Merge pull request #2741 from riking/badges_create_checks

FIX: Apply contract checks when first creating a badge

lib/json_error.rb

@@ -11,6 +11,12 @@ module JsonError
     # If it looks like an activerecord object, extract its messages
     return {errors: obj.errors.full_messages } if obj.respond_to?(:errors) && obj.errors.present?
 
+    # If we're passed an array, it's an array of error messages
+    return {errors: obj.map {|e| e.to_s}} if obj.is_a?(Array) && obj.present?
+
+    # Log a warning (unless obj is nil)
+    Rails.logger.warn("create_errors_json called with unrecognized type: #{obj.inspect}") if obj
+
     # default to a generic error
     JsonError.generic_error
   end