Upload 5 files
Browse files- README.md +48 -8
- index.html +609 -19
- main.py +83 -0
- model.py +15 -0
- requirements.txt +9 -0
README.md
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---
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---
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# 🤖 Tap Bot – AI Chatbot App
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Welcome to **Tap Bot**, a simple AI chatbot app built with FastAPI and deployed for free using **Deta Space**. This project serves a static HTML/CSS/JS frontend and handles backend chat requests via an API endpoint.
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---
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## ✨ Features
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- 🎨 Beautiful animated chat UI
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- 💬 Typing effects and copy-to-clipboard
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- 🔄 Clear chat, open/close animations
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- 🚀 Free 24/7 hosting with Deta (no hours limit)
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- 🧠 Powered by your own backend logic (LLM optional)
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---
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## 🧱 Tech Stack
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- **Frontend**: HTML, CSS, JavaScript (Vanilla)
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- **Backend**: FastAPI (Python)
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- **Hosting**: Deta Space
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---
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## 🔗 Live Demo
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Once deployed, app will be available at:
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---
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## 🧪 Local Development
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```bash
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# Install dependencies
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pip install -r requirements.txt
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# Run server
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uvicorn main:app --reload
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```
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Access at: http://localhost:8000
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---
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📝 License
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This project is open-source and free to use.
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⸻
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Built by sahildesai.dev
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index.html
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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<title>Tap Bot</title>
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<script src="https://cdn.jsdelivr.net/npm/showdown@2.1.0/dist/showdown.min.js"></script>
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<style>
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body {
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margin: 0;
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padding: 0;
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font-family: 'Segoe UI', sans-serif;
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background: linear-gradient(-45deg, #1f1c2c, #928dab, #2b5876, #4e4376);
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background-size: 400% 400%;
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animation: gradientBG 15s ease infinite;
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color: #fff;
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display: flex;
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flex-direction: column;
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align-items: center;
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justify-content: center;
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min-height: 100vh;
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text-align: center;
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}
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@keyframes gradientBG {
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0% {
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background-position: 0% 50%;
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}
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50% {
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background-position: 100% 50%;
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}
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100% {
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background-position: 0% 50%;
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}
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}
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h1 {
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font-size: 3em;
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margin-bottom: 0.3em;
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}
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.store-buttons {
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display: flex;
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gap: 20px;
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flex-wrap: wrap;
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justify-content: center;
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margin: 20px 0;
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}
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.store-buttons img {
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width: 160px;
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height: auto;
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}
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.try-btn {
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background-color: #fff;
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color: #2980b9;
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border: none;
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padding: 10px 20px;
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font-size: 1.2em;
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border-radius: 8px;
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cursor: pointer;
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| 63 |
+
transition: 0.3s ease;
|
| 64 |
+
}
|
| 65 |
+
|
| 66 |
+
.try-btn:hover {
|
| 67 |
+
background-color: #e0e0e0;
|
| 68 |
+
}
|
| 69 |
+
|
| 70 |
+
.chat-container {
|
| 71 |
+
position: fixed;
|
| 72 |
+
bottom: 20px;
|
| 73 |
+
right: 20px;
|
| 74 |
+
background: white;
|
| 75 |
+
color: black;
|
| 76 |
+
border-radius: 12px;
|
| 77 |
+
box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
|
| 78 |
+
width: 350px;
|
| 79 |
+
height: 500px;
|
| 80 |
+
max-height: 90vh;
|
| 81 |
+
overflow: hidden;
|
| 82 |
+
display: none;
|
| 83 |
+
flex-direction: column;
|
| 84 |
+
/* Animation styles */
|
| 85 |
+
transform: scale(0);
|
| 86 |
+
opacity: 0;
|
| 87 |
+
transition: transform 0.3s ease, opacity 0.3s ease;
|
| 88 |
+
pointer-events: none;
|
| 89 |
+
}
|
| 90 |
+
|
| 91 |
+
.chat-container.open {
|
| 92 |
+
transform: scale(1);
|
| 93 |
+
opacity: 1;
|
| 94 |
+
pointer-events: auto;
|
| 95 |
+
}
|
| 96 |
+
|
| 97 |
+
.chat-header {
|
| 98 |
+
background-color: #2980b9;
|
| 99 |
+
color: white;
|
| 100 |
+
padding: 10px;
|
| 101 |
+
font-weight: bold;
|
| 102 |
+
display: flex;
|
| 103 |
+
justify-content: space-between;
|
| 104 |
+
align-items: center;
|
| 105 |
+
}
|
| 106 |
+
|
| 107 |
+
.chat-body {
|
| 108 |
+
padding: 10px;
|
| 109 |
+
overflow-y: auto;
|
| 110 |
+
flex-grow: 1;
|
| 111 |
+
}
|
| 112 |
+
|
| 113 |
+
.chat-input {
|
| 114 |
+
display: flex;
|
| 115 |
+
border-top: 1px solid #ccc;
|
| 116 |
+
}
|
| 117 |
+
|
| 118 |
+
.chat-input input {
|
| 119 |
+
flex-grow: 1;
|
| 120 |
+
border: none;
|
| 121 |
+
padding: 10px;
|
| 122 |
+
font-size: 1em;
|
| 123 |
+
}
|
| 124 |
+
|
| 125 |
+
.chat-input button {
|
| 126 |
+
border: none;
|
| 127 |
+
padding: 10px 15px;
|
| 128 |
+
background-color: #2980b9;
|
| 129 |
+
color: white;
|
| 130 |
+
cursor: pointer;
|
| 131 |
+
}
|
| 132 |
+
|
| 133 |
+
.msg.user {
|
| 134 |
+
text-align: right;
|
| 135 |
+
margin: 5px 0;
|
| 136 |
+
}
|
| 137 |
+
|
| 138 |
+
.msg.bot {
|
| 139 |
+
text-align: left;
|
| 140 |
+
margin: 5px 0;
|
| 141 |
+
}
|
| 142 |
+
|
| 143 |
+
.msg .bubble {
|
| 144 |
+
display: inline-block;
|
| 145 |
+
padding: 10px;
|
| 146 |
+
border-radius: 10px;
|
| 147 |
+
max-width: 85%;
|
| 148 |
+
}
|
| 149 |
+
|
| 150 |
+
.msg.user .bubble {
|
| 151 |
+
background: #d1eaff;
|
| 152 |
+
color: #000;
|
| 153 |
+
}
|
| 154 |
+
|
| 155 |
+
.msg.bot .bubble {
|
| 156 |
+
background: #f1f1f1;
|
| 157 |
+
color: #000;
|
| 158 |
+
}
|
| 159 |
+
|
| 160 |
+
.bubble.typing {
|
| 161 |
+
font-style: italic;
|
| 162 |
+
}
|
| 163 |
+
|
| 164 |
+
.copy-btn {
|
| 165 |
+
background: none;
|
| 166 |
+
border: none;
|
| 167 |
+
cursor: pointer;
|
| 168 |
+
font-size: 1em;
|
| 169 |
+
margin-left: 6px;
|
| 170 |
+
color: #555;
|
| 171 |
+
float: right;
|
| 172 |
+
position: relative;
|
| 173 |
+
}
|
| 174 |
+
|
| 175 |
+
.copy-btn::after {
|
| 176 |
+
content: "Copy";
|
| 177 |
+
position: absolute;
|
| 178 |
+
bottom: 100%;
|
| 179 |
+
left: 50%;
|
| 180 |
+
transform: translateX(-50%);
|
| 181 |
+
background: #000;
|
| 182 |
+
color: #fff;
|
| 183 |
+
padding: 4px 8px;
|
| 184 |
+
font-size: 0.75em;
|
| 185 |
+
border-radius: 4px;
|
| 186 |
+
opacity: 0;
|
| 187 |
+
white-space: nowrap;
|
| 188 |
+
pointer-events: none;
|
| 189 |
+
transition: opacity 0.2s;
|
| 190 |
+
}
|
| 191 |
+
|
| 192 |
+
.copy-btn:hover::after {
|
| 193 |
+
opacity: 1;
|
| 194 |
+
}
|
| 195 |
+
|
| 196 |
+
.toast {
|
| 197 |
+
visibility: hidden;
|
| 198 |
+
min-width: 120px;
|
| 199 |
+
background-color: #333;
|
| 200 |
+
color: #fff;
|
| 201 |
+
text-align: center;
|
| 202 |
+
border-radius: 6px;
|
| 203 |
+
padding: 10px;
|
| 204 |
+
position: fixed;
|
| 205 |
+
z-index: 1;
|
| 206 |
+
left: 50%;
|
| 207 |
+
bottom: 30px;
|
| 208 |
+
transform: translateX(-50%);
|
| 209 |
+
font-size: 0.9em;
|
| 210 |
+
opacity: 0;
|
| 211 |
+
transition: opacity 0.5s, bottom 0.5s;
|
| 212 |
+
}
|
| 213 |
+
|
| 214 |
+
.toast.show {
|
| 215 |
+
visibility: visible;
|
| 216 |
+
opacity: 1;
|
| 217 |
+
bottom: 50px;
|
| 218 |
+
}
|
| 219 |
+
|
| 220 |
+
#typing {
|
| 221 |
+
display: flex;
|
| 222 |
+
padding: 5px;
|
| 223 |
+
font-style: italic;
|
| 224 |
+
color: #555;
|
| 225 |
+
align-items: center;
|
| 226 |
+
}
|
| 227 |
+
|
| 228 |
+
#typing span.dot {
|
| 229 |
+
height: 10px;
|
| 230 |
+
width: 10px;
|
| 231 |
+
margin: 0 3px;
|
| 232 |
+
background-color: #999;
|
| 233 |
+
border-radius: 50%;
|
| 234 |
+
display: inline-block;
|
| 235 |
+
animation: blink 1.4s infinite;
|
| 236 |
+
}
|
| 237 |
+
|
| 238 |
+
#typing span.dot:nth-child(2) {
|
| 239 |
+
animation-delay: 0.2s;
|
| 240 |
+
}
|
| 241 |
+
|
| 242 |
+
#typing span.dot:nth-child(3) {
|
| 243 |
+
animation-delay: 0.4s;
|
| 244 |
+
}
|
| 245 |
+
|
| 246 |
+
@keyframes blink {
|
| 247 |
+
0%, 80%, 100% {
|
| 248 |
+
opacity: 0.2;
|
| 249 |
+
transform: scale(0.8);
|
| 250 |
+
}
|
| 251 |
+
40% {
|
| 252 |
+
opacity: 1;
|
| 253 |
+
transform: scale(1);
|
| 254 |
+
}
|
| 255 |
+
}
|
| 256 |
+
|
| 257 |
+
footer {
|
| 258 |
+
margin-top: 40px;
|
| 259 |
+
font-size: 0.9em;
|
| 260 |
+
}
|
| 261 |
+
|
| 262 |
+
@media (max-width: 600px) {
|
| 263 |
+
.store-buttons {
|
| 264 |
+
flex-direction: column;
|
| 265 |
+
align-items: center;
|
| 266 |
+
}
|
| 267 |
+
}
|
| 268 |
+
</style>
|
| 269 |
+
</head>
|
| 270 |
+
<div id="toast" class="toast">Copied!</div>
|
| 271 |
+
<body>
|
| 272 |
+
|
| 273 |
+
<h1 id="welcomeTitle"></h1>
|
| 274 |
+
<p id="welcomeSub"></p>
|
| 275 |
+
<div class="store-buttons">
|
| 276 |
+
<a href="#"><img
|
| 277 |
+
src="https://upload.wikimedia.org/wikipedia/commons/thumb/7/78/Google_Play_Store_badge_EN.svg/512px-Google_Play_Store_badge_EN.svg.png"
|
| 278 |
+
alt="Google Play"></a>
|
| 279 |
+
<a href="#"><img src="https://developer.apple.com/assets/elements/badges/download-on-the-app-store.svg"
|
| 280 |
+
alt="App Store"></a>
|
| 281 |
+
</div>
|
| 282 |
+
|
| 283 |
+
<button class="try-btn" onclick="openChat()">Try Now</button>
|
| 284 |
+
|
| 285 |
+
<footer>
|
| 286 |
+
<p><strong>Disclaimer:</strong> Tap Bot is powered by a fine-tuned language model trained using publicly available
|
| 287 |
+
data. </p>
|
| 288 |
+
<p> We do not claim ownership of the original data sources used for training. </p>
|
| 289 |
+
<p> Developed by <a href="https://sahildesai.dev" target="_blank" style="color:#fff;text-decoration:underline;">sahildesai.dev</a>
|
| 290 |
+
</p>
|
| 291 |
+
</footer>
|
| 292 |
+
|
| 293 |
+
<div class="chat-container" id="chatBox">
|
| 294 |
+
<div class="chat-header"><span id="chatTitle"></span>
|
| 295 |
+
<div>
|
| 296 |
+
<button onclick="clearChat()" style="background:none; border:none; cursor:pointer;">
|
| 297 |
+
<svg xmlns="http://www.w3.org/2000/svg" height="20" width="20" fill="white" viewBox="0 0 24 24">
|
| 298 |
+
<path d="M3 6h18v2H3V6zm2 3h14l-1.5 12.5H6.5L5 9zm5.5-5h3v2h-3V4z"/>
|
| 299 |
+
</svg>
|
| 300 |
+
</button>
|
| 301 |
+
<button onclick="toggleChat()"
|
| 302 |
+
style="background:none;border:none;color:white;font-size:1.2em;cursor:pointer;">X
|
| 303 |
+
</button>
|
| 304 |
+
</div>
|
| 305 |
+
</div>
|
| 306 |
+
<div class="chat-body" id="chatMessages">
|
| 307 |
+
<div class="msg bot" id="welcomeMessage">
|
| 308 |
+
<div class="bubble">Hi there! I’m Tap Bot. How can I help you today?</div>
|
| 309 |
+
</div>
|
| 310 |
+
</div>
|
| 311 |
+
<div class="chat-input">
|
| 312 |
+
<input type="text" id="userInput" placeholder="What's on your mind?" oninput="toggleSendButton()"
|
| 313 |
+
onkeydown="handleEnter(event)"/>
|
| 314 |
+
<button id="sendBtn" onclick="submitMessage()" disabled>Send</button>
|
| 315 |
+
</div>
|
| 316 |
+
</div>
|
| 317 |
+
|
| 318 |
+
<script>
|
| 319 |
+
const botName = "Tap Bot";
|
| 320 |
+
|
| 321 |
+
document.addEventListener("DOMContentLoaded", () => {
|
| 322 |
+
document.getElementById("welcomeTitle").textContent = `Welcome to ${botName}!`;
|
| 323 |
+
document.getElementById("welcomeSub").textContent = `Your AI-powered assistant is live.`;
|
| 324 |
+
document.getElementById("chatTitle").textContent = botName;
|
| 325 |
+
});
|
| 326 |
+
|
| 327 |
+
function copyToClipboard(button) {
|
| 328 |
+
const text = button.previousElementSibling.textContent;
|
| 329 |
+
navigator.clipboard.writeText(text).then(() => {
|
| 330 |
+
button.textContent = "✅";
|
| 331 |
+
setTimeout(() => (button.textContent = "📋"), 1500);
|
| 332 |
+
});
|
| 333 |
+
}
|
| 334 |
+
|
| 335 |
+
function openChat() {
|
| 336 |
+
const box = document.getElementById("chatBox");
|
| 337 |
+
box.classList.add("open");
|
| 338 |
+
document.getElementById("chatMessages").innerHTML = "";
|
| 339 |
+
const chatMessages = document.getElementById("chatMessages");
|
| 340 |
+
box.style.display = "flex";
|
| 341 |
+
chatMessages.innerHTML = ''; // Clear on open
|
| 342 |
+
|
| 343 |
+
// Add typing dots
|
| 344 |
+
const botDiv = document.createElement("div");
|
| 345 |
+
botDiv.className = "msg bot";
|
| 346 |
+
const typingDiv = document.createElement("div");
|
| 347 |
+
typingDiv.className = "bubble typing";
|
| 348 |
+
typingDiv.innerHTML = `<div id="typing"><span class="dot"></span><span class="dot"></span><span class="dot"></span></div>`;
|
| 349 |
+
botDiv.appendChild(typingDiv);
|
| 350 |
+
chatMessages.appendChild(botDiv);
|
| 351 |
+
|
| 352 |
+
chatMessages.scrollTop = chatMessages.scrollHeight;
|
| 353 |
+
|
| 354 |
+
// After delay, show welcome message with typing
|
| 355 |
+
setTimeout(() => {
|
| 356 |
+
const welcomeText = "Hi there! I’m Tap Bot. How can I help you today?";
|
| 357 |
+
let i = 0;
|
| 358 |
+
typingDiv.innerHTML = "";
|
| 359 |
+
const textNode = document.createElement("div");
|
| 360 |
+
typingDiv.appendChild(textNode);
|
| 361 |
+
|
| 362 |
+
function typeChar() {
|
| 363 |
+
if (i < welcomeText.length) {
|
| 364 |
+
textNode.textContent += welcomeText[i++];
|
| 365 |
+
chatMessages.scrollTop = chatMessages.scrollHeight;
|
| 366 |
+
setTimeout(typeChar, 30);
|
| 367 |
+
}
|
| 368 |
+
}
|
| 369 |
+
|
| 370 |
+
typeChar();
|
| 371 |
+
}, 500);
|
| 372 |
+
}
|
| 373 |
+
|
| 374 |
+
function toggleChat() {
|
| 375 |
+
const box = document.getElementById("chatBox");
|
| 376 |
+
box.classList.toggle("open");
|
| 377 |
+
}
|
| 378 |
+
|
| 379 |
+
function clearChat() {
|
| 380 |
+
const chatMessages = document.getElementById("chatMessages");
|
| 381 |
+
chatMessages.innerHTML = "";
|
| 382 |
+
const welcome = document.createElement("div");
|
| 383 |
+
welcome.className = "msg bot";
|
| 384 |
+
welcome.id = "welcomeMessage";
|
| 385 |
+
welcome.innerHTML = `<div class="bubble">Hi there! I’m Tap Bot. How can I help you today?</div>`;
|
| 386 |
+
chatMessages.appendChild(welcome);
|
| 387 |
+
chatMessages.scrollTop = chatMessages.scrollHeight;
|
| 388 |
+
|
| 389 |
+
setTimeout(() => {
|
| 390 |
+
const welcomeText = "Hi there! I’m Tap Bot. How can I help you today?";
|
| 391 |
+
let i = 0;
|
| 392 |
+
typingDiv.innerHTML = "";
|
| 393 |
+
|
| 394 |
+
function typeChar() {
|
| 395 |
+
if (i < welcomeText.length) {
|
| 396 |
+
typingDiv.innerHTML += welcomeText[i++];
|
| 397 |
+
chatMessages.scrollTop = chatMessages.scrollHeight;
|
| 398 |
+
setTimeout(typeChar, 30);
|
| 399 |
+
}
|
| 400 |
+
}
|
| 401 |
+
|
| 402 |
+
typeChar();
|
| 403 |
+
}, 500);
|
| 404 |
+
}
|
| 405 |
+
|
| 406 |
+
function toggleSendButton() {
|
| 407 |
+
const btn = document.getElementById("sendBtn");
|
| 408 |
+
const input = document.getElementById("userInput");
|
| 409 |
+
btn.disabled = input.value.trim().length === 0;
|
| 410 |
+
}
|
| 411 |
+
|
| 412 |
+
function handleEnter(e) {
|
| 413 |
+
if (e.key === "Enter") {
|
| 414 |
+
e.preventDefault();
|
| 415 |
+
if (!document.getElementById("sendBtn").disabled) {
|
| 416 |
+
submitMessage();
|
| 417 |
+
}
|
| 418 |
+
}
|
| 419 |
+
}
|
| 420 |
+
|
| 421 |
+
function showToast(message = "Copied!") {
|
| 422 |
+
const toast = document.getElementById("toast");
|
| 423 |
+
toast.textContent = message;
|
| 424 |
+
toast.classList.add("show");
|
| 425 |
+
setTimeout(() => {
|
| 426 |
+
toast.classList.remove("show");
|
| 427 |
+
}, 2000); // 2 seconds
|
| 428 |
+
}
|
| 429 |
+
|
| 430 |
+
/* async function submitMessage() {
|
| 431 |
+
const input = document.getElementById("userInput");
|
| 432 |
+
const msg = input.value.trim();
|
| 433 |
+
if (!msg) return;
|
| 434 |
+
|
| 435 |
+
const chatMessages = document.getElementById("chatMessages");
|
| 436 |
+
const converter = new showdown.Converter();
|
| 437 |
+
|
| 438 |
+
// Append user message
|
| 439 |
+
const userDiv = document.createElement("div");
|
| 440 |
+
userDiv.className = "msg user";
|
| 441 |
+
userDiv.innerHTML = `<div class="bubble">${msg}</div>`;
|
| 442 |
+
chatMessages.appendChild(userDiv);
|
| 443 |
+
|
| 444 |
+
// Bot typing placeholder with animated dots
|
| 445 |
+
const botDiv = document.createElement("div");
|
| 446 |
+
botDiv.className = "msg bot";
|
| 447 |
+
const typingDiv = document.createElement("div");
|
| 448 |
+
typingDiv.className = "bubble typing";
|
| 449 |
+
|
| 450 |
+
const typingIndicator = document.createElement("div");
|
| 451 |
+
typingIndicator.id = "typing";
|
| 452 |
+
typingIndicator.innerHTML = `
|
| 453 |
+
<span class="dot"></span>
|
| 454 |
+
<span class="dot"></span>
|
| 455 |
+
<span class="dot"></span>
|
| 456 |
+
`;
|
| 457 |
+
typingDiv.appendChild(typingIndicator);
|
| 458 |
+
botDiv.appendChild(typingDiv);
|
| 459 |
+
chatMessages.appendChild(botDiv);
|
| 460 |
+
chatMessages.scrollTop = chatMessages.scrollHeight;
|
| 461 |
+
|
| 462 |
+
input.value = "";
|
| 463 |
+
toggleSendButton();
|
| 464 |
+
|
| 465 |
+
try {
|
| 466 |
+
const res = await fetch("/chat", {
|
| 467 |
+
method: "POST",
|
| 468 |
+
headers: {"Content-Type": "application/json"},
|
| 469 |
+
body: JSON.stringify({prompt: msg})
|
| 470 |
+
});
|
| 471 |
+
|
| 472 |
+
const data = await res.json();
|
| 473 |
+
const text = data.response;
|
| 474 |
+
|
| 475 |
+
// Replace the dots with actual typing text
|
| 476 |
+
typingDiv.removeChild(typingIndicator);
|
| 477 |
+
|
| 478 |
+
const textNode = document.createElement("div");
|
| 479 |
+
typingDiv.appendChild(textNode);
|
| 480 |
+
|
| 481 |
+
let i = 0;
|
| 482 |
+
|
| 483 |
+
function typeChar() {
|
| 484 |
+
if (i < text.length) {
|
| 485 |
+
textNode.textContent += text[i++];
|
| 486 |
+
chatMessages.scrollTop = chatMessages.scrollHeight;
|
| 487 |
+
setTimeout(typeChar, 20);
|
| 488 |
+
} else {
|
| 489 |
+
typingDiv.classList.remove("typing");
|
| 490 |
+
|
| 491 |
+
// Copy button
|
| 492 |
+
const copyBtn = document.createElement("button");
|
| 493 |
+
copyBtn.className = "copy-btn";
|
| 494 |
+
copyBtn.innerHTML = `
|
| 495 |
+
<svg xmlns="http://www.w3.org/2000/svg" height="18" width="18" viewBox="0 0 24 24" fill="white" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round">
|
| 496 |
+
<path d="M16 4h2a2 2 0 0 1 2 2v14a2 2 0 0 1-2 2H6a2 2 0 0 1-2-2V6a2 2 0 0 1 2-2h2" />
|
| 497 |
+
<rect x="8" y="2" width="8" height="4" rx="1" ry="1"/>
|
| 498 |
+
</svg>`;
|
| 499 |
+
copyBtn.onclick = function () {
|
| 500 |
+
navigator.clipboard.writeText(textNode.textContent).then(() => {
|
| 501 |
+
showToast("Copied!")
|
| 502 |
+
copyBtn.textContent = "✅";
|
| 503 |
+
setTimeout(() => (copyBtn.innerHTML = `
|
| 504 |
+
<svg xmlns="http://www.w3.org/2000/svg" height="18" width="18" viewBox="0 0 24 24" fill="white" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round">
|
| 505 |
+
<path d="M16 4h2a2 2 0 0 1 2 2v14a2 2 0 0 1-2 2H6a2 2 0 0 1-2-2V6a2 2 0 0 1 2-2h2" />
|
| 506 |
+
<rect x="8" y="2" width="8" height="4" rx="1" ry="1"/>
|
| 507 |
+
</svg>`), 1500);
|
| 508 |
+
});
|
| 509 |
+
};
|
| 510 |
+
typingDiv.appendChild(copyBtn);
|
| 511 |
+
}
|
| 512 |
+
}
|
| 513 |
+
|
| 514 |
+
setTimeout(typeChar, 200); // slight delay after removing dots
|
| 515 |
+
} catch (e) {
|
| 516 |
+
typingDiv.textContent = "Something went wrong. " + e.message;
|
| 517 |
+
typingDiv.classList.remove("typing");
|
| 518 |
+
}
|
| 519 |
+
}*/
|
| 520 |
+
|
| 521 |
+
async function submitMessage() {
|
| 522 |
+
const input = document.getElementById("userInput");
|
| 523 |
+
const msg = input.value.trim();
|
| 524 |
+
if (!msg) return;
|
| 525 |
+
|
| 526 |
+
const chatMessages = document.getElementById("chatMessages");
|
| 527 |
+
|
| 528 |
+
// Append user message
|
| 529 |
+
const userDiv = document.createElement("div");
|
| 530 |
+
userDiv.className = "msg user";
|
| 531 |
+
userDiv.innerHTML = `<div class="bubble">${msg}</div>`;
|
| 532 |
+
chatMessages.appendChild(userDiv);
|
| 533 |
+
|
| 534 |
+
// Bot typing placeholder
|
| 535 |
+
const botDiv = document.createElement("div");
|
| 536 |
+
botDiv.className = "msg bot";
|
| 537 |
+
const typingDiv = document.createElement("div");
|
| 538 |
+
typingDiv.className = "bubble typing";
|
| 539 |
+
|
| 540 |
+
const typingIndicator = document.createElement("div");
|
| 541 |
+
typingIndicator.id = "typing";
|
| 542 |
+
typingIndicator.innerHTML = `<span class="dot"></span><span class="dot"></span><span class="dot"></span>`;
|
| 543 |
+
typingDiv.appendChild(typingIndicator);
|
| 544 |
+
botDiv.appendChild(typingDiv);
|
| 545 |
+
chatMessages.appendChild(botDiv);
|
| 546 |
+
chatMessages.scrollTop = chatMessages.scrollHeight;
|
| 547 |
+
|
| 548 |
+
input.value = "";
|
| 549 |
+
toggleSendButton();
|
| 550 |
+
|
| 551 |
+
try {
|
| 552 |
+
const res = await fetch("/chat", {
|
| 553 |
+
method: "POST",
|
| 554 |
+
headers: {"Content-Type": "application/json"},
|
| 555 |
+
body: JSON.stringify({prompt: msg})
|
| 556 |
+
});
|
| 557 |
+
|
| 558 |
+
const data = await res.json();
|
| 559 |
+
const fullText = data.response;
|
| 560 |
+
|
| 561 |
+
// Split text into complete sentences using full stop
|
| 562 |
+
const sentences = fullText.split(/(?<=\.)\s+/);
|
| 563 |
+
let selectedSentences = [];
|
| 564 |
+
|
| 565 |
+
for (const sentence of sentences) {
|
| 566 |
+
selectedSentences.push(sentence.trim());
|
| 567 |
+
}
|
| 568 |
+
|
| 569 |
+
// === END TOKEN TRIM LOGIC ===
|
| 570 |
+
|
| 571 |
+
// Replace typing dots with final output
|
| 572 |
+
const converter = new showdown.Converter();
|
| 573 |
+
const markdownOutput = selectedSentences.join("\n");
|
| 574 |
+
typingDiv.innerHTML = converter.makeHtml(markdownOutput);
|
| 575 |
+
typingDiv.classList.remove("typing");
|
| 576 |
+
|
| 577 |
+
|
| 578 |
+
// Optional copy button
|
| 579 |
+
const copyBtn = document.createElement("button");
|
| 580 |
+
copyBtn.className = "copy-btn";
|
| 581 |
+
copyBtn.innerHTML = `
|
| 582 |
+
<svg xmlns="http://www.w3.org/2000/svg" height="18" width="18" viewBox="0 0 24 24" fill="white" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round">
|
| 583 |
+
<path d="M16 4h2a2 2 0 0 1 2 2v14a2 2 0 0 1-2 2H6a2 2 0 0 1-2-2V6a2 2 0 0 1 2-2h2" />
|
| 584 |
+
<rect x="8" y="2" width="8" height="4" rx="1" ry="1"/>
|
| 585 |
+
</svg>`;
|
| 586 |
+
copyBtn.onclick = function () {
|
| 587 |
+
navigator.clipboard.writeText(selectedSentences.join("\n")).then(() => {
|
| 588 |
+
showToast("Copied!");
|
| 589 |
+
copyBtn.textContent = "✅";
|
| 590 |
+
setTimeout(() => {
|
| 591 |
+
copyBtn.innerHTML = `
|
| 592 |
+
<svg xmlns="http://www.w3.org/2000/svg" height="18" width="18" viewBox="0 0 24 24" fill="white" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round">
|
| 593 |
+
<path d="M16 4h2a2 2 0 0 1 2 2v14a2 2 0 0 1-2 2H6a2 2 0 0 1-2-2V6a2 2 0 0 1 2-2h2" />
|
| 594 |
+
<rect x="8" y="2" width="8" height="4" rx="1" ry="1"/>
|
| 595 |
+
</svg>`;
|
| 596 |
+
}, 1500);
|
| 597 |
+
});
|
| 598 |
+
};
|
| 599 |
+
typingDiv.appendChild(copyBtn);
|
| 600 |
+
|
| 601 |
+
} catch (e) {
|
| 602 |
+
typingDiv.textContent = "Something went wrong. " + e.message;
|
| 603 |
+
typingDiv.classList.remove("typing");
|
| 604 |
+
}
|
| 605 |
+
}
|
| 606 |
+
|
| 607 |
+
</script>
|
| 608 |
+
</body>
|
| 609 |
+
</html>
|
main.py
ADDED
|
@@ -0,0 +1,83 @@
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 1 |
+
import os
|
| 2 |
+
from pathlib import Path
|
| 3 |
+
|
| 4 |
+
from fastapi import FastAPI
|
| 5 |
+
from pydantic import BaseModel
|
| 6 |
+
from starlette.middleware.cors import CORSMiddleware
|
| 7 |
+
from starlette.responses import HTMLResponse, FileResponse
|
| 8 |
+
from starlette.staticfiles import StaticFiles
|
| 9 |
+
from transformers import AutoTokenizer, AutoModelForCausalLM
|
| 10 |
+
import torch
|
| 11 |
+
from peft import PeftModel
|
| 12 |
+
|
| 13 |
+
# Load once at startup
|
| 14 |
+
base_model_name = "TinyLlama/TinyLlama-1.1B-Chat-v1.0"
|
| 15 |
+
adapter_repo = "sahil239/chatbot-v2"
|
| 16 |
+
|
| 17 |
+
tokenizer = AutoTokenizer.from_pretrained(base_model_name, trust_remote_code=True)
|
| 18 |
+
if tokenizer.pad_token is None:
|
| 19 |
+
tokenizer.pad_token = tokenizer.eos_token
|
| 20 |
+
|
| 21 |
+
base_model = AutoModelForCausalLM.from_pretrained(
|
| 22 |
+
base_model_name,
|
| 23 |
+
device_map="auto",
|
| 24 |
+
torch_dtype=torch.float16 if torch.cuda.is_available() else torch.float32,
|
| 25 |
+
trust_remote_code=True
|
| 26 |
+
)
|
| 27 |
+
model = PeftModel.from_pretrained(base_model, adapter_repo)
|
| 28 |
+
model.eval()
|
| 29 |
+
|
| 30 |
+
def generate_response(user_message: str) -> str:
|
| 31 |
+
# Proper chat formatting
|
| 32 |
+
chat = [{"role": "user", "content": user_message}]
|
| 33 |
+
inputs = tokenizer.apply_chat_template(
|
| 34 |
+
chat,
|
| 35 |
+
tokenize=True,
|
| 36 |
+
return_tensors="pt"
|
| 37 |
+
).to(model.device)
|
| 38 |
+
|
| 39 |
+
outputs = model.generate(
|
| 40 |
+
input_ids=inputs,
|
| 41 |
+
max_new_tokens=256,
|
| 42 |
+
temperature=0.1,
|
| 43 |
+
top_p=0.95,
|
| 44 |
+
do_sample=False,
|
| 45 |
+
eos_token_id=tokenizer.eos_token_id
|
| 46 |
+
)
|
| 47 |
+
|
| 48 |
+
decoded = tokenizer.decode(outputs[0], skip_special_tokens=True)
|
| 49 |
+
|
| 50 |
+
# Optional: strip past conversation if using chat template
|
| 51 |
+
# You might want to extract just the assistant's last response.
|
| 52 |
+
assistant_prefix = "<|assistant|>"
|
| 53 |
+
if assistant_prefix in decoded:
|
| 54 |
+
reply = decoded.split(assistant_prefix)[-1].strip()
|
| 55 |
+
else: reply = decoded.strip()
|
| 56 |
+
|
| 57 |
+
stop_strings = ["<|user|>", "<|end|>", "</s>"]
|
| 58 |
+
for stop in stop_strings:
|
| 59 |
+
if stop in reply:
|
| 60 |
+
reply = reply.split(stop)[0].strip()
|
| 61 |
+
|
| 62 |
+
return reply
|
| 63 |
+
|
| 64 |
+
app = FastAPI()
|
| 65 |
+
app.add_middleware(
|
| 66 |
+
CORSMiddleware,
|
| 67 |
+
allow_origins=["*"],
|
| 68 |
+
allow_methods=["*"],
|
| 69 |
+
allow_headers=["*"],
|
| 70 |
+
)
|
| 71 |
+
class ChatRequest(BaseModel):
|
| 72 |
+
prompt: str
|
| 73 |
+
|
| 74 |
+
@app.get("/", response_class=HTMLResponse)
|
| 75 |
+
async def homepage():
|
| 76 |
+
html_path = Path(__file__).parent / "index.html"
|
| 77 |
+
return HTMLResponse(content=html_path.read_text(), status_code=200)
|
| 78 |
+
|
| 79 |
+
|
| 80 |
+
@app.post("/chat")
|
| 81 |
+
def chat_endpoint(req: ChatRequest):
|
| 82 |
+
reply = generate_response(req.prompt)
|
| 83 |
+
return {"response": reply}
|
model.py
ADDED
|
@@ -0,0 +1,15 @@
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 1 |
+
from transformers import AutoTokenizer, AutoModelForCausalLM
|
| 2 |
+
from peft import PeftModel
|
| 3 |
+
import torch
|
| 4 |
+
|
| 5 |
+
BASE_MODEL = "TinyLlama/TinyLlama-1.1B-Chat-v1.0"
|
| 6 |
+
LORA_REPO = "sahil239/chatbot-v2"
|
| 7 |
+
|
| 8 |
+
tokenizer = AutoTokenizer.from_pretrained(BASE_MODEL)
|
| 9 |
+
model = AutoModelForCausalLM.from_pretrained(
|
| 10 |
+
BASE_MODEL,
|
| 11 |
+
torch_dtype=torch.float16 if torch.cuda.is_available() else torch.float32,
|
| 12 |
+
device_map="auto"
|
| 13 |
+
)
|
| 14 |
+
model = PeftModel.from_pretrained(model, LORA_REPO)
|
| 15 |
+
model.eval()
|
requirements.txt
ADDED
|
@@ -0,0 +1,9 @@
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 1 |
+
fastapi~=0.116.1
|
| 2 |
+
uvicorn
|
| 3 |
+
transformers~=4.55.2
|
| 4 |
+
peft~=0.17.0
|
| 5 |
+
torch~=2.8.0
|
| 6 |
+
myapplication~=0.1.0
|
| 7 |
+
pydantic~=2.11.7
|
| 8 |
+
starlette~=0.47.2
|
| 9 |
+
jinja2
|