add RTE to invoice

FossilOrigin-Name: 8d9aa1694a61e0e358e4cc8c5ecb1b3544d18e353535491f5b8a576c5b5fe446

facho/fe/data/dian/codelist/TipoImpuesto-2.1.gc

@@ -75,7 +75,7 @@
 				<SimpleValue>06</SimpleValue>
 			</Value>
 			<Value ColumnRef="name">
-				<SimpleValue>ReteFuente</SimpleValue>
+				<SimpleValue>ReteRenta</SimpleValue>
 			</Value>
 		</Row>
 		<Row>
@@ -158,6 +158,7 @@
 				<SimpleValue>Impuesto al Consumo de Datos</SimpleValue>
 			</Value>
 		</Row>
+ 
 		<Row>
 			<Value ColumnRef="code">
 				<SimpleValue>ZZ</SimpleValue>

facho/fe/form/__init__.py

@@ -1,6 +1,5 @@
 # This file is part of facho.  The COPYRIGHT file at the top level of
 # this repository contains the full copyright notices and license terms.
-
 import hashlib
 from functools import reduce
 import copy
@@ -11,7 +10,6 @@ from collections import defaultdict
 import decimal
 from decimal import Decimal
 import typing
-
 from ..data.dian import codelist
 
 DECIMAL_PRECISION = 6
@@ -266,7 +264,6 @@ class TaxScheme:
     code: str
     name: str = ''
 
-
     def __post_init__(self):
         if self.code not in codelist.TipoImpuesto:
             raise ValueError("code not found")
@@ -325,7 +322,6 @@ class TaxTotal:
 
     def calculate(self, invline):
         self.taxable_amount = invline.total_amount
-
         for subtax in self.subtotals:
             subtax.calculate(invline)
             self.tax_amount += subtax.tax_amount
@@ -338,6 +334,36 @@ class TaxTotalOmit(TaxTotal):
     def calculate(self, invline):
         pass
 
+@dataclass
+class WithholdingTaxSubTotal:
+    percent: float
+    scheme: typing.Optional[TaxScheme] = None
+    tax_amount: Amount = Amount(0.0)
+
+    def calculate(self, invline):
+        if self.percent is not None:
+            self.tax_amount = invline.total_amount * Amount(self.percent / 100)
+        
+@dataclass
+class WithholdingTaxTotal:
+    subtotals: list
+    tax_amount: Amount = Amount(0.0)
+    taxable_amount: Amount = Amount(0.0)
+
+    def calculate(self, invline):
+        self.taxable_amount = invline.total_amount
+
+        for subtax in self.subtotals:
+            subtax.calculate(invline)
+            self.tax_amount += subtax.tax_amount
+    
+class WithholdingTaxTotalOmit(WithholdingTaxTotal):
+    def __init__(self):
+        super().__init__([])
+
+    def calculate(self, invline):
+        pass
+
 @dataclass
 class Price:
     amount: Amount
@@ -474,7 +500,7 @@ class InvoiceLine:
     # la factura y el percent es unico por type_code
     # de subtotal
     tax: typing.Optional[TaxTotal]
-
+    withholding: typing.Optional[WithholdingTaxTotal]
     allowance_charge: typing.List[AllowanceCharge] = dataclasses.field(default_factory=list)
 
     def add_allowance_charge(self, charge):
@@ -518,8 +544,17 @@ class InvoiceLine:
     def taxable_amount(self):
         return self.tax.taxable_amount
 
+    @property
+    def withholding_amount(self):
+        return self.withholding.tax_amount
+
+    @property
+    def withholding_taxable_amount(self):
+        return self.withholding.taxable_amount
+
     def calculate(self):
         self.tax.calculate(self)
+        self.withholding.calculate(self)
 
     def __post_init__(self):
         if not isinstance(self.quantity, Quantity):
@@ -528,6 +563,9 @@ class InvoiceLine:
         if self.tax is None:
             self.tax = TaxTotalOmit()
             
+        if self.withholding is None:
+            self.withholding = WithholdingTaxTotalOmit()
+
 @dataclass
 class LegalMonetaryTotal:
     line_extension_amount: Amount = Amount(0.0)

facho/fe/form_xml/invoice.py

@@ -147,7 +147,6 @@ class DIANInvoiceXML(fe.FeXML):
         fexml.set_element('./cac:AccountingSupplierParty/cac:Party/cac:PartyTaxScheme/cac:TaxScheme/cbc:ID',
                           invoice.invoice_customer.tax_scheme.code)
 
-
         #DIAN 1.7.-2020: CAJ41
         fexml.set_element('./cac:AccountingSupplierParty/cac:Party/cac:PartyTaxScheme/cac:TaxScheme/cbc:Name',
                           invoice.invoice_customer.tax_scheme.name)
@@ -421,6 +420,7 @@ class DIANInvoiceXML(fe.FeXML):
 
     def set_invoice_totals(fexml, invoice):
         tax_amount_for = defaultdict(lambda: defaultdict(lambda: Amount(0.0)))
+        withholding_amount_for = defaultdict(lambda: defaultdict(lambda: Amount(0.0)))
         percent_for = defaultdict(lambda: None)
 
         #requeridos para CUFE
@@ -433,6 +433,7 @@ class DIANInvoiceXML(fe.FeXML):
         #tax_amount_for['03']['taxable_amount'] += 0.0
 
         total_tax_amount = Amount(0.0)
+        total_withholding_amount = Amount(0.0)
 
         for invoice_line in invoice.invoice_lines:
             for subtotal in invoice_line.tax.subtotals:
@@ -445,12 +446,22 @@ class DIANInvoiceXML(fe.FeXML):
 
                 total_tax_amount += subtotal.tax_amount
 
+            for subtotal_withholding in invoice_line.withholding.subtotals:
+                if subtotal_withholding.scheme is not None:
+                    withholding_amount_for[subtotal_withholding.scheme.code]['tax_amount'] += subtotal_withholding.tax_amount
+                    withholding_amount_for[subtotal_withholding.scheme.code]['taxable_amount'] += invoice_line.withholding_taxable_amount
+
+                    # MACHETE ojo InvoiceLine.tax pasar a Invoice
+                    
+                    percent_for[subtotal_withholding.scheme.code] = subtotal_withholding.percent
+
+                total_withholding_amount += subtotal_withholding.tax_amount
+
         if total_tax_amount != Amount(0.0):
             fexml.placeholder_for('./cac:TaxTotal')
             fexml.set_element_amount('./cac:TaxTotal/cbc:TaxAmount',
                     total_tax_amount)
         
-        
         for index, item in enumerate(tax_amount_for.items()):
             cod_impuesto, amount_of = item
             next_append = index > 0
@@ -488,6 +499,43 @@ class DIANInvoiceXML(fe.FeXML):
             line.set_element('/cac:TaxTotal/cac:TaxSubtotal/cac:TaxCategory/cac:TaxScheme/cbc:Name',
                     'IVA')
             
+        for index, item in enumerate(withholding_amount_for.items()):
+            cod_impuesto, amount_of = item
+            next_append = index > 0
+
+            #DIAN 1.7.-2020: FAS01
+            line = fexml.fragment('./cac:WithholdingTaxTotal', append=next_append)
+            #DIAN 1.7.-2020: FAU06
+            tax_amount = amount_of['tax_amount']
+            fexml.set_element_amount_for(line,
+                                         '/cac:WithholdingTaxTotal/cbc:TaxAmount',
+                                         tax_amount)
+
+            #DIAN 1.7.-2020: FAS05
+            fexml.set_element_amount_for(line,
+                                         '/cac:WithholdingTaxTotal/cac:TaxSubtotal/cbc:TaxableAmount',
+                                         amount_of['taxable_amount'])
+
+            #DIAN 1.7.-2020: FAU06
+            fexml.set_element_amount_for(line,
+                                         '/cac:WithholdingTaxTotal/cac:TaxSubtotal/cbc:TaxAmount',
+                                         amount_of['tax_amount'])
+
+            #DIAN 1.7.-2020: FAS07
+            if percent_for[cod_impuesto]:
+                line.set_element('/cac:WithholdingTaxTotal/cac:TaxSubtotal/cbc:Percent',
+                                 percent_for[cod_impuesto])
+
+
+            if percent_for[cod_impuesto]:
+                line.set_element('/cac:WithholdingTaxTotal/cac:TaxSubtotal/cac:TaxCategory/cbc:Percent',
+                                 percent_for[cod_impuesto])
+                
+            line.set_element('/cac:WithholdingTaxTotal/cac:TaxSubtotal/cac:TaxCategory/cac:TaxScheme/cbc:ID',
+                    cod_impuesto)
+            line.set_element('/cac:WithholdingTaxTotal/cac:TaxSubtotal/cac:TaxCategory/cac:TaxScheme/cbc:Name',
+                    'ReteRenta')
+
     # abstract method
     def tag_document(fexml):
         return 'Invoice'
@@ -516,6 +564,28 @@ class DIANInvoiceXML(fe.FeXML):
                 line.set_element('./cac:TaxTotal/cac:TaxSubtotal/cac:TaxCategory/cac:TaxScheme/cbc:ID', subtotal.scheme.code)
                 line.set_element('./cac:TaxTotal/cac:TaxSubtotal/cac:TaxCategory/cac:TaxScheme/cbc:Name', subtotal.scheme.name)
 
+
+    def set_invoice_line_withholding(fexml, line, invoice_line):
+        fexml.set_element_amount_for(line,
+                                     './cac:WithholdingTaxTotal/cbc:TaxAmount',
+                                     invoice_line.withholding_amount)
+        #DIAN 1.7.-2020: FAX05
+        fexml.set_element_amount_for(line,
+                                     './cac:WithholdingTaxTotal/cac:TaxSubtotal/cbc:TaxableAmount',
+                                     invoice_line.withholding_taxable_amount)
+
+        for subtotal in invoice_line.withholding.subtotals:
+            line.set_element('./cac:WithholdingTaxTotal/cac:TaxSubtotal/cbc:TaxAmount', subtotal.tax_amount, currencyID='COP')
+
+            if subtotal.percent is not None:
+                line.set_element('./cac:WithholdingTaxTotal/cac:TaxSubtotal/cac:TaxCategory/cbc:Percent', '%0.2f' % round(subtotal.percent, 2))
+
+            if subtotal.scheme is not None:
+                #DIAN 1.7.-2020: FAX15
+                line.set_element('./cac:WithholdingTaxTotal/cac:TaxSubtotal/cac:TaxCategory/cac:TaxScheme/cbc:ID', subtotal.scheme.code)
+                line.set_element('./cac:WithholdingTaxTotal/cac:TaxSubtotal/cac:TaxCategory/cac:TaxScheme/cbc:Name', subtotal.scheme.name)
+
+                
     def set_invoice_lines(fexml, invoice):
         next_append = False
         for index, invoice_line in enumerate(invoice.invoice_lines):
@@ -531,6 +601,9 @@ class DIANInvoiceXML(fe.FeXML):
             if not isinstance(invoice_line.tax, TaxTotalOmit):
                 fexml.set_invoice_line_tax(line, invoice_line)
 
+            if not isinstance(invoice_line.withholding, WithholdingTaxTotalOmit):
+                fexml.set_invoice_line_withholding(line, invoice_line)
+
             line.set_element('./cac:Item/cbc:Description', invoice_line.item.description)
 
             line.set_element('./cac:Item/cac:StandardItemIdentification/cbc:ID',

facho/fe/form_xml/support_document.py

@@ -499,6 +499,5 @@ class DIANSupportDocumentXML(fe.FeXML):
         return fexml
 
     def customize(fexml, invoice):
-        
         """adiciona etiquetas a FEXML y retorna FEXML
         en caso de fallar validacion retorna None"""