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using MediaBrowser.Model.Entities;
using System;
using System.Collections.Generic;
using System.Threading;
using System.Threading.Tasks;
namespace MediaBrowser.Controller.Providers
{
/// <summary>
/// Marker interface
/// </summary>
public interface IMetadataProvider
{
/// <summary>
/// Gets the name.
/// </summary>
/// <value>The name.</value>
string Name { get; }
}
public interface IMetadataProvider<TItemType> : IMetadataProvider
where TItemType : IHasMetadata
{
}
public interface ILocalMetadataProvider : IMetadataProvider
{
/// <summary>
/// Determines whether [has local metadata] [the specified item].
/// </summary>
/// <param name="item">The item.</param>
/// <returns><c>true</c> if [has local metadata] [the specified item]; otherwise, <c>false</c>.</returns>
bool HasLocalMetadata(IHasMetadata item);
}
public interface IRemoteMetadataProvider : IMetadataProvider
{
}
public interface IRemoteMetadataProvider<TItemType> : IMetadataProvider<TItemType>, IRemoteMetadataProvider
where TItemType : IHasMetadata
{
Task<MetadataResult<TItemType>> GetMetadata(ItemId id, CancellationToken cancellationToken);
}
public interface ILocalMetadataProvider<TItemType> : IMetadataProvider<TItemType>, ILocalMetadataProvider
where TItemType : IHasMetadata
{
Task<MetadataResult<TItemType>> GetMetadata(string path, CancellationToken cancellationToken);
}
public interface IHasChangeMonitor
{
/// <summary>
/// Determines whether the specified date has changed.
/// </summary>
/// <param name="item">The item.</param>
/// <param name="date">The date.</param>
/// <returns><c>true</c> if the specified date has changed; otherwise, <c>false</c>.</returns>
bool HasChanged(IHasMetadata item, DateTime date);
}
public enum MetadataProviderType
{
Embedded = 0,
Local = 1,
Remote = 2
}
public class MetadataResult<T>
where T : IHasMetadata
{
public bool HasMetadata { get; set; }
public T Item { get; set; }
}
public class ItemId : IHasProviderIds
{
public string Name { get; set; }
public string MetadataLanguage { get; set; }
public string MetadataCountryCode { get; set; }
public Dictionary<string, string> ProviderIds { get; set; }
public ItemId()
{
ProviderIds = new Dictionary<string, string>(StringComparer.OrdinalIgnoreCase);
}
}
}
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