chatbot.php
438 lines
| 1 | <?php |
| 2 | |
| 3 | class Meow_MWAI_Modules_Chatbot { |
| 4 | private $core = null; |
| 5 | private $namespace = 'ai-engine/v1'; |
| 6 | |
| 7 | public function __construct() { |
| 8 | global $mwai_core; |
| 9 | $this->core = $mwai_core; |
| 10 | add_shortcode( 'mwai_chat', array( $this, 'chat' ) ); |
| 11 | add_action( 'rest_api_init', array( $this, 'rest_api_init' ) ); |
| 12 | |
| 13 | // If we apply ChatGPT styles |
| 14 | if ( $this->core->get_option( 'shortcode_chat_style' ) ) { |
| 15 | add_filter( 'mwai_chat_html', array( $this, 'chatgpt_style' ), 10, 2 ); |
| 16 | add_filter( 'mwai_chat_html', array( $this, 'spinner_style' ), 10, 2 ); |
| 17 | } |
| 18 | } |
| 19 | |
| 20 | function rest_api_init() { |
| 21 | try { |
| 22 | register_rest_route( $this->namespace, '/chat', array( |
| 23 | 'methods' => 'POST', |
| 24 | 'callback' => array( $this, 'rest_chat' ), |
| 25 | 'permission_callback' => '__return_true' |
| 26 | ) ); |
| 27 | } |
| 28 | catch ( Exception $e ) { |
| 29 | var_dump( $e ); |
| 30 | } |
| 31 | } |
| 32 | |
| 33 | function spinner_style( $html, $atts ) { |
| 34 | // If needed, we can use the $id to apply styles |
| 35 | $id = $atts['id']; // This could be replace by the ID of a specific chatbot |
| 36 | return " |
| 37 | <style> |
| 38 | #mwai-chat-$id button { |
| 39 | position: relative; |
| 40 | } |
| 41 | |
| 42 | #mwai-chat-$id button[disabled] span { |
| 43 | display: none; |
| 44 | } |
| 45 | |
| 46 | #mwai-chat-$id button[disabled]::after { |
| 47 | content: ''; |
| 48 | position: absolute; |
| 49 | width: 18px; |
| 50 | height: 18px; |
| 51 | top: 0; |
| 52 | left: 0; |
| 53 | right: 0; |
| 54 | bottom: 0; |
| 55 | margin: auto; |
| 56 | border: 3px solid transparent; |
| 57 | border-top-color: #ffffff; |
| 58 | border-radius: 50%; |
| 59 | animation: mwai-button-spinner 1s ease infinite; |
| 60 | } |
| 61 | |
| 62 | @keyframes mwai-button-spinner { |
| 63 | from { |
| 64 | transform: rotate(0turn); |
| 65 | } |
| 66 | |
| 67 | to { |
| 68 | transform: rotate(1turn); |
| 69 | } |
| 70 | } |
| 71 | </style> |
| 72 | " . $html; |
| 73 | } |
| 74 | |
| 75 | function chatgpt_style( $html, $atts ) { |
| 76 | // If needed, we can use the $id to apply styles |
| 77 | $id = $atts['id']; // This could be replace by the ID of a specific chatbot |
| 78 | return " |
| 79 | <style> |
| 80 | #mwai-chat-$id { |
| 81 | background: #343541; |
| 82 | color: white; |
| 83 | font-size: 15px; |
| 84 | border-radius: 10px; |
| 85 | overflow: hidden; |
| 86 | } |
| 87 | |
| 88 | #mwai-chat-$id * { |
| 89 | box-sizing: border-box; |
| 90 | } |
| 91 | |
| 92 | #mwai-chat-$id a { |
| 93 | color: #2196f3; |
| 94 | } |
| 95 | |
| 96 | #mwai-chat-$id h2 { |
| 97 | font-size: 24px; |
| 98 | } |
| 99 | |
| 100 | #mwai-chat-$id h3 { |
| 101 | font-size: 18px; |
| 102 | } |
| 103 | |
| 104 | #mwai-chat-$id h4 { |
| 105 | font-size: 16px; |
| 106 | } |
| 107 | |
| 108 | #mwai-chat-$id pre { |
| 109 | background: black; |
| 110 | color: white; |
| 111 | border-radius: 10px; |
| 112 | padding: 10px 15px; |
| 113 | break-after: auto; |
| 114 | font-size: 14px; |
| 115 | } |
| 116 | |
| 117 | #mwai-chat-$id ol { |
| 118 | padding: 0; |
| 119 | margin: 0 0 0 20px; |
| 120 | } |
| 121 | |
| 122 | #mwai-chat-$id .mwai-reply { |
| 123 | display: flex; |
| 124 | padding: 20px; |
| 125 | } |
| 126 | |
| 127 | #mwai-chat-$id .mwai-ai { |
| 128 | background: #454654; |
| 129 | } |
| 130 | |
| 131 | #mwai-chat-$id .mwai-name { |
| 132 | color: #a0a0a0; |
| 133 | margin-right: 20px; |
| 134 | } |
| 135 | |
| 136 | #mwai-chat-$id .mwai-text { |
| 137 | flex: auto; |
| 138 | } |
| 139 | |
| 140 | #mwai-chat-$id .mwai-text > *:first-child { |
| 141 | margin-top: 0; |
| 142 | } |
| 143 | |
| 144 | #mwai-chat-$id .mwai-text > *:last-child { |
| 145 | margin-bottom: 0; |
| 146 | } |
| 147 | |
| 148 | #mwai-chat-$id .mwai-input { |
| 149 | display: flex; |
| 150 | padding: 15px; |
| 151 | border-top: 1px solid #454654; |
| 152 | } |
| 153 | |
| 154 | #mwai-chat-$id .mwai-input textarea { |
| 155 | background: #40414f; |
| 156 | color: white; |
| 157 | flex: auto; |
| 158 | padding: 10px 15px; |
| 159 | border: none; |
| 160 | border-radius: 5px; |
| 161 | font-size: 15px; |
| 162 | resize: none; |
| 163 | font-family: inherit; |
| 164 | line-height: 30px; |
| 165 | } |
| 166 | |
| 167 | #mwai-chat-$id .mwai-input textarea:focus { |
| 168 | outline: none; |
| 169 | } |
| 170 | |
| 171 | #mwai-chat-$id .mwai-input button { |
| 172 | background: none; |
| 173 | color: white; |
| 174 | border: 1px solid #40414f; |
| 175 | margin-left: 15px; |
| 176 | width: 80px; |
| 177 | border-radius: 5px; |
| 178 | cursor: pointer; |
| 179 | } |
| 180 | |
| 181 | #mwai-chat-$id .mwai-input button:hover { |
| 182 | background: #353640; |
| 183 | } |
| 184 | |
| 185 | @media (max-width: 600px) { |
| 186 | #mwai-chat-$id .mwai-reply { |
| 187 | flex-direction: column; |
| 188 | } |
| 189 | |
| 190 | #mwai-chat-$id .mwai-input { |
| 191 | flex-direction: column; |
| 192 | } |
| 193 | |
| 194 | #mwai-chat-$id .mwai-input button { |
| 195 | margin: 15px 0 0 0; |
| 196 | height: 40px; |
| 197 | width: inherit; |
| 198 | } |
| 199 | |
| 200 | #mwai-chat-$id .mwai-name { |
| 201 | margin-right: 0; |
| 202 | } |
| 203 | } |
| 204 | </style> |
| 205 | " . $html; |
| 206 | } |
| 207 | |
| 208 | function rest_chat( $request ) { |
| 209 | try { |
| 210 | $params = $request->get_json_params(); |
| 211 | $prompt = $params['prompt']; |
| 212 | $model = $params['model']; |
| 213 | $userName = $params['userName']; |
| 214 | $aiName = $params['aiName']; |
| 215 | $temperature = $params['temperature']; |
| 216 | $maxTokens = intval( $params['maxTokens'] ); |
| 217 | $apiKey = $params['apiKey']; |
| 218 | $query = new Meow_MWAI_QueryText( $prompt, 1024 ); |
| 219 | if ( $model ) { |
| 220 | $query->setModel( $model ); |
| 221 | } |
| 222 | if ( $temperature ) { |
| 223 | $query->setTemperature( $temperature ); |
| 224 | } |
| 225 | if ( $maxTokens ) { |
| 226 | $query->setMaxTokens( $maxTokens ); |
| 227 | } |
| 228 | if ( $apiKey ) { |
| 229 | $query->setApiKey( $apiKey ); |
| 230 | } |
| 231 | $answer = $this->core->ai->run( $query ); |
| 232 | $rawText = $answer->result; |
| 233 | |
| 234 | $html = $this->core->markdown_to_html( $answer->result ); |
| 235 | return new WP_REST_Response([ 'success' => true, 'answer' => $rawText, 'html' => $html, 'usage' => $answer->usage ], 200 ); |
| 236 | } |
| 237 | catch ( Exception $e ) { |
| 238 | return new WP_REST_Response([ 'success' => false, 'message' => $e->getMessage() ], 500 ); |
| 239 | } |
| 240 | } |
| 241 | |
| 242 | function chat( $atts ) { |
| 243 | $defaults = apply_filters( 'mwai_chat_atts', [ |
| 244 | // UI Parameters |
| 245 | 'id' => uniqid(), |
| 246 | 'context' => "Converse as if you were an AI assistant. Be friendly, creative.", |
| 247 | 'ai_name' => "AI: ", |
| 248 | 'user_name' => "User: ", |
| 249 | 'sys_name' => "System: ", |
| 250 | 'start_sentence' => "Hi! How can I help you?", |
| 251 | 'text_send' => 'Send', |
| 252 | 'text_input_placeholder' => 'Type your message...', |
| 253 | // Chatbot System Parameters |
| 254 | 'fineTuned' => 'false', |
| 255 | // AI Parameters |
| 256 | 'model' => 'text-davinci-003', |
| 257 | 'temperature' => 0.8, |
| 258 | 'max_tokens' => 1024, |
| 259 | 'api_key' => '' |
| 260 | ] ); |
| 261 | $atts = shortcode_atts( $defaults, $atts, 'mwai_chat_atts' ); |
| 262 | $id = $atts['id']; |
| 263 | $apiUrl = get_rest_url( null, 'ai-engine/v1/chat' ); |
| 264 | |
| 265 | // Functions |
| 266 | $onSentClickFn = "mwai_{$id}_onSendClick"; |
| 267 | $addReplyFn = "mwai_{$id}_addReply"; |
| 268 | $initChatBotFn = "mwai_{$id}_initChatBot"; |
| 269 | $convertToHtmlFn = "mwai_{$id}_convertToHtml"; |
| 270 | |
| 271 | // UI Parameters |
| 272 | $aiName = addslashes( trim($atts['ai_name']) ); |
| 273 | $userName = addslashes( trim($atts['user_name']) ); |
| 274 | $sysName = addslashes( trim($atts['sys_name']) ); |
| 275 | $context = addslashes( trim( $atts['context'] ) ); |
| 276 | $textSend = addslashes( trim( $atts['text_send'] ) ); |
| 277 | $textInputPlaceholder = addslashes( trim( $atts['text_input_placeholder'] ) ); |
| 278 | |
| 279 | // Chatbot System Parameters |
| 280 | $fineTuned = $atts['fineTuned']; |
| 281 | |
| 282 | // OpenAI Parameters |
| 283 | $model = $atts['model']; |
| 284 | $temperature = $atts['temperature']; |
| 285 | $maxTokens = $atts['max_tokens']; |
| 286 | $apiKey = $atts['api_key']; |
| 287 | |
| 288 | $onGoingPrompt = "mwai_{$id}_onGoingPrompt"; |
| 289 | ob_start(); |
| 290 | ?> |
| 291 | |
| 292 | <div id="mwai-chat-<?= $id ?>" class="mwai-chat"> |
| 293 | <div class="mwai-conversation"> |
| 294 | </div> |
| 295 | <div class="mwai-input"> |
| 296 | <textarea rows="1" placeholder="<?= $textInputPlaceholder ?>"></textarea> |
| 297 | <button><span><?= $textSend ?></span></button> |
| 298 | </div> |
| 299 | </div> |
| 300 | |
| 301 | <script> |
| 302 | var <?= $onGoingPrompt ?> = '<?= $context ?>' + '\n\n'; |
| 303 | |
| 304 | function <?= $convertToHtmlFn ?>(text) { |
| 305 | return text; |
| 306 | } |
| 307 | |
| 308 | // Function to add a reply in the conversation |
| 309 | function <?= $addReplyFn ?>(text, type = 'user') { |
| 310 | var conversation = document.querySelector('#mwai-chat-<?= $id ?> .mwai-conversation'); |
| 311 | text = <?= $convertToHtmlFn ?>(text); |
| 312 | var mwaiClasses = 'mwai-reply'; |
| 313 | if (type === 'ai') { |
| 314 | mwaiClasses += ' mwai-ai'; |
| 315 | } |
| 316 | else if (type === 'system') { |
| 317 | mwaiClasses += ' mwai-system'; |
| 318 | } |
| 319 | else { |
| 320 | mwaiClasses += ' mwai-user'; |
| 321 | } |
| 322 | var html = '<div class="' + mwaiClasses + '">'; |
| 323 | if (type === 'ai') { |
| 324 | html += '<span class="mwai-name"><?= $aiName ?></span>'; |
| 325 | } |
| 326 | else if (type === 'system') { |
| 327 | html += '<span class="mwai-name"><?= $sysName ?></span>'; |
| 328 | } |
| 329 | else { |
| 330 | html += '<span class="mwai-name"><?= $userName ?></span>'; |
| 331 | } |
| 332 | html += '<span class="mwai-text">' + text + '</span>'; |
| 333 | html += '</div>'; |
| 334 | |
| 335 | conversation.innerHTML += html; |
| 336 | } |
| 337 | |
| 338 | // Function to request the completion |
| 339 | function <?= $onSentClickFn ?>() { |
| 340 | let input = document.querySelector('#mwai-chat-<?= $id ?> .mwai-input textarea'); |
| 341 | let inputText = input.value.trim(); |
| 342 | |
| 343 | if (inputText === '') { |
| 344 | return; |
| 345 | } |
| 346 | |
| 347 | // Disable the button |
| 348 | var button = document.querySelector('#mwai-chat-<?= $id ?> .mwai-input button'); |
| 349 | button.disabled = true; |
| 350 | |
| 351 | // Add the user reply |
| 352 | <?= $addReplyFn ?>(inputText, 'user'); |
| 353 | <?= $onGoingPrompt ?> += '<?= $userName ?>' + inputText + '\n'; |
| 354 | input.value = ''; |
| 355 | input.setAttribute('rows', 1); |
| 356 | input.disabled = true; |
| 357 | |
| 358 | // Request the completion |
| 359 | <?= $onGoingPrompt ?> += '<?= $aiName ?>'; |
| 360 | const data = { |
| 361 | prompt: <?= $onGoingPrompt ?>, |
| 362 | userName: '<?= $userName ?>', |
| 363 | aiName: '<?= $aiName ?>', |
| 364 | model: '<?= $model ?>', |
| 365 | temperature: '<?= $temperature ?>', |
| 366 | maxTokens: '<?= $maxTokens ?>', |
| 367 | apiKey: '<?= $apiKey ?>', |
| 368 | }; |
| 369 | console.log('[BOT] Sent: ', data); |
| 370 | fetch('<?= $apiUrl ?>', { method: 'POST', headers: { 'Content-Type': 'application/json' }, |
| 371 | body: JSON.stringify(data) |
| 372 | }) |
| 373 | .then(response => response.json()) |
| 374 | .then(data => { |
| 375 | console.log('[BOT] Recv: ', data); |
| 376 | if (!data.success) { |
| 377 | <?= $addReplyFn ?>(data.message, 'system'); |
| 378 | } |
| 379 | else { |
| 380 | <?= $addReplyFn ?>(data.html, 'ai'); |
| 381 | <?= $onGoingPrompt ?> += data.answer + '\n'; |
| 382 | } |
| 383 | button.disabled = false; |
| 384 | input.disabled = false; |
| 385 | input.focus(); |
| 386 | }) |
| 387 | .catch(error => { |
| 388 | console.error(error); |
| 389 | button.disabled = false; |
| 390 | input.disabled = false; |
| 391 | }); |
| 392 | } |
| 393 | |
| 394 | function mwaiSetTextAreaHeight(textarea, lines) { |
| 395 | var rows = textarea.getAttribute('rows'); |
| 396 | if (lines !== rows) { |
| 397 | textarea.setAttribute('rows', lines > 5 ? 5 : lines); |
| 398 | } |
| 399 | } |
| 400 | |
| 401 | function <?= $initChatBotFn ?>() { |
| 402 | var input = document.querySelector('#mwai-chat-<?= $id ?> .mwai-input textarea'); |
| 403 | input.addEventListener('keypress', (event) => { |
| 404 | if (event.keyCode === 13 && !event.shiftKey) { |
| 405 | <?= $onSentClickFn ?>(); |
| 406 | } |
| 407 | }); |
| 408 | input.addEventListener('keydown', (event) => { |
| 409 | var rows = input.getAttribute('rows'); |
| 410 | if (event.keyCode === 13 && event.shiftKey) { |
| 411 | var lines = input.value.split('\n').length + 1; |
| 412 | mwaiSetTextAreaHeight(input, lines); |
| 413 | } |
| 414 | }); |
| 415 | input.addEventListener('keyup', (event) => { |
| 416 | var rows = input.getAttribute('rows'); |
| 417 | var lines = input.value.split('\n').length ; |
| 418 | mwaiSetTextAreaHeight(input, lines); |
| 419 | }); |
| 420 | var button = document.querySelector('#mwai-chat-<?= $id ?> .mwai-input button'); |
| 421 | button.addEventListener('click', (event) => { |
| 422 | <?= $onSentClickFn ?>(); |
| 423 | }); |
| 424 | |
| 425 | <?= $addReplyFn ?>('<?= $atts['start_sentence'] ?>', 'ai'); |
| 426 | } |
| 427 | |
| 428 | <?= $initChatBotFn ?>(); |
| 429 | |
| 430 | </script> |
| 431 | |
| 432 | <?php |
| 433 | $output = ob_get_contents(); |
| 434 | ob_end_clean(); |
| 435 | $output = apply_filters( 'mwai_chat_html', $output, $atts ); |
| 436 | return $output; |
| 437 | } |
| 438 | } |