386 lines
12 KiB
Python
386 lines
12 KiB
Python
from typing import Union, TypedDict
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from sqlalchemy import select, func, and_, cast, String, case, or_
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from sqlalchemy.ext.asyncio import AsyncSession
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from sqlalchemy.orm import joinedload
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from database.sipro import *
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from database.sipro.enums.product import ProductRelationType
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from database.sipro.models.warehouses import MarketplaceProductFboWarehouseStock
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class StockData(TypedDict):
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full_stock: int
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article: Union[str, int]
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marketplace_product: MarketplaceProduct
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product_id: int
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def get_marketplace_suppliers_and_company_warehouses(marketplace: Marketplace):
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company = marketplace.company
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suppliers = set()
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company_warehouses = set()
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for warehouse in marketplace.warehouses:
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for supplier in warehouse.suppliers:
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if supplier.is_pseudo:
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continue
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suppliers.add(supplier)
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company_warehouses.update(warehouse.company_warehouses)
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if marketplace.sell_warehouse_products:
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company_warehouse = company.warehouse
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if company_warehouse and not company.is_denco:
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company_warehouses.add(company_warehouse)
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return list(suppliers), list(company_warehouses)
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async def get_stocks_data(
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session: AsyncSession,
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marketplace: Marketplace,
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product_ids: Union[list[int], None] = None,
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reset: bool = False
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) -> List[StockData]:
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if not product_ids:
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product_ids = []
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company = marketplace.company
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suppliers, company_warehouses = get_marketplace_suppliers_and_company_warehouses(marketplace)
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supplier_ids = [supplier.id for supplier in suppliers]
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company_warehouse_ids = [warehouse.id for warehouse in company_warehouses]
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fbo_warehouse_ids = [fbo_warehouse.id for fbo_warehouse in marketplace.fbo_warehouses]
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sell_mixes: bool = marketplace.sell_mixes
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sell_blocks: bool = marketplace.sell_blocks
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sell_warehouse_products: bool = marketplace.sell_warehouse_products
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sell_from_price: int = marketplace.sell_from_price
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prefer_fbo_over_fbs: bool = marketplace.prefer_fbo_over_fbs
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is_paused = marketplace.is_paused
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supplier_stock_subquery = (
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select(
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func.greatest(
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func.sum(SupplierProduct.supplier_stock - SupplierProduct.sold_today),
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0
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)
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.label('supplier_stock'),
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SupplierProduct.product_id.label('product_id')
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)
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.select_from(
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SupplierProduct
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)
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.where(
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SupplierProduct.supplier_id.in_(supplier_ids),
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SupplierProduct.is_deleted == False
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)
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.group_by(
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SupplierProduct.product_id
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)
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.subquery()
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)
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warehouse_stock_subquery = (
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select(
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func.count(CompanyWarehouseProduct.is_sold).label('warehouse_stock'),
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CompanyWarehouseProduct.product_id.label('product_id')
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)
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.select_from(
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CompanyWarehouseProduct
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)
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.where(
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CompanyWarehouseProduct.is_sold == False,
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CompanyWarehouseProduct.company_warehouse_id.in_(company_warehouse_ids)
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)
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.group_by(
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CompanyWarehouseProduct.product_id
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)
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.subquery()
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)
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mix_stock_first_subquery = (
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select(
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func.sum(func.greatest(SupplierProduct.supplier_stock - SupplierProduct.sold_today, 0))
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.label(
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'master_stock'),
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SupplierProduct.product_id.label('product_id')
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)
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.select_from(
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SupplierProduct
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)
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.where(
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SupplierProduct.supplier_id.in_(supplier_ids),
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SupplierProduct.is_deleted == False
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)
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.group_by(
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SupplierProduct.product_id
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)
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.subquery()
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)
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mix_stock_full_subquery = (
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select(
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func.min(SupplierProduct.in_block).label('mix_stock'),
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Product.id.label('product_id')
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)
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.select_from(
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Product
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)
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.join(
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SupplierProduct
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)
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.join(
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ProductRelation,
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Product.id == ProductRelation.slave_product_id
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)
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.join(
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mix_stock_first_subquery,
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mix_stock_first_subquery.c.product_id == ProductRelation.master_product_id
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)
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.where(
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ProductRelation.relation_type == ProductRelationType.MAIN_PRODUCT,
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mix_stock_first_subquery.c.master_stock > 0
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)
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.group_by(
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Product.id
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)
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.subquery()
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)
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is_master_first_subquery = (
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select(
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ProductRelation.master_product_id,
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(func.count(ProductRelation.master_product_id) > 0).label('is_master')
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)
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.where(
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ProductRelation.relation_type == ProductRelationType.MAIN_PRODUCT
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)
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.group_by(
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ProductRelation.master_product_id
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)
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.subquery()
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)
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is_master_subquery = (
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select(
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Product.id.label('product_id'),
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func.coalesce(is_master_first_subquery.c.is_master, False).label('is_master')
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)
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.select_from(
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Product
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)
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.outerjoin(
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is_master_first_subquery,
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Product.id == is_master_first_subquery.c.master_product_id
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)
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.subquery()
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)
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in_block_subquery = (
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select(
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SupplierProduct.product_id.label('product_id'),
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func.min(SupplierProduct.in_block).label('in_block_value')
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)
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.where(
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SupplierProduct.supplier_id.in_(supplier_ids),
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(SupplierProduct.supplier_stock - SupplierProduct.sold_today) > 0,
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SupplierProduct.is_deleted == False
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)
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.group_by(
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SupplierProduct.product_id
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)
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.subquery()
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)
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slaves_stock_first_subquery = (
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select(
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ProductRelation.master_product_id.label('product_id'),
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func.sum(func.greatest(SupplierProduct.supplier_stock - SupplierProduct.sold_today)).label('slaves_stock')
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)
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.select_from(
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ProductRelation
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)
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.join(
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SupplierProduct,
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and_(
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ProductRelation.slave_product_id == SupplierProduct.product_id,
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ProductRelation.relation_type == ProductRelationType.SAME_MIX
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)
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)
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.where(
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SupplierProduct.supplier_id.in_(
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supplier_ids
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),
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SupplierProduct.is_deleted == False
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)
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.group_by(
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ProductRelation.master_product_id
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)
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.subquery()
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)
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slaves_stock_subquery = (
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select(
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Product.id.label('product_id'),
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slaves_stock_first_subquery.c.slaves_stock.label('slaves_stock')
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)
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.select_from(
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Product
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)
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.join(
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slaves_stock_first_subquery,
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slaves_stock_first_subquery.c.product_id == Product.id
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)
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.subquery()
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)
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fbo_stock_subquery = (
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select(
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MarketplaceProductFboWarehouseStock.marketplace_product_id.label('marketplace_product_id'),
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func.sum(MarketplaceProductFboWarehouseStock.quantity).label('quantity')
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)
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.select_from(
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MarketplaceProductFboWarehouseStock
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)
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.join(
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MarketplaceProduct
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)
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.where(
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MarketplaceProduct.marketplace_id == marketplace.id,
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MarketplaceProductFboWarehouseStock.warehouse_id.in_(fbo_warehouse_ids),
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MarketplaceProductFboWarehouseStock.quantity > 0
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)
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.group_by(
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MarketplaceProductFboWarehouseStock.marketplace_product_id
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)
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.subquery()
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)
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stmt = (
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select(
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MarketplaceProduct,
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func.coalesce(Product.article, cast(Product.denco_article, String)).label('denco_article'),
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func.coalesce(MarketplaceProduct.mp_price_bought, 0).label('price_purchase'),
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func.coalesce(supplier_stock_subquery.c.supplier_stock, 0).label('supplier_stock'),
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case(
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(
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sell_warehouse_products,
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func.coalesce(warehouse_stock_subquery.c.warehouse_stock, 0)
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),
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else_=0)
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.label('warehouse_stock'),
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mix_stock_full_subquery.c.mix_stock.label('mix_stock'),
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func.coalesce(in_block_subquery.c.in_block_value, 1).label('in_block_value'),
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is_master_subquery.c.is_master.label('is_master'),
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func.coalesce(slaves_stock_subquery.c.slaves_stock, 0).label('slaves_stock'),
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MarketplaceProduct.price_recommended.label('price_recommended'),
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MarketplaceProduct.is_archived.label('is_archived'),
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func.coalesce(fbo_stock_subquery.c.quantity, 0).label('fbo_stock')
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)
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.select_from(
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MarketplaceProduct
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)
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.join(
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Product
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)
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.options(
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joinedload(MarketplaceProduct.product)
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)
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.where(
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MarketplaceProduct.marketplace_id == marketplace.id,
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or_(
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len(product_ids) == 0,
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MarketplaceProduct.product_id.in_(product_ids)
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)
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)
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.outerjoin(
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supplier_stock_subquery,
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supplier_stock_subquery.c.product_id == MarketplaceProduct.product_id
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)
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.outerjoin(
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warehouse_stock_subquery,
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warehouse_stock_subquery.c.product_id == MarketplaceProduct.product_id
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)
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.outerjoin(
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mix_stock_full_subquery,
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mix_stock_full_subquery.c.product_id == MarketplaceProduct.product_id
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)
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.outerjoin(
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in_block_subquery,
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in_block_subquery.c.product_id == MarketplaceProduct.product_id
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)
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.outerjoin(
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is_master_subquery,
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is_master_subquery.c.product_id == MarketplaceProduct.product_id
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)
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.outerjoin(
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slaves_stock_subquery,
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slaves_stock_subquery.c.product_id == MarketplaceProduct.product_id
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)
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.outerjoin(
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fbo_stock_subquery,
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fbo_stock_subquery.c.marketplace_product_id == MarketplaceProduct.id
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)
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)
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result = await session.execute(stmt)
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marketplace_products = result.all()
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response: List[StockData] = []
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for (marketplace_product,
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denco_article,
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price_purchase,
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supplier_stock,
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warehouse_stock,
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mix_stock,
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in_block_value,
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is_master,
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slaves_stock,
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price_recommended,
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is_archived,
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fbo_stock
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) in marketplace_products:
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if is_archived or (sell_from_price > price_recommended) or is_paused or reset:
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response.append({
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'article': denco_article,
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'full_stock': 0,
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'marketplace_product': marketplace_product,
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'product_id': marketplace_product.product_id
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})
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continue
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if fbo_stock > 0 and prefer_fbo_over_fbs:
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response.append({
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'article': denco_article,
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'full_stock': 0,
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'marketplace_product': marketplace_product,
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'product_id': marketplace_product.product_id
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})
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continue
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is_mix = mix_stock is not None
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if not mix_stock:
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mix_stock = 0
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if all([is_mix, slaves_stock > 0]):
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mix_stock = 0
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balance_limit = price_purchase > company.balance
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if balance_limit:
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supplier_stock = 0
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full_stock = supplier_stock + warehouse_stock
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if all([not is_mix, not sell_blocks, in_block_value > 1]):
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full_stock = warehouse_stock
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if sell_mixes and (not balance_limit):
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full_stock += mix_stock
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if (not sell_mixes) and is_master:
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full_stock = warehouse_stock
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if (not sell_mixes) and is_mix:
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full_stock = warehouse_stock
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if 45 > company.balance:
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full_stock = 0
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full_stock = max([0, full_stock])
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response.append({
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'article': denco_article,
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'full_stock': full_stock,
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'marketplace_product': marketplace_product,
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'product_id': marketplace_product.product_id
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})
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return response
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