recharger.php
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<?php
require_once("../commun.php");
verifierDroit(2);
if (!(donne("idCarte") && donne("montant"))) {
retour("requete_malformee");
}
if (!clientExiste(donne("idCarte"))) {
retour("client_inconnu");
}
$montant = floatval($_POST["montant"]);
if ($montant <= 0) {
retour("rechargement_negatif");
}
$requete = $db->prepare("SELECT solde FROM Clients WHERE idCarte=?");
$requete->bind_param("s", $_POST["idCarte"]);
$requete->bind_result($soldeAncien);
if (!$requete->execute()) {
retour("erreur_bdd", ["message" => $requete->error]);
}
$requete->fetch();
$requete->close();
$soldeNouveau = $soldeAncien + $montant;
$requete = $db->prepare("UPDATE Clients SET solde=? WHERE idCarte=?");
$requete->bind_param("ss", $soldeNouveau, $_POST["idCarte"]);
if (!$requete->execute()) {
retour("erreur_bdd", ["message" => $requete->error]);
}
$requete->close();
$idTransaction = transaction(TRANSACTION_RECHARGEMENT, $_POST["idCarte"], $montant);
retour("ok", ["idTransaction" => $idTransaction, "soldeAncien" => $soldeAncien, "soldeNouveau" => $soldeNouveau]);
?>