✨ Pass rewind service and account rewind service

DysonNetwork.Pass/Account/Rewind/AccountRewindService.cs

@@ -1,6 +0,0 @@
-namespace DysonNetwork.Pass.Account.Rewind;
-
-public class AccountRewindService(AppDatabase db)
-{
-    
-}

DysonNetwork.Pass/Rewind/AccountRewindController.cs

@@ -1,4 +1,4 @@
-namespace DysonNetwork.Pass.Account.Rewind;
+namespace DysonNetwork.Pass.Rewind;
 
 public class AccountRewindController
 {

DysonNetwork.Pass/Rewind/AccountRewindService.cs

@@ -0,0 +1,75 @@
+using DysonNetwork.Shared.Models;
+using DysonNetwork.Shared.Proto;
+using Grpc.Net.Client;
+using Microsoft.EntityFrameworkCore;
+
+namespace DysonNetwork.Pass.Rewind;
+
+public class AccountRewindService(
+    IHttpClientFactory httpClientFactory,
+    AppDatabase db,
+    PassRewindService passRewindSrv
+)
+{
+    private static string CapitalizeFirstLetter(string str)
+    {
+        if (string.IsNullOrEmpty(str))
+            return str;
+
+        // Capitalize the first character and append the rest of the string in lowercase
+        return char.ToUpper(str[0]) + str[1..].ToLower();
+    }
+
+    private RewindService.RewindServiceClient CreateRewindServiceClient(string serviceId)
+    {
+        var httpClient = httpClientFactory.CreateClient(
+            $"{nameof(AccountRewindService)}+{CapitalizeFirstLetter(serviceId)}"
+        );
+        var channel = GrpcChannel.ForAddress($"http://{serviceId}", new GrpcChannelOptions { HttpClient = httpClient });
+        return new RewindService.RewindServiceClient(channel);
+    }
+
+    private async Task<SnRewindPoint> CreateRewindPoint(Guid accountId)
+    {
+        var currentYear = DateTime.UtcNow.Year;
+        var rewindRequest = new RequestRewindEvent { AccountId = accountId.ToString(), Year = currentYear};
+
+        var rewindEventTasks = new List<Task<RewindEvent>>
+        {
+            passRewindSrv.CreateRewindEvent(accountId, currentYear),
+            CreateRewindServiceClient("sphere").GetRewindEventAsync(rewindRequest).ResponseAsync
+        };
+        var rewindEvents = await Task.WhenAll(rewindEventTasks);
+
+        var rewindData = rewindEvents.ToDictionary<RewindEvent, string, Dictionary<string, object?>>(
+            rewindEvent => rewindEvent.ServiceId,
+            rewindEvent => GrpcTypeHelper.ConvertByteStringToObject<Dictionary<string, object?>>(rewindEvent.Data) ??
+                           new Dictionary<string, object?>()
+        );
+
+        var point = new SnRewindPoint
+        {
+            SchemaVersion = 1,
+            AccountId = accountId,
+            Data = rewindData.ToDictionary(kvp => kvp.Key, object? (kvp) => kvp.Value)
+        };
+
+        db.RewindPoints.Add(point);
+        await db.SaveChangesAsync();
+
+        return point;
+    }
+
+    public async Task<SnRewindPoint> GetOrCreateRewindPoint(Guid accountId)
+    {
+        var currentYear = DateTime.UtcNow.Year;
+
+        var existingRewind = await db.RewindPoints
+            .Where(p => p.AccountId == accountId && p.Year == currentYear)
+            .OrderBy(p => p.CreatedAt)
+            .FirstOrDefaultAsync();
+        if (existingRewind is not null) return existingRewind;
+
+        return await CreateRewindPoint(accountId);
+    }
+}

DysonNetwork.Pass/Rewind/PassRewindService.cs

@@ -0,0 +1,49 @@
+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)
+        };
+    }
+}

DysonNetwork.Pass/Startup/ServiceCollectionExtensions.cs

@@ -20,6 +20,7 @@ using DysonNetwork.Pass.Leveling;
 using DysonNetwork.Pass.Lotteries;
 using DysonNetwork.Pass.Mailer;
 using DysonNetwork.Pass.Realm;
+using DysonNetwork.Pass.Rewind;
 using DysonNetwork.Pass.Safety;
 using DysonNetwork.Pass.Wallet.PaymentHandlers;
 using DysonNetwork.Shared.Cache;
@@ -167,6 +168,9 @@ public static class ServiceCollectionExtensions
         
         services.Configure<OidcProviderOptions>(configuration.GetSection("OidcProvider"));
         services.AddScoped<OidcProviderService>();
+
+        services.AddScoped<PassRewindService>();
+        services.AddScoped<AccountRewindService>();
         
         services.AddHostedService<BroadcastEventHandler>();
 

DysonNetwork.Shared/Models/RewindPoint.cs

@@ -0,0 +1,21 @@
+using System.ComponentModel.DataAnnotations.Schema;
+
+namespace DysonNetwork.Shared.Models;
+
+public class SnRewindPoint : ModelBase
+{
+    public Guid Id { get; set; } = Guid.NewGuid();
+    public int Year { get; set; } = DateTime.UtcNow.Year;
+    
+    /// <summary>
+    /// Due to every year the Solar Network upgrade become better and better.
+    /// The rewind data might be incompatible at that time,
+    /// this field provide the clues for the client to parsing the data correctly.
+    /// </summary>
+    public int SchemaVersion { get; set; } = 1;
+
+    [Column(TypeName = "jsonb")] public Dictionary<string, object?> Data { get; set; } = new();
+    
+    public Guid AccountId { get; set; }
+    public SnAccount Account { get; set; } = null!;
+}

DysonNetwork.Shared/Models/SnRewindPoint.cs

@@ -1,14 +0,0 @@
-using System.ComponentModel.DataAnnotations.Schema;
-
-namespace DysonNetwork.Shared.Models;
-
-public class SnRewindPoint
-{
-    public Guid Id { get; set; } = Guid.NewGuid();
-    public int Year { get; set; } = DateTime.UtcNow.Year;
-
-    [Column(TypeName = "jsonb")] public Dictionary<string, string> Data { get; set; } = new();
-    
-    public Guid AccountId { get; set; }
-    public SnAccount Account { get; set; } = null!;
-}

DysonNetwork.Shared/Proto/rewind.proto

@@ -12,6 +12,7 @@ message RewindEvent {
 
 message RequestRewindEvent {
     string account_id = 1;
+    int32 year = 2;
 }
 
 service RewindService {

DysonNetwork.Sphere/Rewind/SphereRewindServiceGrpc.cs

@@ -3,6 +3,7 @@ using DysonNetwork.Shared.Proto;
 using DysonNetwork.Shared.Registry;
 using Grpc.Core;
 using Microsoft.EntityFrameworkCore;
+using NodaTime;
 
 namespace DysonNetwork.Sphere.Rewind;
 
@@ -15,10 +16,15 @@ public class SphereRewindServiceGrpc(
     public override async Task<RewindEvent> GetRewindEvent(RequestRewindEvent request, ServerCallContext context)
     {
         var accountId = Guid.Parse(request.AccountId);
+        var year = request.Year;
+
+        var startDate = Instant.FromDateTimeUtc(new DateTime(year - 1, 12, 26));
+        var endDate = Instant.FromDateTimeUtc(new DateTime(year, 12, 26));
 
         // Audience data
         var mostLovedPublisherClue =
             await db.PostReactions
+                .Where(a => a.CreatedAt >= startDate && a.CreatedAt < endDate)
                 .Where(p => p.AccountId == accountId && p.Attitude == Shared.Models.PostReactionAttitude.Positive)
                 .GroupBy(p => p.Post.PublisherId)
                 .OrderByDescending(g => g.Count())
@@ -36,6 +42,7 @@ public class SphereRewindServiceGrpc(
 
         var mostLovedAudienceClue =
             await db.PostReactions
+                .Where(a => a.CreatedAt >= startDate && a.CreatedAt < endDate)
                 .Where(pr =>
                     pr.Attitude == Shared.Models.PostReactionAttitude.Positive &&
                     publishers.Contains(pr.Post.PublisherId))
@@ -47,14 +54,15 @@ public class SphereRewindServiceGrpc(
             ? await remoteAccounts.GetAccount(mostLovedAudienceClue.AccountId)
             : null;
 
-        var posts = await db.Posts
+        var posts = db.Posts
+            .Where(a => a.CreatedAt >= startDate && a.CreatedAt < endDate)
             .Where(p => publishers.Contains(p.PublisherId))
-            .ToListAsync();
+            .AsQueryable();
-        var postTotalCount = posts.Count;
+        var postTotalCount = await posts.CountAsync();
-        var mostPopularPost = posts
+        var mostPopularPost = await posts
             .OrderByDescending(p => p.Upvotes - p.Downvotes)
-            .FirstOrDefault();
+            .FirstOrDefaultAsync();
-        var mostProductiveDay = posts
+        var mostProductiveDay = (await posts.Select(p => new { p.CreatedAt }).ToListAsync())
             .GroupBy(p => p.CreatedAt.ToDateTimeUtc().Date)
             .OrderByDescending(g => g.Count())
             .Select(g => new { Date = g.Key, PostCount = g.Count() })
@@ -94,4 +102,4 @@ public class SphereRewindServiceGrpc(
             Data = GrpcTypeHelper.ConvertObjectToByteString(data)
         };
     }
-}
+}

DysonNetwork.sln.DotSettings.user

@@ -37,6 +37,7 @@
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