diff options
Diffstat (limited to 'lib/gitlab/graphql/variables.rb')
-rw-r--r-- | lib/gitlab/graphql/variables.rb | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/lib/gitlab/graphql/variables.rb b/lib/gitlab/graphql/variables.rb new file mode 100644 index 00000000000..ffbaf65b512 --- /dev/null +++ b/lib/gitlab/graphql/variables.rb @@ -0,0 +1,37 @@ +module Gitlab + module Graphql + class Variables + Invalid = Class.new(Gitlab::Graphql::StandardGraphqlError) + + def initialize(param) + @param = param + end + + def to_h + ensure_hash(@param) + end + + private + + # Handle form data, JSON body, or a blank value + def ensure_hash(ambiguous_param) + case ambiguous_param + when String + if ambiguous_param.present? + ensure_hash(JSON.parse(ambiguous_param)) + else + {} + end + when Hash, ActionController::Parameters + ambiguous_param + when nil + {} + else + raise Invalid, "Unexpected parameter: #{ambiguous_param}" + end + rescue JSON::ParserError => e + raise Invalid.new(e) + end + end + end +end |