07202fea10
We're about to add code which might fall into the `RedundantBegin` category, so we're adding the rule in order to prevent that.
61 lines
1.7 KiB
Ruby
61 lines
1.7 KiB
Ruby
class GraphqlController < ApplicationController
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include FeatureFlags
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feature_flag :graphql_api
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skip_before_action :verify_authenticity_token
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skip_authorization_check
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class QueryStringError < StandardError; end
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def execute
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raise GraphqlController::QueryStringError if query_string.nil?
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result = ConsulSchema.execute(
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query_string,
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variables: prepare_variables,
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context: {},
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operation_name: params[:operationName]
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)
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render json: result
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rescue GraphqlController::QueryStringError
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render json: { message: "Query string not present" }, status: :bad_request
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rescue JSON::ParserError
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render json: { message: "Error parsing JSON" }, status: :bad_request
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rescue GraphQL::ParseError
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render json: { message: "Query string is not valid JSON" }, status: :bad_request
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rescue ArgumentError => e
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render json: { message: e.message }, status: :bad_request
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end
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private
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def query_string
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if request.headers["CONTENT_TYPE"] == "application/graphql"
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request.body.string
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else
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params[:query]
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end
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end
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# Handle variables in URL query string and JSON body
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def prepare_variables
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case variables_param = params[:variables]
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# URL query string
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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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# JSON object in request body gets converted to ActionController::Parameters
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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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end
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