jellyfin/MediaBrowser.Controller/Providers/Movies/PersonProviderFromJson.cs

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using MediaBrowser.Common.Net;
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using MediaBrowser.Controller.Configuration;
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using MediaBrowser.Controller.Entities;
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using MediaBrowser.Model.Logging;
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using MediaBrowser.Model.Serialization;
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using System;
using System.IO;
using System.Threading;
using System.Threading.Tasks;
namespace MediaBrowser.Controller.Providers.Movies
{
/// <summary>
/// Class PersonProviderFromJson
/// </summary>
class PersonProviderFromJson : TmdbPersonProvider
{
public PersonProviderFromJson(IHttpClient httpClient, IJsonSerializer jsonSerializer, ILogManager logManager, IServerConfigurationManager configurationManager, IProviderManager providerManager)
: base(httpClient, jsonSerializer, logManager, configurationManager, providerManager)
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{
}
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/// <summary>
/// Supportses the specified item.
/// </summary>
/// <param name="item">The item.</param>
/// <returns><c>true</c> if XXXX, <c>false</c> otherwise</returns>
public override bool Supports(BaseItem item)
{
return item is Person;
}
/// <summary>
/// Gets a value indicating whether [requires internet].
/// </summary>
/// <value><c>true</c> if [requires internet]; otherwise, <c>false</c>.</value>
public override bool RequiresInternet
{
get
{
return false;
}
}
// Need to re-override to jump over intermediate implementation
/// <summary>
/// Needses the refresh internal.
/// </summary>
/// <param name="item">The item.</param>
/// <param name="providerInfo">The provider info.</param>
/// <returns><c>true</c> if XXXX, <c>false</c> otherwise</returns>
protected override bool NeedsRefreshInternal(BaseItem item, BaseProviderInfo providerInfo)
{
if (!item.ResolveArgs.ContainsMetaFileByName(MetaFileName))
{
return false;
}
return CompareDate(item) > providerInfo.LastRefreshed;
}
/// <summary>
/// Override this to return the date that should be compared to the last refresh date
/// to determine if this provider should be re-fetched.
/// </summary>
/// <param name="item">The item.</param>
/// <returns>DateTime.</returns>
protected override DateTime CompareDate(BaseItem item)
{
var entry = item.ResolveArgs.GetMetaFileByPath(Path.Combine(item.MetaLocation,MetaFileName));
return entry != null ? entry.Value.LastWriteTimeUtc : DateTime.MinValue;
}
/// <summary>
/// Gets the priority.
/// </summary>
/// <value>The priority.</value>
public override MetadataProviderPriority Priority
{
get
{
return MetadataProviderPriority.Third;
}
}
/// <summary>
/// Fetches metadata and returns true or false indicating if any work that requires persistence was done
/// </summary>
/// <param name="item">The item.</param>
/// <param name="force">if set to <c>true</c> [force].</param>
/// <param name="cancellationToken">The cancellation token.</param>
/// <returns>Task{System.Boolean}.</returns>
public override Task<bool> FetchAsync(BaseItem item, bool force, CancellationToken cancellationToken)
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{
return Task.Run(() =>
{
cancellationToken.ThrowIfCancellationRequested();
try
{
var personInfo = JsonSerializer.DeserializeFromFile<PersonResult>(Path.Combine(item.MetaLocation, MetaFileName));
cancellationToken.ThrowIfCancellationRequested();
ProcessInfo((Person)item, personInfo);
SetLastRefreshed(item, DateTime.UtcNow);
return true;
}
catch (FileNotFoundException)
{
// This is okay - just means we force refreshed and there isn't a json file
return false;
}
});
}
}
}