✨ Social credit validation and recalculation

DysonNetwork.Pass/Credit/SocialCreditService.cs

@@ -1,6 +1,7 @@
 using DysonNetwork.Shared.Cache;
 using DysonNetwork.Shared.Models;
 using Microsoft.EntityFrameworkCore;
+using NodaTime;
 
 namespace DysonNetwork.Pass.Credit;
 
@@ -35,13 +36,37 @@ public class SocialCreditService(AppDatabase db, ICacheService cache)
     {
         var cached = await cache.GetAsync<double?>($"{CacheKeyPrefix}{accountId}");
         if (cached.HasValue) return cached.Value;
-        
+
         var records = await db.SocialCreditRecords
-            .Where(x => x.AccountId == accountId)
+            .Where(x => x.AccountId == accountId && x.Status == SocialCreditRecordStatus.Active)
             .SumAsync(x => x.Delta);
         records += BaseSocialCredit;
-        
+
         await cache.SetAsync($"{CacheKeyPrefix}{accountId}", records);
         return records;
     }
-}
+
+    public async Task ValidateSocialCredits()
+    {
+        var now = SystemClock.Instance.GetCurrentInstant();
+        var expiredRecords = await db.SocialCreditRecords
+            .Where(r => r.Status == SocialCreditRecordStatus.Active && r.ExpiredAt.HasValue && r.ExpiredAt <= now)
+            .Select(r => new { r.Id, r.AccountId, r.Delta })
+            .ToListAsync();
+
+        var groupedExpired = expiredRecords.GroupBy(er => er.AccountId)
+            .ToDictionary(g => g.Key, g => g.Sum(er => er.Delta));
+
+        foreach (var (accountId, totalDeltaSubtracted) in groupedExpired)
+        {
+            await db.AccountProfiles
+                .Where(p => p.AccountId == accountId)
+                .ExecuteUpdateAsync(p => p.SetProperty(v => v.SocialCredits, v => v.SocialCredits - totalDeltaSubtracted));
+            await cache.RemoveAsync($"{CacheKeyPrefix}{accountId}");
+        }
+
+        await db.SocialCreditRecords
+            .Where(r => r.Status == SocialCreditRecordStatus.Active && r.ExpiredAt.HasValue && r.ExpiredAt <= now)
+            .ExecuteUpdateAsync(r => r.SetProperty(x => x.Status, SocialCreditRecordStatus.Expired));
+    }
+}