demarches-normaliennes/app/controllers/concerns/graphql_operation_log_concern.rb

62 lines
1.7 KiB
Ruby

module GraphqlOperationLogConcern
extend ActiveSupport::Concern
# This method parses GraphQL query and creates a short description of the query. It is useful for logging.
def operation_log(query, operation_name, variables)
return "NoQuery" if query.nil?
operation = parse_graphql_query(query, operation_name)
return "InvalidQuery" if operation.nil?
return "IntrospectionQuery" if operation.name == "IntrospectionQuery"
message = "#{operation.operation_type}: "
message += if operation.name.present?
"#{operation.name} { "
else
"{ "
end
message += operation.selections.map(&:name).join(', ')
message += " } "
message += if variables.present?
variables.flat_map do |(name, value)|
format_graphql_variable(name, value)
end
else
operation.selections.flat_map(&:arguments).flat_map do |argument|
format_graphql_variable(argument.name, argument.value)
end
end.join(', ')
message.strip
end
private
def parse_graphql_query(query, operation_name)
operations = GraphQL.parse(query).children.filter do |node|
node.is_a?(GraphQL::Language::Nodes::OperationDefinition)
end
if operations.size == 1
operations.first
else
operations.find { |node| node.name == operation_name }
end
rescue
nil
end
def format_graphql_variable(name, value)
if value.is_a?(Hash)
value.map do |(name, value)|
format_graphql_variable(name, value)
end
elsif value.is_a?(GraphQL::Language::Nodes::InputObject)
value.arguments.map do |argument|
format_graphql_variable(argument.name, argument.value)
end
else
"#{name}: \"#{value.to_s.truncate(10)}\""
end
end
end