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Don't Allow Duplicated messages

This commit is contained in:
Evan G. 2024-06-10 14:47:35 -05:00
parent 0ee662067d
commit 14ba3f05c8
Signed by: fbievan
GPG Key ID: 55FAB8CB6842F080
1 changed files with 16 additions and 3 deletions
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19
submit-sql.php
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@ -75,24 +75,37 @@ function setupdb($dbh) {
)'); )');
} }
# Adding an Item # Adding an Item
function additem($ndata, $dbh) { function additem($ndata, $dbh, $newURL) {
## Check for Duplicates
$dupmessagech = "SELECT count(*) FROM messages where message='$ndata->message'";
$dupmessage = $dbh->query($dupmessagech)->fetchColumn();
if($dupmessage > 0) {
echo "Another message with this text already exists";
header('Refresh:2; url=' . $newURL );
exit();
} else {
$sql = 'INSERT INTO messages $sql = 'INSERT INTO messages
(id, name, date, message, mlength, nlength) (id, name, date, message, mlength, nlength)
VALUES (?, ?, ?, ?, ?, ?)'; VALUES (?, ?, ?, ?, ?, ?)';
$sth = $dbh->prepare($sql); $sth = $dbh->prepare($sql);
$sth->execute(array( $sth->execute(array(
null->id, null,
$ndata->name, $ndata->name,
$ndata->date, $ndata->date,
$ndata->message, $ndata->message,
$ndata->mlength, $ndata->mlength,
$ndata->nlength $ndata->nlength
)); ));
header('Refresh:2; url=' . $newURL );
echo "Your submisson has been added";
exit();
}
} }
# Setup the Database (If table does not already exist) # Setup the Database (If table does not already exist)
setupdb($dbh); setupdb($dbh);
# Add the Item # Add the Item
additem($ndata, $dbh); additem($ndata, $dbh, $newURL);
?> ?>