54 lines
1.5 KiB
Ruby
54 lines
1.5 KiB
Ruby
class GraphqlController < ApplicationController
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skip_before_action :verify_authenticity_token
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skip_authorization_check
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class QueryStringError < StandardError
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end
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def query
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begin
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if query_string.nil? then raise GraphqlController::QueryStringError end
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response = consul_schema.execute query_string, variables: query_variables
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render json: response, status: :ok
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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
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unless Rails.env.production? then raise end
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end
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end
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private
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def consul_schema
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api_types = GraphQL::ApiTypesCreator.create(API_TYPE_DEFINITIONS)
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query_type = GraphQL::QueryTypeCreator.create(api_types)
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GraphQL::Schema.define do
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query query_type
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max_depth 8
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max_complexity 2500
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end
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end
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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 # request.body.class => StringIO
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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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def query_variables
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if params[:variables].blank? || params[:variables] == "null"
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{}
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else
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JSON.parse(params[:variables])
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end
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end
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end
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