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src/FrontOffice.Main/App.razor.cs

@@ -1,6 +1,30 @@
-namespace FrontOffice.Main;
+using Blazored.LocalStorage;
+using Microsoft.AspNetCore.Components;
+using Microsoft.AspNetCore.WebUtilities;
+
+namespace FrontOffice.Main;
 
 public partial class App
 {
+    [Inject] private ILocalStorageService LocalStorage { get; set; } = default!;
+
+    protected override async Task OnInitializedAsync()
+    {
+        await base.OnInitializedAsync();
+
+        // Check for referral code in URL query parameters
+        var uri = Navigation.ToAbsoluteUri(Navigation.Uri);
+        var query = QueryHelpers.ParseQuery(uri.Query);
+
+        if (query.TryGetValue("ref", out var refValues))
+        {
+            var referralCode = refValues.FirstOrDefault();
+            if (!string.IsNullOrWhiteSpace(referralCode))
+            {
+                // Store referral code in local storage
+                await LocalStorage.SetItemAsync("referral:code", referralCode);
+            }
+        }
+    }
 }