Created
August 14, 2018 15:24
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class GraphqlController < ApplicationController | |
def execute | |
variables = ensure_hash(params[:variables]) | |
query = params[:query] | |
operation_name = params[:operationName] | |
context = { | |
# Query context goes here, for example: | |
# current_user: current_user, | |
} | |
result = DirectorySchema.execute(query, variables: variables, context: context, operation_name: operation_name) | |
render json: result | |
rescue => e | |
raise e unless Rails.env.development? | |
handle_error_in_development e | |
end | |
private | |
# Handle form data, JSON body, or a blank value | |
def ensure_hash(ambiguous_param) | |
case ambiguous_param | |
when String | |
if ambiguous_param.present? | |
ensure_hash(JSON.parse(ambiguous_param)) | |
else | |
{} | |
end | |
when Hash, ActionController::Parameters | |
ambiguous_param | |
when nil | |
{} | |
else | |
raise ArgumentError, "Unexpected parameter: #{ambiguous_param}" | |
end | |
end | |
def handle_error_in_development(e) | |
logger.error e.message | |
logger.error e.backtrace.join("\n") | |
render json: { error: { message: e.message, backtrace: e.backtrace }, data: {} }, status: 500 | |
end | |
end |
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