BAKEND_THREADS = webview.threads
 
-    def list_tasks(
-        *,
-        op_key: str,
-    ) -> SuccessDataClass[list[str]] | ErrorDataClass:
-        """List all tasks."""
-        log.debug("Listing all tasks.")
-        tasks = list(webview.threads.keys())
-        return SuccessDataClass(
-            op_key=op_key,
-            data=tasks,
-            status="success",
-        )
-
-    API.overwrite_fn(list_tasks)
     API.overwrite_fn(open_file)
-    API.overwrite_fn(cancel_task)
     webview.bind_jsonschema_api(API, log_manager=log_manager_api.LOG_MANAGER_INSTANCE)
     webview.size = Size(1280, 1024, SizeHint.NONE)
     webview.navigate(content_uri)

pkgs/clan-cli/clan_lib/api/tasks.py

@@ -1,15 +1,36 @@
+import logging
+import threading
+from dataclasses import dataclass
+
 from clan_lib.api import API
 
+log = logging.getLogger(__name__)
+
+
+@dataclass
+class WebThread:
+    thread: threading.Thread
+    stop_event: threading.Event
+
+
+BAKEND_THREADS: dict[str, WebThread] | None = None
+
 
 @API.register_abstract
 def cancel_task(task_id: str) -> None:
     """Cancel a task by its op_key."""
-    msg = "cancel_task() is not implemented"
-    raise NotImplementedError(msg)
+    assert BAKEND_THREADS is not None, "Backend threads not initialized"
+    future = BAKEND_THREADS.get(task_id)
+    if future:
+        future.stop_event.set()
+        log.debug(f"Task with id {task_id} has been cancelled.")
+    else:
+        msg = f"Task with id {task_id} not found."
+        raise ValueError(msg)
 
 
-@API.register_abstract
+@API.register
 def list_tasks() -> list[str]:
     """List all tasks."""
-    msg = "list_tasks() is not implemented"
-    raise NotImplementedError(msg)
+    assert BAKEND_THREADS is not None, "Backend threads not initialized"
+    return list(BAKEND_THREADS.keys())