94 lines
2.3 KiB
JavaScript
94 lines
2.3 KiB
JavaScript
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"use strict";
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/**
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* Not use logger here use try catch and next(Error) in catch bloc to call the global error handler
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*/
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const express = require("express");
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const router = express.Router();
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const HelperXhr = require("HelperXhr");
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const Libsecurity = require("Libsecurity");
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const fs = require("fs");
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//Dir storage
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const datadir = __dirname + "/data";
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let response = "";
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let codestatus = 500;
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/**
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* see swagger model
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* Store json file
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*/
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router.post("/", async function (req, res, next) {
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try {
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//check data received
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let xhr = HelperXhr.setSettings(req);
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if (Array.isArray(xhr) && xhr[0].payload.diagramId) {
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const id = xhr[0].payload.diagramId;
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if (id) {
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if (fs.existsSync(datadir)) {
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fs.writeFileSync(datadir + "/" + id, JSON.stringify(xhr));
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codestatus = 200;
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response = { writeToken: id, readToken: id };
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}
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}
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} else {
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throw new Error("Json structure is wrong");
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}
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res.status(codestatus).json(response);
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} catch (error) {
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next(error);
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}
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});
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/**
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* see swagger model
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*/
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router.put("/:tokenWrite/:tokenRead", async function (req, res, next) {
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try {
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const tokenWrite = req.params.tokenWrite;
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const tokenRead = req.params.tokenRead;
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//check data received
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let xhr = HelperXhr.setSettings(req);
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if (
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Array.isArray(xhr) &&
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xhr[0] &&
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xhr[0].payload &&
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xhr[0].payload.diagramId &&
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tokenWrite &&
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tokenWrite === tokenRead &&
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tokenWrite === xhr[0].payload.diagramId
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) {
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const id = xhr[0].payload.diagramId;
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if (id) {
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fs.writeFileSync(datadir + "/" + id, JSON.stringify(xhr));
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codestatus = 200;
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response = { writeToken: id, readToken: id };
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}
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} else {
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throw new Error("Json structure is wrong");
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}
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res.status(codestatus).json(response);
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} catch (error) {
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next(error);
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}
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});
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/**
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* 2 cases
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* - isXhr request return json
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* - else public/index.html
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*/
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router.get("/get/:diagramId", function (req, res, next) {
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try {
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const id = Libsecurity.sanitizeFileName(req.params.diagramId);
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response = JSON.parse(fs.readFileSync(datadir + "/" + id, "utf8"));
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codestatus = 200;
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res.status(codestatus).json(response);
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} catch (error) {
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next(error);
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}
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});
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module.exports = router;
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