Add invalid document error handling

Author: jonnyom

lib/intercom/errors.rb

@@ -87,6 +87,9 @@ class ApiVersionInvalid < IntercomError; end
   # Raised when an creating a scroll if one already exists
   class ScrollAlreadyExistsError < IntercomError; end
 
+  # Raised when a CDA is invalid
+  class InvalidDocumentError < IntercomError; end
+
   #
   # Non-public errors (internal to the gem)
   #

lib/intercom/request.rb

@@ -179,6 +179,8 @@ def raise_application_errors_on_failure(error_list_details, http_code)
         raise Intercom::RateLimitExceeded.new(error_details['message'], error_context)
       when "custom_data_limit_reached"
         raise Intercom::CDALimitReachedError.new(error_details['message'], error_context)
+      when "invalid_document"
+        raise Intercom::InvalidDocumentError.new(error_details['message'], error_context)
       when 'service_unavailable'
         raise Intercom::ServiceUnavailableError.new(error_details['message'], error_context)
       when 'conflict', 'unique_user_constraint'