init biliup-next

src/biliup_next/app/task_runner.py

@@ -0,0 +1,74 @@
+from __future__ import annotations
+
+from biliup_next.app.bootstrap import ensure_initialized
+from biliup_next.app.task_audit import record_task_action
+from biliup_next.app.task_engine import (
+    execute_step,
+    next_runnable_step,
+)
+from biliup_next.app.task_policies import apply_disabled_step_fallbacks
+from biliup_next.app.task_policies import resolve_failure
+from biliup_next.core.errors import ModuleError
+from biliup_next.core.models import utc_now_iso
+
+
+def process_task(task_id: str, *, reset_step: str | None = None, include_stage_scan: bool = False) -> dict[str, object]:
+    state = ensure_initialized()
+    repo = state["repo"]
+    task = repo.get_task(task_id)
+    if task is None:
+        return {"processed": [], "error": {"code": "TASK_NOT_FOUND", "message": f"task not found: {task_id}"}}
+
+    processed: list[dict[str, object]] = []
+
+    if include_stage_scan:
+        ingest_settings = dict(state["settings"]["ingest"])
+        ingest_settings.update(state["settings"]["paths"])
+        stage_scan = state["ingest_service"].scan_stage(ingest_settings)
+        processed.append({"stage_scan": stage_scan})
+        record_task_action(repo, task_id, "stage_scan", "ok", "stage scan completed", stage_scan)
+
+    if reset_step:
+        step_names = {step.step_name for step in repo.list_steps(task_id)}
+        if reset_step not in step_names:
+            return {"processed": processed, "error": {"code": "STEP_NOT_FOUND", "message": f"step not found: {reset_step}"}}
+        repo.update_step_status(
+            task_id,
+            reset_step,
+            "pending",
+            error_code=None,
+            error_message=None,
+            started_at=None,
+            finished_at=None,
+        )
+        repo.update_task_status(task_id, task.status, utc_now_iso())
+        processed.append({"task_id": task_id, "step": reset_step, "reset": True})
+        record_task_action(repo, task_id, "retry_step", "ok", f"step reset to pending: {reset_step}", {"step_name": reset_step})
+
+    try:
+        while True:
+            current_task = repo.get_task(task.id) or task
+            current_steps = {step.step_name: step for step in repo.list_steps(task.id)}
+
+            if apply_disabled_step_fallbacks(state, current_task, repo):
+                continue
+
+            step_name, waiting_payload = next_runnable_step(current_task, current_steps, state)
+            if waiting_payload is not None:
+                processed.append(waiting_payload)
+                return {"processed": processed}
+            if step_name is None:
+                break
+
+            payload = execute_step(state, task.id, step_name)
+            if current_task.status == "failed_retryable":
+                payload["retry"] = True
+                record_task_action(repo, task_id, step_name, "ok", f"{step_name} retry succeeded", payload)
+            else:
+                record_task_action(repo, task_id, step_name, "ok", f"{step_name} succeeded", payload)
+            processed.append(payload)
+    except ModuleError as exc:
+        failure = resolve_failure(task, repo, state, exc)
+        processed.append(failure["payload"])
+        record_task_action(repo, task_id, failure["step_name"], "error", failure["summary"], failure["payload"])
+    return {"processed": processed}