From 14ba3f05c8ba134cacc884cca14d984d8fd86ade Mon Sep 17 00:00:00 2001
From: "Evan G." <evan@mail.fbievan.live>
Date: Mon, 10 Jun 2024 14:47:35 -0500
Subject: [PATCH] Don't Allow Duplicated messages

---
 submit-sql.php | 19 ++++++++++++++++---
 1 file changed, 16 insertions(+), 3 deletions(-)

diff --git a/submit-sql.php b/submit-sql.php
index 23a7fca..570e2d2 100644
--- a/submit-sql.php
+++ b/submit-sql.php
@@ -75,24 +75,37 @@ function setupdb($dbh) {
 	)');
 }
 # Adding an Item 
-function additem($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
     		(id, name, date, message, mlength, nlength)
     		VALUES (?, ?, ?, ?, ?, ?)';
 	$sth = $dbh->prepare($sql);
 	$sth->execute(array(
-		null->id,
+		null,
 		$ndata->name,
 		$ndata->date,
 		$ndata->message,
 		$ndata->mlength,
 		$ndata->nlength
 	));
+  header('Refresh:2; url=' . $newURL );
+  echo "Your submisson has been added";
+  exit();
+  }
 }
 # Setup the Database (If table does not already exist)
 setupdb($dbh);
 
 # Add the Item
-additem($ndata, $dbh);
+additem($ndata, $dbh, $newURL);
 
 ?>