added new error for specific error code

Author: sofia

lib/intercom/errors.rb

@@ -41,7 +41,10 @@ class ServiceConnectionError < IntercomError; end
 
   # Raised when requesting resources on behalf of a user that doesn't exist in your application on Intercom.
   class ResourceNotFound < IntercomError; end
-  
+
+  # Raised when trying to create a resource that already exists in Intercom.
+  class ResourceNotUniqueError < IntercomError; end
+
   # Raised when the request has bad syntax
   class BadRequestError < IntercomError; end
 

lib/intercom/request.rb

@@ -163,6 +163,8 @@ def raise_application_errors_on_failure(error_list_details, http_code)
         raise Intercom::ServiceUnavailableError.new(error_details['message'], error_context)
       when 'conflict', 'unique_user_constraint'
         raise Intercom::MultipleMatchingUsersError.new(error_details['message'], error_context)
+      when 'resource_conflict'
+        raise Intercom::ResourceNotUniqueError.new(error_details['message'], error_context)
       when nil, ''
         raise Intercom::UnexpectedError.new(message_for_unexpected_error_without_type(error_details, parsed_http_code), error_context)
       else