1 files changed, 163 insertions, 0 deletions
diff --git a/MediaBrowser.Server.Implementations/Themes/AppThemeManager.cs b/MediaBrowser.Server.Implementations/Themes/AppThemeManager.cs
new file mode 100644
index 000000000..ca792bcd3
--- /dev/null
+++ b/MediaBrowser.Server.Implementations/Themes/AppThemeManager.cs
@@ -0,0 +1,163 @@
+using MediaBrowser.Common.Extensions;
+using MediaBrowser.Common.IO;
+using MediaBrowser.Controller;
+using MediaBrowser.Controller.Themes;
+using MediaBrowser.Model.Logging;
+using MediaBrowser.Model.Serialization;
+using MediaBrowser.Model.Themes;
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+
+namespace MediaBrowser.Server.Implementations.Themes
+{
+    public class AppThemeManager : IAppThemeManager
+    {
+        private readonly IServerApplicationPaths _appPaths;
+        private readonly IFileSystem _fileSystem;
+        private readonly IJsonSerializer _json;
+        private readonly ILogger _logger;
+
+        private readonly string[] _supportedImageExtensions = { ".png", ".jpg", ".jpeg" };
+
+        public AppThemeManager(IServerApplicationPaths appPaths, IFileSystem fileSystem, IJsonSerializer json, ILogger logger)
+        {
+            _appPaths = appPaths;
+            _fileSystem = fileSystem;
+            _json = json;
+            _logger = logger;
+        }
+
+        private string ThemePath
+        {
+            get
+            {
+                return Path.Combine(_appPaths.ItemsByNamePath, "appthemes");
+            }
+        }
+
+        private string GetThemesPath(string applicationName)
+        {
+            if (string.IsNullOrWhiteSpace(applicationName))
+            {
+                throw new ArgumentNullException("applicationName");
+            }
+
+            // Force everything lowercase for consistency and maximum compatibility with case-sensitive file systems
+            var name = _fileSystem.GetValidFilename(applicationName.ToLower());
+
+            return Path.Combine(ThemePath, name);
+        }
+
+        private string GetThemePath(string applicationName, string name)
+        {
+            if (string.IsNullOrWhiteSpace(name))
+            {
+                throw new ArgumentNullException("name");
+            }
+            
+            // Force everything lowercase for consistency and maximum compatibility with case-sensitive file systems
+            name = _fileSystem.GetValidFilename(name.ToLower());
+
+            return Path.Combine(GetThemesPath(applicationName), name);
+        }
+
+        public IEnumerable<AppThemeInfo> GetThemes(string applicationName)
+        {
+            var path = GetThemesPath(applicationName);
+
+            try
+            {
+                return Directory
+                    .EnumerateFiles(path, "*", SearchOption.AllDirectories)
+                    .Where(i => string.Equals(Path.GetExtension(i), ".json", StringComparison.OrdinalIgnoreCase))
+                    .Select(i =>
+                    {
+                        try
+                        {
+                            return _json.DeserializeFromFile<AppThemeInfo>(i);
+                        }
+                        catch (Exception ex)
+                        {
+                            _logger.ErrorException("Error deserializing {0}", ex, i);
+                            return null;
+                        }
+
+                    }).Where(i => i != null);
+            }
+            catch (DirectoryNotFoundException)
+            {
+                return new List<AppThemeInfo>();
+            }
+        }
+
+        public AppTheme GetTheme(string applicationName, string name)
+        {
+            var themePath = GetThemePath(applicationName, name);
+            var file = Path.Combine(themePath, "theme.json");
+
+            var theme = _json.DeserializeFromFile<AppTheme>(file);
+
+            theme.Images = new DirectoryInfo(themePath)
+                .EnumerateFiles("*", SearchOption.TopDirectoryOnly)
+                .Where(i => _supportedImageExtensions.Contains(i.Extension, StringComparer.OrdinalIgnoreCase))
+                .Select(GetThemeImage)
+                .ToList();
+
+            return theme;
+        }
+
+        private ThemeImage GetThemeImage(FileInfo file)
+        {
+            var dateModified = _fileSystem.GetLastWriteTimeUtc(file);
+
+            var cacheTag = (file.FullName + dateModified.Ticks).GetMD5().ToString("N");
+
+            return new ThemeImage
+            {
+                CacheTag = cacheTag,
+                Name = file.Name
+            };
+        }
+
+        public void SaveTheme(AppTheme theme)
+        {
+            var themePath = GetThemePath(theme.ApplicationName, theme.Name);
+            var file = Path.Combine(themePath, "theme.json");
+
+            Directory.CreateDirectory(themePath);
+
+            // Clone it so that we don't serialize all the images - they're always dynamic
+            var clone = new AppTheme
+            {
+                ApplicationName = theme.ApplicationName,
+                Name = theme.Name,
+                Options = theme.Options,
+                Images = null
+            };
+
+            _json.SerializeToFile(clone, file);
+        }
+
+        public InternalThemeImage GetImageImageInfo(string applicationName, string themeName, string imageName)
+        {
+            var themePath = GetThemePath(applicationName, themeName);
+
+            var fullPath = Path.Combine(themePath, imageName);
+
+            var file = new DirectoryInfo(themePath).EnumerateFiles("*", SearchOption.TopDirectoryOnly)
+                .First(i => string.Equals(i.FullName, fullPath, StringComparison.OrdinalIgnoreCase));
+
+            var themeImage = GetThemeImage(file);
+
+            return new InternalThemeImage
+            {
+                CacheTag = themeImage.CacheTag,
+                Name = themeImage.Name,
+                Path = file.FullName,
+                DateModified = _fileSystem.GetLastWriteTimeUtc(file)
+            };
+        }
+    }
+}