feat: add Repair Center operations view

backend/app/repairs/center_service.py

@@ -0,0 +1,96 @@
+"""Application service for the consolidated Repair Center read model."""
+
+from app.repairs.center_repository import RepairCenterRepository
+from app.repairs.models import (
+    RepairCenterAccess,
+    RepairCenterCapabilities,
+    RepairCenterFilters,
+    RepairCenterItem,
+    RepairCenterList,
+    RepairCenterLocationOptions,
+    RepairCenterMeta,
+    RepairCenterResponse,
+    RepairCenterSummary,
+)
+
+
+class RepairCenterService:
+    """Build typed, permission-aware Repair Center projections."""
+
+    def __init__(self, repository: RepairCenterRepository):
+        self.repository = repository
+
+    @staticmethod
+    def _capabilities(
+        item: RepairCenterItem,
+        access: RepairCenterAccess,
+    ) -> RepairCenterCapabilities:
+        modular = item.source == "modular" and item.repair_id is not None
+        legacy = item.source == "legacy"
+        placed = bool(item.site_id and item.room_id and item.position_id)
+        return RepairCenterCapabilities(
+            can_open_miner=access.can_view_miners,
+            can_open_map=access.can_view_locations and placed,
+            can_read_modular_timeline=modular and access.can_read_repairs,
+            can_read_modular_parts=modular and access.can_read_repairs,
+            can_manage_modular_parts=(
+                modular and item.active and access.can_read_repairs
+                and access.can_manage_parts
+            ),
+            can_complete_modular_repair=(
+                modular and item.active and access.can_complete_repairs
+            ),
+            can_read_legacy_history=legacy and access.can_read_repairs,
+            can_manage_legacy=legacy and access.can_manage_legacy,
+            can_mark_legacy_repaired=legacy and access.can_manage_legacy,
+            can_decommission_legacy=legacy and access.can_manage_legacy,
+        )
+
+    def list_repair_center(
+        self,
+        filters: RepairCenterFilters,
+        access: RepairCenterAccess,
+    ) -> RepairCenterResponse:
+        query = filters.query.strip() if filters.query else None
+        model = filters.model.strip() if filters.model else None
+        status = filters.status.strip() if filters.status else None
+        repository_filters = filters.model_dump()
+        repository_filters.update(query=query or None, model=model or None,
+                                  status=status or None)
+        projection = self.repository.list_repair_center(
+            repository_filters,
+            include_miner_details=access.can_view_miners,
+            include_location_details=access.can_view_locations,
+        )
+        items: list[RepairCenterItem] = []
+        for row in projection["items"]:
+            row = {
+                **row,
+                "miner_status": row.get("runtime_status"),
+                "latest_event_status": row.get("legacy_event_status"),
+                "latest_event_description": row.get("latest_context"),
+                "latest_event_at": row.get("latest_context_at"),
+                "asset_state": row.get("legacy_asset_state"),
+                "state_notes": row.get("latest_context"),
+                "reported_error": row.get("reported_problem"),
+            }
+            item = RepairCenterItem.model_validate(
+                {**row, "capabilities": RepairCenterCapabilities()}
+            )
+            item.capabilities = self._capabilities(item, access)
+            items.append(item)
+
+        summary = RepairCenterSummary.model_validate(projection["summary"])
+        location_options = RepairCenterLocationOptions.model_validate(
+            projection.get("location_options") or {}
+        )
+        return RepairCenterResponse(
+            data=RepairCenterList(items=items, summary=summary),
+            meta=RepairCenterMeta(
+                limit=filters.limit,
+                offset=filters.offset,
+                returned=len(items),
+                total=summary.total,
+                location_options=location_options,
+            ),
+        )