31 lines
892 B
C#
31 lines
892 B
C#
using FluentValidation;
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using TakeoutSaaS.Application.App.Billings.Commands;
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namespace TakeoutSaaS.Application.App.Billings.Validators;
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/// <summary>
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/// 更新账单状态命令验证器。
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/// </summary>
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public sealed class UpdateBillingStatusCommandValidator : AbstractValidator<UpdateBillingStatusCommand>
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{
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public UpdateBillingStatusCommandValidator()
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{
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// 1. 账单 ID 必填
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RuleFor(x => x.BillingId)
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.GreaterThan(0)
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.WithMessage("账单 ID 必须大于 0");
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// 2. 状态枚举校验
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RuleFor(x => x.NewStatus)
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.IsInEnum()
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.WithMessage("新状态无效");
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// 3. 备注长度限制（可选）
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RuleFor(x => x.Notes)
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.MaximumLength(500)
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.WithMessage("备注不能超过 500 个字符")
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.When(x => !string.IsNullOrWhiteSpace(x.Notes));
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}
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}
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