✨ Pass rewind service and account rewind service

DysonNetwork.Pass/Rewind/PassRewindService.cs

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+using System.Linq;
+using DysonNetwork.Shared.Proto;
+using Microsoft.EntityFrameworkCore;
+using NodaTime;
+
+namespace DysonNetwork.Pass.Rewind;
+
+/// <summary>
+/// Although the pass uses the rewind service call internally, no need for grpc.
+/// But we created a service that produce the grpc type for consistency.
+/// </summary>
+public class PassRewindService(AppDatabase db)
+{
+    public async Task<RewindEvent> CreateRewindEvent(Guid accountId, int year)
+    {
+        var startDate = Instant.FromDateTimeUtc(new DateTime(year - 1, 12, 26));
+        var endDate = Instant.FromDateTimeUtc(new DateTime(year, 12, 26));
+
+        var checkInDates = await db.AccountCheckInResults
+            .Where(a => a.CreatedAt >= startDate && a.CreatedAt < endDate)
+            .Where(a => a.AccountId == accountId)
+            .Select(a => a.CreatedAt.ToDateTimeUtc().Date)
+            .Distinct()
+            .OrderBy(d => d)
+            .ToListAsync();
+
+        var maxCheckInStrike = 0;
+        if (checkInDates.Count != 0)
+        {
+            maxCheckInStrike = checkInDates
+                .Select((d, i) => new { Date = d, Index = i })
+                .GroupBy(x => x.Date.Subtract(new TimeSpan(x.Index, 0, 0, 0)))
+                .Select(g => g.Count())
+                .Max();
+        }
+
+        var data = new Dictionary<string, object?>
+        {
+            ["max_check_in_strike"] = maxCheckInStrike,
+        };
+        
+        return new RewindEvent
+        {
+            ServiceId = "pass",
+            AccountId = accountId.ToString(),
+            Data = GrpcTypeHelper.ConvertObjectToByteString(data)
+        };
+    }
+}