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