Files
bakery-ia/services/inventory/app/repositories/ingredient_repository.py
2025-08-13 17:39:35 +02:00

239 lines
9.1 KiB
Python

# services/inventory/app/repositories/ingredient_repository.py
"""
Ingredient Repository using Repository Pattern
"""
from typing import List, Optional, Dict, Any
from uuid import UUID
from datetime import datetime
from sqlalchemy import select, func, and_, or_, desc, asc
from sqlalchemy.ext.asyncio import AsyncSession
import structlog
from app.models.inventory import Ingredient, Stock
from app.schemas.inventory import IngredientCreate, IngredientUpdate
from shared.database.repository import BaseRepository
logger = structlog.get_logger()
class IngredientRepository(BaseRepository[Ingredient, IngredientCreate, IngredientUpdate]):
"""Repository for ingredient operations"""
def __init__(self, session: AsyncSession):
super().__init__(Ingredient, session)
async def create_ingredient(self, ingredient_data: IngredientCreate, tenant_id: UUID) -> Ingredient:
"""Create a new ingredient"""
try:
# Prepare data
create_data = ingredient_data.model_dump()
create_data['tenant_id'] = tenant_id
# Create record
record = await self.create(create_data)
logger.info(
"Created ingredient",
ingredient_id=record.id,
name=record.name,
category=record.category.value if record.category else None,
tenant_id=tenant_id
)
return record
except Exception as e:
logger.error("Failed to create ingredient", error=str(e), tenant_id=tenant_id)
raise
async def get_ingredients_by_tenant(
self,
tenant_id: UUID,
skip: int = 0,
limit: int = 100,
filters: Optional[Dict[str, Any]] = None
) -> List[Ingredient]:
"""Get ingredients for a tenant with filtering"""
try:
query_filters = {'tenant_id': tenant_id}
if filters:
if filters.get('category'):
query_filters['category'] = filters['category']
if filters.get('is_active') is not None:
query_filters['is_active'] = filters['is_active']
if filters.get('is_perishable') is not None:
query_filters['is_perishable'] = filters['is_perishable']
ingredients = await self.get_multi(
skip=skip,
limit=limit,
filters=query_filters,
order_by='name'
)
return ingredients
except Exception as e:
logger.error("Failed to get ingredients", error=str(e), tenant_id=tenant_id)
raise
async def search_ingredients(
self,
tenant_id: UUID,
search_term: str,
skip: int = 0,
limit: int = 50
) -> List[Ingredient]:
"""Search ingredients by name, sku, or barcode"""
try:
# Add tenant filter to search
query = select(self.model).where(
and_(
self.model.tenant_id == tenant_id,
or_(
self.model.name.ilike(f"%{search_term}%"),
self.model.sku.ilike(f"%{search_term}%"),
self.model.barcode.ilike(f"%{search_term}%"),
self.model.brand.ilike(f"%{search_term}%")
)
)
).offset(skip).limit(limit)
result = await self.session.execute(query)
return result.scalars().all()
except Exception as e:
logger.error("Failed to search ingredients", error=str(e), tenant_id=tenant_id)
raise
async def get_low_stock_ingredients(self, tenant_id: UUID) -> List[Dict[str, Any]]:
"""Get ingredients with low stock levels"""
try:
# Query ingredients with their current stock levels
query = select(
Ingredient,
func.coalesce(func.sum(Stock.available_quantity), 0).label('current_stock')
).outerjoin(
Stock, and_(
Stock.ingredient_id == Ingredient.id,
Stock.is_available == True
)
).where(
Ingredient.tenant_id == tenant_id
).group_by(Ingredient.id).having(
func.coalesce(func.sum(Stock.available_quantity), 0) <= Ingredient.low_stock_threshold
)
result = await self.session.execute(query)
results = []
for ingredient, current_stock in result:
results.append({
'ingredient': ingredient,
'current_stock': float(current_stock) if current_stock else 0.0,
'threshold': ingredient.low_stock_threshold,
'needs_reorder': current_stock <= ingredient.reorder_point if current_stock else True
})
return results
except Exception as e:
logger.error("Failed to get low stock ingredients", error=str(e), tenant_id=tenant_id)
raise
async def get_ingredients_needing_reorder(self, tenant_id: UUID) -> List[Dict[str, Any]]:
"""Get ingredients that need reordering"""
try:
query = select(
Ingredient,
func.coalesce(func.sum(Stock.available_quantity), 0).label('current_stock')
).outerjoin(
Stock, and_(
Stock.ingredient_id == Ingredient.id,
Stock.is_available == True
)
).where(
and_(
Ingredient.tenant_id == tenant_id,
Ingredient.is_active == True
)
).group_by(Ingredient.id).having(
func.coalesce(func.sum(Stock.available_quantity), 0) <= Ingredient.reorder_point
)
result = await self.session.execute(query)
results = []
for ingredient, current_stock in result:
results.append({
'ingredient': ingredient,
'current_stock': float(current_stock) if current_stock else 0.0,
'reorder_point': ingredient.reorder_point,
'reorder_quantity': ingredient.reorder_quantity
})
return results
except Exception as e:
logger.error("Failed to get ingredients needing reorder", error=str(e), tenant_id=tenant_id)
raise
async def get_by_sku(self, tenant_id: UUID, sku: str) -> Optional[Ingredient]:
"""Get ingredient by SKU"""
try:
result = await self.session.execute(
select(self.model).where(
and_(
self.model.tenant_id == tenant_id,
self.model.sku == sku
)
)
)
return result.scalar_one_or_none()
except Exception as e:
logger.error("Failed to get ingredient by SKU", error=str(e), sku=sku, tenant_id=tenant_id)
raise
async def get_by_barcode(self, tenant_id: UUID, barcode: str) -> Optional[Ingredient]:
"""Get ingredient by barcode"""
try:
result = await self.session.execute(
select(self.model).where(
and_(
self.model.tenant_id == tenant_id,
self.model.barcode == barcode
)
)
)
return result.scalar_one_or_none()
except Exception as e:
logger.error("Failed to get ingredient by barcode", error=str(e), barcode=barcode, tenant_id=tenant_id)
raise
async def update_last_purchase_price(self, ingredient_id: UUID, price: float) -> Optional[Ingredient]:
"""Update the last purchase price for an ingredient"""
try:
update_data = {'last_purchase_price': price}
return await self.update(ingredient_id, update_data)
except Exception as e:
logger.error("Failed to update last purchase price", error=str(e), ingredient_id=ingredient_id)
raise
async def get_ingredients_by_category(self, tenant_id: UUID, category: str) -> List[Ingredient]:
"""Get all ingredients in a specific category"""
try:
result = await self.session.execute(
select(self.model).where(
and_(
self.model.tenant_id == tenant_id,
self.model.category == category,
self.model.is_active == True
)
).order_by(self.model.name)
)
return result.scalars().all()
except Exception as e:
logger.error("Failed to get ingredients by category", error=str(e), category=category, tenant_id=tenant_id)
raise