2014-01-18 11:44:36 +00:00
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using System.Collections.Generic;
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using System.Linq;
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using NLog;
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using NzbDrone.Core.Lifecycle;
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using NzbDrone.Core.Messaging.Events;
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using System;
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2014-05-02 22:26:55 +00:00
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using NzbDrone.Common.Cache;
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2014-01-18 11:44:36 +00:00
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namespace NzbDrone.Core.Qualities
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{
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public interface IQualityDefinitionService
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{
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void Update(QualityDefinition qualityDefinition);
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List<QualityDefinition> All();
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QualityDefinition Get(Quality quality);
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}
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public class QualityDefinitionService : IQualityDefinitionService, IHandle<ApplicationStartedEvent>
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{
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private readonly IQualityDefinitionRepository _qualityDefinitionRepository;
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2014-05-02 22:26:55 +00:00
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private readonly ICached<Dictionary<Quality, QualityDefinition>> _cache;
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2014-01-18 11:44:36 +00:00
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private readonly Logger _logger;
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2014-05-02 22:26:55 +00:00
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public QualityDefinitionService(IQualityDefinitionRepository qualityDefinitionRepository, ICacheManager cacheManager, Logger logger)
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2014-01-18 11:44:36 +00:00
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{
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_qualityDefinitionRepository = qualityDefinitionRepository;
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2014-05-02 22:26:55 +00:00
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_cache = cacheManager.GetCache<Dictionary<Quality, QualityDefinition>>(this.GetType());
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2014-01-18 11:44:36 +00:00
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_logger = logger;
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}
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2014-05-02 22:26:55 +00:00
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private Dictionary<Quality, QualityDefinition> GetAll()
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{
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return _cache.Get("all", () => _qualityDefinitionRepository.All().ToDictionary(v => v.Quality), TimeSpan.FromSeconds(5.0));
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}
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2014-01-18 11:44:36 +00:00
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public void Update(QualityDefinition qualityDefinition)
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{
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_qualityDefinitionRepository.Update(qualityDefinition);
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2014-05-02 22:26:55 +00:00
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_cache.Clear();
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2014-01-18 11:44:36 +00:00
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}
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public List<QualityDefinition> All()
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{
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2014-05-02 22:26:55 +00:00
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return GetAll().Values.ToList();
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2014-01-18 11:44:36 +00:00
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}
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public QualityDefinition Get(Quality quality)
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{
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if (quality == Quality.Unknown)
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return new QualityDefinition(Quality.Unknown);
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2014-05-02 22:26:55 +00:00
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return GetAll()[quality];
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2014-01-18 11:44:36 +00:00
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}
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public void InsertMissingDefinitions(List<QualityDefinition> allDefinitions)
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{
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allDefinitions.OrderBy(v => v.Weight).ToList();
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var existingDefinitions = _qualityDefinitionRepository.All().OrderBy(v => v.Weight).ToList();
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// Try insert each item intelligently to merge the lists preserving the Weight the user set.
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for (int i = 0; i < allDefinitions.Count;i++)
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{
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// Skip if this definition isn't missing.
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if (existingDefinitions.Any(v => v.Quality == allDefinitions[i].Quality))
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continue;
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int targetIndexMinimum = 0;
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for (int j = 0; j < i; j++)
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targetIndexMinimum = Math.Max(targetIndexMinimum, existingDefinitions.FindIndex(v => v.Quality == allDefinitions[j].Quality) + 1);
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int targetIndexMaximum = existingDefinitions.Count;
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for (int j = i + 1; j < allDefinitions.Count; j++)
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{
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var index = existingDefinitions.FindIndex(v => v.Quality == allDefinitions[j].Quality);
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if (index != -1)
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targetIndexMaximum = Math.Min(targetIndexMaximum, index);
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}
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// Rounded down average sounds reasonable.
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int targetIndex = (targetIndexMinimum + targetIndexMaximum) / 2;
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existingDefinitions.Insert(targetIndex, allDefinitions[i]);
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}
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// Update all Weights.
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List<QualityDefinition> insertList = new List<QualityDefinition>();
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List<QualityDefinition> updateList = new List<QualityDefinition>();
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for (int i = 0; i < existingDefinitions.Count; i++)
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{
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if (existingDefinitions[i].Id == 0)
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{
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existingDefinitions[i].Weight = i + 1;
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_qualityDefinitionRepository.Insert(existingDefinitions[i]);
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}
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else if (existingDefinitions[i].Weight != i + 1)
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{
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existingDefinitions[i].Weight = i + 1;
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_qualityDefinitionRepository.Update(existingDefinitions[i]);
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}
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}
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2014-05-02 22:26:55 +00:00
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_cache.Clear();
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2014-01-18 11:44:36 +00:00
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}
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public void Handle(ApplicationStartedEvent message)
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{
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2014-01-18 11:44:36 +00:00
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_logger.Debug("Setting up default quality config");
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InsertMissingDefinitions(Quality.DefaultQualityDefinitions.ToList());
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}
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}
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}
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