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feat: allow selecting LIFO valuation

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This commit is contained in:
Ankush Menat 2022-01-15 17:42:25 +05:30
parent 9c49d2d3aa
commit 97e18a1cd0
3 changed files with 17 additions and 12 deletions
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4
erpnext/stock/doctype/item/item.json
View File

@ -346,7 +346,7 @@
"fieldname": "valuation_method",
"fieldtype": "Select",
"label": "Valuation Method",
"options": "\nFIFO\nMoving Average"
"options": "\nFIFO\nMoving Average\nLIFO"
},
{
"depends_on": "is_stock_item",
@ -987,4 +987,4 @@
"states": [],
"title_field": "item_name",
"track_changes": 1
}
}

5
erpnext/stock/doctype/stock_settings/stock_settings.json
View File

@ -92,7 +92,7 @@
"fieldname": "valuation_method",
"fieldtype": "Select",
"label": "Default Valuation Method",
"options": "FIFO\nMoving Average"
"options": "FIFO\nMoving Average\nLIFO"
},
{
"description": "The percentage you are allowed to receive or deliver more against the quantity ordered. For example, if you have ordered 100 units, and your Allowance is 10%, then you are allowed to receive 110 units.",
@ -305,7 +305,7 @@
"index_web_pages_for_search": 1,
"issingle": 1,
"links": [],
"modified": "2021-11-06 19:40:02.183592",
"modified": "2022-01-15 17:42:53.174865",
"modified_by": "Administrator",
"module": "Stock",
"name": "Stock Settings",
@ -324,5 +324,6 @@
"quick_entry": 1,
"sort_field": "modified",
"sort_order": "ASC",
"states": [],
"track_changes": 1
}

20
erpnext/stock/stock_ledger.py
View File

@ -16,7 +16,7 @@ from erpnext.stock.utils import (
get_or_make_bin,
get_valuation_method,
)
from erpnext.stock.valuation import FIFOValuation
from erpnext.stock.valuation import FIFOValuation, LIFOValuation
class NegativeStockError(frappe.ValidationError): pass
@ -461,7 +461,7 @@ class update_entries_after(object):
self.wh_data.qty_after_transaction += flt(sle.actual_qty)
self.wh_data.stock_value = flt(self.wh_data.qty_after_transaction) * flt(self.wh_data.valuation_rate)
else:
self.update_fifo_values(sle)
self.update_fifo_lifo_values(sle)
self.wh_data.qty_after_transaction += flt(sle.actual_qty)
# rounding as per precision
@ -701,14 +701,18 @@ class update_entries_after(object):
sle.voucher_type, sle.voucher_no, self.allow_zero_rate,
currency=erpnext.get_company_currency(sle.company), company=sle.company)
def update_fifo_values(self, sle):
def update_fifo_lifo_values(self, sle):
incoming_rate = flt(sle.incoming_rate)
actual_qty = flt(sle.actual_qty)
outgoing_rate = flt(sle.outgoing_rate)
fifo_queue = FIFOValuation(self.wh_data.stock_queue)
if self.valuation_method == "LIFO":
stock_queue = LIFOValuation(self.wh_data.stock_queue)
else:
stock_queue = FIFOValuation(self.wh_data.stock_queue)
if actual_qty > 0:
fifo_queue.add_stock(qty=actual_qty, rate=incoming_rate)
stock_queue.add_stock(qty=actual_qty, rate=incoming_rate)
else:
def rate_generator() -> float:
allow_zero_valuation_rate = self.check_if_allow_zero_valuation_rate(sle.voucher_type, sle.voucher_detail_no)
@ -719,11 +723,11 @@ class update_entries_after(object):
else:
return 0.0
fifo_queue.remove_stock(qty=abs(actual_qty), outgoing_rate=outgoing_rate, rate_generator=rate_generator)
stock_queue.remove_stock(qty=abs(actual_qty), outgoing_rate=outgoing_rate, rate_generator=rate_generator)
stock_qty, stock_value = fifo_queue.get_total_stock_and_value()
stock_qty, stock_value = stock_queue.get_total_stock_and_value()
self.wh_data.stock_queue = fifo_queue.state
self.wh_data.stock_queue = stock_queue.state
self.wh_data.stock_value = stock_value
if stock_qty:
self.wh_data.valuation_rate = stock_value / stock_qty