alnus@disroot.org
eb01812bac
FossilOrigin-Name: bea0170669a54874c51b25483cb0b647dddc5161cb8fc1b55f67a9c4101d3358
432 lines
18 KiB
Python
432 lines
18 KiB
Python
# This file is part of facho. The COPYRIGHT file at the top level of
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# this repository contains the full copyright notices and license terms.
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import hashlib
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from functools import reduce
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import copy
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from dataclasses import dataclass
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from datetime import datetime
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from .data.dian import codelist
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from . import fe
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@dataclass
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class Item:
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description: str
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id: str
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@dataclass
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class StandardItem(Item):
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pass
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@dataclass
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class Country:
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code: str
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name: str
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@dataclass
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class Address:
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name: str
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street: str = ''
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city: str = ''
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department: str = ''
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country: Country = Country('CO', 'COLOMBIA')
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@dataclass
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class PartyIdentification:
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number: str
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dv: str
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def __str__(self):
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return self.number
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def __eq__(self, other):
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return str(self) == str(other)
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def full(self):
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return "%s%s" % [self.number, self.dv]
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@dataclass
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class Party:
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name: str
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ident: str
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responsability_code: str
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organization_code: str
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phone: str = ''
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address: Address= Address('')
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email: str = ''
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legal_name: str = ''
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legal_company_ident: str = ''
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legal_address: str = ''
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@dataclass
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class TaxSubTotal:
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percent: float
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tax_scheme_ident: str = '01'
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tax_scheme_name: str = 'IVA'
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tax_amount: float = 0.0
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taxable_amount: float = 0.0
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def calculate(self, invline):
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self.tax_amount = invline.total_amount * (self.percent / 100)
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self.taxable_amount = invline.total_amount
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@dataclass
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class TaxTotal:
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subtotals: list
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tax_amount: float = 0.0
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taxable_amount: float = 0.0
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def calculate(self, invline):
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for subtax in self.subtotals:
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subtax.calculate(invline)
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self.tax_amount += subtax.tax_amount
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self.taxable_amount += subtax.taxable_amount
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@dataclass
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class Price:
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amount: float
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type_code: str
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type: str
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@dataclass
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class PaymentMean:
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DEBIT = '01'
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CREDIT = '02'
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def __init__(self, id: str, code: str, due_at: datetime, payment_id: str):
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self.id = id
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self.code = code
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self.due_at = due_at
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self.payment_id = payment_id
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@dataclass
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class Payment:
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amount: float
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at: datetime
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@dataclass
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class PrePaidPayment(Payment):
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pass
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@dataclass
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class InvoiceLine:
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# RESOLUCION 0004: pagina 155
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quantity: int
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description: str
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item: Item
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price: Price
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tax: TaxTotal
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@property
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def total_amount(self):
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return self.quantity * self.price.amount
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@property
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def total_tax_inclusive_amount(self):
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return self.tax.taxable_amount + self.tax.tax_amount
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@property
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def total_tax_exclusive_amount(self):
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return self.tax.taxable_amount
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@property
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def tax_amount(self):
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return self.tax.tax_amount
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@property
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def taxable_amount(self):
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return self.tax.taxable_amount
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def calculate(self):
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self.tax.calculate(self)
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@dataclass
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class LegalMonetaryTotal:
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line_extension_amount: float = 0.0
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tax_exclusive_amount: float = 0.0
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tax_inclusive_amount: float = 0.0
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charge_total_amount: float = 0.0
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payable_amount: float = 0.0
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class Invoice:
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def __init__(self):
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self.invoice_period_start = None
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self.invoice_period_end = None
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self.invoice_issue = None
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self.invoice_ident = None
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self.invoice_legal_monetary_total = LegalMonetaryTotal(0, 0, 0, 0, 0)
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self.invoice_customer = None
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self.invoice_supplier = None
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self.invoice_payment_mean = None
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self.invoice_payments = []
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self.invoice_lines = []
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def set_period(self, startdate, enddate):
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self.invoice_period_start = startdate
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self.invoice_period_end = enddate
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def set_issue(self, dtime: datetime):
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self.invoice_issue = dtime
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def set_ident(self, ident: str):
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self.invoice_ident = ident
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def set_supplier(self, party: Party):
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self.invoice_supplier = party
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def set_customer(self, party: Party):
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self.invoice_customer = party
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def set_payment_mean(self, payment_mean: PaymentMean):
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self.invoice_payment_mean = payment_mean
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def add_invoice_line(self, line: InvoiceLine):
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self.invoice_lines.append(line)
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def accept(self, visitor):
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visitor.visit_payment_mean(self.invoice_payment_mean)
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visitor.visit_customer(self.invoice_customer)
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visitor.visit_supplier(self.invoice_supplier)
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for payment in self.invoice_payments:
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visitor.visit_payment(payment)
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for invline in self.invoice_lines:
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visitor.visit_invoice_line(invline)
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def _calculate_legal_monetary_total(self):
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for invline in self.invoice_lines:
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self.invoice_legal_monetary_total.line_extension_amount += invline.total_amount
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self.invoice_legal_monetary_total.tax_exclusive_amount += invline.total_tax_exclusive_amount
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self.invoice_legal_monetary_total.tax_inclusive_amount += invline.total_tax_inclusive_amount
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self.invoice_legal_monetary_total.charge_total_amount += invline.total_amount
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#self.invoice_legal_monetary_total.payable_amount = self.invoice_legal_monetary_total.tax_exclusive_amount \
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# + self.invoice_legal_monetary_total.line_extension_amount \
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# + self.invoice_legal_monetary_total.tax_inclusive_amount
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self.invoice_legal_monetary_total.payable_amount = self.invoice_legal_monetary_total.tax_inclusive_amount
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def calculate(self):
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for invline in self.invoice_lines:
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invline.calculate()
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self._calculate_legal_monetary_total()
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class DianResolucion0001Validator:
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def __init__(self):
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self.errors = []
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def _validate_party(self, model, party):
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try:
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codelist.TipoResponsabilidad[party.responsability_code]
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except KeyError:
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self.errors.append((model,
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'responsability_code',
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'not found %s' % (party.responsability_code)))
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try:
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codelist.TipoOrganizacion[party.organization_code]
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except KeyError:
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self.errors.append((model, 'organization_code' ,
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'not found %s' % (party.organization_code)))
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def validate(self, invoice):
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invoice.accept(self)
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return not self.errors
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def visit_payment_mean(self, mean):
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try:
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codelist.MediosPago[mean.code]
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except KeyError:
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self.errors.append(('payment_mean', 'code',
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'not found %s' % (mean.code)))
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def visit_customer(self, customer):
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self._validate_party('customer', customer)
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def visit_supplier(self, supplier):
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self._validate_party('supplier', supplier)
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def visit_payment(self, payment):
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pass
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def visit_invoice_line(self, line):
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try:
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codelist.CodigoPrecioReferencia[line.price.type_code]
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except KeyError:
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self.errors.append(('invoice_line', 'line.price',
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'not found %s' % (line.price.type_code)))
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def valid(self):
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return not self.errors
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class DIANInvoiceXML(fe.FeXML):
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"""
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DianInvoiceXML mapea objeto form.Invoice a XML segun
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lo indicado para la facturacion electronica.
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"""
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def __init__(self, invoice):
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super().__init__('Invoice', 'http://www.dian.gov.co/contratos/facturaelectronica/v1')
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self.attach_invoice(invoice)
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def set_supplier(fexml, invoice):
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fexml.set_element('/fe:Invoice/cac:AccountingSupplierParty/cbc:AdditionalAccountID',
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invoice.invoice_supplier.organization_code)
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fexml.set_element('/fe:Invoice/cac:AccountingSupplierParty/cac:Party/cac:PartyName/cbc:Name',
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invoice.invoice_supplier.name)
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fexml.set_element('/fe:Invoice/cac:AccountingSupplierParty/cac:Party/cac:PhysicalLocation/cac:Address/cac:AddressLine/cbc:Line',
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invoice.invoice_supplier.address.street)
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supplier_company_id_attrs = fe.SCHEME_AGENCY_ATTRS.copy()
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supplier_company_id_attrs.update({'schemeID': invoice.invoice_supplier.ident.dv,
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'schemeName': '31'})
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fexml.set_element('/fe:Invoice/cac:AccountingSupplierParty/cac:Party/cac:PartyLegalEntity/cbc:CompanyID',
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invoice.invoice_supplier.ident,
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**supplier_company_id_attrs)
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fexml.set_element('/fe:Invoice/cac:AccountingSupplierParty/cac:Party/cac:PartyTaxScheme/cbc:RegistrationName',
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invoice.invoice_supplier.legal_name)
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fexml.set_element('/fe:Invoice/cac:AccountingSupplierParty/cac:Party/cac:PartyTaxScheme/cbc:CompanyID',
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invoice.invoice_supplier.ident,
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**supplier_company_id_attrs)
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fexml.set_element('/fe:Invoice/cac:AccountingSupplierParty/cac:Party/cac:PartyTaxScheme/cbc:TaxLevelCode',
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invoice.invoice_supplier.responsability_code)
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fexml.placeholder_for('/fe:Invoice/cac:AccountingSupplierParty/cac:Party/cac:PartyTaxScheme/cac:TaxScheme')
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fexml.set_element('/fe:Invoice/cac:AccountingSupplierParty/cac:Party/cac:PartyLegalEntity/cbc:RegistrationName',
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invoice.invoice_supplier.legal_name)
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fexml.set_element('/fe:Invoice/cac:AccountingSupplierParty/cac:Party/cac:Contact/cbc:ElectronicMail',
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invoice.invoice_supplier.email)
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fexml.set_element('/fe:Invoice/cac:AccountingSupplierParty/cac:Party/cac:PartyLegalEntity/cac:RegistrationAddress/cbc:CityName', invoice.invoice_supplier.address.city)
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fexml.set_element('/fe:Invoice/cac:AccountingSupplierParty/cac:Party/cac:PartyLegalEntity/cac:RegistrationAddress/cac:AddressLine/cbc:Line', invoice.invoice_supplier.address.street)
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fexml.set_element('/fe:Invoice/cac:AccountingSupplierParty/cac:Party/cac:PartyLegalEntity/cac:RegistrationAddress/cac:Country/cbc:IdentificationCode', invoice.invoice_supplier.address.country.code)
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fexml.set_element('/fe:Invoice/cac:AccountingSupplierParty/cac:Party/cac:PartyLegalEntity/cac:RegistrationAddress/cac:Country/cbc:Name', invoice.invoice_supplier.address.country.name)
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def set_customer(fexml, invoice):
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fexml.set_element('/fe:Invoice/cac:AccountingCustomerParty/cbc:AdditionalAccountID',
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invoice.invoice_customer.organization_code)
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fexml.set_element('/fe:Invoice/cac:AccountingCustomerParty/cac:Party/cac:PartyName/cbc:Name',
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invoice.invoice_customer.name)
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fexml.set_element('/fe:Invoice/cac:AccountingCustomerParty/cac:Party/cac:PhysicalLocation/cac:Address/cac:AddressLine/cbc:Line',
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invoice.invoice_customer.address.street)
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fexml.set_element('/fe:Invoice/cac:AccountingCustomerParty/cac:Party/cac:PartyTaxScheme/cbc:CompanyID',
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invoice.invoice_customer.ident,
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**fe.SCHEME_AGENCY_ATTRS)
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fexml.set_element('/fe:Invoice/cac:AccountingCustomerParty/cac:Party/cac:PartyTaxScheme/cbc:RegistrationName',
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invoice.invoice_customer.legal_name)
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fexml.set_element('/fe:Invoice/cac:AccountingCustomerParty/cac:Party/cac:PartyTaxScheme/cbc:TaxLevelCode',
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invoice.invoice_customer.responsability_code)
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fexml.placeholder_for('/fe:Invoice/cac:AccountingCustomerParty/cac:Party/cac:PartyTaxScheme/cac:TaxScheme')
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fexml.set_element('/fe:Invoice/cac:AccountingCustomerParty/cac:Party/cac:PartyLegalEntity/cbc:RegistrationName',
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invoice.invoice_customer.legal_name)
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fexml.set_element('/fe:Invoice/cac:AccountingCustomerParty/cac:Party/cac:PartyLegalEntity/cac:RegistrationAddress/cbc:CityName', invoice.invoice_customer.address.city)
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fexml.set_element('/fe:Invoice/cac:AccountingCustomerParty/cac:Party/cac:PartyLegalEntity/cac:RegistrationAddress/cac:AddressLine/cbc:Line', invoice.invoice_customer.address.street)
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fexml.set_element('/fe:Invoice/cac:AccountingCustomerParty/cac:Party/cac:PartyLegalEntity/cac:RegistrationAddress/cac:AddressLine/cbc:Line', invoice.invoice_customer.address.street)
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fexml.set_element('/fe:Invoice/cac:AccountingCustomerParty/cac:Party/cac:PartyLegalEntity/cac:RegistrationAddress/cac:Country/cbc:IdentificationCode', invoice.invoice_customer.address.country.code)
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fexml.set_element('/fe:Invoice/cac:AccountingCustomerParty/cac:Party/cac:PartyLegalEntity/cac:RegistrationAddress/cac:Country/cbc:Name', invoice.invoice_customer.address.country.name)
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def set_payment_mean(fexml, invoice):
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payment_mean = invoice.invoice_payment_mean
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fexml.set_element('/fe:Invoice/cac:PaymentMeans/cbc:ID', payment_mean.id)
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fexml.set_element('/fe:Invoice/cac:PaymentMeans/cbc:PaymentMeansCode', payment_mean.code)
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fexml.set_element('/fe:Invoice/cac:PaymentMeans/cbc:PaymentDueDate', payment_mean.due_at.strftime('%Y-%m-%d'))
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fexml.set_element('/fe:Invoice/cac:PaymentMeans/cbc:PaymentID', payment_mean.payment_id)
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def set_legal_monetary(fexml, invoice):
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fexml.set_element('/fe:Invoice/cac:LegalMonetaryTotal/cbc:LineExtensionAmount',
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invoice.invoice_legal_monetary_total.line_extension_amount,
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currencyID='COP')
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fexml.set_element('/fe:Invoice/cac:LegalMonetaryTotal/cbc:TaxExclusiveAmount',
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invoice.invoice_legal_monetary_total.tax_exclusive_amount,
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currencyID='COP')
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fexml.set_element('/fe:Invoice/cac:LegalMonetaryTotal/cbc:TaxInclusiveAmount',
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invoice.invoice_legal_monetary_total.tax_inclusive_amount,
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currencyID='COP')
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fexml.set_element('/fe:Invoice/cac:LegalMonetaryTotal/cbc:ChargeTotalAmount',
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invoice.invoice_legal_monetary_total.charge_total_amount,
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currencyID='COP')
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fexml.set_element('/fe:Invoice/cac:LegalMonetaryTotal/cbc:PayableAmount',
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invoice.invoice_legal_monetary_total.payable_amount,
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currencyID='COP')
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def set_invoice_lines(fexml, invoice):
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next_append = False
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for index, invoice_line in enumerate(invoice.invoice_lines):
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line = fexml.fragment('/fe:Invoice/cac:InvoiceLine', append=next_append)
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next_append = True
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line.set_element('/cac:InvoiceLine/cbc:ID', index + 1)
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line.set_element('/cac:InvoiceLine/cbc:InvoicedQuantity', invoice_line.quantity, unitCode = 'NAR')
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line.set_element('/cac:InvoiceLine/cbc:LineExtensionAmount', invoice_line.total_amount, currencyID="COP")
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line.set_element('/cac:InvoiceLine/cac:TaxTotal/cbc:TaxAmount', invoice_line.tax_amount, currencyID='COP')
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condition_price = line.fragment('/cac:InvoiceLine/cac:PricingReference/cac:AlternativeConditionPrice')
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condition_price.set_element('/cac:AlternativeConditionPrice/cbc:PriceAmount', invoice_line.price.amount, currencyID='COP')
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condition_price.set_element('/cac:AlternativeConditionPrice/cbc:PriceTypeCode', invoice_line.price.type_code)
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condition_price.set_element('/cac:AlternativeConditionPrice/cbc:PriceType', invoice_line.price.type)
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for subtotal in invoice_line.tax.subtotals:
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line.set_element('/cac:InvoiceLine/cac:TaxTotal/cac:TaxSubtotal/cbc:TaxableAmount', subtotal.taxable_amount, currencyID='COP')
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line.set_element('/cac:InvoiceLine/cac:TaxTotal/cac:TaxSubtotal/cbc:TaxAmount', subtotal.tax_amount, currencyID='COP')
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line.set_element('/cac:InvoiceLine/cac:TaxTotal/cac:TaxSubtotal/cac:TaxCategory/cbc:Percent', subtotal.percent)
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line.set_element('/cac:InvoiceLine/cac:TaxTotal/cac:TaxSubtotal/cac:TaxCategory/cac:TaxScheme/cbc:ID', subtotal.tax_scheme_ident)
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line.set_element('/cac:InvoiceLine/cac:TaxTotal/cac:TaxSubtotal/cac:TaxCategory/cac:TaxScheme/cbc:Name', subtotal.tax_scheme_name)
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line.set_element('/cac:InvoiceLine/cac:Item/cbc:Description', invoice_line.item.description)
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# TODO
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line.set_element('/cac:InvoiceLine/cac:Item/cac:StandardItemIdentification/cbc:ID', invoice_line.item.id)
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line.set_element('/cac:InvoiceLine/cac:Price/cbc:PriceAmount', invoice_line.price.amount, currencyID="COP")
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def attach_invoice(fexml, invoice):
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"""adiciona etiquetas a FEXML y retorna FEXML
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en caso de fallar validacion retorna None"""
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invoice.calculate()
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fexml.placeholder_for('/fe:Invoice/ext:UBLExtensions')
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fexml.set_element('/fe:Invoice/cbc:UBLVersionID', 'UBL 2.1')
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fexml.placeholder_for('/fe:Invoice/cbc:ProfileID')
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fexml.placeholder_for('/fe:Invoice/cbc:ProfileExecutionID')
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fexml.set_element('/fe:Invoice/cbc:ID', invoice.invoice_ident)
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fexml.placeholder_for('/fe:Invoice/cbc:UUID')
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fexml.set_element('/fe:Invoice/cbc:DocumentCurrencyCode', 'COP')
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fexml.set_element('/fe:Invoice/cbc:IssueDate', invoice.invoice_issue.strftime('%Y-%m-%d'))
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fexml.set_element('/fe:Invoice/cbc:IssueTime', invoice.invoice_issue.strftime('%H:%M:%S%z'))
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fexml.set_element('/fe:Invoice/cbc:InvoiceTypeCode', codelist.TipoDocumento.by_name('Factura de Venta Nacional')['code'],
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listAgencyID='195',
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listAgencyName='No matching global declaration available for the validation root',
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listURI='http://www.dian.gov.co')
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fexml.set_element('/fe:Invoice/cbc:LineCountNumeric', len(invoice.invoice_lines))
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fexml.set_element('/fe:Invoice/cac:InvoicePeriod/cbc:StartDate', invoice.invoice_period_start.strftime('%Y-%m-%d'))
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fexml.set_element('/fe:Invoice/cac:InvoicePeriod/cbc:EndDate', invoice.invoice_period_end.strftime('%Y-%m-%d'))
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fexml.set_supplier(invoice)
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fexml.set_customer(invoice)
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fexml.set_legal_monetary(invoice)
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fexml.set_invoice_lines(invoice)
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fexml.set_payment_mean(invoice)
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return fexml
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