Check/MagicCarpetProject/MagicCarpetContracts/DataModels/SaleTourDataModel.cs

using MagicCarpetContracts.Exceptions;
using MagicCarpetContracts.Extensions;
using MagicCarpetContracts.Infrastructure;
using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace MagicCarpetContracts.DataModels;

public class SaleTourDataModel(string saleId, string tourId, int count, double price) : IValidation
{
    private readonly TourDataModel? _tour;

    public string SaleId { get; private set; } = saleId;

    public string TourId { get; private set; } = tourId;

    public int Count { get; private set; } = count;

    public double Price { get; private set; } = price;

    public string TourName => _tour?.TourName ?? string.Empty;

    public SaleTourDataModel(string saleId, string tourId, int count, double price, TourDataModel tour) : this(saleId, tourId, count, price)
    {
        _tour = tour;
    }

    public void Validate()
    {
        if (SaleId.IsEmpty())
            throw new ValidationException("Field SaleId is empty");

        if (!SaleId.IsGuid())
            throw new ValidationException("The value in the field SaleId is not a unique identifier");

        if (TourId.IsEmpty())
            throw new ValidationException("Field ProductId is empty");

        if (!TourId.IsGuid())
            throw new ValidationException("The value in the field ProductId is not a unique identifier");

        if (Count <= 0)
            throw new ValidationException("Field Count is less than or equal to 0");

        if (Price <= 0)
            throw new ValidationException("Field Price is less than or equal to 0");
    }
}