chore: refacto

Author: Thomas Dalous

clients/algoliasearch-client-ruby/lib/algolia/error.rb

@@ -13,6 +13,9 @@ class AlgoliaUnreachableHostError < AlgoliaError
     attr_reader :errors
 
     def initialize(message, errors = [])
+      errors.last&.tap do |last_error|
+        message += " Last error for #{last_error[:host]}: #{last_error[:error]}"
+      end
       super(message)
       @errors = errors
     end

clients/algoliasearch-client-ruby/lib/algolia/transport/transport.rb

@@ -80,7 +80,7 @@ def request(call_type, method, path, body, opts = {})
           end
         end
 
-        raise Algolia::AlgoliaUnreachableHostError.new("Unreachable hosts. Last error for #{retry_errors.last[:host]}: #{retry_errors.last[:error]}", retry_errors)
+        raise Algolia::AlgoliaUnreachableHostError.new("Unreachable hosts.", retry_errors)
       end
 
       private