elasticsearch-orm/util/request.js

This is a orm for elasticSearch

const request = require('request');
const initContentType = (opts) => {
    if (!opts.headers) {
        opts.headers = {};
    }
    if (!opts.headers['Content-Type']) {
        opts.headers['Content-Type'] = 'application/json';
    }
};

module.exports = (config) => {
    return (opts) => {
        const DEBUG = config.get('debug');
        const log = config.get("log") || console.log;
        const TIMEOUT = config.get('timeout');
        initContentType(opts);
        if (!opts.timeout) {
            opts.timeout = TIMEOUT;
        }
        let logArr = [];
        return new Promise((resolve, reject) => {
            if (DEBUG) {
                logArr.push('----------start');
                logArr.push('url:' + opts.url);
                logArr.push('method:' + opts.method);
                logArr.push('params:' + opts.body);
            }
            let start = +new Date();
            request(opts, (err, response, body) => {
                if (err) {
                    reject(err);
                    return;
                }
                try {
                    body = JSON.parse(body);
                    let duration = new Date() - start;
                    body.netDuration = duration;
                    if (DEBUG) {
                        logArr.push('body:' + JSON.stringify(body));
                        logArr.push('----------end');
                        log(logArr.join('\n'));
                    }
                    if (response.statusCode === 404) {
                        let error = "Not Found";
                        reject(new Error(response.statusCode + ": " + error));
                    } else if (response.statusCode >= 300) {
                        let error = body.result || body.error.reason;
                        reject(new Error(response.statusCode + ": " + error));
                    } else {
                        resolve(body);
                    }
                } catch (e) {
                    reject(e);
                }
            });
        });
    };;
}