prepare("INSERT INTO {$opt["table_prefix"]}allocs(itemid,userid,bought,quantity) VALUES(?, ?, ?, ?)");
$stmt->bindParam(1, $itemid, PDO::PARAM_INT);
$stmt->bindParam(2, $userid, PDO::PARAM_INT);
$stmt->bindParam(3, $bought, PDO::PARAM_BOOL);
$stmt->bindParam(4, $adjust, PDO::PARAM_INT);
$stmt->execute();
return $howmany;
}
}
else {
/* figure out the real amount to adjust by, in case someone claims to have
received 3 of something from a buyer when they only bought 2. */
if ($adjust < 0) {
if (abs($adjust) > $howmany)
$actual = -$howmany;
else
$actual = $adjust;
}
else {
$actual = $adjust;
}
if ($howmany + $actual == 0) {
$stmt = $dbh->prepare("DELETE FROM {$opt["table_prefix"]}allocs WHERE itemid = ? AND userid = ? AND bought = ?");
$stmt->bindParam(1, $itemid, PDO::PARAM_INT);
$stmt->bindParam(2, $userid, PDO::PARAM_INT);
$stmt->bindParam(3, $bought, PDO::PARAM_BOOL);
$stmt->execute();
}
else {
$stmt = $dbh->prepare("UPDATE {$opt["table_prefix"]}allocs " .
"SET quantity = quantity + ? " . // because "quantity + -5" is okay.
"WHERE itemid = ? AND userid = ? AND bought = ?");
$stmt->bindParam(1, $actual, PDO::PARAM_INT);
$stmt->bindParam(2, $itemid, PDO::PARAM_INT);
$stmt->bindParam(3, $userid, PDO::PARAM_INT);
$stmt->bindParam(4, $bought, PDO::PARAM_BOOL);
$stmt->execute();
}
return $actual;
}
}
function getExistingQuantity($itemid, $userid, $bought, $dbh, $opt) {
$stmt = $dbh->prepare("SELECT quantity FROM {$opt["table_prefix"]}allocs WHERE bought = ? AND userid = ? AND itemid = ?");
$stmt->bindParam(1, $bought, PDO::PARAM_BOOL);
$stmt->bindParam(2, $userid, PDO::PARAM_INT);
$stmt->bindParam(3, $itemid, PDO::PARAM_INT);
$stmt->execute();
if ($row = $stmt->fetch()) {
return $row["quantity"];
}
else {
return 0;
}
}
function processSubscriptions($publisher, $action, $itemdesc, $dbh, $opt) {
// join the users table as a cheap way to get the guy's name without having to pass it in.
$stmt = $dbh->prepare("SELECT subscriber, fullname FROM subscriptions sub INNER JOIN users u ON u.userid = sub.publisher WHERE publisher = ? AND (last_notified IS NULL OR DATE_ADD(last_notified, INTERVAL {$opt["notify_threshold_minutes"]} MINUTE) < NOW())");
$stmt->bindParam(1, $publisher, PDO::PARAM_INT);
$stmt->execute();
$msg = "";
while ($row = $stmt->fetch()) {
if ($msg == "") {
// same message for each user but we need the fullname from the first row before we can assemble it.
if ($action == "insert") {
$msg = $row["fullname"] . " has added the item \"$itemdesc\" to their list.";
}
else if ($action == "update") {
$msg = $row["fullname"] . " has updated the item \"$itemdesc\" on their list.";
}
else if ($action == "delete") {
$msg = $row["fullname"] . " has deleted the item \"$itemdesc\" from their list.";
}
$msg .= "\r\n\r\nYou are receiving this message because you are subscribed to their updates. You will not receive another message for their updates for the next " . $opt["notify_threshold_minutes"] . " minutes.";
}
sendMessage($publisher, $row["subscriber"], $msg, $dbh, $opt);
// stamp the subscription.
$stmt2 = $dbh->prepare("UPDATE subscriptions SET last_notified = NOW() WHERE publisher = ? AND subscriber = ?");
$stmt2->bindParam(1, $publisher, PDO::PARAM_INT);
$stmt2->bindParam(2, $row["subscriber"], PDO::PARAM_INT);
$stmt2->execute();
}
}
function sendMessage($sender, $recipient, $message, $dbh, $opt) {
$stmt = $dbh->prepare("INSERT INTO {$opt["table_prefix"]}messages(sender,recipient,message,created) VALUES(?, ?, ?, ?)");
$stmt->bindParam(1, $sender, PDO::PARAM_INT);
$stmt->bindParam(2, $recipient, PDO::PARAM_INT);
$stmt->bindParam(3, $message, PDO::PARAM_STR);
$stmt->bindValue(4, strftime("%Y-%m-%d"), PDO::PARAM_STR);
$stmt->execute();
// determine if e-mail must be sent.
$stmt = $dbh->prepare("SELECT ur.email_msgs, ur.email AS remail, us.fullname, us.email AS semail FROM {$opt["table_prefix"]}users ur " .
"INNER JOIN {$opt["table_prefix"]}users us ON us.userid = ? " .
"WHERE ur.userid = ?");
$stmt->bindParam(1, $sender, PDO::PARAM_INT);
$stmt->bindParam(2, $recipient, PDO::PARAM_INT);
$stmt->execute();
if ($row = $stmt->fetch()) {
if ($row["email_msgs"] == 1) {
mail(
$row["remail"],
"Gift Registry message from " . $row["fullname"],
$row["fullname"] . " <" . $row["semail"] . "> sends:\r\n" . $message,
"From: {$opt["email_from"]}\r\nReply-To: " . $row["semail"] . "\r\nX-Mailer: {$opt["email_xmailer"]}\r\n"
) or die("Mail not accepted for " . $row["remail"]);
}
}
else {
die("recipient doesn't exist");
}
}
function generatePassword($opt) {
//* borrowed from hitech-password.php - a PHP Message board script
//* (c) Hitech Scripts 2003
//* For more information, visit http://www.hitech-scripts.com
//* modified for phpgiftreg by Chris Clonch
mt_srand((double) microtime() * 1000000);
$newstring = "";
if ($opt["password_length"] > 0) {
while(strlen($newstring) < $opt["password_length"]) {
switch (mt_rand(1,3)) {
case 1: $newstring .= chr(mt_rand(48,57)); break; // 0-9
case 2: $newstring .= chr(mt_rand(65,90)); break; // A-Z
case 3: $newstring .= chr(mt_rand(97,122)); break; // a-z
}
}
}
return $newstring;
}
function formatPrice($price, $opt) {
if ($price == 0.0 && $opt["hide_zero_price"])
return " ";
else
return $opt["currency_symbol"] . number_format($price,2,".",",");
}
function stampUser($userid, $dbh, $opt) {
$stmt = $dbh->prepare("UPDATE {$opt["table_prefix"]}users SET list_stamp = NOW() WHERE userid = ?");
$stmt->bindParam(1, $userid, PDO::PARAM_INT);
$stmt->execute();
}
function deleteImageForItem($itemid, $dbh, $opt) {
$stmt = $dbh->prepare("SELECT image_filename FROM {$opt["table_prefix"]}items WHERE itemid = ?");
$stmt->bindParam(1, $itemid, PDO::PARAM_INT);
$stmt->execute();
if ($row = $stmt->fetch()) {
if ($row["image_filename"] != "") {
unlink($opt["image_subdir"] . "/" . $row["image_filename"]);
}
$stmt = $dbh->prepare("UPDATE {$opt["table_prefix"]}items SET image_filename = NULL WHERE itemid = ?");
$stmt->bindParam(1, $itemid, PDO::PARAM_INT);
$stmt->execute();
}
}
function fixForJavaScript($s) {
$s = htmlentities($s);
$s = str_replace("'","\\'",$s);
$s = str_replace("\r\n","
",$s);
$s = str_replace("\n","
",$s);
return $s;
}
?>