<commit_before># Please edit this list and import only required elements
import webnotes

from webnotes.utils import add_days, add_months, add_years, cint, cstr, date_diff, default_fields, flt, fmt_money, formatdate, generate_hash, getTraceback, get_defaults, get_first_day, get_last_day, getdate, has_common, month_name, now, nowdate, replace_newlines, sendmail, set_default, str_esc_quote, user_format, validate_email_add
from webnotes.model import db_exists
from webnotes.model.doc import Document, addchild, removechild, getchildren, make_autoname, SuperDocType
from webnotes.model.doclist import getlist, copy_doclist
from webnotes.model.code import get_obj, get_server_obj, run_server_obj, updatedb, check_syntax
from webnotes import session, form, is_testing, msgprint, errprint

set = webnotes.conn.set
sql = webnotes.conn.sql
get_value = webnotes.conn.get_value
in_transaction = webnotes.conn.in_transaction
convert_to_lists = webnotes.conn.convert_to_lists

# -----------------------------------------------------------------------------------------


class DocType:	
	def __init__(self, doc, doclist=[]):
		self.doc = doc
		self.doclist = doclist

	# -------------
	# stock update
	# -------------
	def update_stock(self, actual_qty=0, reserved_qty=0, ordered_qty=0, indented_qty=0, planned_qty=0, dt=None, sle_id='', posting_time='', serial_no = '', is_cancelled = 'No'):

		if not dt: dt = nowdate()
		# update the stock values (for current quantities)
		self.doc.actual_qty = flt(self.doc.actual_qty) + flt(actual_qty)
		self.doc.ordered_qty = flt(self.doc.ordered_qty) + flt(ordered_qty)
		self.doc.reserved_qty = flt(self.doc.reserved_qty) + flt(reserved_qty)
		self.doc.indented_qty = flt(self.doc.indented_qty) + flt(indented_qty)
		self.doc.planned_qty = flt(self.doc.planned_qty) + flt(planned_qty)
		self.doc.projected_qty = flt(self.doc.actual_qty) + flt(self.doc.ordered_qty) + flt(self.doc.indented_qty) + flt(self.doc.planned_qty) - flt(self.doc.reserved_qty)

		self.doc.save()
			
		# check actual qty with total number of serial no
		self.check_qty_with_serial_no()
		
		# update valuation for post dated entry
		if actual_qty:
			prev_sle = self.get_prev_sle(dt, posting_time, sle_id)
			cqty = flt(prev_sle.get('bin_aqat', 0))
			# Block if actual qty becomes negative
			if (flt(cqty) + flt(actual_qty)) < 0 and flt(actual_qty) < 0 and is_cancelled == 'No':
				msgprint('Not enough quantity (requested: %s, current: %s) for Item <b>%s</b> in Warehouse <b>%s</b> as on %s %s' % (flt(actual_qty), flt(cqty), self.doc.item_code, self.doc.warehouse, dt, posting_time), raise_exception = 1)

			self.update_item_valuation(sle_id, dt, posting_time, serial_no, prev_sle)

	def check_qty_with_serial_no(self):
		"""
			check actual qty with total number of serial no in store
			Temporary validation added on: 18-07-2011
		"""
		if sql("select name from `tabItem` where ifnull(has_serial_no, 'No') = 'Yes' and name = '%s'" % self.doc.item_code):
			sr_count = sql("select count(name) from `tabSerial No` where item_code = '%s' and warehouse = '%s' and status  ='In Store' and docstatus != 2" % (self.doc.item_code, self.doc.warehouse))[0][0]
			if sr_count != self.doc.actual_qty:
				msg = "Actual Qty in Bin is mismatched with total number of serial no in store for item: '%s' and warehouse: '%s'" % (self.doc.item_code, self.doc.warehouse)
				msgprint(msg, raise_exception=1)
				sendmail(['<EMAIL>'], sender='<EMAIL>', subject='Serial No Count vs Bin Actual Qty', parts=[['text/plain', msg]])			

	# --------------------------------
	# get first stock ledger entry
	# --------------------------------
	
	def get_first_sle(self):
		sle = sql("""
			select * from `tabStock Ledger Entry`
			where item_code = %s
			and warehouse = %s
			and ifnull(is_cancelled, 'No') = 'No'
			order by timestamp(posting_date, posting_time) asc, name asc
			limit 1
		""", (self.doc.item_code, self.doc.warehouse), as_dict=1)
		return sle and sle[0] or None

	# --------------------------------
	# get previous stock ledger entry
	# --------------------------------
			
	def get_prev_sle(self, posting_date, posting_time, sle_id = ''):
		# this function will only be called for a live entry
		# for which the "name" will be the latest (even for the same timestamp)
		# and even for a back-dated entry
		# hence there cannot be any "backdated entries" with a name greater than the
		# current one
		
		# if there are multiple entries on this timestamp, then the last one will be with
		# the last "name"		
		# else, the last entry will be the highest name at the previous timestamp
		# hence, the double sort on timestamp and name should be sufficient condition
		# to get the last sle

		sle = sql("""
			select * from `tabStock Ledger Entry`
			where item_code = %s
			and warehouse = %s
			and name != %s
			and ifnull(is_cancelled, 'No') = 'No'
			and timestamp(posting_date, posting_time) <= timestamp(%s, %s)
			order by timestamp(posting_date, posting_time) desc, name desc
			limit 1
		""", (self.doc.item_code, self.doc.warehouse, sle_id, posting_date, posting_time), as_dict=1)

		return sle and sle[0] or {}




	# --------------------------------------------------------------------------------------------------------------------------------------
	# validate negative stock (validate if stock is going -ve in between for back dated entries will consider only is_cancel = 'No' entries)
	# --------------------------------------------------------------------------------------------------------------------------------------
	def validate_negative_stock(self, cqty, s):
		if cqty + s['actual_qty'] < 0 and s['is_cancelled'] != 'Yes':
			msgprint(cqty)
			msgprint(s['actual_qty'])
			msgprint('Cannot complete this transaction because stock will become negative in future transaction for Item <b>%s</b> in Warehouse <b>%s</b> on <b>%s %s</b>' % \
				(self.doc.item_code, self.doc.warehouse, s['posting_date'], s['posting_time']))
			raise Exception

	# ------------------------------------
	# get serialized inventory values
	# ------------------------------------
	def get_serialized_inventory_values(self, val_rate, in_rate, opening_qty, actual_qty, is_cancelled, serial_nos):
		if flt(in_rate) < 0: # wrong incoming rate
			in_rate = val_rate
		elif flt(in_rate) == 0: # In case of delivery/stock issue, get average purchase rate of serial nos of current entry
			in_rate = flt(sql("select ifnull(avg(purchase_rate), 0) from `tabSerial No` where name in (%s)" % (serial_nos))[0][0])

		if in_rate and val_rate == 0: # First entry
			val_rate = in_rate		
		# val_rate is same as previous entry if val_rate is negative
		# Otherwise it will be calculated as per moving average
		elif opening_qty + actual_qty > 0 and ((opening_qty * val_rate) + (actual_qty * in_rate)) > 0:
			val_rate = ((opening_qty *val_rate) + (actual_qty * in_rate)) / (opening_qty + actual_qty)
		stock_val = val_rate
		return val_rate, stock_val



	# ------------------------------------
	# get moving average inventory values
	# ------------------------------------
	def get_moving_average_inventory_values(self, val_rate, in_rate, opening_qty, actual_qty, is_cancelled):
		if flt(in_rate) <= 0: # In case of delivery/stock issue in_rate = 0 or wrong incoming rate
			in_rate = val_rate
		if in_rate and val_rate == 0: # First entry
			val_rate = in_rate

		# val_rate is same as previous entry if :
		# 1. actual qty is negative(delivery note / stock entry)
		# 2. cancelled entry
		# 3. val_rate is negative
		# Otherwise it will be calculated as per moving average
		elif actual_qty > 0 and (opening_qty + actual_qty) > 0 and is_cancelled == 'No' and ((opening_qty * val_rate) + (actual_qty * in_rate)) > 0:
			val_rate = ((opening_qty *val_rate) + (actual_qty * in_rate)) / (opening_qty + actual_qty)
		stock_val = val_rate
		return val_rate, stock_val


	# --------------------------
	# get fifo inventory values
	# --------------------------
	def get_fifo_inventory_values(self, in_rate, actual_qty):
		# add batch to fcfs balance
		if actual_qty > 0:
			self.fcfs_bal.append([flt(actual_qty), flt(in_rate)])

		# remove from fcfs balance
		else:
			withdraw = flt(abs(actual_qty))
			while withdraw:
				if not self.fcfs_bal:
					break # nothing in store
				
				batch = self.fcfs_bal[0]
			 
				if batch[0] <= withdraw:
					# not enough or exactly same qty in current batch, clear batch
					withdraw -= batch[0]
					self.fcfs_bal.pop(0)
				else:
					# all from current batch
					batch[0] -= withdraw
					withdraw = 0

		fcfs_val = sum([flt(d[0])*flt(d[1]) for d in self.fcfs_bal])
		fcfs_qty = sum([flt(d[0]) for d in self.fcfs_bal])
		val_rate = fcfs_qty and fcfs_val / fcfs_qty or 0
		
		return val_rate

	# -------------------
	# get valuation rate
	# -------------------
	def get_valuation_rate(self, val_method, serial_nos, val_rate, in_rate, stock_val, cqty, s):
		if serial_nos:
			val_rate, stock_val = self.get_serialized_inventory_values(val_rate, in_rate, opening_qty = cqty, actual_qty = s['actual_qty'], is_cancelled = s['is_cancelled'], serial_nos = serial_nos)
		elif val_method == 'Moving Average':
			val_rate, stock_val = self.get_moving_average_inventory_values(val_rate, in_rate, opening_qty = cqty, actual_qty = s['actual_qty'], is_cancelled = s['is_cancelled'])
		elif val_method == 'FIFO':
			val_rate = self.get_fifo_inventory_values(in_rate, actual_qty = s['actual_qty'])
		return val_rate, stock_val


	# ----------------
	# get stock value
	# ----------------
	def get_stock_value(self, val_method, cqty, stock_val, serial_nos):
		if val_method == 'Moving Average' or serial_nos:
			stock_val = flt(stock_val) * flt(cqty)
		elif val_method == 'FIFO':
			stock_val = sum([flt(d[0])*flt(d[1]) for d in self.fcfs_bal])
		return stock_val

	# ----------------------
	# update item valuation
	# ----------------------
	def update_item_valuation(self, sle_id=None, posting_date=None, posting_time=None, serial_no=None, prev_sle=None):
		# no sle given, start from the first one (for repost)
		if not prev_sle:
			cqty, cval, val_rate, self.fcfs_bal = 0, 0, 0, []
		
		# normal
		else:
			cqty = flt(prev_sle.get('bin_aqat', 0))
			cval =flt(prev_sle.get('stock_value', 0))
			val_rate = flt(prev_sle.get('valuation_rate', 0))
			self.fcfs_bal = eval(prev_sle.get('fcfs_stack', '[]') or '[]')

		val_method = get_obj('Valuation Control').get_valuation_method(self.doc.item_code)	# get valuation method

		# recalculate the balances for all stock ledger entries
		# after this one (so that the corrected balance will reflect
		# correctly in all entries after this one)
		sll = sql("""
			select *
			from `tabStock Ledger Entry` 
			where item_code = %s 
			and warehouse = %s 
			and ifnull(is_cancelled, 'No') = 'No'
			and timestamp(posting_date, posting_time) > timestamp(%s, %s)
			order by timestamp(posting_date, posting_time) asc, name asc""", \
				(self.doc.item_code, self.doc.warehouse, posting_date, posting_time), as_dict = 1)

		# if in live entry - update the values of the current sle
		if sle_id:
			sll = sql("select * from `tabStock Ledger Entry` where name=%s and ifnull(is_cancelled, 'No') = 'No'", sle_id, as_dict=1) + sll
		for s in sll:
			# block if stock level goes negative on any date
			self.validate_negative_stock(cqty, s)

			stock_val, in_rate = 0, s['incoming_rate'] # IN
			serial_nos = s["serial_no"] and ("'"+"', '".join(cstr(s["serial_no"]).split('\n')) + "'") or ''

			# Get valuation rate
			val_rate, stock_val = self.get_valuation_rate(val_method, serial_nos, val_rate, in_rate, stock_val, cqty, s) 
			
			# Qty upto the sle
			cqty += s['actual_qty'] 

			# Stock Value upto the sle
			stock_val = self.get_stock_value(val_method, cqty, stock_val, serial_nos) 
			# update current sle --> will it be good to update incoming rate in sle for outgoing stock entry?????
			sql("""update `tabStock Ledger Entry` 
			set bin_aqat=%s, valuation_rate=%s, fcfs_stack=%s, stock_value=%s 
			where name=%s""", (cqty, flt(val_rate), cstr(self.fcfs_bal), stock_val, s['name']))
		
		# update the bin
		if sll:
			sql("update `tabBin` set valuation_rate=%s, actual_qty=%s, stock_value = %s where name=%s", \
				(flt(val_rate), cqty, flt(stock_val), self.doc.name))


	# item re-order
	# -------------
	def reorder_item(self):
		#check if re-order is required
		projected_qty = flt(self.doc.actual_qty) + flt(self.doc.indented_qty) + flt(self.doc.ordered_qty)
		item_reorder_level = sql("select reorder_level from `%sItem` where name = '%s'" % (self.prefix, self.doc.item_code))[0][0] or 0
		if flt(item_reorder_level) > flt(projected_qty):
			msgprint("Item: " + self.doc.item_code + " is to be re-ordered. Indent raised (Not Implemented).")
	
	# validate
	def validate(self):
		self.validate_mandatory()

	
	# set defaults in bin
	def validate_mandatory(self):
		qf = ['actual_qty', 'reserved_qty', 'ordered_qty', 'indented_qty']
		for f in qf:
			if (not self.doc.fields.has_key(f)) or (not self.doc.fields[f]): 
				self.doc.fields[f] = 0.0
<commit_msg>Check serial no/bin qty integrity only if actual_qty > 0<commit_after># Please edit this list and import only required elements
import webnotes

from webnotes.utils import add_days, add_months, add_years, cint, cstr, date_diff, default_fields, flt, fmt_money, formatdate, generate_hash, getTraceback, get_defaults, get_first_day, get_last_day, getdate, has_common, month_name, now, nowdate, replace_newlines, sendmail, set_default, str_esc_quote, user_format, validate_email_add
from webnotes.model import db_exists
from webnotes.model.doc import Document, addchild, removechild, getchildren, make_autoname, SuperDocType
from webnotes.model.doclist import getlist, copy_doclist
from webnotes.model.code import get_obj, get_server_obj, run_server_obj, updatedb, check_syntax
from webnotes import session, form, is_testing, msgprint, errprint

set = webnotes.conn.set
sql = webnotes.conn.sql
get_value = webnotes.conn.get_value
in_transaction = webnotes.conn.in_transaction
convert_to_lists = webnotes.conn.convert_to_lists

# -----------------------------------------------------------------------------------------


class DocType:	
	def __init__(self, doc, doclist=[]):
		self.doc = doc
		self.doclist = doclist

	# -------------
	# stock update
	# -------------
	def update_stock(self, actual_qty=0, reserved_qty=0, ordered_qty=0, indented_qty=0, planned_qty=0, dt=None, sle_id='', posting_time='', serial_no = '', is_cancelled = 'No'):

		if not dt: dt = nowdate()
		# update the stock values (for current quantities)
		self.doc.actual_qty = flt(self.doc.actual_qty) + flt(actual_qty)
		self.doc.ordered_qty = flt(self.doc.ordered_qty) + flt(ordered_qty)
		self.doc.reserved_qty = flt(self.doc.reserved_qty) + flt(reserved_qty)
		self.doc.indented_qty = flt(self.doc.indented_qty) + flt(indented_qty)
		self.doc.planned_qty = flt(self.doc.planned_qty) + flt(planned_qty)
		self.doc.projected_qty = flt(self.doc.actual_qty) + flt(self.doc.ordered_qty) + flt(self.doc.indented_qty) + flt(self.doc.planned_qty) - flt(self.doc.reserved_qty)

		self.doc.save()
			
		
		# update valuation for post dated entry
		if actual_qty:
			# check actual qty with total number of serial no
			self.check_qty_with_serial_no()
			
			prev_sle = self.get_prev_sle(dt, posting_time, sle_id)
			cqty = flt(prev_sle.get('bin_aqat', 0))
			# Block if actual qty becomes negative
			if (flt(cqty) + flt(actual_qty)) < 0 and flt(actual_qty) < 0 and is_cancelled == 'No':
				msgprint('Not enough quantity (requested: %s, current: %s) for Item <b>%s</b> in Warehouse <b>%s</b> as on %s %s' % (flt(actual_qty), flt(cqty), self.doc.item_code, self.doc.warehouse, dt, posting_time), raise_exception = 1)

			self.update_item_valuation(sle_id, dt, posting_time, serial_no, prev_sle)

	def check_qty_with_serial_no(self):
		"""
			check actual qty with total number of serial no in store
			Temporary validation added on: 18-07-2011
		"""
		if sql("select name from `tabItem` where ifnull(has_serial_no, 'No') = 'Yes' and name = '%s'" % self.doc.item_code):
			sr_count = sql("select count(name) from `tabSerial No` where item_code = '%s' and warehouse = '%s' and status  ='In Store' and docstatus != 2" % (self.doc.item_code, self.doc.warehouse))[0][0]
			if sr_count != self.doc.actual_qty:
				msg = "Actual Qty(%s) in Bin is mismatched with total number(%s) of serial no in store for item: '%s' and warehouse: '%s'" % (self.doc.actual_qty, sr_count, self.doc.item_code, self.doc.warehouse)
				msgprint(msg, raise_exception=1)
				sendmail(['<EMAIL>'], sender='<EMAIL>', subject='Serial No Count vs Bin Actual Qty', parts=[['text/plain', msg]])			

	# --------------------------------
	# get first stock ledger entry
	# --------------------------------
	
	def get_first_sle(self):
		sle = sql("""
			select * from `tabStock Ledger Entry`
			where item_code = %s
			and warehouse = %s
			and ifnull(is_cancelled, 'No') = 'No'
			order by timestamp(posting_date, posting_time) asc, name asc
			limit 1
		""", (self.doc.item_code, self.doc.warehouse), as_dict=1)
		return sle and sle[0] or None

	# --------------------------------
	# get previous stock ledger entry
	# --------------------------------
			
	def get_prev_sle(self, posting_date, posting_time, sle_id = ''):
		# this function will only be called for a live entry
		# for which the "name" will be the latest (even for the same timestamp)
		# and even for a back-dated entry
		# hence there cannot be any "backdated entries" with a name greater than the
		# current one
		
		# if there are multiple entries on this timestamp, then the last one will be with
		# the last "name"		
		# else, the last entry will be the highest name at the previous timestamp
		# hence, the double sort on timestamp and name should be sufficient condition
		# to get the last sle

		sle = sql("""
			select * from `tabStock Ledger Entry`
			where item_code = %s
			and warehouse = %s
			and name != %s
			and ifnull(is_cancelled, 'No') = 'No'
			and timestamp(posting_date, posting_time) <= timestamp(%s, %s)
			order by timestamp(posting_date, posting_time) desc, name desc
			limit 1
		""", (self.doc.item_code, self.doc.warehouse, sle_id, posting_date, posting_time), as_dict=1)

		return sle and sle[0] or {}




	# --------------------------------------------------------------------------------------------------------------------------------------
	# validate negative stock (validate if stock is going -ve in between for back dated entries will consider only is_cancel = 'No' entries)
	# --------------------------------------------------------------------------------------------------------------------------------------
	def validate_negative_stock(self, cqty, s):
		if cqty + s['actual_qty'] < 0 and s['is_cancelled'] != 'Yes':
			msgprint(cqty)
			msgprint(s['actual_qty'])
			msgprint('Cannot complete this transaction because stock will become negative in future transaction for Item <b>%s</b> in Warehouse <b>%s</b> on <b>%s %s</b>' % \
				(self.doc.item_code, self.doc.warehouse, s['posting_date'], s['posting_time']))
			raise Exception

	# ------------------------------------
	# get serialized inventory values
	# ------------------------------------
	def get_serialized_inventory_values(self, val_rate, in_rate, opening_qty, actual_qty, is_cancelled, serial_nos):
		if flt(in_rate) < 0: # wrong incoming rate
			in_rate = val_rate
		elif flt(in_rate) == 0: # In case of delivery/stock issue, get average purchase rate of serial nos of current entry
			in_rate = flt(sql("select ifnull(avg(purchase_rate), 0) from `tabSerial No` where name in (%s)" % (serial_nos))[0][0])

		if in_rate and val_rate == 0: # First entry
			val_rate = in_rate		
		# val_rate is same as previous entry if val_rate is negative
		# Otherwise it will be calculated as per moving average
		elif opening_qty + actual_qty > 0 and ((opening_qty * val_rate) + (actual_qty * in_rate)) > 0:
			val_rate = ((opening_qty *val_rate) + (actual_qty * in_rate)) / (opening_qty + actual_qty)
		stock_val = val_rate
		return val_rate, stock_val



	# ------------------------------------
	# get moving average inventory values
	# ------------------------------------
	def get_moving_average_inventory_values(self, val_rate, in_rate, opening_qty, actual_qty, is_cancelled):
		if flt(in_rate) <= 0: # In case of delivery/stock issue in_rate = 0 or wrong incoming rate
			in_rate = val_rate
		if in_rate and val_rate == 0: # First entry
			val_rate = in_rate

		# val_rate is same as previous entry if :
		# 1. actual qty is negative(delivery note / stock entry)
		# 2. cancelled entry
		# 3. val_rate is negative
		# Otherwise it will be calculated as per moving average
		elif actual_qty > 0 and (opening_qty + actual_qty) > 0 and is_cancelled == 'No' and ((opening_qty * val_rate) + (actual_qty * in_rate)) > 0:
			val_rate = ((opening_qty *val_rate) + (actual_qty * in_rate)) / (opening_qty + actual_qty)
		stock_val = val_rate
		return val_rate, stock_val


	# --------------------------
	# get fifo inventory values
	# --------------------------
	def get_fifo_inventory_values(self, in_rate, actual_qty):
		# add batch to fcfs balance
		if actual_qty > 0:
			self.fcfs_bal.append([flt(actual_qty), flt(in_rate)])

		# remove from fcfs balance
		else:
			withdraw = flt(abs(actual_qty))
			while withdraw:
				if not self.fcfs_bal:
					break # nothing in store
				
				batch = self.fcfs_bal[0]
			 
				if batch[0] <= withdraw:
					# not enough or exactly same qty in current batch, clear batch
					withdraw -= batch[0]
					self.fcfs_bal.pop(0)
				else:
					# all from current batch
					batch[0] -= withdraw
					withdraw = 0

		fcfs_val = sum([flt(d[0])*flt(d[1]) for d in self.fcfs_bal])
		fcfs_qty = sum([flt(d[0]) for d in self.fcfs_bal])
		val_rate = fcfs_qty and fcfs_val / fcfs_qty or 0
		
		return val_rate

	# -------------------
	# get valuation rate
	# -------------------
	def get_valuation_rate(self, val_method, serial_nos, val_rate, in_rate, stock_val, cqty, s):
		if serial_nos:
			val_rate, stock_val = self.get_serialized_inventory_values(val_rate, in_rate, opening_qty = cqty, actual_qty = s['actual_qty'], is_cancelled = s['is_cancelled'], serial_nos = serial_nos)
		elif val_method == 'Moving Average':
			val_rate, stock_val = self.get_moving_average_inventory_values(val_rate, in_rate, opening_qty = cqty, actual_qty = s['actual_qty'], is_cancelled = s['is_cancelled'])
		elif val_method == 'FIFO':
			val_rate = self.get_fifo_inventory_values(in_rate, actual_qty = s['actual_qty'])
		return val_rate, stock_val


	# ----------------
	# get stock value
	# ----------------
	def get_stock_value(self, val_method, cqty, stock_val, serial_nos):
		if val_method == 'Moving Average' or serial_nos:
			stock_val = flt(stock_val) * flt(cqty)
		elif val_method == 'FIFO':
			stock_val = sum([flt(d[0])*flt(d[1]) for d in self.fcfs_bal])
		return stock_val

	# ----------------------
	# update item valuation
	# ----------------------
	def update_item_valuation(self, sle_id=None, posting_date=None, posting_time=None, serial_no=None, prev_sle=None):
		# no sle given, start from the first one (for repost)
		if not prev_sle:
			cqty, cval, val_rate, self.fcfs_bal = 0, 0, 0, []
		
		# normal
		else:
			cqty = flt(prev_sle.get('bin_aqat', 0))
			cval =flt(prev_sle.get('stock_value', 0))
			val_rate = flt(prev_sle.get('valuation_rate', 0))
			self.fcfs_bal = eval(prev_sle.get('fcfs_stack', '[]') or '[]')

		val_method = get_obj('Valuation Control').get_valuation_method(self.doc.item_code)	# get valuation method

		# recalculate the balances for all stock ledger entries
		# after this one (so that the corrected balance will reflect
		# correctly in all entries after this one)
		sll = sql("""
			select *
			from `tabStock Ledger Entry` 
			where item_code = %s 
			and warehouse = %s 
			and ifnull(is_cancelled, 'No') = 'No'
			and timestamp(posting_date, posting_time) > timestamp(%s, %s)
			order by timestamp(posting_date, posting_time) asc, name asc""", \
				(self.doc.item_code, self.doc.warehouse, posting_date, posting_time), as_dict = 1)

		# if in live entry - update the values of the current sle
		if sle_id:
			sll = sql("select * from `tabStock Ledger Entry` where name=%s and ifnull(is_cancelled, 'No') = 'No'", sle_id, as_dict=1) + sll
		for s in sll:
			# block if stock level goes negative on any date
			self.validate_negative_stock(cqty, s)

			stock_val, in_rate = 0, s['incoming_rate'] # IN
			serial_nos = s["serial_no"] and ("'"+"', '".join(cstr(s["serial_no"]).split('\n')) + "'") or ''

			# Get valuation rate
			val_rate, stock_val = self.get_valuation_rate(val_method, serial_nos, val_rate, in_rate, stock_val, cqty, s) 
			
			# Qty upto the sle
			cqty += s['actual_qty'] 

			# Stock Value upto the sle
			stock_val = self.get_stock_value(val_method, cqty, stock_val, serial_nos) 
			# update current sle --> will it be good to update incoming rate in sle for outgoing stock entry?????
			sql("""update `tabStock Ledger Entry` 
			set bin_aqat=%s, valuation_rate=%s, fcfs_stack=%s, stock_value=%s 
			where name=%s""", (cqty, flt(val_rate), cstr(self.fcfs_bal), stock_val, s['name']))
		
		# update the bin
		if sll:
			sql("update `tabBin` set valuation_rate=%s, actual_qty=%s, stock_value = %s where name=%s", \
				(flt(val_rate), cqty, flt(stock_val), self.doc.name))


	# item re-order
	# -------------
	def reorder_item(self):
		#check if re-order is required
		projected_qty = flt(self.doc.actual_qty) + flt(self.doc.indented_qty) + flt(self.doc.ordered_qty)
		item_reorder_level = sql("select reorder_level from `%sItem` where name = '%s'" % (self.prefix, self.doc.item_code))[0][0] or 0
		if flt(item_reorder_level) > flt(projected_qty):
			msgprint("Item: " + self.doc.item_code + " is to be re-ordered. Indent raised (Not Implemented).")
	
	# validate
	def validate(self):
		self.validate_mandatory()

	
	# set defaults in bin
	def validate_mandatory(self):
		qf = ['actual_qty', 'reserved_qty', 'ordered_qty', 'indented_qty']
		for f in qf:
			if (not self.doc.fields.has_key(f)) or (not self.doc.fields[f]): 
				self.doc.fields[f] = 0.0

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