jellyfin/MediaBrowser.Controller/Dto/DtoOptions.cs

using MediaBrowser.Model.Entities;
using MediaBrowser.Model.Querying;
using System;
using System.Collections.Generic;
using System.Linq;

namespace MediaBrowser.Controller.Dto
{
    public class DtoOptions
    {
        private static readonly List<ItemFields> DefaultExcludedFields = new List<ItemFields>
        {
            ItemFields.SeasonUserData
        };

        public List<ItemFields> Fields { get; set; }
        public List<ImageType> ImageTypes { get; set; }
        public int ImageTypeLimit { get; set; }
        public bool EnableImages { get; set; }
        public string DeviceId { get; set; }

        public DtoOptions()
        {
            Fields = new List<ItemFields>();
            ImageTypeLimit = int.MaxValue;
            EnableImages = true;

            Fields = Enum.GetNames(typeof (ItemFields))
                    .Select(i => (ItemFields) Enum.Parse(typeof (ItemFields), i, true))
                    .Except(DefaultExcludedFields)
                    .ToList();

            ImageTypes = Enum.GetNames(typeof(ImageType))
                .Select(i => (ImageType)Enum.Parse(typeof(ImageType), i, true))
                .ToList();
        }

        public int GetImageLimit(ImageType type)
        {
            if (EnableImages && ImageTypes.Contains(type))
            {
                return ImageTypeLimit;
            }

            return 0;
        }
    }
}