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83 lines
3.3 KiB
83 lines
3.3 KiB
using System.IO;
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using System.Linq;
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using System.Text.RegularExpressions;
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using FluentValidation;
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using FluentValidation.Validators;
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using NzbDrone.Common.Extensions;
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namespace NzbDrone.Core.Organizer
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{
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public static class FileNameValidation
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{
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internal static readonly Regex OriginalTokenRegex = new Regex(@"(\{original[- ._](?:title|filename)\})",
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RegexOptions.Compiled | RegexOptions.IgnoreCase);
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public static IRuleBuilderOptions<T, string> ValidTrackFormat<T>(this IRuleBuilder<T, string> ruleBuilder)
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{
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ruleBuilder.SetValidator(new NotEmptyValidator(null));
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ruleBuilder.SetValidator(new IllegalCharactersValidator());
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return ruleBuilder.SetValidator(new ValidStandardTrackFormatValidator());
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}
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public static IRuleBuilderOptions<T, string> ValidArtistFolderFormat<T>(this IRuleBuilder<T, string> ruleBuilder)
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{
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ruleBuilder.SetValidator(new NotEmptyValidator(null));
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ruleBuilder.SetValidator(new IllegalCharactersValidator());
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return ruleBuilder.SetValidator(new RegularExpressionValidator(FileNameBuilder.ArtistNameRegex)).WithMessage("Must contain Artist name");
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}
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public static IRuleBuilderOptions<T, string> ValidAlbumFolderFormat<T>(this IRuleBuilder<T, string> ruleBuilder)
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{
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ruleBuilder.SetValidator(new NotEmptyValidator(null));
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ruleBuilder.SetValidator(new IllegalCharactersValidator());
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return ruleBuilder.SetValidator(new RegularExpressionValidator(FileNameBuilder.AlbumTitleRegex)).WithMessage("Must contain Album title");
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// .SetValidator(new RegularExpressionValidator(FileNameBuilder.ReleaseDateRegex)).WithMessage("Must contain Release year");
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}
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}
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public class ValidStandardTrackFormatValidator : PropertyValidator
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{
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protected override string GetDefaultMessageTemplate() => "Must contain Track Title and Track numbers OR Original Title";
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protected override bool IsValid(PropertyValidatorContext context)
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{
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if (context.PropertyValue is not string value)
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{
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return false;
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}
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return (FileNameBuilder.TrackTitleRegex.IsMatch(value) && FileNameBuilder.TrackRegex.IsMatch(value)) ||
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FileNameValidation.OriginalTokenRegex.IsMatch(value);
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}
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}
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public class IllegalCharactersValidator : PropertyValidator
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{
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private static readonly char[] InvalidPathChars = Path.GetInvalidPathChars();
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protected override string GetDefaultMessageTemplate() => "Contains illegal characters: {InvalidCharacters}";
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protected override bool IsValid(PropertyValidatorContext context)
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{
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var value = context.PropertyValue as string;
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if (value.IsNullOrWhiteSpace())
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{
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return true;
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}
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var invalidCharacters = InvalidPathChars.Where(i => value!.IndexOf(i) >= 0).ToList();
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if (invalidCharacters.Any())
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{
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context.MessageFormatter.AppendArgument("InvalidCharacters", string.Join("", invalidCharacters));
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return false;
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}
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return true;
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}
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}
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}
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