51 lines
1.5 KiB
Ruby
51 lines
1.5 KiB
Ruby
class GraphqlController < ApplicationController
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# If accessing from outside this domain, nullify the session
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# This allows for outside API access while preventing CSRF attacks,
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# but you'll have to authenticate your user separately
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# protect_from_forgery with: :null_session
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def execute
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variables = prepare_variables(params[:variables])
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query = params[:query]
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operation_name = params[:operationName]
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context = {
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# Query context goes here, for example:
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# current_user: current_user,
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}
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result = ProgressTestSchema.execute(query, variables: variables, context: context, operation_name: operation_name)
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render json: result
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rescue StandardError => e
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raise e unless Rails.env.development?
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handle_error_in_development(e)
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end
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private
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# Handle variables in form data, JSON body, or a blank value
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def prepare_variables(variables_param)
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case variables_param
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when String
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if variables_param.present?
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JSON.parse(variables_param) || {}
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else
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{}
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end
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when Hash
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variables_param
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when ActionController::Parameters
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variables_param.to_unsafe_hash # GraphQL-Ruby will validate name and type of incoming variables.
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when nil
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{}
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else
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raise ArgumentError, "Unexpected parameter: #{variables_param}"
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end
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end
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def handle_error_in_development(e)
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logger.error e.message
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logger.error e.backtrace.join("\n")
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render json: { errors: [{ message: e.message, backtrace: e.backtrace }], data: {} }, status: 500
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end
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end
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