chatbot.php
455 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 | if ( is_admin() ) { return; } |
| 11 | add_shortcode( 'mwai_chat', array( $this, 'chat' ) ); |
| 12 | add_shortcode( 'mwai_chatbot', array( $this, 'chat' ) ); |
| 13 | add_shortcode( 'mwai_imagesbot', array( $this, 'imageschat' ) ); |
| 14 | add_action( 'rest_api_init', array( $this, 'rest_api_init' ) ); |
| 15 | if ( $this->core->get_option( 'shortcode_chat_inject' ) ) { |
| 16 | add_action( 'wp_body_open', array( $this, 'inject_chat' ) ); |
| 17 | } |
| 18 | |
| 19 | // Only for test now, but later we should probably import the JS/CSS |
| 20 | if ( $this->core->get_option( 'shortcode_chat_syntax_highlighting' ) ) { |
| 21 | wp_enqueue_script( 'mwai_chatbot', |
| 22 | '//cdnjs.cloudflare.com/ajax/libs/highlight.js/11.7.0/highlight.min.js', [], null, false ); |
| 23 | wp_enqueue_style( 'mwai_chatbot', |
| 24 | '//cdnjs.cloudflare.com/ajax/libs/highlight.js/11.7.0/styles/stackoverflow-dark.min.css' ); |
| 25 | } |
| 26 | |
| 27 | if ( $this->core->get_option( 'shortcode_chat_styles' ) ) { |
| 28 | add_filter( 'mwai_chatbot_style', [ $this, 'apply_chat_styles' ], 10, 2 ); |
| 29 | } |
| 30 | |
| 31 | } |
| 32 | |
| 33 | function rest_api_init() { |
| 34 | try { |
| 35 | register_rest_route( $this->namespace, '/chat', array( |
| 36 | 'methods' => 'POST', |
| 37 | 'callback' => array( $this, 'rest_chat' ), |
| 38 | 'permission_callback' => '__return_true' |
| 39 | ) ); |
| 40 | register_rest_route( $this->namespace, '/imagesbot', array( |
| 41 | 'methods' => 'POST', |
| 42 | 'callback' => array( $this, 'rest_imagesbot' ), |
| 43 | 'permission_callback' => '__return_true' |
| 44 | ) ); |
| 45 | } |
| 46 | catch ( Exception $e ) { |
| 47 | var_dump( $e ); |
| 48 | } |
| 49 | } |
| 50 | |
| 51 | function chatgpt_style( $id ) { |
| 52 | $css = file_get_contents( MWAI_PATH . '/classes/modules/chatbot-chatgpt.css' ); |
| 53 | $css = str_replace( '#mwai-chat-id', "#mwai-chat-{$id}", $css ); |
| 54 | return "<style>" . $css . "</style>"; |
| 55 | } |
| 56 | |
| 57 | function rest_chat( $request ) { |
| 58 | try { |
| 59 | $params = $request->get_json_params(); |
| 60 | $session = $params['session']; |
| 61 | $env = $params['env']; |
| 62 | $prompt = $params['prompt']; |
| 63 | $model = $params['model']; |
| 64 | $temperature = $params['temperature']; |
| 65 | $maxTokens = intval( $params['maxTokens'] ); |
| 66 | $apiKey = $params['apiKey']; |
| 67 | $stop = $params['stop']; |
| 68 | $query = new Meow_MWAI_QueryText( $prompt, 1024 ); |
| 69 | if ( $model ) { |
| 70 | $query->setModel( $model ); |
| 71 | } |
| 72 | if ( $temperature ) { |
| 73 | $query->setTemperature( $temperature ); |
| 74 | } |
| 75 | if ( $maxTokens ) { |
| 76 | $query->setMaxTokens( $maxTokens ); |
| 77 | } |
| 78 | if ( $stop ) { |
| 79 | $query->setStop( $stop ); |
| 80 | } |
| 81 | if ( $apiKey ) { |
| 82 | $query->setApiKey( $apiKey ); |
| 83 | } |
| 84 | if ( $env ) { |
| 85 | $query->setEnv( $env ); |
| 86 | } |
| 87 | if ( $session ) { |
| 88 | $query->setSession( $session ); |
| 89 | } |
| 90 | $answer = $this->core->ai->run( $query ); |
| 91 | $rawText = $answer->result; |
| 92 | $html = apply_filters( 'mwai_chatbot_answer', $rawText ); |
| 93 | $html = $this->core->markdown_to_html( $rawText ); |
| 94 | return new WP_REST_Response([ 'success' => true, 'answer' => $rawText, |
| 95 | 'html' => $html, 'usage' => $answer->usage ], 200 ); |
| 96 | } |
| 97 | catch ( Exception $e ) { |
| 98 | return new WP_REST_Response([ 'success' => false, 'message' => $e->getMessage() ], 500 ); |
| 99 | } |
| 100 | } |
| 101 | |
| 102 | function rest_imagesbot( $request ) { |
| 103 | try { |
| 104 | $params = $request->get_json_params(); |
| 105 | $session = $params['session']; |
| 106 | $env = $params['env']; |
| 107 | $prompt = $params['prompt']; |
| 108 | $maxResults = $params['maxResults']; |
| 109 | $apiKey = $params['apiKey']; |
| 110 | $query = new Meow_MWAI_QueryImage( $prompt ); |
| 111 | if ( $maxResults ) { |
| 112 | $query->setMaxResults( $maxResults ); |
| 113 | } |
| 114 | if ( $apiKey ) { |
| 115 | $query->setApiKey( $apiKey ); |
| 116 | } |
| 117 | if ( $env ) { |
| 118 | $query->setEnv( $env ); |
| 119 | } |
| 120 | if ( $session ) { |
| 121 | $query->setSession( $session ); |
| 122 | } |
| 123 | $answer = $this->core->ai->run( $query ); |
| 124 | return new WP_REST_Response([ 'success' => true, 'images' => $answer->results, 'usage' => $answer->usage ], 200 ); |
| 125 | } |
| 126 | catch ( Exception $e ) { |
| 127 | return new WP_REST_Response([ 'success' => false, 'message' => $e->getMessage() ], 500 ); |
| 128 | } |
| 129 | } |
| 130 | |
| 131 | function apply_chat_styles( $css, $chatbotId ) { |
| 132 | $chatStyles = $this->core->get_option( 'shortcode_chat_styles' ); |
| 133 | return preg_replace_callback( '/--mwai-(\w+):\s*([^;]+);/', function ( $matches ) use ($chatStyles ) { |
| 134 | if( isset( $chatStyles[$matches[1]] ) ) { |
| 135 | return "--mwai-" . $matches[1] . ": " . $chatStyles[$matches[1]] . ";"; |
| 136 | } |
| 137 | return $matches[0]; |
| 138 | }, $css ); |
| 139 | } |
| 140 | |
| 141 | function inject_chat() { |
| 142 | $params = $this->core->get_option( 'shortcode_chat_params' ); |
| 143 | echo $this->chat( $params ); |
| 144 | } |
| 145 | |
| 146 | function imageschat( $atts ) { |
| 147 | $atts['mode'] = 'images'; |
| 148 | return $this->chat( $atts ); |
| 149 | } |
| 150 | |
| 151 | function chat( $atts ) { |
| 152 | // Use the core default parameters, or the user default parameters |
| 153 | $override = $this->core->get_option( 'shortcode_chat_params_override' ); |
| 154 | $defaults_params = $override ? $this->core->get_option( 'shortcode_chat_params' ) : |
| 155 | $this->core->get_option( 'shortcode_chat_default_params' ); |
| 156 | $defaults_params['id'] = uniqid(); |
| 157 | |
| 158 | // Give a chance to modify the default parameters one last time |
| 159 | $defaults = apply_filters( 'mwai_chatbot_params_defaults', $defaults_params ); |
| 160 | |
| 161 | // Make sure all the mandatory params are set |
| 162 | foreach ( $this->core->defaultChatbotParams as $key => $value ) { |
| 163 | if ( !isset( $defaults[$key] ) ) { |
| 164 | $defaults[$key] = $value; |
| 165 | } |
| 166 | } |
| 167 | |
| 168 | // Override with the shortcode, and before/after filters |
| 169 | $atts = apply_filters( 'mwai_chatbot_params_before', $atts ); |
| 170 | $atts = shortcode_atts( $defaults, $atts ); |
| 171 | $atts = apply_filters( 'mwai_chatbot_params', $atts ); |
| 172 | |
| 173 | // UI Parameters |
| 174 | $aiName = addslashes( trim($atts['ai_name']) ); |
| 175 | $userName = addslashes( trim($atts['user_name']) ); |
| 176 | $sysName = addslashes( trim($atts['sys_name']) ); |
| 177 | $context = addslashes( $atts['context'] ); |
| 178 | $context = preg_replace( '/\v+/', "\\n", $context ); |
| 179 | $textSend = addslashes( trim( $atts['text_send'] ) ); |
| 180 | $textInputPlaceholder = addslashes( trim( $atts['text_input_placeholder'] ) ); |
| 181 | $startSentence = addslashes( trim( $atts['start_sentence'] ) ); |
| 182 | $window = filter_var( $atts['window'], FILTER_VALIDATE_BOOLEAN ); |
| 183 | $fullscreen = filter_var( $atts['fullscreen'], FILTER_VALIDATE_BOOLEAN ); |
| 184 | $style = $atts['style']; |
| 185 | |
| 186 | // Chatbot System Parameters |
| 187 | $id = $atts['id']; |
| 188 | $env = $atts['env']; |
| 189 | $mode = $atts['mode']; |
| 190 | $maxResults = $atts['max_results']; |
| 191 | $sessionId = $this->core->get_session_id(); |
| 192 | $rest_nonce = wp_create_nonce( 'wp_rest' ); |
| 193 | $casuallyFineTuned = boolval( $atts['casually_fined_tuned'] ); |
| 194 | $promptEnding = addslashes( trim( $atts['prompt_ending'] ) ); |
| 195 | $completionEnding = addslashes( trim( $atts['completion_ending'] ) ); |
| 196 | if ( $casuallyFineTuned ) { |
| 197 | $promptEnding = "\\n\\n===\\n\\n"; |
| 198 | $completionEnding = "\\n\\n"; |
| 199 | } |
| 200 | |
| 201 | // OpenAI Parameters |
| 202 | $model = $atts['model']; |
| 203 | $temperature = $atts['temperature']; |
| 204 | $maxTokens = $atts['max_tokens']; |
| 205 | $apiKey = $atts['api_key']; |
| 206 | |
| 207 | // Named functions |
| 208 | $onSentClickFn = "mwai_{$id}_onSendClick"; |
| 209 | $addReplyFn = "mwai_{$id}_addReply"; |
| 210 | $initChatBotFn = "mwai_{$id}_initChatBot"; |
| 211 | |
| 212 | // Variables |
| 213 | $apiUrl = get_rest_url( null, $mode === 'images' ? 'ai-engine/v1/imagesbot' : 'ai-engine/v1/chat' ); |
| 214 | $onGoingPrompt = "mwai_{$id}_onGoingPrompt"; |
| 215 | $baseClasses = "mwai-chat"; |
| 216 | $baseClasses .= ( $window ? " mwai-window" : "" ); |
| 217 | $baseClasses .= ( !$window && $fullscreen ? " mwai-fullscreen" : "" ); |
| 218 | |
| 219 | // Output CSS |
| 220 | ob_start(); |
| 221 | $style_content = ""; |
| 222 | if ( $style === 'chatgpt' ) { |
| 223 | $style_content = $this->chatgpt_style( $id, $style ); |
| 224 | } |
| 225 | echo apply_filters( 'mwai_chatbot_style', $style_content, $id ); |
| 226 | |
| 227 | // Output HTML & CSS |
| 228 | ?> |
| 229 | <div id="mwai-chat-<?= $id ?>" class="<?= $baseClasses ?>"> |
| 230 | <?php if ( $window ) { ?> |
| 231 | <div class="mwai-open-button"> |
| 232 | <img width="64" height="64" src="<?= plugins_url( '../../images/chat-green.svg', __FILE__ ) ?>" /> |
| 233 | </div> |
| 234 | <div class="mwai-header"> |
| 235 | <?php if ( $window ) { ?> |
| 236 | <div class="mwai-resize-button"></div> |
| 237 | <?php } ?> |
| 238 | <div class="mwai-close-button"></div> |
| 239 | </div> |
| 240 | <?php } ?> |
| 241 | <div class="mwai-content"> |
| 242 | <div class="mwai-conversation"> |
| 243 | </div> |
| 244 | <div class="mwai-input"> |
| 245 | <textarea rows="1" placeholder="<?= $textInputPlaceholder ?>"></textarea> |
| 246 | <button><span><?= $textSend ?></span></button> |
| 247 | </div> |
| 248 | </div> |
| 249 | </div> |
| 250 | |
| 251 | <script> |
| 252 | { |
| 253 | let <?= $onGoingPrompt ?> = '<?= $context ?>' + '\n\n'; |
| 254 | let isMobile = window.matchMedia("only screen and (max-width: 760px)").matches; |
| 255 | let isWindow = <?= $window ? 'true' : 'false' ?>; |
| 256 | let mode = '<?= $mode ?>'; |
| 257 | |
| 258 | // Push the reply in the conversation |
| 259 | function <?= $addReplyFn ?>(text, type = 'user') { |
| 260 | var conversation = document.querySelector('#mwai-chat-<?= $id ?> .mwai-conversation'); |
| 261 | |
| 262 | // If text is array, then it's image URLs. Let's create a simple gallery in HTML in $text. |
| 263 | if (Array.isArray(text)) { |
| 264 | var newText = '<div class="mwai-gallery">'; |
| 265 | for (var i = 0; i < text.length; i++) { |
| 266 | newText += '<a href="' + text[i] + '" target="_blank"><img src="' + text[i] + '" />'; |
| 267 | } |
| 268 | text = newText + '</div>'; |
| 269 | } |
| 270 | |
| 271 | var mwaiClasses = 'mwai-reply'; |
| 272 | if (type === 'ai') { |
| 273 | mwaiClasses += ' mwai-ai'; |
| 274 | } |
| 275 | else if (type === 'system') { |
| 276 | mwaiClasses += ' mwai-system'; |
| 277 | } |
| 278 | else { |
| 279 | mwaiClasses += ' mwai-user'; |
| 280 | } |
| 281 | var html = '<div class="' + mwaiClasses + '">'; |
| 282 | if (type === 'ai') { |
| 283 | html += '<span class="mwai-name"><?= $aiName ?></span>'; |
| 284 | } |
| 285 | else if (type === 'system') { |
| 286 | html += '<span class="mwai-name"><?= $sysName ?></span>'; |
| 287 | } |
| 288 | else { |
| 289 | html += '<span class="mwai-name"><?= $userName ?></span>'; |
| 290 | } |
| 291 | html += '<span class="mwai-text">' + text + '</span>'; |
| 292 | html += '</div>'; |
| 293 | conversation.innerHTML += html; |
| 294 | conversation.scrollTop = conversation.scrollHeight; |
| 295 | |
| 296 | // Syntax coloring |
| 297 | if (typeof hljs !== 'undefined') { |
| 298 | document.querySelectorAll('pre code').forEach((el) => { |
| 299 | hljs.highlightElement(el); |
| 300 | }); |
| 301 | } |
| 302 | } |
| 303 | |
| 304 | // Function to request the completion |
| 305 | function <?= $onSentClickFn ?>() { |
| 306 | let input = document.querySelector('#mwai-chat-<?= $id ?> .mwai-input textarea'); |
| 307 | let inputText = input.value.trim(); |
| 308 | |
| 309 | if (inputText === '') { |
| 310 | return; |
| 311 | } |
| 312 | |
| 313 | // Disable the button |
| 314 | var button = document.querySelector('#mwai-chat-<?= $id ?> .mwai-input button'); |
| 315 | button.disabled = true; |
| 316 | |
| 317 | // Add the user reply |
| 318 | <?= $addReplyFn ?>(inputText, 'user'); |
| 319 | <?= $onGoingPrompt ?> += '<?= $userName ?>' + inputText + '\n'; |
| 320 | input.value = ''; |
| 321 | input.setAttribute('rows', 1); |
| 322 | input.disabled = true; |
| 323 | |
| 324 | // Let's build the prompt depending on the "system" |
| 325 | <?= $onGoingPrompt ?> += '<?= $aiName ?>'; |
| 326 | let prompt = <?= $onGoingPrompt ?>; |
| 327 | if (<?= $casuallyFineTuned ? 1 : 0 ?>) { |
| 328 | prompt = inputText + '<?= $promptEnding ?>'; |
| 329 | } |
| 330 | |
| 331 | // Prompt for the images |
| 332 | const data = mode === 'images' ? { |
| 333 | env: '<?= $env ?>', |
| 334 | session: '<?= $sessionId ?>', |
| 335 | prompt: inputText, |
| 336 | maxResults: <?= $maxResults ?>, |
| 337 | model: '<?= $atts['model'] ?>', |
| 338 | apiKey: '<?= $atts['api_key'] ?>', |
| 339 | // Prompt for the chat |
| 340 | } : { |
| 341 | env: '<?= $env ?>', |
| 342 | session: '<?= $sessionId ?>', |
| 343 | prompt: prompt, |
| 344 | userName: '<?= $userName ?>', |
| 345 | aiName: '<?= $aiName ?>', |
| 346 | model: '<?= $model ?>', |
| 347 | temperature: '<?= $temperature ?>', |
| 348 | maxTokens: '<?= $maxTokens ?>', |
| 349 | stop: '<?= $completionEnding ?>', |
| 350 | maxResults: '<?= $maxResults ?>', |
| 351 | apiKey: '<?= $apiKey ?>', |
| 352 | }; |
| 353 | console.log('[BOT] Sent: ', data); |
| 354 | fetch('<?= $apiUrl ?>', { method: 'POST', headers: { |
| 355 | 'Content-Type': 'application/json', |
| 356 | 'X-WP-Nonce': '<?= $rest_nonce ?>' |
| 357 | }, |
| 358 | body: JSON.stringify(data) |
| 359 | }) |
| 360 | .then(response => response.json()) |
| 361 | .then(data => { |
| 362 | console.log('[BOT] Recv: ', data); |
| 363 | if (!data.success) { |
| 364 | <?= $addReplyFn ?>(data.message, 'system'); |
| 365 | } |
| 366 | else { |
| 367 | <?= $addReplyFn ?>(data.images ? data.images : data.html, 'ai'); |
| 368 | <?= $onGoingPrompt ?> += data.answer + '\n'; |
| 369 | } |
| 370 | button.disabled = false; |
| 371 | input.disabled = false; |
| 372 | |
| 373 | // Only focus only on desktop (to avoid the mobile keyboard to kick-in) |
| 374 | if (!isMobile) { |
| 375 | input.focus(); |
| 376 | } |
| 377 | }) |
| 378 | .catch(error => { |
| 379 | console.error(error); |
| 380 | button.disabled = false; |
| 381 | input.disabled = false; |
| 382 | }); |
| 383 | } |
| 384 | |
| 385 | // Keep the textarea height in sync with the content |
| 386 | function mwaiSetTextAreaHeight(textarea, lines) { |
| 387 | var rows = textarea.getAttribute('rows'); |
| 388 | if (lines !== rows) { |
| 389 | textarea.setAttribute('rows', lines > 5 ? 5 : lines); |
| 390 | } |
| 391 | } |
| 392 | |
| 393 | // Init the chatbot |
| 394 | function <?= $initChatBotFn ?>() { |
| 395 | var input = document.querySelector('#mwai-chat-<?= $id ?> .mwai-input textarea'); |
| 396 | input.addEventListener('keypress', (event) => { |
| 397 | if (event.keyCode === 13 && !event.shiftKey) { |
| 398 | <?= $onSentClickFn ?>(); |
| 399 | } |
| 400 | }); |
| 401 | input.addEventListener('keydown', (event) => { |
| 402 | var rows = input.getAttribute('rows'); |
| 403 | if (event.keyCode === 13 && event.shiftKey) { |
| 404 | var lines = input.value.split('\n').length + 1; |
| 405 | mwaiSetTextAreaHeight(input, lines); |
| 406 | } |
| 407 | }); |
| 408 | input.addEventListener('keyup', (event) => { |
| 409 | var rows = input.getAttribute('rows'); |
| 410 | var lines = input.value.split('\n').length ; |
| 411 | mwaiSetTextAreaHeight(input, lines); |
| 412 | }); |
| 413 | var button = document.querySelector('#mwai-chat-<?= $id ?> .mwai-input button'); |
| 414 | button.addEventListener('click', (event) => { |
| 415 | <?= $onSentClickFn ?>(); |
| 416 | }); |
| 417 | |
| 418 | // If window, add event listener to mwai-open-button and mwai-close-button |
| 419 | if ( isWindow ) { |
| 420 | var openButton = document.querySelector('#mwai-chat-<?= $id ?> .mwai-open-button'); |
| 421 | openButton.addEventListener('click', (event) => { |
| 422 | var chat = document.querySelector('#mwai-chat-<?= $id ?>'); |
| 423 | chat.classList.add('mwai-open'); |
| 424 | // Only focus only on desktop (to avoid the mobile keyboard to kick-in) |
| 425 | if (!isMobile) { |
| 426 | input.focus(); |
| 427 | } |
| 428 | }); |
| 429 | var closeButton = document.querySelector('#mwai-chat-<?= $id ?> .mwai-close-button'); |
| 430 | closeButton.addEventListener('click', (event) => { |
| 431 | var chat = document.querySelector('#mwai-chat-<?= $id ?>'); |
| 432 | chat.classList.remove('mwai-open'); |
| 433 | }); |
| 434 | var resizeButton = document.querySelector('#mwai-chat-<?= $id ?> .mwai-resize-button'); |
| 435 | resizeButton.addEventListener('click', (event) => { |
| 436 | var chat = document.querySelector('#mwai-chat-<?= $id ?>'); |
| 437 | chat.classList.toggle('mwai-fullscreen'); |
| 438 | }); |
| 439 | } |
| 440 | |
| 441 | <?= $addReplyFn ?>('<?= $startSentence ?>', 'ai'); |
| 442 | } |
| 443 | |
| 444 | // Let's go totally meoooow on this! |
| 445 | <?= $initChatBotFn ?>(); |
| 446 | } |
| 447 | </script> |
| 448 | |
| 449 | <?php |
| 450 | $output = ob_get_contents(); |
| 451 | ob_end_clean(); |
| 452 | $output = apply_filters( 'mwai_chatbot', $output, $atts ); |
| 453 | return $output; |
| 454 | } |
| 455 | } |