feat random bullshit GO!

LctMonolith/Services/AnalyticsService.cs

@@ -0,0 +1,34 @@
+using LctMonolith.Infrastructure.UnitOfWork;
+using LctMonolith.Services.Models;
+using Microsoft.EntityFrameworkCore;
+
+namespace LctMonolith.Services;
+
+/// <summary>
+/// Provides aggregated analytics metrics for dashboards.
+/// </summary>
+public class AnalyticsService : IAnalyticsService
+{
+    private readonly IUnitOfWork _uow;
+    public AnalyticsService(IUnitOfWork uow) => _uow = uow;
+
+    public async Task<AnalyticsSummary> GetSummaryAsync(CancellationToken ct = default)
+    {
+        var totalUsers = await _uow.Users.Query().CountAsync(ct);
+        var totalMissions = await _uow.Missions.Query().CountAsync(ct);
+        var completedMissions = await _uow.UserMissions.Query(um => um.Status == Domain.Entities.MissionStatus.Completed).CountAsync(ct);
+        var totalArtifacts = await _uow.Artifacts.Query().CountAsync(ct);
+        var totalStoreItems = await _uow.StoreItems.Query().CountAsync(ct);
+        var totalExperience = await _uow.Users.Query().SumAsync(u => (long)u.Experience, ct);
+        return new AnalyticsSummary
+        {
+            TotalUsers = totalUsers,
+            TotalMissions = totalMissions,
+            CompletedMissions = completedMissions,
+            TotalArtifacts = totalArtifacts,
+            TotalStoreItems = totalStoreItems,
+            TotalExperience = totalExperience
+        };
+    }
+}
+