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<?php
class SourceDonnees {
private $bdd = null;
private $limitesCarte = '';
private $taxon = array();
private $nomRang = '';
private $taxons = array();
private $genres = array();
public function __construct($limitesCarte, $taxon) {
$this->limitesCarte = $limitesCarte;
foreach ($this->limitesCarte as $bord => $valeur) {
$this->limitesCarte[$bord] = str_replace(",", ".", round($valeur, 6));
}
$this->bdd = new Bdd();
$this->taxon = $taxon;
$this->nomRang = $this->obtenirNomRang();
if ($this->nomRang == 'espece' || $this->nomRang == 'sous_espece') {
$this->taxons = $this->recupererSynonymesEtSousEspeces();
} elseif ($this->nomRang == 'famille') {
$this->genres = $this->recupererGenres();
}
}
private function obtenirNomRang() {
$nomsRangs = array('famille', 'genre', 'espece', 'sous_espece');
$rangs = explode(',', Config::get('rangs'));
for ($index = 0; $index < count($nomsRangs) && $rangs[$index] != $this->taxon['rang']; $index ++);
$position = $index == count($nomsRangs) ? count($nomsRangs)-1 : $index;
return $nomsRangs[$position];
}
protected function recupererSynonymesEtSousEspeces() {
$requete =
"SELECT num_nom, nom_sci, num_taxonomique FROM bdtfx_v1_01 WHERE hierarchie LIKE '%-{$this->taxon['num_nom']}-%' ".
"OR num_taxonomique = {$this->taxon['num_taxonomique']}";
return $this->bdd->recupererTous($requete);
}
protected function recupererGenres() {
$this->bdd->requeter("USE ".Config::get('bdd_nom'));
$requete =
"SELECT num_nom, nom_sci, num_taxonomique FROM bdtfx_v1_01 WHERE rang=220 AND num_tax_sup={$this->taxon['num_nom']}";
return $this->bdd->recupererTous($requete);
}
public function recupererStationsFloradata() {
$this->bdd->requeter("USE ".Config::get('bdd_nom_floradata'));
$requete =
"SELECT DISTINCTROW zone_geo AS commune, Date(date_observation) AS date, Floor(wgs84_latitude*10)/10 AS lat, ".
"Floor(wgs84_longitude*10)/10 AS lng, courriel_utilisateur AS auteur ".
"FROM cel_obs LEFT JOIN cel_zones_geo cz ON ce_zone_geo=id_zone_geo ".
"WHERE ".$this->construireWhereTaxonFloradata()." AND transmission=1 AND ".
"wgs84_longitude BETWEEN ".$this->limitesCarte['ouest']." AND ".$this->limitesCarte['est']." ".
"AND wgs84_latitude BETWEEN ".$this->limitesCarte['sud']." AND ".$this->limitesCarte['nord']." ".
"AND date_observation<>'0000-00-00 00-00-00' ORDER BY lat DESC, lng ASC, commune, date";
return $this->bdd->recupererTous($requete);
}
private function construireWhereTaxonFloradata() {
$criteres = array();
$nomRang = $this->obtenirNomRang($this->taxon);
if ($this->nomRang == 'famille') {
$criteres[] = "famille=".$this->bdd->proteger($this->taxon['nom_sci']);
} elseif ($this->nomRang == 'genre') {
$criteres[] = "nom_sel LIKE ".$this->bdd->proteger($this->taxon['nom_sci'].'%');
} else {
$taxons = array($this->taxon['num_taxonomique']);
foreach ($this->taxons as $sousTaxon) {
$taxons[] = $sousTaxon['num_taxonomique'];
}
$criteres[] = "nt IN (".implode(',', array_unique($taxons)) .")";
}
return "(".implode(' OR ',array_unique($criteres)).")";
}
public function recupererStationsMoissonnage($source) {
$this->bdd->requeter("USE ".Config::get('bdd_nom'));
$requete =
"SELECT DISTINCTROW lieu_commune_code_insee, observation_date AS date, observateur_nom_complet AS auteur ".
"FROM {$source}_tapir WHERE ".$this->construireWhereTaxonMoissonnage()." ".
"AND lieu_station_longitude BETWEEN ".$this->limitesCarte['ouest']." AND ".$this->limitesCarte['est']." ".
"AND lieu_station_latitude BETWEEN ".$this->limitesCarte['sud']." AND ".$this->limitesCarte['nord']." ".
"AND Length(lieu_commune_code_insee)=5 ORDER BY lieu_commune_code_insee, date";
$stations = $this->bdd->recupererTous($requete);
$this->rechercherInfosCommune($stations);
return $stations;
}
private function construireWhereTaxonMoissonnage() {
$nomRang = $this->obtenirNomRang();
$criteres = array();
$criteres[] = "nom_scientifique_complet LIKE ".$this->bdd->proteger($this->taxon['nom_sci']."%");
if ($this->nomRang == 'espece' || $this->nomRang == 'sous_espece') {
foreach ($this->taxons as $sousTaxon) {
$criteres[] = "nom_scientifique_complet LIKE ".$this->bdd->proteger($sousTaxon['nom_sci']."%");
}
} elseif ($this->nomRang == 'famille') {
foreach ($this->genres as $genre) {
$criteres[] = "nom_scientifique_complet LIKE ".$this->bdd->proteger($genre['nom_sci']."%");
}
}
return "(".implode(' OR ',array_unique($criteres)).")";
}
private function rechercherInfosCommune(& $stations) {
$codesInsee = array();
foreach ($stations as $station) {
$codeInsee = $station['lieu_commune_code_insee'];
if (substr($codeInsee, 0, 2) == '20') {
$codeInsee = '2A'.substr($codeInsee, 2);
$codeInsee2 = '2B'.substr($codeInsee, 2);
}
if (!in_array($codeInsee, $codesInsee)) {
if (substr($codeInsee, 0, 2) == '20') {
$codesInsee[] = "'$codeInsee2'";
}
$codesInsee[] = "'$codeInsee'";
}
}
$requete =
"SELECT insee, nom AS commune, Floor(latitude_degre*10)/10 AS lat, Floor(longitude_degre*10)/10 AS lng ".
"FROM lion1906_communes_v2008 WHERE insee IN (".implode(',', array_unique($codesInsee)).") ORDER BY insee";
$communes = $this->bdd->recupererTous($requete);
$indexStation = 0;
foreach ($communes as $commune) {
$codeInsee = $commune['insee'];
if (substr($codeInsee, 0, 2) == '2A' || substr($codeInsee, 0, 2) == '2B') {
$codeInsee = '20'.substr($codeInsee, 2);
}
while ($stations[$indexStation]['lieu_commune_code_insee'] < $codeInsee) {
$indexStation ++;
}
if ($stations[$indexStation]['lieu_commune_code_insee'] == $codeInsee) {
$stations[$indexStation]['lat'] = $commune['lat'];
$stations[$indexStation]['lng'] = $commune['lng'];
$stations[$indexStation]['commune'] = $commune['commune'];
}
}
$lat = array();
$lng = array();
foreach ($stations as $index => $station) {
if (!isset($station['lat'])) {
$station['lat'] = -100;
$station['lng'] = -100;
}
$lat[$index] = $station['lat'];
$lng[$index] = $station['lng'];
}
array_multisort($lat, SORT_DESC, $lng, SORT_ASC, $stations);
}
}
?>