mirror of https://github.com/lidarr/Lidarr
95 lines
4.2 KiB
C#
95 lines
4.2 KiB
C#
using System.Linq;
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using NLog;
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using NzbDrone.Common.Extensions;
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using NzbDrone.Core.IndexerSearch.Definitions;
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using NzbDrone.Core.Parser.Model;
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using NzbDrone.Core.Qualities;
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namespace NzbDrone.Core.DecisionEngine.Specifications
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{
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public class AcceptableSizeSpecification : IDecisionEngineSpecification
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{
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private readonly IQualityDefinitionService _qualityDefinitionService;
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private readonly Logger _logger;
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public AcceptableSizeSpecification(IQualityDefinitionService qualityDefinitionService, Logger logger)
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{
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_qualityDefinitionService = qualityDefinitionService;
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_logger = logger;
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}
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public SpecificationPriority Priority => SpecificationPriority.Default;
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public RejectionType Type => RejectionType.Permanent;
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public Decision IsSatisfiedBy(RemoteAlbum subject, SearchCriteriaBase searchCriteria)
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{
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_logger.Debug("Beginning size check for: {0}", subject);
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var quality = subject.ParsedAlbumInfo.Quality.Quality;
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if (subject.Release.Size == 0)
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{
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_logger.Debug("Release has unknown size, skipping size check");
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return Decision.Accept();
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}
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var qualityDefinition = _qualityDefinitionService.Get(quality);
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var minReleaseDuration = subject.Albums.Select(a => a.AlbumReleases.Value.Where(r => r.Monitored || a.AnyReleaseOk).Select(r => r.Duration).MinOrDefault()).Sum() / 1000;
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var maxReleaseDuration = subject.Albums.Select(a => a.AlbumReleases.Value.Where(r => r.Monitored || a.AnyReleaseOk).Select(r => r.Duration).MaxOrDefault()).Sum() / 1000;
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if (qualityDefinition.MinSize.HasValue)
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{
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if (maxReleaseDuration == 0)
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{
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_logger.Debug("Album duration is 0, unable to validate size until it is available, rejecting");
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return Decision.Reject("Album duration is 0, unable to validate size until it is available");
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}
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var minSize = qualityDefinition.MinSize.Value.Kilobits();
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// Multiply minSize by smallest release duration
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minSize = minSize * minReleaseDuration;
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// If the parsed size is smaller than minSize we don't want it
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if (subject.Release.Size < minSize)
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{
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var runtimeMessage = $"{minReleaseDuration}sec";
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_logger.Debug("Item: {0}, Size: {1} is smaller than minimum allowed size ({2} bytes for {3}), rejecting.", subject, subject.Release.Size, minSize, runtimeMessage);
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return Decision.Reject("{0} is smaller than minimum allowed {1}", subject.Release.Size.SizeSuffix(), minSize.SizeSuffix());
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}
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}
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if (!qualityDefinition.MaxSize.HasValue || qualityDefinition.MaxSize.Value == 0)
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{
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_logger.Debug("Max size is unlimited, skipping size check");
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}
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else if (maxReleaseDuration == 0)
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{
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_logger.Debug("Album duration is 0, unable to validate size until it is available, rejecting");
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return Decision.Reject("Album duration is 0, unable to validate size until it is available");
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}
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else
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{
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var maxSize = qualityDefinition.MaxSize.Value.Kilobits();
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// Multiply maxSize by Album.Duration
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maxSize = maxSize * maxReleaseDuration;
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// If the parsed size is greater than maxSize we don't want it
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if (subject.Release.Size > maxSize)
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{
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var runtimeMessage = $"{maxReleaseDuration}sec";
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_logger.Debug("Item: {0}, Size: {1} is greater than maximum allowed size ({2} bytes for {3}), rejecting", subject, subject.Release.Size, maxSize, runtimeMessage);
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return Decision.Reject("{0} is larger than maximum allowed {1}", subject.Release.Size.SizeSuffix(), maxSize.SizeSuffix());
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}
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}
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_logger.Debug("Item: {0}, meets size constraints", subject);
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return Decision.Accept();
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}
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}
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}
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