42 lines
1.5 KiB
C#
42 lines
1.5 KiB
C#
using System;
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using System.Threading.Tasks;
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using Compliance.Domain.Models;
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using Compliance.DTOs;
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using Compliance.Infrastructure.Repositories;
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using System.Text;
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namespace Compliance.Services.ValidationRules
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{
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public class TariffValidationRule(IDistributorRepository distributorRepository) : IValidationRule
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{
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private readonly IDistributorRepository _distributorRepository = distributorRepository;
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private const string RULE_NAME = "Tariff Validation";
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private const string TUSD_ERROR = "TUSD amount doesn't match the expected value based on consumption and tariff";
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public int Priority => 1;
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public async Task<ValidationResult> ValidateAsync(
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BillComplianceRequest request,
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DistributorInformation distributorInfo,
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Client clientInfo)
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{
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var tariffInfo = await _distributorRepository.GetTariffInformationAsync(
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request.DistributorName,
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request.Month) ?? throw new InvalidOperationException("Tariff information not found");
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var isValid = true;
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var message = new StringBuilder();
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if (request.TUSDAmount != request.ConsumptionAmount * tariffInfo.TUSDValue)
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{
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isValid = false;
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message.Append(TUSD_ERROR);
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}
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return new ValidationResult
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{
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IsValid = isValid,
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RuleName = RULE_NAME,
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Message = message.ToString()
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};
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}
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}
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} |