Files
ss-tools/backend/src/services/reports/normalizer.py
2026-02-24 21:08:12 +03:00

157 lines
6.7 KiB
Python

# [DEF:backend.src.services.reports.normalizer:Module]
# @TIER: CRITICAL
# @SEMANTICS: reports, normalization, tasks, fallback
# @PURPOSE: Convert task manager task objects into canonical unified TaskReport entities with deterministic fallback behavior.
# @LAYER: Domain
# @RELATION: DEPENDS_ON -> backend.src.core.task_manager.models.Task
# @RELATION: DEPENDS_ON -> backend.src.models.report
# @RELATION: DEPENDS_ON -> backend.src.services.reports.type_profiles
# @INVARIANT: Unknown task types and partial payloads remain visible via fallback mapping.
# [SECTION: IMPORTS]
from datetime import datetime
from typing import Any, Dict, Optional
from ...core.logger import belief_scope
from ...core.task_manager.models import Task, TaskStatus
from ...models.report import ErrorContext, ReportStatus, TaskReport
from .type_profiles import get_type_profile, resolve_task_type
# [/SECTION]
# [DEF:status_to_report_status:Function]
# @PURPOSE: Normalize internal task status to canonical report status.
# @PRE: status may be known or unknown string/enum value.
# @POST: Always returns one of canonical ReportStatus values.
# @PARAM: status (Any) - Internal task status value.
# @RETURN: ReportStatus - Canonical report status.
def status_to_report_status(status: Any) -> ReportStatus:
with belief_scope("status_to_report_status"):
raw = str(status.value if isinstance(status, TaskStatus) else status).upper()
if raw == TaskStatus.SUCCESS.value:
return ReportStatus.SUCCESS
if raw == TaskStatus.FAILED.value:
return ReportStatus.FAILED
if raw in {TaskStatus.PENDING.value, TaskStatus.RUNNING.value, TaskStatus.AWAITING_INPUT.value, TaskStatus.AWAITING_MAPPING.value}:
return ReportStatus.IN_PROGRESS
return ReportStatus.PARTIAL
# [/DEF:status_to_report_status:Function]
# [DEF:build_summary:Function]
# @PURPOSE: Build deterministic user-facing summary from task payload and status.
# @PRE: report_status is canonical; plugin_id may be unknown.
# @POST: Returns non-empty summary text.
# @PARAM: task (Task) - Source task object.
# @PARAM: report_status (ReportStatus) - Canonical status.
# @RETURN: str - Normalized summary.
def build_summary(task: Task, report_status: ReportStatus) -> str:
with belief_scope("build_summary"):
result = task.result
if isinstance(result, dict):
for key in ("summary", "message", "status_message", "description"):
value = result.get(key)
if isinstance(value, str) and value.strip():
return value.strip()
if report_status == ReportStatus.SUCCESS:
return "Task completed successfully"
if report_status == ReportStatus.FAILED:
return "Task failed"
if report_status == ReportStatus.IN_PROGRESS:
return "Task is in progress"
return "Task completed with partial data"
# [/DEF:build_summary:Function]
# [DEF:extract_error_context:Function]
# @PURPOSE: Extract normalized error context and next actions for failed/partial reports.
# @PRE: task is a valid Task object.
# @POST: Returns ErrorContext for failed/partial when context exists; otherwise None.
# @PARAM: task (Task) - Source task.
# @PARAM: report_status (ReportStatus) - Canonical status.
# @RETURN: Optional[ErrorContext] - Error context block.
def extract_error_context(task: Task, report_status: ReportStatus) -> Optional[ErrorContext]:
with belief_scope("extract_error_context"):
if report_status not in {ReportStatus.FAILED, ReportStatus.PARTIAL}:
return None
result = task.result if isinstance(task.result, dict) else {}
message = None
code = None
next_actions = []
if isinstance(result.get("error"), dict):
error_obj = result.get("error", {})
message = error_obj.get("message") or message
code = error_obj.get("code") or code
actions = error_obj.get("next_actions")
if isinstance(actions, list):
next_actions = [str(action) for action in actions if str(action).strip()]
if not message:
message = result.get("error_message") if isinstance(result.get("error_message"), str) else None
if not message:
for log in reversed(task.logs):
if str(log.level).upper() == "ERROR" and log.message:
message = log.message
break
if not message:
message = "Not provided"
if not next_actions:
next_actions = ["Review task diagnostics", "Retry the operation"]
return ErrorContext(code=code, message=message, next_actions=next_actions)
# [/DEF:extract_error_context:Function]
# [DEF:normalize_task_report:Function]
# @PURPOSE: Convert one Task to canonical TaskReport envelope.
# @PRE: task has valid id and plugin_id fields.
# @POST: Returns TaskReport with required fields and deterministic fallback behavior.
# @PARAM: task (Task) - Source task.
# @RETURN: TaskReport - Canonical normalized report.
def normalize_task_report(task: Task) -> TaskReport:
with belief_scope("normalize_task_report"):
task_type = resolve_task_type(task.plugin_id)
report_status = status_to_report_status(task.status)
profile = get_type_profile(task_type)
started_at = task.started_at if isinstance(task.started_at, datetime) else None
updated_at = task.finished_at if isinstance(task.finished_at, datetime) else None
if not updated_at:
updated_at = started_at or datetime.utcnow()
details: Dict[str, Any] = {
"profile": {
"display_label": profile.get("display_label"),
"visual_variant": profile.get("visual_variant"),
"icon_token": profile.get("icon_token"),
"emphasis_rules": profile.get("emphasis_rules", []),
},
"result": task.result if task.result is not None else {"note": "Not provided"},
}
source_ref: Dict[str, Any] = {}
if isinstance(task.params, dict):
for key in ("environment_id", "source_env_id", "target_env_id", "dashboard_id", "dataset_id", "resource_id"):
if key in task.params:
source_ref[key] = task.params.get(key)
return TaskReport(
report_id=task.id,
task_id=task.id,
task_type=task_type,
status=report_status,
started_at=started_at,
updated_at=updated_at,
summary=build_summary(task, report_status),
details=details,
error_context=extract_error_context(task, report_status),
source_ref=source_ref or None,
)
# [/DEF:normalize_task_report:Function]
# [/DEF:backend.src.services.reports.normalizer:Module]