(GH-663) Search Order By Popularity

Allow ordering search results by popularity. This aids in filtering
search results with tab completion.

src/chocolatey/infrastructure.app/commands/ChocolateyListCommand.cs

@@ -87,6 +87,9 @@ public virtual void configure_argument_parser(OptionSet optionSet, ChocolateyCon
                  .Add("id-starts-with",
                      "IdStartsWith - Only return packages where the id starts with the search filter.",
                      option => configuration.ListCommand.IdStartsWith = option != null)
+                 .Add("order-by-popularity",
+                     "OrderByPopularity - Sort by package results by popularity.",
+                     option => configuration.ListCommand.OrderByPopularity = option != null)
                 ;
         }
 

src/chocolatey/infrastructure.app/configuration/ChocolateyConfiguration.cs

@@ -358,6 +358,7 @@ public ListCommandConfiguration()
         public bool Exact { get; set; }
         public bool ByIdOnly { get; set; }
         public bool IdStartsWith { get; set; }
+        public bool OrderByPopularity { get; set; }
     }
 
     [Serializable]

src/chocolatey/infrastructure.app/nuget/NugetList.cs

@@ -114,7 +114,11 @@ private static IQueryable<IPackage> execute_package_search(ChocolateyConfigurati
                         .AsQueryable();
             }
 
-            return results.OrderBy(p => p.Id);
+            results = configuration.ListCommand.OrderByPopularity ? 
+                 results.OrderByDescending(p => p.DownloadCount).ThenBy(p => p.Id)
+                 : results.OrderBy(p => p.Id) ;
+
+            return results;
         }