Exercise & Assignment

1. Change Project Structure

1. Create directory name routers , controllersand services 
   

   

2. Create a file in the router directory banks.js and users.js
   1. user.js file 
      

      const express = require("express");
      const userRouter = express.Router();
      userRouter.get("/", getUser);
      userRouter.get("/balance", getBalance);
      
      module.exports = userRouter;

      
      
   2. banks.js  file
      

      const express = require("express");
      const banksRouter = express.Router();
      bankRouter.get("/all", getHistory);
      bankRouter.get("/deposit", getDeposit);
      bankRouter.get("/withdraw", getWithdraw);
      bankRouter.get("/transfer", getTransfer);
      
      module.exports = banksRouter;
      

      
      
   3. index.js file
      

      const express = require("express");
      const app = express();
      const port = 3000;
      const userRouter = require("./router/users.js");
      const bankRouter = require("./router/banks.js");
      app.use(express.json());
      app.use(express.urlencoded({ extended: true }));
      
      app.get("/", (req, res) => {
        res.send("Hello World!");
      });
      app.use("/user", userRouter);
      app.use("/bank", bankRouter);
      
      app.listen(port, () => {
        console.log(`Example app listening on port ${port}`);
      });
      

      
      
3. Folder services create db.js
   

   module.export = data = require("../data.json");

   
   
4. Create in folder Controller create directory users and banks
   

   

   1. 1. Create File getUser.js in user directory
         implement getUser function (return user by id)
         

         const data = require("../../service/db.js");
         const getUser = (req, res) => {
           //implement here
         };
         module.exports = getUser;
         

      2. create File getBalance.js
         implement getBalance function (return balance of user by id)
         

         const data = require("../../service/db.js");
         const getBalance = (req, res) => {
           //implement here
         };
         module.exports = getBalance;

      3. create File getHistory.js
         implement getHistory function (return all of the transactions by owner's ID)
         

         const data = require("../../service/db.js");
         const getHistory = (req, res) => {
           //implement here
         };
         module.exports = getHistory;

          

      4. create File deposit.js
         implement getDeposit function (return all transactions of type deposit by owner's ID)
         

         const data = require("../../service/db.js");
         const getDeposit = (req, res) => {
           //implement here
         };
         module.exports = getDeposit;
         

      5. create File deposit.js
         implement getDeposit function (return all transactions of type deposit by owner's ID)
         

         const data = require("../../service/db.js");
         const getDeposit = (req, res) => {
           //implement here
         };
         module.export = getDeposit;
         

      6. create File transfer.js
         implement getTransfer function (return all transactions of the type transfer by owner's ID)
         

         const data = require("../../service/db.js");
         const getTransfer = (req, res) => {
           //implement here
         };
         module.exports = getTransfer;
         

      7. create File withdraw.js
         implement getWithdraw function (return all transactions of type withdraw by owner's ID)
         

         const data = require("../../service/db.js");
         const getDeposit = (req, res) => {
           //implement here
         };
         module.exports = getDeposit;
         

2. Implement all files in the Controllers

3. Import function to router file 

• banks.js
  

  

  
  
• user.js
  

  

  
  

4. zip file without folder nodemodule and send to cscms

 

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