sql-to-graphql/templates/cjs/handlers/graphql.js

Generate a GraphQL API based on your SQL database structure

'use strict';

var Boom = require('boom');
var graphql = require('graphql').graphql;
var schema = require('../schema');

module.exports = function graphqlHandler(request, reply) {
    var payload = (request.payload || '').toString();
    graphql(schema, payload).then(function(result) {
        if (result.errors) {
            logErrors(result.errors);

            return reply(Boom.badRequest(
                result.errors.reduce(reduceErrors, [])
            ));
        }

        return reply(result);
    });
};

function reduceErrors(errs, err) {
    // Hacky, but knex sucks at errors and graphql swallows errors.
    var isDbErr = err.message.indexOf('Pool') === 0;

    errs.push((isDbErr ? '[Database] ' : '') + err.message);
    return errs;
}

function logErrors(errs) {
    errs.forEach(function(err) {
        console.log(err.message);

        if (err.stack) {
            console.log(err.stack);
        }
    });
}