acazares
ef5c40af92
- Added service layer for handling client and provider operations including creation, retrieval, updating, and deletion. - Introduced DTOs for data transfer and validation. - Implemented filtering and pagination for client/provider listing. - Added logging for better traceability of operations. feat: Create parts management module - Developed a complete module for managing parts/components including creation, retrieval, updating, and deletion. - Introduced DTOs for parts with detailed attributes and validation. - Implemented search and filtering capabilities for parts based on various criteria. - Added endpoints for regulatory information retrieval and parts statistics. - Integrated logging for error handling and operational insights.
295 lines
11 KiB
Python
295 lines
11 KiB
Python
"""
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Capa de servicio para lógica de negocio de clases SCAII y SCAF
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"""
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from sqlalchemy.orm import Session
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from sqlalchemy.exc import IntegrityError
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from sqlalchemy import or_, and_, func
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from fastapi import HTTPException
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from typing import List, Optional
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import logging
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from .models import Class
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from .dto import (
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ClassCreateDTO,
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ClassUpdateDTO,
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ClassResponseDTO,
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ClassBasicDTO,
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ClassListDTO,
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ClassSearchDTO
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)
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logger = logging.getLogger(__name__)
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class ClassService:
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"""Servicio para gestión de clases SCAII y SCAF"""
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def __init__(self, db: Session):
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self.db = db
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def create_class(self, class_data: ClassCreateDTO) -> ClassResponseDTO:
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"""
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Crea una nueva clase en el sistema
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Args:
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class_data: Datos de la clase a crear
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Returns:
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ClassResponseDTO con información de la clase creada
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Raises:
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HTTPException: Si la clase ya existe o error en la creación
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"""
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try:
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# Verificar que no exista la clase
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existing = self.db.query(Class).filter(
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and_(
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Class.client_key == class_data.client_key,
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Class.class_code == class_data.class_code
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)
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).first()
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if existing:
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raise HTTPException(
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status_code=400,
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detail=f"Class with client_key '{class_data.client_key}' and class_code '{class_data.class_code}' already exists"
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)
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# Crear clase
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db_class = Class(
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client_key=class_data.client_key,
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class_code=class_data.class_code,
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description_spanish=class_data.description_spanish,
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description_english=class_data.description_english,
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material_key=class_data.material_key,
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unit_of_measure=class_data.unit_of_measure,
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fraction=class_data.fraction,
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us_fraction=class_data.us_fraction,
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sub_key=class_data.sub_key,
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physical_review=class_data.physical_review,
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iva_exempt_fraction=class_data.iva_exempt_fraction
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)
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self.db.add(db_class)
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self.db.commit()
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self.db.refresh(db_class)
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logger.info(f"Class created: {db_class.client_key}-{db_class.class_code}")
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return ClassResponseDTO.model_validate(db_class)
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except IntegrityError as e:
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self.db.rollback()
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logger.error(f"IntegrityError creating class: {str(e)}")
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raise HTTPException(status_code=400, detail="Class with this client_key and class_code already exists")
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except HTTPException:
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raise
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except Exception as e:
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self.db.rollback()
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logger.error(f"Error creating class: {str(e)}")
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raise HTTPException(status_code=500, detail="Error creating class")
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def get_class(self, client_key: int, class_code: str) -> Optional[ClassResponseDTO]:
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"""
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Obtiene una clase por clave compuesta
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Args:
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client_key: Clave del cliente
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class_code: Código de clase
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Returns:
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ClassResponseDTO o None si no existe
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"""
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class_obj = self.db.query(Class).filter(
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and_(
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Class.client_key == client_key,
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Class.class_code == class_code
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)
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).first()
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if not class_obj:
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return None
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return ClassResponseDTO.model_validate(class_obj)
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def list_classes(
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self,
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skip: int = 0,
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limit: int = 100,
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search_params: Optional[ClassSearchDTO] = None
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) -> ClassListDTO:
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"""
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Lista clases con filtros
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Args:
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skip: Número de registros a omitir
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limit: Número máximo de registros a retornar
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search_params: Parámetros de búsqueda
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Returns:
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ClassListDTO con la lista paginada
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"""
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query = self.db.query(Class)
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# Aplicar filtros si se proporcionan
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if search_params:
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if search_params.client_key:
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query = query.filter(Class.client_key == search_params.client_key)
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if search_params.class_code:
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query = query.filter(Class.class_code.ilike(f"%{search_params.class_code}%"))
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if search_params.description:
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description_pattern = f"%{search_params.description}%"
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query = query.filter(
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or_(
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Class.description_spanish.ilike(description_pattern),
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Class.description_english.ilike(description_pattern)
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)
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)
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if search_params.material_key:
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query = query.filter(Class.material_key.ilike(f"%{search_params.material_key}%"))
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if search_params.fraction:
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query = query.filter(Class.fraction.ilike(f"%{search_params.fraction}%"))
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if search_params.physical_review is not None:
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query = query.filter(Class.physical_review == search_params.physical_review)
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# Contar total
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total = query.count()
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# Aplicar paginación
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classes = query.offset(skip).limit(limit).all()
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# Convertir a DTOs básicos
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class_dtos = [ClassBasicDTO.model_validate(class_obj) for class_obj in classes]
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return ClassListDTO(
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classes=class_dtos,
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total=total,
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page=(skip // limit) + 1 if limit > 0 else 1,
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size=len(class_dtos)
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)
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def update_class(self, client_key: int, class_code: str, class_data: ClassUpdateDTO) -> Optional[ClassResponseDTO]:
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"""
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Actualiza una clase
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Args:
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client_key: Clave del cliente
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class_code: Código de clase
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class_data: Datos a actualizar
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Returns:
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ClassResponseDTO actualizado o None si no existe
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"""
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class_obj = self.db.query(Class).filter(
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and_(
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Class.client_key == client_key,
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Class.class_code == class_code
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)
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).first()
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if not class_obj:
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return None
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try:
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# Actualizar solo campos proporcionados
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update_data = class_data.model_dump(exclude_unset=True)
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for field, value in update_data.items():
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setattr(class_obj, field, value)
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self.db.commit()
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self.db.refresh(class_obj)
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logger.info(f"Class updated: {client_key}-{class_code}")
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return ClassResponseDTO.model_validate(class_obj)
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except Exception as e:
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self.db.rollback()
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logger.error(f"Error updating class {client_key}-{class_code}: {str(e)}")
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raise HTTPException(status_code=500, detail="Error updating class")
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def delete_class(self, client_key: int, class_code: str) -> bool:
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"""
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Elimina una clase
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Args:
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client_key: Clave del cliente
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class_code: Código de clase
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Returns:
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True si se eliminó, False si no existe
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"""
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class_obj = self.db.query(Class).filter(
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and_(
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Class.client_key == client_key,
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Class.class_code == class_code
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)
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).first()
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if not class_obj:
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return False
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try:
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self.db.delete(class_obj)
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self.db.commit()
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logger.info(f"Class deleted: {client_key}-{class_code}")
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return True
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except Exception as e:
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self.db.rollback()
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logger.error(f"Error deleting class {client_key}-{class_code}: {str(e)}")
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raise HTTPException(status_code=500, detail="Error deleting class")
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def search_by_fraction(self, fraction: str) -> List[ClassBasicDTO]:
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"""Busca clases por fracción arancelaria"""
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classes = self.db.query(Class).filter(Class.fraction.ilike(f"%{fraction}%")).all()
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return [ClassBasicDTO.model_validate(class_obj) for class_obj in classes]
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def search_by_client(self, client_key: int, skip: int = 0, limit: int = 100) -> List[ClassBasicDTO]:
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"""Obtiene todas las clases de un cliente específico"""
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classes = self.db.query(Class).filter(Class.client_key == client_key).offset(skip).limit(limit).all()
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return [ClassBasicDTO.model_validate(class_obj) for class_obj in classes]
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def search_by_material(self, material_key: str) -> List[ClassBasicDTO]:
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"""Busca clases por clave de material"""
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classes = self.db.query(Class).filter(Class.material_key.ilike(f"%{material_key}%")).all()
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return [ClassBasicDTO.model_validate(class_obj) for class_obj in classes]
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def get_classes_by_physical_review(self, physical_review: int) -> List[ClassBasicDTO]:
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"""Obtiene clases por indicador de revisión física"""
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classes = self.db.query(Class).filter(Class.physical_review == physical_review).all()
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return [ClassBasicDTO.model_validate(class_obj) for class_obj in classes]
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def get_classes_statistics(self) -> dict:
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"""Obtiene estadísticas básicas de clases"""
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total_classes = self.db.query(Class).count()
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# Contar por clientes
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clients_count = self.db.query(Class.client_key).distinct().count()
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# Contar por revisión física
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physical_review_stats = {}
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for i in range(3): # Asumiendo valores 0, 1, 2
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count = self.db.query(Class).filter(Class.physical_review == i).count()
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physical_review_stats[f"physical_review_{i}"] = count
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# Contar clases con fracciones
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with_fraction = self.db.query(Class).filter(Class.fraction.isnot(None)).count()
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with_us_fraction = self.db.query(Class).filter(Class.us_fraction.isnot(None)).count()
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return {
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"total_classes": total_classes,
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"clients_with_classes": clients_count,
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"classes_with_fraction": with_fraction,
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"classes_with_us_fraction": with_us_fraction,
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**physical_review_stats
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}
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def get_classes_by_unit_measure(self, unit_of_measure: str) -> List[ClassBasicDTO]:
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"""Obtiene clases por unidad de medida"""
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classes = self.db.query(Class).filter(Class.unit_of_measure == unit_of_measure).all()
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return [ClassBasicDTO.model_validate(class_obj) for class_obj in classes]
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