1<?php 2/** 3 * DokuWiki Plugin dokullm (Action Component) 4 * 5 * @license GPL 2 http://www.gnu.org/licenses/gpl-2.0.html 6 * @author Costin Stroie <costinstroie@eridu.eu.org> 7 */ 8 9// must be run within Dokuwiki 10if (!defined('DOKU_INC')) { 11 die(); 12} 13 14/** 15 * Main action component for the dokullm plugin 16 * 17 * This class handles: 18 * - Registering event handlers for page rendering and AJAX calls 19 * - Adding JavaScript to edit pages 20 * - Processing AJAX requests from the frontend 21 * - Handling page template loading with metadata support 22 * - Adding copy page button to page tools 23 * 24 * The plugin provides integration with LLM APIs for text processing 25 * operations directly within the DokuWiki editor. 26 * 27 * Configuration options: 28 * - api_url: The LLM API endpoint URL 29 * - api_key: Authentication key for the API (optional) 30 * - model: The model identifier to use for requests 31 * - timeout: Request timeout in seconds 32 * - profile: Profile for prompt templates 33 * - temperature: Temperature setting for response randomness (0.0-1.0) 34 * - top_p: Top-p (nucleus sampling) setting (0.0-1.0) 35 * - top_k: Top-k setting (integer >= 1) 36 * - min_p: Minimum probability threshold (0.0-1.0) 37 * - think: Whether to enable thinking in LLM responses (boolean) 38 * - show_copy_button: Whether to show the copy page button (boolean) 39 * - replace_id: Whether to replace template ID when copying (boolean) 40 */ 41class action_plugin_dokullm extends DokuWiki_Action_Plugin 42{ 43 /** 44 * Register the event handlers for this plugin 45 * 46 * Hooks into: 47 * - TPL_METAHEADER_OUTPUT: To add JavaScript to edit pages 48 * - AJAX_CALL_UNKNOWN: To handle plugin-specific AJAX requests 49 * 50 * @param Doku_Event_Handler $controller The event handler controller 51 */ 52 public function register(Doku_Event_Handler $controller) 53 { 54 $controller->register_hook('DOKUWIKI_STARTED', 'AFTER', $this, 'handleDokuwikiStarted'); 55 $controller->register_hook('TPL_METAHEADER_OUTPUT', 'BEFORE', $this, 'handleMetaHeaders'); 56 $controller->register_hook('AJAX_CALL_UNKNOWN', 'BEFORE', $this, 'handleAjax'); 57 $controller->register_hook('COMMON_PAGETPL_LOAD', 'BEFORE', $this, 'handleTemplate'); 58 $controller->register_hook('MENU_ITEMS_ASSEMBLY', 'AFTER', $this, 'addCopyPageButton', array()); 59 $controller->register_hook('INDEXER_TASKS_RUN', 'AFTER', $this, 'handlePageSave'); 60 } 61 62 /** 63 * Insert metadata line after the first title in DokuWiki format 64 * 65 * If the first line starts with '=', insert the metadata after it. 66 * Otherwise, insert at the very beginning. 67 * 68 * @param string $text The text content 69 * @param string $metadataLine The metadata line to insert 70 * @return string The text with metadata inserted 71 */ 72 private function insertMetadataAfterTitle($text, $metadataLine) { 73 // Check if the first line is a title (starts with = in DokuWiki) 74 $lines = explode("\n", $text); 75 if (count($lines) > 0 && trim($lines[0]) !== '' && trim($lines[0])[0] === '=') { 76 // Insert after the first line (the title) 77 array_splice($lines, 1, 0, $metadataLine); 78 return implode("\n", $lines); 79 } else { 80 // Insert at the very beginning 81 return $metadataLine . "\n" . $text; 82 } 83 } 84 85 /** 86 * Add JavaScript to the page header for edit pages 87 * 88 * This method checks if we're on an edit or preview page and adds 89 * the plugin's JavaScript file to the page header. 90 * 91 * @param Doku_Event $event The event object 92 * @param mixed $param Additional parameters 93 */ 94 public function handleMetaHeaders(Doku_Event $event, $param) 95 { 96 global $INFO; 97 98 // Only add JS to edit pages 99 if ($INFO['act'] == 'edit' || $INFO['act'] == 'preview') { 100 $event->data['script'][] = array( 101 'type' => 'text/javascript', 102 'src' => DOKU_BASE . 'lib/plugins/dokullm/script.js', 103 '_data' => 'dokullm' 104 ); 105 } 106 } 107 108 /** 109 * Add dokullm configuration to JSINFO 110 * 111 * @param Doku_Event $event The event object 112 * @param mixed $param Additional parameters 113 */ 114 public function handleDokuwikiStarted(Doku_Event $event, $param) 115 { 116 global $JSINFO; 117 118 if (!isset($JSINFO['plugins'])) { 119 $JSINFO['plugins'] = []; 120 } 121 122 $JSINFO['plugins']['dokullm'] = [ 123 'enable_chromadb' => $this->getConf('enable_chromadb') 124 ]; 125 } 126 127 /** 128 * Handle AJAX requests for the plugin 129 * 130 * Processes AJAX calls with the identifier 'plugin_dokullm' and 131 * routes them to the appropriate text processing method. 132 * 133 * @param Doku_Event $event The event object 134 * @param mixed $param Additional parameters 135 */ 136 public function handleAjax(Doku_Event $event, $param) 137 { 138 if ($event->data !== 'plugin_dokullm') { 139 return; 140 } 141 142 $event->stopPropagation(); 143 $event->preventDefault(); 144 145 // Handle the AJAX request 146 $this->processRequest(); 147 } 148 149 /** 150 * Process the AJAX request and return JSON response 151 * 152 * Extracts action, text, prompt, metadata, and template parameters from the request, 153 * validates the input, and calls the appropriate processing method. 154 * Returns JSON encoded result or error. 155 * 156 * @return void 157 */ 158 private function processRequest() 159 { 160 global $INPUT; 161 162 // Get form data 163 $action = $INPUT->str('action'); 164 $text = $INPUT->str('text'); 165 $prompt = $INPUT->str('prompt', ''); 166 $template = $INPUT->str('template', ''); 167 $examples = $INPUT->str('examples', ''); 168 $previous = $INPUT->str('previous', ''); 169 170 // Parse examples - split by newline and filter out empty lines 171 $examplesList = array_filter(array_map('trim', explode("\n", $examples))); 172 173 // Create metadata object with prompt, template, examples, and previous 174 $metadata = [ 175 'prompt' => $prompt, 176 'template' => $template, 177 'examples' => $examplesList, 178 'previous' => $previous 179 ]; 180 181 // Handle the special case of get_actions action 182 if ($action === 'get_actions') { 183 try { 184 $actions = $this->getActions(); 185 echo json_encode(['result' => $actions]); 186 } catch (Exception $e) { 187 http_status(500); 188 echo json_encode(['error' => $e->getMessage()]); 189 } 190 return; 191 } 192 193 // Handle the special case of get_template action 194 if ($action === 'get_template') { 195 try { 196 $templateId = $template; 197 $templateContent = $this->getPageContent($templateId); 198 if ($templateContent === false) { 199 throw new Exception('Template not found: ' . $templateId); 200 } 201 echo json_encode(['result' => ['content' => $templateContent]]); 202 } catch (Exception $e) { 203 http_status(500); 204 echo json_encode(['error' => $e->getMessage()]); 205 } 206 return; 207 } 208 209 // Handle the special case of find_template action 210 if ($action === 'find_template') { 211 try { 212 $searchText = $INPUT->str('text'); 213 $template = $this->findTemplate($searchText); 214 if (!empty($template)) { 215 echo json_encode(['result' => ['template' => $template[0]]]); 216 } else { 217 echo json_encode(['result' => ['template' => null]]); 218 } 219 } catch (Exception $e) { 220 http_status(500); 221 echo json_encode(['error' => $e->getMessage()]); 222 } 223 return; 224 } 225 226 // Validate input 227 if (empty($text)) { 228 http_status(400); 229 echo json_encode(['error' => 'No text provided']); 230 return; 231 } 232 233 234 // Create ChromaDB client only if enabled 235 $chromaClient = null; 236 if ($this->getConf('enable_chromadb')) { 237 $chromaClient = new \dokuwiki\plugin\dokullm\ChromaDBClient( 238 $this->getConf('chroma_host'), 239 $this->getConf('chroma_port'), 240 $this->getConf('chroma_tenant'), 241 $this->getConf('chroma_database'), 242 $this->getConf('chroma_collection'), 243 $this->getConf('ollama_host'), 244 $this->getConf('ollama_port'), 245 $this->getConf('ollama_embeddings_model') 246 ); 247 } else { 248 $chromaClient = null; 249 } 250 251 $client = new \dokuwiki\plugin\dokullm\LlmClient( 252 $this->getConf('api_url'), 253 $this->getConf('api_key'), 254 $this->getConf('model'), 255 $this->getConf('timeout'), 256 $this->getConf('temperature'), 257 $this->getConf('top_p'), 258 $this->getConf('top_k'), 259 $this->getConf('min_p'), 260 $this->getConf('think', false), 261 $this->getConf('profile', 'default'), 262 $chromaClient, 263 $ID 264 ); 265 try { 266 switch ($action) { 267 case 'custom': 268 $result = $client->processCustomPrompt($text, $metadata); 269 default: 270 $result = $client->process($action, $text, $metadata); 271 } 272 echo json_encode(['result' => $result]); 273 } catch (Exception $e) { 274 http_status(500); 275 echo json_encode(['error' => $e->getMessage()]); 276 } 277 } 278 279 /** 280 * Get action definitions from the DokuWiki table at dokullm:profiles:PROFILE 281 * 282 * Parses the table containing action definitions with the following columns: 283 * 284 * - ID: The action identifier, which corresponds to the prompt name 285 * - Label: The text displayed on the button 286 * - Description: A detailed description of the action, used as a tooltip 287 * - Icon: The icon displayed on the button (can be empty) 288 * - Result: The action to perform with the LLM result: 289 * - show: Display the result in a modal dialog 290 * - append: Add the result to the end of the current content 291 * - replace: Replace the selected content with the result 292 * - insert: Insert the result at the cursor position 293 * 294 * The parsing stops after the first table ends to avoid processing 295 * additional tables that might contain disabled or work-in-progress commands. 296 * 297 * The ID can be either: 298 * - A simple word (e.g., "summary") 299 * - A link to a page in the profile namespace (e.g., "[[.:default:summarize]]") 300 * 301 * For page links, the actual ID is extracted as the last part after the final ':' 302 * 303 * @return array Array of action definitions, each containing: 304 * - id: string, the action identifier 305 * - label: string, the button label 306 * - description: string, the action description 307 * - icon: string, the icon name 308 * - result: string, the result handling method 309 */ 310 private function getActions() 311 { 312 // Get the content of the profile page 313 $profile = $this->getConf('profile', 'default'); 314 $content = $this->getPageContent('dokullm:profiles:' . $profile); 315 316 if ($content === false) { 317 // Return empty list if page doesn't exist 318 return []; 319 } 320 321 // Parse the table from the page content 322 $actions = []; 323 $lines = explode("\n", $content); 324 $inTable = false; 325 326 foreach ($lines as $line) { 327 // Check if this is a table row 328 if (preg_match('/^\|\s*([^\|]+)\s*\|\s*([^\|]+)\s*\|\s*([^\|]+)\s*\|\s*([^\|]+)\s*\|\s*([^\|]+)\s*\|$/', $line, $matches)) { 329 $inTable = true; 330 331 // Skip header row 332 if (trim($matches[1]) === 'ID' || trim($matches[1]) === 'id') { 333 continue; 334 } 335 336 // Extract ID from either simple text or page link 337 $rawId = trim($matches[1]); 338 $id = $rawId; 339 340 // Check if ID is a page link in format [[namespace:page]] or [[.:namespace:page]] 341 if (preg_match('/\[\[\.?:?([^\]]+)\]\]/', $rawId, $linkMatches)) { 342 // Extract the actual page path 343 $pagePath = $linkMatches[1]; 344 // Get the last part after the final ':' as the ID 345 $pathParts = explode(':', $pagePath); 346 $id = end($pathParts); 347 } 348 349 $actions[] = [ 350 'id' => $id, 351 'label' => trim($matches[2]), 352 'description' => trim($matches[3]), 353 'icon' => trim($matches[4]), 354 'result' => trim($matches[5]) 355 ]; 356 } else if ($inTable) { 357 // We've exited the table, so stop parsing 358 break; 359 } 360 } 361 362 return $actions; 363 } 364 365 /** 366 * Get the content of a DokuWiki page 367 * 368 * Retrieves the raw content of a DokuWiki page by its ID. 369 * Used for loading template and example page content for context. 370 * 371 * @param string $pageId The page ID to retrieve 372 * @return string|false The page content or false if not found/readable 373 */ 374 private function getPageContent($pageId) 375 { 376 // Convert page ID to file path 377 $pageFile = wikiFN($pageId); 378 379 // Check if file exists and is readable 380 if (file_exists($pageFile) && is_readable($pageFile)) { 381 return file_get_contents($pageFile); 382 } 383 384 return false; 385 } 386 387 388 /** 389 * Find an appropriate template based on the provided text 390 * 391 * Uses ChromaDB to search for the most relevant template based on the content. 392 * 393 * @param string $text The text to use for finding a template 394 * @return array The template ID array or empty array if none found 395 * @throws Exception If an error occurs during the search 396 */ 397 private function findTemplate($text) { 398 try { 399 // Create ChromaDB client only if enabled 400 $chromaClient = null; 401 if ($this->getConf('enable_chromadb')) { 402 $chromaClient = new \dokuwiki\plugin\dokullm\ChromaDBClient( 403 $this->getConf('chroma_host'), 404 $this->getConf('chroma_port'), 405 $this->getConf('chroma_tenant'), 406 $this->getConf('chroma_database'), 407 $this->getConf('chroma_collection'), 408 $this->getConf('ollama_host'), 409 $this->getConf('ollama_port'), 410 $this->getConf('ollama_embeddings_model') 411 ); 412 } 413 414 $client = new \dokuwiki\plugin\dokullm\LlmClient( 415 $this->getConf('api_url'), 416 $this->getConf('api_key'), 417 $this->getConf('model'), 418 $this->getConf('timeout'), 419 $this->getConf('temperature'), 420 $this->getConf('top_p'), 421 $this->getConf('top_k'), 422 $this->getConf('min_p'), 423 $this->getConf('think', false), 424 $this->getConf('profile', 'default'), 425 $chromaClient, 426 $ID 427 ); 428 429 // Query ChromaDB for the most relevant template 430 $template = $client->queryChromaDBTemplate($text); 431 432 return $template; 433 } catch (Exception $e) { 434 throw new Exception('Error finding template: ' . $e->getMessage()); 435 } 436 } 437 438 439 /** 440 * Handle page save event and send page to ChromaDB 441 * 442 * This method is triggered after a page is saved and sends the page content 443 * to ChromaDB for indexing. 444 * 445 * @param Doku_Event $event The event object 446 * @param mixed $param Additional parameters 447 */ 448 public function handlePageSave(Doku_Event $event, $param) 449 { 450 global $ID; 451 452 // Only process if we have a valid page ID 453 if (empty($ID)) { 454 return; 455 } 456 457 // Get the page content 458 $content = rawWiki($ID); 459 460 // Skip empty pages 461 if (empty($content)) { 462 return; 463 } 464 465 try { 466 // Send page to ChromaDB 467 $this->sendPageToChromaDB($ID, $content); 468 } catch (Exception $e) { 469 // Log error but don't stop execution 470 \dokuwiki\Logger::error('dokullm: Error sending page to ChromaDB: ' . $e->getMessage()); 471 } 472 } 473 474 475 /** 476 * Send page content to ChromaDB 477 * 478 * @param string $pageId The page ID 479 * @param string $content The page content 480 * @return void 481 */ 482 private function sendPageToChromaDB($pageId, $content) 483 { 484 // Skip if ChromaDB is disabled 485 if (!$this->getConf('enable_chromadb')) { 486 return; 487 } 488 489 // Convert page ID to file path format for ChromaDB 490 $filePath = wikiFN($pageId); 491 492 try { 493 // Get configuration values 494 $chromaHost = $this->getConf('chroma_host'); 495 $chromaPort = $this->getConf('chroma_port'); 496 $chromaTenant = $this->getConf('chroma_tenant'); 497 $chromaDatabase = $this->getConf('chroma_database'); 498 $ollamaHost = $this->getConf('ollama_host'); 499 $ollamaPort = $this->getConf('ollama_port'); 500 $ollamaModel = $this->getConf('ollama_embeddings_model'); 501 502 // Use the existing ChromaDB client to process the file 503 $chroma = new \dokuwiki\plugin\dokullm\ChromaDBClient( 504 $chromaHost, 505 $chromaPort, 506 $chromaTenant, 507 $chromaDatabase, 508 $this->getConf('chroma_collection'), 509 $ollamaHost, 510 $ollamaPort, 511 $ollamaModel 512 ); 513 514 // Use the first part of the document ID as collection name, fallback to 'documents' 515 $idParts = explode(':', $pageId); 516 $collectionName = isset($idParts[0]) && !empty($idParts[0]) ? $idParts[0] : 'documents'; 517 518 // Process the file directly 519 $result = $chroma->processSingleFile($filePath, $collectionName, false); 520 521 // Log success or failure 522 if ($result['status'] === 'success') { 523 \dokuwiki\Logger::debug('dokullm: Successfully sent page to ChromaDB: ' . $pageId); 524 } else if ($result['status'] === 'skipped') { 525 \dokuwiki\Logger::debug('dokullm: Skipped sending page to ChromaDB: ' . $pageId . ' - ' . $result['message']); 526 } else { 527 \dokuwiki\Logger::error('dokullm: Error sending page to ChromaDB: ' . $pageId . ' - ' . $result['message']); 528 } 529 } catch (Exception $e) { 530 throw $e; 531 } 532 } 533 534 535 /** 536 * Handler to load page template. 537 * 538 * @param Doku_Event $event event object by reference 539 * @param mixed $param [the parameters passed as fifth argument to register_hook() when this 540 * handler was registered] 541 * @return void 542 */ 543 public function handleTemplate(Doku_Event &$event, $param) { 544 if (strlen($_REQUEST['copyfrom']) > 0) { 545 $template_id = $_REQUEST['copyfrom']; 546 if (auth_quickaclcheck($template_id) >= AUTH_READ) { 547 $tpl = io_readFile(wikiFN($template_id)); 548 if ($this->getConf('replace_id')) { 549 $id = $event->data['id']; 550 $tpl = str_replace($template_id, $id, $tpl); 551 } 552 // Add LLM_TEMPLATE metadata if the original page ID contains 'template' 553 if (strpos($template_id, 'template') !== false) { 554 $tpl = $this->insertMetadataAfterTitle($tpl, '~~LLM_TEMPLATE:' . $template_id . '~~'); 555 } 556 $event->data['tpl'] = $tpl; 557 $event->preventDefault(); 558 } 559 } 560 } 561 562 563 564 /** 565 * Add 'Copy page' button to page tools, SVG based 566 * 567 * @param Doku_Event $event 568 */ 569 public function addCopyPageButton(Doku_Event $event) 570 { 571 global $INFO; 572 if ($event->data['view'] != 'page' || !$this->getConf('show_copy_button')) { 573 return; 574 } 575 if (! $INFO['exists']) { 576 return; 577 } 578 array_splice($event->data['items'], -1, 0, [new \dokuwiki\plugin\dokullm\MenuItem()]); 579 } 580} 581