/// <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;
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.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);
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 dtos = ibnItems.Select(i => GetDto(i, user, fields));
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 <TItemType> FilterItems(GetItemsByName request, IEnumerable <TItemType> 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(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.IsFavorite);
});
}
return(items.AsEnumerable());
}
