Merge pull request #275 from Sambit-Mondal/ChatbotJSextension

Fixes #159 : Chatbot
Sulagna-Dutta-Roy · May 18, 2024 · f710ea9 · f710ea9
2 parents 5903b13 + 7ecf53b
commit f710ea9
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diff --git a/Chatbot/index.html b/Chatbot/index.html
@@ -0,0 +1,37 @@
+<!DOCTYPE html>
+<!-- Coding By CodingNepal - www.codingnepalweb.com -->
+<html lang="en" dir="ltr">
+  <head>
+    <meta charset="utf-8">
+    <title>Chatbot</title>
+    <link rel="stylesheet" href="src/style.css">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <!-- Google Fonts Link For Icons -->
+    <link rel="stylesheet" href="https://fonts.googleapis.com/css2?family=Material+Symbols+Outlined:opsz,wght,FILL,GRAD@48,400,0,0" />
+    <link rel="stylesheet" href="https://fonts.googleapis.com/css2?family=Material+Symbols+Rounded:opsz,wght,FILL,GRAD@48,400,1,0" />
+    <script src="scripts/script.js" defer></script>
+  </head>
+  <body>
+    <button class="chatbot-toggler">
+      <span class="material-symbols-rounded">mode_comment</span>
+      <span class="material-symbols-outlined">close</span>
+    </button>
+    <div class="chatbot">
+      <header>
+        <h2>Chatbot</h2>
+        <span class="close-btn material-symbols-outlined">close</span>
+      </header>
+      <ul class="chatbox">
+        <li class="chat incoming">
+          <span class="material-symbols-outlined">smart_toy</span>
+          <p>Hi there 👋<br>How can I help you today?</p>
+        </li>
+      </ul>
+      <div class="chat-input">
+        <textarea placeholder="Enter a message..." spellcheck="false" required></textarea>
+        <span id="send-btn" class="material-symbols-rounded">send</span>
+      </div>
+    </div>
+
+  </body>
+</html>
diff --git a/Chatbot/manifest.json b/Chatbot/manifest.json
@@ -0,0 +1,28 @@
+{
+    "manifest_version": 3,
+    "name": "Chatbot Extension JS",
+    "version": "1.0",
+    "description": "Chatbot extension built in pure HTML CSS JS...",
+    "author" : "sambitmondal2005@gmail.com",
+    "icons": {
+        "48": "images/icon-48.png",
+        "128": "images/icon-128.png"
+    },
+    "permissions": [
+        "storage"
+    ],
+    "optional-permissions" : ["tabs"],
+    "action": {
+        "default_popup": "index.html"
+    },
+    "web_accessible_resources": [
+        {
+            "resources": [
+                "index.html"
+            ],
+            "matches": [
+                "<all_urls>"
+            ]
+        }
+    ]
+}
diff --git a/Chatbot/scripts/script.js b/Chatbot/scripts/script.js
@@ -0,0 +1,85 @@
+const chatbotToggler = document.querySelector(".chatbot-toggler");
+const closeBtn = document.querySelector(".close-btn");
+const chatbox = document.querySelector(".chatbox");
+const chatInput = document.querySelector(".chat-input textarea");
+const sendChatBtn = document.querySelector(".chat-input span");
+
+let userMessage = null; // Variable to store user's message
+const API_KEY = "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"; // Paste your API key here
+const inputInitHeight = chatInput.scrollHeight;
+
+const createChatLi = (message, className) => {
+    // Create a chat <li> element with passed message and className
+    const chatLi = document.createElement("li");
+    chatLi.classList.add("chat", `${className}`);
+    let chatContent = className === "outgoing" ? `<p></p>` : `<span class="material-symbols-outlined">smart_toy</span><p></p>`;
+    chatLi.innerHTML = chatContent;
+    chatLi.querySelector("p").textContent = message;
+    return chatLi; // return chat <li> element
+}
+
+const generateResponse = (chatElement) => {
+    const API_URL = "https://api.openai.com/v1/chat/completions";
+    const messageElement = chatElement.querySelector("p");
+
+    // Define the properties and message for the API request
+    const requestOptions = {
+        method: "POST",
+        headers: {
+            "Content-Type": "application/json",
+            "Authorization": `Bearer ${API_KEY}`
+        },
+        body: JSON.stringify({
+            model: "gpt-3.5-turbo",
+            messages: [{role: "user", content: userMessage}],
+        })
+    }
+
+    // Send POST request to API, get response and set the reponse as paragraph text
+    fetch(API_URL, requestOptions).then(res => res.json()).then(data => {
+        messageElement.textContent = data.choices[0].message.content.trim();
+    }).catch(() => {
+        messageElement.classList.add("error");
+        messageElement.textContent = "Oops! Something went wrong. Please try again.";
+    }).finally(() => chatbox.scrollTo(0, chatbox.scrollHeight));
+}
+
+const handleChat = () => {
+    userMessage = chatInput.value.trim(); // Get user entered message and remove extra whitespace
+    if(!userMessage) return;
+
+    // Clear the input textarea and set its height to default
+    chatInput.value = "";
+    chatInput.style.height = `${inputInitHeight}px`;
+
+    // Append the user's message to the chatbox
+    chatbox.appendChild(createChatLi(userMessage, "outgoing"));
+    chatbox.scrollTo(0, chatbox.scrollHeight);
+
+    setTimeout(() => {
+        // Display "Thinking..." message while waiting for the response
+        const incomingChatLi = createChatLi("Thinking...", "incoming");
+        chatbox.appendChild(incomingChatLi);
+        chatbox.scrollTo(0, chatbox.scrollHeight);
+        generateResponse(incomingChatLi);
+    }, 600);
+}
+
+chatInput.addEventListener("input", () => {
+    // Adjust the height of the input textarea based on its content
+    chatInput.style.height = `${inputInitHeight}px`;
+    chatInput.style.height = `${chatInput.scrollHeight}px`;
+});
+
+chatInput.addEventListener("keydown", (e) => {
+    // If Enter key is pressed without Shift key and the window 
+    // width is greater than 800px, handle the chat
+    if(e.key === "Enter" && !e.shiftKey && window.innerWidth > 800) {
+        e.preventDefault();
+        handleChat();
+    }
+});
+
+sendChatBtn.addEventListener("click", handleChat);
+closeBtn.addEventListener("click", () => document.body.classList.remove("show-chatbot"));
+chatbotToggler.addEventListener("click", () => document.body.classList.toggle("show-chatbot"));
diff --git a/Chatbot/src/style.css b/Chatbot/src/style.css
@@ -0,0 +1,225 @@
+/* Import Google font - Poppins */
+@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@400;500;600&display=swap');
+
+* {
+    margin: 0;
+    padding: 0;
+    box-sizing: border-box;
+    font-family: "Poppins", sans-serif;
+}
+
+body {
+    background: #E3F2FD;
+}
+
+.chatbot-toggler {
+    position: fixed;
+    bottom: 30px;
+    right: 35px;
+    outline: none;
+    border: none;
+    height: 50px;
+    width: 50px;
+    display: flex;
+    cursor: pointer;
+    align-items: center;
+    justify-content: center;
+    border-radius: 50%;
+    background: #724ae8;
+    transition: all 0.2s ease;
+}
+
+body.show-chatbot .chatbot-toggler {
+    transform: rotate(90deg);
+}
+
+.chatbot-toggler span {
+    color: #fff;
+    position: absolute;
+}
+
+.chatbot-toggler span:last-child,
+body.show-chatbot .chatbot-toggler span:first-child {
+    opacity: 0;
+}
+
+body.show-chatbot .chatbot-toggler span:last-child {
+    opacity: 1;
+}
+
+.chatbot {
+    position: fixed;
+    right: 35px;
+    bottom: 90px;
+    width: 420px;
+    background: #fff;
+    border-radius: 15px;
+    overflow: hidden;
+    opacity: 0;
+    pointer-events: none;
+    transform: scale(0.5);
+    transform-origin: bottom right;
+    box-shadow: 0 0 128px 0 rgba(0, 0, 0, 0.1),
+        0 32px 64px -48px rgba(0, 0, 0, 0.5);
+    transition: all 0.1s ease;
+}
+
+body.show-chatbot .chatbot {
+    opacity: 1;
+    pointer-events: auto;
+    transform: scale(1);
+}
+
+.chatbot header {
+    padding: 16px 0;
+    position: relative;
+    text-align: center;
+    color: #fff;
+    background: #724ae8;
+    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
+}
+
+.chatbot header span {
+    position: absolute;
+    right: 15px;
+    top: 50%;
+    display: none;
+    cursor: pointer;
+    transform: translateY(-50%);
+}
+
+header h2 {
+    font-size: 1.4rem;
+}
+
+.chatbot .chatbox {
+    overflow-y: auto;
+    height: 380px;
+    padding: 30px 20px 100px;
+}
+
+.chatbot :where(.chatbox, textarea)::-webkit-scrollbar {
+    width: 6px;
+}
+
+.chatbot :where(.chatbox, textarea)::-webkit-scrollbar-track {
+    background: #fff;
+    border-radius: 25px;
+}
+
+.chatbot :where(.chatbox, textarea)::-webkit-scrollbar-thumb {
+    background: #ccc;
+    border-radius: 25px;
+}
+
+.chatbox .chat {
+    display: flex;
+    list-style: none;
+}
+
+.chatbox .outgoing {
+    margin: 20px 0;
+    justify-content: flex-end;
+}
+
+.chatbox .incoming span {
+    width: 32px;
+    height: 32px;
+    color: #fff;
+    cursor: default;
+    text-align: center;
+    line-height: 32px;
+    align-self: flex-end;
+    background: #724ae8;
+    border-radius: 4px;
+    margin: 0 10px 7px 0;
+}
+
+.chatbox .chat p {
+    white-space: pre-wrap;
+    padding: 12px 16px;
+    border-radius: 10px 10px 0 10px;
+    max-width: 75%;
+    color: #fff;
+    font-size: 0.95rem;
+    background: #724ae8;
+}
+
+.chatbox .incoming p {
+    border-radius: 10px 10px 10px 0;
+}
+
+.chatbox .chat p.error {
+    color: #721c24;
+    background: #f8d7da;
+}
+
+.chatbox .incoming p {
+    color: #000;
+    background: #f2f2f2;
+}
+
+.chatbot .chat-input {
+    display: flex;
+    gap: 5px;
+    position: absolute;
+    bottom: 0;
+    width: 100%;
+    background: #fff;
+    padding: 3px 20px;
+    border-top: 1px solid #ddd;
+}
+
+.chat-input textarea {
+    height: 55px;
+    width: 100%;
+    border: none;
+    outline: none;
+    resize: none;
+    max-height: 180px;
+    padding: 15px 15px 15px 0;
+    font-size: 0.95rem;
+}
+
+.chat-input span {
+    align-self: flex-end;
+    color: #724ae8;
+    cursor: pointer;
+    height: 55px;
+    display: flex;
+    align-items: center;
+    visibility: hidden;
+    font-size: 1.35rem;
+}
+
+.chat-input textarea:valid~span {
+    visibility: visible;
+}
+
+@media (max-width: 490px) {
+    .chatbot-toggler {
+        right: 20px;
+        bottom: 20px;
+    }
+
+    .chatbot {
+        right: 0;
+        bottom: 0;
+        height: 100%;
+        border-radius: 0;
+        width: 100%;
+    }
+
+    .chatbot .chatbox {
+        height: 90%;
+        padding: 25px 15px 100px;
+    }
+
+    .chatbot .chat-input {
+        padding: 5px 15px;
+    }
+
+    .chatbot header span {
+        display: block;
+    }
+}