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Size: 1.58 KB
Versions: 11
Compression:
Stored size: 1.58 KB
Contents
module GraphQL
class Query
class Executor
# @return [GraphQL::Query] the query being executed
attr_reader :query
def initialize(query)
@query = query
end
# Evalute {operation_name} on {query}. Handle errors by putting them in the "errors" key.
# (Or, if `query.debug`, by re-raising them.)
# @return [Hash] A GraphQL response, with either a "data" key or an "errors" key
def result
execute
rescue GraphQL::ExecutionError => err
{"errors" => [err.to_h]}
rescue GraphQL::Query::OperationNameMissingError => err
{"errors" => [{"message" => err.message}]}
rescue StandardError => err
query.debug && raise(err)
message = "Something went wrong during query execution: #{err}" #\n#{err.backtrace.join("\n ")}"
{"errors" => [{"message" => message}]}
end
private
def execute
operation = query.selected_operation
return {} if operation.nil?
op_type = operation.operation_type
root_type = query.schema.public_send(op_type)
execution_strategy_class = query.schema.public_send("#{op_type}_execution_strategy")
execution_strategy = execution_strategy_class.new
query.context.execution_strategy = execution_strategy
data_result = execution_strategy.execute(operation, root_type, query)
result = { "data" => data_result }
error_result = query.context.errors.map(&:to_h)
if error_result.any?
result["errors"] = error_result
end
result
end
end
end
end
Version data entries
11 entries across 11 versions & 1 rubygems