jellyfin-server/MediaBrowser.Controller/Persistence/IItemRepository.cs
2013-06-20 12:44:24 -04:00

135 lines
4.7 KiB
C#

using MediaBrowser.Controller.Entities;
using MediaBrowser.Model.Entities;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading;
using System.Threading.Tasks;
namespace MediaBrowser.Controller.Persistence
{
/// <summary>
/// Provides an interface to implement an Item repository
/// </summary>
public interface IItemRepository : IRepository
{
/// <summary>
/// Opens the connection to the repository
/// </summary>
/// <returns>Task.</returns>
Task Initialize();
/// <summary>
/// Saves an item
/// </summary>
/// <param name="item">The item.</param>
/// <param name="cancellationToken">The cancellation token.</param>
/// <returns>Task.</returns>
Task SaveItem(BaseItem item, CancellationToken cancellationToken);
/// <summary>
/// Gets the critic reviews.
/// </summary>
/// <param name="itemId">The item id.</param>
/// <returns>Task{IEnumerable{ItemReview}}.</returns>
Task<IEnumerable<ItemReview>> GetCriticReviews(Guid itemId);
/// <summary>
/// Saves the critic reviews.
/// </summary>
/// <param name="itemId">The item id.</param>
/// <param name="criticReviews">The critic reviews.</param>
/// <returns>Task.</returns>
Task SaveCriticReviews(Guid itemId, IEnumerable<ItemReview> criticReviews);
/// <summary>
/// Saves the items.
/// </summary>
/// <param name="items">The items.</param>
/// <param name="cancellationToken">The cancellation token.</param>
/// <returns>Task.</returns>
Task SaveItems(IEnumerable<BaseItem> items, CancellationToken cancellationToken);
/// <summary>
/// Retrieves the item.
/// </summary>
/// <param name="id">The id.</param>
/// <param name="type">The type.</param>
/// <returns>BaseItem.</returns>
BaseItem RetrieveItem(Guid id, Type type);
/// <summary>
/// Gets chapters for an item
/// </summary>
/// <param name="id"></param>
/// <returns></returns>
IEnumerable<ChapterInfo> GetChapters(Guid id);
/// <summary>
/// Gets a single chapter for an item
/// </summary>
/// <param name="id"></param>
/// <param name="index"></param>
/// <returns></returns>
ChapterInfo GetChapter(Guid id, int index);
/// <summary>
/// Saves the chapters.
/// </summary>
/// <param name="id">The id.</param>
/// <param name="chapters">The chapters.</param>
/// <param name="cancellationToken">The cancellation token.</param>
/// <returns>Task.</returns>
Task SaveChapters(Guid id, IEnumerable<ChapterInfo> chapters, CancellationToken cancellationToken);
/// <summary>
/// Gets the children.
/// </summary>
/// <param name="parentId">The parent id.</param>
/// <returns>IEnumerable{ChildDefinition}.</returns>
IEnumerable<ChildDefinition> GetChildren(Guid parentId);
/// <summary>
/// Saves the children.
/// </summary>
/// <param name="parentId">The parent id.</param>
/// <param name="children">The children.</param>
/// <param name="cancellationToken">The cancellation token.</param>
/// <returns>Task.</returns>
Task SaveChildren(Guid parentId, IEnumerable<ChildDefinition> children, CancellationToken cancellationToken);
}
/// <summary>
/// Class ItemRepositoryExtensions
/// </summary>
public static class ItemRepositoryExtensions
{
/// <summary>
/// Retrieves the item.
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="repository">The repository.</param>
/// <param name="id">The id.</param>
/// <returns>``0.</returns>
public static T RetrieveItem<T>(this IItemRepository repository, Guid id)
where T : BaseItem, new()
{
return repository.RetrieveItem(id, typeof(T)) as T;
}
/// <summary>
/// Retrieves the item.
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="repository">The repository.</param>
/// <param name="idList">The id list.</param>
/// <returns>IEnumerable{``0}.</returns>
public static IEnumerable<T> RetrieveItems<T>(this IItemRepository repository, IEnumerable<Guid> idList)
where T : BaseItem, new()
{
return idList.Select(repository.RetrieveItem<T>).Where(i => i != null);
}
}
}