Add Cargo Service & Controller

Pulsar/Utils/FileHelper.cs

@@ -0,0 +1,21 @@
+namespace Pulsar.Utils;
+
+public static class FileHelper
+{
+    public static bool ValidateFile(string filePath)
+    {
+        if (!File.Exists(filePath))
+        {
+            return false;
+        }
+
+        var fileInfo = new FileInfo(filePath);
+
+        if (fileInfo.Length == 0)
+        {
+            return false;
+        }
+
+        return true;
+    }
+}