1 files changed, 83 insertions, 0 deletions
diff --git a/MediaBrowser.Providers/ImagesByName/ImageUtils.cs b/MediaBrowser.Providers/ImagesByName/ImageUtils.cs
new file mode 100644
index 000000000..cee8c9ded
--- /dev/null
+++ b/MediaBrowser.Providers/ImagesByName/ImageUtils.cs
@@ -0,0 +1,83 @@
+using MediaBrowser.Common.IO;
+using MediaBrowser.Common.Net;
+using MediaBrowser.Controller.Entities;
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Threading;
+using System.Threading.Tasks;
+
+namespace MediaBrowser.Providers.ImagesByName
+{
+    public static class ImageUtils
+    {
+        /// <summary>
+        /// Ensures the list.
+        /// </summary>
+        /// <param name="url">The URL.</param>
+        /// <param name="file">The file.</param>
+        /// <param name="httpClient">The HTTP client.</param>
+        /// <param name="fileSystem">The file system.</param>
+        /// <param name="semaphore">The semaphore.</param>
+        /// <param name="cancellationToken">The cancellation token.</param>
+        /// <returns>Task.</returns>
+        public static async Task EnsureList(string url, string file, IHttpClient httpClient, IFileSystem fileSystem, SemaphoreSlim semaphore, CancellationToken cancellationToken)
+        {
+            var fileInfo = new FileInfo(file);
+
+            if (!fileInfo.Exists || (DateTime.UtcNow - fileSystem.GetLastWriteTimeUtc(fileInfo)).TotalDays > 1)
+            {
+                await semaphore.WaitAsync(cancellationToken).ConfigureAwait(false);
+
+                try
+                {
+                    var temp = await httpClient.GetTempFile(new HttpRequestOptions
+                    {
+                        CancellationToken = cancellationToken,
+                        Progress = new Progress<double>(),
+                        Url = url
+
+                    }).ConfigureAwait(false);
+
+                    Directory.CreateDirectory(Path.GetDirectoryName(file));
+
+                    File.Copy(temp, file, true);
+                }
+                finally
+                {
+                    semaphore.Release();
+                }
+            }
+        }
+
+        public static string FindMatch(IHasImages item, IEnumerable<string> images)
+        {
+            var name = GetComparableName(item.Name);
+
+            return images.FirstOrDefault(i => string.Equals(name, GetComparableName(i), StringComparison.OrdinalIgnoreCase));
+        }
+
+        private static string GetComparableName(string name)
+        {
+            return name.Replace(" ", string.Empty).Replace(".", string.Empty).Replace("&", string.Empty).Replace("!", string.Empty);
+        }
+
+        public static IEnumerable<string> GetAvailableImages(string file)
+        {
+            using (var reader = new StreamReader(file))
+            {
+                var lines = new List<string>();
+
+                while (!reader.EndOfStream)
+                {
+                    var text = reader.ReadLine();
+
+                    lines.Add(text);
+                }
+
+                return lines;
+            }
+        }
+    }
+}