135 lines
5.1 KiB
Python
135 lines
5.1 KiB
Python
"""
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Recipes Service - Tenant Data Deletion
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Handles deletion of all recipe-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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from app.models.recipes import Recipe, RecipeIngredient, ProductionBatch
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logger = structlog.get_logger()
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class RecipesTenantDeletionService(BaseTenantDataDeletionService):
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"""Service for deleting all recipe-related data for a tenant"""
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def __init__(self, db_session: AsyncSession):
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super().__init__("recipes-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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# Count recipes
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recipe_count = await self.db.scalar(
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select(func.count(Recipe.id)).where(Recipe.tenant_id == tenant_id)
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)
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preview["recipes"] = recipe_count or 0
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# Count recipe ingredients (will be deleted via CASCADE)
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ingredient_count = await self.db.scalar(
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select(func.count(RecipeIngredient.id))
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.where(RecipeIngredient.tenant_id == tenant_id)
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)
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preview["recipe_ingredients"] = ingredient_count or 0
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# Count production batches (will be deleted via CASCADE)
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batch_count = await self.db.scalar(
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select(func.count(ProductionBatch.id))
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.where(ProductionBatch.tenant_id == tenant_id)
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)
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preview["production_batches"] = batch_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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# Get preview before deletion for reporting
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preview = await self.get_tenant_data_preview(tenant_id)
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# Delete production batches first (foreign key to recipes)
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try:
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batch_delete = await self.db.execute(
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delete(ProductionBatch).where(ProductionBatch.tenant_id == tenant_id)
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)
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deleted_batches = batch_delete.rowcount
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result.add_deleted_items("production_batches", deleted_batches)
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logger.info("Deleted production batches for tenant",
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tenant_id=tenant_id,
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count=deleted_batches)
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except Exception as e:
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logger.error("Error deleting production batches",
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tenant_id=tenant_id,
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error=str(e))
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result.add_error(f"Production batch deletion: {str(e)}")
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# Delete recipe ingredients (foreign key to recipes)
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try:
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ingredient_delete = await self.db.execute(
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delete(RecipeIngredient).where(RecipeIngredient.tenant_id == tenant_id)
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)
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deleted_ingredients = ingredient_delete.rowcount
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result.add_deleted_items("recipe_ingredients", deleted_ingredients)
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logger.info("Deleted recipe ingredients for tenant",
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tenant_id=tenant_id,
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count=deleted_ingredients)
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except Exception as e:
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logger.error("Error deleting recipe ingredients",
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tenant_id=tenant_id,
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error=str(e))
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result.add_error(f"Recipe ingredient deletion: {str(e)}")
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# Delete recipes (parent table)
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try:
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recipe_delete = await self.db.execute(
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delete(Recipe).where(Recipe.tenant_id == tenant_id)
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)
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deleted_recipes = recipe_delete.rowcount
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result.add_deleted_items("recipes", deleted_recipes)
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logger.info("Deleted recipes for tenant",
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tenant_id=tenant_id,
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count=deleted_recipes)
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except Exception as e:
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logger.error("Error deleting recipes",
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tenant_id=tenant_id,
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error=str(e))
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result.add_error(f"Recipe 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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