bitwarden-android/src/App/Repositories/FolderRepository.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using Bit.App.Abstractions;
using Bit.App.Models.Data;

namespace Bit.App.Repositories
{
    public class FolderRepository : Repository<FolderData, string>, IFolderRepository
    {
        public FolderRepository(ISqlService sqlService)
            : base(sqlService)
        { }

        public Task<IEnumerable<FolderData>> GetAllByUserIdAsync(string userId)
        {
            var folders = Connection.Table<FolderData>().Where(f => f.UserId == userId).Cast<FolderData>();
            return Task.FromResult(folders);
        }
    }
}