| @@ -1,695 +1,773 @@ | ||
| 1 | -/** | |
| 2 | - * LP AI Assistant - frontend chat widget. | |
| 3 | - * | |
| 4 | - * LearnPress runtime implementation: | |
| 5 | - * - ES6 class module. | |
| 6 | - * - Delegated events via lpUtils.eventHandlers. | |
| 7 | - * - Boot via lpUtils.lpOnElementReady. | |
| 8 | - * - AJAX transport via window.lpAJAXG.fetchAJAX. | |
| 9 | - * | |
| 10 | - * @since 4.3.5 | |
| 11 | - * @version 1.0.0 | |
| 12 | - */ | |
| 13 | -import * as lpUtils from '../utils.js'; | |
| 14 | -import SweetAlert from 'sweetalert2'; | |
| 15 | - | |
| 16 | -export class AIAssistantWidget { | |
| 17 | - constructor() { | |
| 18 | - this.config = null; | |
| 19 | - this.root = null; | |
| 20 | - this.elements = {}; | |
| 21 | - this.storageKey = ''; | |
| 22 | - this.history = []; | |
| 23 | - this.activeQuizState = null; | |
| 24 | - this.isRequesting = false; | |
| 25 | - this.quizHookBound = false; | |
| 26 | - this.lastQuizReviewSignature = ''; | |
| 27 | - } | |
| 28 | - | |
| 29 | - static selectors = { | |
| 30 | - root: '#lp-ai-assistant', | |
| 31 | - toggleBtn: '.lp-ai-assistant__toggle', | |
| 32 | - panel: '.lp-ai-assistant__panel', | |
| 33 | - closeBtn: '.lp-ai-assistant__close-btn', | |
| 34 | - clearBtn: '.lp-ai-assistant__clear-btn', | |
| 35 | - msgList: '.lp-ai-assistant__messages', | |
| 36 | - inputEl: '.lp-ai-assistant__input', | |
| 37 | - sendBtn: '.lp-ai-assistant__send-btn', | |
| 38 | - quickBtn: '.lp-ai-assistant__quick-btn', | |
| 39 | - quickActions: '.lp-ai-assistant__quick-actions', | |
| 40 | - inputArea: '.lp-ai-assistant__input-area', | |
| 41 | - smartReviewBtn: '.lp-ai-assistant__smart-review-btn', | |
| 42 | - quizCard: '.lp-ai-assistant__quiz-card', | |
| 43 | - quizOptionBtn: '.lp-ai-assistant__quiz-option', | |
| 44 | - }; | |
| 45 | - | |
| 46 | - init() { | |
| 47 | - if ( ! this.validateConfig() ) { | |
| 48 | - return; | |
| 49 | - } | |
| 50 | - | |
| 51 | - this.root = document.querySelector( AIAssistantWidget.selectors.root ); | |
| 52 | - if ( ! this.root ) { | |
| 53 | - return; | |
| 54 | - } | |
| 55 | - | |
| 56 | - this.cacheElements(); | |
| 57 | - if ( ! this.validateDOM() ) { | |
| 58 | - return; | |
| 59 | - } | |
| 60 | - | |
| 61 | - this.storageKey = `lp_ai_chat_${ this.config.context }_${ this.config.itemId }`; | |
| 62 | - this.applyInitialState(); | |
| 63 | - this.loadHistory(); | |
| 64 | - this.renderHistoryToDOM(); | |
| 65 | - this.bindQuizCompletedHook(); | |
| 66 | - this.events(); | |
| 67 | - } | |
| 68 | - | |
| 69 | - validateConfig() { | |
| 70 | - if ( typeof window.lpAIAssistant !== 'object' || ! window.lpAIAssistant ) { | |
| 71 | - return false; | |
| 72 | - } | |
| 73 | - | |
| 74 | - this.config = window.lpAIAssistant; | |
| 75 | - if ( ! this.config.enabled ) { | |
| 76 | - return false; | |
| 77 | - } | |
| 78 | - | |
| 79 | - const requiredString = [ 'nonce', 'ajaxUrl' ]; | |
| 80 | - for ( const key of requiredString ) { | |
| 81 | - if ( typeof this.config[ key ] !== 'string' || ! this.config[ key ] ) { | |
| 82 | - return false; | |
| 83 | - } | |
| 84 | - } | |
| 85 | - | |
| 86 | - const itemId = Number.isInteger( this.config.itemId ) ? this.config.itemId : this.config.lessonId; | |
| 87 | - if ( ! Number.isInteger( itemId ) || itemId <= 0 ) { | |
| 88 | - return false; | |
| 89 | - } | |
| 90 | - | |
| 91 | - if ( ! Number.isInteger( this.config.courseId ) || this.config.courseId <= 0 ) { | |
| 92 | - return false; | |
| 93 | - } | |
| 94 | - | |
| 95 | - this.config.itemId = itemId; | |
| 96 | - this.config.lessonId = itemId; // Backward compatibility for existing AJAX contract. | |
| 97 | - this.config.context = this.config.context === 'quiz' ? 'quiz' : 'lesson'; | |
| 98 | - this.config.quizCompleted = !! this.config.quizCompleted; | |
| 99 | - this.config.enabledActions = { | |
| 100 | - summarize: true, | |
| 101 | - explain: true, | |
| 102 | - quick_quiz: true, | |
| 103 | - smart_review: true, | |
| 104 | - ...( this.config.enabledActions || {} ), | |
| 105 | - }; | |
| 106 | - | |
| 107 | - this.config.i18n = { | |
| 108 | - you: this.config?.i18n?.you || 'You', | |
| 109 | - assistant: this.config?.i18n?.assistant || 'AI Assistant', | |
| 110 | - thinking: this.config?.i18n?.thinking || 'Thinking...', | |
| 111 | - sendError: this.config?.i18n?.sendError || 'An error occurred. Please try again.', | |
| 112 | - clearConfirm: this.config?.i18n?.clearConfirm || 'Clear chat history?', | |
| 113 | - explainPrompt: this.config?.i18n?.explainPrompt || 'Explain a concept from this lesson.', | |
| 114 | - quizPrompt: this.config?.i18n?.quizPrompt || 'Create a quick quiz from this lesson.', | |
| 115 | - summarizePrompt: this.config?.i18n?.summarizePrompt || 'Summarize this lesson with key points.', | |
| 116 | - smartReviewPrompt: this.config?.i18n?.smartReviewPrompt || 'Give me a smart review of my quiz results.', | |
| 117 | - quizCorrectTitle: this.config?.i18n?.quizCorrectTitle || 'Correct!', | |
| 118 | - quizWrongTitle: this.config?.i18n?.quizWrongTitle || 'Not correct!', | |
| 119 | - }; | |
| 120 | - | |
| 121 | - return true; | |
| 122 | - } | |
| 123 | - | |
| 124 | - cacheElements() { | |
| 125 | - this.elements.toggleBtn = document.querySelector( AIAssistantWidget.selectors.toggleBtn ); | |
| 126 | - this.elements.panel = this.root.querySelector( AIAssistantWidget.selectors.panel ); | |
| 127 | - this.elements.closeBtn = this.root.querySelector( AIAssistantWidget.selectors.closeBtn ); | |
| 128 | - this.elements.clearBtn = this.root.querySelector( AIAssistantWidget.selectors.clearBtn ); | |
| 129 | - this.elements.msgList = this.root.querySelector( AIAssistantWidget.selectors.msgList ); | |
| 130 | - this.elements.inputEl = this.root.querySelector( AIAssistantWidget.selectors.inputEl ); | |
| 131 | - this.elements.sendBtn = this.root.querySelector( AIAssistantWidget.selectors.sendBtn ); | |
| 132 | - this.elements.inputArea = this.root.querySelector( AIAssistantWidget.selectors.inputArea ); | |
| 133 | - this.elements.quickActions = this.root.querySelector( AIAssistantWidget.selectors.quickActions ); | |
| 134 | - this.elements.smartReviewBtn = this.root.querySelector( AIAssistantWidget.selectors.smartReviewBtn ); | |
| 135 | - } | |
| 136 | - | |
| 137 | - validateDOM() { | |
| 138 | - // inputEl and sendBtn are optional — absent when free chat is disabled. | |
| 139 | - return !! ( | |
| 140 | - this.elements.toggleBtn && | |
| 141 | - this.elements.panel && | |
| 142 | - this.elements.msgList | |
| 143 | - ); | |
| 144 | - } | |
| 145 | - | |
| 146 | - applyInitialState() { | |
| 147 | - if ( this.elements.smartReviewBtn ) { | |
| 148 | - const showSmartReview = this.config.context === 'quiz' | |
| 149 | - ? this.config.quizCompleted | |
| 150 | - : !! this.config.enabledActions?.smart_review; | |
| 151 | - this.elements.smartReviewBtn.hidden = ! showSmartReview; | |
| 152 | - } | |
| 153 | - | |
| 154 | - this.setQuizInputMode( false ); | |
| 155 | - } | |
| 156 | - | |
| 157 | - bindQuizCompletedHook() { | |
| 158 | - if ( this.config.context === 'quiz' ) { | |
| 159 | - return; | |
| 160 | - } | |
| 161 | - | |
| 162 | - if ( this.quizHookBound || ! this.elements.smartReviewBtn ) { | |
| 163 | - return; | |
| 164 | - } | |
| 165 | - | |
| 166 | - const hooks = window?.wp?.hooks; | |
| 167 | - if ( ! hooks || typeof hooks.addAction !== 'function' ) { | |
| 168 | - return; | |
| 169 | - } | |
| 170 | - | |
| 171 | - hooks.addAction( 'lp-js-quiz-answer', 'learnpress/ai-assistant-smart-review', ( answered, status ) => { | |
| 172 | - if ( String( status || '' ).toLowerCase() !== 'completed' ) { | |
| 173 | - return; | |
| 174 | - } | |
| 175 | - | |
| 176 | - this.config.quizCompleted = true; | |
| 177 | - this.elements.smartReviewBtn.hidden = false; | |
| 178 | - } ); | |
| 179 | - | |
| 180 | - this.quizHookBound = true; | |
| 181 | - } | |
| 182 | - | |
| 183 | - events() { | |
| 184 | - if ( AIAssistantWidget._loadedEvents ) { | |
| 185 | - return; | |
| 186 | - } | |
| 187 | - AIAssistantWidget._loadedEvents = this; | |
| 188 | - | |
| 189 | - lpUtils.eventHandlers( 'click', [ | |
| 190 | - { | |
| 191 | - selector: AIAssistantWidget.selectors.toggleBtn, | |
| 192 | - class: this, | |
| 193 | - callBack: this.handleToggleClick.name, | |
| 194 | - }, | |
| 195 | - { | |
| 196 | - selector: `${ AIAssistantWidget.selectors.root } ${ AIAssistantWidget.selectors.closeBtn }`, | |
| 197 | - class: this, | |
| 198 | - callBack: this.handleCloseClick.name, | |
| 199 | - }, | |
| 200 | - { | |
| 201 | - selector: `${ AIAssistantWidget.selectors.root } ${ AIAssistantWidget.selectors.clearBtn }`, | |
| 202 | - class: this, | |
| 203 | - callBack: this.handleClearClick.name, | |
| 204 | - }, | |
| 205 | - { | |
| 206 | - selector: `${ AIAssistantWidget.selectors.root } ${ AIAssistantWidget.selectors.sendBtn }`, | |
| 207 | - class: this, | |
| 208 | - callBack: this.handleSendClick.name, | |
| 209 | - }, | |
| 210 | - { | |
| 211 | - selector: `${ AIAssistantWidget.selectors.root } ${ AIAssistantWidget.selectors.quickBtn }`, | |
| 212 | - class: this, | |
| 213 | - callBack: this.handleQuickActionClick.name, | |
| 214 | - }, | |
| 215 | - { | |
| 216 | - selector: `${ AIAssistantWidget.selectors.root } ${ AIAssistantWidget.selectors.quizOptionBtn }`, | |
| 217 | - class: this, | |
| 218 | - callBack: this.handleQuizOptionClick.name, | |
| 219 | - }, | |
| 220 | - ] ); | |
| 221 | - | |
| 222 | - lpUtils.eventHandlers( 'keydown', [ | |
| 223 | - { | |
| 224 | - selector: `${ AIAssistantWidget.selectors.root } ${ AIAssistantWidget.selectors.inputEl }`, | |
| 225 | - class: this, | |
| 226 | - callBack: this.handleInputKeydown.name, | |
| 227 | - }, | |
| 228 | - { | |
| 229 | - selector: 'body', | |
| 230 | - class: this, | |
| 231 | - callBack: this.handleEscapeKeydown.name, | |
| 232 | - }, | |
| 233 | - ] ); | |
| 234 | - } | |
| 235 | - | |
| 236 | - handleToggleClick( args ) { | |
| 237 | - args.e.preventDefault(); | |
| 238 | - if ( this.elements.panel.hidden ) { | |
| 239 | - this.openPanel(); | |
| 240 | - } else { | |
| 241 | - this.closePanel(); | |
| 242 | - } | |
| 243 | - } | |
| 244 | - | |
| 245 | - handleCloseClick( args ) { | |
| 246 | - args.e.preventDefault(); | |
| 247 | - this.closePanel(); | |
| 248 | - } | |
| 249 | - | |
| 250 | - handleClearClick( args ) { | |
| 251 | - args.e.preventDefault(); | |
| 252 | - SweetAlert.fire( { | |
| 253 | - title: this.config.i18n.clearConfirm, | |
| 254 | - icon: 'warning', | |
| 255 | - showCancelButton: true, | |
| 256 | - confirmButtonColor: 'var(--lp-primary-color, #ffb606)', | |
| 257 | - } ).then( ( result ) => { | |
| 258 | - if ( result.isConfirmed ) { | |
| 259 | - this.clearHistory(); | |
| 260 | - } | |
| 261 | - } ); | |
| 262 | - } | |
| 263 | - | |
| 264 | - handleSendClick( args ) { | |
| 265 | - args.e.preventDefault(); | |
| 266 | - this.sendMessage( this.elements.inputEl?.value ?? '' ); | |
| 267 | - } | |
| 268 | - | |
| 269 | - handleQuickActionClick( args ) { | |
| 270 | - args.e.preventDefault(); | |
| 271 | - | |
| 272 | - if ( this.activeQuizState?.is_active ) { | |
| 273 | - return; | |
| 274 | - } | |
| 275 | - | |
| 276 | - const btn = args.target.closest( AIAssistantWidget.selectors.quickBtn ); | |
| 277 | - if ( ! btn ) { | |
| 278 | - return; | |
| 279 | - } | |
| 280 | - | |
| 281 | - const action = btn.dataset.lpAiAction; | |
| 282 | - const prompts = { | |
| 283 | - explain: this.config.i18n.explainPrompt, | |
| 284 | - 'quick-quiz': this.config.i18n.quizPrompt, | |
| 285 | - summarize: this.config.i18n.summarizePrompt, | |
| 286 | - 'smart-review': this.config.i18n.smartReviewPrompt, | |
| 287 | - }; | |
| 288 | - | |
| 289 | - const prompt = prompts[ action ]; | |
| 290 | - if ( ! prompt ) { | |
| 291 | - return; | |
| 292 | - } | |
| 293 | - | |
| 294 | - this.openPanel(); | |
| 295 | - this.sendMessage( prompt, action ); | |
| 296 | - } | |
| 297 | - | |
| 298 | - handleQuizOptionClick( args ) { | |
| 299 | - args.e.preventDefault(); | |
| 300 | - if ( this.isRequesting || ! this.activeQuizState?.is_active ) { | |
| 301 | - return; | |
| 302 | - } | |
| 303 | - | |
| 304 | - const btn = args.target.closest( AIAssistantWidget.selectors.quizOptionBtn ); | |
| 305 | - if ( ! btn ) { | |
| 306 | - return; | |
| 307 | - } | |
| 308 | - | |
| 309 | - const answerText = ( btn.dataset.option || btn.textContent || '' ).trim(); | |
| 310 | - if ( ! answerText ) { | |
| 311 | - return; | |
| 312 | - } | |
| 313 | - | |
| 314 | - this.sendMessage( answerText ); | |
| 315 | - } | |
| 316 | - | |
| 317 | - handleInputKeydown( args ) { | |
| 318 | - if ( this.activeQuizState?.is_active ) { | |
| 319 | - return; | |
| 320 | - } | |
| 321 | - | |
| 322 | - if ( args.e.key === 'Enter' && ! args.e.shiftKey ) { | |
| 323 | - args.e.preventDefault(); | |
| 324 | - this.sendMessage( this.elements.inputEl?.value ?? '' ); | |
| 325 | - } | |
| 326 | - } | |
| 327 | - | |
| 328 | - handleEscapeKeydown( args ) { | |
| 329 | - if ( args.e.key !== 'Escape' ) { | |
| 330 | - return; | |
| 331 | - } | |
| 332 | - | |
| 333 | - if ( this.elements.panel && ! this.elements.panel.hidden ) { | |
| 334 | - this.closePanel(); | |
| 335 | - } | |
| 336 | - } | |
| 337 | - | |
| 338 | - getAjaxHandle() { | |
| 339 | - const ajaxHandle = window.lpAJAXG; | |
| 340 | - if ( ! ajaxHandle || typeof ajaxHandle.fetchAJAX !== 'function' ) { | |
| 341 | - return null; | |
| 342 | - } | |
| 343 | - | |
| 344 | - return ajaxHandle; | |
| 345 | - } | |
| 346 | - | |
| 347 | - openPanel() { | |
| 348 | - this.elements.panel.hidden = false; | |
| 349 | - this.root.setAttribute( 'aria-hidden', 'false' ); | |
| 350 | - this.elements.toggleBtn.setAttribute( 'aria-expanded', 'true' ); | |
| 351 | - this.elements.toggleBtn.classList.add( 'is-hidden' ); | |
| 352 | - this.elements.inputEl?.focus(); | |
| 353 | - | |
| 354 | - if ( this.elements.msgList ) { | |
| 355 | - this.elements.msgList.scrollTop = this.elements.msgList.scrollHeight; | |
| 356 | - } | |
| 357 | - } | |
| 358 | - | |
| 359 | - closePanel() { | |
| 360 | - this.elements.panel.hidden = true; | |
| 361 | - this.root.setAttribute( 'aria-hidden', 'true' ); | |
| 362 | - this.elements.toggleBtn.setAttribute( 'aria-expanded', 'false' ); | |
| 363 | - this.elements.toggleBtn.classList.remove( 'is-hidden' ); | |
| 364 | - this.elements.toggleBtn.focus(); | |
| 365 | - } | |
| 366 | - | |
| 367 | - setLoadingState( isLoading ) { | |
| 368 | - this.isRequesting = isLoading; | |
| 369 | - if ( this.elements.sendBtn ) { | |
| 370 | - this.elements.sendBtn.disabled = isLoading; | |
| 371 | - } | |
| 372 | - if ( this.elements.inputEl ) { | |
| 373 | - this.elements.inputEl.disabled = isLoading; | |
| 374 | - } | |
| 375 | - } | |
| 376 | - | |
| 377 | - setQuizInputMode( isQuizActive ) { | |
| 378 | - if ( this.elements.inputArea ) { | |
| 379 | - this.elements.inputArea.classList.toggle( 'lp-ai-assistant__input-area--hidden', isQuizActive ); | |
| 380 | - } | |
| 381 | - | |
| 382 | - if ( this.elements.quickActions ) { | |
| 383 | - this.elements.quickActions.classList.toggle( 'lp-ai-assistant__quick-actions--disabled', isQuizActive ); | |
| 384 | - } | |
| 385 | - } | |
| 386 | - | |
| 387 | - loadHistory() { | |
| 388 | - try { | |
| 389 | - const raw = localStorage.getItem( this.storageKey ); | |
| 390 | - this.history = raw ? JSON.parse( raw ) : []; | |
| 391 | - if ( ! Array.isArray( this.history ) ) { | |
| 392 | - this.history = []; | |
| 393 | - } | |
| 394 | - | |
| 395 | - const lastReview = [ ...this.history ] | |
| 396 | - .reverse() | |
| 397 | - .find( ( item ) => item?.type === 'quiz_review' && item?.review ); | |
| 398 | - this.lastQuizReviewSignature = lastReview?.review | |
| 399 | - ? this.getQuizReviewKey( lastReview.review ) | |
| 400 | - : ''; | |
| 401 | - } catch ( _e ) { | |
| 402 | - this.history = []; | |
| 403 | - this.lastQuizReviewSignature = ''; | |
| 404 | - } | |
| 405 | - } | |
| 406 | - | |
| 407 | - saveHistory() { | |
| 408 | - try { | |
| 409 | - localStorage.setItem( this.storageKey, JSON.stringify( this.history ) ); | |
| 410 | - } catch ( _e ) { | |
| 411 | - // Ignore storage errors. | |
| 412 | - } | |
| 413 | - } | |
| 414 | - | |
| 415 | - clearHistory() { | |
| 416 | - this.history = []; | |
| 417 | - this.activeQuizState = null; | |
| 418 | - this.lastQuizReviewSignature = ''; | |
| 419 | - this.elements.msgList.innerHTML = ''; | |
| 420 | - localStorage.removeItem( this.storageKey ); | |
| 421 | - this.setQuizInputMode( false ); | |
| 422 | - } | |
| 423 | - | |
| 424 | - escHtml( text ) { | |
| 425 | - const div = document.createElement( 'div' ); | |
| 426 | - div.appendChild( document.createTextNode( String( text ) ) ); | |
| 427 | - return div.innerHTML; | |
| 428 | - } | |
| 429 | - | |
| 430 | - appendMessage( role, text ) { | |
| 431 | - const el = document.createElement( 'div' ); | |
| 432 | - el.className = `lp-ai-assistant__msg lp-ai-assistant__msg--${ role }`; | |
| 433 | - | |
| 434 | - const label = role === 'user' ? this.config.i18n.you : this.config.i18n.assistant; | |
| 435 | - el.innerHTML = | |
| 436 | - `<span class="lp-ai-assistant__msg-label">${ this.escHtml( label ) }</span>` + | |
| 437 | - `<p class="lp-ai-assistant__msg-text">${ this.escHtml( text ) }</p>`; | |
| 438 | - | |
| 439 | - this.elements.msgList.appendChild( el ); | |
| 440 | - this.elements.msgList.scrollTop = this.elements.msgList.scrollHeight; | |
| 441 | - return el; | |
| 442 | - } | |
| 443 | - | |
| 444 | - renderHistoryToDOM() { | |
| 445 | - this.elements.msgList.innerHTML = ''; | |
| 446 | - this.history.forEach( ( message ) => { | |
| 447 | - if ( message?.type === 'quiz_review' && message?.review ) { | |
| 448 | - this.appendQuizReviewCard( message.review ); | |
| 449 | - return; | |
| 450 | - } | |
| 451 | - | |
| 452 | - if ( ! message || ! [ 'user', 'assistant' ].includes( message.role ) ) { | |
| 453 | - return; | |
| 454 | - } | |
| 455 | - | |
| 456 | - this.appendMessage( message.role, message.content || '' ); | |
| 457 | - } ); | |
| 458 | - | |
| 459 | - this.renderQuizState(); | |
| 460 | - } | |
| 461 | - | |
| 462 | - getQuizReviewFromState( quiz ) { | |
| 463 | - if ( ! quiz || ! quiz.feedback || typeof quiz.feedback !== 'object' ) { | |
| 464 | - return null; | |
| 465 | - } | |
| 466 | - | |
| 467 | - const currentIndex = Number.parseInt( quiz.current_index || 0, 10 ); | |
| 468 | - const questionIndex = Math.max( 0, currentIndex - 1 ); | |
| 469 | - const question = quiz.questions?.[ questionIndex ]; | |
| 470 | - if ( ! question || ! Array.isArray( question.options ) ) { | |
| 471 | - return null; | |
| 472 | - } | |
| 473 | - | |
| 474 | - const selectedIndex = Number.parseInt( quiz.feedback.selected_index ?? -1, 10 ); | |
| 475 | - const correctIndex = Number.parseInt( quiz.feedback.correct_index ?? -1, 10 ); | |
| 476 | - | |
| 477 | - return { | |
| 478 | - question_index: questionIndex, | |
| 479 | - total: Number.parseInt( quiz.total || question.options.length || 0, 10 ), | |
| 480 | - question: question.question || '', | |
| 481 | - options: question.options, | |
| 482 | - selected_index: selectedIndex, | |
| 483 | - correct_index: correctIndex, | |
| 484 | - is_correct: !! quiz.feedback.is_correct, | |
| 485 | - explanation: quiz.feedback.explanation || '', | |
| 486 | - }; | |
| 487 | - } | |
| 488 | - | |
| 489 | - getQuizReviewKey( review ) { | |
| 490 | - return [ | |
| 491 | - review.question_index, | |
| 492 | - review.total, | |
| 493 | - review.selected_index, | |
| 494 | - review.correct_index, | |
| 495 | - review.is_correct ? 1 : 0, | |
| 496 | - ].join( '|' ); | |
| 497 | - } | |
| 498 | - | |
| 499 | - pushQuizReviewToHistory( review ) { | |
| 500 | - const reviewKey = this.getQuizReviewKey( review ); | |
| 501 | - if ( reviewKey === this.lastQuizReviewSignature ) { | |
| 502 | - return false; | |
| 503 | - } | |
| 504 | - this.lastQuizReviewSignature = reviewKey; | |
| 505 | - | |
| 506 | - this.history.push( { | |
| 507 | - type: 'quiz_review', | |
| 508 | - review, | |
| 509 | - } ); | |
| 510 | - this.saveHistory(); | |
| 511 | - | |
| 512 | - return true; | |
| 513 | - } | |
| 514 | - | |
| 515 | - renderQuizReviewOptions( review ) { | |
| 516 | - const options = Array.isArray( review.options ) ? review.options : []; | |
| 517 | - | |
| 518 | - return options.map( ( option, index ) => { | |
| 519 | - const letter = String.fromCharCode( 65 + index ); | |
| 520 | - const classes = [ 'lp-ai-assistant__quiz-option' ]; | |
| 521 | - if ( index === review.correct_index ) { | |
| 522 | - classes.push( 'is-correct-answer' ); | |
| 523 | - } | |
| 524 | - | |
| 525 | - if ( index === review.selected_index ) { | |
| 526 | - classes.push( review.is_correct ? 'is-selected-correct' : 'is-selected-wrong' ); | |
| 527 | - } | |
| 528 | - | |
| 529 | - return `<button class="${ classes.join( ' ' ) }" disabled>${ letter }. ${ this.escHtml( option ) }</button>`; | |
| 530 | - } ).join( '' ); | |
| 531 | - } | |
| 532 | - | |
| 533 | - appendQuizReviewCard( review ) { | |
| 534 | - const card = document.createElement( 'div' ); | |
| 535 | - card.className = 'lp-ai-assistant__quiz-card lp-ai-assistant__quiz-card--review'; | |
| 536 | - card.setAttribute( 'data-review-key', this.getQuizReviewKey( review ) ); | |
| 537 | - | |
| 538 | - const feedbackClass = review.is_correct ? 'is-correct' : 'is-wrong'; | |
| 539 | - const feedbackTitle = review.is_correct | |
| 540 | - ? this.config.i18n.quizCorrectTitle | |
| 541 | - : this.config.i18n.quizWrongTitle; | |
| 542 | - const feedbackHtml = | |
| 543 | - `<div class="lp-ai-assistant__quiz-feedback ${ feedbackClass }">` + | |
| 544 | - `<strong>${ this.escHtml( feedbackTitle ) }</strong>` + | |
| 545 | - ( review.explanation ? `<div>${ this.escHtml( review.explanation ) }</div>` : '' ) + | |
| 546 | - '</div>'; | |
| 547 | - | |
| 548 | - card.innerHTML = | |
| 549 | - `<div class="lp-ai-assistant__quiz-head">Question ${ review.question_index + 1 }/${ review.total || review.options.length }</div>` + | |
| 550 | - `<div class="lp-ai-assistant__quiz-question">${ this.escHtml( review.question || '' ) }</div>` + | |
| 551 | - `<div class="lp-ai-assistant__quiz-options">${ this.renderQuizReviewOptions( review ) }</div>` + | |
| 552 | - feedbackHtml; | |
| 553 | - | |
| 554 | - this.elements.msgList.appendChild( card ); | |
| 555 | - } | |
| 556 | - | |
| 557 | - renderQuizState() { | |
| 558 | - const oldActiveQuizCard = this.elements.msgList.querySelector( '.lp-ai-assistant__quiz-card--active' ); | |
| 559 | - if ( oldActiveQuizCard ) { | |
| 560 | - oldActiveQuizCard.remove(); | |
| 561 | - } | |
| 562 | - | |
| 563 | - if ( ! this.activeQuizState || ! this.activeQuizState.questions ) { | |
| 564 | - this.setQuizInputMode( false ); | |
| 565 | - return; | |
| 566 | - } | |
| 567 | - | |
| 568 | - const quiz = this.activeQuizState; | |
| 569 | - const review = this.getQuizReviewFromState( quiz ); | |
| 570 | - if ( review ) { | |
| 571 | - if ( this.pushQuizReviewToHistory( review ) ) { | |
| 572 | - this.appendQuizReviewCard( review ); | |
| 573 | - } | |
| 574 | - } | |
| 575 | - | |
| 576 | - if ( ! quiz.is_active ) { | |
| 577 | - this.setQuizInputMode( false ); | |
| 578 | - return; | |
| 579 | - } | |
| 580 | - | |
| 581 | - const currentIndex = Number.parseInt( quiz.current_index || 0, 10 ); | |
| 582 | - const question = quiz.questions?.[ currentIndex ]; | |
| 583 | - if ( ! question ) { | |
| 584 | - this.setQuizInputMode( false ); | |
| 585 | - return; | |
| 586 | - } | |
| 587 | - | |
| 588 | - const card = document.createElement( 'div' ); | |
| 589 | - card.className = 'lp-ai-assistant__quiz-card lp-ai-assistant__quiz-card--active'; | |
| 590 | - | |
| 591 | - const options = Array.isArray( question.options ) ? question.options : []; | |
| 592 | - const optionsHtml = options.map( ( option, index ) => { | |
| 593 | - const letter = String.fromCharCode( 65 + index ); | |
| 594 | - return `<button class="lp-ai-assistant__quiz-option" data-index="${ index }" data-option="${ this.escHtml( option ) }">${ letter }. ${ this.escHtml( option ) }</button>`; | |
| 595 | - } ).join( '' ); | |
| 596 | - | |
| 597 | - card.innerHTML = | |
| 598 | - `<div class="lp-ai-assistant__quiz-head">Question ${ currentIndex + 1 }/${ quiz.total || options.length }</div>` + | |
| 599 | - `<div class="lp-ai-assistant__quiz-question">${ this.escHtml( question.question || '' ) }</div>` + | |
| 600 | - `<div class="lp-ai-assistant__quiz-options">${ optionsHtml }</div>`; | |
| 601 | - | |
| 602 | - this.elements.msgList.appendChild( card ); | |
| 603 | - this.setQuizInputMode( true ); | |
| 604 | - } | |
| 605 | - | |
| 606 | - scrollToMessageStart( messageEl ) { | |
| 607 | - const msgList = this.elements.msgList; | |
| 608 | - if ( ! msgList || ! messageEl || ! msgList.contains( messageEl ) ) { | |
| 609 | - return; | |
| 610 | - } | |
| 611 | - | |
| 612 | - msgList.scrollTop = Math.max( 0, messageEl.offsetTop - 8 ); | |
| 613 | - } | |
| 614 | - | |
| 615 | - sendMessage( message, actionHint = '' ) { | |
| 616 | - const text = ( message || '' ).trim(); | |
| 617 | - if ( this.isRequesting || ! text ) { | |
| 618 | - return; | |
| 619 | - } | |
| 620 | - | |
| 621 | - const ajaxHandle = this.getAjaxHandle(); | |
| 622 | - if ( ! ajaxHandle ) { | |
| 623 | - this.appendMessage( 'assistant', this.config.i18n.sendError ); | |
| 624 | - return; | |
| 625 | - } | |
| 626 | - | |
| 627 | - this.appendMessage( 'user', text ); | |
| 628 | - | |
| 629 | - const contextHistory = this.history.slice(); | |
| 630 | - this.history.push( { role: 'user', content: text } ); | |
| 631 | - this.saveHistory(); | |
| 632 | - if ( this.elements.inputEl ) { | |
| 633 | - this.elements.inputEl.value = ''; | |
| 634 | - } | |
| 635 | - | |
| 636 | - const pendingEl = this.appendMessage( 'assistant', this.config.i18n.thinking ); | |
| 637 | - const pendingTextEl = pendingEl.querySelector( '.lp-ai-assistant__msg-text' ); | |
| 638 | - this.setLoadingState( true ); | |
| 639 | - | |
| 640 | - const dataSend = { | |
| 641 | - action: 'openai_assistant_chat', | |
| 642 | - message: text, | |
| 643 | - item_id: this.config.itemId, | |
| 644 | - course_id: this.config.courseId, | |
| 645 | - history: contextHistory, | |
| 646 | - active_quiz_questions: this.activeQuizState || [], | |
| 647 | - action_hint: typeof actionHint === 'string' ? actionHint : '', | |
| 648 | - }; | |
| 649 | - | |
| 650 | - const callBack = { | |
| 651 | - success: ( response ) => { | |
| 652 | - if ( response?.status === 'success' && response?.data ) { | |
| 653 | - pendingTextEl.textContent = response.data.message || ''; | |
| 654 | - | |
| 655 | - if ( response?.data?.type === 'quiz' ) { | |
| 656 | - this.activeQuizState = response?.data?.quiz || null; | |
| 657 | - this.renderQuizState(); | |
| 658 | - | |
| 659 | - const isQuizCompleted = !! this.activeQuizState?.completed || this.activeQuizState?.is_active === false; | |
| 660 | - if ( isQuizCompleted && this.elements.msgList?.contains( pendingEl ) ) { | |
| 661 | - // Keep completion feedback after the last review card. | |
| 662 | - this.elements.msgList.appendChild( pendingEl ); | |
| 663 | - } | |
| 664 | - } else { | |
| 665 | - this.activeQuizState = null; | |
| 666 | - this.renderQuizState(); | |
| 667 | - } | |
| 668 | - | |
| 669 | - this.history.push( { role: 'assistant', content: response.data.message } ); | |
| 670 | - this.saveHistory(); | |
| 671 | - } else { | |
| 672 | - this.activeQuizState = null; | |
| 673 | - this.renderQuizState(); | |
| 674 | - pendingTextEl.textContent = response?.message || this.config.i18n.sendError; | |
| 675 | - } | |
| 676 | - }, | |
| 677 | - error: () => { | |
| 678 | - this.activeQuizState = null; | |
| 679 | - this.renderQuizState(); | |
| 680 | - pendingTextEl.textContent = this.config.i18n.sendError; | |
| 681 | - }, | |
| 682 | - completed: () => { | |
| 683 | - this.setLoadingState( false ); | |
| 684 | - this.scrollToMessageStart( pendingEl ); | |
| 685 | - }, | |
| 686 | - }; | |
| 687 | - | |
| 688 | - ajaxHandle.fetchAJAX( dataSend, callBack ); | |
| 689 | - } | |
| 690 | -} | |
| 691 | - | |
| 692 | -const aiAssistantWidget = new AIAssistantWidget(); | |
| 693 | -lpUtils.lpOnElementReady( AIAssistantWidget.selectors.root, () => { | |
| 694 | - aiAssistantWidget.init(); | |
| 695 | -} ); | |
| 1 | +/** | |
| 2 | + * LP AI Assistant - frontend chat widget. | |
| 3 | + * | |
| 4 | + * LearnPress runtime implementation: | |
| 5 | + * - ES6 class module. | |
| 6 | + * - Delegated events via lpUtils.eventHandlers. | |
| 7 | + * - Boot via lpUtils.lpOnElementReady. | |
| 8 | + * - AJAX transport via window.lpAJAXG.fetchAJAX. | |
| 9 | + * | |
| 10 | + * @since 4.3.5 | |
| 11 | + * @version 1.0.0 | |
| 12 | + */ | |
| 13 | +import * as lpUtils from '../utils.js'; | |
| 14 | +import SweetAlert from 'sweetalert2'; | |
| 15 | + | |
| 16 | +export class AIAssistantWidget { | |
| 17 | + constructor() { | |
| 18 | + this.config = null; | |
| 19 | + this.root = null; | |
| 20 | + this.elements = {}; | |
| 21 | + this.storageKey = ''; | |
| 22 | + this.history = []; | |
| 23 | + this.activeQuizState = null; | |
| 24 | + this.isRequesting = false; | |
| 25 | + this.quizHookBound = false; | |
| 26 | + this.lastQuizReviewSignature = ''; | |
| 27 | + } | |
| 28 | + | |
| 29 | + static selectors = { | |
| 30 | + root: '#lp-ai-assistant', | |
| 31 | + toggleBtn: '.lp-ai-assistant__toggle', | |
| 32 | + panel: '.lp-ai-assistant__panel', | |
| 33 | + closeBtn: '.lp-ai-assistant__close-btn', | |
| 34 | + clearBtn: '.lp-ai-assistant__clear-btn', | |
| 35 | + msgList: '.lp-ai-assistant__messages', | |
| 36 | + inputEl: '.lp-ai-assistant__input', | |
| 37 | + sendBtn: '.lp-ai-assistant__send-btn', | |
| 38 | + quickBtn: '.lp-ai-assistant__quick-btn', | |
| 39 | + quickActions: '.lp-ai-assistant__quick-actions', | |
| 40 | + inputArea: '.lp-ai-assistant__input-area', | |
| 41 | + smartReviewBtn: '.lp-ai-assistant__smart-review-btn', | |
| 42 | + quizCard: '.lp-ai-assistant__quiz-card', | |
| 43 | + quizOptionBtn: '.lp-ai-assistant__quiz-option', | |
| 44 | + }; | |
| 45 | + | |
| 46 | + /** | |
| 47 | + * Curriculum item types the assistant supports. | |
| 48 | + * | |
| 49 | + * Mirrors AIAssistantController::get_supported_item_types(). The server re-validates, | |
| 50 | + * so this only avoids pointless requests. | |
| 51 | + */ | |
| 52 | + static itemTypes = [ 'lp_lesson', 'lp_quiz' ]; | |
| 53 | + | |
| 54 | + init() { | |
| 55 | + if ( ! this.validateConfig() ) { | |
| 56 | + return; | |
| 57 | + } | |
| 58 | + | |
| 59 | + this.root = document.querySelector( AIAssistantWidget.selectors.root ); | |
| 60 | + if ( ! this.root ) { | |
| 61 | + return; | |
| 62 | + } | |
| 63 | + | |
| 64 | + this.cacheElements(); | |
| 65 | + if ( ! this.validateDOM() ) { | |
| 66 | + return; | |
| 67 | + } | |
| 68 | + | |
| 69 | + this.storageKey = `lp_ai_chat_${ this.config.context }_${ this.config.itemId }`; | |
| 70 | + this.applyInitialState(); | |
| 71 | + this.loadHistory(); | |
| 72 | + this.renderHistoryToDOM(); | |
| 73 | + this.bindQuizCompletedHook(); | |
| 74 | + this.events(); | |
| 75 | + } | |
| 76 | + | |
| 77 | + validateConfig() { | |
| 78 | + if ( typeof window.lpAIAssistant !== 'object' || ! window.lpAIAssistant ) { | |
| 79 | + return false; | |
| 80 | + } | |
| 81 | + | |
| 82 | + this.config = window.lpAIAssistant; | |
| 83 | + if ( ! this.config.enabled ) { | |
| 84 | + return false; | |
| 85 | + } | |
| 86 | + | |
| 87 | + const requiredString = [ 'nonce', 'ajaxUrl' ]; | |
| 88 | + for ( const key of requiredString ) { | |
| 89 | + if ( typeof this.config[ key ] !== 'string' || ! this.config[ key ] ) { | |
| 90 | + return false; | |
| 91 | + } | |
| 92 | + } | |
| 93 | + | |
| 94 | + const itemId = Number.isInteger( this.config.itemId ) ? this.config.itemId : this.config.lessonId; | |
| 95 | + if ( ! Number.isInteger( itemId ) || itemId <= 0 ) { | |
| 96 | + return false; | |
| 97 | + } | |
| 98 | + | |
| 99 | + if ( ! Number.isInteger( this.config.courseId ) || this.config.courseId <= 0 ) { | |
| 100 | + return false; | |
| 101 | + } | |
| 102 | + | |
| 103 | + /** | |
| 104 | + * itemType is required and must come from the server-localized config. It is | |
| 105 | + * never guessed from context, lessonId or the numeric ID: a course item is | |
| 106 | + * identified by (courseId, itemType, itemId), and inferring one leg of that | |
| 107 | + * tuple on the client would let a lesson request address a quiz record. | |
| 108 | + */ | |
| 109 | + if ( ! AIAssistantWidget.itemTypes.includes( this.config.itemType ) ) { | |
| 110 | + return false; | |
| 111 | + } | |
| 112 | + | |
| 113 | + this.config.itemId = itemId; | |
| 114 | + this.config.lessonId = itemId; // Backward compatibility for existing AJAX contract. | |
| 115 | + this.config.context = this.config.context === 'quiz' ? 'quiz' : 'lesson'; | |
| 116 | + this.config.quizCompleted = !! this.config.quizCompleted; | |
| 117 | + this.config.enabledActions = { | |
| 118 | + summarize: true, | |
| 119 | + explain: true, | |
| 120 | + quick_quiz: true, | |
| 121 | + smart_review: true, | |
| 122 | + ...( this.config.enabledActions || {} ), | |
| 123 | + }; | |
| 124 | + | |
| 125 | + this.config.i18n = { | |
| 126 | + you: this.config?.i18n?.you || 'You', | |
| 127 | + assistant: this.config?.i18n?.assistant || 'AI Assistant', | |
| 128 | + thinking: this.config?.i18n?.thinking || 'Thinking...', | |
| 129 | + sendError: this.config?.i18n?.sendError || 'An error occurred. Please try again.', | |
| 130 | + clearConfirm: this.config?.i18n?.clearConfirm || 'Clear chat history?', | |
| 131 | + explainPrompt: this.config?.i18n?.explainPrompt || 'Explain a concept from this lesson.', | |
| 132 | + quizPrompt: this.config?.i18n?.quizPrompt || 'Create a quick quiz from this lesson.', | |
| 133 | + summarizePrompt: this.config?.i18n?.summarizePrompt || 'Summarize this lesson with key points.', | |
| 134 | + smartReviewPrompt: this.config?.i18n?.smartReviewPrompt || 'Give me a smart review of my quiz results.', | |
| 135 | + quizCorrectTitle: this.config?.i18n?.quizCorrectTitle || 'Correct!', | |
| 136 | + quizWrongTitle: this.config?.i18n?.quizWrongTitle || 'Not correct!', | |
| 137 | + }; | |
| 138 | + | |
| 139 | + return true; | |
| 140 | + } | |
| 141 | + | |
| 142 | + cacheElements() { | |
| 143 | + this.elements.toggleBtn = document.querySelector( AIAssistantWidget.selectors.toggleBtn ); | |
| 144 | + this.elements.panel = this.root.querySelector( AIAssistantWidget.selectors.panel ); | |
| 145 | + this.elements.closeBtn = this.root.querySelector( AIAssistantWidget.selectors.closeBtn ); | |
| 146 | + this.elements.clearBtn = this.root.querySelector( AIAssistantWidget.selectors.clearBtn ); | |
| 147 | + this.elements.msgList = this.root.querySelector( AIAssistantWidget.selectors.msgList ); | |
| 148 | + this.elements.inputEl = this.root.querySelector( AIAssistantWidget.selectors.inputEl ); | |
| 149 | + this.elements.sendBtn = this.root.querySelector( AIAssistantWidget.selectors.sendBtn ); | |
| 150 | + this.elements.inputArea = this.root.querySelector( AIAssistantWidget.selectors.inputArea ); | |
| 151 | + this.elements.quickActions = this.root.querySelector( AIAssistantWidget.selectors.quickActions ); | |
| 152 | + this.elements.smartReviewBtn = this.root.querySelector( AIAssistantWidget.selectors.smartReviewBtn ); | |
| 153 | + } | |
| 154 | + | |
| 155 | + validateDOM() { | |
| 156 | + // inputEl and sendBtn are optional — absent when free chat is disabled. | |
| 157 | + return !! ( | |
| 158 | + this.elements.toggleBtn && | |
| 159 | + this.elements.panel && | |
| 160 | + this.elements.msgList | |
| 161 | + ); | |
| 162 | + } | |
| 163 | + | |
| 164 | + applyInitialState() { | |
| 165 | + if ( this.elements.smartReviewBtn ) { | |
| 166 | + const showSmartReview = this.config.context === 'quiz' | |
| 167 | + ? this.config.quizCompleted | |
| 168 | + : !! this.config.enabledActions?.smart_review; | |
| 169 | + this.elements.smartReviewBtn.hidden = ! showSmartReview; | |
| 170 | + } | |
| 171 | + | |
| 172 | + this.setQuizInputMode( false ); | |
| 173 | + } | |
| 174 | + | |
| 175 | + bindQuizCompletedHook() { | |
| 176 | + if ( this.config.context === 'quiz' ) { | |
| 177 | + return; | |
| 178 | + } | |
| 179 | + | |
| 180 | + if ( this.quizHookBound || ! this.elements.smartReviewBtn ) { | |
| 181 | + return; | |
| 182 | + } | |
| 183 | + | |
| 184 | + const hooks = window?.wp?.hooks; | |
| 185 | + if ( ! hooks || typeof hooks.addAction !== 'function' ) { | |
| 186 | + return; | |
| 187 | + } | |
| 188 | + | |
| 189 | + hooks.addAction( 'lp-js-quiz-answer', 'learnpress/ai-assistant-smart-review', ( answered, status ) => { | |
| 190 | + if ( String( status || '' ).toLowerCase() !== 'completed' ) { | |
| 191 | + return; | |
| 192 | + } | |
| 193 | + | |
| 194 | + this.config.quizCompleted = true; | |
| 195 | + this.elements.smartReviewBtn.hidden = false; | |
| 196 | + } ); | |
| 197 | + | |
| 198 | + this.quizHookBound = true; | |
| 199 | + } | |
| 200 | + | |
| 201 | + events() { | |
| 202 | + if ( AIAssistantWidget._loadedEvents ) { | |
| 203 | + return; | |
| 204 | + } | |
| 205 | + AIAssistantWidget._loadedEvents = this; | |
| 206 | + | |
| 207 | + lpUtils.eventHandlers( 'click', [ | |
| 208 | + { | |
| 209 | + selector: AIAssistantWidget.selectors.toggleBtn, | |
| 210 | + class: this, | |
| 211 | + callBack: this.handleToggleClick.name, | |
| 212 | + }, | |
| 213 | + { | |
| 214 | + selector: `${ AIAssistantWidget.selectors.root } ${ AIAssistantWidget.selectors.closeBtn }`, | |
| 215 | + class: this, | |
| 216 | + callBack: this.handleCloseClick.name, | |
| 217 | + }, | |
| 218 | + { | |
| 219 | + selector: `${ AIAssistantWidget.selectors.root } ${ AIAssistantWidget.selectors.clearBtn }`, | |
| 220 | + class: this, | |
| 221 | + callBack: this.handleClearClick.name, | |
| 222 | + }, | |
| 223 | + { | |
| 224 | + selector: `${ AIAssistantWidget.selectors.root } ${ AIAssistantWidget.selectors.sendBtn }`, | |
| 225 | + class: this, | |
| 226 | + callBack: this.handleSendClick.name, | |
| 227 | + }, | |
| 228 | + { | |
| 229 | + selector: `${ AIAssistantWidget.selectors.root } ${ AIAssistantWidget.selectors.quickBtn }`, | |
| 230 | + class: this, | |
| 231 | + callBack: this.handleQuickActionClick.name, | |
| 232 | + }, | |
| 233 | + { | |
| 234 | + selector: `${ AIAssistantWidget.selectors.root } ${ AIAssistantWidget.selectors.quizOptionBtn }`, | |
| 235 | + class: this, | |
| 236 | + callBack: this.handleQuizOptionClick.name, | |
| 237 | + }, | |
| 238 | + ] ); | |
| 239 | + | |
| 240 | + lpUtils.eventHandlers( 'keydown', [ | |
| 241 | + { | |
| 242 | + selector: `${ AIAssistantWidget.selectors.root } ${ AIAssistantWidget.selectors.inputEl }`, | |
| 243 | + class: this, | |
| 244 | + callBack: this.handleInputKeydown.name, | |
| 245 | + }, | |
| 246 | + { | |
| 247 | + selector: 'body', | |
| 248 | + class: this, | |
| 249 | + callBack: this.handleEscapeKeydown.name, | |
| 250 | + }, | |
| 251 | + ] ); | |
| 252 | + } | |
| 253 | + | |
| 254 | + handleToggleClick( args ) { | |
| 255 | + args.e.preventDefault(); | |
| 256 | + if ( this.elements.panel.hidden ) { | |
| 257 | + this.openPanel(); | |
| 258 | + } else { | |
| 259 | + this.closePanel(); | |
| 260 | + } | |
| 261 | + } | |
| 262 | + | |
| 263 | + handleCloseClick( args ) { | |
| 264 | + args.e.preventDefault(); | |
| 265 | + this.closePanel(); | |
| 266 | + } | |
| 267 | + | |
| 268 | + handleClearClick( args ) { | |
| 269 | + args.e.preventDefault(); | |
| 270 | + SweetAlert.fire( { | |
| 271 | + title: this.config.i18n.clearConfirm, | |
| 272 | + icon: 'warning', | |
| 273 | + showCancelButton: true, | |
| 274 | + confirmButtonColor: 'var(--lp-primary-color, #ffb606)', | |
| 275 | + } ).then( ( result ) => { | |
| 276 | + if ( result.isConfirmed ) { | |
| 277 | + this.clearHistory(); | |
| 278 | + } | |
| 279 | + } ); | |
| 280 | + } | |
| 281 | + | |
| 282 | + handleSendClick( args ) { | |
| 283 | + args.e.preventDefault(); | |
| 284 | + this.sendMessage( this.elements.inputEl?.value ?? '' ); | |
| 285 | + } | |
| 286 | + | |
| 287 | + handleQuickActionClick( args ) { | |
| 288 | + args.e.preventDefault(); | |
| 289 | + | |
| 290 | + if ( this.activeQuizState?.is_active ) { | |
| 291 | + return; | |
| 292 | + } | |
| 293 | + | |
| 294 | + const btn = args.target.closest( AIAssistantWidget.selectors.quickBtn ); | |
| 295 | + if ( ! btn ) { | |
| 296 | + return; | |
| 297 | + } | |
| 298 | + | |
| 299 | + const action = btn.dataset.lpAiAction; | |
| 300 | + const prompts = { | |
| 301 | + explain: this.config.i18n.explainPrompt, | |
| 302 | + 'quick-quiz': this.config.i18n.quizPrompt, | |
| 303 | + summarize: this.config.i18n.summarizePrompt, | |
| 304 | + 'smart-review': this.config.i18n.smartReviewPrompt, | |
| 305 | + }; | |
| 306 | + | |
| 307 | + const prompt = prompts[ action ]; | |
| 308 | + if ( ! prompt ) { | |
| 309 | + return; | |
| 310 | + } | |
| 311 | + | |
| 312 | + this.openPanel(); | |
| 313 | + this.sendMessage( prompt, action ); | |
| 314 | + } | |
| 315 | + | |
| 316 | + handleQuizOptionClick( args ) { | |
| 317 | + args.e.preventDefault(); | |
| 318 | + if ( this.isRequesting || ! this.activeQuizState?.is_active ) { | |
| 319 | + return; | |
| 320 | + } | |
| 321 | + | |
| 322 | + const btn = args.target.closest( AIAssistantWidget.selectors.quizOptionBtn ); | |
| 323 | + if ( ! btn ) { | |
| 324 | + return; | |
| 325 | + } | |
| 326 | + | |
| 327 | + const answerText = ( btn.dataset.option || btn.textContent || '' ).trim(); | |
| 328 | + if ( ! answerText ) { | |
| 329 | + return; | |
| 330 | + } | |
| 331 | + | |
| 332 | + this.sendMessage( answerText ); | |
| 333 | + } | |
| 334 | + | |
| 335 | + handleInputKeydown( args ) { | |
| 336 | + if ( this.activeQuizState?.is_active ) { | |
| 337 | + return; | |
| 338 | + } | |
| 339 | + | |
| 340 | + if ( args.e.key === 'Enter' && ! args.e.shiftKey ) { | |
| 341 | + args.e.preventDefault(); | |
| 342 | + this.sendMessage( this.elements.inputEl?.value ?? '' ); | |
| 343 | + } | |
| 344 | + } | |
| 345 | + | |
| 346 | + handleEscapeKeydown( args ) { | |
| 347 | + if ( args.e.key !== 'Escape' ) { | |
| 348 | + return; | |
| 349 | + } | |
| 350 | + | |
| 351 | + if ( this.elements.panel && ! this.elements.panel.hidden ) { | |
| 352 | + this.closePanel(); | |
| 353 | + } | |
| 354 | + } | |
| 355 | + | |
| 356 | + getAjaxHandle() { | |
| 357 | + const ajaxHandle = window.lpAJAXG; | |
| 358 | + if ( ! ajaxHandle || typeof ajaxHandle.fetchAJAX !== 'function' ) { | |
| 359 | + return null; | |
| 360 | + } | |
| 361 | + | |
| 362 | + return ajaxHandle; | |
| 363 | + } | |
| 364 | + | |
| 365 | + openPanel() { | |
| 366 | + this.elements.panel.hidden = false; | |
| 367 | + this.root.setAttribute( 'aria-hidden', 'false' ); | |
| 368 | + this.elements.toggleBtn.setAttribute( 'aria-expanded', 'true' ); | |
| 369 | + this.elements.toggleBtn.classList.add( 'is-hidden' ); | |
| 370 | + this.elements.inputEl?.focus(); | |
| 371 | + | |
| 372 | + if ( this.elements.msgList ) { | |
| 373 | + this.elements.msgList.scrollTop = this.elements.msgList.scrollHeight; | |
| 374 | + } | |
| 375 | + } | |
| 376 | + | |
| 377 | + closePanel() { | |
| 378 | + this.elements.panel.hidden = true; | |
| 379 | + this.root.setAttribute( 'aria-hidden', 'true' ); | |
| 380 | + this.elements.toggleBtn.setAttribute( 'aria-expanded', 'false' ); | |
| 381 | + this.elements.toggleBtn.classList.remove( 'is-hidden' ); | |
| 382 | + this.elements.toggleBtn.focus(); | |
| 383 | + } | |
| 384 | + | |
| 385 | + setLoadingState( isLoading ) { | |
| 386 | + this.isRequesting = isLoading; | |
| 387 | + if ( this.elements.sendBtn ) { | |
| 388 | + this.elements.sendBtn.disabled = isLoading; | |
| 389 | + } | |
| 390 | + if ( this.elements.inputEl ) { | |
| 391 | + this.elements.inputEl.disabled = isLoading; | |
| 392 | + } | |
| 393 | + } | |
| 394 | + | |
| 395 | + setQuizInputMode( isQuizActive ) { | |
| 396 | + if ( this.elements.inputArea ) { | |
| 397 | + this.elements.inputArea.classList.toggle( 'lp-ai-assistant__input-area--hidden', isQuizActive ); | |
| 398 | + } | |
| 399 | + | |
| 400 | + if ( this.elements.quickActions ) { | |
| 401 | + this.elements.quickActions.classList.toggle( 'lp-ai-assistant__quick-actions--disabled', isQuizActive ); | |
| 402 | + } | |
| 403 | + } | |
| 404 | + | |
| 405 | + loadHistory() { | |
| 406 | + try { | |
| 407 | + const raw = localStorage.getItem( this.storageKey ); | |
| 408 | + this.history = raw ? JSON.parse( raw ) : []; | |
| 409 | + if ( ! Array.isArray( this.history ) ) { | |
| 410 | + this.history = []; | |
| 411 | + } | |
| 412 | + | |
| 413 | + const lastReview = [ ...this.history ] | |
| 414 | + .reverse() | |
| 415 | + .find( ( item ) => item?.type === 'quiz_review' && item?.review ); | |
| 416 | + this.lastQuizReviewSignature = lastReview?.review | |
| 417 | + ? this.getQuizReviewKey( lastReview.review ) | |
| 418 | + : ''; | |
| 419 | + } catch ( _e ) { | |
| 420 | + this.history = []; | |
| 421 | + this.lastQuizReviewSignature = ''; | |
| 422 | + } | |
| 423 | + } | |
| 424 | + | |
| 425 | + saveHistory() { | |
| 426 | + try { | |
| 427 | + localStorage.setItem( this.storageKey, JSON.stringify( this.history ) ); | |
| 428 | + } catch ( _e ) { | |
| 429 | + // Ignore storage errors. | |
| 430 | + } | |
| 431 | + } | |
| 432 | + | |
| 433 | + clearHistory() { | |
| 434 | + this.history = []; | |
| 435 | + this.activeQuizState = null; | |
| 436 | + this.lastQuizReviewSignature = ''; | |
| 437 | + this.elements.msgList.innerHTML = ''; | |
| 438 | + localStorage.removeItem( this.storageKey ); | |
| 439 | + this.setQuizInputMode( false ); | |
| 440 | + } | |
| 441 | + | |
| 442 | + /** | |
| 443 | + * Create an element with a class and plain text content. | |
| 444 | + * | |
| 445 | + * All assistant content originates from OpenAI output, so it is built through the | |
| 446 | + * DOM API only. Nothing on this path goes through innerHTML: text assigned via | |
| 447 | + * textContent can never become markup, and attributes set via the DOM API can never | |
| 448 | + * break out into a new attribute or event handler. | |
| 449 | + * | |
| 450 | + * @param {string} tag Tag name. | |
| 451 | + * @param {string} className Class attribute. | |
| 452 | + * @param {string} text Text content. | |
| 453 | + * @return {HTMLElement} The created element. | |
| 454 | + */ | |
| 455 | + createEl( tag, className, text = '' ) { | |
| 456 | + const el = document.createElement( tag ); | |
| 457 | + if ( className ) { | |
| 458 | + el.className = className; | |
| 459 | + } | |
| 460 | + if ( text !== '' ) { | |
| 461 | + el.textContent = String( text ); | |
| 462 | + } | |
| 463 | + return el; | |
| 464 | + } | |
| 465 | + | |
| 466 | + appendMessage( role, text ) { | |
| 467 | + const el = this.createEl( 'div', `lp-ai-assistant__msg lp-ai-assistant__msg--${ role }` ); | |
| 468 | + const label = role === 'user' ? this.config.i18n.you : this.config.i18n.assistant; | |
| 469 | + | |
| 470 | + el.appendChild( this.createEl( 'span', 'lp-ai-assistant__msg-label', label ) ); | |
| 471 | + el.appendChild( this.createEl( 'p', 'lp-ai-assistant__msg-text', text ) ); | |
| 472 | + | |
| 473 | + this.elements.msgList.appendChild( el ); | |
| 474 | + this.elements.msgList.scrollTop = this.elements.msgList.scrollHeight; | |
| 475 | + return el; | |
| 476 | + } | |
| 477 | + | |
| 478 | + renderHistoryToDOM() { | |
| 479 | + this.elements.msgList.innerHTML = ''; | |
| 480 | + this.history.forEach( ( message ) => { | |
| 481 | + if ( message?.type === 'quiz_review' && message?.review ) { | |
| 482 | + this.appendQuizReviewCard( message.review ); | |
| 483 | + return; | |
| 484 | + } | |
| 485 | + | |
| 486 | + if ( ! message || ! [ 'user', 'assistant' ].includes( message.role ) ) { | |
| 487 | + return; | |
| 488 | + } | |
| 489 | + | |
| 490 | + this.appendMessage( message.role, message.content || '' ); | |
| 491 | + } ); | |
| 492 | + | |
| 493 | + this.renderQuizState(); | |
| 494 | + } | |
| 495 | + | |
| 496 | + getQuizReviewFromState( quiz ) { | |
| 497 | + if ( ! quiz || ! quiz.feedback || typeof quiz.feedback !== 'object' ) { | |
| 498 | + return null; | |
| 499 | + } | |
| 500 | + | |
| 501 | + const currentIndex = Number.parseInt( quiz.current_index || 0, 10 ); | |
| 502 | + const questionIndex = Math.max( 0, currentIndex - 1 ); | |
| 503 | + const question = quiz.questions?.[ questionIndex ]; | |
| 504 | + if ( ! question || ! Array.isArray( question.options ) ) { | |
| 505 | + return null; | |
| 506 | + } | |
| 507 | + | |
| 508 | + const selectedIndex = Number.parseInt( quiz.feedback.selected_index ?? -1, 10 ); | |
| 509 | + const correctIndex = Number.parseInt( quiz.feedback.correct_index ?? -1, 10 ); | |
| 510 | + | |
| 511 | + return { | |
| 512 | + question_index: questionIndex, | |
| 513 | + total: Number.parseInt( quiz.total || question.options.length || 0, 10 ), | |
| 514 | + question: question.question || '', | |
| 515 | + options: question.options, | |
| 516 | + selected_index: selectedIndex, | |
| 517 | + correct_index: correctIndex, | |
| 518 | + is_correct: !! quiz.feedback.is_correct, | |
| 519 | + explanation: quiz.feedback.explanation || '', | |
| 520 | + }; | |
| 521 | + } | |
| 522 | + | |
| 523 | + getQuizReviewKey( review ) { | |
| 524 | + return [ | |
| 525 | + review.question_index, | |
| 526 | + review.total, | |
| 527 | + review.selected_index, | |
| 528 | + review.correct_index, | |
| 529 | + review.is_correct ? 1 : 0, | |
| 530 | + ].join( '|' ); | |
| 531 | + } | |
| 532 | + | |
| 533 | + pushQuizReviewToHistory( review ) { | |
| 534 | + const reviewKey = this.getQuizReviewKey( review ); | |
| 535 | + if ( reviewKey === this.lastQuizReviewSignature ) { | |
| 536 | + return false; | |
| 537 | + } | |
| 538 | + this.lastQuizReviewSignature = reviewKey; | |
| 539 | + | |
| 540 | + this.history.push( { | |
| 541 | + type: 'quiz_review', | |
| 542 | + review, | |
| 543 | + } ); | |
| 544 | + this.saveHistory(); | |
| 545 | + | |
| 546 | + return true; | |
| 547 | + } | |
| 548 | + | |
| 549 | + /** | |
| 550 | + * Build one quiz option button. | |
| 551 | + * | |
| 552 | + * @param {string} option Option text from model output. | |
| 553 | + * @param {number} index Zero-based option index. | |
| 554 | + * @param {string[]} extraClasses Additional state classes. | |
| 555 | + * @return {HTMLButtonElement} The option button. | |
| 556 | + */ | |
| 557 | + buildQuizOption( option, index, extraClasses = [] ) { | |
| 558 | + const classes = [ 'lp-ai-assistant__quiz-option', ...extraClasses ].join( ' ' ); | |
| 559 | + const letter = String.fromCharCode( 65 + index ); | |
| 560 | + | |
| 561 | + const btn = this.createEl( 'button', classes, `${ letter }. ${ String( option ) }` ); | |
| 562 | + btn.type = 'button'; | |
| 563 | + | |
| 564 | + return btn; | |
| 565 | + } | |
| 566 | + | |
| 567 | + buildQuizReviewOptions( review ) { | |
| 568 | + const options = Array.isArray( review.options ) ? review.options : []; | |
| 569 | + | |
| 570 | + return options.map( ( option, index ) => { | |
| 571 | + const classes = []; | |
| 572 | + if ( index === review.correct_index ) { | |
| 573 | + classes.push( 'is-correct-answer' ); | |
| 574 | + } | |
| 575 | + | |
| 576 | + if ( index === review.selected_index ) { | |
| 577 | + classes.push( review.is_correct ? 'is-selected-correct' : 'is-selected-wrong' ); | |
| 578 | + } | |
| 579 | + | |
| 580 | + const btn = this.buildQuizOption( option, index, classes ); | |
| 581 | + btn.disabled = true; | |
| 582 | + | |
| 583 | + return btn; | |
| 584 | + } ); | |
| 585 | + } | |
| 586 | + | |
| 587 | + appendQuizReviewCard( review ) { | |
| 588 | + const card = this.createEl( 'div', 'lp-ai-assistant__quiz-card lp-ai-assistant__quiz-card--review' ); | |
| 589 | + card.dataset.reviewKey = this.getQuizReviewKey( review ); | |
| 590 | + | |
| 591 | + const optionCount = Array.isArray( review.options ) ? review.options.length : 0; | |
| 592 | + const total = review.total || optionCount; | |
| 593 | + | |
| 594 | + card.appendChild( | |
| 595 | + this.createEl( 'div', 'lp-ai-assistant__quiz-head', `Question ${ review.question_index + 1 }/${ total }` ) | |
| 596 | + ); | |
| 597 | + card.appendChild( this.createEl( 'div', 'lp-ai-assistant__quiz-question', review.question || '' ) ); | |
| 598 | + | |
| 599 | + const optionsEl = this.createEl( 'div', 'lp-ai-assistant__quiz-options' ); | |
| 600 | + this.buildQuizReviewOptions( review ).forEach( ( btn ) => optionsEl.appendChild( btn ) ); | |
| 601 | + card.appendChild( optionsEl ); | |
| 602 | + | |
| 603 | + const feedbackClass = review.is_correct ? 'is-correct' : 'is-wrong'; | |
| 604 | + const feedbackEl = this.createEl( 'div', `lp-ai-assistant__quiz-feedback ${ feedbackClass }` ); | |
| 605 | + feedbackEl.appendChild( | |
| 606 | + this.createEl( | |
| 607 | + 'strong', | |
| 608 | + '', | |
| 609 | + review.is_correct ? this.config.i18n.quizCorrectTitle : this.config.i18n.quizWrongTitle | |
| 610 | + ) | |
| 611 | + ); | |
| 612 | + | |
| 613 | + if ( review.explanation ) { | |
| 614 | + feedbackEl.appendChild( this.createEl( 'div', '', review.explanation ) ); | |
| 615 | + } | |
| 616 | + | |
| 617 | + card.appendChild( feedbackEl ); | |
| 618 | + | |
| 619 | + this.elements.msgList.appendChild( card ); | |
| 620 | + } | |
| 621 | + | |
| 622 | + renderQuizState() { | |
| 623 | + const oldActiveQuizCard = this.elements.msgList.querySelector( '.lp-ai-assistant__quiz-card--active' ); | |
| 624 | + if ( oldActiveQuizCard ) { | |
| 625 | + oldActiveQuizCard.remove(); | |
| 626 | + } | |
| 627 | + | |
| 628 | + if ( ! this.activeQuizState || ! this.activeQuizState.questions ) { | |
| 629 | + this.setQuizInputMode( false ); | |
| 630 | + return; | |
| 631 | + } | |
| 632 | + | |
| 633 | + const quiz = this.activeQuizState; | |
| 634 | + const review = this.getQuizReviewFromState( quiz ); | |
| 635 | + if ( review ) { | |
| 636 | + if ( this.pushQuizReviewToHistory( review ) ) { | |
| 637 | + this.appendQuizReviewCard( review ); | |
| 638 | + } | |
| 639 | + } | |
| 640 | + | |
| 641 | + if ( ! quiz.is_active ) { | |
| 642 | + this.setQuizInputMode( false ); | |
| 643 | + return; | |
| 644 | + } | |
| 645 | + | |
| 646 | + const currentIndex = Number.parseInt( quiz.current_index || 0, 10 ); | |
| 647 | + const question = quiz.questions?.[ currentIndex ]; | |
| 648 | + if ( ! question ) { | |
| 649 | + this.setQuizInputMode( false ); | |
| 650 | + return; | |
| 651 | + } | |
| 652 | + | |
| 653 | + const card = this.createEl( 'div', 'lp-ai-assistant__quiz-card lp-ai-assistant__quiz-card--active' ); | |
| 654 | + const options = Array.isArray( question.options ) ? question.options : []; | |
| 655 | + | |
| 656 | + card.appendChild( | |
| 657 | + this.createEl( | |
| 658 | + 'div', | |
| 659 | + 'lp-ai-assistant__quiz-head', | |
| 660 | + `Question ${ currentIndex + 1 }/${ quiz.total || options.length }` | |
| 661 | + ) | |
| 662 | + ); | |
| 663 | + card.appendChild( this.createEl( 'div', 'lp-ai-assistant__quiz-question', question.question || '' ) ); | |
| 664 | + | |
| 665 | + const optionsEl = this.createEl( 'div', 'lp-ai-assistant__quiz-options' ); | |
| 666 | + options.forEach( ( option, index ) => { | |
| 667 | + const btn = this.buildQuizOption( option, index ); | |
| 668 | + | |
| 669 | + // Assigned through dataset, never interpolated into an HTML attribute — model | |
| 670 | + // output containing a quote cannot open a new attribute or event handler. | |
| 671 | + btn.dataset.index = String( index ); | |
| 672 | + btn.dataset.option = String( option ); | |
| 673 | + | |
| 674 | + optionsEl.appendChild( btn ); | |
| 675 | + } ); | |
| 676 | + card.appendChild( optionsEl ); | |
| 677 | + | |
| 678 | + this.elements.msgList.appendChild( card ); | |
| 679 | + this.setQuizInputMode( true ); | |
| 680 | + } | |
| 681 | + | |
| 682 | + scrollToMessageStart( messageEl ) { | |
| 683 | + const msgList = this.elements.msgList; | |
| 684 | + if ( ! msgList || ! messageEl || ! msgList.contains( messageEl ) ) { | |
| 685 | + return; | |
| 686 | + } | |
| 687 | + | |
| 688 | + msgList.scrollTop = Math.max( 0, messageEl.offsetTop - 8 ); | |
| 689 | + } | |
| 690 | + | |
| 691 | + sendMessage( message, actionHint = '' ) { | |
| 692 | + const text = ( message || '' ).trim(); | |
| 693 | + if ( this.isRequesting || ! text ) { | |
| 694 | + return; | |
| 695 | + } | |
| 696 | + | |
| 697 | + const ajaxHandle = this.getAjaxHandle(); | |
| 698 | + if ( ! ajaxHandle ) { | |
| 699 | + this.appendMessage( 'assistant', this.config.i18n.sendError ); | |
| 700 | + return; | |
| 701 | + } | |
| 702 | + | |
| 703 | + this.appendMessage( 'user', text ); | |
| 704 | + | |
| 705 | + const contextHistory = this.history.slice(); | |
| 706 | + this.history.push( { role: 'user', content: text } ); | |
| 707 | + this.saveHistory(); | |
| 708 | + if ( this.elements.inputEl ) { | |
| 709 | + this.elements.inputEl.value = ''; | |
| 710 | + } | |
| 711 | + | |
| 712 | + const pendingEl = this.appendMessage( 'assistant', this.config.i18n.thinking ); | |
| 713 | + const pendingTextEl = pendingEl.querySelector( '.lp-ai-assistant__msg-text' ); | |
| 714 | + this.setLoadingState( true ); | |
| 715 | + | |
| 716 | + const dataSend = { | |
| 717 | + action: 'openai_assistant_chat', | |
| 718 | + message: text, | |
| 719 | + // Composite item identity — all three legs are required server-side. | |
| 720 | + course_id: this.config.courseId, | |
| 721 | + item_type: this.config.itemType, | |
| 722 | + item_id: this.config.itemId, | |
| 723 | + history: contextHistory, | |
| 724 | + active_quiz_questions: this.activeQuizState || [], | |
| 725 | + action_hint: typeof actionHint === 'string' ? actionHint : '', | |
| 726 | + }; | |
| 727 | + | |
| 728 | + const callBack = { | |
| 729 | + success: ( response ) => { | |
| 730 | + if ( response?.status === 'success' && response?.data ) { | |
| 731 | + pendingTextEl.textContent = response.data.message || ''; | |
| 732 | + | |
| 733 | + if ( response?.data?.type === 'quiz' ) { | |
| 734 | + this.activeQuizState = response?.data?.quiz || null; | |
| 735 | + this.renderQuizState(); | |
| 736 | + | |
| 737 | + const isQuizCompleted = !! this.activeQuizState?.completed || this.activeQuizState?.is_active === false; | |
| 738 | + if ( isQuizCompleted && this.elements.msgList?.contains( pendingEl ) ) { | |
| 739 | + // Keep completion feedback after the last review card. | |
| 740 | + this.elements.msgList.appendChild( pendingEl ); | |
| 741 | + } | |
| 742 | + } else { | |
| 743 | + this.activeQuizState = null; | |
| 744 | + this.renderQuizState(); | |
| 745 | + } | |
| 746 | + | |
| 747 | + this.history.push( { role: 'assistant', content: response.data.message } ); | |
| 748 | + this.saveHistory(); | |
| 749 | + } else { | |
| 750 | + this.activeQuizState = null; | |
| 751 | + this.renderQuizState(); | |
| 752 | + pendingTextEl.textContent = response?.message || this.config.i18n.sendError; | |
| 753 | + } | |
| 754 | + }, | |
| 755 | + error: () => { | |
| 756 | + this.activeQuizState = null; | |
| 757 | + this.renderQuizState(); | |
| 758 | + pendingTextEl.textContent = this.config.i18n.sendError; | |
| 759 | + }, | |
| 760 | + completed: () => { | |
| 761 | + this.setLoadingState( false ); | |
| 762 | + this.scrollToMessageStart( pendingEl ); | |
| 763 | + }, | |
| 764 | + }; | |
| 765 | + | |
| 766 | + ajaxHandle.fetchAJAX( dataSend, callBack ); | |
| 767 | + } | |
| 768 | +} | |
| 769 | + | |
| 770 | +const aiAssistantWidget = new AIAssistantWidget(); | |
| 771 | +lpUtils.lpOnElementReady( AIAssistantWidget.selectors.root, () => { | |
| 772 | + aiAssistantWidget.init(); | |
| 773 | +} ); | |
