From d1449a6563cb53d415c107db2025ef2de5265644 Mon Sep 17 00:00:00 2001
From: Azul <azul@leap.se>
Date: Thu, 14 Mar 2013 12:57:57 +0100
Subject: catch Errno's and RestClient errors and throw a more meaningful
 couchrest error

---
 core/lib/extensions/couchrest.rb | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/core/lib/extensions/couchrest.rb b/core/lib/extensions/couchrest.rb
index 57bb837..f203426 100644
--- a/core/lib/extensions/couchrest.rb
+++ b/core/lib/extensions/couchrest.rb
@@ -23,6 +23,25 @@ module CouchRest
       end
     end
 
+    module Errors
+      class ConnectionFailed < CouchRestModelError; end
+    end
+
+    module Connection
+
+      module ClassMethods
+
+        def use_database(db)
+          @database = prepare_database(db)
+        rescue RestClient::Unauthorized,
+          Errno::EHOSTUNREACH,
+          Errno::ECONNREFUSED => e
+          raise CouchRest::Model::Errors::ConnectionFailed.new(e.to_s)
+        end
+      end
+
+    end
+
     class Migrate
       def self.load_all_models_with_engines
         self.load_all_models_without_engines
-- 
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