Esempio n. 1
0
 protected virtual QueryResult<Tuple<BaseItem, ItemCounts>> GetItems(GetItemsByName request, InternalItemsQuery query)
 {
     return new QueryResult<Tuple<BaseItem, ItemCounts>>();
 }
Esempio n. 2
0
 /// <summary>
 /// Gets all items.
 /// </summary>
 /// <param name="request">The request.</param>
 /// <param name="items">The items.</param>
 /// <returns>IEnumerable{Tuple{System.StringFunc{System.Int32}}}.</returns>
 protected override IEnumerable <BaseItem> GetAllItems(GetItemsByName request, IEnumerable <BaseItem> items)
 {
     throw new NotImplementedException();
 }
Esempio n. 3
0
 protected override QueryResult <Tuple <BaseItem, ItemCounts> > GetItems(GetItemsByName request, InternalItemsQuery query)
 {
     return(LibraryManager.GetGameGenres(query));
 }
 /// <summary>
 /// Gets all items.
 /// </summary>
 /// <param name="request">The request.</param>
 /// <param name="items">The items.</param>
 /// <returns>IEnumerable{Task{`0}}.</returns>
 protected abstract IEnumerable <BaseItem> GetAllItems(GetItemsByName request, IEnumerable <BaseItem> items);
        protected ItemsResult GetResultSlim(GetItemsByName request)
        {
            var dtoOptions = GetDtoOptions(request);

            User     user = null;
            BaseItem parentItem;

            if (!string.IsNullOrWhiteSpace(request.UserId))
            {
                user       = UserManager.GetUserById(request.UserId);
                parentItem = string.IsNullOrEmpty(request.ParentId) ? user.RootFolder : LibraryManager.GetItemById(request.ParentId);
            }
            else
            {
                parentItem = string.IsNullOrEmpty(request.ParentId) ? LibraryManager.RootFolder : LibraryManager.GetItemById(request.ParentId);
            }

            var excludeItemTypes = request.GetExcludeItemTypes();
            var includeItemTypes = request.GetIncludeItemTypes();
            var mediaTypes       = request.GetMediaTypes();

            var query = new InternalItemsQuery(user)
            {
                ExcludeItemTypes               = excludeItemTypes,
                IncludeItemTypes               = includeItemTypes,
                MediaTypes                     = mediaTypes,
                StartIndex                     = request.StartIndex,
                Limit                          = request.Limit,
                IsFavorite                     = request.IsFavorite,
                NameLessThan                   = request.NameLessThan,
                NameStartsWith                 = request.NameStartsWith,
                NameStartsWithOrGreater        = request.NameStartsWithOrGreater,
                AlbumArtistStartsWithOrGreater = request.AlbumArtistStartsWithOrGreater,
                Tags               = request.GetTags(),
                OfficialRatings    = request.GetOfficialRatings(),
                Genres             = request.GetGenres(),
                GenreIds           = request.GetGenreIds(),
                Studios            = request.GetStudios(),
                StudioIds          = request.GetStudioIds(),
                Person             = request.Person,
                PersonIds          = request.GetPersonIds(),
                PersonTypes        = request.GetPersonTypes(),
                Years              = request.GetYears(),
                MinCommunityRating = request.MinCommunityRating
            };

            if (!string.IsNullOrWhiteSpace(request.ParentId))
            {
                if (parentItem is Folder)
                {
                    query.AncestorIds = new[] { request.ParentId };
                }
                else
                {
                    query.ItemIds = new[] { request.ParentId };
                }
            }

            foreach (var filter in request.GetFilters())
            {
                switch (filter)
                {
                case ItemFilter.Dislikes:
                    query.IsLiked = false;
                    break;

                case ItemFilter.IsFavorite:
                    query.IsFavorite = true;
                    break;

                case ItemFilter.IsFavoriteOrLikes:
                    query.IsFavoriteOrLiked = true;
                    break;

                case ItemFilter.IsFolder:
                    query.IsFolder = true;
                    break;

                case ItemFilter.IsNotFolder:
                    query.IsFolder = false;
                    break;

                case ItemFilter.IsPlayed:
                    query.IsPlayed = true;
                    break;

                case ItemFilter.IsResumable:
                    query.IsResumable = true;
                    break;

                case ItemFilter.IsUnplayed:
                    query.IsPlayed = false;
                    break;

                case ItemFilter.Likes:
                    query.IsLiked = true;
                    break;
                }
            }

            var result = GetItems(request, query);

            var syncProgess = DtoService.GetSyncedItemProgress(dtoOptions);
            var dtos        = result.Items.Select(i =>
            {
                var dto = DtoService.GetItemByNameDto(i.Item1, dtoOptions, null, syncProgess, user);

                if (!string.IsNullOrWhiteSpace(request.IncludeItemTypes))
                {
                    SetItemCounts(dto, i.Item2);
                }
                return(dto);
            });

            return(new ItemsResult
            {
                Items = dtos.ToArray(),
                TotalRecordCount = result.TotalRecordCount
            });
        }
        /// <summary>
        /// Gets the specified request.
        /// </summary>
        /// <param name="request">The request.</param>
        /// <returns>Task{ItemsResult}.</returns>
        protected ItemsResult GetResult(GetItemsByName request)
        {
            var dtoOptions = GetDtoOptions(request);

            User            user = null;
            BaseItem        parentItem;
            List <BaseItem> libraryItems = null;

            if (!string.IsNullOrWhiteSpace(request.UserId))
            {
                user       = UserManager.GetUserById(request.UserId);
                parentItem = string.IsNullOrEmpty(request.ParentId) ? user.RootFolder : LibraryManager.GetItemById(request.ParentId);

                if (RequiresLibraryItems(request, dtoOptions))
                {
                    libraryItems = user.RootFolder.GetRecursiveChildren(user).ToList();
                }
            }
            else
            {
                parentItem = string.IsNullOrEmpty(request.ParentId) ? LibraryManager.RootFolder : LibraryManager.GetItemById(request.ParentId);
                if (RequiresLibraryItems(request, dtoOptions))
                {
                    libraryItems = LibraryManager.RootFolder.GetRecursiveChildren().ToList();
                }
            }

            IEnumerable <BaseItem> items;

            var excludeItemTypes = request.GetExcludeItemTypes();
            var includeItemTypes = request.GetIncludeItemTypes();
            var mediaTypes       = request.GetMediaTypes();

            var query = new InternalItemsQuery(user)
            {
                ExcludeItemTypes = excludeItemTypes,
                IncludeItemTypes = includeItemTypes,
                MediaTypes       = mediaTypes
            };

            Func <BaseItem, bool> filter = i => FilterItem(request, i, excludeItemTypes, includeItemTypes, mediaTypes);

            if (parentItem.IsFolder)
            {
                var folder = (Folder)parentItem;

                if (!string.IsNullOrWhiteSpace(request.UserId))
                {
                    items = request.Recursive ?
                            folder.GetRecursiveChildren(user, query) :
                            folder.GetChildren(user, true).Where(filter);
                }
                else
                {
                    items = request.Recursive ?
                            folder.GetRecursiveChildren(filter) :
                            folder.Children.Where(filter);
                }
            }
            else
            {
                items = new[] { parentItem }.Where(filter);
            }

            var extractedItems = GetAllItems(request, items);

            var filteredItems = FilterItems(request, extractedItems, user);

            filteredItems = FilterByLibraryItems(request, filteredItems.Cast <IItemByName>(), user, libraryItems).Cast <BaseItem>();

            filteredItems = LibraryManager.Sort(filteredItems, user, request.GetOrderBy(), request.SortOrder ?? SortOrder.Ascending);

            var ibnItemsArray = filteredItems.ToList();

            IEnumerable <BaseItem> ibnItems = ibnItemsArray;

            var result = new ItemsResult
            {
                TotalRecordCount = ibnItemsArray.Count
            };

            if (request.StartIndex.HasValue || request.Limit.HasValue)
            {
                if (request.StartIndex.HasValue)
                {
                    ibnItems = ibnItems.Skip(request.StartIndex.Value);
                }

                if (request.Limit.HasValue)
                {
                    ibnItems = ibnItems.Take(request.Limit.Value);
                }
            }

            IEnumerable <Tuple <BaseItem, List <BaseItem> > > tuples;

            if (dtoOptions.Fields.Contains(ItemFields.ItemCounts))
            {
                tuples = ibnItems.Select(i => new Tuple <BaseItem, List <BaseItem> >(i, ((IItemByName)i).GetTaggedItems(libraryItems).ToList()));
            }
            else
            {
                tuples = ibnItems.Select(i => new Tuple <BaseItem, List <BaseItem> >(i, new List <BaseItem>()));
            }

            var syncProgess = DtoService.GetSyncedItemProgress(dtoOptions);
            var dtos        = tuples.Select(i => DtoService.GetItemByNameDto(i.Item1, dtoOptions, i.Item2, syncProgess, user));

            result.Items = dtos.Where(i => i != null).ToArray();

            return(result);
        }
        /// <summary>
        /// Filters the items.
        /// </summary>
        /// <param name="request">The request.</param>
        /// <param name="items">The items.</param>
        /// <param name="user">The user.</param>
        /// <returns>IEnumerable{`0}.</returns>
        private IEnumerable <BaseItem> FilterItems(GetItemsByName request, IEnumerable <BaseItem> items, User user)
        {
            if (!string.IsNullOrEmpty(request.NameStartsWithOrGreater))
            {
                items = items.Where(i => string.Compare(request.NameStartsWithOrGreater, i.SortName, StringComparison.CurrentCultureIgnoreCase) < 1);
            }
            if (!string.IsNullOrEmpty(request.NameStartsWith))
            {
                items = items.Where(i => string.Compare(request.NameStartsWith, i.SortName.Substring(0, 1), StringComparison.CurrentCultureIgnoreCase) == 0);
            }

            if (!string.IsNullOrEmpty(request.NameLessThan))
            {
                items = items.Where(i => string.Compare(request.NameLessThan, i.SortName, StringComparison.CurrentCultureIgnoreCase) == 1);
            }

            var imageTypes = request.GetImageTypes().ToList();

            if (imageTypes.Count > 0)
            {
                items = items.Where(item => imageTypes.Any(item.HasImage));
            }

            var filters = request.GetFilters().ToList();

            if (filters.Contains(ItemFilter.Dislikes))
            {
                items = items.Where(i =>
                {
                    var userdata = UserDataRepository.GetUserData(user, i);

                    return(userdata != null && userdata.Likes.HasValue && !userdata.Likes.Value);
                });
            }

            if (filters.Contains(ItemFilter.Likes))
            {
                items = items.Where(i =>
                {
                    var userdata = UserDataRepository.GetUserData(user, i);

                    return(userdata != null && userdata.Likes.HasValue && userdata.Likes.Value);
                });
            }

            if (filters.Contains(ItemFilter.IsFavoriteOrLikes))
            {
                items = items.Where(i =>
                {
                    var userdata = UserDataRepository.GetUserData(user, i);

                    var likes    = userdata.Likes ?? false;
                    var favorite = userdata.IsFavorite;

                    return(likes || favorite);
                });
            }

            if (filters.Contains(ItemFilter.IsFavorite))
            {
                items = items.Where(i =>
                {
                    var userdata = UserDataRepository.GetUserData(user, i);

                    return(userdata != null && userdata.IsFavorite);
                });
            }

            // Avoid implicitly captured closure
            var currentRequest = request;

            return(items.Where(i => ApplyAdditionalFilters(currentRequest, i, user, false)));
        }
Esempio n. 8
0
        /// <summary>
        /// Gets the specified request.
        /// </summary>
        /// <param name="request">The request.</param>
        /// <returns>Task{ItemsResult}.</returns>
        protected QueryResult <BaseItemDto> GetResult(GetItemsByName request)
        {
            var dtoOptions = GetDtoOptions(AuthorizationContext, request);

            User     user = null;
            BaseItem parentItem;

            if (!request.UserId.Equals(Guid.Empty))
            {
                user       = UserManager.GetUserById(request.UserId);
                parentItem = string.IsNullOrEmpty(request.ParentId) ? LibraryManager.GetUserRootFolder() : LibraryManager.GetItemById(request.ParentId);
            }
            else
            {
                parentItem = string.IsNullOrEmpty(request.ParentId) ? LibraryManager.RootFolder : LibraryManager.GetItemById(request.ParentId);
            }

            IList <BaseItem> items;

            var excludeItemTypes = request.GetExcludeItemTypes();
            var includeItemTypes = request.GetIncludeItemTypes();
            var mediaTypes       = request.GetMediaTypes();

            var query = new InternalItemsQuery(user)
            {
                ExcludeItemTypes = excludeItemTypes,
                IncludeItemTypes = includeItemTypes,
                MediaTypes       = mediaTypes,
                DtoOptions       = dtoOptions
            };

            Func <BaseItem, bool> filter = i => FilterItem(request, i, excludeItemTypes, includeItemTypes, mediaTypes);

            if (parentItem.IsFolder)
            {
                var folder = (Folder)parentItem;

                if (!request.UserId.Equals(Guid.Empty))
                {
                    items = request.Recursive ?
                            folder.GetRecursiveChildren(user, query).ToList() :
                            folder.GetChildren(user, true).Where(filter).ToList();
                }
                else
                {
                    items = request.Recursive ?
                            folder.GetRecursiveChildren(filter) :
                            folder.Children.Where(filter).ToList();
                }
            }
            else
            {
                items = new[] { parentItem }.Where(filter).ToList();
            }

            var extractedItems = GetAllItems(request, items);

            var filteredItems = FilterItems(request, extractedItems, user);

            filteredItems = LibraryManager.Sort(filteredItems, user, request.GetOrderBy());

            var ibnItemsArray = filteredItems.ToList();

            IEnumerable <BaseItem> ibnItems = ibnItemsArray;

            var result = new QueryResult <BaseItemDto>
            {
                TotalRecordCount = ibnItemsArray.Count
            };

            if (request.StartIndex.HasValue || request.Limit.HasValue)
            {
                if (request.StartIndex.HasValue)
                {
                    ibnItems = ibnItems.Skip(request.StartIndex.Value);
                }

                if (request.Limit.HasValue)
                {
                    ibnItems = ibnItems.Take(request.Limit.Value);
                }
            }

            var tuples = ibnItems.Select(i => new Tuple <BaseItem, List <BaseItem> >(i, new List <BaseItem>()));

            var dtos = tuples.Select(i => DtoService.GetItemByNameDto(i.Item1, dtoOptions, i.Item2, user));

            result.Items = dtos.Where(i => i != null).ToArray();

            return(result);
        }
Esempio n. 9
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        protected QueryResult <BaseItemDto> GetResultSlim(GetItemsByName request)
        {
            var dtoOptions = GetDtoOptions(AuthorizationContext, request);

            User     user = null;
            BaseItem parentItem;

            if (!request.UserId.Equals(Guid.Empty))
            {
                user       = UserManager.GetUserById(request.UserId);
                parentItem = string.IsNullOrEmpty(request.ParentId) ? LibraryManager.GetUserRootFolder() : LibraryManager.GetItemById(request.ParentId);
            }
            else
            {
                parentItem = string.IsNullOrEmpty(request.ParentId) ? LibraryManager.RootFolder : LibraryManager.GetItemById(request.ParentId);
            }

            var excludeItemTypes = request.GetExcludeItemTypes();
            var includeItemTypes = request.GetIncludeItemTypes();
            var mediaTypes       = request.GetMediaTypes();

            var query = new InternalItemsQuery(user)
            {
                ExcludeItemTypes        = excludeItemTypes,
                IncludeItemTypes        = includeItemTypes,
                MediaTypes              = mediaTypes,
                StartIndex              = request.StartIndex,
                Limit                   = request.Limit,
                IsFavorite              = request.IsFavorite,
                NameLessThan            = request.NameLessThan,
                NameStartsWith          = request.NameStartsWith,
                NameStartsWithOrGreater = request.NameStartsWithOrGreater,
                Tags               = request.GetTags(),
                OfficialRatings    = request.GetOfficialRatings(),
                Genres             = request.GetGenres(),
                GenreIds           = GetGuids(request.GenreIds),
                StudioIds          = GetGuids(request.StudioIds),
                Person             = request.Person,
                PersonIds          = GetGuids(request.PersonIds),
                PersonTypes        = request.GetPersonTypes(),
                Years              = request.GetYears(),
                MinCommunityRating = request.MinCommunityRating,
                DtoOptions         = dtoOptions
            };

            if (!string.IsNullOrWhiteSpace(request.ParentId))
            {
                if (parentItem is Folder)
                {
                    query.AncestorIds = new[] { new Guid(request.ParentId) };
                }
                else
                {
                    query.ItemIds = new[] { new Guid(request.ParentId) };
                }
            }

            // Studios
            if (!string.IsNullOrEmpty(request.Studios))
            {
                query.StudioIds = request.Studios.Split('|').Select(i =>
                {
                    try
                    {
                        return(LibraryManager.GetStudio(i));
                    }
                    catch
                    {
                        return(null);
                    }
                }).Where(i => i != null).Select(i => i.Id).ToArray();
            }

            foreach (var filter in request.GetFilters())
            {
                switch (filter)
                {
                case ItemFilter.Dislikes:
                    query.IsLiked = false;
                    break;

                case ItemFilter.IsFavorite:
                    query.IsFavorite = true;
                    break;

                case ItemFilter.IsFavoriteOrLikes:
                    query.IsFavoriteOrLiked = true;
                    break;

                case ItemFilter.IsFolder:
                    query.IsFolder = true;
                    break;

                case ItemFilter.IsNotFolder:
                    query.IsFolder = false;
                    break;

                case ItemFilter.IsPlayed:
                    query.IsPlayed = true;
                    break;

                case ItemFilter.IsResumable:
                    query.IsResumable = true;
                    break;

                case ItemFilter.IsUnplayed:
                    query.IsPlayed = false;
                    break;

                case ItemFilter.Likes:
                    query.IsLiked = true;
                    break;
                }
            }

            var result = GetItems(request, query);

            var dtos = result.Items.Select(i =>
            {
                var dto = DtoService.GetItemByNameDto(i.Item1, dtoOptions, null, user);

                if (!string.IsNullOrWhiteSpace(request.IncludeItemTypes))
                {
                    SetItemCounts(dto, i.Item2);
                }
                return(dto);
            });

            return(new QueryResult <BaseItemDto>
            {
                Items = dtos.ToArray(result.Items.Length),
                TotalRecordCount = result.TotalRecordCount
            });
        }
        /// <summary>
        /// Gets the specified request.
        /// </summary>
        /// <param name="request">The request.</param>
        /// <returns>Task{ItemsResult}.</returns>
        protected async Task <ItemsResult> GetResult(GetItemsByName request)
        {
            User     user = null;
            BaseItem item;

            if (request.UserId.HasValue)
            {
                user = UserManager.GetUserById(request.UserId.Value);
                item = string.IsNullOrEmpty(request.ParentId) ? user.RootFolder : DtoService.GetItemByDtoId(request.ParentId, user.Id);
            }
            else
            {
                item = string.IsNullOrEmpty(request.ParentId) ? LibraryManager.RootFolder : DtoService.GetItemByDtoId(request.ParentId);
            }

            IEnumerable <BaseItem> items;

            if (item.IsFolder)
            {
                var folder = (Folder)item;

                if (request.UserId.HasValue)
                {
                    items = request.Recursive ? folder.GetRecursiveChildren(user) : folder.GetChildren(user, true);
                }
                else
                {
                    items = request.Recursive ? folder.RecursiveChildren : folder.Children;
                }
            }
            else
            {
                items = new[] { item };
            }

            items = FilterItems(request, items);

            var ibnItemTasks   = GetAllItems(request, items);
            var extractedItems = await Task.WhenAll(ibnItemTasks).ConfigureAwait(false);

            var filteredItems = FilterItems(request, extractedItems, user);

            filteredItems = ItemsService.ApplySortOrder(request, filteredItems, user, LibraryManager).Cast <TItemType>();

            var ibnItemsArray = filteredItems.ToArray();

            IEnumerable <TItemType> ibnItems = ibnItemsArray;

            var result = new ItemsResult
            {
                TotalRecordCount = ibnItemsArray.Length
            };

            if (request.StartIndex.HasValue || request.Limit.HasValue)
            {
                if (request.StartIndex.HasValue)
                {
                    ibnItems = ibnItems.Skip(request.StartIndex.Value);
                }

                if (request.Limit.HasValue)
                {
                    ibnItems = ibnItems.Take(request.Limit.Value);
                }
            }

            var fields = request.GetItemFields().ToList();

            var tasks = ibnItems.Select(i => GetDto(i, user, fields));

            var resultItems = await Task.WhenAll(tasks).ConfigureAwait(false);

            result.Items = resultItems.Where(i => i != null).ToArray();

            return(result);
        }
        /// <summary>
        /// Filters the items.
        /// </summary>
        /// <param name="request">The request.</param>
        /// <param name="items">The items.</param>
        /// <param name="user">The user.</param>
        /// <returns>IEnumerable{`0}.</returns>
        private IEnumerable <TItemType> FilterItems(GetItemsByName request, IEnumerable <TItemType> items, User user)
        {
            if (!string.IsNullOrEmpty(request.NameStartsWithOrGreater))
            {
                items = items.Where(i => string.Compare(request.NameStartsWithOrGreater, i.Name, StringComparison.CurrentCultureIgnoreCase) < 1);
            }

            var imageTypes = request.GetImageTypes().ToArray();

            if (imageTypes.Length > 0)
            {
                items = items.Where(item => imageTypes.Any(imageType => ItemsService.HasImage(item, imageType)));
            }

            var filters = request.GetFilters().ToList();

            if (filters.Count == 0)
            {
                return(items);
            }

            items = items.AsParallel();

            if (filters.Contains(ItemFilter.Dislikes))
            {
                items = items.Where(i =>
                {
                    var userdata = UserDataRepository.GetUserData(user.Id, i.GetUserDataKey());

                    return(userdata != null && userdata.Likes.HasValue && !userdata.Likes.Value);
                });
            }

            if (filters.Contains(ItemFilter.Likes))
            {
                items = items.Where(i =>
                {
                    var userdata = UserDataRepository.GetUserData(user.Id, i.GetUserDataKey());

                    return(userdata != null && userdata.Likes.HasValue && userdata.Likes.Value);
                });
            }

            if (filters.Contains(ItemFilter.IsFavoriteOrLikes))
            {
                items = items.Where(i =>
                {
                    var userdata = UserDataRepository.GetUserData(user.Id, i.GetUserDataKey());

                    var likes    = userdata.Likes ?? false;
                    var favorite = userdata.IsFavorite;

                    return(likes || favorite);
                });
            }

            if (filters.Contains(ItemFilter.IsFavorite))
            {
                items = items.Where(i =>
                {
                    var userdata = UserDataRepository.GetUserData(user.Id, i.GetUserDataKey());

                    return(userdata != null && userdata.Likes.HasValue && userdata.IsFavorite);
                });
            }

            return(items.AsEnumerable());
        }
Esempio n. 12
0
        /// <summary>
        /// Gets the specified request.
        /// </summary>
        /// <param name="request">The request.</param>
        /// <returns>Task{ItemsResult}.</returns>
        protected ItemsResult GetResult(GetItemsByName request)
        {
            User            user = null;
            BaseItem        item;
            List <BaseItem> libraryItems;

            if (request.UserId.HasValue)
            {
                user = UserManager.GetUserById(request.UserId.Value);
                item = string.IsNullOrEmpty(request.ParentId) ? user.RootFolder : LibraryManager.GetItemById(request.ParentId);

                libraryItems = user.RootFolder.GetRecursiveChildren(user).ToList();
            }
            else
            {
                item = string.IsNullOrEmpty(request.ParentId) ? LibraryManager.RootFolder : LibraryManager.GetItemById(request.ParentId);

                libraryItems = LibraryManager.RootFolder.RecursiveChildren.ToList();
            }

            IEnumerable <BaseItem> items;

            if (item.IsFolder)
            {
                var folder = (Folder)item;

                if (request.UserId.HasValue)
                {
                    items = request.Recursive ? folder.GetRecursiveChildren(user) : folder.GetChildren(user, true);
                }
                else
                {
                    items = request.Recursive ? folder.GetRecursiveChildren() : folder.Children;
                }
            }
            else
            {
                items = new[] { item };
            }

            items = FilterItems(request, items);

            var extractedItems = GetAllItems(request, items);

            var filteredItems = FilterItems(request, extractedItems, user);

            filteredItems = FilterByLibraryItems(request, filteredItems, user, libraryItems);

            filteredItems = ItemsService.ApplySortOrder(request, filteredItems, user, LibraryManager).Cast <TItemType>();

            var ibnItemsArray = filteredItems.ToList();

            IEnumerable <TItemType> ibnItems = ibnItemsArray;

            var result = new ItemsResult
            {
                TotalRecordCount = ibnItemsArray.Count
            };

            if (request.StartIndex.HasValue || request.Limit.HasValue)
            {
                if (request.StartIndex.HasValue)
                {
                    ibnItems = ibnItems.Skip(request.StartIndex.Value);
                }

                if (request.Limit.HasValue)
                {
                    ibnItems = ibnItems.Take(request.Limit.Value);
                }
            }

            var fields = request.GetItemFields().ToList();

            var tuples = ibnItems.Select(i => new Tuple <TItemType, List <BaseItem> >(i, i.GetTaggedItems(libraryItems).ToList()));

            var dtos = tuples.Select(i => GetDto(i.Item1, user, fields, i.Item2));

            result.Items = dtos.Where(i => i != null).ToArray();

            return(result);
        }
 /// <summary>
 /// Gets all items.
 /// </summary>
 /// <param name="request">The request.</param>
 /// <param name="items">The items.</param>
 /// <returns>IEnumerable{Tuple{System.StringFunc{System.Int32}}}.</returns>
 protected abstract IEnumerable <IbnStub <TItemType> > GetAllItems(GetItemsByName request, IEnumerable <BaseItem> items);
        /// <summary>
        /// Filters the items.
        /// </summary>
        /// <param name="request">The request.</param>
        /// <param name="items">The items.</param>
        /// <param name="user">The user.</param>
        /// <returns>IEnumerable{IbnStub}.</returns>
        private IEnumerable <IbnStub <TItemType> > FilterItems(GetItemsByName request, IEnumerable <IbnStub <TItemType> > items, User user)
        {
            if (!string.IsNullOrEmpty(request.NameStartsWithOrGreater))
            {
                items = items.Where(i => string.Compare(request.NameStartsWithOrGreater, i.Name, StringComparison.CurrentCultureIgnoreCase) < 1);
            }

            var filters = request.GetFilters().ToList();

            if (filters.Count == 0)
            {
                return(items);
            }

            items = items.AsParallel();

            if (filters.Contains(ItemFilter.Dislikes))
            {
                items = items.Where(i =>
                {
                    var userdata = i.GetUserItemData(UserDataRepository, user.Id).Result;

                    return(userdata != null && userdata.Likes.HasValue && !userdata.Likes.Value);
                });
            }

            if (filters.Contains(ItemFilter.Likes))
            {
                items = items.Where(i =>
                {
                    var userdata = i.GetUserItemData(UserDataRepository, user.Id).Result;

                    return(userdata != null && userdata.Likes.HasValue && userdata.Likes.Value);
                });
            }

            if (filters.Contains(ItemFilter.IsFavoriteOrLikes))
            {
                items = items.Where(i =>
                {
                    var userdata = i.GetUserItemData(UserDataRepository, user.Id).Result;

                    if (userdata == null)
                    {
                        return(false);
                    }

                    var likes    = userdata.Likes ?? false;
                    var favorite = userdata.IsFavorite;

                    return(likes || favorite);
                });
            }

            if (filters.Contains(ItemFilter.IsFavorite))
            {
                items = items.Where(i =>
                {
                    var userdata = i.GetUserItemData(UserDataRepository, user.Id).Result;

                    return(userdata != null && userdata.Likes.HasValue && userdata.IsFavorite);
                });
            }

            return(items.AsEnumerable());
        }