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Javascript javascript1 week4/guzide #122

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Javascript javascript1 week4/guzide #122

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52cbd7f
moved the week4 practice to a new branch from main which was mistaken…
GuzideGuzelbey Dec 6, 2024
98db665
validation for 1 minute added
GuzideGuzelbey Dec 19, 2024
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11 changes: 11 additions & 0 deletions javascript/javascript1/week4/week4-guzide/index.html
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Original file line number Diff line number Diff line change
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>Voice Assistant</title>
</head>
<body>
<script src="voiceAssistant.js"></script>
</body>
</html>
157 changes: 157 additions & 0 deletions javascript/javascript1/week4/week4-guzide/voiceAssistant.js
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Original file line number Diff line number Diff line change
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const toDo = [];
let userName = "";

function getReply(command) {
if (command.startsWith("Hello my name is")) {
return setUserName(command);
}

if (command.startsWith("What is my name?")) {
return getUserName();
}

if (command.startsWith("Add")) {
return addToDo(command);
}

if (command.startsWith("Remove")) {
return removeToDo(command);
}

if (command === "What is on my todo?") {
return showToDos();
}

if (command === "What day is it today?") {
return getAndFormatDate();
}

if (command.startsWith("what is")) {
return calculate(command);
}

if (command.startsWith("Set a timer for")) {
return setTimer(command);
}

if (command === "What is the purpose of life?") {
return "To find your unique path!";
}
}

function setUserName(input) {
userName = input.split(" ").slice(4).join(" ");
return `Nice to meet you ${userName.toLowerCase()}`;
}

function getUserName() {
if (userName) {
return `Your name is ${userName}`;
} else {
return "Please, first save your name!";
}
}

function addToDo(input) {
const inputArray = input.split(" ");
const taskToDo = inputArray.slice(1, inputArray.length - 3).join(" ");
toDo.push(taskToDo);
return `${taskToDo.toLowerCase()} added to your todo.`;
}

function removeToDo(input) {
const inputArray = input.split(" ");
const taskToRemove = inputArray.slice(1, inputArray.length - 3).join(" ");
const taskToRemoveIndex = toDo.indexOf(taskToRemove);
if (toDo.includes(taskToRemove)) {
toDo.splice(taskToRemoveIndex, 1);
return `Removed ${taskToRemove} from your todo.`;
} else {
return `${taskToRemove} is not in your todo.`;
}
}

function showToDos() {
if (toDo.length > 0) {
return `You have ${toDo.length} todos - ${toDo.join(", ")}.`;
} else {
return "Your todo list is empty.";
}
}

function getAndFormatDate() {
const today = new Date();
const day = today.getDate();
const months = [
"January",
"February",
"March",
"April",
"May",
"June",
"July",
"August",
"September",
"October",
"November",
"December",
];
const month = months[today.getMonth()];
const year = today.getFullYear();
return `${day}. of ${month} ${year}`;
}

function calculate(input) {
const numbers = input.match(/\d+/g).map(Number);
const operators = input.match(/[\+\-\*\/]/)?.[0];
if (numbers?.length === 2 && operators) {
const [a, b] = numbers;
switch (operators) {
case "+":
return a + b;
case "-":
return a - b;
case "*":
return a * b;
case "/":
return b !== 0 ? a / b : "Cannot divide by zero";
default:
return "Sorry, this operator is not supported.";
}
}
return "Error! Invalid calculation command.";
}
Comment on lines +104 to +123
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Good solution. For solving mathematical calculations you can use eval() function as well.

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Hi Khandohii, thank you. But while I was searching for the methods to be used I came up with this info "eval() executes any JavaScript code in the input string. This makes it vulnerable to injection attacks." That is why I did not use it. What do you think about this info?


function setTimer(input) {
const time = input.match(/Set a timer for (\d+) (minute|minutes)/i);

if (time) {
const minutes = parseInt(time[1], 10);
console.log(
`Timer set for ${minutes} ${
minutes === 1 ? "minute" : "minutes"
} minutes.`
);
const milliseconds = minutes * 60 * 1000;
setTimeout(() => {
console.log("Timer done.");
}, milliseconds);
return "Counting";
} else {
return "Invalid command. Please use the format: 'Set a timer for n minutes' or 'Set a timer for 1 minute'.";
}
}

console.log(getReply("Hello my name is Benjamin"));
console.log(getReply("What is my name?"));
console.log(getReply("Add fishing to my todo"));
console.log(getReply("Remove fishing from my todo"));
console.log(getReply("Add singing in the shower to my todo"));
console.log(getReply("What is on my todo?"));
console.log(getReply("What is the purpose of life?"));
console.log(getReply("Set a timer for 1 minutes")); //You should wait for that x min to see the full response
console.log(getReply("Set a timer for time minutes"));
console.log(getReply("what is 4 * 12"));
console.log(getReply("what is 89 / 12"));
console.log(getReply("what is 4 = 28"));
console.log(getReply("What day is it today?"));