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145 lines
5.9 KiB
145 lines
5.9 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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private static readonly Regex SeasonFolderRegex = new Regex(@"(\{season(\:\d+)?\})",
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RegexOptions.Compiled | RegexOptions.IgnoreCase);
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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> ValidEpisodeFormat<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 ValidStandardEpisodeFormatValidator());
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}
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public static IRuleBuilderOptions<T, string> ValidDailyEpisodeFormat<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 ValidDailyEpisodeFormatValidator());
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}
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public static IRuleBuilderOptions<T, string> ValidAnimeEpisodeFormat<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 ValidAnimeEpisodeFormatValidator());
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}
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public static IRuleBuilderOptions<T, string> ValidSeriesFolderFormat<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.SeriesTitleRegex)).WithMessage("Must contain series title");
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}
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public static IRuleBuilderOptions<T, string> ValidSeasonFolderFormat<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(SeasonFolderRegex)).WithMessage("Must contain season number");
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}
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public static IRuleBuilderOptions<T, string> ValidSpecialsFolderFormat<T>(this IRuleBuilder<T, string> ruleBuilder)
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{
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ruleBuilder.SetValidator(new NotEmptyValidator(null));
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return ruleBuilder.SetValidator(new IllegalCharactersValidator());
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}
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}
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public class ValidStandardEpisodeFormatValidator : PropertyValidator
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{
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protected override string GetDefaultMessageTemplate() => "Must contain season and episode 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.SeasonEpisodePatternRegex.IsMatch(value) ||
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(FileNameBuilder.SeasonRegex.IsMatch(value) && FileNameBuilder.EpisodeRegex.IsMatch(value)) ||
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FileNameValidation.OriginalTokenRegex.IsMatch(value);
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}
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}
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public class ValidDailyEpisodeFormatValidator : PropertyValidator
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{
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protected override string GetDefaultMessageTemplate() => "Must contain Air Date OR Season and Episode 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.SeasonEpisodePatternRegex.IsMatch(value) ||
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(FileNameBuilder.SeasonRegex.IsMatch(value) && FileNameBuilder.EpisodeRegex.IsMatch(value)) ||
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FileNameBuilder.AirDateRegex.IsMatch(value) ||
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FileNameValidation.OriginalTokenRegex.IsMatch(value);
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}
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}
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public class ValidAnimeEpisodeFormatValidator : PropertyValidator
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{
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protected override string GetDefaultMessageTemplate() =>
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"Must contain Absolute Episode number OR Season and Episode 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.SeasonEpisodePatternRegex.IsMatch(value) ||
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(FileNameBuilder.SeasonRegex.IsMatch(value) && FileNameBuilder.EpisodeRegex.IsMatch(value)) ||
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FileNameBuilder.AbsoluteEpisodePatternRegex.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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