| 1 | <?php |
| 2 | /*************************************************************************** |
| 3 | * Copyright (C) 2003-2009 Polytechnique.org * |
| 4 | * http://opensource.polytechnique.org/ * |
| 5 | * * |
| 6 | * This program is free software; you can redistribute it and/or modify * |
| 7 | * it under the terms of the GNU General Public License as published by * |
| 8 | * the Free Software Foundation; either version 2 of the License, or * |
| 9 | * (at your option) any later version. * |
| 10 | * * |
| 11 | * This program is distributed in the hope that it will be useful, * |
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of * |
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * |
| 14 | * GNU General Public License for more details. * |
| 15 | * * |
| 16 | * You should have received a copy of the GNU General Public License * |
| 17 | * along with this program; if not, write to the Free Software * |
| 18 | * Foundation, Inc., * |
| 19 | * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * |
| 20 | ***************************************************************************/ |
| 21 | |
| 22 | // {{{ Global variables used for the search Queries |
| 23 | |
| 24 | @$globals->search->result_fields = ' |
| 25 | u.user_id, u.promo, u.matricule, u.matricule_ax, |
| 26 | if(u.nom_usage=\'\', u.nom, u.nom_usage) AS NomSortKey, |
| 27 | u.nom_usage,u.date, |
| 28 | u.deces!=0 AS dcd,u.deces, |
| 29 | u.perms IN (\'admin\',\'user\', \'disabled\') AS inscrit, |
| 30 | u.perms != \'pending\' AS wasinscrit, |
| 31 | FIND_IN_SET(\'femme\', u.flags) AS sexe, |
| 32 | a.alias AS forlife, |
| 33 | ad0.text AS app0text, ad0.url AS app0url, ai0.type AS app0type, |
| 34 | ad1.text AS app1text, ad1.url AS app1url, ai1.type AS app1type, |
| 35 | es.label AS secteur, ef.fonction_fr AS fonction, |
| 36 | IF(n.nat=\'\',n.pays,n.nat) AS nat, n.a2 AS iso3166, |
| 37 | (COUNT(em.email) > 0 OR FIND_IN_SET("googleapps", u.mail_storage) > 0) AS actif,'; |
| 38 | // hide private information if not logged |
| 39 | if (S::logged()) |
| 40 | $globals->search->result_fields .=' |
| 41 | q.profile_web AS web, |
| 42 | q.profile_mobile AS mobile, |
| 43 | q.profile_freetext AS freetext, |
| 44 | adr.city, gp.pays AS countrytxt, gr.name AS region, |
| 45 | e.entreprise,'; |
| 46 | else |
| 47 | $globals->search->result_fields .=" |
| 48 | IF(q.profile_web_pub='public', q.profile_web, '') AS web, |
| 49 | IF(q.profile_mobile_pub='public', q.profile_mobile, '') AS mobile, |
| 50 | IF(q.profile_freetext_pub='public', q.profile_freetext, '') AS freetext, |
| 51 | IF(adr.pub='public', adr.city, '') AS city, |
| 52 | IF(adr.pub='public', gp.pays, '') AS countrytxt, |
| 53 | IF(adr.pub='public', gr.name, '') AS region, |
| 54 | IF(e.pub='public', e.entreprise, '') AS entreprise,"; |
| 55 | @$globals->search->result_where_statement = ' |
| 56 | LEFT JOIN applis_ins AS ai0 ON (u.user_id = ai0.uid AND ai0.ordre = 0) |
| 57 | LEFT JOIN applis_def AS ad0 ON (ad0.id = ai0.aid) |
| 58 | LEFT JOIN applis_ins AS ai1 ON (u.user_id = ai1.uid AND ai1.ordre = 1) |
| 59 | LEFT JOIN applis_def AS ad1 ON (ad1.id = ai1.aid) |
| 60 | LEFT JOIN entreprises AS e ON (e.entrid = 0 AND e.uid = u.user_id) |
| 61 | LEFT JOIN emploi_secteur AS es ON (e.secteur = es.id) |
| 62 | LEFT JOIN fonctions_def AS ef ON (e.fonction = ef.id) |
| 63 | LEFT JOIN geoloc_pays AS n ON (u.nationalite = n.a2) |
| 64 | LEFT JOIN adresses AS adr ON (u.user_id = adr.uid AND FIND_IN_SET(\'active\',adr.statut)) |
| 65 | LEFT JOIN geoloc_pays AS gp ON (adr.country = gp.a2) |
| 66 | LEFT JOIN geoloc_region AS gr ON (adr.country = gr.a2 AND adr.region = gr.region) |
| 67 | LEFT JOIN emails AS em ON (em.uid = u.user_id AND em.flags = \'active\')'; |
| 68 | |
| 69 | // }}} |
| 70 | // {{{ class ThrowError |
| 71 | |
| 72 | /** handle errors for end-users queries |
| 73 | * assign the error message and runs the templates |
| 74 | * |
| 75 | * @author Jean-Sebastien Bedo |
| 76 | */ |
| 77 | class ThrowError |
| 78 | { |
| 79 | public static $throwHook = array('ThrowError', 'defaultHandler'); |
| 80 | |
| 81 | /** constuctor |
| 82 | * @param $explain string the error (in natural language) |
| 83 | */ |
| 84 | public function __construct($explain) |
| 85 | { |
| 86 | call_user_func(ThrowError::$throwHook, $explain); |
| 87 | } |
| 88 | |
| 89 | /** defaut error handler |
| 90 | */ |
| 91 | private static function defaultHandler($explain) |
| 92 | { |
| 93 | global $globals; |
| 94 | $page =& Platal::page(); |
| 95 | $page->changeTpl('search/index.tpl'); |
| 96 | $page->setTitle('Polytechnique.org - Annuaire'); |
| 97 | $page->assign('baseurl', $globals->baseurl); |
| 98 | $page->trigError($explain); |
| 99 | $page->run(); |
| 100 | } |
| 101 | } |
| 102 | |
| 103 | // }}} |
| 104 | // {{{ class SField [Base class] |
| 105 | |
| 106 | /** classe de base représentant un champ de recherche |
| 107 | * (correspond à un champ du formulaire mais peut être à plusieurs champs de la bdd) |
| 108 | * interface étendue pour chaque type de champ particulier |
| 109 | */ |
| 110 | class SField |
| 111 | { |
| 112 | // {{{ properties |
| 113 | |
| 114 | /** le nom du champ dans le formulaire HTML */ |
| 115 | var $fieldFormName; |
| 116 | /** champs de la bdd correspondant à ce champ sous forme d'un tableau */ |
| 117 | var $fieldDbName; |
| 118 | /** champ résultat dans la requête MySQL correspondant à ce champ |
| 119 | * (alias utilisé pour la clause ORDER BY) */ |
| 120 | var $fieldResultName; |
| 121 | /** valeur du champ instanciée par l'utilisateur */ |
| 122 | var $value; |
| 123 | |
| 124 | // }}} |
| 125 | // {{{ constructor |
| 126 | |
| 127 | /** constructeur |
| 128 | * (récupère la requête de l'utilisateur pour ce champ) */ |
| 129 | function SField($_fieldFormName, $_fieldDbName='', $_fieldResultName='') |
| 130 | { |
| 131 | $this->fieldFormName = $_fieldFormName; |
| 132 | $this->fieldDbName = $_fieldDbName; |
| 133 | $this->fieldResultName = $_fieldResultName; |
| 134 | $this->get_request(); |
| 135 | } |
| 136 | |
| 137 | // }}} |
| 138 | // {{{ function get_request() |
| 139 | |
| 140 | /** récupérer la requête de l'utilisateur |
| 141 | * on met une chaîne vide si le champ n'a pas été complété */ |
| 142 | function get_request() |
| 143 | { |
| 144 | $this->value = trim(Env::v($this->fieldFormName)); |
| 145 | } |
| 146 | |
| 147 | // }}} |
| 148 | // {{{ function get_where_statement() |
| 149 | |
| 150 | /** récupérer la clause correspondant au champ dans la clause WHERE de la requête |
| 151 | * on parcourt l'ensemble des champs de la bdd de $fieldDbName et on associe |
| 152 | * à chacun d'entre eux une clause spécifique |
| 153 | * la clause totale et la disjonction de ces clauses spécifiques */ |
| 154 | function get_where_statement() |
| 155 | { |
| 156 | if ($this->value=='') { |
| 157 | return false; |
| 158 | } |
| 159 | $res = implode(' OR ', array_filter(array_map(array($this, 'get_single_where_statement'), $this->fieldDbName))); |
| 160 | return empty($res) ? '' : "($res)"; |
| 161 | } |
| 162 | |
| 163 | // }}} |
| 164 | // {{{ function get_order_statement() |
| 165 | |
| 166 | /** récupérer la clause correspondant au champ dans la clause ORDER BY de la requête |
| 167 | * utilisé par exemple pour placer d'abord le nom égal à la requête avant les approximations */ |
| 168 | function get_order_statement() |
| 169 | { |
| 170 | return false; |
| 171 | } |
| 172 | |
| 173 | // }}} |
| 174 | // {{{ function get_select_statement() |
| 175 | |
| 176 | function get_select_statement() |
| 177 | { |
| 178 | return false; |
| 179 | } |
| 180 | |
| 181 | // }}} |
| 182 | // {{{ function get_url() |
| 183 | |
| 184 | /** récupérer le bout d'URL correspondant aux paramètres permettant d'imiter une requête d'un |
| 185 | * utilisateur assignant la valeur $this->value à ce champ */ |
| 186 | function get_url() |
| 187 | { |
| 188 | if (empty($this->value)) { |
| 189 | return false; |
| 190 | } else { |
| 191 | return $this->fieldFormName.'='.urlencode($this->value); |
| 192 | } |
| 193 | } |
| 194 | |
| 195 | // }}} |
| 196 | } |
| 197 | |
| 198 | // }}} |
| 199 | // {{{ class QuickSearch [Google Like] |
| 200 | |
| 201 | class QuickSearch extends SField |
| 202 | { |
| 203 | // {{{ properties |
| 204 | |
| 205 | /** stores tokens */ |
| 206 | var $strings; |
| 207 | /** stores numerical ranges */ |
| 208 | var $ranges; |
| 209 | /** stores admin searches */ |
| 210 | var $email; |
| 211 | var $ip; |
| 212 | |
| 213 | // }}} |
| 214 | // {{{ constructor |
| 215 | |
| 216 | function QuickSearch($_fieldFormName) |
| 217 | { |
| 218 | $this->fieldFormName = $_fieldFormName; |
| 219 | $this->get_request(); |
| 220 | if (preg_match(":[\]\[{}~/§_`|%$^=+]|\*\*:u", $this->value)) { |
| 221 | new ThrowError('Un champ contient un caractère interdit rendant la recherche impossible.'); |
| 222 | } |
| 223 | } |
| 224 | |
| 225 | // }}} |
| 226 | // {{{ function isempty() |
| 227 | |
| 228 | function isempty() |
| 229 | { |
| 230 | return empty($this->strings) && empty($this->ranges) && empty($this->email) && empty($this->ip); |
| 231 | } |
| 232 | |
| 233 | // }}} |
| 234 | // {{{ function get_request() |
| 235 | |
| 236 | function get_request() |
| 237 | { |
| 238 | parent::get_request(); |
| 239 | $s = replace_accent(trim($this->value)); |
| 240 | $r = $s = str_replace('*','%',$s); |
| 241 | |
| 242 | if (S::admin() && strpos($s, '@') !== false) { |
| 243 | $this->email = $s; |
| 244 | } else if (S::admin() && preg_match('/[0-9]+\.([0-9]+|%)\.([0-9]+|%)\.([0-9]+|%)/', $s)) { |
| 245 | $this->ip = $s; |
| 246 | } |
| 247 | if ($this->email || $this->ip) { |
| 248 | $this->strings = $this->ranges = array(); |
| 249 | return; |
| 250 | } |
| 251 | |
| 252 | $s = preg_replace('!\d+!', ' ', $s); |
| 253 | $this->strings = preg_split("![^a-zA-Z%]+!",$s, -1, PREG_SPLIT_NO_EMPTY); |
| 254 | if (count($this->strings) > 5) { |
| 255 | Platal::page()->trigWarning("Tu as indiqué trop d'éléments dans ta recherche, seuls les 5 premiers seront pris en compte"); |
| 256 | $this->strings = array_slice($this->strings, 0, 5); |
| 257 | } |
| 258 | |
| 259 | $s = preg_replace('! *- *!', '-', $r); |
| 260 | $s = preg_replace('!([<>]) *!', ' \1', $s); |
| 261 | $s = preg_replace('![^0-9\-><]!', ' ', $s); |
| 262 | $s = preg_replace('![<>\-] !', '', $s); |
| 263 | $ranges = preg_split('! +!', $s, -1, PREG_SPLIT_NO_EMPTY); |
| 264 | $this->ranges=Array(); |
| 265 | foreach ($ranges as $r) { |
| 266 | if (preg_match('!^([<>]\d{4}|\d{4}(-\d{4})?)$!', $r)) $this->ranges[] = $r; |
| 267 | } |
| 268 | } |
| 269 | |
| 270 | // }}} |
| 271 | // {{{ function get_where_statement() |
| 272 | |
| 273 | function get_where_statement() |
| 274 | { |
| 275 | $where = Array(); |
| 276 | foreach ($this->strings as $i => $s) { |
| 277 | if (Env::i('with_soundex') && strlen($s) > 1) { |
| 278 | $t = soundex_fr($s); |
| 279 | $where[] = "sn$i.soundex = '$t'"; |
| 280 | } elseif (Env::i('exact')) { |
| 281 | $where[] = "sn$i.token = '$s'"; |
| 282 | } else { |
| 283 | $t = str_replace('*', '%', $s).'%'; |
| 284 | $t = str_replace('%%', '%', $t); |
| 285 | $where[] = "sn$i.token LIKE '$t'"; |
| 286 | } |
| 287 | } |
| 288 | |
| 289 | $wherep = Array(); |
| 290 | foreach ($this->ranges as $r) { |
| 291 | if (preg_match('!^\d{4}$!', $r)) { |
| 292 | $wherep[] = "u.promo=$r"; |
| 293 | } elseif (preg_match('!^(\d{4})-(\d{4})$!', $r, $matches)) { |
| 294 | $p1=min(intval($matches[1]), intval($matches[2])); |
| 295 | $p2=max(intval($matches[1]), intval($matches[2])); |
| 296 | $wherep[] = "(u.promo>=$p1 AND u.promo<=$p2)"; |
| 297 | } elseif (preg_match('!^<(\d{4})!', $r, $matches)) { |
| 298 | $wherep[] = "u.promo<={$matches[1]}"; |
| 299 | } elseif (preg_match('!^>(\d{4})!', $r, $matches)) { |
| 300 | $wherep[] = "u.promo>={$matches[1]}"; |
| 301 | } |
| 302 | } |
| 303 | if (!empty($wherep)) { |
| 304 | $where[] = '('.join(' OR ',$wherep).')'; |
| 305 | } |
| 306 | if (!empty($this->email)) { |
| 307 | $where[] = 'ems.email = ' . XDB::escape($this->email); |
| 308 | } |
| 309 | if (!empty($this->ip)) { |
| 310 | $ip = ip_to_uint($this->ip); |
| 311 | |
| 312 | // If the IP address requested for the search cannot be translated, |
| 313 | // the predicate should always be valued to false. |
| 314 | if ($ip != null) { |
| 315 | $where[] = "( ls.ip = $ip OR ls.forward_ip = $ip ) AND ls.suid = 0"; |
| 316 | } else { |
| 317 | $where[] = "false"; |
| 318 | } |
| 319 | } |
| 320 | |
| 321 | return join(" AND ", $where); |
| 322 | } |
| 323 | |
| 324 | // }}} |
| 325 | // {{{ get_select_statement |
| 326 | function get_select_statement() |
| 327 | { |
| 328 | $join = ""; |
| 329 | $and = ''; |
| 330 | $uniq = ''; |
| 331 | foreach ($this->strings as $i => $s) { |
| 332 | if (!S::logged()) { |
| 333 | $and = "AND FIND_IN_SET('public', sn$i.flags)"; |
| 334 | } |
| 335 | $myu = str_replace('snv', "sn$i", $uniq); |
| 336 | $join .= "INNER JOIN search_name AS sn$i ON (u.user_id = sn$i.uid $and$myu)\n"; |
| 337 | $uniq .= " AND sn$i.token != snv.token"; |
| 338 | } |
| 339 | if (!empty($this->email)) { |
| 340 | $join .= "LEFT JOIN emails AS ems ON (ems.uid = u.user_id)"; |
| 341 | } |
| 342 | if (!empty($this->ip)) { |
| 343 | $join .= "INNER JOIN logger.sessions AS ls ON (ls.uid = u.user_id)\n"; |
| 344 | } |
| 345 | return $join; |
| 346 | } |
| 347 | // }}} |
| 348 | // {{{ function get_order_statement() |
| 349 | |
| 350 | function get_order_statement() |
| 351 | { |
| 352 | return false; |
| 353 | } |
| 354 | |
| 355 | // }}} |
| 356 | // {{{ function get_score_statement |
| 357 | |
| 358 | function get_score_statement() |
| 359 | { |
| 360 | $sum = array('0'); |
| 361 | foreach ($this->strings as $i => $s) { |
| 362 | $sum[] .= "SUM(sn$i.score + IF('$s'=sn$i.token,5,0))"; |
| 363 | } |
| 364 | return join('+', $sum).' AS score'; |
| 365 | } |
| 366 | |
| 367 | // }}} |
| 368 | } |
| 369 | |
| 370 | // }}} |
| 371 | // {{{ class NumericSField [Integer fields] |
| 372 | |
| 373 | /** classe de champ numérique entier (offset par exemple) |
| 374 | */ |
| 375 | class NumericSField extends SField |
| 376 | { |
| 377 | // {{{ constructor |
| 378 | |
| 379 | /** constructeur |
| 380 | * (récupère la requête de l'utilisateur pour ce champ) */ |
| 381 | function NumericSField($_fieldFormName) |
| 382 | { |
| 383 | $this->fieldFormName = $_fieldFormName; |
| 384 | $this->get_request(); |
| 385 | } |
| 386 | |
| 387 | // }}} |
| 388 | // {{{ function get_request() |
| 389 | |
| 390 | /** récupère la requête de l'utilisateur et échoue s'il ne s'agit pas d'un entier */ |
| 391 | function get_request() |
| 392 | { |
| 393 | parent::get_request(); |
| 394 | if (empty($this->value)) { |
| 395 | $this->value = 0; |
| 396 | } |
| 397 | if (!preg_match("/^[0-9]+$/", $this->value)) { |
| 398 | new ThrowError('Un champ numérique contient des caractères alphanumériques.'); |
| 399 | } |
| 400 | } |
| 401 | |
| 402 | // }}} |
| 403 | } |
| 404 | |
| 405 | // }}} |
| 406 | // {{{ class RefSField [ ??? ] |
| 407 | |
| 408 | class RefSField extends SField |
| 409 | { |
| 410 | // {{{ properties |
| 411 | |
| 412 | var $refTable; |
| 413 | var $refAlias; |
| 414 | var $refCondition; |
| 415 | var $exact = true; |
| 416 | |
| 417 | // }}} |
| 418 | // {{{ constructor |
| 419 | |
| 420 | function RefSField($_fieldFormName, $_fieldDbName='', $_refTable, $_refAlias, $_refCondition, $_exact=true) |
| 421 | { |
| 422 | $this->fieldFormName = $_fieldFormName; |
| 423 | $this->fieldDbName = $_fieldDbName; |
| 424 | $this->refTable = $_refTable; |
| 425 | $this->refAlias = $_refAlias; |
| 426 | $this->refCondition = $_refCondition; |
| 427 | $this->exact = $_exact; |
| 428 | $this->get_request(); |
| 429 | } |
| 430 | |
| 431 | // }}} |
| 432 | // {{{ function get_request() |
| 433 | |
| 434 | function get_request() { |
| 435 | parent::get_request(); |
| 436 | if ($this->value=='00' || $this->value=='0') { |
| 437 | $this->value=''; |
| 438 | } |
| 439 | } |
| 440 | |
| 441 | // }}} |
| 442 | // {{{ function too_large() |
| 443 | |
| 444 | function too_large() |
| 445 | { |
| 446 | return ($this->value==''); |
| 447 | } |
| 448 | |
| 449 | // }}} |
| 450 | // {{{ function compare() |
| 451 | |
| 452 | function compare() |
| 453 | { |
| 454 | $val = addslashes($this->value); |
| 455 | if (Env::i('exact')) return "='$val'"; |
| 456 | return $this->exact ? "='$val'" : " LIKE '%$val%'"; |
| 457 | } |
| 458 | |
| 459 | // }}} |
| 460 | // {{{ function get_single_match_statement() |
| 461 | |
| 462 | function get_single_match_statement($field) |
| 463 | { |
| 464 | return $field.$this->compare(); |
| 465 | } |
| 466 | |
| 467 | // }}} |
| 468 | // {{{ function get_single_where_statement() |
| 469 | |
| 470 | function get_single_where_statement($field) |
| 471 | { |
| 472 | return $this->refTable=='' ? $this->get_single_match_statement($field) : false; |
| 473 | } |
| 474 | |
| 475 | // }}} |
| 476 | // {{{ function get_select_statement() |
| 477 | |
| 478 | function get_select_statement() |
| 479 | { |
| 480 | if ($this->value=='' || $this->refTable=='') { |
| 481 | return false; |
| 482 | } |
| 483 | $res = implode(' OR ', array_filter(array_map(array($this, 'get_single_match_statement'), $this->fieldDbName))); |
| 484 | if (is_array($this->refTable)) { |
| 485 | foreach ($this->refTable as $i => $refT) |
| 486 | $last = $i; |
| 487 | $inner = ""; |
| 488 | foreach ($this->refTable as $i => $refT) |
| 489 | $inner .= " INNER JOIN {$refT} AS {$this->refAlias[$i]} ON ({$this->refCondition[$i]} ".(($i == $last)?"AND ($res) ":"").")\n"; |
| 490 | return $inner; |
| 491 | } else { |
| 492 | return "INNER JOIN {$this->refTable} AS {$this->refAlias} ON ({$this->refCondition} AND ($res) )"; |
| 493 | } |
| 494 | } |
| 495 | |
| 496 | // }}} |
| 497 | } |
| 498 | |
| 499 | // }}} |
| 500 | |
| 501 | // {{{ class RefSFieldMultipleTable |
| 502 | class MapSField extends RefSField |
| 503 | { |
| 504 | var $mapId; |
| 505 | |
| 506 | function MapSField($_fieldFormName, $_fieldDbName='', $_refTable, $_refAlias, $_refCondition, $_mapId=false) |
| 507 | { |
| 508 | if ($_mapId === false) |
| 509 | $this->mapId = Env::v($_fieldFormName, ''); |
| 510 | else |
| 511 | $this->mapId = $_mapId; |
| 512 | $this->value = $this->mapId; |
| 513 | $this->RefSField($_fieldFormName, $_fieldDbName, $_refTable, $_refAlias, $_refCondition, true, false); |
| 514 | } |
| 515 | |
| 516 | function get_select_statement() |
| 517 | { |
| 518 | if ($this->mapId === '') return false; |
| 519 | $res = implode(' OR ', array_filter(array_map(array($this, 'get_single_match_statement'), $this->fieldDbName))); |
| 520 | foreach ($this->refTable as $i => $refT) |
| 521 | $last = $i; |
| 522 | $inner = ""; |
| 523 | foreach ($this->refTable as $i => $refT) |
| 524 | $inner .= " INNER JOIN {$refT} AS {$this->refAlias[$i]} ON ({$this->refCondition[$i]} ".(($i == $last)?"AND ($res) ":"").")"; |
| 525 | return $inner; |
| 526 | } |
| 527 | function get_request() |
| 528 | { |
| 529 | $this->value = $this->mapId; |
| 530 | } |
| 531 | } |
| 532 | |
| 533 | // {{{ class RefWithSoundexSField [ ??? ] |
| 534 | |
| 535 | class RefWithSoundexSField extends RefSField |
| 536 | { |
| 537 | // {{{ function compare() |
| 538 | |
| 539 | function compare() |
| 540 | { |
| 541 | return "='".soundex_fr($this->value)."'"; |
| 542 | } |
| 543 | |
| 544 | // }}} |
| 545 | } |
| 546 | |
| 547 | // }}} |
| 548 | // {{{ class StringSField [String fields] |
| 549 | |
| 550 | /** classe de champ texte (nom par exemple) |
| 551 | */ |
| 552 | class StringSField extends SField |
| 553 | { |
| 554 | // {{{ function get_request() |
| 555 | |
| 556 | /** récupère la requête de l'utilisateur et échoue si la chaîne contient des caractères |
| 557 | * interdits */ |
| 558 | function get_request() |
| 559 | { |
| 560 | parent::get_request(); |
| 561 | if (preg_match(":[\]\[<>{}~/§_`|%$^=+]|\*\*:u", $this->value)) { |
| 562 | new ThrowError('Un champ contient un caractère interdit rendant la recherche impossible.'); |
| 563 | } |
| 564 | } |
| 565 | |
| 566 | // }}} |
| 567 | // {{{ function length() |
| 568 | |
| 569 | /** donne la longueur de la requête de l'utilisateur |
| 570 | * (au sens strict i.e. pas d'* ni d'espace ou de trait d'union -> les contraintes réellement |
| 571 | * imposées par l'utilisateur) */ |
| 572 | function length() |
| 573 | { |
| 574 | $cleaned = replace_accent(strtolower($this->value)); |
| 575 | $length = strlen(ereg_replace('[a-z0-9]', '', $cleaned)); |
| 576 | return strlen($this->value) - $length; |
| 577 | } |
| 578 | |
| 579 | // }}} |
| 580 | // {{{ function too_large() |
| 581 | |
| 582 | function too_large() |
| 583 | { |
| 584 | return ($this->length()<2); |
| 585 | } |
| 586 | |
| 587 | // }}} |
| 588 | // {{{ function get_single_where_statement() |
| 589 | |
| 590 | /** clause WHERE correspondant à un champ de la bdd et à ce champ de formulaire |
| 591 | * @param field nom de champ de la bdd concerné par la clause */ |
| 592 | function get_single_where_statement($field) |
| 593 | { |
| 594 | $val = addslashes($this->value); |
| 595 | if (Env::i('exact')) return "$field = '$val'"; |
| 596 | $regexp = strtr($val, '-*', '_%'); |
| 597 | return "$field LIKE '$regexp%'"; |
| 598 | } |
| 599 | |
| 600 | // }}} |
| 601 | // {{{ function get_order_statement() |
| 602 | |
| 603 | /** clause ORDER BY correspondant à ce champ de formulaire */ |
| 604 | function get_order_statement() |
| 605 | { |
| 606 | if ($this->value!='' && $this->fieldResultName!='') { |
| 607 | return "{$this->fieldResultName}!='".addslashes($this->value)."'"; |
| 608 | } else { |
| 609 | return false; |
| 610 | } |
| 611 | } |
| 612 | |
| 613 | // }}} |
| 614 | } |
| 615 | |
| 616 | // }}} |
| 617 | // {{{ class NameSField [Names : serach 'n%' + '% b'] |
| 618 | |
| 619 | /** classe pour les noms : on cherche en plus du like 'foo%' le like '% foo' (particules) |
| 620 | +*/ |
| 621 | class NameSField extends StringSField |
| 622 | { |
| 623 | // {{{ function get_single_where_statement() |
| 624 | |
| 625 | function get_single_where_statement($field) |
| 626 | { |
| 627 | $val = addslashes($this->value); |
| 628 | if (Env::i('exact')) return "$field = '$val'"; |
| 629 | $regexp = strtr($val, '-*', '_%'); |
| 630 | return "$field LIKE '$regexp%' OR $field LIKE '% $regexp%' OR $field LIKE '%-$regexp%'"; |
| 631 | } |
| 632 | |
| 633 | // }}} |
| 634 | // {{{ function get_order_statement() |
| 635 | |
| 636 | function get_order_statement() |
| 637 | { |
| 638 | if ($this->value!='' && $this->fieldResultName!='') { |
| 639 | return "{$this->fieldResultName} NOT LIKE '".addslashes($this->value)."'"; |
| 640 | } else { |
| 641 | return false; |
| 642 | } |
| 643 | } |
| 644 | |
| 645 | // }}} |
| 646 | } |
| 647 | |
| 648 | // }}} |
| 649 | // {{{ class StringWithSoundexSField [Strings + soundex] |
| 650 | |
| 651 | /** classe de champ texte avec soundex (nom par exemple) |
| 652 | */ |
| 653 | class StringWithSoundexSField extends StringSField |
| 654 | { |
| 655 | // {{{ function get_single_where_statement() |
| 656 | |
| 657 | /** clause WHERE correspondant à un champ de la bdd et à ce champ de formulaire |
| 658 | * @param field nom de champ de la bdd concerné par la clause */ |
| 659 | function get_single_where_statement($field) { |
| 660 | return $field.'="'.soundex_fr($this->value).'"'; |
| 661 | } |
| 662 | |
| 663 | // }}} |
| 664 | } |
| 665 | |
| 666 | // }}} |
| 667 | // {{{ class PromoSField [Prom field] |
| 668 | |
| 669 | /** classe de champ de promotion */ |
| 670 | class PromoSField extends SField |
| 671 | { |
| 672 | // {{{ properties |
| 673 | |
| 674 | /** opérateur de comparaison (<,>,=) de la promo utilisé pour ce champ de formulaire */ |
| 675 | var $compareField; |
| 676 | |
| 677 | // }}} |
| 678 | // {{{ constructor |
| 679 | |
| 680 | /** constructeur |
| 681 | * compareField est un champ de formulaire très simple qui ne sert qu'à la construction de la |
| 682 | * clause WHERE de la promo */ |
| 683 | function PromoSField($_fieldFormName, $_compareFieldFormName, $_fieldDbName, $_fieldResultName) |
| 684 | { |
| 685 | parent::SField($_fieldFormName, $_fieldDbName, $_fieldResultName); |
| 686 | $this->compareField = new SField($_compareFieldFormName); |
| 687 | } |
| 688 | |
| 689 | // }}} |
| 690 | // {{{ function get_request() |
| 691 | |
| 692 | /** récupère la requête utilisateur et échoue si le champ du formulaire ne représente pas une |
| 693 | * promotion (nombre à 4 chiffres) */ |
| 694 | function get_request() |
| 695 | { |
| 696 | parent::get_request(); |
| 697 | if (preg_match('/^[0-9]{2}$/', $this->value)){ |
| 698 | $this->value = intval($this->value) + 1900; |
| 699 | } |
| 700 | if (!(empty($this->value) or preg_match('/^[0-9]{4}$/', $this->value))) { |
| 701 | new ThrowError('La promotion est une année à quatre chiffres.'); |
| 702 | } |
| 703 | } |
| 704 | |
| 705 | // }}} |
| 706 | // {{{ function is_a_single_promo() |
| 707 | |
| 708 | /** teste si la requête est de la forme =promotion -> contrainte forte imposée -> elle suffit |
| 709 | * pour autoriser un affichage des résultats alors que <promotion est insuffisant */ |
| 710 | function is_a_single_promo() |
| 711 | { |
| 712 | return ($this->compareField->value=='=' && $this->value!=''); |
| 713 | } |
| 714 | |
| 715 | // }}} |
| 716 | // {{{ function too_large() |
| 717 | |
| 718 | function too_large() |
| 719 | { |
| 720 | return !$this->is_a_single_promo(); |
| 721 | } |
| 722 | |
| 723 | // }}} |
| 724 | // {{{ function get_single_where_statement() |
| 725 | |
| 726 | /** clause WHERE correspondant à ce champ */ |
| 727 | function get_single_where_statement($field) |
| 728 | { |
| 729 | return $field.$this->compareField->value.$this->value; |
| 730 | } |
| 731 | |
| 732 | // }}} |
| 733 | // {{{ function get_url() |
| 734 | |
| 735 | /** récupérer le bout d'URL correspondant aux paramètres permettant d'imiter une requête |
| 736 | * d'un utilisateur assignant la valeur $this->value à ce champ et assignant l'opérateur de |
| 737 | * comparaison adéquat */ |
| 738 | function get_url() |
| 739 | { |
| 740 | if (!($u=parent::get_url())) { |
| 741 | return false; |
| 742 | } |
| 743 | return $u.'&'.$this->compareField->get_url(); |
| 744 | } |
| 745 | |
| 746 | // }}} |
| 747 | } |
| 748 | |
| 749 | // }}} |
| 750 | // {{{ class SFieldGroup [Group fields] |
| 751 | |
| 752 | /** classe groupant des champs de formulaire de recherche */ |
| 753 | class SFieldGroup |
| 754 | { |
| 755 | // {{{ properties |
| 756 | |
| 757 | /** tableau des classes correspondant aux champs groupés */ |
| 758 | var $fields; |
| 759 | /** type de groupe : ET ou OU */ |
| 760 | var $and; |
| 761 | |
| 762 | // }}} |
| 763 | // {{{ constuctor |
| 764 | |
| 765 | /** constructeur */ |
| 766 | function SFieldGroup($_and, $_fields) |
| 767 | { |
| 768 | $this->fields = $_fields; |
| 769 | $this->and = $_and; |
| 770 | foreach ($this->fields as $key=>&$field) { |
| 771 | if (is_null($field)) { |
| 772 | unset($this->fields[$key]); |
| 773 | } |
| 774 | } |
| 775 | } |
| 776 | |
| 777 | // }}} |
| 778 | // {{{ function too_large() |
| 779 | |
| 780 | function too_large() |
| 781 | { |
| 782 | $b = true; |
| 783 | for ($i=0 ; $b && $i<count($this->fields) ; $i++) { |
| 784 | if (!is_null($this->fields[$i])) { |
| 785 | $b = $b && $this->fields[$i]->too_large(); |
| 786 | } |
| 787 | } |
| 788 | return $b; |
| 789 | } |
| 790 | |
| 791 | // }}} |
| 792 | // {{{ function field_get_select() |
| 793 | |
| 794 | function field_get_select($f) |
| 795 | { |
| 796 | return $f->get_select_statement(); |
| 797 | } |
| 798 | |
| 799 | // }}} |
| 800 | // {{{ function field_get_where() |
| 801 | |
| 802 | /** récupérer la clause WHERE d'un objet champ de recherche */ |
| 803 | function field_get_where($f) |
| 804 | { |
| 805 | return $f->get_where_statement(); |
| 806 | } |
| 807 | |
| 808 | // }}} |
| 809 | // {{{ function field_get_order() |
| 810 | |
| 811 | /** récupérer la clause ORDER BY d'un objet champ de recherche */ |
| 812 | function field_get_order($f) |
| 813 | { |
| 814 | return $f->get_order_statement(); |
| 815 | } |
| 816 | |
| 817 | // }}} |
| 818 | // {{{ function field_get_url() |
| 819 | |
| 820 | /** récupérer le bout d'URL correspondant à un objet champ de recherche */ |
| 821 | function field_get_url($f) |
| 822 | { |
| 823 | return $f->get_url(); |
| 824 | } |
| 825 | |
| 826 | // }}} |
| 827 | // {{{ function get_select_statement() |
| 828 | |
| 829 | function get_select_statement() |
| 830 | { |
| 831 | return implode(' ', array_filter(array_map(array($this, 'field_get_select'), $this->fields))); |
| 832 | } |
| 833 | |
| 834 | // }}} |
| 835 | // {{{ function get_where_statement() |
| 836 | |
| 837 | /** récupérer la clause WHERE du groupe de champs = conjonction (ET) ou disjonction (OU) de |
| 838 | * clauses des champs élémentaires */ |
| 839 | function get_where_statement() |
| 840 | { |
| 841 | $joinText = $this->and ? ' AND ' : ' OR '; |
| 842 | $res = implode($joinText, array_filter(array_map(array($this, 'field_get_where'), $this->fields))); |
| 843 | return $res == '' ? '' : "($res)"; |
| 844 | } |
| 845 | |
| 846 | // }}} |
| 847 | // {{{ function get_order_statement() |
| 848 | |
| 849 | /** récupérer la clause ORDER BY du groupe de champs = conjonction (ET) ou disjonction (OU) de |
| 850 | * clauses des champs élémentaires */ |
| 851 | function get_order_statement() |
| 852 | { |
| 853 | $order = array_filter(array_map(array($this, 'field_get_order'), $this->fields)); |
| 854 | return count($order)>0 ? implode(',', $order) : false; |
| 855 | } |
| 856 | |
| 857 | // }}} |
| 858 | // {{{ function get_url() |
| 859 | |
| 860 | /** récupérer le bout d'URL correspondant à ce groupe de champs = concaténation des bouts d'URL |
| 861 | * des champs élémentaires */ |
| 862 | function get_url($others=Array()) |
| 863 | { |
| 864 | $url = array_filter(array_map(array($this, 'field_get_url'), $this->fields)); |
| 865 | foreach ($url as $key=>$val) { |
| 866 | if (empty($val)) { |
| 867 | unset($url[$key]); |
| 868 | } |
| 869 | } |
| 870 | foreach ($others as $key=>$val) { |
| 871 | if (!empty($val)) { |
| 872 | $url[] = "$key=$val"; |
| 873 | } |
| 874 | } |
| 875 | return count($url)>0 ? implode('&', $url) : false; |
| 876 | } |
| 877 | |
| 878 | // }}} |
| 879 | } |
| 880 | |
| 881 | // }}} |
| 882 | |
| 883 | // vim:set et sw=4 sts=4 sws=4 foldmethod=marker enc=utf-8: |
| 884 | ?> |