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plantillas-proyectos/backend/api/v1/modules/a76/items/common/fractions.py

156 lines
6.5 KiB
Python

import asyncio
from datetime import datetime
from typing import Optional, Tuple
from api.v1.modules.a76.general_catalogs.company.models import Company
from api.v1.modules.a76.general_catalogs.fractions.historical_tariff_fractions.models import HistoricalTariffFraction
from api.v1.modules.sitar.tlcs import TLCSService
from api.v1.modules.sitar.prosec import ProsecService
from api.v1.modules.sitar.fracciones import FraccionesService
from sqlalchemy.orm import Session
from sqlalchemy import exists
from core.exceptions import ErrorCollector
def search_historical_fraction(db: Session, fraction: str, country: str, fraction_type: str, sector: str, invoice_date: Optional[datetime], errors: Optional[ErrorCollector]) -> Tuple[Optional[str], float]:
"""Search for historical fraction data
This corresponds to BUSCA_FRACCION_HISTORICA in original Clarion code
Returns:
Tuple of (rate_im, adv_impo)
"""
# Placeholder for historical search
historical_exists = db.query(exists().where(HistoricalTariffFraction.historical_fraction == fraction)).scalar()
if not historical_exists:
errors.add_error(
field=f"fraction, country, fraction_type, sector",
message=f"La fraccion {fraction}, con pais {country}, con preferencia {fraction_type} y sector {sector} no existe.",
solution=["Revisar que si exista la preferencia para esta fracción en caso de ser historico, registrarlo en el catálogo de fracciones historicas."],
code="HISTORICAL_FRACTION_NOT_FOUND",
)
else:
historical_exists = db.query(HistoricalTariffFraction).filter(
HistoricalTariffFraction.historical_fraction == fraction,
HistoricalTariffFraction.country == country,
HistoricalTariffFraction.fraction_type == fraction_type,
HistoricalTariffFraction.sector == sector,
HistoricalTariffFraction.publication_date <= invoice_date,
).first()
return historical_exists.import_tax_rate, historical_exists.import_tax_rate
def search_fraction_preference(
db: Session,
country: str,
fraccion: str,
fraction_type: str,
sector: Optional[str] = None,
invoice_date: Optional[datetime] = None,
errors: Optional[ErrorCollector] = None
) -> Tuple[Optional[str], float]:
"""Search fraction preference and return rate_im and adv_impo
Args:
country: Country code
fraction_type: Type of fraction (e.g., 'TLCS', 'PROSEC')
company: Company object with configuration
fraccion: Tariff fraction code to search
sector: Sector code (required for PROSEC searches)
Returns:
Tuple of (rate_im, adv_impo) where:
- rate_im: Tax rate as string (e.g., "EXE", "5.0%")
- adv_impo: Numeric ad valorem rate
"""
rate_im = None
adv_impo = 0.0
fraccion_8 = fraccion[:8]
country_group = "USA" if country == "MEX" else country
"""" TLCS Search """
if fraction_type.upper() == "TLCS":
try:
# Get TLCS service instance
tlcs_service = TLCSService.get_instance()
# Fetch TLCS data using the service
tlcs_data = asyncio.run(
tlcs_service.search(fraccion=fraccion_8, pais=country_group, limit=100)
)
if not tlcs_data:
rate_im, adv_impo = search_historical_fraction(db=db, fraction=fraccion_8, country=country, fraction_type=fraction_type, sector=sector, invoice_date=invoice_date, errors=errors)
else:
first_record = tlcs_data[0]
rate_im = first_record.TASATXT
adv_impo = float(first_record.TASA1NUM or 0.0)
except Exception as e:
print(f"Error fetching Fracciones data from SITAR API: {e}")
""" ALADI Search """
if fraction_type.upper() == "ALADI":
rate_im, adv_impo = search_historical_fraction(db=db, fraction=fraccion_8, country=country, fraction_type=fraction_type, sector=sector, invoice_date=invoice_date, errors=errors)
""" PROSEC Search """
if fraction_type.upper() == "PROSEC":
try:
# Búsqueda en API de PROSEC (TARIFA_AS..sProsec)
prosec_service = ProsecService.get_instance()
# Buscar primero con ARTICULO = '4to'
prosec_data = asyncio.run(
prosec_service.search(
fraccion=fraccion_8, sector=sector, articulo="4to", limit=100
)
)
# Si no se encuentra con '4to', buscar con '5to'
if not prosec_data:
prosec_data = asyncio.run(
prosec_service.search(
fraccion=fraccion_8, sector=sector, articulo="5to", limit=100
)
)
if not prosec_data:
rate_im, adv_impo = search_historical_fraction(db=db, fraction=fraccion_8, country=country, fraction_type=fraction_type, sector=sector, invoice_date=invoice_date, errors=errors)
else:
first_record = prosec_data[0]
rate_im = first_record.TASATXT
adv_impo = float(first_record.TASANUM or 0.0)
except Exception as e:
print(f"Error fetching Fracciones data from SITAR API: {e}")
""" General search fallback """
if fraction_type.upper() == "GENERAL":
# Búsqueda en API de Fracciones (sFracciones)
try:
fracciones_service = FraccionesService.get_instance()
# Extraer fracción (primeros 8 caracteres) e nico (caracteres 9-10)
nico = fraccion[8:10] if len(fraccion) >= 10 else None
# Buscar por fracción e histórico
fracciones_data = asyncio.run(
fracciones_service.search(
fraccion=fraccion_8, nico=nico, limit=100
)
)
if not fracciones_data:
rate_im, adv_impo = search_historical_fraction(db=db, fraction=fraccion_8, country=country, fraction_type=fraction_type, sector=sector, invoice_date=invoice_date, errors=errors)
else:
# Se encontraron registros, tomar el primero
first_record = fracciones_data[0]
rate_im = first_record.ADVIMPOTXT # AdvImpoTxt
adv_impo = float(first_record.ADVIMPONUM or 0.0)
except Exception as e:
print(f"Error fetching Fracciones data from SITAR API: {e}")
return rate_im, adv_impo