🐛 Fix perk subscription getter

DysonNetwork.Pass/Account/AccountCurrentController.cs

@@ -47,7 +47,7 @@ public class AccountCurrentController(
             try
             {
                 var subscription = await remoteSubscription.GetPerkSubscription(account.Id);
-                if (subscription != null)
+                if (subscription is not null)
                 {
                     account.PerkSubscription = SnWalletSubscription.FromProtoValue(subscription).ToReference();
                 }
@@ -344,7 +344,7 @@ public class AccountCurrentController(
             // Check PerkSubscription via RemoteSubscriptionService instead of relying on currentUser.PerkSubscription
             // which is not populated when currentUser comes from HttpContext.Items
             var perkSubscription = await remoteSubscription.GetPerkSubscription(currentUser.Id);
-            if (perkSubscription == null)
+            if (perkSubscription is null)
                 return StatusCode(403, ApiError.Unauthorized(
                     message: "You need to have a subscription to check-in backdated.",
                     forbidden: true,
@@ -377,7 +377,7 @@ public class AccountCurrentController(
                 true when !await auth.ValidateCaptcha(captchaToken!) => BadRequest(ApiError.Validation(
                     new Dictionary<string, string[]>
                     {
-                        ["captchaToken"] = new[] { "Invalid captcha token." }
+                        ["captchaToken"] = ["Invalid captcha token."]
                     }, traceId: HttpContext.TraceIdentifier)),
                 _ => await events.CheckInDaily(currentUser, backdated)
             };

DysonNetwork.Pass/Account/AccountEventService.cs

@@ -19,6 +19,7 @@ public class AccountEventService(
     RingService.RingServiceClient pusher,
     Pass.Leveling.ExperienceService experienceService,
     RemotePaymentService payment,
+    RemoteSubscriptionService subscriptions,
     INatsConnection nats
 )
 {
@@ -223,6 +224,9 @@ public class AccountEventService(
 
     public async Task<bool> CheckInDailyDoAskCaptcha(SnAccount user)
     {
+        var perkSubscription = await subscriptions.GetPerkSubscription(user.Id);
+        if (perkSubscription is not null) return false;
+
         var cacheKey = $"{CaptchaCacheKey}{user.Id}";
         var needsCaptcha = await cache.GetAsync<bool?>(cacheKey);
         if (needsCaptcha is not null)

DysonNetwork.Pass/Account/AccountPublicController.cs

@@ -32,7 +32,7 @@ public class AccountPublicController(
         try
         {
             var subscription = await remoteSubscription.GetPerkSubscription(account.Id);
-            if (subscription != null)
+            if (subscription is not null)
             {
                 account.PerkSubscription = SnWalletSubscription.FromProtoValue(subscription).ToReference();
             }

DysonNetwork.Pass/Account/AccountService.cs

@@ -768,7 +768,7 @@ public class AccountService(
         try
         {
             var subscription = await remoteSubscription.GetPerkSubscription(account.Id);
-            if (subscription != null)
+            if (subscription is not null)
             {
                 account.PerkSubscription = SnWalletSubscription.FromProtoValue(subscription).ToReference();
             }

DysonNetwork.Pass/Account/AccountServiceGrpc.cs

@@ -297,7 +297,7 @@ public class AccountServiceGrpc(
         try
         {
             var subscription = await remoteSubscription.GetPerkSubscription(account.Id);
-            if (subscription != null)
+            if (subscription is not null)
             {
                 account.PerkSubscription = SnWalletSubscription.FromProtoValue(subscription).ToReference();
             }
@@ -321,7 +321,6 @@ public class AccountServiceGrpc(
             var subscriptions = await remoteSubscription.GetPerkSubscriptions(accountIds);
             
             var subscriptionDict = subscriptions
-                .Where(s => s != null)
                 .ToDictionary(
                     s => Guid.Parse(s.AccountId), 
                     s => SnWalletSubscription.FromProtoValue(s).ToReference()

DysonNetwork.Pass/Leveling/ExperienceService.cs

@@ -1,9 +1,10 @@
 using DysonNetwork.Shared.Models;
+using DysonNetwork.Shared.Registry;
 using Microsoft.EntityFrameworkCore;
 
 namespace DysonNetwork.Pass.Leveling;
 
-public class ExperienceService(AppDatabase db)
+public class ExperienceService(AppDatabase db, RemoteSubscriptionService subscriptions)
 {
     public async Task<SnExperienceRecord> AddRecord(string reasonType, string reason, long delta, Guid accountId)
     {
@@ -15,6 +16,20 @@ public class ExperienceService(AppDatabase db)
             AccountId = accountId,
         };
 
+        var perkSubscription = await subscriptions.GetPerkSubscription(accountId);
+        if (perkSubscription is not null)
+        {
+            record.BonusMultiplier = perkSubscription.Identifier switch
+            {
+                SubscriptionType.Stellar => 1.5,
+                SubscriptionType.Nova => 2,
+                SubscriptionType.Supernova => 2.5,
+                _ => 1
+            };
+            if (record.Delta >= 0)
+                record.Delta = (long)Math.Floor(record.Delta * record.BonusMultiplier);
+        }
+
         db.ExperienceRecords.Add(record);
         await db.SaveChangesAsync();
         

DysonNetwork.Shared/Registry/RemoteSubscriptionService.cs

@@ -15,11 +15,12 @@ public class RemoteSubscriptionService(SubscriptionService.SubscriptionServiceCl
         return response;
     }
 
-    public async Task<Subscription> GetPerkSubscription(Guid accountId)
+    public async Task<Subscription?> GetPerkSubscription(Guid accountId)
     {
         var request = new GetPerkSubscriptionRequest { AccountId = accountId.ToString() };
         var response = await subscription.GetPerkSubscriptionAsync(request);
-        return response;
+        // Return null if subscription is empty (user has no active perk subscription)
+        return string.IsNullOrEmpty(response.Id) ? null : response;
     }
 
     public async Task<List<Subscription>> GetPerkSubscriptions(List<Guid> accountIds)
@@ -27,7 +28,8 @@ public class RemoteSubscriptionService(SubscriptionService.SubscriptionServiceCl
         var request = new GetPerkSubscriptionsRequest();
         request.AccountIds.AddRange(accountIds.Select(id => id.ToString()));
         var response = await subscription.GetPerkSubscriptionsAsync(request);
-        return response.Subscriptions.ToList();
+        // Filter out empty subscriptions (users with no active perk subscription)
+        return response.Subscriptions.Where(s => !string.IsNullOrEmpty(s.Id)).ToList();
     }
 
     public async Task<Subscription> CreateSubscription(

DysonNetwork.Wallet/Payment/SubscriptionServiceGrpc.cs

@@ -32,8 +32,9 @@ public class SubscriptionServiceGrpc(
         var subscription = await subscriptionService.GetPerkSubscriptionAsync(
             Guid.Parse(request.AccountId)
         );
-        return subscription?.ToProtoValue()
-               ?? throw new RpcException(new Status(StatusCode.NotFound, "Perk subscription not found"));
+        // Return empty subscription if user has no active perk subscription (valid case)
+        // RemoteSubscriptionService will convert empty subscription to null
+        return subscription?.ToProtoValue() ?? new Subscription { Id = "" };
     }
 
     public override async Task<GetPerkSubscriptionsResponse> GetPerkSubscriptions(