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Lidarr/src/NzbDrone.Core/DecisionEngine/Specifications/ReleaseRestrictionsSpecific...

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2.7 KiB

using System;
using System.Collections.Generic;
using System.Linq;
using NLog;
using NzbDrone.Common.Extensions;
using NzbDrone.Core.IndexerSearch.Definitions;
using NzbDrone.Core.Parser.Model;
using NzbDrone.Core.Restrictions;
namespace NzbDrone.Core.DecisionEngine.Specifications
{
public class ReleaseRestrictionsSpecification : IDecisionEngineSpecification
{
private readonly IRestrictionService _restrictionService;
private readonly Logger _logger;
public ReleaseRestrictionsSpecification(IRestrictionService restrictionService, Logger logger)
{
_restrictionService = restrictionService;
_logger = logger;
}
public RejectionType Type => RejectionType.Permanent;
public virtual Decision IsSatisfiedBy(RemoteEpisode subject, SearchCriteriaBase searchCriteria)
{
_logger.Debug("Checking if release meets restrictions: {0}", subject);
var title = subject.Release.Title;
var restrictions = _restrictionService.AllForTags(subject.Series.Tags);
var required = restrictions.Where(r => r.Required.IsNotNullOrWhiteSpace());
var ignored = restrictions.Where(r => r.Ignored.IsNotNullOrWhiteSpace());
foreach (var r in required)
{
var requiredTerms = r.Required.Split(new[] {','}, StringSplitOptions.RemoveEmptyEntries).ToList();
var foundTerms = ContainsAny(requiredTerms, title);
if (foundTerms.Empty())
{
var terms = string.Join(", ", requiredTerms);
_logger.Debug("[{0}] does not contain one of the required terms: {1}", title, terms);
return Decision.Reject("Does not contain one of the required terms: {0}", terms);
}
}
foreach (var r in ignored)
{
var ignoredTerms = r.Ignored.Split(new[] { ',' }, StringSplitOptions.RemoveEmptyEntries).ToList();
var foundTerms = ContainsAny(ignoredTerms, title);
if (foundTerms.Any())
{
var terms = string.Join(", ", foundTerms);
_logger.Debug("[{0}] contains these ignored terms: {1}", title, terms);
return Decision.Reject("Contains these ignored terms: {0}", terms);
}
}
_logger.Debug("[{0}] No restrictions apply, allowing", subject);
return Decision.Accept();
}
private static List<string> ContainsAny(List<string> terms, string title)
{
return terms.Where(t => title.ToLowerInvariant().Contains(t.ToLowerInvariant())).ToList();
}
}
}