43 lines
2.0 KiB
C#
43 lines
2.0 KiB
C#
using FluentValidation;
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namespace Musify.Api.Validators;
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public static class Uploads
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{
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public static readonly IReadOnlySet<string> PictureFileTypes =
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new HashSet<string>(StringComparer.OrdinalIgnoreCase) { "jpg", "jpeg", "png", "webp" };
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public static readonly IReadOnlySet<string> PictureContentTypes =
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new HashSet<string>(StringComparer.OrdinalIgnoreCase) { "image/jpeg", "image/png", "image/webp" };
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public static readonly IReadOnlySet<string> AudioFileTypes =
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new HashSet<string>(StringComparer.OrdinalIgnoreCase) { "mp3", "wav", "flac", "ogg", "m4a", "aac" };
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public static readonly IReadOnlySet<string> AudioContentTypes =
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new HashSet<string>(StringComparer.OrdinalIgnoreCase)
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{
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"audio/mpeg", "audio/mp3", "audio/wav", "audio/x-wav", "audio/wave", "audio/flac", "audio/x-flac",
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"audio/ogg", "audio/mp4", "audio/x-m4a", "audio/m4a", "audio/aac"
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};
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public static IRuleBuilderOptions<T, string> MustBeFileType<T>(
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this IRuleBuilder<T, string> rule, IReadOnlySet<string> allowed) =>
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rule
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.NotEmpty()
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.Length(1, 10)
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.Matches("^[A-Za-z0-9]+$").WithMessage("'{PropertyName}' must contain only letters and digits.")
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.Must(allowed.Contains).WithMessage("'{PropertyName}' must be one of: " + string.Join(", ", allowed) + ".");
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public static IRuleBuilderOptions<T, string> MustBeContentType<T>(
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this IRuleBuilder<T, string> rule, IReadOnlySet<string> allowed) =>
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rule
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.NotEmpty()
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.Must(allowed.Contains).WithMessage("'{PropertyName}' is not an allowed content type.");
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public static IRuleBuilderOptions<T, long?> MustBeValidUploadSize<T>(
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this IRuleBuilder<T, long?> rule, long maxUploadBytes) =>
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rule
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.Must(size => size is null || (size > 0 && size <= maxUploadBytes))
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.WithMessage($"'{{PropertyName}}' must be greater than 0 and at most {maxUploadBytes} bytes.");
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}
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