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# Copyright (c) 2013, Web Notes 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
from frappe import _ , throw
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from frappe . utils import flt , cint , today
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from erpnext . setup . utils import get_company_currency
from erpnext . accounts . utils import get_fiscal_year , validate_fiscal_year
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from erpnext . utilities . transaction_base import TransactionBase
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import json
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class AccountsController ( TransactionBase ) :
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def validate ( self ) :
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self . set_missing_values ( for_validate = True )
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self . validate_date_with_fiscal_year ( )
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if self . meta . get_field ( " currency " ) :
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self . calculate_taxes_and_totals ( )
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self . validate_value ( " grand_total " , " >= " , 0 )
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self . set_total_in_words ( )
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self . validate_for_freezed_account ( )
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def set_missing_values ( self , for_validate = False ) :
for fieldname in [ " posting_date " , " transaction_date " ] :
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if not self . get ( fieldname ) and self . meta . get_field ( fieldname ) :
self . set ( fieldname , today ( ) )
if not self . fiscal_year :
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self . fiscal_year = get_fiscal_year ( self . get ( fieldname ) ) [ 0 ]
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break
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def validate_date_with_fiscal_year ( self ) :
if self . meta . get_field ( " fiscal_year " ) :
date_field = " "
if self . meta . get_field ( " posting_date " ) :
date_field = " posting_date "
elif self . meta . get_field ( " transaction_date " ) :
date_field = " transaction_date "
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if date_field and self . get ( date_field ) :
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validate_fiscal_year ( self . get ( date_field ) , self . fiscal_year ,
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label = self . meta . get_label ( date_field ) )
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def validate_for_freezed_account ( self ) :
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for fieldname in [ " customer " , " supplier " ] :
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if self . meta . get_field ( fieldname ) and self . get ( fieldname ) :
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accounts = frappe . db . get_values ( " Account " ,
{ " master_type " : fieldname . title ( ) , " master_name " : self . get ( fieldname ) ,
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" company " : self . company } , " name " )
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if accounts :
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from erpnext . accounts . doctype . gl_entry . gl_entry import validate_frozen_account
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for account in accounts :
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validate_frozen_account ( account [ 0 ] )
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def set_price_list_currency ( self , buying_or_selling ) :
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if self . meta . get_field ( " currency " ) :
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company_currency = get_company_currency ( self . company )
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# price list part
fieldname = " selling_price_list " if buying_or_selling . lower ( ) == " selling " \
else " buying_price_list "
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if self . meta . get_field ( fieldname ) and self . get ( fieldname ) :
self . price_list_currency = frappe . db . get_value ( " Price List " ,
self . get ( fieldname ) , " currency " )
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if self . price_list_currency == company_currency :
self . plc_conversion_rate = 1.0
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elif not self . plc_conversion_rate :
self . plc_conversion_rate = self . get_exchange_rate (
self . price_list_currency , company_currency )
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# currency
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if not self . currency :
self . currency = self . price_list_currency
self . conversion_rate = self . plc_conversion_rate
elif self . currency == company_currency :
self . conversion_rate = 1.0
elif not self . conversion_rate :
self . conversion_rate = self . get_exchange_rate ( self . currency ,
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company_currency )
def get_exchange_rate ( self , from_currency , to_currency ) :
exchange = " %s - %s " % ( from_currency , to_currency )
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return flt ( frappe . db . get_value ( " Currency Exchange " , exchange , " exchange_rate " ) )
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def set_missing_item_details ( self ) :
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""" set missing item values """
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from erpnext . stock . get_item_details import get_item_details
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if hasattr ( self , " fname " ) :
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parent_dict = { " doctype " : self . doctype }
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for fieldname in self . meta . get_valid_columns ( ) :
parent_dict [ fieldname ] = self . get ( fieldname )
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for item in self . get ( self . fname ) :
if item . get ( " item_code " ) :
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args = item . as_dict ( )
args . update ( parent_dict )
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ret = get_item_details ( args )
for fieldname , value in ret . items ( ) :
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if item . meta . get_field ( fieldname ) and \
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item . get ( fieldname ) is None and value is not None :
item . set ( fieldname , value )
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def set_taxes ( self , tax_parentfield , tax_master_field ) :
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if not self . meta . get_field ( tax_parentfield ) :
return
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tax_master_doctype = self . meta . get_field ( tax_master_field ) . options
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if not self . get ( tax_parentfield ) :
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if not self . get ( tax_master_field ) :
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# get the default tax master
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self . set ( tax_master_field , frappe . db . get_value ( tax_master_doctype , { " is_default " : 1 } ) )
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self . append_taxes_from_master ( tax_parentfield , tax_master_field , tax_master_doctype )
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def append_taxes_from_master ( self , tax_parentfield , tax_master_field , tax_master_doctype = None ) :
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if self . get ( tax_master_field ) :
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if not tax_master_doctype :
tax_master_doctype = self . meta . get_field ( tax_master_field ) . options
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self . extend ( tax_parentfield ,
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get_taxes_and_charges ( tax_master_doctype , self . get ( tax_master_field ) , tax_parentfield ) )
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def set_other_charges ( self ) :
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self . set ( " other_charges " , [ ] )
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self . set_taxes ( " other_charges " , " taxes_and_charges " )
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def calculate_taxes_and_totals ( self ) :
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self . discount_amount_applied = False
self . _calculate_taxes_and_totals ( )
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if self . meta . get_field ( " discount_amount " ) :
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self . apply_discount_amount ( )
def _calculate_taxes_and_totals ( self ) :
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# validate conversion rate
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company_currency = get_company_currency ( self . company )
if not self . currency or self . currency == company_currency :
self . currency = company_currency
self . conversion_rate = 1.0
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else :
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from erpnext . setup . doctype . currency . currency import validate_conversion_rate
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validate_conversion_rate ( self . currency , self . conversion_rate ,
self . meta . get_label ( " conversion_rate " ) , self . company )
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self . conversion_rate = flt ( self . conversion_rate )
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self . item_doclist = self . get ( self . fname )
self . tax_doclist = self . get ( self . other_fname )
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self . calculate_item_values ( )
self . initialize_taxes ( )
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if hasattr ( self , " determine_exclusive_rate " ) :
self . determine_exclusive_rate ( )
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self . calculate_net_total ( )
self . calculate_taxes ( )
self . calculate_totals ( )
self . _cleanup ( )
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def initialize_taxes ( self ) :
for tax in self . tax_doclist :
tax . item_wise_tax_detail = { }
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tax_fields = [ " total " , " tax_amount_after_discount_amount " ,
" tax_amount_for_current_item " , " grand_total_for_current_item " ,
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" tax_fraction_for_current_item " , " grand_total_fraction_for_current_item " ]
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if not self . discount_amount_applied :
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tax_fields . append ( " tax_amount " )
for fieldname in tax_fields :
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tax . set ( fieldname , 0.0 )
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self . validate_on_previous_row ( tax )
self . validate_inclusive_tax ( tax )
self . round_floats_in ( tax )
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def validate_on_previous_row ( self , tax ) :
"""
validate if a valid row id is mentioned in case of
On Previous Row Amount and On Previous Row Total
"""
if tax . charge_type in [ " On Previous Row Amount " , " On Previous Row Total " ] and \
( not tax . row_id or cint ( tax . row_id ) > = tax . idx ) :
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throw ( _ ( " Please specify a valid Row ID for {0} in row {1} " ) . format ( _ ( tax . doctype ) , tax . idx ) )
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def validate_inclusive_tax ( self , tax ) :
def _on_previous_row_error ( row_range ) :
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throw ( _ ( " To include tax in row {0} in Item rate, taxes in rows {1} must also be included " ) . format ( tax . idx ,
row_range ) )
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if cint ( getattr ( tax , " included_in_print_rate " , None ) ) :
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if tax . charge_type == " Actual " :
# inclusive tax cannot be of type Actual
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throw ( _ ( " Charge of type ' Actual ' in row {0} cannot be included in Item Rate " ) . format ( tax . idx ) )
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elif tax . charge_type == " On Previous Row Amount " and \
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not cint ( self . tax_doclist [ cint ( tax . row_id ) - 1 ] . included_in_print_rate ) :
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# referred row should also be inclusive
_on_previous_row_error ( tax . row_id )
elif tax . charge_type == " On Previous Row Total " and \
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not all ( [ cint ( t . included_in_print_rate ) for t in self . tax_doclist [ : cint ( tax . row_id ) - 1 ] ] ) :
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# all rows about the reffered tax should be inclusive
_on_previous_row_error ( " 1 - %d " % ( tax . row_id , ) )
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def calculate_taxes ( self ) :
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# maintain actual tax rate based on idx
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actual_tax_dict = dict ( [ [ tax . idx , tax . rate ] for tax in self . tax_doclist
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if tax . charge_type == " Actual " ] )
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for n , item in enumerate ( self . item_doclist ) :
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item_tax_map = self . _load_item_tax_rate ( item . item_tax_rate )
for i , tax in enumerate ( self . tax_doclist ) :
# tax_amount represents the amount of tax for the current step
current_tax_amount = self . get_current_tax_amount ( item , tax , item_tax_map )
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# Adjust divisional loss to the last item
if tax . charge_type == " Actual " :
actual_tax_dict [ tax . idx ] - = current_tax_amount
if n == len ( self . item_doclist ) - 1 :
current_tax_amount + = actual_tax_dict [ tax . idx ]
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# store tax_amount for current item as it will be used for
# charge type = 'On Previous Row Amount'
tax . tax_amount_for_current_item = current_tax_amount
# accumulate tax amount into tax.tax_amount
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if not self . discount_amount_applied :
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tax . tax_amount + = current_tax_amount
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tax . tax_amount_after_discount_amount + = current_tax_amount
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if getattr ( tax , " category " , None ) :
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# if just for valuation, do not add the tax amount in total
# hence, setting it as 0 for further steps
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current_tax_amount = 0.0 if ( tax . category == " Valuation " ) \
else current_tax_amount
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current_tax_amount * = - 1.0 if ( tax . add_deduct_tax == " Deduct " ) else 1.0
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# Calculate tax.total viz. grand total till that step
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# note: grand_total_for_current_item contains the contribution of
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# item's amount, previously applied tax and the current tax on that item
if i == 0 :
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tax . grand_total_for_current_item = flt ( item . base_amount + current_tax_amount ,
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self . precision ( " total " , tax ) )
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else :
tax . grand_total_for_current_item = \
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flt ( self . tax_doclist [ i - 1 ] . grand_total_for_current_item +
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current_tax_amount , self . precision ( " total " , tax ) )
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# in tax.total, accumulate grand total of each item
tax . total + = tax . grand_total_for_current_item
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# set precision in the last item iteration
if n == len ( self . item_doclist ) - 1 :
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self . round_off_totals ( tax )
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# adjust Discount Amount loss in last tax iteration
if i == ( len ( self . tax_doclist ) - 1 ) and self . discount_amount_applied :
self . adjust_discount_amount_loss ( tax )
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def round_off_totals ( self , tax ) :
tax . total = flt ( tax . total , self . precision ( " total " , tax ) )
tax . tax_amount = flt ( tax . tax_amount , self . precision ( " tax_amount " , tax ) )
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tax . tax_amount_after_discount_amount = flt ( tax . tax_amount_after_discount_amount ,
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self . precision ( " tax_amount " , tax ) )
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def adjust_discount_amount_loss ( self , tax ) :
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discount_amount_loss = self . grand_total - flt ( self . discount_amount ) - tax . total
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tax . tax_amount_after_discount_amount = flt ( tax . tax_amount_after_discount_amount +
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discount_amount_loss , self . precision ( " tax_amount " , tax ) )
tax . total = flt ( tax . total + discount_amount_loss , self . precision ( " total " , tax ) )
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def get_current_tax_amount ( self , item , tax , item_tax_map ) :
tax_rate = self . _get_tax_rate ( tax , item_tax_map )
current_tax_amount = 0.0
if tax . charge_type == " Actual " :
# distribute the tax amount proportionally to each item row
actual = flt ( tax . rate , self . precision ( " tax_amount " , tax ) )
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current_tax_amount = ( self . net_total
and ( ( item . base_amount / self . net_total ) * actual )
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or 0 )
elif tax . charge_type == " On Net Total " :
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current_tax_amount = ( tax_rate / 100.0 ) * item . base_amount
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elif tax . charge_type == " On Previous Row Amount " :
current_tax_amount = ( tax_rate / 100.0 ) * \
self . tax_doclist [ cint ( tax . row_id ) - 1 ] . tax_amount_for_current_item
elif tax . charge_type == " On Previous Row Total " :
current_tax_amount = ( tax_rate / 100.0 ) * \
self . tax_doclist [ cint ( tax . row_id ) - 1 ] . grand_total_for_current_item
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current_tax_amount = flt ( current_tax_amount , self . precision ( " tax_amount " , tax ) )
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# store tax breakup for each item
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key = item . item_code or item . item_name
if tax . item_wise_tax_detail . get ( key ) :
item_wise_tax_amount = tax . item_wise_tax_detail [ key ] [ 1 ] + current_tax_amount
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tax . item_wise_tax_detail [ key ] = [ tax_rate , item_wise_tax_amount ]
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else :
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tax . item_wise_tax_detail [ key ] = [ tax_rate , current_tax_amount ]
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return current_tax_amount
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def _load_item_tax_rate ( self , item_tax_rate ) :
return json . loads ( item_tax_rate ) if item_tax_rate else { }
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def _get_tax_rate ( self , tax , item_tax_map ) :
if item_tax_map . has_key ( tax . account_head ) :
return flt ( item_tax_map . get ( tax . account_head ) , self . precision ( " rate " , tax ) )
else :
return tax . rate
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def _cleanup ( self ) :
for tax in self . tax_doclist :
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tax . item_wise_tax_detail = json . dumps ( tax . item_wise_tax_detail , separators = ( ' , ' , ' : ' ) )
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def _set_in_company_currency ( self , item , print_field , base_field ) :
""" set values in base currency """
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value_in_company_currency = flt ( self . conversion_rate *
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flt ( item . get ( print_field ) , self . precision ( print_field , item ) ) ,
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self . precision ( base_field , item ) )
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item . set ( base_field , value_in_company_currency )
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def calculate_total_advance ( self , parenttype , advance_parentfield ) :
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if self . doctype == parenttype and self . docstatus < 2 :
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sum_of_allocated_amount = sum ( [ flt ( adv . allocated_amount , self . precision ( " allocated_amount " , adv ) )
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for adv in self . get ( advance_parentfield ) ] )
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self . total_advance = flt ( sum_of_allocated_amount , self . precision ( " total_advance " ) )
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self . calculate_outstanding_amount ( )
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def get_gl_dict ( self , args ) :
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""" this method populates the common properties of a gl entry record """
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gl_dict = frappe . _dict ( {
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' company ' : self . company ,
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' posting_date ' : self . posting_date ,
' voucher_type ' : self . doctype ,
' voucher_no ' : self . name ,
' aging_date ' : self . get ( " aging_date " ) or self . posting_date ,
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' remarks ' : self . get ( " remarks " ) ,
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' fiscal_year ' : self . fiscal_year ,
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' debit ' : 0 ,
' credit ' : 0 ,
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' is_opening ' : self . get ( " is_opening " ) or " No " ,
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} )
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gl_dict . update ( args )
return gl_dict
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def clear_unallocated_advances ( self , childtype , parentfield ) :
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self . set ( parentfield , self . get ( parentfield , { " allocated_amount " : [ " not in " , [ 0 , None , " " ] ] } ) )
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frappe . db . sql ( """ delete from `tab %s ` where parentfield= %s and parent = %s
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and ifnull ( allocated_amount , 0 ) = 0 """ % (childtype, ' %s ' , ' %s ' ), (parentfield, self.name))
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def get_advances ( self , account_head , child_doctype , parentfield , dr_or_cr ) :
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res = frappe . db . sql ( """
select
t1 . name as jv_no , t1 . remark , t2 . % s as amount , t2 . name as jv_detail_no
from
` tabJournal Voucher ` t1 , ` tabJournal Voucher Detail ` t2
where
t1 . name = t2 . parent and t2 . account = % s and t2 . is_advance = ' Yes ' and t1 . docstatus = 1
and ifnull ( t2 . against_voucher , ' ' ) = ' '
and ifnull ( t2 . against_invoice , ' ' ) = ' '
and ifnull ( t2 . against_jv , ' ' ) = ' '
order by t1 . posting_date """ %
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( dr_or_cr , ' %s ' ) , account_head , as_dict = 1 )
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self . set ( parentfield , [ ] )
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for d in res :
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self . append ( parentfield , {
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" doctype " : child_doctype ,
" journal_voucher " : d . jv_no ,
" jv_detail_no " : d . jv_detail_no ,
" remarks " : d . remark ,
" advance_amount " : flt ( d . amount ) ,
" allocate_amount " : 0
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} )
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def validate_multiple_billing ( self , ref_dt , item_ref_dn , based_on , parentfield ) :
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from erpnext . controllers . status_updater import get_tolerance_for
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item_tolerance = { }
global_tolerance = None
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for item in self . get ( " entries " ) :
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if item . get ( item_ref_dn ) :
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ref_amt = flt ( frappe . db . get_value ( ref_dt + " Item " ,
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item . get ( item_ref_dn ) , based_on ) , self . precision ( based_on , item ) )
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if not ref_amt :
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frappe . msgprint ( _ ( " Warning: System will not check overbilling since amount for Item {0} in {1} is zero " ) . format ( item . item_code , ref_dt ) )
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else :
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already_billed = frappe . db . sql ( """ select sum( %s ) from `tab %s `
where % s = % s and docstatus = 1 and parent != % s """ %
( based_on , self . tname , item_ref_dn , ' %s ' , ' %s ' ) ,
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( item . get ( item_ref_dn ) , self . name ) ) [ 0 ] [ 0 ]
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total_billed_amt = flt ( flt ( already_billed ) + flt ( item . get ( based_on ) ) ,
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self . precision ( based_on , item ) )
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tolerance , item_tolerance , global_tolerance = get_tolerance_for ( item . item_code ,
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item_tolerance , global_tolerance )
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max_allowed_amt = flt ( ref_amt * ( 100 + tolerance ) / 100 )
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if total_billed_amt - max_allowed_amt > 0.01 :
reduce_by = total_billed_amt - max_allowed_amt
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frappe . throw ( _ ( " Cannot overbill for Item {0} in row {0} more than {1} . To allow overbilling, please set in ' Setup ' > ' Global Defaults ' " ) . format ( item . item_code , item . row , max_allowed_amt ) )
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def get_company_default ( self , fieldname ) :
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from erpnext . accounts . utils import get_company_default
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return get_company_default ( self . company , fieldname )
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def get_stock_items ( self ) :
stock_items = [ ]
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item_codes = list ( set ( item . item_code for item in
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self . get ( self . fname ) ) )
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if item_codes :
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stock_items = [ r [ 0 ] for r in frappe . db . sql ( """ select name
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from ` tabItem ` where name in ( % s ) and is_stock_item = ' Yes ' """ % \
( " , " . join ( ( [ " %s " ] * len ( item_codes ) ) ) , ) , item_codes ) ]
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return stock_items
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@property
def company_abbr ( self ) :
if not hasattr ( self , " _abbr " ) :
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self . _abbr = frappe . db . get_value ( " Company " , self . company , " abbr " )
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return self . _abbr
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def check_credit_limit ( self , account ) :
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total_outstanding = frappe . db . sql ( """
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select sum ( ifnull ( debit , 0 ) ) - sum ( ifnull ( credit , 0 ) )
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from ` tabGL Entry ` where account = % s """ , account)
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total_outstanding = total_outstanding [ 0 ] [ 0 ] if total_outstanding else 0
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if total_outstanding :
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frappe . get_doc ( ' Account ' , account ) . check_credit_limit ( total_outstanding )
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@frappe.whitelist ( )
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def get_tax_rate ( account_head ) :
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return frappe . db . get_value ( " Account " , account_head , " tax_rate " )
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@frappe.whitelist ( )
def get_taxes_and_charges ( master_doctype , master_name , tax_parentfield ) :
from frappe . model import default_fields
tax_master = frappe . get_doc ( master_doctype , master_name )
taxes_and_charges = [ ]
for i , tax in enumerate ( tax_master . get ( tax_parentfield ) ) :
tax = tax . as_dict ( )
for fieldname in default_fields :
if fieldname in tax :
del tax [ fieldname ]
taxes_and_charges . append ( tax )
return taxes_and_charges