Json server mock custom route setup

server.js

/* eslint-disable no-console */
const path = require("path");
const jsonServer = require("json-server");
const server = jsonServer.create();
const router = jsonServer.router(path.join(__dirname, "db.json"));
const middlewares = jsonServer.defaults();
const port = process.env.API_PORT || process.env.PORT || 3001;
var db = require(path.join(__dirname, "db.json"));

server.use(jsonServer.bodyParser);
server.use(middlewares);

server.use(
  jsonServer.rewriter({
    "/api/merchants": "/post/merchants",
    "/api/merchants/ChIJ3wzWNSSwOG0RB-zbM8wibus": "/post/merchants/id",
    "/api/v1/authentication\\?*": "/authorization",
    "/api/v1/SearchIdentity\\?*": "/post/searchidentity",
    "/api/v1/GetLookUp\\?*": "/get/lookup",
    "/api/v1/IdentityVineyard\\?*": "/post/IdentityVineyard",
    "/api/v1/*": "/$1",
    "/api/*": "/$1",
  })
);

const BadRequest = (res) => {
  res.status(400).jsonp({
    error: "Mock Server!!! =>> Bad Request",
  });
};

const InvalidRequest = (res) => {
  res.status(400).jsonp({
    error: "Mock Server!!! =>> Invalid Request",
  });
};

server.post("/post/user", (req, res) => {
  if (req.method === "POST") {
    let userId = req.body["userId"];
    if (userId != null && userId >= 0) {
      let result = db.users.find((user) => {
        return user.userId == userId;
      });

      if (result) {
        res.status(200).jsonp(result);
      } else {
        BadRequest(res);
      }
    } else {
      InvalidRequest(res);
    }
  }
});

server.get("/get/user", (req, res) => {
  if (req.method === "GET") {
    let userId = req.query["userId"];
    if (userId != null && userId >= 0) {
      let result = db.users.find((user) => {
        return user.userId == userId;
      });

      if (result) {
        res.status(200).jsonp(result);
      } else {
        res.status(400).jsonp({
          error: "Bad userId",
        });
      }
    } else {
      res.status(400).jsonp({
        error: "No valid userId",
      });
    }
  }
});

server.get("/authorization", (req, res) => {
  if (req.method === "GET") {
    let code = req.query["code"];
    let authorization = db.authorization;
    let result;
    if (code == "isSaleComplete") {
      result = Object.assign({}, authorization, { isSaleComplete: true });
    } else if (code == "nullUserDetails") {
      result = Object.assign({}, authorization, {
        email: null,
        firstName: null,
        lastName: null,
      });
    } else if (code == "Success") {
      result = Object.assign({}, authorization, {
        isSaleComplete: true,
        isLicenseActive: true,
        isProvisioned: true,
      });
    } else if (code.length > 10) {
      result = Object.assign({}, authorization, {
        isSaleComplete: true,
        isLicenseActive: true,
        isProvisioned: true,
      });
    }
    if (result) {
      res.status(200).jsonp(result);
    } else {
      res.status(400).jsonp({
        error: "Bad userId",
      });
    }
  }
});

/*** custom route example */

server.post("/post/merchants", (req, res) => {
  let merchantName = req.body["name"];
  console.log("merchant req name", merchantName);
  if (merchantName !== null) {
    let result = db.getPlacesBySearchText[0];
    if (result) {
      res.status(200).jsonp(result);
    } else {
      BadRequest(res);
    }
  } else {
    InvalidRequest(res);
  }
});

server.post("/post/IdentityVineyard", (req, res) => {
  let data = req.body;
  if (data) {
    const result = data;
    result["id"] = 2625;
    result["ts"] = "AAAAAAAFyY4=";
    res.status(201).jsonp(result);
  } else {
    BadRequest(res);
  }
});

server.post("/post/merchants/id", (req, res) => {
  let merchantName = req.body["name"];
  console.log("merchant req name", merchantName);
  if (merchantName !== null) {
    let merchantPlace = db.getMerchant[0];
    if (merchantPlace) {
      let payloadResult = {
        status: "OK",
        payload: merchantPlace,
      };
      res.status(200).jsonp(payloadResult);
    } else {
      BadRequest(res);
    }
  } else {
    InvalidRequest(res);
  }
});

server.post("/post/searchidentity", (req, res) => {
  const payloadResult = db.SearchIdentity;
  res.status(200).jsonp(payloadResult);
});

server.get("/get/lookup", (req, res) => {
  const lookupName = req.query["LookUpName"];
  const payloadResult = db[`Lookup${lookupName}`];
  if (payloadResult) {
    res.status(200).jsonp(payloadResult);
  } else {
    BadRequest(res);
  }
});

server.use(router);
server.listen(port, () => {
  console.log("JSON Server is running at ", port);
});