adision de bases para trabajo completo de back-v1.0.0

app/modules/suppliers/service.py

@@ -3,4 +3,68 @@ from datetime import datetime
 from typing import Optional
 #
 import re
-from enum import Enum
+from enum import Enum
+
+from sqlalchemy.orm import Session
+from datetime import datetime
+from typing import Optional
+from fastapi import HTTPException
+from app.modules.suppliers.models import Suppliers
+from app.modules.suppliers.schema import SupplierCreate, SupplierUpdate
+
+
+class SuppliersService:
+    @staticmethod
+    def create_suppliers(db: Session, data:SupplierCreate ):
+        new_suppliers = Suppliers(**data.dict())
+        db.add(new_suppliers)
+        db.commit()
+        db.refresh(new_suppliers)
+        return new_suppliers
+
+    @staticmethod
+    def get_suppliers(db: Session, suppliers_id: int, current_user):
+        suppliers = db.query(Suppliers).filter(Suppliers.id == suppliers_id).first()
+        if not suppliers:
+            raise ValueError("suppliers no encontrado")
+        return suppliers
+
+    @staticmethod
+    def update_suppliers(db: Session, suppliers_id: int, data:SupplierUpdate , current_user):
+        suppliers = db.query(Suppliers).filter(Suppliers.id == suppliers_id).first()
+        if not suppliers:
+            raise ValueError("suppliers no encontrado")
+        
+        if current_user.role not in ["ROOT", "ADMIN"]:
+            raise ValueError("No tienes permisos para actualizar este suppliers")
+        
+        update_data = data.dict(exclude_unset=True)
+        for key, value in update_data.items():
+            setattr(suppliers, key, value)
+        
+        db.commit()
+        db.refresh(suppliers)
+        return suppliers
+
+    @staticmethod
+    def delete_suppliers(db: Session, suppliers_id: int, current_user):
+        suppliers = db.query(Suppliers).filter(Suppliers.id == suppliers_id).first()
+        if not suppliers:
+            raise ValueError("suppliers no encontrado")
+        
+        if current_user.role not in ["ROOT", "ADMIN"]:
+            raise ValueError("No tienes permisos para eliminar este suppliers")
+        
+        try:
+            suppliers.is_active = False
+            suppliers.deleted_at = datetime.utcnow()
+            suppliers.deleted_by = current_user.id
+            db.commit()
+            db.refresh(suppliers)
+        except Exception as e:
+            db.rollback()
+            raise ValueError(f"Error al eliminar el suppliers: {e}")
+        
+        return {"message": "suppliers eliminado correctamente"}
+
+