Kyoo/Kyoo.Core/Controllers/LibraryManager.cs

520 lines
16 KiB
C#

using System;
using System.Collections.Generic;
using System.Linq;
using System.Linq.Expressions;
using System.Threading.Tasks;
using Kyoo.Abstractions.Controllers;
using Kyoo.Abstractions.Models;
using Kyoo.Abstractions.Models.Exceptions;
using Kyoo.Utils;
namespace Kyoo.Core.Controllers
{
public class LibraryManager : ILibraryManager
{
/// <summary>
/// The list of repositories
/// </summary>
private readonly IBaseRepository[] _repositories;
/// <inheritdoc />
public ILibraryRepository LibraryRepository { get; }
/// <inheritdoc />
public ILibraryItemRepository LibraryItemRepository { get; }
/// <inheritdoc />
public ICollectionRepository CollectionRepository { get; }
/// <inheritdoc />
public IShowRepository ShowRepository { get; }
/// <inheritdoc />
public ISeasonRepository SeasonRepository { get; }
/// <inheritdoc />
public IEpisodeRepository EpisodeRepository { get; }
/// <inheritdoc />
public ITrackRepository TrackRepository { get; }
/// <inheritdoc />
public IPeopleRepository PeopleRepository { get; }
/// <inheritdoc />
public IStudioRepository StudioRepository { get; }
/// <inheritdoc />
public IGenreRepository GenreRepository { get; }
/// <inheritdoc />
public IProviderRepository ProviderRepository { get; }
/// <inheritdoc />
public IUserRepository UserRepository { get; }
/// <summary>
/// Create a new <see cref="LibraryManager"/> instance with every repository available.
/// </summary>
/// <param name="repositories">The list of repositories that this library manager should manage.
/// If a repository for every base type is not available, this instance won't be stable.</param>
public LibraryManager(IEnumerable<IBaseRepository> repositories)
{
_repositories = repositories.ToArray();
LibraryRepository = GetRepository<Library>() as ILibraryRepository;
LibraryItemRepository = GetRepository<LibraryItem>() as ILibraryItemRepository;
CollectionRepository = GetRepository<Collection>() as ICollectionRepository;
ShowRepository = GetRepository<Show>() as IShowRepository;
SeasonRepository = GetRepository<Season>() as ISeasonRepository;
EpisodeRepository = GetRepository<Episode>() as IEpisodeRepository;
TrackRepository = GetRepository<Track>() as ITrackRepository;
PeopleRepository = GetRepository<People>() as IPeopleRepository;
StudioRepository = GetRepository<Studio>() as IStudioRepository;
GenreRepository = GetRepository<Genre>() as IGenreRepository;
ProviderRepository = GetRepository<Provider>() as IProviderRepository;
UserRepository = GetRepository<User>() as IUserRepository;
}
/// <inheritdoc />
public IRepository<T> GetRepository<T>()
where T : class, IResource
{
if (_repositories.FirstOrDefault(x => x.RepositoryType == typeof(T)) is IRepository<T> ret)
return ret;
throw new ItemNotFoundException($"No repository found for the type {typeof(T).Name}.");
}
/// <inheritdoc />
public Task<T> Get<T>(int id)
where T : class, IResource
{
return GetRepository<T>().Get(id);
}
/// <inheritdoc />
public Task<T> Get<T>(string slug)
where T : class, IResource
{
return GetRepository<T>().Get(slug);
}
/// <inheritdoc />
public Task<T> Get<T>(Expression<Func<T, bool>> where)
where T : class, IResource
{
return GetRepository<T>().Get(where);
}
/// <inheritdoc />
public Task<Season> Get(int showID, int seasonNumber)
{
return SeasonRepository.Get(showID, seasonNumber);
}
/// <inheritdoc />
public Task<Season> Get(string showSlug, int seasonNumber)
{
return SeasonRepository.Get(showSlug, seasonNumber);
}
/// <inheritdoc />
public Task<Episode> Get(int showID, int seasonNumber, int episodeNumber)
{
return EpisodeRepository.Get(showID, seasonNumber, episodeNumber);
}
/// <inheritdoc />
public Task<Episode> Get(string showSlug, int seasonNumber, int episodeNumber)
{
return EpisodeRepository.Get(showSlug, seasonNumber, episodeNumber);
}
/// <inheritdoc />
public async Task<T> GetOrDefault<T>(int id)
where T : class, IResource
{
return await GetRepository<T>().GetOrDefault(id);
}
/// <inheritdoc />
public async Task<T> GetOrDefault<T>(string slug)
where T : class, IResource
{
return await GetRepository<T>().GetOrDefault(slug);
}
/// <inheritdoc />
public async Task<T> GetOrDefault<T>(Expression<Func<T, bool>> where)
where T : class, IResource
{
return await GetRepository<T>().GetOrDefault(where);
}
/// <inheritdoc />
public async Task<Season> GetOrDefault(int showID, int seasonNumber)
{
return await SeasonRepository.GetOrDefault(showID, seasonNumber);
}
/// <inheritdoc />
public async Task<Season> GetOrDefault(string showSlug, int seasonNumber)
{
return await SeasonRepository.GetOrDefault(showSlug, seasonNumber);
}
/// <inheritdoc />
public async Task<Episode> GetOrDefault(int showID, int seasonNumber, int episodeNumber)
{
return await EpisodeRepository.GetOrDefault(showID, seasonNumber, episodeNumber);
}
/// <inheritdoc />
public async Task<Episode> GetOrDefault(string showSlug, int seasonNumber, int episodeNumber)
{
return await EpisodeRepository.GetOrDefault(showSlug, seasonNumber, episodeNumber);
}
/// <summary>
/// Set relations between to objects.
/// </summary>
/// <param name="obj">The owner object</param>
/// <param name="loader">A Task to load a collection of related objects</param>
/// <param name="setter">A setter function to store the collection of related objects</param>
/// <param name="inverse">A setter function to store the owner of a releated object loaded</param>
/// <typeparam name="T1">The type of the owner object</typeparam>
/// <typeparam name="T2">The type of the related object</typeparam>
private static async Task SetRelation<T1, T2>(T1 obj,
Task<ICollection<T2>> loader,
Action<T1, ICollection<T2>> setter,
Action<T2, T1> inverse)
{
ICollection<T2> loaded = await loader;
setter(obj, loaded);
foreach (T2 item in loaded)
inverse(item, obj);
}
/// <inheritdoc />
public Task<T> Load<T, T2>(T obj, Expression<Func<T, T2>> member, bool force = false)
where T : class, IResource
where T2 : class, IResource
{
if (member == null)
throw new ArgumentNullException(nameof(member));
return Load(obj, Utility.GetPropertyName(member), force);
}
/// <inheritdoc />
public Task<T> Load<T, T2>(T obj, Expression<Func<T, ICollection<T2>>> member, bool force = false)
where T : class, IResource
where T2 : class
{
if (member == null)
throw new ArgumentNullException(nameof(member));
return Load(obj, Utility.GetPropertyName(member), force);
}
/// <inheritdoc />
public async Task<T> Load<T>(T obj, string memberName, bool force = false)
where T : class, IResource
{
await Load(obj as IResource, memberName, force);
return obj;
}
/// <inheritdoc />
public Task Load(IResource obj, string memberName, bool force = false)
{
if (obj == null)
throw new ArgumentNullException(nameof(obj));
object existingValue = obj.GetType()
.GetProperties()
.FirstOrDefault(x => string.Equals(x.Name, memberName, StringComparison.InvariantCultureIgnoreCase))
?.GetValue(obj);
if (existingValue != null && !force)
return Task.CompletedTask;
return (obj, member: memberName) switch
{
(Library l, nameof(Library.Providers)) => ProviderRepository
.GetAll(x => x.Libraries.Any(y => y.ID == obj.ID))
.Then(x => l.Providers = x),
(Library l, nameof(Library.Shows)) => ShowRepository
.GetAll(x => x.Libraries.Any(y => y.ID == obj.ID))
.Then(x => l.Shows = x),
(Library l, nameof(Library.Collections)) => CollectionRepository
.GetAll(x => x.Libraries.Any(y => y.ID == obj.ID))
.Then(x => l.Collections = x),
(Collection c, nameof(Collection.ExternalIDs)) => SetRelation(c,
ProviderRepository.GetMetadataID<Collection>(x => x.ResourceID == obj.ID),
(x, y) => x.ExternalIDs = y,
(x, y) => { x.ResourceID = y.ID; }),
(Collection c, nameof(Collection.Shows)) => ShowRepository
.GetAll(x => x.Collections.Any(y => y.ID == obj.ID))
.Then(x => c.Shows = x),
(Collection c, nameof(Collection.Libraries)) => LibraryRepository
.GetAll(x => x.Collections.Any(y => y.ID == obj.ID))
.Then(x => c.Libraries = x),
(Show s, nameof(Show.ExternalIDs)) => SetRelation(s,
ProviderRepository.GetMetadataID<Show>(x => x.ResourceID == obj.ID),
(x, y) => x.ExternalIDs = y,
(x, y) => { x.ResourceID = y.ID; }),
(Show s, nameof(Show.Genres)) => GenreRepository
.GetAll(x => x.Shows.Any(y => y.ID == obj.ID))
.Then(x => s.Genres = x),
(Show s, nameof(Show.People)) => PeopleRepository
.GetFromShow(obj.ID)
.Then(x => s.People = x),
(Show s, nameof(Show.Seasons)) => SetRelation(s,
SeasonRepository.GetAll(x => x.Show.ID == obj.ID),
(x, y) => x.Seasons = y,
(x, y) => { x.Show = y; x.ShowID = y.ID; }),
(Show s, nameof(Show.Episodes)) => SetRelation(s,
EpisodeRepository.GetAll(x => x.Show.ID == obj.ID),
(x, y) => x.Episodes = y,
(x, y) => { x.Show = y; x.ShowID = y.ID; }),
(Show s, nameof(Show.Libraries)) => LibraryRepository
.GetAll(x => x.Shows.Any(y => y.ID == obj.ID))
.Then(x => s.Libraries = x),
(Show s, nameof(Show.Collections)) => CollectionRepository
.GetAll(x => x.Shows.Any(y => y.ID == obj.ID))
.Then(x => s.Collections = x),
(Show s, nameof(Show.Studio)) => StudioRepository
.GetOrDefault(x => x.Shows.Any(y => y.ID == obj.ID))
.Then(x =>
{
s.Studio = x;
s.StudioID = x?.ID ?? 0;
}),
(Season s, nameof(Season.ExternalIDs)) => SetRelation(s,
ProviderRepository.GetMetadataID<Season>(x => x.ResourceID == obj.ID),
(x, y) => x.ExternalIDs = y,
(x, y) => { x.ResourceID = y.ID; }),
(Season s, nameof(Season.Episodes)) => SetRelation(s,
EpisodeRepository.GetAll(x => x.Season.ID == obj.ID),
(x, y) => x.Episodes = y,
(x, y) => { x.Season = y; x.SeasonID = y.ID; }),
(Season s, nameof(Season.Show)) => ShowRepository
.GetOrDefault(x => x.Seasons.Any(y => y.ID == obj.ID))
.Then(x =>
{
s.Show = x;
s.ShowID = x?.ID ?? 0;
}),
(Episode e, nameof(Episode.ExternalIDs)) => SetRelation(e,
ProviderRepository.GetMetadataID<Episode>(x => x.ResourceID == obj.ID),
(x, y) => x.ExternalIDs = y,
(x, y) => { x.ResourceID = y.ID; }),
(Episode e, nameof(Episode.Tracks)) => SetRelation(e,
TrackRepository.GetAll(x => x.Episode.ID == obj.ID),
(x, y) => x.Tracks = y,
(x, y) => { x.Episode = y; x.EpisodeID = y.ID; }),
(Episode e, nameof(Episode.Show)) => ShowRepository
.GetOrDefault(x => x.Episodes.Any(y => y.ID == obj.ID))
.Then(x =>
{
e.Show = x;
e.ShowID = x?.ID ?? 0;
}),
(Episode e, nameof(Episode.Season)) => SeasonRepository
.GetOrDefault(x => x.Episodes.Any(y => y.ID == e.ID))
.Then(x =>
{
e.Season = x;
e.SeasonID = x?.ID ?? 0;
}),
(Track t, nameof(Track.Episode)) => EpisodeRepository
.GetOrDefault(x => x.Tracks.Any(y => y.ID == obj.ID))
.Then(x =>
{
t.Episode = x;
t.EpisodeID = x?.ID ?? 0;
}),
(Genre g, nameof(Genre.Shows)) => ShowRepository
.GetAll(x => x.Genres.Any(y => y.ID == obj.ID))
.Then(x => g.Shows = x),
(Studio s, nameof(Studio.Shows)) => ShowRepository
.GetAll(x => x.Studio.ID == obj.ID)
.Then(x => s.Shows = x),
(Studio s, nameof(Studio.ExternalIDs)) => SetRelation(s,
ProviderRepository.GetMetadataID<Studio>(x => x.ResourceID == obj.ID),
(x, y) => x.ExternalIDs = y,
(x, y) => { x.ResourceID = y.ID; }),
(People p, nameof(People.ExternalIDs)) => SetRelation(p,
ProviderRepository.GetMetadataID<People>(x => x.ResourceID == obj.ID),
(x, y) => x.ExternalIDs = y,
(x, y) => { x.ResourceID = y.ID; }),
(People p, nameof(People.Roles)) => PeopleRepository
.GetFromPeople(obj.ID)
.Then(x => p.Roles = x),
(Provider p, nameof(Provider.Libraries)) => LibraryRepository
.GetAll(x => x.Providers.Any(y => y.ID == obj.ID))
.Then(x => p.Libraries = x),
_ => throw new ArgumentException($"Couldn't find a way to load {memberName} of {obj.Slug}.")
};
}
/// <inheritdoc />
public Task<ICollection<LibraryItem>> GetItemsFromLibrary(int id,
Expression<Func<LibraryItem, bool>> where = null,
Sort<LibraryItem> sort = default,
Pagination limit = default)
{
return LibraryItemRepository.GetFromLibrary(id, where, sort, limit);
}
/// <inheritdoc />
public Task<ICollection<LibraryItem>> GetItemsFromLibrary(string slug,
Expression<Func<LibraryItem, bool>> where = null,
Sort<LibraryItem> sort = default,
Pagination limit = default)
{
return LibraryItemRepository.GetFromLibrary(slug, where, sort, limit);
}
/// <inheritdoc />
public Task<ICollection<PeopleRole>> GetPeopleFromShow(int showID,
Expression<Func<PeopleRole, bool>> where = null,
Sort<PeopleRole> sort = default,
Pagination limit = default)
{
return PeopleRepository.GetFromShow(showID, where, sort, limit);
}
/// <inheritdoc />
public Task<ICollection<PeopleRole>> GetPeopleFromShow(string showSlug,
Expression<Func<PeopleRole, bool>> where = null,
Sort<PeopleRole> sort = default,
Pagination limit = default)
{
return PeopleRepository.GetFromShow(showSlug, where, sort, limit);
}
/// <inheritdoc />
public Task<ICollection<PeopleRole>> GetRolesFromPeople(int id,
Expression<Func<PeopleRole, bool>> where = null,
Sort<PeopleRole> sort = default,
Pagination limit = default)
{
return PeopleRepository.GetFromPeople(id, where, sort, limit);
}
/// <inheritdoc />
public Task<ICollection<PeopleRole>> GetRolesFromPeople(string slug,
Expression<Func<PeopleRole, bool>> where = null,
Sort<PeopleRole> sort = default,
Pagination limit = default)
{
return PeopleRepository.GetFromPeople(slug, where, sort, limit);
}
/// <inheritdoc />
public Task AddShowLink(int showID, int? libraryID, int? collectionID)
{
return ShowRepository.AddShowLink(showID, libraryID, collectionID);
}
/// <inheritdoc />
public Task AddShowLink(Show show, Library library, Collection collection)
{
if (show == null)
throw new ArgumentNullException(nameof(show));
return ShowRepository.AddShowLink(show.ID, library?.ID, collection?.ID);
}
/// <inheritdoc />
public Task<ICollection<T>> GetAll<T>(Expression<Func<T, bool>> where = null,
Sort<T> sort = default,
Pagination limit = default)
where T : class, IResource
{
return GetRepository<T>().GetAll(where, sort, limit);
}
/// <inheritdoc />
public Task<int> GetCount<T>(Expression<Func<T, bool>> where = null)
where T : class, IResource
{
return GetRepository<T>().GetCount(where);
}
/// <inheritdoc />
public Task<ICollection<T>> Search<T>(string query)
where T : class, IResource
{
return GetRepository<T>().Search(query);
}
/// <inheritdoc />
public Task<T> Create<T>(T item)
where T : class, IResource
{
return GetRepository<T>().Create(item);
}
/// <inheritdoc />
public Task<T> CreateIfNotExists<T>(T item)
where T : class, IResource
{
return GetRepository<T>().CreateIfNotExists(item);
}
/// <inheritdoc />
public Task<T> Edit<T>(T item, bool resetOld)
where T : class, IResource
{
return GetRepository<T>().Edit(item, resetOld);
}
/// <inheritdoc />
public Task Delete<T>(T item)
where T : class, IResource
{
return GetRepository<T>().Delete(item);
}
/// <inheritdoc />
public Task Delete<T>(int id)
where T : class, IResource
{
return GetRepository<T>().Delete(id);
}
/// <inheritdoc />
public Task Delete<T>(string slug)
where T : class, IResource
{
return GetRepository<T>().Delete(slug);
}
}
}