таски готовы

backend/src/services/reports/report_service.py

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+# [DEF:backend.src.services.reports.report_service:Module]
+# @TIER: CRITICAL
+# @SEMANTICS: reports, service, aggregation, filtering, pagination, detail
+# @PURPOSE: Aggregate, normalize, filter, and paginate task reports for unified list/detail API use cases.
+# @LAYER: Domain
+# @RELATION: DEPENDS_ON -> backend.src.core.task_manager.manager.TaskManager
+# @RELATION: DEPENDS_ON -> backend.src.models.report
+# @RELATION: DEPENDS_ON -> backend.src.services.reports.normalizer
+# @INVARIANT: List responses are deterministic and include applied filter echo metadata.
+
+# [SECTION: IMPORTS]
+from datetime import datetime
+from typing import List, Optional
+
+from ...core.task_manager import TaskManager
+from ...models.report import ReportCollection, ReportDetailView, ReportQuery, ReportStatus, TaskReport, TaskType
+from .normalizer import normalize_task_report
+# [/SECTION]
+
+
+# [DEF:ReportsService:Class]
+# @PURPOSE: Service layer for list/detail report retrieval and normalization.
+# @TIER: CRITICAL
+# @PRE: TaskManager dependency is initialized.
+# @POST: Provides deterministic list/detail report responses.
+class ReportsService:
+    # [DEF:__init__:Function]
+    # @PURPOSE: Initialize service with TaskManager dependency.
+    # @PARAM: task_manager (TaskManager) - Task manager providing source task history.
+    def __init__(self, task_manager: TaskManager):
+        self.task_manager = task_manager
+    # [/DEF:__init__:Function]
+
+    # [DEF:_load_normalized_reports:Function]
+    # @PURPOSE: Build normalized reports from all available tasks.
+    # @RETURN: List[TaskReport] - Reports sorted later by list logic.
+    def _load_normalized_reports(self) -> List[TaskReport]:
+        tasks = self.task_manager.get_all_tasks()
+        reports = [normalize_task_report(task) for task in tasks]
+        return reports
+    # [/DEF:_load_normalized_reports:Function]
+
+    # [DEF:_matches_query:Function]
+    # @PURPOSE: Apply query filtering to a report.
+    # @PARAM: report (TaskReport) - Candidate report.
+    # @PARAM: query (ReportQuery) - Applied query.
+    # @RETURN: bool - True if report matches all filters.
+    def _matches_query(self, report: TaskReport, query: ReportQuery) -> bool:
+        if query.task_types and report.task_type not in query.task_types:
+            return False
+        if query.statuses and report.status not in query.statuses:
+            return False
+        if query.time_from and report.updated_at < query.time_from:
+            return False
+        if query.time_to and report.updated_at > query.time_to:
+            return False
+        if query.search:
+            needle = query.search.lower()
+            haystack = f"{report.summary} {report.task_type.value} {report.status.value}".lower()
+            if needle not in haystack:
+                return False
+        return True
+    # [/DEF:_matches_query:Function]
+
+    # [DEF:_sort_reports:Function]
+    # @PURPOSE: Sort reports deterministically according to query settings.
+    # @PARAM: reports (List[TaskReport]) - Filtered reports.
+    # @PARAM: query (ReportQuery) - Sort config.
+    # @RETURN: List[TaskReport] - Sorted reports.
+    def _sort_reports(self, reports: List[TaskReport], query: ReportQuery) -> List[TaskReport]:
+        reverse = query.sort_order == "desc"
+
+        if query.sort_by == "status":
+            reports.sort(key=lambda item: item.status.value, reverse=reverse)
+        elif query.sort_by == "task_type":
+            reports.sort(key=lambda item: item.task_type.value, reverse=reverse)
+        else:
+            reports.sort(key=lambda item: item.updated_at, reverse=reverse)
+
+        return reports
+    # [/DEF:_sort_reports:Function]
+
+    # [DEF:list_reports:Function]
+    # @PURPOSE: Return filtered, sorted, paginated report collection.
+    # @PRE: query has passed schema validation.
+    # @POST: Returns {items,total,page,page_size,has_next,applied_filters}.
+    # @PARAM: query (ReportQuery) - List filters and pagination.
+    # @RETURN: ReportCollection - Paginated unified reports payload.
+    def list_reports(self, query: ReportQuery) -> ReportCollection:
+        reports = self._load_normalized_reports()
+        filtered = [report for report in reports if self._matches_query(report, query)]
+        sorted_reports = self._sort_reports(filtered, query)
+
+        total = len(sorted_reports)
+        start = (query.page - 1) * query.page_size
+        end = start + query.page_size
+        items = sorted_reports[start:end]
+        has_next = end < total
+
+        return ReportCollection(
+            items=items,
+            total=total,
+            page=query.page,
+            page_size=query.page_size,
+            has_next=has_next,
+            applied_filters=query,
+        )
+    # [/DEF:list_reports:Function]
+
+    # [DEF:get_report_detail:Function]
+    # @PURPOSE: Return one normalized report with timeline/diagnostics/next actions.
+    # @PRE: report_id exists in normalized report set.
+    # @POST: Returns normalized detail envelope with diagnostics and next actions where applicable.
+    # @PARAM: report_id (str) - Stable report identifier.
+    # @RETURN: Optional[ReportDetailView] - Detailed report or None if not found.
+    def get_report_detail(self, report_id: str) -> Optional[ReportDetailView]:
+        reports = self._load_normalized_reports()
+        target = next((report for report in reports if report.report_id == report_id), None)
+        if not target:
+            return None
+
+        timeline = []
+        if target.started_at:
+            timeline.append({"event": "started", "at": target.started_at.isoformat()})
+        timeline.append({"event": "updated", "at": target.updated_at.isoformat()})
+
+        diagnostics = target.details or {}
+        if not diagnostics:
+            diagnostics = {"note": "Not provided"}
+        if target.error_context:
+            diagnostics["error_context"] = target.error_context.model_dump()
+
+        next_actions = []
+        if target.error_context and target.error_context.next_actions:
+            next_actions = target.error_context.next_actions
+        elif target.status in {ReportStatus.FAILED, ReportStatus.PARTIAL}:
+            next_actions = ["Review diagnostics", "Retry task if applicable"]
+
+        return ReportDetailView(
+            report=target,
+            timeline=timeline,
+            diagnostics=diagnostics,
+            next_actions=next_actions,
+        )
+    # [/DEF:get_report_detail:Function]
+# [/DEF:ReportsService:Class]
+
+# [/DEF:backend.src.services.reports.report_service:Module]