30 lines
984 B
C#
30 lines
984 B
C#
using System;
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using System.ComponentModel.DataAnnotations;
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using System.IO;
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using Nitrox.Launcher.Models.Design;
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namespace Nitrox.Launcher.Models.Validators;
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/// <summary>
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/// Checks that value is a usable <see cref="BackupItem" />.
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/// </summary>
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public sealed class BackupAttribute : TypedValidationAttribute<BackupItem>
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{
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protected override ValidationResult IsValid(BackupItem value, ValidationContext context)
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{
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if (value == null)
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{
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return new ValidationResult($"{context.DisplayName} must not be null.");
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}
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if (value.BackupFileName == null || value.BackupFileName.AsSpan().Trim().IsEmpty)
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{
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return new ValidationResult($"{context.DisplayName} must have a backup path assigned");
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}
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if (!File.Exists(value.BackupFileName))
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{
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return new ValidationResult($"{context.DisplayName} must point to a valid file.");
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}
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return ValidationResult.Success;
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}
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}
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