Add handling for fixed pricing and tank cleaning transactions with action checks and enhanced customer retrieval

services/nginx/app/objects/users_o.php

@@ -1135,4 +1135,45 @@ class users_o extends db
         return $customer_numbers;
     }
 
+    public function getCustomersWithFixedPricing(): array
+    {
+        global $db;
+        // Get all customers with fixed pricing
+        $sql = "SELECT DISTINCT customer_number FROM customer_fixed_pricing";
+        $result = $db->query($sql);
+        $customer_numbers = [];
+        while ($row = $result->fetch_assoc()) {
+            $customer_numbers[] = (int)$row['customer_number'];
+        }
+        return $customer_numbers;
+    }
+
+    public function getCustomersWithTankCleaning(): array
+    {
+        global $db;
+        // Get all customers with tank cleaning
+        $sql = "SELECT DISTINCT user_id FROM customer_attributes WHERE attribute = 'onlyTankCleaning'";
+        $result = $db->query($sql);
+        $customer_numbers = [];
+        while ($row = $result->fetch_assoc()) {
+            $customer_numbers[] = (int)$row['user_id'];
+        }
+        // Get the customer numbers from the user IDs
+        $customer_numbers = array_unique($customer_numbers);
+        // Convert user IDs to customer numbers
+        return self::getCustomerNumbersFromUserIds($customer_numbers);
+    }
+
+    private static function getCustomerNumbersFromUserIds(array $user_ids): array
+    {
+        global $db;
+        $customer_numbers = (new users_o)->getFieldsWhere(
+            ['id' => $user_ids],
+            ['customer_number']
+        );
+        return array_map(function ($user) {
+            return (int)$user['customer_number'];
+        }, $customer_numbers);
+    }
+
 }