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138 lines
5.2 KiB
138 lines
5.2 KiB
# Copyright (c) 2015, Frappe Technologies Pvt. Ltd. and Contributors
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# License: GNU General Public License v3. See license.txt
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from __future__ import unicode_literals
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import frappe
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from frappe.utils import cint, flt, fmt_money, getdate, nowdate
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from erpnext.accounts.doctype.pricing_rule.pricing_rule import get_pricing_rule_for_item
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from erpnext.stock.doctype.batch.batch import get_batch_qty
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def get_qty_in_stock(item_code, item_warehouse_field, warehouse=None):
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in_stock, stock_qty = 0, ''
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template_item_code, is_stock_item = frappe.db.get_value("Item", item_code, ["variant_of", "is_stock_item"])
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if not warehouse:
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warehouse = frappe.db.get_value("Item", item_code, item_warehouse_field)
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if not warehouse and template_item_code and template_item_code != item_code:
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warehouse = frappe.db.get_value("Item", template_item_code, item_warehouse_field)
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if warehouse:
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stock_qty = frappe.db.sql("""
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select GREATEST(S.actual_qty - S.reserved_qty - S.reserved_qty_for_production - S.reserved_qty_for_sub_contract, 0) / IFNULL(C.conversion_factor, 1)
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from tabBin S
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inner join `tabItem` I on S.item_code = I.Item_code
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left join `tabUOM Conversion Detail` C on I.sales_uom = C.uom and C.parent = I.Item_code
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where S.item_code=%s and S.warehouse=%s""", (item_code, warehouse))
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if stock_qty:
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stock_qty = adjust_qty_for_expired_items(item_code, stock_qty, warehouse)
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in_stock = stock_qty[0][0] > 0 and 1 or 0
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return frappe._dict({"in_stock": in_stock, "stock_qty": stock_qty, "is_stock_item": is_stock_item})
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def adjust_qty_for_expired_items(item_code, stock_qty, warehouse):
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batches = frappe.get_all('Batch', filters=[{'item': item_code}], fields=['expiry_date', 'name'])
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expired_batches = get_expired_batches(batches)
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stock_qty = [list(item) for item in stock_qty]
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for batch in expired_batches:
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if warehouse:
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stock_qty[0][0] = max(0, stock_qty[0][0] - get_batch_qty(batch, warehouse))
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else:
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stock_qty[0][0] = max(0, stock_qty[0][0] - qty_from_all_warehouses(get_batch_qty(batch)))
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if not stock_qty[0][0]:
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break
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return stock_qty
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def get_expired_batches(batches):
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"""
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:param batches: A list of dict in the form [{'expiry_date': datetime.date(20XX, 1, 1), 'name': 'batch_id'}, ...]
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"""
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return [b.name for b in batches if b.expiry_date and b.expiry_date <= getdate(nowdate())]
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def qty_from_all_warehouses(batch_info):
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"""
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:param batch_info: A list of dict in the form [{u'warehouse': u'Stores - I', u'qty': 0.8}, ...]
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"""
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qty = 0
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for batch in batch_info:
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qty = qty + batch.qty
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return qty
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def get_price(item_code, price_list, customer_group, company, qty=1):
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template_item_code = frappe.db.get_value("Item", item_code, "variant_of")
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if price_list:
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price = frappe.get_all("Item Price", fields=["price_list_rate", "currency"],
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filters={"price_list": price_list, "item_code": item_code})
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if template_item_code and not price:
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price = frappe.get_all("Item Price", fields=["price_list_rate", "currency"],
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filters={"price_list": price_list, "item_code": template_item_code})
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if price:
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pricing_rule = get_pricing_rule_for_item(frappe._dict({
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"item_code": item_code,
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"qty": qty,
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"stock_qty": qty,
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"transaction_type": "selling",
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"price_list": price_list,
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"customer_group": customer_group,
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"company": company,
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"conversion_rate": 1,
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"for_shopping_cart": True,
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"currency": frappe.db.get_value("Price List", price_list, "currency")
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}))
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if pricing_rule:
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if pricing_rule.pricing_rule_for == "Discount Percentage":
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price[0].price_list_rate = flt(price[0].price_list_rate * (1.0 - (flt(pricing_rule.discount_percentage) / 100.0)))
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if pricing_rule.pricing_rule_for == "Rate":
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price[0].price_list_rate = pricing_rule.price_list_rate
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price_obj = price[0]
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if price_obj:
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price_obj["formatted_price"] = fmt_money(price_obj["price_list_rate"], currency=price_obj["currency"])
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price_obj["currency_symbol"] = not cint(frappe.db.get_default("hide_currency_symbol")) \
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and (frappe.db.get_value("Currency", price_obj.currency, "symbol", cache=True) or price_obj.currency) \
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or ""
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uom_conversion_factor = frappe.db.sql("""select C.conversion_factor
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from `tabUOM Conversion Detail` C
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inner join `tabItem` I on C.parent = I.name and C.uom = I.sales_uom
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where I.name = %s""", item_code)
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uom_conversion_factor = uom_conversion_factor[0][0] if uom_conversion_factor else 1
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price_obj["formatted_price_sales_uom"] = fmt_money(price_obj["price_list_rate"] * uom_conversion_factor, currency=price_obj["currency"])
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if not price_obj["price_list_rate"]:
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price_obj["price_list_rate"] = 0
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if not price_obj["currency"]:
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price_obj["currency"] = ""
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if not price_obj["formatted_price"]:
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price_obj["formatted_price"] = ""
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return price_obj
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def get_non_stock_item_status(item_code, item_warehouse_field):
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#if item belongs to product bundle, check if bundle items are in stock
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if frappe.db.exists("Product Bundle", item_code):
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items = frappe.get_doc("Product Bundle", item_code).get_all_children()
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bundle_warehouse = frappe.db.get_value('Item', item_code, item_warehouse_field)
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return all(get_qty_in_stock(d.item_code, item_warehouse_field, bundle_warehouse).in_stock for d in items)
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else:
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return 1
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