include/geoloc.inc.php

   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 // {{{ geoloc_country($current, $avail_only = false)
  23 /** donne la liste déroulante des pays
  24  * @param $current pays actuellement selectionné
  25  */
  26 function geoloc_country($current, $avail_only = false)
  27 {
  28     if ($avail_only) {
  29         $res = XDB::iterRow('SELECT  g.a2, g.pays
  30                                FROM  geoloc_pays AS g
  31                          INNER JOIN  adresses    AS a ON(a.country = g.a2)
  32                            GROUP BY  g.a2
  33                            ORDER BY  g.pays');
  34     } else {
  35         $res = XDB::iterRow('SELECT a2,pays FROM geoloc_pays ORDER BY pays');
  36     }
  37     $html = "";
  38     while (list($my_id, $my_pays) = $res->next()) {
  39         $html .= sprintf("<option value=\"%s\" %s>%s</option>\n",
  40                          $my_id, ($current==$my_id?"selected='selected'":""), $my_pays);
  41     }
  42     return $html;
  43 }
  44
  45 // }}}
  46 // {{{ geoloc_region($country, $current, $avail_only = false)
  47 /** donne la liste deroulante des regions pour un pays
  48  * @param $pays le pays dont on veut afficher les regions
  49  * @param $current la region actuellement selectionnee
  50  */
  51 function geoloc_region($country, $current, $avail_only = false)
  52 {
  53     if ($avail_only) {
  54         $res = XDB::iterRow('SELECT  r.region, r.name
  55                                FROM  geoloc_region AS r
  56                          INNER JOIN  adresses      AS a ON (a.country = r.a2 AND a.region = r.region)
  57                               WHERE  r.a2 = {?}
  58                            GROUP BY  r.region
  59                            ORDER BY  r.name', $country);
  60     } else {
  61         $res = XDB::iterRow('SELECT  region,name
  62                                FROM  geoloc_region
  63                               WHERE  a2 = {?}
  64                            ORDER BY  name', $country);
  65     }
  66     $html = "<option value=\"\"></option>";
  67     while (list($regid, $regname) = $res->next()) {
  68         $html .= sprintf("<option value=\"%s\" %s>%s</option>\n",
  69                  $regid, ($current==$regid?"selected='selected'":""), $regname);
  70     }
  71     return $html;
  72 }
  73 // }}}
  74 // {{{ get_cities_maps($array)
  75 /* get all the maps id of the cities contained in an array */
  76 function get_cities_maps($array)
  77 {
  78     global $globals;
  79     implode("\n",$array);
  80     $url = $globals->geoloc->webservice_url."findMaps.php?datatext=".urlencode(implode("\n", $array));
  81     if (!($f = @fopen($url, 'r'))) return false;
  82     $maps = array();
  83     while (!feof($f))
  84     {
  85         $l = trim(fgets($f));
  86         $tab = explode(';', $l);
  87         $i = $tab[0];
  88         unset($tab[0]);
  89         $maps[$i] = $tab;
  90     }
  91     return $maps;
  92 }
  93 // }}}
  94 // {{{ get_new_maps($url)
  95 /** set new maps from url **/
  96 function get_new_maps($url)
  97 {
  98     if (!($f = @fopen($url, 'r'))) {
  99         return false;
 100     }
 101     XDB::query('TRUNCATE TABLE geoloc_maps');
 102     $s = '';
 103     while (!feof($f)) {
 104         $l = fgetcsv($f, 1024, ';', '"');
 105         foreach ($l as $i => $val) {
 106             if ($val != 'NULL') {
 107                 $l[$i] = '\''.addslashes($val).'\'';
 108             }
 109         }
 110         $s .= ',('.implode(',',$l).')';
 111     }
 112     XDB::execute('INSERT INTO geoloc_maps VALUES '.substr($s, 1));
 113     return true;
 114 }
 115 // }}}
 116 // {{{ geolocGoogle (array $address)
 117 // retrieve the infos on a text address
 118
 119 function geolocGoogle (array &$address)
 120 {
 121     /* keys
 122      * www.polytechnique.org:
 123      * ABQIAAAAIlFNe1A494mwR9Zf4R3t0xRsw9kzQBeaENRP66lRw7Ru3uVJcRR73lY1tmAdYGqw-pyHTdynmicz0w
 124      * www.polytechnique.net and dev.polytechnique.net:
 125      * ABQIAAAAIlFNe1A494mwR9Zf4R3t0xT8SmDPc83znji5QwIVTgAvxgX5zRRMagHx_rmGeQF5SnCzmyqiSeSAxA
 126      * dev.m4x.org:
 127      * ABQIAAAAIlFNe1A494mwR9Zf4R3t0xQ31muaRX97DHXrOFfMwMMCxEnhaxQIPDe9Ct3D6ZvWuGiWllkGAP3IqA
 128      *
 129      * Documentation:
 130      * http://code.google.com/intl/fr/apis/maps/documentation/geocoding/
 131      * http://code.google.com/apis/maps/documentation/reference.html#GGeoAddressAccuracy */
 132
 133     $success    = true;
 134     $key        = 'ABQIAAAAIlFNe1A494mwR9Zf4R3t0xQ31muaRX97DHXrOFfMwMMCxEnhaxQIPDe9Ct3D6ZvWuGiWllkGAP3IqA';
 135     $webservice = "http://maps.google.com/maps/geo?";
 136     $baseurl    = $webservice . "&key=$key" . "&sensor=false&output=json&oe=utf8&gl=fr&hl=fr&q=";
 137
 138     $url = $baseurl . urlencode($address['text']);
 139     if (!geolocalizeAddress($url, $gAddress)) {
 140         $addressLines = explode("\n", $address['text']);
 141         $nbLines      = count($addressLines);
 142         $currentState = array();
 143         $success      = false;
 144         for ($i = 1; !$success && ($i < $nbLines); $i++) {
 145             for ($j = 0; $j < $i; $j++) {
 146                 $currentState[$j] = 0;
 147             }
 148             while($j < $nbLines) {
 149                 $currentState[$j] = 1;
 150                 $j++;
 151             }
 152             do {
 153                 $partialAddress = "";
 154                 for ($j = 0; $j < $nbLines; $j++) {
 155                     if ($currentState[$j] == 1) {
 156                         $partialAddress .= $addressLines[$j] . " ";
 157                     }
 158                 }
 159                 $url     = $baseurl . urlencode(trim($partialAddress));
 160                 $success = geolocalizeAddress($url, $gAddress);
 161             } while (!$success && nextCurrentState($currentState, $nbLines));
 162         }
 163         if ($success) {
 164             $extras = "";
 165             for ($i = 0; $i < $nbLines; $i++) {
 166                 if ($currentState[$i] == 0) {
 167                     $extras .= $addressLines[$i] . ", ";
 168                 }
 169             }
 170             trim($extras, ", ");
 171             $address['extras'] = $extras;
 172         }
 173     }
 174     if ($success) {
 175         fillAddress($address, $gAddress);
 176         formatAddress($address);
 177     }
 178     return $success;
 179 }
 180
 181 // }}}
 182 // {{{ nextCurrentState(&$currentState, $nbLines)
 183
 184 function nextCurrentState(&$currentState, $nbLines)
 185 {
 186     $lastOne = 0;
 187     $nbZeros = 2;
 188     for ($i = 0; $i < $nbLines; $i++) {
 189         if ($currentState[$i] == 1) {
 190             $lastOne = $i;
 191             $nbZeros = 2;
 192         } else {
 193             $nbZeros++;
 194         }
 195     }
 196     if ($lastOne == 0) {
 197         return false;
 198     } elseif ($currentState[$lastOne - 1] == 0) {
 199         $currentState[$lastOne - 1] = 1;
 200         $currentState[$lastOne]     = 0;
 201         return true;
 202     } else {
 203         $lastZero = -1;
 204         for ($j = 0; $j < $lastOne; $j++) {
 205             if ($currentState[$j] == 0) {
 206                 $lastZero = $j;
 207             }
 208         }
 209         if ($lastZero == -1) {
 210             return false;
 211         } else {
 212             $currentState[$lastZero] = 1;
 213             for ($k = $lastZero + 1; $k < $lastZero + $nbZeros; $k++) {
 214                 $currentState[$k] = 0;
 215             }
 216             for ($k = $lastZero + $nbZeros; $k < $nbLines; $k++) {
 217                 $currentState[$k] = 1;
 218             }
 219             return true;
 220         }
 221     }
 222 }
 223
 224 // }}}
 225 // {{{ geolocalizeAddress ($url, &$result)
 226
 227 function geolocalizeAddress ($url, &$result = array())
 228 {
 229     global $globals;
 230
 231     if ($globals->debug & DEBUG_BT) {
 232         if (!isset(PlBacktrace::$bt['Geoloc'])) {
 233             new PlBacktrace('Geoloc');
 234         }
 235         PlBacktrace::$bt['Geoloc']->start($url);
 236     }
 237
 238     if ($f = file_get_contents($url, 'r')) {
 239         $data = json_decode($f, true);
 240         if ($globals->debug & DEBUG_BT) {
 241             PlBacktrace::$bt['Geoloc']->stop(count($data), null, $data);
 242         }
 243         if ($data['Status']['code'] != 200) {
 244             return false;
 245         }
 246         $nbResults = count($data['Placemark']);
 247         $idAccuracy   = 0;
 248         if ($nbResults > 1) {
 249             $bestAccuracy = $data['Placemark'][0]['AddressDetails']['Accuracy'];
 250             for ($i = 1; $i < $nbResults; $i++) {
 251                 if ($data['Placemark'][$i]['AddressDetails']['Accuracy'] > $bestAccuracy) {
 252                     unset($data['Placemark'][$idAccuracy]);
 253                     $bestAccuracy = $data['Placemark'][$i]['AddressDetails']['Accuracy'];
 254                     $idAccuracy   = $i;
 255                 } else {
 256                     unset($data['Placemark'][$i]);
 257                 }
 258             }
 259         }
 260         $result = $data['Placemark'][$idAccuracy];
 261         return true;
 262     }
 263     if ($globals->debug & DEBUG_BT) {
 264         PlBacktrace::$bt['Geoloc']->stop(0, "Can't fetch result.");
 265     }
 266     return false;
 267 }
 268
 269 // }}}
 270 // {{{ fillAddress(array &$address, $gAddress)
 271
 272 function fillAddress(array &$address, array $gAddress)
 273 {
 274     // An address is Country -> AdministrativeArea -> SubAdministrativeArea -> Locality -> Thoroughfare
 275     // with all the shortcuts possible
 276
 277     // postalText
 278     $address['geoloc'] = str_replace(", ", "\n", $gAddress['address']);
 279     if (isset($gAddress['AddressDetails']['Accuracy'])) {
 280         $address['accuracy'] = $gAddress['AddressDetails']['Accuracy'];
 281     }
 282     $currentPosition = $gAddress['AddressDetails'];
 283     if (isset($currentPosition['Country'])) {
 284         $currentPosition      = $currentPosition['Country'];
 285         $address['countryId'] = $currentPosition['CountryNameCode'];
 286         $address['country']   = $currentPosition['CountryName'];
 287     }
 288     if (isset($currentPosition['AdministrativeArea'])) {
 289         $currentPosition                   = $currentPosition['AdministrativeArea'];
 290         $address['administrativeAreaName'] = $currentPosition['AdministrativeAreaName'];
 291     }
 292     if (isset($currentPosition['SubAdministrativeArea'])) {
 293         $currentPosition                      = $currentPosition['SubAdministrativeArea'];
 294         $address['subAdministrativeAreaName'] = $currentPosition['SubAdministrativeAreaName'];
 295     }
 296     if (isset($currentPosition['Locality'])) {
 297         $currentPosition          = $currentPosition['Locality'];
 298         $address['localityName']  = $currentPosition['LocalityName'];
 299     }
 300     if (isset($currentPosition['Thoroughfare'])) {
 301         $address['thoroughfareName'] = $currentPosition['Thoroughfare']['ThoroughfareName'];
 302     }
 303     if (isset($currentPosition['PostalCode'])) {
 304         $address['postalCode'] = $currentPosition['PostalCode']['PostalCodeNumber'];
 305     }
 306
 307     // Coordinates
 308     if (isset($gAddress['Point']['coordinates'][0])) {
 309         $address['latitude'] = $gAddress['Point']['coordinates'][0];
 310     }
 311     if (isset($gAddress['Point']['coordinates'][1])) {
 312         $address['longitude'] = $gAddress['Point']['coordinates'][1];
 313     }
 314     if (isset($gAddress['ExtendedData']['LatLonBox']['north'])) {
 315         $address['north'] = $gAddress['ExtendedData']['LatLonBox']['north'];
 316     }
 317     if (isset($gAddress['ExtendedData']['LatLonBox']['south'])) {
 318         $address['south'] = $gAddress['ExtendedData']['LatLonBox']['south'];
 319     }
 320     if (isset($gAddress['ExtendedData']['LatLonBox']['east'])) {
 321         $address['east'] = $gAddress['ExtendedData']['LatLonBox']['east'];
 322     }
 323     if (isset($gAddress['ExtendedData']['LatLonBox']['west'])) {
 324         $address['west'] = $gAddress['ExtendedData']['LatLonBox']['west'];
 325     }
 326 }
 327
 328 // }}}
 329 // {{{ formatAddress(array &$address)
 330
 331 function formatAddress(array &$address)
 332 {
 333     $same = true;
 334     $text   = strtoupper(preg_replace(array("/[0-9,\"'#~:;_\- ]/", "/\r\n/"),
 335                                       array("", "\n"), $address['text']));
 336     $geoloc = strtoupper(preg_replace(array("/[0-9,\"'#~:;_\- ]/", "/\r\n/"),
 337                                       array("", "\n"), $address['geoloc']));
 338     if (isset($address['extras'])) {
 339         $extras = strtoupper(preg_replace(array("/[0-9,\"'#~:;_\- ]/", "/\r\n/"),
 340                                           array("", "\n"), $address['extras']));
 341         $geoloc = $extras . $geoloc;
 342         unset($address['extras']);
 343     }
 344
 345     $arrayText   = explode("\n", $text);
 346     $arrayGeoloc = explode("\n", $geoloc);
 347     $nbText   = count($arrayText);
 348     $nbGeoloc = count($arrayGeoloc);
 349
 350     if ((($nbText > $nbGeoloc) || ($nbText < $nbGeoloc - 1))
 351         || (($nbText == $nbGeoloc - 1) && ($arrayText[$nbText - 1] == strtoupper($address['country'])))) {
 352         $same = false;
 353     } else {
 354         foreach ($arrayText as $i => $lignText) {
 355             if (levenshtein($lignText, trim($arrayGeoloc[$i])) > 3) {
 356                 $same = false;
 357             }
 358         }
 359     }
 360     if ($same) {
 361         $address['text'] = $address['geoloc'];
 362         unset($address['geoloc']);
 363     }
 364 }
 365
 366 // }}}
 367 // {{{ cleanText(&$text)
 368
 369 function cleanText(&$text)
 370 {
 371     $lines = explode("\n", $text);
 372     $n =  count($lines);
 373     $text = "";
 374     for ($i = 0; $i < $n; $i++) {
 375         if (trim($lines[$i])) {
 376             $text .= trim($lines[$i]) . "\n";
 377         }
 378     }
 379     $text = trim($text);
 380 }
 381
 382 // }}}
 383 // {{{ getAreaId(array &$address, $area)
 384
 385 function getAreaId(array &$address, $area)
 386 {
 387     if (isset($address[$area . 'Name'])) {
 388         $res = XDB::query("SELECT  id
 389                              FROM  geoloc_" . $area . "
 390                             WHERE  name = {?}",
 391                           $address[$area . 'Name']);
 392         if ($res->numRows() == 0) {
 393             $address[$area . 'Id'] = XDB::execute("INSERT INTO  geoloc_" . $area . " (name, country)
 394                                                         VALUES  ({?}, {?})",
 395                                                   $address[$area . 'Name'], $address['countryId']);
 396         } else {
 397             $address[$area . 'Id'] = $res->fetchOneCell();
 398         }
 399     }
 400 }
 401
 402 // }}}
 403 // {{{ get_address_text($adr)
 404 /** make the text of an address that can be read by a mailman
 405  * @param $adr an array with all the usual fields
 406  */
 407 function get_address_text($adr)
 408 {
 409     $t = "";
 410     if (isset($adr['adr1']) && $adr['adr1']) $t.= $adr['adr1'];
 411     if (isset($adr['adr2']) && $adr['adr2']) $t.= "\n".$adr['adr2'];
 412     if (isset($adr['adr3']) && $adr['adr3']) $t.= "\n".$adr['adr3'];
 413     $l = "";
 414     if (isset($adr['display']) && $adr['display']) {
 415         $keys = explode(' ', $adr['display']);
 416         foreach ($keys as $key) {
 417             if (isset($adr[$key])) {
 418                 $l .= " ".$adr[$key];
 419             } else {
 420                 $l .= " ".$key;
 421             }
 422         }
 423         if ($l) substr($l, 1);
 424     } elseif ($adr['country'] == 'US' || $adr['country'] == 'CA' || $adr['country'] == 'GB') {
 425         if ($adr['city']) $l .= $adr['city'].",\n";
 426         if ($adr['region']) $l .= $adr['region']." ";
 427         if ($adr['postcode']) $l .= $adr['postcode'];
 428     } else {
 429         if (isset($adr['postcode']) && $adr['postcode']) $l .= $adr['postcode']." ";
 430         if (isset($adr['city']) && $adr['city']) $l .= $adr['city'];
 431     }
 432     if ($l) $t .= "\n".trim($l);
 433     if ($adr['country'] != '00' && (!$adr['countrytxt'] || $adr['countrytxt'] == strtoupper($adr['countrytxt']))) {
 434         $res = XDB::query("SELECT pays FROM geoloc_pays WHERE a2 = {?}", $adr['country']);
 435         $adr['countrytxt'] = $res->fetchOneCell();
 436     }
 437     if (isset($adr['countrytxt']) && $adr['countrytxt']) {
 438         $t .= "\n".$adr['countrytxt'];
 439     }
 440     return trim($t);
 441 }
 442 // }}}
 443 // {{{ compare_addresses_text($a, $b)
 444 /** compares if two address matches
 445  * @param $a the raw text of an address
 446  * @param $b the raw text of a complete valid address
 447  */
 448 function compare_addresses_text($a, $b)
 449 {
 450     $ta = strtoupper(preg_replace(array("/[0-9,\"'#~:;_\- ]/", "/\r\n/"), array("", "\n"), $a));
 451     $tb = strtoupper(preg_replace(array("/[0-9,\"'#~:;_\- ]/", "/\r\n/"), array("", "\n"), $b));
 452
 453     $la = explode("\n", $ta);
 454     $lb = explode("\n", $tb);
 455
 456     if (count($lb) > count($la) + 1) {
 457         return false;
 458     }
 459     foreach ($la as $i => $l) {
 460         if (levenshtein(trim($l), trim($lb[$i])) > 3) {
 461             return false;
 462         }
 463     }
 464     return true;
 465 }
 466
 467 // }}}
 468 // {{{ fixNumber($oldtext, &$new)
 469
 470 function fixNumber($oldtext, &$new)
 471 {
 472     $ThoroughfareName = $new['AddressDetails']['Country']['AdministrativeArea']['SubAdministrativeArea']['Locality']['Thoroughfare']['ThoroughfareName'];
 473     $ThoroughfareName = trim(strtoupper(preg_replace(array("/[,\"'#~:;_\-]/", "/\r\n/"),
 474                                                      array("", "\n"), $ThoroughfareName)));
 475     $oldarray = explode("\n", trim(strtoupper(preg_replace(array("/[,\"'#~:;_\-]/", "/\r\n/"),
 476                                                            array("", "\n"), $oldtext))));
 477     $mindist = strlen($ThoroughfareName);
 478     $minpos  = 0;
 479     foreach ($oldarray as $i => $oldline) {
 480         if (($l = levenshtein(trim($oldline), $ThoroughfareName)) < $mindist) {
 481             $mindist = $l;
 482             $minpos  = $i;
 483         }
 484     }
 485     $nb = explode(" ", $oldarray[$minpos]);
 486     $new['text'] = $nb[0] . " " . $new['text'];
 487 }
 488
 489 // }}}
 490 // {{{ localize_addresses($uid)
 491 /* localize all the address of a user and modify the database
 492  * if the new address match with the old one
 493  * @param $uid the id of the user
 494  */
 495 function localize_addresses($uid)
 496 {
 497     $res = XDB::iterator("SELECT  *
 498                             FROM  adresses
 499                            WHERE  uid = {?} and (cityid IS NULL OR cityid = 0)", $uid);
 500     $erreur = Array();
 501
 502     while ($a = $res->next()) {
 503         $new = get_address_infos($ta = get_address_text($a));
 504         if (compare_addresses_text($ta, get_address_text($new))) {
 505             XDB::execute("UPDATE  adresses
 506                              SET  adr1 = {?}, adr2 = {?}, adr3 = {?},
 507                                   cityid = {?}, city = {?}, postcode = {?},
 508                                   region = {?}, regiontxt = {?}, country = {?},
 509                                   glat = {?}, glng = {?}
 510                            WHERE  uid = {?} AND adrid = {?}",
 511                           $new['adr1'], $new['adr2'], $new['adr3'],
 512                           $new['cityid'], $new['city'], $new['postcode'],
 513                           $new['region'], $new['regiontxt'], $new['country'],
 514                           $new['precise_lat'], $new['precise_lon'],
 515                           $uid, $a['adrid']);
 516             $new['store'] = true;
 517             if (!$new['cityid']) {
 518                 $erreur[$a['adrid']] = $new;
 519             }
 520         } else {
 521             $new['store'] = false;
 522             $erreur[$a['adrid']] = $new;
 523         }
 524     }
 525     return $erreur;
 526 }
 527 // }}}
 528 // {{{ get_address_infos($txt)
 529 /** retrieve the infos on a text address
 530  * store on the fly the info of the city concerned
 531  * @param $txt the raw text of an address
 532  */
 533
 534 function get_address_infos($txt)
 535 {
 536     global $globals;
 537
 538     $url = $globals->geoloc->webservice_url."address.php?precise=1&txt=" . urlencode($txt);
 539     if ($globals->debug & DEBUG_BT) {
 540         if (!isset(PlBacktrace::$bt['Geoloc'])) {
 541             new PlBacktrace('Geoloc');
 542         }
 543         PlBacktrace::$bt['Geoloc']->start($url);
 544     }
 545     $f = @fopen($url, 'r');
 546     if ($f === false) {
 547         if ($globals->debug & DEBUG_BT) {
 548             PlBacktrace::$bt['Geoloc']->stop(0, 'Can\'t fetch result');
 549         }
 550         return false;
 551     }
 552     $keys = explode('|',fgets($f));
 553     $vals = explode('|',fgets($f));
 554     if ($globals->debug & DEBUG_BT) {
 555         $data = array();
 556         for ($i = 0 ; $i < count($keys) ; ++$i) {
 557             $data[] = array($keys[$i], $vals[$i]);
 558         }
 559         PlBacktrace::$bt['Geoloc']->stop(count($keys), null, $data);
 560     }
 561     $infos = empty_address();
 562     foreach ($keys as $i=>$key) {
 563         if($vals[$i]) {
 564             if ($key == 'sql') {
 565                 $infos[$key] = $vals[$i];
 566             } else {
 567                 $val = strtr($vals[$i], array(chr(197).chr(147) => "&oelig;"));
 568                 $infos[$key] = $val;
 569             }
 570         }
 571     }
 572     if (empty($infos['country'])) {
 573         $infos['country'] = '00';
 574     }
 575     if (isset($infos['sql']) && $infos['sql']) {
 576         $sql = explode(', ', trim($infos['sql'], '()'));
 577         if (count($sql) == 16) {
 578             for ($i = 0 ; $i < 16 ; ++$i) {
 579                 $sql[$i] = stripslashes(trim($sql[$i], ' \''));
 580             }
 581             XDB::execute("REPLACE INTO  geoloc_city
 582                                 VALUES  ({?}, {?}, {?}, {?}, {?}, {?},
 583                                          {?}, {?}, {?}, {?}, {?}, {?},
 584                                          {?}, {?}, {?}, {?})",
 585                          $sql[0], $sql[1], $sql[2], $sql[3], $sql[4], $sql[5],
 586                          $sql[6], $sql[7], $sql[8], $sql[9], $sql[10], $sql[11],
 587                          $sql[12], $sql[13], $sql[14], $sql[15]);
 588         }
 589     }
 590     if (isset($infos['display']) && $infos['display'])
 591         XDB::execute("UPDATE  geoloc_pays
 592                          SET  display = {?}
 593                        WHERE  a2 = {?}", $infos['display'], $infos['country']);
 594     if (isset($infos['cityid'])) {
 595         fix_cities_not_on_map(1, $infos['cityid']);
 596         if (floatval($infos['precise_lat']) && floatval($infos['precise_lon'])) {
 597             $res = XDB::query("SELECT  c.lat / 100000, c.lon / 100000
 598                                  FROM  geoloc_city AS c
 599                                 WHERE  c.id = {?}", $infos['cityid']);
 600             if ($res->numRows()) {
 601                 list($glat, $glng) = $res->fetchOneRow();
 602                 $infos['precise_lat'] = $glat;
 603                 $infos['precise_lon'] = $glng;
 604             }
 605         }
 606     }
 607     return $infos;
 608 }
 609
 610 // }}}
 611 // {{{ synchro_city($id)
 612 /** synchronise the local geoloc_city base to geoloc.org
 613  * @param $id the id of the city to synchronize
 614  */
 615 function synchro_city($id)
 616 {
 617     global $globals;
 618     $url = $globals->geoloc->webservice_url."cityFinder.php?method=id&id=".$id."&out=sql";
 619     if (!($f = @fopen($url, 'r'))) {
 620         return false;
 621     }
 622     $s = fgets($f);
 623     if ($s) {
 624         return XDB::execute("REPLACE INTO geoloc_city VALUES ".$s) > 0;
 625     }
 626 }
 627  // }}}
 628 // {{{ function fix_cities_not_on_map($limit)
 629 function fix_cities_not_on_map($limit=false, $cityid=false)
 630 {
 631     $missing = XDB::query("SELECT  c.id
 632                              FROM  geoloc_city AS c
 633                         LEFT JOIN  geoloc_city_in_maps AS m ON(c.id = m.city_id)
 634                             WHERE  m.city_id IS NULL"
 635                             . ($cityid ? " AND c.id = '" . $cityid . "'" : "" )
 636                             . ($limit ?  " LIMIT $limit" : "" ));
 637     $maps = get_cities_maps($missing->fetchColumn());
 638     if ($maps) {
 639         $values = "";
 640         foreach ($maps as $cityid => $maps_c) {
 641             foreach ($maps_c as $map_id) {
 642                 $values .= ",($cityid, $map_id, '')";
 643             }
 644         }
 645         if (strlen($values) > 1) {
 646             XDB::execute("REPLACE INTO  geoloc_city_in_maps
 647                                 VALUES  ".substr($values, 1));
 648         }
 649     } else {
 650         return false;
 651     }
 652     return true;
 653 }
 654
 655 function set_smallest_levels()
 656 {
 657     $maxlengths = XDB::iterRow("SELECT  MAX(LENGTH(gm.path)), gcim.city_id
 658                                   FROM  geoloc_city_in_maps AS gcim
 659                             INNER JOIN  geoloc_maps AS gm USING ( map_id )
 660                               GROUP BY  gcim.city_id");
 661     while (list($length, $id) = $maxlengths->next()) {
 662         XDB::execute("UPDATE  geoloc_city_in_maps AS gcim
 663                   INNER JOIN  geoloc_maps AS gm USING(map_id)
 664                          SET  gcim.infos = IF(LENGTH(gm.path) = {?}, 'smallest', '')
 665                        WHERE  gcim.city_id = {?}", $length, $id);
 666     }
 667     return true;
 668 }
 669 // }}}
 670
 671 function geoloc_to_x($lon, $lat)
 672 {
 673     return deg2rad(1) * $lon *100;
 674 }
 675
 676 function geoloc_to_y($lon, $lat)
 677 {
 678     if ($lat < -75) {
 679         return latToY(-75);
 680     }
 681     if ($lat > 75) {
 682         return latToY(75);
 683     }
 684     return -100 * log(tan(pi()/4 + deg2rad(1)/2*$lat));
 685 }
 686
 687 function size_of_city($nb)
 688 {
 689     $s = round(log($nb + 1)*2,2);
 690     if ($s < 1) {
 691         return 1;
 692     }
 693     return $s;
 694 }
 695
 696 function size_of_territory($nb)
 697 {
 698     return size_of_city($nb);
 699 }
 700
 701 function geoloc_getData_subcities($mapid, $SFields, &$cities, $direct=true)
 702 {
 703     if ($SFields instanceof UserSet) {
 704         $set = $SFields;
 705         $SFields = array();
 706     } else {
 707         $set = new UserSet();
 708     }
 709     for ($i_mapfield=0; $i_mapfield < count($SFields) ; $i_mapfield++) {
 710         if ($SFields[$i_mapfield]->fieldFormName == 'mapid') {
 711             break;
 712         }
 713     }
 714     $SFields[$i_mapfield] = new MapSField('mapid',
 715                                           array('gcim.map_id'),
 716                                           array('adresses','geoloc_city_in_maps'),
 717                                           array('am','gcim'),
 718                                           array(getadr_join('am'), 'am.cityid = gcim.city_id'),
 719                                           $mapid);
 720     $fields = new SFieldGroup(true, $SFields);
 721     $where = $fields->get_where_statement();
 722     $joins = $fields->get_select_statement();
 723     if ($where) {
 724         $where .= ' AND ';
 725     }
 726     $cityres = $set->get('gc.id,
 727                           gc.lon / 100000 AS x, gc.lat/100000 AS y,
 728                           gc.name,
 729                           COUNT(u.user_id) AS pop,
 730                           SUM(u.promo % 2) AS yellow',
 731                           "$joins
 732                           LEFT JOIN  geoloc_city  AS gc ON(gcim.city_id = gc.id)",
 733                           $where . ($direct ? "gcim.infos = 'smallest'" : '1'),
 734                           'gc.id, gc.alias',
 735                           'pop DESC');
 736     foreach($cityres as $c) {
 737         if ($c['pop'] > 0) {
 738             $city = $c;
 739             $city['x'] = geoloc_to_x($c['x'], $c['y']);
 740             $city['y'] = geoloc_to_y($c['x'], $c['y']);
 741             $city['size'] = size_of_city($c['pop']);
 742             $cities[$c['id']] = $city;
 743         }
 744     }
 745 }
 746
 747 function geoloc_getData_subcountries($mapid, $sin, $minentities)
 748 {
 749     $countries = array();
 750     $cities = array();
 751
 752     if ($mapid === false) {
 753         $wheremapid = "WHERE gm.parent IS NULL";
 754     } else {
 755         $wheremapid = "WHERE   gm.parent = {?}";
 756     }
 757     $submapres = XDB::iterator(
 758         "SELECT  gm.map_id AS id, gm.name, gm.x, gm.y, gm.xclip, gm.yclip,
 759                  gm.width, gm.height, gm.scale, 1 AS rat
 760            FROM  geoloc_maps AS gm
 761         ". $wheremapid, Env::v('mapid',''));
 762
 763     global $globals;
 764
 765     while ($c = $submapres->next()) {
 766         $country = $c;
 767         $country['color'] = 0xFFFFFF;
 768         $country['swf'] = $globals->geoloc->webservice_url."maps/mercator/map_".$c['id'].".swf";
 769         $countries[$c['id']] = $country;
 770     }
 771
 772     if ($mapid === false) {
 773         return array($countries, $cities);
 774     }
 775
 776     geoloc_getData_subcities(Env::i('mapid'), $sin, $cities);
 777     $nbcities = count($cities);
 778     $nocity = $nbcities == 0;
 779     if ($sin instanceof UserSet) {
 780         $set = $sin;
 781         $SFields = array();
 782     } else {
 783         $set = new UserSet();
 784         $SFields = $sin;
 785     }
 786
 787     for ($i_mapfield=0; $i_mapfield < count($SFields) ; $i_mapfield++) {
 788         if ($SFields[$i_mapfield]->fieldFormName == 'mapid') {
 789             break;
 790         }
 791     }
 792     $SFields[$i_mapfield] = new MapSField('mapid',
 793                                           array('map.parent'),
 794                                           array('adresses','geoloc_city_in_maps','geoloc_maps'),
 795                                           array('am','gcim','map'),
 796                                           array(getadr_join('am'),
 797                                           'am.cityid = gcim.city_id',
 798                                           'map.map_id = gcim.map_id'));
 799     $fields = new SFieldGroup(true, $SFields);
 800     $where  = $fields->get_where_statement();
 801     $joins  = $fields->get_select_statement();
 802     $countryres = $set->get('map.map_id AS id,
 803                              COUNT(u.user_id) AS nbPop,
 804                              SUM(u.promo % 2) AS yellow,
 805                              COUNT(DISTINCT gcim.city_id) AS nbCities,
 806                              SUM(IF(u.user_id IS NULL,0,am.glng)) AS lonPop,
 807                              SUM(IF(u.user_id IS NULL, 0,am.glat)) AS latPop',
 808                             $joins,
 809                             $where,
 810                             'map.map_id',
 811                             'NULL');
 812
 813     $maxpop = 0;
 814     $nbentities = $nbcities + count($countryres);
 815     foreach ($countryres as $c) {
 816         $c['latPop'] /= $c['nbPop'];
 817         $c['lonPop'] /= $c['nbPop'];
 818         $c['rad'] = size_of_territory($c['nbPop']);
 819         if ($maxpop < $c['nbPop']) $maxpop = $c['nbPop'];
 820         $c['xPop'] = geoloc_to_x($c['lonPop'], $c['latPop']);
 821         $c['yPop'] = geoloc_to_y($c['lonPop'], $c['latPop']);
 822         @$countries[$c['id']] = array_merge($countries[$c['id']], $c);
 823
 824         $nbcities += $c['nbCities'];
 825     }
 826
 827     if ($nocity && $nbcities < $minentities){
 828         foreach($countries as $i => $c) {
 829             $countries[$i]['nbPop'] = 0;
 830             if (@$c['nbCities'] > 0) {
 831                 geoloc_getData_subcities($c['id'], $sin, $cities, false);
 832             }
 833         }
 834     }
 835
 836     foreach ($countries as $i => $c) {
 837         if (@$c['nbPop'] > 0) {
 838             $lambda = pow($c['nbPop'] / $maxpop,0.3);
 839             $countries[$i]['color'] = 0x0000FF + round((1-$lambda) * 0xFF)*0x010100;
 840         }
 841     }
 842
 843     return array($countries, $cities);
 844 }
 845
 846 // vim:set et sw=4 sts=4 sws=4 foldmethod=marker enc=utf-8:
 847 ?>