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Ombi.Services/Jobs/PlexEpisodeCacher.cs

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+#region Copyright
+// /************************************************************************
+//    Copyright (c) 2016 Jamie Rees
+//    File: PlexEpisodeCacher.cs
+//    Created By: Jamie Rees
+//   
+//    Permission is hereby granted, free of charge, to any person obtaining
+//    a copy of this software and associated documentation files (the
+//    "Software"), to deal in the Software without restriction, including
+//    without limitation the rights to use, copy, modify, merge, publish,
+//    distribute, sublicense, and/or sell copies of the Software, and to
+//    permit persons to whom the Software is furnished to do so, subject to
+//    the following conditions:
+//   
+//    The above copyright notice and this permission notice shall be
+//    included in all copies or substantial portions of the Software.
+//   
+//    THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+//    EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+//    MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+//    NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+//    LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+//    OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+//    WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+//  ************************************************************************/
+#endregion
+
+using System;
+using System.Collections.Concurrent;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+using NLog;
+using Ombi.Api.Interfaces;
+using Ombi.Api.Models.Plex;
+using Ombi.Core;
+using Ombi.Core.SettingModels;
+using Ombi.Helpers;
+using Ombi.Services.Interfaces;
+using Ombi.Store.Models;
+using Ombi.Store.Repository;
+using Quartz;
+
+namespace Ombi.Services.Jobs
+{
+    public class PlexEpisodeCacher : IJob
+    {
+        public PlexEpisodeCacher(ISettingsService<PlexSettings> plexSettings, IPlexApi plex, ICacheProvider cache,
+            IJobRecord rec, IRepository<PlexEpisodes> repo, ISettingsService<ScheduledJobsSettings> jobs)
+        {
+            Plex = plexSettings;
+            PlexApi = plex;
+            Cache = cache;
+            Job = rec;
+            Repo = repo;
+            Jobs = jobs;
+        }
+
+        private ISettingsService<PlexSettings> Plex { get; }
+        private static Logger Log = LogManager.GetCurrentClassLogger();
+        private IPlexApi PlexApi { get; }
+        private ICacheProvider Cache { get; }
+        private IJobRecord Job { get; }
+        private IRepository<PlexEpisodes> Repo { get; }
+        private ISettingsService<ScheduledJobsSettings> Jobs { get; }
+        private const int ResultCount = 25;
+        private const string PlexType = "episode";
+        private const string TableName = "PlexEpisodes";
+
+
+        public void CacheEpisodes(PlexSettings settings)
+        {
+            var videoHashset = new HashSet<Video>();
+            // Ensure Plex is setup correctly
+            if (string.IsNullOrEmpty(settings.PlexAuthToken))
+            {
+                return;
+            }
+
+            // Get the librarys and then get the tv section
+            var sections = PlexApi.GetLibrarySections(settings.PlexAuthToken, settings.FullUri);
+            var tvSection = sections.Directories.FirstOrDefault(x => x.type.Equals(PlexMediaType.Show.ToString(), StringComparison.CurrentCultureIgnoreCase));
+            var tvSectionId = tvSection?.Key;
+
+            var currentPosition = 0;
+            int totalSize;
+
+            // Get the first 25 episodes (Paged)
+            var episodes = PlexApi.GetAllEpisodes(settings.PlexAuthToken, settings.FullUri, tvSectionId, currentPosition, ResultCount);
+
+            // Parse the total amount of episodes
+            int.TryParse(episodes.TotalSize, out totalSize);
+
+            // Get all of the episodes in batches until we them all (Got'a catch 'em all!)
+            while (currentPosition < totalSize)
+            {
+                videoHashset.UnionWith(PlexApi.GetAllEpisodes(settings.PlexAuthToken, settings.FullUri, tvSectionId, currentPosition, ResultCount).Video
+                    .Where(x => x.Type.Equals(PlexType, StringComparison.InvariantCultureIgnoreCase)));
+                currentPosition += ResultCount;
+            }
+
+            var entities = new ConcurrentDictionary<PlexEpisodes, byte>();
+
+            Parallel.ForEach(videoHashset, video =>
+            {
+                // Get the individual episode Metadata (This is for us to get the TheTVDBId which also includes the episode number and season number)
+                var metadata = PlexApi.GetEpisodeMetaData(settings.PlexAuthToken, settings.FullUri, video.RatingKey);
+
+                // Loop through the metadata and create the model to insert into the DB
+                foreach (var metadataVideo in metadata.Video)
+                {
+                    if(string.IsNullOrEmpty(metadataVideo.GrandparentTitle))
+                    {
+                        continue;
+                    }
+                    var epInfo = PlexHelper.GetSeasonsAndEpisodesFromPlexGuid(metadataVideo.Guid);
+                    entities.TryAdd(
+                        new PlexEpisodes
+                        {
+                            EpisodeNumber = epInfo.EpisodeNumber,
+                            EpisodeTitle = metadataVideo.Title,
+                            ProviderId = epInfo.ProviderId,
+                            RatingKey = metadataVideo.RatingKey,
+                            SeasonNumber = epInfo.SeasonNumber,
+                            ShowTitle = metadataVideo.GrandparentTitle
+                        },
+                        1);
+                }
+            });
+
+            // Delete all of the current items
+            Repo.DeleteAll(TableName);
+
+            // Insert the new items
+            var result = Repo.BatchInsert(entities.Select(x => x.Key).ToList(), TableName, typeof(PlexEpisodes).GetPropertyNames());
+
+            if (!result)
+            {
+                Log.Error("Saving the Plex episodes to the DB Failed");
+            }
+        }
+
+        public void Execute(IJobExecutionContext context)
+        {
+
+            try
+            {
+                var s = Plex.GetSettings();
+                if (!s.EnableTvEpisodeSearching)
+                {
+                    return;
+                }
+
+                var jobs = Job.GetJobs();
+                var job = jobs.FirstOrDefault(x => x.Name.Equals(JobNames.EpisodeCacher, StringComparison.CurrentCultureIgnoreCase));
+                if (job != null)
+                {
+                    if (job.LastRun > DateTime.Now.AddHours(-11)) // If it's been run in the last 11 hours
+                    {
+                        return;
+                    }
+                }
+                Job.SetRunning(true, JobNames.EpisodeCacher);
+                CacheEpisodes(s);
+            }
+            catch (Exception e)
+            {
+                Log.Error(e);
+            }
+            finally
+            {
+                Job.Record(JobNames.EpisodeCacher);
+                Job.SetRunning(false, JobNames.EpisodeCacher);
+            }
+        }
+    }
+}