✨ Account friends overview endpoint

DysonNetwork.Pass/Account/FriendsController.cs

@@ -0,0 +1,60 @@
+using DysonNetwork.Shared.Models;
+using Microsoft.AspNetCore.Authorization;
+using Microsoft.AspNetCore.Mvc;
+using Microsoft.EntityFrameworkCore;
+
+namespace DysonNetwork.Pass.Account;
+
+[ApiController]
+[Route("/api/friends")]
+public class FriendsController(AppDatabase db, RelationshipService rels, AccountEventService events) : ControllerBase
+{
+    public class FriendOverviewItem
+    {
+        public SnAccount Account { get; set; } = null!;
+        public SnAccountStatus Status { get; set; } = null!;
+        public List<SnPresenceActivity> Activities { get; set; } = [];
+    }
+
+    [HttpGet("overview")]
+    [Authorize]
+    public async Task<ActionResult<List<FriendOverviewItem>>> GetOverview()
+    {
+        if (HttpContext.Items["CurrentUser"] is not SnAccount currentUser) return Unauthorized();
+
+        var friendIds = await rels.ListAccountFriends(currentUser);
+        
+        // Fetch data in parallel using batch methods for better performance
+        var accountsTask = db.Accounts
+            .Where(a => friendIds.Contains(a.Id))
+            .Include(a => a.Profile)
+            .ToListAsync();
+            
+        var statusesTask = events.GetStatuses(friendIds);
+        var activitiesTask = events.GetActiveActivitiesBatch(friendIds);
+        
+        // Wait for all data to be fetched
+        await Task.WhenAll(accountsTask, statusesTask, activitiesTask);
+        
+        var accounts = accountsTask.Result;
+        var statuses = statusesTask.Result;
+        var activities = activitiesTask.Result;
+        
+        var result = new List<FriendOverviewItem>();
+        
+        foreach (var account in accounts)
+        {
+            var status = statuses.GetValueOrDefault(account.Id);
+            var accountActivities = activities.GetValueOrDefault(account.Id, []);
+            
+            result.Add(new FriendOverviewItem
+            {
+                Account = account,
+                Status = status ?? new SnAccountStatus { AccountId = account.Id },
+                Activities = accountActivities
+            });
+        }
+        
+        return Ok(result);
+    }
+}