pablo-rest-api-standard/lib/index.js

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.PRAS = void 0;
class PRAS {
    getPRASResultObject(statusCode, status, message, data, code, extra) {
        return {
            statusCode: statusCode || 200,
            status: status || "OK",
            message: message || "",
            data: data || null,
            code: code || "UNKNOWN_CODE",
            extra: extra || null,
        };
    }
    responseMiddleware() {
        return (req, res, next) => {
            res.pras = {
                ok: (message, data, code, extra) => {
                    res.json(this.getPRASResultObject(200, "OK", message, data, code, extra));
                },
                created: (message, data, code, extra) => {
                    res.json(this.getPRASResultObject(201, "OK", message, data, code, extra));
                },
                badRequest: (message, data, code, extra) => {
                    res.json(this.getPRASResultObject(400, "FAIL", message, data, code, extra));
                },
                unauthorized: (message, data, code, extra) => {
                    res.json(this.getPRASResultObject(401, "FAIL", message, data, code, extra));
                },
                forbidden: (message, data, code, extra) => {
                    res.json(this.getPRASResultObject(403, "FAIL", message, data, code, extra));
                },
                notFound: (message, data, code, extra) => {
                    res.json(this.getPRASResultObject(404, "FAIL", message, data, code, extra));
                },
                serverError: (message, data, code, extra) => {
                    res.json(this.getPRASResultObject(500, "ERROR", message, data, code, extra));
                },
                customMessage: (statusCode, message, data, code, extra) => {
                    let status;
                    if (statusCode >= 500) {
                        status = "ERROR";
                    }
                    else if (statusCode >= 400) {
                        status = "FAIL";
                    }
                    else {
                        status = "OK";
                    }
                    res.json(this.getPRASResultObject(statusCode, status, message, data, code, extra));
                },
            };
            if (/application\/json/.test(res.get("Content-Type"))) {
                const originalSend = res.send;
                res.send = (body) => {
                    if (typeof body === "string") {
                        body = JSON.parse(body);
                    }
                    if (typeof body === "string") {
                        body = { data: body };
                    }
                    else if (!body.hasOwnProperty("data")) {
                        body = { data: body };
                    }
                    const prasBody = this.getPRASResultObject(body.statusCode, body.status, body.message, body.data, body.code, body.extra);
                    res.status(Number(prasBody) || null);
                    delete prasBody.statusCode;
                    return originalSend(JSON.stringify(prasBody));
                };
            }
            next();
        };
    }
}
exports.PRAS = PRAS;
exports.default = new PRAS();