using System.Collections.Generic ;
using MediaBrowser.Controller.Entities ;
using System ;
using System.Threading ;
using System.Threading.Tasks ;
namespace MediaBrowser.Controller.Persistence
{
/// <summary>
/// Provides an interface to implement a UserData repository
/// </summary>
public interface IUserDataRepository : IRepository
{
/// <summary>
/// Saves the user data.
/// </summary>
/// <param name="userId">The user id.</param>
/// <param name="key">The key.</param>
/// <param name="userData">The user data.</param>
/// <param name="cancellationToken">The cancellation token.</param>
/// <returns>Task.</returns>
Task SaveUserData ( Guid userId , string key , UserItemData userData , CancellationToken cancellationToken ) ;
/// <summary>
/// Gets the user data.
/// </summary>
/// <param name="userId">The user id.</param>
/// <param name="key">The key.</param>
/// <returns>Task{UserItemData}.</returns>
UserItemData GetUserData ( Guid userId , string key ) ;
UserItemData GetUserData ( Guid userId , List < string > keys ) ;
/// <summary>
/// Return all user data associated with the given user
/// </summary>
/// <param name="userId"></param>
/// <returns></returns>
IEnumerable < UserItemData > GetAllUserData ( Guid userId ) ;
/// <summary>
/// Save all user data associated with the given user
/// </summary>
/// <param name="userId"></param>
/// <param name="userData"></param>
/// <param name="cancellationToken"></param>
/// <returns></returns>
Task SaveAllUserData ( Guid userId , IEnumerable < UserItemData > userData , CancellationToken cancellationToken ) ;
}
}