Add user delete process

services/sales/app/api/sales_operations.py

@@ -4,6 +4,7 @@ Sales Operations API - Business operations and complex workflows
 """
 
 from fastapi import APIRouter, Depends, HTTPException, Query, Path, UploadFile, File, Form
+from sqlalchemy.ext.asyncio import AsyncSession
 from typing import List, Optional, Dict, Any
 from uuid import UUID
 from datetime import datetime
@@ -13,6 +14,7 @@ import json
 from app.schemas.sales import SalesDataResponse
 from app.services.sales_service import SalesService
 from app.services.data_import_service import DataImportService
+from app.core.database import get_db
 from shared.auth.decorators import get_current_user_dep
 from shared.auth.access_control import require_user_role
 from shared.routing import RouteBuilder
@@ -431,3 +433,84 @@ async def get_import_template(
     except Exception as e:
         logger.error("Failed to get import template", error=str(e), tenant_id=tenant_id)
         raise HTTPException(status_code=500, detail=f"Failed to get import template: {str(e)}")
+
+# ============================================================================
+# Tenant Data Deletion Operations (Internal Service Only)
+# ============================================================================
+
+from shared.auth.access_control import service_only_access
+from app.services.tenant_deletion_service import SalesTenantDeletionService
+
+
+@router.delete(
+    route_builder.build_base_route("tenant/{tenant_id}", include_tenant_prefix=False),
+    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),
+    db: AsyncSession = Depends(get_db)
+):
+    """
+    Delete all sales data for a tenant (Internal service only)
+    """
+    try:
+        logger.info("sales.tenant_deletion.api_called", tenant_id=tenant_id)
+
+        deletion_service = SalesTenantDeletionService(db)
+        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("sales.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(
+    route_builder.build_base_route("tenant/{tenant_id}/deletion-preview", include_tenant_prefix=False),
+    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),
+    db: AsyncSession = Depends(get_db)
+):
+    """
+    Preview what data would be deleted for a tenant (dry-run)
+    """
+    try:
+        logger.info("sales.tenant_deletion.preview_called", tenant_id=tenant_id)
+
+        deletion_service = SalesTenantDeletionService(db)
+        result = await deletion_service.preview_deletion(tenant_id)
+
+        if not result.success:
+            raise HTTPException(
+                status_code=500,
+                detail=f"Tenant deletion preview failed: {', '.join(result.errors)}"
+            )
+
+        return {
+            "tenant_id": tenant_id,
+            "service": "sales-service",
+            "data_counts": result.deleted_counts,
+            "total_items": sum(result.deleted_counts.values())
+        }
+    except HTTPException:
+        raise
+    except Exception as e:
+        logger.error("sales.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)}")

services/sales/app/services/tenant_deletion_service.py

@@ -0,0 +1,81 @@
+"""
+Sales Service - Tenant Data Deletion
+Handles deletion of all sales-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
+from app.models.sales import SalesData
+
+logger = structlog.get_logger()
+
+
+class SalesTenantDeletionService(BaseTenantDataDeletionService):
+    """Service for deleting all sales-related data for a tenant"""
+
+    def __init__(self, db_session: AsyncSession):
+        super().__init__("sales-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 = {}
+
+            # Count sales data
+            sales_count = await self.db.scalar(
+                select(func.count(SalesData.id)).where(SalesData.tenant_id == tenant_id)
+            )
+            preview["sales_records"] = sales_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:
+            # Delete all sales data for the tenant
+            try:
+                sales_delete = await self.db.execute(
+                    delete(SalesData).where(SalesData.tenant_id == tenant_id)
+                )
+                deleted_sales = sales_delete.rowcount
+                result.add_deleted_items("sales_records", deleted_sales)
+
+                logger.info("Deleted sales data for tenant",
+                           tenant_id=tenant_id,
+                           count=deleted_sales)
+
+            except Exception as e:
+                logger.error("Error deleting sales data",
+                           tenant_id=tenant_id,
+                           error=str(e))
+                result.add_error(f"Sales data 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