From 79a0ae86e8372ed7f218850eb8973ccbf90905e9 Mon Sep 17 00:00:00 2001
From: Sebastien Ros <sebastienros@gmail.com>
Date: Wed, 26 Aug 2015 14:42:18 -0700
Subject: [PATCH] Create index command should not delete existing index

---
 .../Orchard.Indexing/Commands/IndexingCommands.cs | 15 +++++++++++++--
 1 file changed, 13 insertions(+), 2 deletions(-)

diff --git a/src/Orchard.Web/Modules/Orchard.Indexing/Commands/IndexingCommands.cs b/src/Orchard.Web/Modules/Orchard.Indexing/Commands/IndexingCommands.cs
index d6ecbcd0b..de99edee1 100644
--- a/src/Orchard.Web/Modules/Orchard.Indexing/Commands/IndexingCommands.cs
+++ b/src/Orchard.Web/Modules/Orchard.Indexing/Commands/IndexingCommands.cs
@@ -47,8 +47,19 @@ namespace Orchard.Indexing.Commands {
                 Context.Output.WriteLine(T("Invalid index name."));
             }
             else {
-                _indexManager.GetSearchIndexProvider().CreateIndex(index);
-                Context.Output.WriteLine(T("New index has been created successfully."));
+                var indexProvider = _indexManager.GetSearchIndexProvider();
+                if(indexProvider == null) {
+                    Context.Output.WriteLine(T("New indexing service was found. Please enable a module like Lucene."));
+                }
+                else {
+                    if (indexProvider.Exists(index)) {
+                        Context.Output.WriteLine(T("The specified index already exists."));
+                    }
+                    else {
+                        _indexManager.GetSearchIndexProvider().CreateIndex(index);
+                        Context.Output.WriteLine(T("New index has been created successfully."));
+                    }
+                }
             }
         }