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1 <?php 2 3 // This file is part of Moodle - http://moodle.org/ 4 // 5 // Moodle is free software: you can redistribute it and/or modify 6 // it under the terms of the GNU General Public License as published by 7 // the Free Software Foundation, either version 3 of the License, or 8 // (at your option) any later version. 9 // 10 // Moodle is distributed in the hope that it will be useful, 11 // but WITHOUT ANY WARRANTY; without even the implied warranty of 12 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 // GNU General Public License for more details. 14 // 15 // You should have received a copy of the GNU General Public License 16 // along with Moodle. If not, see <http://www.gnu.org/licenses/>. 17 18 /** 19 * @package mod_forum 20 * @copyright 1999 onwards Martin Dougiamas {@link http://moodle.com} 21 * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later 22 */ 23 24 require_once('../../config.php'); 25 require_once ('lib.php'); 26 27 $id = required_param('id', PARAM_INT); // course id 28 $search = trim(optional_param('search', '', PARAM_NOTAGS)); // search string 29 $page = optional_param('page', 0, PARAM_INT); // which page to show 30 $perpage = optional_param('perpage', 10, PARAM_INT); // how many per page 31 $showform = optional_param('showform', 0, PARAM_INT); // Just show the form 32 33 $user = trim(optional_param('user', '', PARAM_NOTAGS)); // Names to search for 34 $userid = trim(optional_param('userid', 0, PARAM_INT)); // UserID to search for 35 $forumid = trim(optional_param('forumid', 0, PARAM_INT)); // ForumID to search for 36 $subject = trim(optional_param('subject', '', PARAM_NOTAGS)); // Subject 37 $phrase = trim(optional_param('phrase', '', PARAM_NOTAGS)); // Phrase 38 $words = trim(optional_param('words', '', PARAM_NOTAGS)); // Words 39 $fullwords = trim(optional_param('fullwords', '', PARAM_NOTAGS)); // Whole words 40 $notwords = trim(optional_param('notwords', '', PARAM_NOTAGS)); // Words we don't want 41 42 $timefromrestrict = optional_param('timefromrestrict', 0, PARAM_INT); // Use starting date 43 $fromday = optional_param('fromday', 0, PARAM_INT); // Starting date 44 $frommonth = optional_param('frommonth', 0, PARAM_INT); // Starting date 45 $fromyear = optional_param('fromyear', 0, PARAM_INT); // Starting date 46 $fromhour = optional_param('fromhour', 0, PARAM_INT); // Starting date 47 $fromminute = optional_param('fromminute', 0, PARAM_INT); // Starting date 48 if ($timefromrestrict) { 49 $calendartype = \core_calendar\type_factory::get_calendar_instance(); 50 $gregorianfrom = $calendartype->convert_to_gregorian($fromyear, $frommonth, $fromday); 51 $datefrom = make_timestamp($gregorianfrom['year'], $gregorianfrom['month'], $gregorianfrom['day'], $fromhour, $fromminute); 52 } else { 53 $datefrom = optional_param('datefrom', 0, PARAM_INT); // Starting date 54 } 55 56 $timetorestrict = optional_param('timetorestrict', 0, PARAM_INT); // Use ending date 57 $today = optional_param('today', 0, PARAM_INT); // Ending date 58 $tomonth = optional_param('tomonth', 0, PARAM_INT); // Ending date 59 $toyear = optional_param('toyear', 0, PARAM_INT); // Ending date 60 $tohour = optional_param('tohour', 0, PARAM_INT); // Ending date 61 $tominute = optional_param('tominute', 0, PARAM_INT); // Ending date 62 if ($timetorestrict) { 63 $calendartype = \core_calendar\type_factory::get_calendar_instance(); 64 $gregorianto = $calendartype->convert_to_gregorian($toyear, $tomonth, $today); 65 $dateto = make_timestamp($gregorianto['year'], $gregorianto['month'], $gregorianto['day'], $tohour, $tominute); 66 } else { 67 $dateto = optional_param('dateto', 0, PARAM_INT); // Ending date 68 } 69 70 $PAGE->set_pagelayout('standard'); 71 $PAGE->set_url($FULLME); //TODO: this is very sloppy --skodak 72 73 if (empty($search)) { // Check the other parameters instead 74 if (!empty($words)) { 75 $search .= ' '.$words; 76 } 77 if (!empty($userid)) { 78 $search .= ' userid:'.$userid; 79 } 80 if (!empty($forumid)) { 81 $search .= ' forumid:'.$forumid; 82 } 83 if (!empty($user)) { 84 $search .= ' '.forum_clean_search_terms($user, 'user:'); 85 } 86 if (!empty($subject)) { 87 $search .= ' '.forum_clean_search_terms($subject, 'subject:'); 88 } 89 if (!empty($fullwords)) { 90 $search .= ' '.forum_clean_search_terms($fullwords, '+'); 91 } 92 if (!empty($notwords)) { 93 $search .= ' '.forum_clean_search_terms($notwords, '-'); 94 } 95 if (!empty($phrase)) { 96 $search .= ' "'.$phrase.'"'; 97 } 98 if (!empty($datefrom)) { 99 $search .= ' datefrom:'.$datefrom; 100 } 101 if (!empty($dateto)) { 102 $search .= ' dateto:'.$dateto; 103 } 104 $individualparams = true; 105 } else { 106 $individualparams = false; 107 } 108 109 if ($search) { 110 $search = forum_clean_search_terms($search); 111 } 112 113 if (!$course = $DB->get_record('course', array('id'=>$id))) { 114 print_error('invalidcourseid'); 115 } 116 117 require_course_login($course); 118 119 $params = array( 120 'context' => $PAGE->context, 121 'other' => array('searchterm' => $search) 122 ); 123 124 $event = \mod_forum\event\course_searched::create($params); 125 $event->trigger(); 126 127 $strforums = get_string("modulenameplural", "forum"); 128 $strsearch = get_string("search", "forum"); 129 $strsearchresults = get_string("searchresults", "forum"); 130 $strpage = get_string("page"); 131 132 if (!$search || $showform) { 133 134 $PAGE->navbar->add($strforums, new moodle_url('/mod/forum/index.php', array('id'=>$course->id))); 135 $PAGE->navbar->add(get_string('advancedsearch', 'forum')); 136 137 $PAGE->set_title($strsearch); 138 $PAGE->set_heading($course->fullname); 139 echo $OUTPUT->header(); 140 141 forum_print_big_search_form($course); 142 echo $OUTPUT->footer(); 143 exit; 144 } 145 146 /// We need to do a search now and print results 147 148 $searchterms = str_replace('forumid:', 'instance:', $search); 149 $searchterms = explode(' ', $searchterms); 150 151 $searchform = forum_search_form($course, $search); 152 153 $PAGE->navbar->add($strsearch, new moodle_url('/mod/forum/search.php', array('id'=>$course->id))); 154 $PAGE->navbar->add($strsearchresults); 155 if (!$posts = forum_search_posts($searchterms, $course->id, $page*$perpage, $perpage, $totalcount)) { 156 $PAGE->set_title($strsearchresults); 157 $PAGE->set_heading($course->fullname); 158 echo $OUTPUT->header(); 159 echo $OUTPUT->heading($strforums, 2); 160 echo $OUTPUT->heading($strsearchresults, 3); 161 echo $OUTPUT->heading(get_string("noposts", "forum"), 4); 162 163 if (!$individualparams) { 164 $words = $search; 165 } 166 167 forum_print_big_search_form($course); 168 169 echo $OUTPUT->footer(); 170 exit; 171 } 172 173 //including this here to prevent it being included if there are no search results 174 require_once($CFG->dirroot.'/rating/lib.php'); 175 176 //set up the ratings information that will be the same for all posts 177 $ratingoptions = new stdClass(); 178 $ratingoptions->component = 'mod_forum'; 179 $ratingoptions->ratingarea = 'post'; 180 $ratingoptions->userid = $USER->id; 181 $ratingoptions->returnurl = $PAGE->url->out(false); 182 $rm = new rating_manager(); 183 184 $PAGE->set_title($strsearchresults); 185 $PAGE->set_heading($course->fullname); 186 $PAGE->set_button($searchform); 187 echo $OUTPUT->header(); 188 echo '<div class="reportlink">'; 189 echo '<a href="search.php?id='.$course->id. 190 '&user='.urlencode($user). 191 '&userid='.$userid. 192 '&forumid='.$forumid. 193 '&subject='.urlencode($subject). 194 '&phrase='.urlencode($phrase). 195 '&words='.urlencode($words). 196 '&fullwords='.urlencode($fullwords). 197 '&notwords='.urlencode($notwords). 198 '&dateto='.$dateto. 199 '&datefrom='.$datefrom. 200 '&showform=1'. 201 '">'.get_string('advancedsearch','forum').'...</a>'; 202 echo '</div>'; 203 204 echo $OUTPUT->heading($strforums, 2); 205 echo $OUTPUT->heading("$strsearchresults: $totalcount", 3); 206 207 $url = new moodle_url('search.php', array('search' => $search, 'id' => $course->id, 'perpage' => $perpage)); 208 echo $OUTPUT->paging_bar($totalcount, $page, $perpage, $url); 209 210 //added to implement highlighting of search terms found only in HTML markup 211 //fiedorow - 9/2/2005 212 $strippedsearch = str_replace('user:','',$search); 213 $strippedsearch = str_replace('subject:','',$strippedsearch); 214 $strippedsearch = str_replace('"','',$strippedsearch); 215 $searchterms = explode(' ', $strippedsearch); // Search for words independently 216 foreach ($searchterms as $key => $searchterm) { 217 if (preg_match('/^\-/',$searchterm)) { 218 unset($searchterms[$key]); 219 } else { 220 $searchterms[$key] = preg_replace('/^\+/','',$searchterm); 221 } 222 } 223 $strippedsearch = implode(' ', $searchterms); // Rebuild the string 224 225 foreach ($posts as $post) { 226 227 // Replace the simple subject with the three items forum name -> thread name -> subject 228 // (if all three are appropriate) each as a link. 229 if (! $discussion = $DB->get_record('forum_discussions', array('id' => $post->discussion))) { 230 print_error('invaliddiscussionid', 'forum'); 231 } 232 if (! $forum = $DB->get_record('forum', array('id' => "$discussion->forum"))) { 233 print_error('invalidforumid', 'forum'); 234 } 235 236 if (!$cm = get_coursemodule_from_instance('forum', $forum->id)) { 237 print_error('invalidcoursemodule'); 238 } 239 240 $post->subject = highlight($strippedsearch, $post->subject); 241 $discussion->name = highlight($strippedsearch, $discussion->name); 242 243 $fullsubject = "<a href=\"view.php?f=$forum->id\">".format_string($forum->name,true)."</a>"; 244 if ($forum->type != 'single') { 245 $fullsubject .= " -> <a href=\"discuss.php?d=$discussion->id\">".format_string($discussion->name,true)."</a>"; 246 if ($post->parent != 0) { 247 $fullsubject .= " -> <a href=\"discuss.php?d=$post->discussion&parent=$post->id\">".format_string($post->subject,true)."</a>"; 248 } 249 } 250 251 $post->subject = $fullsubject; 252 $post->subjectnoformat = true; 253 254 //add the ratings information to the post 255 //Unfortunately seem to have do this individually as posts may be from different forums 256 if ($forum->assessed != RATING_AGGREGATE_NONE) { 257 $modcontext = context_module::instance($cm->id); 258 $ratingoptions->context = $modcontext; 259 $ratingoptions->items = array($post); 260 $ratingoptions->aggregate = $forum->assessed;//the aggregation method 261 $ratingoptions->scaleid = $forum->scale; 262 $ratingoptions->assesstimestart = $forum->assesstimestart; 263 $ratingoptions->assesstimefinish = $forum->assesstimefinish; 264 $postswithratings = $rm->get_ratings($ratingoptions); 265 266 if ($postswithratings && count($postswithratings)==1) { 267 $post = $postswithratings[0]; 268 } 269 } 270 271 // Identify search terms only found in HTML markup, and add a warning about them to 272 // the start of the message text. However, do not do the highlighting here. forum_print_post 273 // will do it for us later. 274 $missing_terms = ""; 275 276 $options = new stdClass(); 277 $options->trusted = $post->messagetrust; 278 $post->message = highlight($strippedsearch, 279 format_text($post->message, $post->messageformat, $options, $course->id), 280 0, '<fgw9sdpq4>', '</fgw9sdpq4>'); 281 282 foreach ($searchterms as $searchterm) { 283 if (preg_match("/$searchterm/i",$post->message) && !preg_match('/<fgw9sdpq4>'.$searchterm.'<\/fgw9sdpq4>/i',$post->message)) { 284 $missing_terms .= " $searchterm"; 285 } 286 } 287 288 $post->message = str_replace('<fgw9sdpq4>', '<span class="highlight">', $post->message); 289 $post->message = str_replace('</fgw9sdpq4>', '</span>', $post->message); 290 291 if ($missing_terms) { 292 $strmissingsearchterms = get_string('missingsearchterms','forum'); 293 $post->message = '<p class="highlight2">'.$strmissingsearchterms.' '.$missing_terms.'</p>'.$post->message; 294 } 295 296 // Prepare a link to the post in context, to be displayed after the forum post. 297 $fulllink = "<a href=\"discuss.php?d=$post->discussion#p$post->id\">".get_string("postincontext", "forum")."</a>"; 298 299 // Message is now html format. 300 if ($post->messageformat != FORMAT_HTML) { 301 $post->messageformat = FORMAT_HTML; 302 } 303 304 // Now pring the post. 305 forum_print_post($post, $discussion, $forum, $cm, $course, false, false, false, 306 $fulllink, '', -99, false); 307 } 308 309 echo $OUTPUT->paging_bar($totalcount, $page, $perpage, $url); 310 311 echo $OUTPUT->footer(); 312 313 314 /** 315 * Print a full-sized search form for the specified course. 316 * 317 * @param stdClass $course The Course that will be searched. 318 * @return void The function prints the form. 319 */ 320 function forum_print_big_search_form($course) { 321 global $CFG, $DB, $words, $subject, $phrase, $user, $userid, $fullwords, $notwords, $datefrom, $dateto, $PAGE, $OUTPUT; 322 323 echo $OUTPUT->box(get_string('searchforumintro', 'forum'), 'searchbox boxaligncenter', 'intro'); 324 325 echo $OUTPUT->box_start('generalbox boxaligncenter'); 326 327 echo html_writer::script('', $CFG->wwwroot.'/mod/forum/forum.js'); 328 329 echo '<form id="searchform" action="search.php" method="get">'; 330 echo '<table cellpadding="10" class="searchbox" id="form">'; 331 332 echo '<tr>'; 333 echo '<td class="c0"><label for="words">'.get_string('searchwords', 'forum').'</label>'; 334 echo '<input type="hidden" value="'.$course->id.'" name="id" alt="" /></td>'; 335 echo '<td class="c1"><input type="text" size="35" name="words" id="words"value="'.s($words, true).'" alt="" /></td>'; 336 echo '</tr>'; 337 338 echo '<tr>'; 339 echo '<td class="c0"><label for="phrase">'.get_string('searchphrase', 'forum').'</label></td>'; 340 echo '<td class="c1"><input type="text" size="35" name="phrase" id="phrase" value="'.s($phrase, true).'" alt="" /></td>'; 341 echo '</tr>'; 342 343 echo '<tr>'; 344 echo '<td class="c0"><label for="notwords">'.get_string('searchnotwords', 'forum').'</label></td>'; 345 echo '<td class="c1"><input type="text" size="35" name="notwords" id="notwords" value="'.s($notwords, true).'" alt="" /></td>'; 346 echo '</tr>'; 347 348 if ($DB->get_dbfamily() == 'mysql' || $DB->get_dbfamily() == 'postgres') { 349 echo '<tr>'; 350 echo '<td class="c0"><label for="fullwords">'.get_string('searchfullwords', 'forum').'</label></td>'; 351 echo '<td class="c1"><input type="text" size="35" name="fullwords" id="fullwords" value="'.s($fullwords, true).'" alt="" /></td>'; 352 echo '</tr>'; 353 } 354 355 echo '<tr>'; 356 echo '<td class="c0">'.get_string('searchdatefrom', 'forum').'</td>'; 357 echo '<td class="c1">'; 358 if (empty($datefrom)) { 359 $datefromchecked = ''; 360 $datefrom = make_timestamp(2000, 1, 1, 0, 0, 0); 361 }else{ 362 $datefromchecked = 'checked="checked"'; 363 } 364 365 echo '<input name="timefromrestrict" type="checkbox" value="1" alt="'.get_string('searchdatefrom', 'forum').'" onclick="return lockoptions(\'searchform\', \'timefromrestrict\', timefromitems)" '. $datefromchecked . ' /> '; 366 $selectors = html_writer::select_time('days', 'fromday', $datefrom) 367 . html_writer::select_time('months', 'frommonth', $datefrom) 368 . html_writer::select_time('years', 'fromyear', $datefrom) 369 . html_writer::select_time('hours', 'fromhour', $datefrom) 370 . html_writer::select_time('minutes', 'fromminute', $datefrom); 371 echo $selectors; 372 echo '<input type="hidden" name="hfromday" value="0" />'; 373 echo '<input type="hidden" name="hfrommonth" value="0" />'; 374 echo '<input type="hidden" name="hfromyear" value="0" />'; 375 echo '<input type="hidden" name="hfromhour" value="0" />'; 376 echo '<input type="hidden" name="hfromminute" value="0" />'; 377 378 echo '</td>'; 379 echo '</tr>'; 380 381 echo '<tr>'; 382 echo '<td class="c0">'.get_string('searchdateto', 'forum').'</td>'; 383 echo '<td class="c1">'; 384 if (empty($dateto)) { 385 $datetochecked = ''; 386 $dateto = time()+3600; 387 }else{ 388 $datetochecked = 'checked="checked"'; 389 } 390 391 echo '<input name="timetorestrict" type="checkbox" value="1" alt="'.get_string('searchdateto', 'forum').'" onclick="return lockoptions(\'searchform\', \'timetorestrict\', timetoitems)" ' .$datetochecked. ' /> '; 392 $selectors = html_writer::select_time('days', 'today', $dateto) 393 . html_writer::select_time('months', 'tomonth', $dateto) 394 . html_writer::select_time('years', 'toyear', $dateto) 395 . html_writer::select_time('hours', 'tohour', $dateto) 396 . html_writer::select_time('minutes', 'tominute', $dateto); 397 echo $selectors; 398 399 echo '<input type="hidden" name="htoday" value="0" />'; 400 echo '<input type="hidden" name="htomonth" value="0" />'; 401 echo '<input type="hidden" name="htoyear" value="0" />'; 402 echo '<input type="hidden" name="htohour" value="0" />'; 403 echo '<input type="hidden" name="htominute" value="0" />'; 404 405 echo '</td>'; 406 echo '</tr>'; 407 408 echo '<tr>'; 409 echo '<td class="c0"><label for="menuforumid">'.get_string('searchwhichforums', 'forum').'</label></td>'; 410 echo '<td class="c1">'; 411 echo html_writer::select(forum_menu_list($course), 'forumid', '', array(''=>get_string('allforums', 'forum'))); 412 echo '</td>'; 413 echo '</tr>'; 414 415 echo '<tr>'; 416 echo '<td class="c0"><label for="subject">'.get_string('searchsubject', 'forum').'</label></td>'; 417 echo '<td class="c1"><input type="text" size="35" name="subject" id="subject" value="'.s($subject, true).'" alt="" /></td>'; 418 echo '</tr>'; 419 420 echo '<tr>'; 421 echo '<td class="c0"><label for="user">'.get_string('searchuser', 'forum').'</label></td>'; 422 echo '<td class="c1"><input type="text" size="35" name="user" id="user" value="'.s($user, true).'" alt="" /></td>'; 423 echo '</tr>'; 424 425 echo '<tr>'; 426 echo '<td class="submit" colspan="2" align="center">'; 427 echo '<input type="submit" value="'.get_string('searchforums', 'forum').'" alt="" /></td>'; 428 echo '</tr>'; 429 430 echo '</table>'; 431 echo '</form>'; 432 433 echo html_writer::script(js_writer::function_call('lockoptions_timetoitems')); 434 echo html_writer::script(js_writer::function_call('lockoptions_timefromitems')); 435 436 echo $OUTPUT->box_end(); 437 } 438 439 /** 440 * This function takes each word out of the search string, makes sure they are at least 441 * two characters long and returns an string of the space-separated search 442 * terms. 443 * 444 * @param string $words String containing space-separated strings to search for. 445 * @param string $prefix String to prepend to the each token taken out of $words. 446 * @return string The filtered search terms, separated by spaces. 447 * @todo Take the hardcoded limit out of this function and put it into a user-specified parameter. 448 */ 449 function forum_clean_search_terms($words, $prefix='') { 450 $searchterms = explode(' ', $words); 451 foreach ($searchterms as $key => $searchterm) { 452 if (strlen($searchterm) < 2) { 453 unset($searchterms[$key]); 454 } else if ($prefix) { 455 $searchterms[$key] = $prefix.$searchterm; 456 } 457 } 458 return trim(implode(' ', $searchterms)); 459 } 460 461 /** 462 * Retrieve a list of the forums that this user can view. 463 * 464 * @param stdClass $course The Course to use. 465 * @return array A set of formatted forum names stored against the forum id. 466 */ 467 function forum_menu_list($course) { 468 $menu = array(); 469 470 $modinfo = get_fast_modinfo($course); 471 if (empty($modinfo->instances['forum'])) { 472 return $menu; 473 } 474 475 foreach ($modinfo->instances['forum'] as $cm) { 476 if (!$cm->uservisible) { 477 continue; 478 } 479 $context = context_module::instance($cm->id); 480 if (!has_capability('mod/forum:viewdiscussion', $context)) { 481 continue; 482 } 483 $menu[$cm->instance] = format_string($cm->name); 484 } 485 486 return $menu; 487 }
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| Generated: Thu Aug 11 10:00:09 2016 | Cross-referenced by PHPXref 0.7.1 |