Files
Swarm/DysonNetwork.Pass/Rewind/PassRewindService.cs
2025-12-26 01:08:10 +08:00

81 lines
3.0 KiB
C#

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 = new LocalDate(year - 1, 12, 26).AtMidnight().InUtc().ToInstant();
var endDate = new LocalDate(year, 12, 26).AtMidnight().InUtc().ToInstant();
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 maxCheckInStreak = 0;
if (checkInDates.Count != 0)
{
maxCheckInStreak = 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 checkInCompleteness = checkInDates.Count / 365.0;
var actionDates = await db.ActionLogs
.Where(a => a.CreatedAt >= startDate && a.CreatedAt < endDate)
.Where(a => a.AccountId == accountId)
.Select(a => a.CreatedAt.ToDateTimeUtc().Date)
.ToListAsync();
var mostActiveDay = actionDates
.GroupBy(d => d)
.Select(g => new { Date = g.Key, Count = g.Count() })
.OrderByDescending(g => g.Count)
.FirstOrDefault();
var mostActiveWeekday = actionDates
.GroupBy(d => d.DayOfWeek)
.Select(g => new { Day = g.Key, Count = g.Count() })
.OrderByDescending(g => g.Count)
.FirstOrDefault();
var actionTimes = await db.ActionLogs
.Where(a => a.CreatedAt >= startDate && a.CreatedAt < endDate)
.Where(a => a.AccountId == accountId)
.Select(a => a.CreatedAt.ToDateTimeUtc())
.ToListAsync();
TimeSpan? latestActiveTime = actionTimes.Any() ? actionTimes.Max(dt => dt.TimeOfDay) : null;
var data = new Dictionary<string, object?>
{
["max_check_in_streak"] = maxCheckInStreak,
["check_in_completeness"] = checkInCompleteness,
["most_active_day"] = mostActiveDay?.Date.ToString("yyyy-MM-dd"),
["most_active_weekday"] = mostActiveWeekday?.Day.ToString(),
["latest_active_time"] = latestActiveTime?.ToString(@"hh\:mm"),
};
return new RewindEvent
{
ServiceId = "pass",
AccountId = accountId.ToString(),
Data = GrpcTypeHelper.ConvertObjectToByteString(data)
};
}
}