Initial commit

indexes/manage/update.php

@@ -0,0 +1,63 @@
+<?php
+include "../ConnectDB.php";
+
+// Check if the form is submitted
+if ($_SERVER["REQUEST_METHOD"] == "POST") {
+    // Get the submitted form data
+    $formData = $_POST['data'];
+
+    // Process each item's form data
+    foreach ($formData as $itemName => $itemData) {
+        $id = $itemData['id'];
+        $name = $itemData['name'];
+        $simpledesc = $itemData['simpledesc'];
+        $fulldesc = $itemData['fulldesc'];
+        $quantities = $itemData['quantities'];
+        $buyer_price = $itemData['buyer_price'];
+        $seller_price = $itemData['seller_price'];
+        $buyer_availability = $itemData['buyer_availability'];
+        $seller_availability = $itemData['seller_availability'];
+
+        if($buyer_price < $seller_price){
+            echo "<br><br><br><br><br><br>";
+            echo "<h1>The buyer price of $id cannot be lower than its seller price!</h1>";
+            echo "<script type='text/javascript'>
+                setTimeout(function() {window.location.href = './edit.php';}, 1000);
+            </script>";
+            exit();
+        }
+
+        // Prepare and execute the update query
+        $stmt = mysqli_prepare($conn, "UPDATE inventory SET name=?, simpledesc=?, fulldesc=?, quantities=?, buyer_price=?, seller_price=?, buyer_availability=?, seller_availability=? WHERE name=?");
+        mysqli_stmt_bind_param($stmt, "sssssssss", $name, $simpledesc, $fulldesc, $quantities, $buyer_price, $seller_price, $buyer_availability, $seller_availability, $id);
+        mysqli_stmt_execute($stmt);
+        
+        $sql_buyer_name = "ALTER TABLE `buyer` CHANGE `$id` `$name` INT(11) NOT NULL DEFAULT '0'";
+        $res_1 = mysqli_query($conn, $sql_buyer_name);
+        
+        $sql_seller_name = "ALTER TABLE `seller` CHANGE `$id` `$name` INT(11) NOT NULL DEFAULT '0'";
+        $res_2 = mysqli_query($conn, $sql_seller_name);
+
+        // Check if the update was successful
+        if (mysqli_stmt_affected_rows($stmt) > 0 && $res_1 && $res_2) {
+            //echo "Data updated successfully.";
+            echo "<script type='text/javascript'>
+                window.location.href = './interfaces/success.php';
+            </script>";
+        } else {
+            if(mysqli_stmt_error($stmt) || !$res_1 || !$res_2){
+                echo "<script type='text/javascript'>
+                    alert('Failed to update data.');
+                    window.location.href = './edit.php';
+                </script>";
+            }
+        }
+        echo "<script type='text/javascript'>
+                window.location.href = './interfaces/success.php';
+            </script>";
+
+        // Close the statement
+        mysqli_stmt_close($stmt);
+    }
+}
+?>