link to nugettrends.com (#9737)

* link to nugettrends.com

* add interface in fake feature service

Co-authored-by: Lynn Dai

Author: bruno-garcia

src/AccountDeleter/EmptyFeatureFlagService.cs

@@ -75,7 +75,10 @@ public bool IsDisplayNuGetPackageExplorerLinkEnabled()
         {
             throw new NotImplementedException();
         }
-
+        public bool IsDisplayNuGetTrendsLinksEnabled()
+        {
+            throw new NotImplementedException();
+        }
         public bool IsDisplayTargetFrameworkEnabled(User user)
         {
             throw new NotImplementedException();

src/GitHubVulnerabilities2Db/Fakes/FakeFeatureFlagService.cs

@@ -65,6 +65,11 @@ public bool IsDisplayFuGetLinksEnabled()
             throw new NotImplementedException();
         }
 
+        public bool IsDisplayNuGetTrendsLinksEnabled()
+        {
+            throw new NotImplementedException();
+        }
+
         public bool IsDisplayVulnerabilitiesEnabled()
         {
             throw new NotImplementedException();
@@ -320,4 +325,4 @@ public bool IsAdvancedFrameworkFilteringEnabled(User user)
             throw new NotImplementedException();
         }
     }
-}
+}

src/NuGetGallery.Services/Configuration/FeatureFlagService.cs

@@ -30,6 +30,7 @@ public class FeatureFlagService : IFeatureFlagService
         private const string ManagePackagesVulnerabilitiesFeatureName = GalleryPrefix + "ManagePackagesVulnerabilities";
         private const string DisplayFuGetLinksFeatureName = GalleryPrefix + "DisplayFuGetLinks";
         private const string DisplayNuGetPackageExplorerLinkFeatureName = GalleryPrefix + "DisplayNuGetPackageExplorerLink";
+        private const string DisplayNuGetTrendsLinkFeatureName = GalleryPrefix + "DisplayNuGetTrendsLink";
         private const string ODataReadOnlyDatabaseFeatureName = GalleryPrefix + "ODataReadOnlyDatabase";
         private const string PackagesAtomFeedFeatureName = GalleryPrefix + "PackagesAtomFeed";
         private const string SearchSideBySideFlightName = GalleryPrefix + "SearchSideBySide";
@@ -172,6 +173,11 @@ public bool IsDisplayNuGetPackageExplorerLinkEnabled()
             return _client.IsEnabled(DisplayNuGetPackageExplorerLinkFeatureName, defaultValue: false);
         }
 
+        public bool IsDisplayNuGetTrendsLinksEnabled()
+        {
+            return _client.IsEnabled(DisplayNuGetTrendsLinkFeatureName, defaultValue: false);
+        }
+
         public bool AreEmbeddedIconsEnabled(User user)
         {
             return _client.IsEnabled(EmbeddedIconFlightName, user, defaultValue: false);
@@ -416,4 +422,4 @@ public bool IsAdvancedFrameworkFilteringEnabled(User user)
             return _client.IsEnabled(AdvancedFrameworkFilteringFeatureName, user, defaultValue: false);
         }
     }
-}
+}

src/NuGetGallery.Services/Configuration/IFeatureFlagService.cs

@@ -77,6 +77,11 @@ public interface IFeatureFlagService
         /// </summary>
         bool IsDisplayFuGetLinksEnabled();
 
+        /// <summary>
+        /// Whether or not a nugettrends.com link is visible on a package's details page.
+        /// </summary>
+        bool IsDisplayNuGetTrendsLinksEnabled();
+
         /// <summary>
         /// Whether or not a nuget.info (NuGet Package Explorer) link is visible on a package's details page.
         /// </summary>

src/NuGetGallery/App_Data/Files/Content/flags.json

@@ -26,6 +26,7 @@
     "NuGetGallery.ManagePackagesVulnerabilities": "Enabled",
     "NuGetGallery.DisplayFuGetLinks": "Enabled",
     "NuGetGallery.DisplayNuGetPackageExplorerLink": "Enabled",
+    "NuGetGallery.DisplayNuGetTrendsLink": "Enabled",
     "NuGetGallery.PatternSetTfmHeuristics": "Enabled",
     "NuGetGallery.EmbeddedIcons": "Enabled",
     "NuGetGallery.MarkdigMdRendering": "Enabled",
@@ -146,4 +147,4 @@
       "Domains": []
     }
   }
-}
+}

src/NuGetGallery/Content/gallery/img/nuget-trends-32x32.png

@@ -982,6 +982,7 @@ public virtual async Task<ActionResult> DisplayPackage(string id, string version
             model.IsPackageVulnerabilitiesEnabled = isPackageVulnerabilitiesEnabled;
             model.IsFuGetLinksEnabled = _featureFlagService.IsDisplayFuGetLinksEnabled();
             model.IsNuGetPackageExplorerLinkEnabled = _featureFlagService.IsDisplayNuGetPackageExplorerLinkEnabled();
+            model.IsNuGetTrendsLinksEnabled = _featureFlagService.IsDisplayNuGetTrendsLinksEnabled();
             model.IsPackageRenamesEnabled = _featureFlagService.IsPackageRenamesEnabled(currentUser);
             model.IsPackageDependentsEnabled = _featureFlagService.IsPackageDependentsEnabled(currentUser);
             model.IsRecentPackagesNoIndexEnabled = _featureFlagService.IsRecentPackagesNoIndexEnabled();

src/NuGetGallery/Content/gallery/img/nuget-trends.svg

@@ -180,6 +180,12 @@ private DisplayPackageViewModel SetupCommon(
                 viewModel.NuGetPackageExplorerUrl = nugetPackageExplorerReadyUrl;
             }
 
+            var nugetTrendsUrl = $"https://nugettrends.com/packages?ids={package.Id}";
+            if (PackageHelper.TryPrepareUrlForRendering(nugetTrendsUrl, out string nugetTrendsReadyUrl))
+            {
+                viewModel.NuGetTrendsUrl = nugetTrendsReadyUrl;
+            }
+
             viewModel.EmbeddedLicenseType = package.EmbeddedLicenseType;
             viewModel.LicenseExpression = package.LicenseExpression;
 
@@ -265,4 +271,4 @@ private static string GetPushedBy(Package package, User currentUser, Dictionary<
             return pushedByCache[userPushedBy];
         }
     }
-}
+}

src/NuGetGallery/Controllers/PackagesController.cs

@@ -38,6 +38,7 @@ public class DisplayPackageViewModel : ListPackageItemViewModel
         public bool IsPackageDeprecationEnabled { get; set; }
         public bool IsPackageVulnerabilitiesEnabled { get; set; }
         public bool IsFuGetLinksEnabled { get; set; }
+        public bool IsNuGetTrendsLinksEnabled { get; set; }
         public bool IsNuGetPackageExplorerLinkEnabled { get; set; }
         public bool IsPackageRenamesEnabled { get; set; }
         public bool IsGitHubUsageEnabled { get; set; }
@@ -88,6 +89,7 @@ public bool HasNewerRelease
         public string ProjectUrl { get; set; }
         public string LicenseUrl { get; set; }
         public string FuGetUrl { get; set; }
+        public string NuGetTrendsUrl { get; set; }
         public string NuGetPackageExplorerUrl { get; set; }
         public IReadOnlyCollection<string> LicenseNames { get; set; }
         public string LicenseExpression { get; set; }
@@ -146,6 +148,11 @@ public bool CanDisplayFuGetLink()
             return IsFuGetLinksEnabled && !string.IsNullOrEmpty(FuGetUrl) && Available;
         }
 
+        public bool CanDisplayNuGetTrendsLink()
+        {
+            return IsNuGetTrendsLinksEnabled && !string.IsNullOrEmpty(NuGetTrendsUrl) && Available;
+        }
+
         public bool CanDisplayTargetFrameworks()
         {
             return IsDisplayTargetFrameworkEnabled && !Deleted && !IsDotnetNewTemplatePackageType;
@@ -166,4 +173,4 @@ public enum RepositoryKind
             GitHub,
         }
     }
-}
+}