Files
bakery-ia/services/inventory/app/services/tenant_deletion_service.py
2025-10-31 11:54:19 +01:00

99 lines
3.7 KiB
Python

"""
Inventory Service - Tenant Data Deletion
Handles deletion of all inventory-related data for a tenant
"""
from typing import Dict
from sqlalchemy.ext.asyncio import AsyncSession
from sqlalchemy import select, delete, func
import structlog
from shared.services.tenant_deletion import BaseTenantDataDeletionService, TenantDataDeletionResult
logger = structlog.get_logger()
class InventoryTenantDeletionService(BaseTenantDataDeletionService):
"""Service for deleting all inventory-related data for a tenant"""
def __init__(self, db_session: AsyncSession):
super().__init__("inventory-service")
self.db = db_session
async def get_tenant_data_preview(self, tenant_id: str) -> Dict[str, int]:
"""Get counts of what would be deleted"""
try:
preview = {}
# Import models here to avoid circular imports
from app.models.inventory import InventoryItem, InventoryTransaction
# Count inventory items
item_count = await self.db.scalar(
select(func.count(InventoryItem.id)).where(InventoryItem.tenant_id == tenant_id)
)
preview["inventory_items"] = item_count or 0
# Count inventory transactions
transaction_count = await self.db.scalar(
select(func.count(InventoryTransaction.id)).where(InventoryTransaction.tenant_id == tenant_id)
)
preview["inventory_transactions"] = transaction_count or 0
return preview
except Exception as e:
logger.error("Error getting deletion preview",
tenant_id=tenant_id,
error=str(e))
return {}
async def delete_tenant_data(self, tenant_id: str) -> TenantDataDeletionResult:
"""Delete all data for a tenant"""
result = TenantDataDeletionResult(tenant_id, self.service_name)
try:
# Import models here to avoid circular imports
from app.models.inventory import InventoryItem, InventoryTransaction
# Delete inventory transactions
try:
trans_delete = await self.db.execute(
delete(InventoryTransaction).where(InventoryTransaction.tenant_id == tenant_id)
)
result.add_deleted_items("inventory_transactions", trans_delete.rowcount)
except Exception as e:
logger.error("Error deleting inventory transactions",
tenant_id=tenant_id,
error=str(e))
result.add_error(f"Inventory transaction deletion: {str(e)}")
# Delete inventory items
try:
item_delete = await self.db.execute(
delete(InventoryItem).where(InventoryItem.tenant_id == tenant_id)
)
result.add_deleted_items("inventory_items", item_delete.rowcount)
except Exception as e:
logger.error("Error deleting inventory items",
tenant_id=tenant_id,
error=str(e))
result.add_error(f"Inventory item deletion: {str(e)}")
# Commit all deletions
await self.db.commit()
logger.info("Tenant data deletion completed",
tenant_id=tenant_id,
deleted_counts=result.deleted_counts)
except Exception as e:
logger.error("Fatal error during tenant data deletion",
tenant_id=tenant_id,
error=str(e))
await self.db.rollback()
result.add_error(f"Fatal error: {str(e)}")
return result