Umbraco-CMS/src/Umbraco.Web.Common/DependencyInjection/ConfigurePhysicalFileSystemCacheOptions.cs

using Microsoft.Extensions.Hosting;
using Microsoft.Extensions.Options;
using SixLabors.ImageSharp.Web.Caching;
using Umbraco.Cms.Core.Configuration.Models;
using Umbraco.Cms.Core.Extensions;

namespace Umbraco.Cms.Web.Common.DependencyInjection
{
    /// <summary>
    /// Configures the ImageSharp physical file system cache options.
    /// </summary>
    /// <seealso cref="IConfigureOptions{PhysicalFileSystemCacheOptions}" />
    public sealed class ConfigurePhysicalFileSystemCacheOptions : IConfigureOptions<PhysicalFileSystemCacheOptions>
    {
        private readonly ImagingSettings _imagingSettings;
        private readonly IHostEnvironment _hostEnvironment;

        /// <summary>
        /// Initializes a new instance of the <see cref="ConfigurePhysicalFileSystemCacheOptions" /> class.
        /// </summary>
        /// <param name="imagingSettings">The Umbraco imaging settings.</param>
        /// <param name="hostEnvironment">The host environment.</param>
        public ConfigurePhysicalFileSystemCacheOptions(IOptions<ImagingSettings> imagingSettings, IHostEnvironment hostEnvironment)
        {
            _imagingSettings = imagingSettings.Value;
            _hostEnvironment = hostEnvironment;
        }

        /// <inheritdoc />
        public void Configure(PhysicalFileSystemCacheOptions options)
        {
            options.CacheFolder = _hostEnvironment.MapPathContentRoot(_imagingSettings.Cache.CacheFolder);
            options.CacheFolderDepth = _imagingSettings.Cache.CacheFolderDepth;
        }
    }
}