Flag duplicate numbering in debug

admin/debug.php

@@ -502,6 +502,12 @@ if (file_exists($dbSqlFile)) {
     ];
 }
 
+// Duplicate checks
+$duplicate_tickets_sql = mysqli_query($mysqli, "SELECT ticket_number, COUNT(*) AS count FROM tickets GROUP BY ticket_number HAVING count > 1");
+$duplicate_quotes_sql =  mysqli_query($mysqli, "SELECT quote_number, COUNT(*) AS count FROM quotes GROUP BY quote_number HAVING count > 1");
+$duplicate_invoices_sql =  mysqli_query($mysqli, "SELECT invoice_number, COUNT(*) AS count FROM invoices GROUP BY invoice_number HAVING count > 1");
+
+
 $mysqli->close();
 ?>
 
@@ -758,6 +764,40 @@ $mysqli->close();
             </table>
         </div>
 
+        <!-- Duplicated ticket/quote/invoice numbers -->
+        <h3 class="mt-3">Duplicated Numbering</h3>
+        <h4>Tickets</h4>
+        <ul>
+            <?php if (mysqli_num_rows($duplicate_tickets_sql) > 0 ) {
+                while ($row = $duplicate_tickets_sql->fetch_assoc()) {
+                    echo "<li>" . $config_ticket_prefix . nullable_htmlentities($row['ticket_number']) . " (" . $row['count'] . ")" . "</li>";
+                }
+            } else {
+                echo "No duplicate ticket numbers.";
+            } ?>
+        </ul>
+        <h4>Quotes</h4>
+        <ul>
+            <?php if (mysqli_num_rows($duplicate_quotes_sql) > 0 ) {
+                while ($row = $duplicate_quotes_sql->fetch_assoc()) {
+                    echo "<li>" . $config_quote_prefix . nullable_htmlentities($row['quote_number']) . " (" . $row['count'] . ")" . "</li>";
+                }
+            } else {
+                echo "No duplicate quote numbers.";
+            } ?>
+        </ul>
+        <h4>Invoices</h4>
+        <ul>
+            <?php if (mysqli_num_rows($duplicate_invoices_sql) > 0 ) {
+                while ($row = $duplicate_invoices_sql->fetch_assoc()) {
+                    echo "<li>" . $config_invoice_prefix . nullable_htmlentities($row['invoice_number']) . " (" . $row['count'] . ")" . "</li>";
+                }
+            } else {
+                echo "No duplicate invoice numbers.";
+            } ?>
+        </ul>
+
+
     </div>
 
 </div>

db.sql

@@ -1324,7 +1324,8 @@ CREATE TABLE `invoices` (
   `invoice_category_id` int(11) NOT NULL,
   `invoice_recurring_invoice_id` int(11) NOT NULL DEFAULT 0,
   `invoice_client_id` int(11) NOT NULL,
-  PRIMARY KEY (`invoice_id`)
+  PRIMARY KEY (`invoice_id`),
+  UNIQUE KEY `invoice_number` (`invoice_number`)
 ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_general_ci;
 /*!40101 SET character_set_client = @saved_cs_client */;
 
@@ -1677,7 +1678,8 @@ CREATE TABLE `quotes` (
   `quote_archived_at` datetime DEFAULT NULL,
   `quote_category_id` int(11) NOT NULL,
   `quote_client_id` int(11) NOT NULL,
-  PRIMARY KEY (`quote_id`)
+  PRIMARY KEY (`quote_id`),
+  UNIQUE KEY `quote_number` (`quote_number`)
 ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_general_ci;
 /*!40101 SET character_set_client = @saved_cs_client */;
 
@@ -2644,7 +2646,8 @@ CREATE TABLE `tickets` (
   `ticket_project_id` int(11) NOT NULL DEFAULT 0,
   `ticket_recurring_ticket_id` int(11) DEFAULT 0,
   `ticket_order` int(11) NOT NULL DEFAULT 0,
-  PRIMARY KEY (`ticket_id`)
+  PRIMARY KEY (`ticket_id`),
+  UNIQUE KEY `ticket_number` (`ticket_number`)
 ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_general_ci;
 /*!40101 SET character_set_client = @saved_cs_client */;