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