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Size: 1.6 KB
Versions: 68
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Contents
# frozen_string_literal: true
<% module_namespacing_when_supported do -%>
class GraphqlController < ApplicationController
# If accessing from outside this domain, nullify the session
# This allows for outside API access while preventing CSRF attacks,
# but you'll have to authenticate your user separately
# protect_from_forgery with: :null_session
def execute
variables = prepare_variables(params[:variables])
query = params[:query]
operation_name = params[:operationName]
context = {
# Query context goes here, for example:
# current_user: current_user,
}
result = <%= schema_name %>.execute(query, variables: variables, context: context, operation_name: operation_name)
render json: result
rescue StandardError => e
raise e unless Rails.env.development?
handle_error_in_development(e)
end
private
# Handle variables in form data, JSON body, or a blank value
def prepare_variables(variables_param)
case variables_param
when String
if variables_param.present?
JSON.parse(variables_param) || {}
else
{}
end
when Hash
variables_param
when ActionController::Parameters
variables_param.to_unsafe_hash # GraphQL-Ruby will validate name and type of incoming variables.
when nil
{}
else
raise ArgumentError, "Unexpected parameter: #{variables_param}"
end
end
def handle_error_in_development(e)
logger.error e.message
logger.error e.backtrace.join("\n")
render json: { errors: [{ message: e.message, backtrace: e.backtrace }], data: {} }, status: 500
end
end
<% end -%>
Version data entries
68 entries across 68 versions & 1 rubygems