42 lines
1.3 KiB
C#
42 lines
1.3 KiB
C#
using CandyHouseContracts.Exceptions;
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using CandyHouseContracts.Extensions;
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using CandyHouseContracts.Infrastructure;
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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namespace CandyHouseContracts.DataModels;
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public class ProductHistoryDataModel(string productId, double oldPrice) : IValidation
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{
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private readonly ProductDataModel? _product;
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public string ProductId { get; private set; } = productId;
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public double OldPrice { get; private set; } = oldPrice;
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public DateTime ChangeDate { get; private set; } = DateTime.UtcNow;
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public string ProductName => _product?.ProductName ?? string.Empty;
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public ProductHistoryDataModel(string productId, double oldPrice, DateTime changeDate, ProductDataModel product) : this(productId, oldPrice)
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{
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ChangeDate = changeDate;
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_product = product;
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}
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public void Validate()
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{
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if (ProductId.IsEmpty())
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throw new ValidationException("Field ProductId is empty");
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if (!ProductId.IsGuid())
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throw new ValidationException("The value in the field ProductId is not a unique identifier");
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if (OldPrice <= 0)
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throw new ValidationException("Field OldPrice is less than or equal to 0");
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}
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}
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