Add user delete process

services/alert_processor/app/api/analytics.py

@@ -9,6 +9,7 @@ from pydantic import BaseModel, Field
 import structlog
 
 from shared.auth.decorators import get_current_user_dep
+from shared.auth.access_control import service_only_access
 
 logger = structlog.get_logger()
 
@@ -236,3 +237,124 @@ async def get_trends(
     except Exception as e:
         logger.error("Failed to get alert trends", error=str(e), tenant_id=str(tenant_id))
         raise HTTPException(status_code=500, detail=f"Failed to get trends: {str(e)}")
+
+
+# ============================================================================
+# Tenant Data Deletion Operations (Internal Service Only)
+# ============================================================================
+
+@router.delete(
+    "/api/v1/alerts/tenant/{tenant_id}",
+    response_model=dict
+)
+@service_only_access
+async def delete_tenant_data(
+    tenant_id: str = Path(..., description="Tenant ID to delete data for"),
+    current_user: dict = Depends(get_current_user_dep)
+):
+    """
+    Delete all alert data for a tenant (Internal service only)
+
+    This endpoint is called by the orchestrator during tenant deletion.
+    It permanently deletes all alert-related data including:
+    - Alerts (all types and severities)
+    - Alert interactions
+    - Audit logs
+
+    **WARNING**: This operation is irreversible!
+
+    Returns:
+        Deletion summary with counts of deleted records
+    """
+    from app.services.tenant_deletion_service import AlertProcessorTenantDeletionService
+    from app.config import AlertProcessorConfig
+    from shared.database.base import create_database_manager
+
+    try:
+        logger.info("alert_processor.tenant_deletion.api_called", tenant_id=tenant_id)
+
+        config = AlertProcessorConfig()
+        db_manager = create_database_manager(config.DATABASE_URL, "alert-processor")
+
+        async with db_manager.get_session() as session:
+            deletion_service = AlertProcessorTenantDeletionService(session)
+            result = await deletion_service.safe_delete_tenant_data(tenant_id)
+
+            if not result.success:
+                raise HTTPException(
+                    status_code=500,
+                    detail=f"Tenant data deletion failed: {', '.join(result.errors)}"
+                )
+
+            return {
+                "message": "Tenant data deletion completed successfully",
+                "summary": result.to_dict()
+            }
+
+    except HTTPException:
+        raise
+    except Exception as e:
+        logger.error("alert_processor.tenant_deletion.api_error",
+                    tenant_id=tenant_id,
+                    error=str(e),
+                    exc_info=True)
+        raise HTTPException(
+            status_code=500,
+            detail=f"Failed to delete tenant data: {str(e)}"
+        )
+
+
+@router.get(
+    "/api/v1/alerts/tenant/{tenant_id}/deletion-preview",
+    response_model=dict
+)
+@service_only_access
+async def preview_tenant_data_deletion(
+    tenant_id: str = Path(..., description="Tenant ID to preview deletion for"),
+    current_user: dict = Depends(get_current_user_dep)
+):
+    """
+    Preview what data would be deleted for a tenant (dry-run)
+
+    This endpoint shows counts of all data that would be deleted
+    without actually deleting anything. Useful for:
+    - Confirming deletion scope before execution
+    - Auditing and compliance
+    - Troubleshooting
+
+    Returns:
+        Dictionary with entity names and their counts
+    """
+    from app.services.tenant_deletion_service import AlertProcessorTenantDeletionService
+    from app.config import AlertProcessorConfig
+    from shared.database.base import create_database_manager
+
+    try:
+        logger.info("alert_processor.tenant_deletion.preview_called", tenant_id=tenant_id)
+
+        config = AlertProcessorConfig()
+        db_manager = create_database_manager(config.DATABASE_URL, "alert-processor")
+
+        async with db_manager.get_session() as session:
+            deletion_service = AlertProcessorTenantDeletionService(session)
+            preview = await deletion_service.get_tenant_data_preview(tenant_id)
+
+            total_records = sum(preview.values())
+
+            return {
+                "tenant_id": tenant_id,
+                "service": "alert_processor",
+                "preview": preview,
+                "total_records": total_records,
+                "warning": "These records will be permanently deleted and cannot be recovered"
+            }
+
+    except Exception as e:
+        logger.error("alert_processor.tenant_deletion.preview_error",
+                    tenant_id=tenant_id,
+                    error=str(e),
+                    exc_info=True)
+        raise HTTPException(
+            status_code=500,
+            detail=f"Failed to preview tenant data deletion: {str(e)}"
+        )