brotherton-erpnext/erpnext/stock/stock_ledger.py
Nabin Hait d826bee13a
fix: update qty in future sle (#24649)
* fix: update qty in future sle

* fix: validate cancellation due to ongoing reposting

* fix: process sle against current timestamp
2021-02-18 14:14:21 +05:30

858 lines
33 KiB
Python

# Copyright (c) 2015, Frappe Technologies Pvt. Ltd. and Contributors
# License: GNU General Public License v3. See license.txt
from __future__ import unicode_literals
import frappe, erpnext
from frappe import _
from frappe.utils import cint, flt, cstr, now, now_datetime
from frappe.model.meta import get_field_precision
from erpnext.stock.utils import get_valuation_method, get_incoming_outgoing_rate_for_cancel
from erpnext.stock.utils import get_bin
import json
from six import iteritems
# future reposting
class NegativeStockError(frappe.ValidationError): pass
_exceptions = frappe.local('stockledger_exceptions')
# _exceptions = []
def make_sl_entries(sl_entries, allow_negative_stock=False, via_landed_cost_voucher=False):
if sl_entries:
from erpnext.stock.utils import update_bin
cancel = sl_entries[0].get("is_cancelled")
if cancel:
validate_cancellation(sl_entries)
set_as_cancel(sl_entries[0].get('voucher_type'), sl_entries[0].get('voucher_no'))
for sle in sl_entries:
if cancel:
sle['actual_qty'] = -flt(sle.get('actual_qty'))
if sle['actual_qty'] < 0 and not sle.get('outgoing_rate'):
sle['outgoing_rate'] = get_incoming_outgoing_rate_for_cancel(sle.item_code,
sle.voucher_type, sle.voucher_no, sle.voucher_detail_no)
sle['incoming_rate'] = 0.0
if sle['actual_qty'] > 0 and not sle.get('incoming_rate'):
sle['incoming_rate'] = get_incoming_outgoing_rate_for_cancel(sle.item_code,
sle.voucher_type, sle.voucher_no, sle.voucher_detail_no)
sle['outgoing_rate'] = 0.0
if sle.get("actual_qty") or sle.get("voucher_type")=="Stock Reconciliation":
sle_doc = make_entry(sle, allow_negative_stock, via_landed_cost_voucher)
args = sle_doc.as_dict()
update_bin(args, allow_negative_stock, via_landed_cost_voucher)
def validate_cancellation(args):
if args[0].get("is_cancelled"):
repost_entry = frappe.db.get_value("Repost Item Valuation", {
'voucher_type': args[0].voucher_type,
'voucher_no': args[0].voucher_no,
'docstatus': 1
}, ['name', 'status'], as_dict=1)
if repost_entry:
if repost_entry.status == 'In Progress':
frappe.throw(_("Cannot cancel the transaction. Reposting of item valuation on submission is not completed yet."))
if repost_entry.status == 'Queued':
frappe.delete_doc("Repost Item Valuation", repost_entry.name)
def set_as_cancel(voucher_type, voucher_no):
frappe.db.sql("""update `tabStock Ledger Entry` set is_cancelled=1,
modified=%s, modified_by=%s
where voucher_type=%s and voucher_no=%s and is_cancelled = 0""",
(now(), frappe.session.user, voucher_type, voucher_no))
def make_entry(args, allow_negative_stock=False, via_landed_cost_voucher=False):
args.update({"doctype": "Stock Ledger Entry"})
sle = frappe.get_doc(args)
sle.flags.ignore_permissions = 1
sle.allow_negative_stock=allow_negative_stock
sle.via_landed_cost_voucher = via_landed_cost_voucher
sle.insert()
sle.submit()
return sle
def repost_future_sle(args=None, voucher_type=None, voucher_no=None, allow_negative_stock=None, via_landed_cost_voucher=False):
if not args and voucher_type and voucher_no:
args = get_args_for_voucher(voucher_type, voucher_no)
distinct_item_warehouses = [(d.item_code, d.warehouse) for d in args]
i = 0
while i < len(args):
obj = update_entries_after({
"item_code": args[i].item_code,
"warehouse": args[i].warehouse,
"posting_date": args[i].posting_date,
"posting_time": args[i].posting_time,
"creation": args[i].get("creation")
}, allow_negative_stock=allow_negative_stock, via_landed_cost_voucher=via_landed_cost_voucher)
for item_wh, new_sle in iteritems(obj.new_items):
if item_wh not in distinct_item_warehouses:
args.append(new_sle)
i += 1
def get_args_for_voucher(voucher_type, voucher_no):
return frappe.db.get_all("Stock Ledger Entry",
filters={"voucher_type": voucher_type, "voucher_no": voucher_no},
fields=["item_code", "warehouse", "posting_date", "posting_time", "creation"],
order_by="creation asc",
group_by="item_code, warehouse"
)
class update_entries_after(object):
"""
update valution rate and qty after transaction
from the current time-bucket onwards
:param args: args as dict
args = {
"item_code": "ABC",
"warehouse": "XYZ",
"posting_date": "2012-12-12",
"posting_time": "12:00"
}
"""
def __init__(self, args, allow_zero_rate=False, allow_negative_stock=None, via_landed_cost_voucher=False, verbose=1):
self.exceptions = {}
self.verbose = verbose
self.allow_zero_rate = allow_zero_rate
self.via_landed_cost_voucher = via_landed_cost_voucher
self.allow_negative_stock = allow_negative_stock \
or cint(frappe.db.get_single_value("Stock Settings", "allow_negative_stock"))
self.args = frappe._dict(args)
self.item_code = args.get("item_code")
if self.args.sle_id:
self.args['name'] = self.args.sle_id
self.company = frappe.get_cached_value("Warehouse", self.args.warehouse, "company")
self.get_precision()
self.valuation_method = get_valuation_method(self.item_code)
self.new_items = {}
self.data = frappe._dict()
self.initialize_previous_data(self.args)
self.build()
def get_precision(self):
company_base_currency = frappe.get_cached_value('Company', self.company, "default_currency")
self.precision = get_field_precision(frappe.get_meta("Stock Ledger Entry").get_field("stock_value"),
currency=company_base_currency)
def initialize_previous_data(self, args):
"""
Get previous sl entries for current item for each related warehouse
and assigns into self.data dict
:Data Structure:
self.data = {
warehouse1: {
'previus_sle': {},
'qty_after_transaction': 10,
'valuation_rate': 100,
'stock_value': 1000,
'prev_stock_value': 1000,
'stock_queue': '[[10, 100]]',
'stock_value_difference': 1000
}
}
"""
self.data.setdefault(args.warehouse, frappe._dict())
warehouse_dict = self.data[args.warehouse]
previous_sle = self.get_previous_sle_of_current_voucher(args)
warehouse_dict.previous_sle = previous_sle
for key in ("qty_after_transaction", "valuation_rate", "stock_value"):
setattr(warehouse_dict, key, flt(previous_sle.get(key)))
warehouse_dict.update({
"prev_stock_value": previous_sle.stock_value or 0.0,
"stock_queue": json.loads(previous_sle.stock_queue or "[]"),
"stock_value_difference": 0.0
})
def get_previous_sle_of_current_voucher(self, args):
"""get stock ledger entries filtered by specific posting datetime conditions"""
args['time_format'] = '%H:%i:%s'
if not args.get("posting_date"):
args["posting_date"] = "1900-01-01"
if not args.get("posting_time"):
args["posting_time"] = "00:00"
sle = frappe.db.sql("""
select *, timestamp(posting_date, posting_time) as "timestamp"
from `tabStock Ledger Entry`
where item_code = %(item_code)s
and warehouse = %(warehouse)s
and is_cancelled = 0
and timestamp(posting_date, time_format(posting_time, %(time_format)s)) < timestamp(%(posting_date)s, time_format(%(posting_time)s, %(time_format)s))
order by timestamp(posting_date, posting_time) desc, creation desc
limit 1""", args, as_dict=1)
return sle[0] if sle else frappe._dict()
def build(self):
from erpnext.controllers.stock_controller import check_if_future_sle_exists
if self.args.get("sle_id"):
self.process_sle_against_current_timestamp()
if not check_if_future_sle_exists(self.args):
self.update_bin()
else:
entries_to_fix = self.get_future_entries_to_fix()
i = 0
while i < len(entries_to_fix):
sle = entries_to_fix[i]
i += 1
self.process_sle(sle)
if sle.dependant_sle_voucher_detail_no:
entries_to_fix = self.get_dependent_entries_to_fix(entries_to_fix, sle)
self.update_bin()
if self.exceptions:
self.raise_exceptions()
def process_sle_against_current_timestamp(self):
sl_entries = self.get_sle_against_current_voucher()
for sle in sl_entries:
self.process_sle(sle)
def get_sle_against_current_voucher(self):
self.args['time_format'] = '%H:%i:%s'
return frappe.db.sql("""
select
*, timestamp(posting_date, posting_time) as "timestamp"
from
`tabStock Ledger Entry`
where
item_code = %(item_code)s
and warehouse = %(warehouse)s
and timestamp(posting_date, time_format(posting_time, %(time_format)s)) = timestamp(%(posting_date)s, time_format(%(posting_time)s, %(time_format)s))
order by
creation ASC
for update
""", self.args, as_dict=1)
def get_future_entries_to_fix(self):
# includes current entry!
args = self.data[self.args.warehouse].previous_sle \
or frappe._dict({"item_code": self.item_code, "warehouse": self.args.warehouse})
return list(self.get_sle_after_datetime(args))
def get_dependent_entries_to_fix(self, entries_to_fix, sle):
dependant_sle = get_sle_by_voucher_detail_no(sle.dependant_sle_voucher_detail_no,
excluded_sle=sle.name)
if not dependant_sle:
return entries_to_fix
elif dependant_sle.item_code == self.item_code and dependant_sle.warehouse == self.args.warehouse:
return entries_to_fix
elif dependant_sle.item_code != self.item_code:
if (dependant_sle.item_code, dependant_sle.warehouse) not in self.new_items:
self.new_items[(dependant_sle.item_code, dependant_sle.warehouse)] = dependant_sle
return entries_to_fix
elif dependant_sle.item_code == self.item_code and dependant_sle.warehouse in self.data:
return entries_to_fix
self.initialize_previous_data(dependant_sle)
args = self.data[dependant_sle.warehouse].previous_sle \
or frappe._dict({"item_code": self.item_code, "warehouse": dependant_sle.warehouse})
future_sle_for_dependant = list(self.get_sle_after_datetime(args))
entries_to_fix.extend(future_sle_for_dependant)
return sorted(entries_to_fix, key=lambda k: k['timestamp'])
def process_sle(self, sle):
# previous sle data for this warehouse
self.wh_data = self.data[sle.warehouse]
if (sle.serial_no and not self.via_landed_cost_voucher) or not cint(self.allow_negative_stock):
# validate negative stock for serialized items, fifo valuation
# or when negative stock is not allowed for moving average
if not self.validate_negative_stock(sle):
self.wh_data.qty_after_transaction += flt(sle.actual_qty)
return
# Get dynamic incoming/outgoing rate
self.get_dynamic_incoming_outgoing_rate(sle)
if sle.serial_no:
self.get_serialized_values(sle)
self.wh_data.qty_after_transaction += flt(sle.actual_qty)
if sle.voucher_type == "Stock Reconciliation":
self.wh_data.qty_after_transaction = sle.qty_after_transaction
self.wh_data.stock_value = flt(self.wh_data.qty_after_transaction) * flt(self.wh_data.valuation_rate)
else:
if sle.voucher_type=="Stock Reconciliation" and not sle.batch_no:
# assert
self.wh_data.valuation_rate = sle.valuation_rate
self.wh_data.qty_after_transaction = sle.qty_after_transaction
self.wh_data.stock_queue = [[self.wh_data.qty_after_transaction, self.wh_data.valuation_rate]]
self.wh_data.stock_value = flt(self.wh_data.qty_after_transaction) * flt(self.wh_data.valuation_rate)
else:
if self.valuation_method == "Moving Average":
self.get_moving_average_values(sle)
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.get_fifo_values(sle)
self.wh_data.qty_after_transaction += flt(sle.actual_qty)
self.wh_data.stock_value = sum((flt(batch[0]) * flt(batch[1]) for batch in self.wh_data.stock_queue))
# rounding as per precision
self.wh_data.stock_value = flt(self.wh_data.stock_value, self.precision)
stock_value_difference = self.wh_data.stock_value - self.wh_data.prev_stock_value
self.wh_data.prev_stock_value = self.wh_data.stock_value
# update current sle
sle.qty_after_transaction = self.wh_data.qty_after_transaction
sle.valuation_rate = self.wh_data.valuation_rate
sle.stock_value = self.wh_data.stock_value
sle.stock_queue = json.dumps(self.wh_data.stock_queue)
sle.stock_value_difference = stock_value_difference
sle.doctype="Stock Ledger Entry"
frappe.get_doc(sle).db_update()
self.update_outgoing_rate_on_transaction(sle)
def validate_negative_stock(self, sle):
"""
validate negative stock for entries current datetime onwards
will not consider cancelled entries
"""
diff = self.wh_data.qty_after_transaction + flt(sle.actual_qty)
if diff < 0 and abs(diff) > 0.0001:
# negative stock!
exc = sle.copy().update({"diff": diff})
self.exceptions.setdefault(sle.warehouse, []).append(exc)
return False
else:
return True
def get_dynamic_incoming_outgoing_rate(self, sle):
# Get updated incoming/outgoing rate from transaction
if sle.recalculate_rate:
rate = self.get_incoming_outgoing_rate_from_transaction(sle)
if flt(sle.actual_qty) >= 0:
sle.incoming_rate = rate
else:
sle.outgoing_rate = rate
def get_incoming_outgoing_rate_from_transaction(self, sle):
rate = 0
# Material Transfer, Repack, Manufacturing
if sle.voucher_type == "Stock Entry":
rate = frappe.db.get_value("Stock Entry Detail", sle.voucher_detail_no, "valuation_rate")
# Sales and Purchase Return
elif sle.voucher_type in ("Purchase Receipt", "Purchase Invoice", "Delivery Note", "Sales Invoice"):
if frappe.get_cached_value(sle.voucher_type, sle.voucher_no, "is_return"):
from erpnext.controllers.sales_and_purchase_return import get_rate_for_return # don't move this import to top
rate = get_rate_for_return(sle.voucher_type, sle.voucher_no, sle.item_code, voucher_detail_no=sle.voucher_detail_no)
else:
if sle.voucher_type in ("Purchase Receipt", "Purchase Invoice"):
rate_field = "valuation_rate"
else:
rate_field = "incoming_rate"
# check in item table
item_code, incoming_rate = frappe.db.get_value(sle.voucher_type + " Item",
sle.voucher_detail_no, ["item_code", rate_field])
if item_code == sle.item_code:
rate = incoming_rate
else:
if sle.voucher_type in ("Delivery Note", "Sales Invoice"):
ref_doctype = "Packed Item"
else:
ref_doctype = "Purchase Receipt Item Supplied"
rate = frappe.db.get_value(ref_doctype, {"parent_detail_docname": sle.voucher_detail_no,
"item_code": sle.item_code}, rate_field)
return rate
def update_outgoing_rate_on_transaction(self, sle):
"""
Update outgoing rate in Stock Entry, Delivery Note, Sales Invoice and Sales Return
In case of Stock Entry, also calculate FG Item rate and total incoming/outgoing amount
"""
if sle.actual_qty and sle.voucher_detail_no:
outgoing_rate = abs(flt(sle.stock_value_difference)) / abs(sle.actual_qty)
if flt(sle.actual_qty) < 0 and sle.voucher_type == "Stock Entry":
self.update_rate_on_stock_entry(sle, outgoing_rate)
elif sle.voucher_type in ("Delivery Note", "Sales Invoice"):
self.update_rate_on_delivery_and_sales_return(sle, outgoing_rate)
elif flt(sle.actual_qty) < 0 and sle.voucher_type in ("Purchase Receipt", "Purchase Invoice"):
self.update_rate_on_purchase_receipt(sle, outgoing_rate)
def update_rate_on_stock_entry(self, sle, outgoing_rate):
frappe.db.set_value("Stock Entry Detail", sle.voucher_detail_no, "basic_rate", outgoing_rate)
# Update outgoing item's rate, recalculate FG Item's rate and total incoming/outgoing amount
stock_entry = frappe.get_doc("Stock Entry", sle.voucher_no)
stock_entry.calculate_rate_and_amount(reset_outgoing_rate=False, raise_error_if_no_rate=False)
stock_entry.db_update()
for d in stock_entry.items:
d.db_update()
def update_rate_on_delivery_and_sales_return(self, sle, outgoing_rate):
# Update item's incoming rate on transaction
item_code = frappe.db.get_value(sle.voucher_type + " Item", sle.voucher_detail_no, "item_code")
if item_code == sle.item_code:
frappe.db.set_value(sle.voucher_type + " Item", sle.voucher_detail_no, "incoming_rate", outgoing_rate)
else:
# packed item
frappe.db.set_value("Packed Item",
{"parent_detail_docname": sle.voucher_detail_no, "item_code": sle.item_code},
"incoming_rate", outgoing_rate)
def update_rate_on_purchase_receipt(self, sle, outgoing_rate):
if frappe.db.exists(sle.voucher_type + " Item", sle.voucher_detail_no):
frappe.db.set_value(sle.voucher_type + " Item", sle.voucher_detail_no, "base_net_rate", outgoing_rate)
else:
frappe.db.set_value("Purchase Receipt Item Supplied", sle.voucher_detail_no, "rate", outgoing_rate)
# Recalculate subcontracted item's rate in case of subcontracted purchase receipt/invoice
if frappe.db.get_value(sle.voucher_type, sle.voucher_no, "is_subcontracted"):
doc = frappe.get_cached_doc(sle.voucher_type, sle.voucher_no)
doc.update_valuation_rate(reset_outgoing_rate=False)
for d in (doc.items + doc.supplied_items):
d.db_update()
def get_serialized_values(self, sle):
incoming_rate = flt(sle.incoming_rate)
actual_qty = flt(sle.actual_qty)
serial_nos = cstr(sle.serial_no).split("\n")
if incoming_rate < 0:
# wrong incoming rate
incoming_rate = self.wh_data.valuation_rate
stock_value_change = 0
if incoming_rate:
stock_value_change = actual_qty * incoming_rate
elif actual_qty < 0:
# In case of delivery/stock issue, get average purchase rate
# of serial nos of current entry
if not sle.is_cancelled:
outgoing_value = self.get_incoming_value_for_serial_nos(sle, serial_nos)
stock_value_change = -1 * outgoing_value
else:
stock_value_change = actual_qty * sle.outgoing_rate
new_stock_qty = self.wh_data.qty_after_transaction + actual_qty
if new_stock_qty > 0:
new_stock_value = (self.wh_data.qty_after_transaction * self.wh_data.valuation_rate) + stock_value_change
if new_stock_value >= 0:
# calculate new valuation rate only if stock value is positive
# else it remains the same as that of previous entry
self.wh_data.valuation_rate = new_stock_value / new_stock_qty
if not self.wh_data.valuation_rate and sle.voucher_detail_no:
allow_zero_rate = self.check_if_allow_zero_valuation_rate(sle.voucher_type, sle.voucher_detail_no)
if not allow_zero_rate:
self.wh_data.valuation_rate = get_valuation_rate(sle.item_code, sle.warehouse,
sle.voucher_type, sle.voucher_no, self.allow_zero_rate,
currency=erpnext.get_company_currency(sle.company))
def get_incoming_value_for_serial_nos(self, sle, serial_nos):
# get rate from serial nos within same company
all_serial_nos = frappe.get_all("Serial No",
fields=["purchase_rate", "name", "company"],
filters = {'name': ('in', serial_nos)})
incoming_values = sum([flt(d.purchase_rate) for d in all_serial_nos if d.company==sle.company])
# Get rate for serial nos which has been transferred to other company
invalid_serial_nos = [d.name for d in all_serial_nos if d.company!=sle.company]
for serial_no in invalid_serial_nos:
incoming_rate = frappe.db.sql("""
select incoming_rate
from `tabStock Ledger Entry`
where
company = %s
and actual_qty > 0
and (serial_no = %s
or serial_no like %s
or serial_no like %s
or serial_no like %s
)
order by posting_date desc
limit 1
""", (sle.company, serial_no, serial_no+'\n%', '%\n'+serial_no, '%\n'+serial_no+'\n%'))
incoming_values += flt(incoming_rate[0][0]) if incoming_rate else 0
return incoming_values
def get_moving_average_values(self, sle):
actual_qty = flt(sle.actual_qty)
new_stock_qty = flt(self.wh_data.qty_after_transaction) + actual_qty
if new_stock_qty >= 0:
if actual_qty > 0:
if flt(self.wh_data.qty_after_transaction) <= 0:
self.wh_data.valuation_rate = sle.incoming_rate
else:
new_stock_value = (self.wh_data.qty_after_transaction * self.wh_data.valuation_rate) + \
(actual_qty * sle.incoming_rate)
self.wh_data.valuation_rate = new_stock_value / new_stock_qty
elif sle.outgoing_rate:
if new_stock_qty:
new_stock_value = (self.wh_data.qty_after_transaction * self.wh_data.valuation_rate) + \
(actual_qty * sle.outgoing_rate)
self.wh_data.valuation_rate = new_stock_value / new_stock_qty
else:
self.wh_data.valuation_rate = sle.outgoing_rate
else:
if flt(self.wh_data.qty_after_transaction) >= 0 and sle.outgoing_rate:
self.wh_data.valuation_rate = sle.outgoing_rate
if not self.wh_data.valuation_rate and actual_qty > 0:
self.wh_data.valuation_rate = sle.incoming_rate
# Get valuation rate from previous SLE or Item master, if item does not have the
# allow zero valuration rate flag set
if not self.wh_data.valuation_rate and sle.voucher_detail_no:
allow_zero_valuation_rate = self.check_if_allow_zero_valuation_rate(sle.voucher_type, sle.voucher_detail_no)
if not allow_zero_valuation_rate:
self.wh_data.valuation_rate = get_valuation_rate(sle.item_code, sle.warehouse,
sle.voucher_type, sle.voucher_no, self.allow_zero_rate,
currency=erpnext.get_company_currency(sle.company))
def get_fifo_values(self, sle):
incoming_rate = flt(sle.incoming_rate)
actual_qty = flt(sle.actual_qty)
outgoing_rate = flt(sle.outgoing_rate)
if actual_qty > 0:
if not self.wh_data.stock_queue:
self.wh_data.stock_queue.append([0, 0])
# last row has the same rate, just updated the qty
if self.wh_data.stock_queue[-1][1]==incoming_rate:
self.wh_data.stock_queue[-1][0] += actual_qty
else:
if self.wh_data.stock_queue[-1][0] > 0:
self.wh_data.stock_queue.append([actual_qty, incoming_rate])
else:
qty = self.wh_data.stock_queue[-1][0] + actual_qty
self.wh_data.stock_queue[-1] = [qty, incoming_rate]
else:
qty_to_pop = abs(actual_qty)
while qty_to_pop:
if not self.wh_data.stock_queue:
# Get valuation rate from last sle if exists or from valuation rate field in item master
allow_zero_valuation_rate = self.check_if_allow_zero_valuation_rate(sle.voucher_type, sle.voucher_detail_no)
if not allow_zero_valuation_rate:
_rate = get_valuation_rate(sle.item_code, sle.warehouse,
sle.voucher_type, sle.voucher_no, self.allow_zero_rate,
currency=erpnext.get_company_currency(sle.company))
else:
_rate = 0
self.wh_data.stock_queue.append([0, _rate])
index = None
if outgoing_rate > 0:
# Find the entry where rate matched with outgoing rate
for i, v in enumerate(self.wh_data.stock_queue):
if v[1] == outgoing_rate:
index = i
break
# If no entry found with outgoing rate, collapse stack
if index == None:
new_stock_value = sum((d[0]*d[1] for d in self.wh_data.stock_queue)) - qty_to_pop*outgoing_rate
new_stock_qty = sum((d[0] for d in self.wh_data.stock_queue)) - qty_to_pop
self.wh_data.stock_queue = [[new_stock_qty, new_stock_value/new_stock_qty if new_stock_qty > 0 else outgoing_rate]]
break
else:
index = 0
# select first batch or the batch with same rate
batch = self.wh_data.stock_queue[index]
if qty_to_pop >= batch[0]:
# consume current batch
qty_to_pop = qty_to_pop - batch[0]
self.wh_data.stock_queue.pop(index)
if not self.wh_data.stock_queue and qty_to_pop:
# stock finished, qty still remains to be withdrawn
# negative stock, keep in as a negative batch
self.wh_data.stock_queue.append([-qty_to_pop, outgoing_rate or batch[1]])
break
else:
# qty found in current batch
# consume it and exit
batch[0] = batch[0] - qty_to_pop
qty_to_pop = 0
stock_value = sum((flt(batch[0]) * flt(batch[1]) for batch in self.wh_data.stock_queue))
stock_qty = sum((flt(batch[0]) for batch in self.wh_data.stock_queue))
if stock_qty:
self.wh_data.valuation_rate = stock_value / flt(stock_qty)
if not self.wh_data.stock_queue:
self.wh_data.stock_queue.append([0, sle.incoming_rate or sle.outgoing_rate or self.wh_data.valuation_rate])
def check_if_allow_zero_valuation_rate(self, voucher_type, voucher_detail_no):
ref_item_dt = ""
if voucher_type == "Stock Entry":
ref_item_dt = voucher_type + " Detail"
elif voucher_type in ["Purchase Invoice", "Sales Invoice", "Delivery Note", "Purchase Receipt"]:
ref_item_dt = voucher_type + " Item"
if ref_item_dt:
return frappe.db.get_value(ref_item_dt, voucher_detail_no, "allow_zero_valuation_rate")
else:
return 0
def get_sle_before_datetime(self, args):
"""get previous stock ledger entry before current time-bucket"""
sle = get_stock_ledger_entries(args, "<", "desc", "limit 1", for_update=False)
sle = sle[0] if sle else frappe._dict()
return sle
def get_sle_after_datetime(self, args):
"""get Stock Ledger Entries after a particular datetime, for reposting"""
return get_stock_ledger_entries(args, ">", "asc", for_update=True, check_serial_no=False)
def raise_exceptions(self):
msg_list = []
for warehouse, exceptions in iteritems(self.exceptions):
deficiency = min(e["diff"] for e in exceptions)
if ((exceptions[0]["voucher_type"], exceptions[0]["voucher_no"]) in
frappe.local.flags.currently_saving):
msg = _("{0} units of {1} needed in {2} to complete this transaction.").format(
abs(deficiency), frappe.get_desk_link('Item', exceptions[0]["item_code"]),
frappe.get_desk_link('Warehouse', warehouse))
else:
msg = _("{0} units of {1} needed in {2} on {3} {4} for {5} to complete this transaction.").format(
abs(deficiency), frappe.get_desk_link('Item', exceptions[0]["item_code"]),
frappe.get_desk_link('Warehouse', warehouse),
exceptions[0]["posting_date"], exceptions[0]["posting_time"],
frappe.get_desk_link(exceptions[0]["voucher_type"], exceptions[0]["voucher_no"]))
if msg:
msg_list.append(msg)
if msg_list:
message = "\n\n".join(msg_list)
if self.verbose:
frappe.throw(message, NegativeStockError, title='Insufficient Stock')
else:
raise NegativeStockError(message)
def update_bin(self):
# update bin for each warehouse
for warehouse, data in iteritems(self.data):
bin_doc = get_bin(self.item_code, warehouse)
bin_doc.update({
"valuation_rate": data.valuation_rate,
"actual_qty": data.qty_after_transaction,
"stock_value": data.stock_value
})
bin_doc.flags.via_stock_ledger_entry = True
bin_doc.save(ignore_permissions=True)
def get_previous_sle(args, for_update=False):
"""
get the last sle on or before the current time-bucket,
to get actual qty before transaction, this function
is called from various transaction like stock entry, reco etc
args = {
"item_code": "ABC",
"warehouse": "XYZ",
"posting_date": "2012-12-12",
"posting_time": "12:00",
"sle": "name of reference Stock Ledger Entry"
}
"""
args["name"] = args.get("sle", None) or ""
sle = get_stock_ledger_entries(args, "<=", "desc", "limit 1", for_update=for_update)
return sle and sle[0] or {}
def get_stock_ledger_entries(previous_sle, operator=None,
order="desc", limit=None, for_update=False, debug=False, check_serial_no=True):
"""get stock ledger entries filtered by specific posting datetime conditions"""
conditions = " and timestamp(posting_date, posting_time) {0} timestamp(%(posting_date)s, %(posting_time)s)".format(operator)
if previous_sle.get("warehouse"):
conditions += " and warehouse = %(warehouse)s"
elif previous_sle.get("warehouse_condition"):
conditions += " and " + previous_sle.get("warehouse_condition")
if check_serial_no and previous_sle.get("serial_no"):
conditions += " and serial_no like {}".format(frappe.db.escape('%{0}%'.format(previous_sle.get("serial_no"))))
if not previous_sle.get("posting_date"):
previous_sle["posting_date"] = "1900-01-01"
if not previous_sle.get("posting_time"):
previous_sle["posting_time"] = "00:00"
if operator in (">", "<=") and previous_sle.get("name"):
conditions += " and name!=%(name)s"
return frappe.db.sql("""
select *, timestamp(posting_date, posting_time) as "timestamp"
from `tabStock Ledger Entry`
where item_code = %%(item_code)s
and is_cancelled = 0
%(conditions)s
order by timestamp(posting_date, posting_time) %(order)s, creation %(order)s
%(limit)s %(for_update)s""" % {
"conditions": conditions,
"limit": limit or "",
"for_update": for_update and "for update" or "",
"order": order
}, previous_sle, as_dict=1, debug=debug)
def get_sle_by_voucher_detail_no(voucher_detail_no, excluded_sle=None):
return frappe.db.get_value('Stock Ledger Entry',
{'voucher_detail_no': voucher_detail_no, 'name': ['!=', excluded_sle]},
['item_code', 'warehouse', 'posting_date', 'posting_time', 'timestamp(posting_date, posting_time) as timestamp'],
as_dict=1)
def get_valuation_rate(item_code, warehouse, voucher_type, voucher_no,
allow_zero_rate=False, currency=None, company=None, raise_error_if_no_rate=True):
# Get valuation rate from last sle for the same item and warehouse
if not company:
company = erpnext.get_default_company()
last_valuation_rate = frappe.db.sql("""select valuation_rate
from `tabStock Ledger Entry`
where
item_code = %s
AND warehouse = %s
AND valuation_rate >= 0
AND NOT (voucher_no = %s AND voucher_type = %s)
order by posting_date desc, posting_time desc, name desc limit 1""", (item_code, warehouse, voucher_no, voucher_type))
if not last_valuation_rate:
# Get valuation rate from last sle for the item against any warehouse
last_valuation_rate = frappe.db.sql("""select valuation_rate
from `tabStock Ledger Entry`
where
item_code = %s
AND valuation_rate > 0
AND NOT(voucher_no = %s AND voucher_type = %s)
order by posting_date desc, posting_time desc, name desc limit 1""", (item_code, voucher_no, voucher_type))
if last_valuation_rate:
return flt(last_valuation_rate[0][0])
# If negative stock allowed, and item delivered without any incoming entry,
# system does not found any SLE, then take valuation rate from Item
valuation_rate = frappe.db.get_value("Item", item_code, "valuation_rate")
if not valuation_rate:
# try Item Standard rate
valuation_rate = frappe.db.get_value("Item", item_code, "standard_rate")
if not valuation_rate:
# try in price list
valuation_rate = frappe.db.get_value('Item Price',
dict(item_code=item_code, buying=1, currency=currency),
'price_list_rate')
if not allow_zero_rate and not valuation_rate and raise_error_if_no_rate \
and cint(erpnext.is_perpetual_inventory_enabled(company)):
frappe.local.message_log = []
form_link = frappe.utils.get_link_to_form("Item", item_code)
message = _("Valuation Rate for the Item {0}, is required to do accounting entries for {1} {2}.").format(form_link, voucher_type, voucher_no)
message += "<br><br>" + _(" Here are the options to proceed:")
solutions = "<li>" + _("If the item is transacting as a Zero Valuation Rate item in this entry, please enable 'Allow Zero Valuation Rate' in the {0} Item table.").format(voucher_type) + "</li>"
solutions += "<li>" + _("If not, you can Cancel / Submit this entry ") + _("{0}").format(frappe.bold("after")) + _(" performing either one below:") + "</li>"
sub_solutions = "<ul><li>" + _("Create an incoming stock transaction for the Item.") + "</li>"
sub_solutions += "<li>" + _("Mention Valuation Rate in the Item master.") + "</li></ul>"
msg = message + solutions + sub_solutions + "</li>"
frappe.throw(msg=msg, title=_("Valuation Rate Missing"))
return valuation_rate
def update_qty_in_future_sle(args, allow_negative_stock=None):
frappe.db.sql("""
update `tabStock Ledger Entry`
set qty_after_transaction = qty_after_transaction + {qty}
where
item_code = %(item_code)s
and warehouse = %(warehouse)s
and voucher_no != %(voucher_no)s
and is_cancelled = 0
and (timestamp(posting_date, posting_time) > timestamp(%(posting_date)s, %(posting_time)s)
or (
timestamp(posting_date, posting_time) = timestamp(%(posting_date)s, %(posting_time)s)
and creation > %(creation)s
)
)
""".format(qty=args.actual_qty), args)
validate_negative_qty_in_future_sle(args, allow_negative_stock)
def validate_negative_qty_in_future_sle(args, allow_negative_stock=None):
allow_negative_stock = allow_negative_stock \
or cint(frappe.db.get_single_value("Stock Settings", "allow_negative_stock"))
if args.actual_qty < 0 and not allow_negative_stock:
sle = get_future_sle_with_negative_qty(args)
if sle:
message = _("{0} units of {1} needed in {2} on {3} {4} for {5} to complete this transaction.").format(
abs(sle[0]["qty_after_transaction"]),
frappe.get_desk_link('Item', args.item_code),
frappe.get_desk_link('Warehouse', args.warehouse),
sle[0]["posting_date"], sle[0]["posting_time"],
frappe.get_desk_link(sle[0]["voucher_type"], sle[0]["voucher_no"]))
frappe.throw(message, NegativeStockError, title='Insufficient Stock')
def get_future_sle_with_negative_qty(args):
return frappe.db.sql("""
select
qty_after_transaction, posting_date, posting_time,
voucher_type, voucher_no
from `tabStock Ledger Entry`
where
item_code = %(item_code)s
and warehouse = %(warehouse)s
and voucher_no != %(voucher_no)s
and timestamp(posting_date, posting_time) >= timestamp(%(posting_date)s, %(posting_time)s)
and is_cancelled = 0
and qty_after_transaction < 0
order by timestamp(posting_date, posting_time) asc
limit 1
""", args, as_dict=1)