From 42ab42e6e238d753d8dab5d3cd4667488817f0b8 Mon Sep 17 00:00:00 2001
From: Sebastien Ros <sebastien.ros@microsoft.com>
Date: Fri, 4 Oct 2013 17:05:27 -0700
Subject: [PATCH] Caching media profile queries

---
 .../Services/ImageProfileService.cs           | 28 +++++++++++++++++--
 1 file changed, 26 insertions(+), 2 deletions(-)

diff --git a/src/Orchard.Web/Modules/Orchard.MediaProcessing/Services/ImageProfileService.cs b/src/Orchard.Web/Modules/Orchard.MediaProcessing/Services/ImageProfileService.cs
index 0eb628fe9..d5401ecae 100644
--- a/src/Orchard.Web/Modules/Orchard.MediaProcessing/Services/ImageProfileService.cs
+++ b/src/Orchard.Web/Modules/Orchard.MediaProcessing/Services/ImageProfileService.cs
@@ -1,5 +1,6 @@
 using System.Collections.Generic;
 using System.Linq;
+using Orchard.Caching;
 using Orchard.ContentManagement;
 using Orchard.Data;
 using Orchard.Localization;
@@ -8,10 +9,15 @@ using Orchard.MediaProcessing.Models;
 namespace Orchard.MediaProcessing.Services {
     public class ImageProfileService : IImageProfileService {
         private readonly IContentManager _contentManager;
+        private readonly ICacheManager _cacheManager;
         private readonly IRepository<FilterRecord> _filterRepository;
 
-        public ImageProfileService(IContentManager contentManager, IRepository<FilterRecord> filterRepository) {
+        public ImageProfileService(
+            IContentManager contentManager, 
+            ICacheManager cacheManager,
+            IRepository<FilterRecord> filterRepository) {
             _contentManager = contentManager;
+            _cacheManager = cacheManager;
             _filterRepository = filterRepository;
         }
 
@@ -22,7 +28,25 @@ namespace Orchard.MediaProcessing.Services {
         }
 
         public ImageProfilePart GetImageProfileByName(string name) {
-            return _contentManager.Query<ImageProfilePart, ImageProfilePartRecord>().Where(x => x.Name == name).Slice(0, 1).FirstOrDefault();
+
+            var profileId = _cacheManager.Get("ProfileId", ctx => {
+                var profile = _contentManager.Query<ImageProfilePart, ImageProfilePartRecord>()
+                    .Where(x => x.Name == name)
+                    .Slice(0, 1)
+                    .FirstOrDefault();
+
+                if (profile == null) {
+                    return -1;
+                }
+
+                return profile.Id;
+            });
+
+            if (profileId == -1) {
+                return null;
+            }
+
+            return _contentManager.Get<ImageProfilePart>(profileId);
         }
 
         public IEnumerable<ImageProfilePart> GetAllImageProfiles() {