101 lines
3.8 KiB
C#
101 lines
3.8 KiB
C#
using MediaBrowser.Common.Serialization;
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using MediaBrowser.Controller.Entities;
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using System;
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using System.ComponentModel.Composition;
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using System.IO;
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using System.Threading;
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using System.Threading.Tasks;
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namespace MediaBrowser.Controller.Providers.Movies
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{
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/// <summary>
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/// Class MovieProviderFromJson
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/// </summary>
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[Export(typeof(BaseMetadataProvider))]
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public class MovieProviderFromJson : MovieDbProvider
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{
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/// <summary>
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/// Gets the priority.
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/// </summary>
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/// <value>The priority.</value>
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public override MetadataProviderPriority Priority
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{
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get { return MetadataProviderPriority.First; }
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}
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/// <summary>
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/// Gets a value indicating whether [requires internet].
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/// </summary>
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/// <value><c>true</c> if [requires internet]; otherwise, <c>false</c>.</value>
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public override bool RequiresInternet
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{
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get { return false; }
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}
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/// <summary>
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/// Override this to return the date that should be compared to the last refresh date
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/// to determine if this provider should be re-fetched.
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/// </summary>
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/// <param name="item">The item.</param>
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/// <returns>DateTime.</returns>
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protected override DateTime CompareDate(BaseItem item)
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{
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var entry = item.ResolveArgs.GetMetaFileByPath(Path.Combine(item.MetaLocation, LOCAL_META_FILE_NAME));
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return entry != null ? entry.Value.LastWriteTimeUtc : DateTime.MinValue;
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}
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/// <summary>
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/// Needses the refresh internal.
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/// </summary>
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/// <param name="item">The item.</param>
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/// <param name="providerInfo">The provider info.</param>
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/// <returns><c>true</c> if XXXX, <c>false</c> otherwise</returns>
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protected override bool NeedsRefreshInternal(BaseItem item, BaseProviderInfo providerInfo)
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{
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if (item.ResolveArgs.ContainsMetaFileByName(ALT_META_FILE_NAME))
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{
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return false; // don't read our file if 3rd party data exists
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}
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if (!item.ResolveArgs.ContainsMetaFileByName(LOCAL_META_FILE_NAME))
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{
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return false; // nothing to read
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}
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// Need to re-override to jump over intermediate implementation
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return CompareDate(item) > providerInfo.LastRefreshed;
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}
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/// <summary>
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/// Fetches the async.
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/// </summary>
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/// <param name="item">The item.</param>
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/// <param name="force">if set to <c>true</c> [force].</param>
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/// <param name="cancellationToken">The cancellation token.</param>
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/// <returns>Task{System.Boolean}.</returns>
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protected override Task<bool> FetchAsyncInternal(BaseItem item, bool force, CancellationToken cancellationToken)
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{
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// Since we don't have anything truly async, and since deserializing can be expensive, create a task to force parallelism
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return Task.Run(() =>
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{
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cancellationToken.ThrowIfCancellationRequested();
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var entry = item.ResolveArgs.GetMetaFileByPath(Path.Combine(item.MetaLocation, LOCAL_META_FILE_NAME));
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if (entry.HasValue)
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{
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// read in our saved meta and pass to processing function
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var movieData = JsonSerializer.DeserializeFromFile<CompleteMovieData>(entry.Value.Path);
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cancellationToken.ThrowIfCancellationRequested();
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ProcessMainInfo(item, movieData);
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SetLastRefreshed(item, DateTime.UtcNow);
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return true;
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}
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return false;
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});
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}
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}
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}
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