bit4bit@riseup.net
a7eb945962
se implementa prueba para cude de nota debito segun ejemplo en pagina 614, pero el sha384 de la composicion difiere del generado tanto de facho como el sitio web que dan para generarlo. FossilOrigin-Name: 51b29990f6eaf4fc4f85dc51873957f41d9ba047889e4e4fe2ea4f0b1285e88c
495 lines
14 KiB
Python
495 lines
14 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 collections import defaultdict
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import decimal
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from decimal import Decimal
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import typing
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from .data.dian import codelist
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DECIMAL_PRECISION = 6
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class AmountCurrencyError(TypeError):
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pass
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@dataclass
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class Currency:
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code: str
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def __eq__(self, other):
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return self.code == other.code
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def __str__(self):
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return self.code
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class Collection:
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def __init__(self, array):
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self.array = array
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def filter(self, filterer):
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new_array = filter(filterer, self.array)
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return self.__class__(new_array)
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def map(self, mapper):
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new_array = map(mapper, self.array)
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return self.__class__(new_array)
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def sum(self):
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return sum(self.array)
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class AmountCollection(Collection):
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def sum(self):
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total = Amount(0)
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for v in self.array:
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total += v
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return total
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class Amount:
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def __init__(self, amount: int or float or Amount, currency: Currency = Currency('COP')):
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if isinstance(amount, Amount):
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self.amount = amount.amount
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self.currency = amount.currency
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else:
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self.amount = Decimal(amount, decimal.Context(prec=DECIMAL_PRECISION, rounding=decimal.ROUND_HALF_DOWN ))
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self.currency = currency
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def __round__(self, prec):
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return round(self.amount, prec)
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def __str__(self):
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return '%.06f' % self.amount
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def __eq__(self, other):
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if not self.is_same_currency(other):
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raise AmountCurrencyError()
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return round(self.amount, DECIMAL_PRECISION) == round(other.amount, DECIMAL_PRECISION)
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def __add__(self, other):
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if not self.is_same_currency(other):
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raise AmountCurrencyError()
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return Amount(self.amount + other.amount, self.currency)
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def __sub__(self, other):
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if not self.is_same_currency(other):
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raise AmountCurrencyError()
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return Amount(self.amount - other.amount, self.currency)
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def __mul__(self, other):
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if not self.is_same_currency(other):
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raise AmountCurrencyError()
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return Amount(self.amount * other.amount, self.currency)
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def is_same_currency(self, other):
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return self.currency == other.currency
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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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def __post_init__(self):
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if self.code not in codelist.Paises:
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raise ValueError("code [%s] not found" % (self.code))
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self.name = codelist.Paises[self.code]['name']
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@dataclass
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class CountrySubentity:
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code: str
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name: str = ''
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def __post_init__(self):
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if self.code not in codelist.Departamento:
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raise ValueError("code [%s] not found" % (self.code))
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self.name = codelist.Departamento[self.code]['name']
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@dataclass
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class City:
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code: str
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name: str = ''
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def __post_init__(self):
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if self.code not in codelist.Municipio:
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raise ValueError("code [%s] not found" % (self.code))
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self.name = codelist.Municipio[self.code]['name']
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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: City = City('05001')
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country: Country = Country('CO')
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countrysubentity: CountrySubentity = CountrySubentity('05')
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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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type_fiscal: 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 Responsability:
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codes: list
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def __str__(self):
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return ';'.join(self.codes)
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def __eq__(self, other):
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return str(self) == str(other)
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def __iter__(self):
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return iter(self.codes)
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def __post_init__(self):
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for code in self.codes:
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if code not in codelist.TipoResponsabilidad:
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raise ValueError("code %s not found" % (code))
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@dataclass
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class TaxScheme:
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code: str
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name: str = ''
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def __post_init__(self):
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if self.code not in codelist.TipoImpuesto:
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raise ValueError("code not found")
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self.name = codelist.TipoImpuesto[self.code]['name']
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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: typing.List[Responsability]
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responsability_regime_code: str
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organization_code: str
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tax_scheme: TaxScheme = TaxScheme('01')
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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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def __post_init__(self):
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if self.organization_code not in codelist.TipoOrganizacion:
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raise ValueError("organization_code not found")
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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: Amount = Amount(0.0)
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taxable_amount: Amount = Amount(0.0)
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def calculate(self, invline):
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self.tax_amount = invline.total_amount * 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: Amount = Amount(0.0)
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taxable_amount: Amount = Amount(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: Amount
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type_code: str
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type: str
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def __post_init__(self):
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if self.type_code not in codelist.CodigoPrecioReferencia:
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raise ValueError("type_code [%s] not found" % (self.type_code))
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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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if code not in codelist.MediosPago:
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raise ValueError("code not found")
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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 PrePaidPayment:
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#DIAN 1.7.-2020: FBD03
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paid_amount: Amount = Amount(0.0)
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@dataclass
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class BillingReference:
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def __init__(self, ident: str, uuid: str, date: str):
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self.ident = ident
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self.uuid = uuid
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self.date = date
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class CreditNoteDocumentReference(BillingReference):
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pass
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class DebitNoteDocumentReference(BillingReference):
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pass
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class InvoiceDocumentReference(BillingReference):
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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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# TODO mover a Invoice
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# ya que al reportar los totales es sobre
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# la factura y el percent es unico por type_code
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# de subtotal
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tax: TaxTotal
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@property
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def total_amount(self):
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return Amount(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: Amount = Amount(0.0)
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tax_exclusive_amount: Amount = Amount(0.0)
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tax_inclusive_amount: Amount = Amount(0.0)
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charge_total_amount: Amount = Amount(0.0)
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allowance_total_amount: Amount = Amount(0.0)
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payable_amount: Amount = Amount(0.0)
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prepaid_amount: Amount = Amount(0.0)
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@dataclass
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class AllowanceCharge:
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#DIAN 1.7.-2020: FAQ03
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charge_indicator: bool = True
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amount: Amount = Amount(0.0)
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def isCharge(self):
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return self.charge_indicator == True
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def isDiscount(self):
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return self.charge_indicator == False
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def asCharge(self):
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self.charge_indicator = True
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def asDiscount(self):
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self.charge_indicator = False
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class NationalSalesInvoiceDocumentType(str):
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def __str__(self):
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# 6.1.3
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return '01'
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class CreditNoteDocumentType(str):
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def __str__(self):
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# 6.1.3
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return '91'
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class DebitNoteDocumentType(str):
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def __str__(self):
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# 6.1.3
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return '92'
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class Invoice:
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def __init__(self, type_code: str):
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if str(type_code) not in codelist.TipoDocumento:
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raise ValueError("type_code [%s] not found")
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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_operation_type = None
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self.invoice_legal_monetary_total = LegalMonetaryTotal()
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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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self.invoice_allowance_charge = []
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self.invoice_prepaid_payment = []
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self.invoice_billing_reference = None
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self.invoice_type_code = str(type_code)
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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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if dtime.tzname() not in ['UTC-05:00', '-05', None]:
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raise ValueError("dtime must be UTC-05:00")
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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 set_operation_type(self, operation):
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if operation not in codelist.TipoOperacionF:
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raise ValueError("operation not found")
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self.invoice_operation_type = operation
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def add_allownace_charge(self, charge: AllowanceCharge):
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self.invoice_allowance_charge.append(charge)
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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 add_prepaid_payment(self, paid: PrePaidPayment):
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self.invoice_prepaid_payment.append(paid)
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def set_billing_reference(self, billing_reference: BillingReference):
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self.invoice_billing_reference = billing_reference
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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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#DIAN 1.7.-2020: FAU6
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self.invoice_legal_monetary_total.tax_inclusive_amount += invline.total_tax_inclusive_amount
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#DIAN 1.7.-2020: FAU08
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self.invoice_legal_monetary_total.allowance_total_amount = AmountCollection(self.invoice_allowance_charge)\
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.filter(lambda charge: charge.isDiscount())\
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.map(lambda charge: charge.amount)\
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.sum()
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#DIAN 1.7.-2020: FAU10
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self.invoice_legal_monetary_total.charge_total_amount = AmountCollection(self.invoice_allowance_charge)\
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.filter(lambda charge: charge.isCharge())\
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.map(lambda charge: charge.amount)\
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.sum()
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#DIAN 1.7.-2020: FAU12
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self.invoice_legal_monetary_total.prepaid_amount = AmountCollection(self.invoice_prepaid_payment)\
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.map(lambda paid: paid.paid_amount)\
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.sum()
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#DIAN 1.7.-2020: FAU14
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self.invoice_legal_monetary_total.payable_amount = \
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self.invoice_legal_monetary_total.tax_inclusive_amount \
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+ self.invoice_legal_monetary_total.allowance_total_amount \
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+ self.invoice_legal_monetary_total.charge_total_amount \
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- self.invoice_legal_monetary_total.prepaid_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 NationalSalesInvoice(Invoice):
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def __init__(self):
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super().__init__(NationalSalesInvoiceDocumentType())
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class CreditNote(Invoice):
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def __init__(self, invoice_document_reference: BillingReference):
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super().__init__(CreditNoteDocumentType())
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if not isinstance(invoice_document_reference, BillingReference):
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raise TypeError('invoice_document_reference invalid type')
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self.invoice_billing_reference = invoice_document_reference
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class DebitNote(Invoice):
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def __init__(self, invoice_document_reference: BillingReference):
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super().__init__(DebitNoteDocumentType())
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if not isinstance(invoice_document_reference, BillingReference):
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raise TypeError('invoice_document_reference invalid type')
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self.invoice_billing_reference = invoice_document_reference
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