From 75c8dd0fadc80ca01572d92407d8a987d779f675 Mon Sep 17 00:00:00 2001
From: AbdulrahmanAlshatti <abdulrahmanalshatti0@gmail.com>
Date: Mon, 10 Mar 2025 13:33:07 +0300
Subject: [PATCH] Task Done - Abdulrahman Alshatti and Mishari Aldoub

---
 src/transactions.ts | 20 +++++++-------------
 1 file changed, 7 insertions(+), 13 deletions(-)

diff --git a/src/transactions.ts b/src/transactions.ts
index f1cd836..6d4181f 100644
--- a/src/transactions.ts
+++ b/src/transactions.ts
@@ -21,8 +21,7 @@ const transactions: Transaction[] = [
 // filterIncomeTransactions(transactions); // => [["income", 1000], ["income", 1500], ["income", 700]]
 function filterIncomeTransactions(transactions: Transaction[]): Transaction[] {
   // write your code here...
-
-  return []; // replace empty array with what you see is fit
+  return transactions.filter((number)=> number[0] == "income"); // replace empty array with what you see is fit
 }
 
 // `filterExpenseTransactions` function that:
@@ -32,8 +31,7 @@ function filterIncomeTransactions(transactions: Transaction[]): Transaction[] {
 // filterExpenseTransactions(transactions); // => [["expense", 500], ["expense", 300]]
 function filterExpenseTransactions(transactions: Transaction[]): Transaction[] {
   // write your code here...
-
-  return []; // replace empty array with what you see is fit
+  return transactions.filter((number)=> number[0] == "expense"); // replace empty array with what you see is fit
 }
 
 // `calculateTotalIncome` function that:
@@ -43,8 +41,7 @@ function filterExpenseTransactions(transactions: Transaction[]): Transaction[] {
 // calculateTotalIncome(transactions); // => 3200  (1000 + 1500 + 700)
 function calculateTotalIncome(transactions: Transaction[]): number {
   // write your code here...
-
-  return -1; // replace -1 with what you see is fit
+  return filterIncomeTransactions(transactions).reduce((total,transaction)=> total + transaction[1],0); // replace -1 with what you see is fit
 }
 
 // `calculateTotalExpenses` function that:
@@ -54,8 +51,7 @@ function calculateTotalIncome(transactions: Transaction[]): number {
 // calculateTotalExpenses(transactions); // => 800  (500 + 300)
 function calculateTotalExpenses(transactions: Transaction[]): number {
   // write your code here...
-
-  return -1; // replace -1 with what you see is fit
+  return filterExpenseTransactions(transactions).reduce((total,transaction)=> total + transaction[1],0); // replace -1 with what you see is fit
 }
 
 // `calculateNetTotal` function that:
@@ -64,9 +60,8 @@ function calculateTotalExpenses(transactions: Transaction[]): number {
 // example:
 // calculateNetTotal(transactions); // => 2400  (3200 - 800)
 function calculateNetTotal(transactions: Transaction[]): number {
-  // write your code here...
-
-  return -1; // replace -1 with what you see is fit
+  // write your code here...  
+  return calculateTotalIncome(transactions) - calculateTotalExpenses(transactions); // replace -1 with what you see is fit
 }
 
 // `filterSignificantTransactions` function that:
@@ -81,8 +76,7 @@ function filterSignificantTransactions(
   threshold: number
 ): Transaction[] {
   // write your code here...
-
-  return []; // replace empty array with what you see is fit
+  return transactions.filter((number)=> number[1] >= threshold); // replace empty array with what you see is fit
 }
 
 export {