week4 prepexercise is done

Tenzijn · Tenzijn · commit 90f1daaa055a · 2023-11-24T14:34:02.000+01:00
diff --git a/Week4/prep-exercises/1-wallet/ex1-closure-example.js b/Week4/prep-exercises/1-wallet/ex1-closure-example.js
@@ -1,4 +1,4 @@
-import eurosFormatter from "./euroFormatter.js";
+import eurosFormatter from './euroFormatter.js';
 
 /**
  * This is the closure way of doing things and we have already completed it for you so you don't need to do anything.
@@ -68,9 +68,9 @@ function createWallet(name, cash = 0) {
 }
 
 function main() {
-  const walletJack = createWallet("Jack", 100);
-  const walletJoe = createWallet("Joe", 10);
-  const walletJane = createWallet("Jane", 20);
+  const walletJack = createWallet('Jack', 100);
+  const walletJoe = createWallet('Joe', 10);
+  const walletJane = createWallet('Jane', 20);
 
   walletJack.transferInto(walletJoe, 50);
   walletJack.setDailyAllowance(80);
diff --git a/Week4/prep-exercises/1-wallet/ex2-classes.js b/Week4/prep-exercises/1-wallet/ex2-classes.js
@@ -7,6 +7,7 @@ class Wallet {
   constructor(name, cash) {
     this.#name = name;
     this.#cash = cash;
+    this.dailyAllowance = 40;
   }
 
   get name() {
@@ -23,6 +24,12 @@ class Wallet {
       return 0;
     }
 
+    // first check if the amount to withdraw is greater than the daily allowance
+    if (amount > this.dailyAllowance) {
+      console.log(`Insufficient remaining daily allowance!`);
+      return 0;
+    }
+
     this.#cash -= amount;
     return amount;
   }
@@ -33,10 +40,19 @@ class Wallet {
         wallet.name
       }`
     );
+
     const withdrawnAmount = this.withdraw(amount);
     wallet.deposit(withdrawnAmount);
   }
 
+  // setting daily allowance to 80
+  setDailyAllowance(newAllowance) {
+    this.dailyAllowance = newAllowance;
+    console.log(
+      `Daily allowance set to: ${eurosFormatter.format(newAllowance)}`
+    );
+  }
+
   reportBalance() {
     console.log(
       `Name: ${this.name}, balance: ${eurosFormatter.format(this.#cash)}`
@@ -49,9 +65,10 @@ function main() {
   const walletJoe = new Wallet('Joe', 10);
   const walletJane = new Wallet('Jane', 20);
 
+  walletJack.transferInto(walletJoe, 50);
+  walletJack.setDailyAllowance(80);
   walletJack.transferInto(walletJoe, 50);
   walletJane.transferInto(walletJoe, 25);
-
   walletJane.deposit(20);
   walletJane.transferInto(walletJoe, 25);
 
diff --git a/Week4/prep-exercises/1-wallet/ex3-object.js b/Week4/prep-exercises/1-wallet/ex3-object.js
@@ -4,6 +4,7 @@ function createWallet(name, cash = 0) {
   return {
     _name: name,
     _cash: cash,
+    _dailyAllowance: 40, // default value for daily allowance
 
     deposit: function (amount) {
       this._cash += amount;
@@ -15,10 +16,24 @@ function createWallet(name, cash = 0) {
         return 0;
       }
 
+      // first check if the amount to withdraw is greater than the daily allowance
+      if (amount > this._dailyAllowance) {
+        console.log(`Insufficient remaining daily allowance!`);
+        return 0;
+      }
+
       this._cash -= amount;
       return amount;
     },
 
+    // setting daily allowance to 80
+    setDailyAllowance: function (newAllowance) {
+      this._dailyAllowance = newAllowance;
+      console.log(
+        `Daily allowance set to: ${eurosFormatter.format(newAllowance)}`
+      );
+    },
+
     transferInto: function (wallet, amount) {
       console.log(
         `Transferring ${eurosFormatter.format(amount)} from ${
@@ -46,6 +61,8 @@ function main() {
   const walletJoe = createWallet('Joe', 10);
   const walletJane = createWallet('Jane', 20);
 
+  walletJack.transferInto(walletJoe, 50);
+  walletJack.setDailyAllowance(80);
   walletJack.transferInto(walletJoe, 50);
   walletJane.transferInto(walletJoe, 25);
 
diff --git a/Week4/prep-exercises/1-wallet/ex4-object-shared-methods.js b/Week4/prep-exercises/1-wallet/ex4-object-shared-methods.js
@@ -10,10 +10,21 @@ function withdraw(amount) {
     return 0;
   }
 
+  // first check if the amount to withdraw is greater than the daily allowance
+  if (amount > this._dailyAllowance) {
+    console.log(`Insufficient remaining daily allowance!`);
+    return 0;
+  }
+
   this._cash -= amount;
   return amount;
 }
 
+function setDailyAllowance(newAllowance) {
+  this._dailyAllowance = newAllowance;
+  console.log(`Daily allowance set to: ${eurosFormatter.format(newAllowance)}`);
+}
+
 function transferInto(wallet, amount) {
   console.log(
     `Transferring ${eurosFormatter.format(amount)} from ${
@@ -38,11 +49,13 @@ function createWallet(name, cash = 0) {
   return {
     _name: name,
     _cash: cash,
+    _dailyAllowance: 40, // default value for daily allowance
     deposit,
     withdraw,
     transferInto,
     reportBalance,
     getName,
+    setDailyAllowance,
   };
 }
 
@@ -51,6 +64,8 @@ function main() {
   const walletJoe = createWallet('Joe', 10);
   const walletJane = createWallet('Jane', 20);
 
+  walletJack.transferInto(walletJoe, 50);
+  walletJack.setDailyAllowance(80);
   walletJack.transferInto(walletJoe, 50);
   walletJane.transferInto(walletJoe, 25);
 
diff --git a/Week4/prep-exercises/1-wallet/ex5-prototype.js b/Week4/prep-exercises/1-wallet/ex5-prototype.js
@@ -3,6 +3,7 @@ import eurosFormatter from './euroFormatter.js';
 function Wallet(name, cash) {
   this._name = name;
   this._cash = cash;
+  this._dailyAllowance = 40; // default value for daily allowance
 }
 
 Wallet.prototype.deposit = function (amount) {
@@ -14,11 +15,21 @@ Wallet.prototype.withdraw = function (amount) {
     console.log(`Insufficient funds!`);
     return 0;
   }
+  // first check if the amount to withdraw is greater than the daily allowance
+  if (amount > this._dailyAllowance) {
+    console.log(`Insufficient remaining daily allowance!`);
+    return 0;
+  }
 
   this._cash -= amount;
   return amount;
 };
 
+Wallet.prototype.setDailyAllowance = function (newAllowance) {
+  this._dailyAllowance = newAllowance;
+  console.log(`Daily allowance set to: ${eurosFormatter.format(newAllowance)}`);
+};
+
 Wallet.prototype.transferInto = function (wallet, amount) {
   console.log(
     `Transferring ${eurosFormatter.format(amount)} from ${
@@ -44,6 +55,8 @@ function main() {
   const walletJoe = new Wallet('Joe', 10);
   const walletJane = new Wallet('Jane', 20);
 
+  walletJack.transferInto(walletJoe, 50);
+  walletJack.setDailyAllowance(80);
   walletJack.transferInto(walletJoe, 50);
   walletJane.transferInto(walletJoe, 25);
 
