include/geoloc.inc.php

   1 <?php
   2 /***************************************************************************
   3  *  Copyright (C) 2003-2006 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 // {{{ liste les pays ou les régions d'un pays
  23 /** donne la liste déroulante des pays
  24  * @param $current pays actuellement selectionné
  25  */
  26 function geoloc_country($current) {
  27     $res  = XDB::iterRow('SELECT a2,pays FROM geoloc_pays ORDER BY pays');
  28     $html = "";
  29     while (list($my_id, $my_pays) = $res->next()) {
  30         $html .= sprintf("<option value=\"%s\" %s>%s</option>\n",
  31                 $my_id, ($current==$my_id?"selected='selected'":""), $my_pays);
  32     }
  33     return $html;
  34 }
  35
  36 function _geoloc_country_smarty($params){
  37   if(!isset($params['country']))
  38     return;
  39   return geoloc_country($params['country']);
  40 }
  41 $GLOBALS['page']->register_function('geoloc_country', '_geoloc_country_smarty');
  42
  43 /** donne la liste deroulante des regions pour un pays
  44  * @param $pays le pays dont on veut afficher les regions
  45  * @param $current la region actuellement selectionnee
  46  */
  47 function geoloc_region($country,$current) {
  48     $res  = XDB::iterRow('SELECT region,name FROM geoloc_region where a2={?} ORDER BY name', $country);
  49     $html = "<option value=\"\"></option>";
  50     while (list($regid, $regname) = $res->next()) {
  51         $html .= sprintf("<option value=\"%s\" %s>%s</option>\n",
  52                 $regid, ($current==$regid?"selected='selected'":""), $regname);
  53     }
  54     return $html;
  55
  56 }
  57 function _geoloc_region_smarty($params){
  58   if(!isset($params['country']))
  59     return;
  60   if(!isset($params['region']))
  61     return;
  62   return geoloc_region($params['country'], $params['region']);
  63 }
  64 $GLOBALS['page']->register_function('geoloc_region', '_geoloc_region_smarty');
  65 // }}}
  66
  67 // {{{ get_address_infos($txt)
  68 /** retrieve the infos on a text address
  69  * store on the fly the info of the city concerned
  70  * @param $txt the raw text of an address
  71  */
  72 function get_address_infos($txt) {
  73     global $globals;
  74     $url = $globals->geoloc->webservice_url."address.php?precise=1&txt=".urlencode(utf8_encode($txt));
  75     if (!($f = @fopen($url, 'r'))) return false;
  76     $keys = explode('|',fgets($f));
  77     $vals = explode('|',fgets($f));
  78     $infos = array();
  79     foreach ($keys as $i=>$key) {
  80         if($vals[$i]) {
  81             if ($key == 'sql') {
  82                 $infos[$key] = $vals[$i];
  83             } else {
  84                 $val = strtr($vals[$i], array(chr(197).chr(147) => "&oelig;"));
  85                 $infos[$key] = (iconv('utf-8', 'utf-8', $val) == $val)  ? utf8_decode($val) : $val;
  86             }
  87         }
  88     }
  89     if ($infos['sql'])
  90        XDB::execute("REPLACE INTO geoloc_city VALUES ".$infos['sql']);
  91     if ($infos['display'])
  92        XDB::execute("UPDATE geoloc_pays SET display = {?} WHERE a2 = {?}", $infos['display'], $infos['country']);
  93     return $infos;
  94 }
  95 // }}}
  96
  97 // {{{ get_cities_maps($array)
  98 /* get all the maps id of the cities contained in an array */
  99 function get_cities_maps($array)
 100 {
 101     global $globals;
 102     implode("\n",$array);
 103     $url = $globals->geoloc->webservice_url."findMaps.php?datatext=".urlencode(utf8_encode(implode("\n", $array)));
 104     if (!($f = @fopen($url, 'r'))) return false;
 105     $maps = array();
 106     while (!feof($f))
 107     {
 108         $l = trim(fgets($f));
 109         $tab = explode(';', $l);
 110         $i = $tab[0];
 111         unset($tab[0]);
 112         $maps[$i] = $tab;
 113     }
 114     return $maps;
 115 }
 116 // }}}
 117
 118 // {{{ get_new_maps($url)
 119 /** set new maps from url **/
 120 function get_new_maps($url)
 121 {
 122     if (!($f = @fopen($url, 'r'))) {
 123         return false;
 124     }
 125     XDB::query('TRUNCATE TABLE geoloc_maps');
 126     $s = '';
 127     while (!feof($f)) {
 128         $l = fgetcsv($f, 1024, ';', '"');
 129         foreach ($l as $i => $val) {
 130             if ($val != 'NULL') {
 131                 $l[$i] = '\''.addslashes($val).'\'';
 132             }
 133         }
 134         $s .= ',('.implode(',',$l).')';
 135     }
 136     XDB::execute('INSERT INTO geoloc_maps VALUES '.substr($s, 1));
 137     return true;
 138 }
 139 // }}}
 140
 141 // {{{ get_address_text($adr)
 142 /** make the text of an address that can be read by a mailman
 143  * @param $adr an array with all the usual fields
 144  */
 145 function get_address_text($adr) {
 146     $t = "";
 147     if ($adr['adr1']) $t.= $adr['adr1'];
 148     if ($adr['adr2']) $t.= "\n".$adr['adr2'];
 149     if ($adr['adr3']) $t.= "\n".$adr['adr3'];
 150     $l = "";
 151     if ($adr['display']) {
 152         $keys = explode(' ', $adr['display']);
 153         foreach ($keys as $key) {
 154             if (isset($adr[$key]))
 155                 $l .= " ".$adr[$key];
 156             else
 157                 $l .= " ".$key;
 158         }
 159         if ($l) $l = substr($l, 1);
 160     }
 161     else
 162     {
 163         if ($adr['country'] == 'US' || $adr['country'] == 'CA' || $adr['country'] == 'GB') {
 164             if ($adr['city']) $l .= $adr['city'].",\n";
 165             if ($adr['region']) $l .= $adr['region']." ";
 166             if ($adr['postcode']) $l .= $adr['postcode'];
 167         } else {
 168             if ($adr['postcode']) $l .= $adr['postcode']." ";
 169             if ($adr['city']) $l .= $adr['city'];
 170         }
 171     }
 172     if ($l) $t .= "\n".trim($l);
 173     if ($adr['country'] != '00' && (!$adr['countrytxt'] || $adr['countrytxt'] == strtoupper($adr['countrytxt']))) {
 174         $res = XDB::query("SELECT pays FROM geoloc_pays WHERE a2 = {?}", $adr['country']);
 175         $adr['countrytxt'] = $res->fetchOneCell();
 176     }
 177     if ($adr['countrytxt']) $t .= "\n".$adr['countrytxt'];
 178     return trim($t);
 179 }
 180 // }}}
 181
 182 // {{{ compare_addresses_text($a, $b)
 183 /** compares if two address matches
 184  * @param $a the raw text of an address
 185  * @param $b the raw text of a complete valid address
 186  */
 187 function compare_addresses_text($a, $b) {
 188     $ta = strtoupper(preg_replace(array("/[0-9,\"'#~:;_\- ]/", "/\r\n/"), array("", "\n"), $a));
 189     $tb = strtoupper(preg_replace(array("/[0-9,\"'#~:;_\- ]/", "/\r\n/"), array("", "\n"), $b));
 190
 191     $la = explode("\n", $ta);
 192     $lb = explode("\n", $tb);
 193
 194     if (count($lb) > count($la) + 1) return false;
 195     foreach ($la as $i=>$l) if (levenshtein($l, $lb[$i]) > 3) return false;
 196     return true;
 197 }
 198
 199 // }}}
 200
 201 function empty_address() {
 202     return Array(
 203         "adr1" => "",
 204         "adr2" => "",
 205         "adr3" => "",
 206         "cityid" => NULL,
 207         "city" => "",
 208         "postcode" => "",
 209         "region" => "",
 210         "regiontxt" => "",
 211         "country" => "00",
 212         "countrytxt" => "");
 213 }
 214
 215 // create a simple address from a text without geoloc
 216 function cut_address($txt) {
 217     $txt = str_replace("\r\n", "\n", $txt);
 218     ereg("^([^\n]*)(\n([^\n]*)(\n(.*))?)?$", trim($txt), $a);
 219     return array("adr1" => trim($a[1]), "adr2" => trim($a[3]), "adr3" => trim(str_replace("\n", " ", $a[5])));
 220 }
 221
 222 // {{{ localize_addresses($uid)
 223 /* localize all the address of a user and modify the database
 224  * if the new address match with the old one
 225  * @param $uid the id of the user
 226  */
 227 function localize_addresses($uid) {
 228     $res = XDB::iterator("SELECT * FROM adresses WHERE uid = {?} and (cityid IS NULL OR cityid = 0)", $uid);
 229     $erreur = Array();
 230
 231     while ($a = $res->next()) {
 232         $new = get_address_infos($ta = get_address_text($a));
 233         if (compare_addresses_text($ta, get_address_text($new))) {
 234             XDB::execute("UPDATE adresses SET
 235                 adr1 = {?}, adr2 = {?}, adr3 = {?},
 236                 cityid = {?}, city = {?}, postcode = {?},
 237                 region = {?}, regiontxt = {?}, country = {?},
 238                 glat = {?}, glng = {?}
 239                 WHERE uid = {?} AND adrid = {?}",
 240                 $new['adr1'], $new['adr2'], $new['adr3'],
 241                 $new['cityid'], $new['city'], $new['postcode'],
 242                 $new['region'], $new['regiontxt'], $new['country'],
 243                 $new['precise_lat'], $new['precise_lon'],
 244                 $uid, $a['adrid']);
 245                 $new['store'] = true;
 246                 if (!$new['cityid']) $erreur[$a['adrid']] = $new;
 247         } else {
 248             $new['store'] = false;
 249             $erreur[$a['adrid']] = $new;
 250         }
 251     }
 252     return $erreur;
 253 }
 254 // }}}
 255
 256 // {{{ synchro_city($id)
 257 /** synchronise the local geoloc_city base to geoloc.org
 258  * @param $id the id of the city to synchronize
 259  */
 260  function synchro_city($id) {
 261     global $globals;
 262     $url = $globals->geoloc->webservice_url."cityFinder.php?method=id&id=".$id."&out=sql";
 263     if (!($f = @fopen($url, 'r'))) return false;
 264     $s = fgets($f);
 265     if ($s)
 266         return XDB::execute("REPLACE INTO geoloc_city VALUES ".$s) > 0;
 267  }
 268  // }}}
 269
 270 // {{{ function fix_cities_not_on_map($limit)
 271 function fix_cities_not_on_map($limit=false)
 272 {
 273     $missing = XDB::query("SELECT c.id FROM geoloc_city AS c LEFT JOIN geoloc_city_in_maps AS m ON(c.id = m.city_id) WHERE m.city_id IS NULL".($limit?" LIMIT $limit":""));
 274     $maps = get_cities_maps($missing->fetchColumn());
 275     if ($maps)
 276     {
 277         $values = "";
 278         foreach ($maps as $cityid => $maps_c)
 279             foreach ($maps_c as $map_id)
 280                 $values .= ",($cityid, $map_id, '')";
 281         XDB::execute("REPLACE INTO geoloc_city_in_maps VALUES ".substr($values, 1));
 282     }
 283     else
 284         return false;
 285     return true;
 286 }
 287
 288 function set_smallest_levels() {
 289     $maxlengths = XDB::iterRow("SELECT MAX(LENGTH(gm.path)), gcim.city_id
 290         FROM geoloc_city_in_maps AS gcim
 291         INNER JOIN geoloc_maps AS gm
 292         USING ( map_id )
 293         GROUP BY gcim.city_id
 294         ");
 295     while (list($length, $id) = $maxlengths->next()) {
 296         XDB::execute("UPDATE geoloc_city_in_maps AS gcim
 297             INNER JOIN geoloc_maps AS gm USING(map_id)
 298             SET gcim.infos = IF(LENGTH(gm.path) = {?}, 'smallest', '')
 299             WHERE gcim.city_id = {?}", $length, $id);
 300     }
 301     return true;
 302 }
 303 // }}}
 304
 305
 306 function geoloc_to_x($lon, $lat) { return deg2rad(1) * $lon *100; }
 307
 308 function geoloc_to_y($lon, $lat) {
 309         if ($lat < -75) return latToY(-75);
 310         if ($lat > 75) return latToY(75);
 311   return -100 * log(tan(pi()/4 + deg2rad(1)/2*$lat));
 312 }
 313
 314 function size_of_city($nb) { $s = round(log($nb + 1)*2,2); if ($s < 1) return 1; return $s; }
 315 function size_of_territory($nb) { return size_of_city($nb); }
 316
 317 function geoloc_getData_subcities($mapid, $SFields, &$cities, $direct=true) {
 318     for ($i_mapfield=0; $i_mapfield < count($SFields) ; $i_mapfield++) if ($SFields[$i_mapfield]->fieldFormName == 'mapid') break;
 319     $SFields[$i_mapfield] = new MapSField('mapid', array('gcim.map_id'), array('adresses','geoloc_city_in_maps'), array('am','gcim'), array(getadr_join('am'), 'am.cityid = gcim.city_id'), $mapid);
 320
 321     $fields = new SFieldGroup(true, $SFields);
 322     $where = $fields->get_where_statement();
 323     if ($where) $where = " AND ".$where;
 324
 325     $cityres = XDB::iterator("
 326         SELECT  gc.id,
 327                 gc.lon / 100000 AS x, gc.lat/100000 AS y,
 328                 gc.name,
 329                 COUNT(u.user_id) AS pop,
 330                 SUM(u.promo % 2) AS yellow
 331           FROM auth_user_md5 AS u
 332     INNER JOIN auth_user_quick AS q ON(u.user_id = q.user_id)
 333             ".$fields->get_select_statement()."
 334                                  LEFT JOIN geoloc_city AS gc ON(gcim.city_id = gc.id)
 335          WHERE ".($direct?"gcim.infos = 'smallest'":"1")."
 336          $where
 337       GROUP BY gc.id,gc.alias ORDER BY pop DESC");
 338     while ($c = $cityres->next())
 339         if ($c['pop'] > 0)
 340         {
 341             $city = $c;
 342             $city['x'] = geoloc_to_x($c['x'], $c['y']);
 343             $city['y'] = geoloc_to_y($c['x'], $c['y']);
 344             $city['size'] = size_of_city($c['pop']);
 345             $cities[$c['id']] = $city;
 346         }
 347 }
 348
 349 function geoloc_getData_subcountries($mapid, $SFields, $minentities) {
 350     $countries = array();
 351     $cities = array();
 352
 353     if ($mapid === false)
 354         $wheremapid = "WHERE gm.parent IS NULL";
 355     else
 356         $wheremapid = "WHERE   gm.parent = {?}";
 357     $submapres = XDB::iterator(
 358         "SELECT  gm.map_id AS id, gm.name, gm.x, gm.y, gm.xclip, gm.yclip,
 359                 gm.width, gm.height, gm.scale, 1 AS rat
 360         FROM    geoloc_maps AS gm
 361         ".$wheremapid, Env::v('mapid',''));
 362
 363     global $globals;
 364
 365     while ($c = $submapres->next())
 366     {
 367         $country = $c;
 368         $country['name'] = utf8_decode($country['name']);
 369         $country['color'] = 0xFFFFFF;
 370         $country['swf'] = $globals->geoloc->webservice_url."maps/mercator/map_".$c['id'].".swf";
 371         $countries[$c['id']] = $country;
 372     }
 373
 374     if ($mapid === false) return array($countries, $cities);
 375
 376         geoloc_getData_subcities(Env::i('mapid'), $SFields, $cities);
 377         $nbcities = count($cities);
 378         $nocity = $nbcities == 0;
 379
 380     for ($i_mapfield=0; $i_mapfield < count($SFields) ; $i_mapfield++) if ($SFields[$i_mapfield]->fieldFormName == 'mapid') break;
 381         $SFields[$i_mapfield] = new MapSField('mapid', array('map.parent'), array('adresses','geoloc_city_in_maps','geoloc_maps'), array('am','gcim','map'), array(getadr_join('am'), 'am.cityid = gcim.city_id', 'map.map_id = gcim.map_id'));
 382
 383         $fields = new SFieldGroup(true, $SFields);
 384         $where = $fields->get_where_statement();
 385         if ($where) $where = " WHERE ".$where;
 386
 387         $countryres = XDB::iterator("
 388             SELECT  map.map_id AS id,
 389                     COUNT(u.user_id) AS nbPop,
 390                     SUM(u.promo % 2) AS yellow,
 391                     COUNT(DISTINCT gcim.city_id) AS nbCities,
 392                     SUM(IF(u.user_id IS NULL,0,am.glng)) AS lonPop,
 393                     SUM(IF(u.user_id IS NULL, 0,am.glat)) AS latPop
 394               FROM  auth_user_md5 AS u
 395         INNER JOIN  auth_user_quick AS q ON(u.user_id = q.user_id)
 396                     ".$fields->get_select_statement()."
 397              $where
 398           GROUP BY  map.map_id ORDER BY NULL", $hierarchy);
 399
 400         $maxpop = 0;
 401         $nbentities = $nbcities + $countryres->total();
 402         while ($c = $countryres->next())
 403         {
 404             $c['latPop'] /= $c['nbPop'];
 405             $c['lonPop'] /= $c['nbPop'];
 406             $c['rad'] = size_of_territory($c['nbPop']);
 407             if ($maxpop < $c['nbPop']) $maxpop = $c['nbPop'];
 408             $c['xPop'] = geoloc_to_x($c['lonPop'], $c['latPop']);
 409             $c['yPop'] = geoloc_to_y($c['lonPop'], $c['latPop']);
 410             $countries[$c['id']] = array_merge($countries[$c['id']], $c);
 411
 412             $nbcities += $c['nbCities'];
 413         }
 414
 415         if ($nocity && $nbcities < $minentities)
 416         {
 417             foreach($countries as $i => $c)
 418             {
 419                 $countries[$i]['nbPop'] = 0;
 420                 if ($c['nbCities'] > 0)
 421                     geoloc_getData_subcities($c['id'], $SFields, $cities, false);
 422             }
 423         }
 424
 425         foreach ($countries as $i => $c) if ($c['nbPop'] > 0)
 426         {
 427             $lambda = pow($c['nbPop'] / $maxpop,0.3);
 428             $countries[$i]['color'] = 0x0000FF + round((1-$lambda) * 0xFF)*0x010100;
 429         }
 430
 431     return array($countries, $cities);
 432 }
 433 // }}}
 434
 435 // vim:set et sw=4 sts=4 sws=4 foldmethod=marker:
 436 ?>