✨ Add account statuses

DysonNetwork.Sphere/Account/AccountController.cs

@@ -1,5 +1,6 @@
 using System.ComponentModel.DataAnnotations;
 using DysonNetwork.Sphere.Auth;
+using DysonNetwork.Sphere.Permission;
 using DysonNetwork.Sphere.Storage;
 using Microsoft.AspNetCore.Authorization;
 using Microsoft.AspNetCore.Mvc;
@@ -15,6 +16,7 @@ public class AccountController(
     FileService fs,
     AuthService auth,
     AccountService accounts,
+    AccountEventService events,
     MagicSpellService spells
 ) : ControllerBase
 {
@@ -203,6 +205,62 @@ public class AccountController(
         return profile;
     }
 
+    public class StatusRequest
+    {
+        public StatusAttitude Attitude { get; set; }
+        public bool IsInvisible { get; set; }
+        public bool IsNotDisturb { get; set; }
+        [MaxLength(1024)] public string? Label { get; set; }
+        public Instant? ClearedAt { get; set; }
+    }
+
+    [HttpGet("me/statuses")]
+    [Authorize]
+    public async Task<ActionResult<Status>> GetCurrentStatus()
+    {
+        if (HttpContext.Items["CurrentUser"] is not Account currentUser) return Unauthorized();
+        var status = await events.GetStatus(currentUser.Id);
+        return Ok(status);
+    }
+
+    [HttpPost("me/statuses")]
+    [Authorize]
+    [RequiredPermission("global", "accounts.statuses.create")]
+    public async Task<ActionResult<Status>> CreateStatus([FromBody] StatusRequest request)
+    {
+        if (HttpContext.Items["CurrentUser"] is not Account currentUser) return Unauthorized();
+
+        var status = new Status
+        {
+            AccountId = currentUser.Id,
+            Attitude = request.Attitude,
+            IsInvisible = request.IsInvisible,
+            IsNotDisturb = request.IsNotDisturb,
+            Label = request.Label,
+            ClearedAt = request.ClearedAt
+        };
+
+        return await events.CreateStatus(currentUser, status);
+    }
+
+    [HttpDelete("me/statuses")]
+    [Authorize]
+    public async Task<ActionResult> DeleteStatus()
+    {
+        if (HttpContext.Items["CurrentUser"] is not Account currentUser) return Unauthorized();
+
+        var now = SystemClock.Instance.GetCurrentInstant();
+        var status = await db.AccountStatuses
+            .Where(s => s.AccountId == currentUser.Id)
+            .Where(s => s.ClearedAt == null || s.ClearedAt > now)
+            .OrderByDescending(s => s.CreatedAt)
+            .FirstOrDefaultAsync();
+        if (status is null) return NotFound();
+        
+        await events.ClearStatus(currentUser, status);
+        return NoContent();
+    }
+
     [HttpGet("search")]
     public async Task<List<Account>> Search([FromQuery] string query, [FromQuery] int take = 20)
     {

DysonNetwork.Sphere/Account/AccountEventService.cs

@@ -0,0 +1,79 @@
+using DysonNetwork.Sphere.Activity;
+using DysonNetwork.Sphere.Connection;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.Extensions.Caching.Memory;
+using NodaTime;
+using NodaTime;
+
+namespace DysonNetwork.Sphere.Account;
+
+public class AccountEventService(AppDatabase db, ActivityService act, WebSocketService ws, IMemoryCache cache)
+{
+    private const string StatusCacheKey = "account_status_";
+
+    public async Task<Status> GetStatus(long userId)
+    {
+        var cacheKey = $"{StatusCacheKey}{userId}";
+        if (cache.TryGetValue(cacheKey, out Status? cachedStatus))
+            return cachedStatus!;
+
+        var now = SystemClock.Instance.GetCurrentInstant();
+        var status = await db.AccountStatuses
+            .Where(e => e.AccountId == userId)
+            .Where(e => e.ClearedAt == null || e.ClearedAt > now)
+            .OrderByDescending(e => e.CreatedAt)
+            .FirstOrDefaultAsync();
+        if (status is not null)
+        {
+            cache.Set(cacheKey, status, TimeSpan.FromMinutes(5));
+            return status;
+        }
+
+        var isOnline = ws.GetAccountIsConnected(userId);
+        if (isOnline)
+        {
+            return new Status
+            {
+                Attitude = StatusAttitude.Neutral,
+                IsOnline = true,
+                Label = "Online",
+                AccountId = userId,
+            };
+        }
+
+        return new Status
+        {
+            Attitude = StatusAttitude.Neutral,
+            IsOnline = false,
+            Label = "Offline",
+            AccountId = userId,
+        };
+    }
+
+    public async Task<Status> CreateStatus(Account user, Status status)
+    {
+        var now = SystemClock.Instance.GetCurrentInstant();
+        await db.AccountStatuses
+            .Where(x => x.AccountId == user.Id && (x.ClearedAt == null || x.ClearedAt > now))
+            .ExecuteUpdateAsync(s => s.SetProperty(x => x.ClearedAt, now));
+
+        db.AccountStatuses.Add(status);
+        await db.SaveChangesAsync();
+
+        await act.CreateActivity(
+            user,
+            "accounts.status",
+            $"account.statuses/{status.Id}",
+            ActivityVisibility.Friends
+        );
+
+        return status;
+    }
+
+    public async Task ClearStatus(Account user, Status status)
+    {
+        status.ClearedAt = SystemClock.Instance.GetCurrentInstant();
+        db.Update(status);
+        await db.SaveChangesAsync();
+    }
+}

DysonNetwork.Sphere/Account/Status.cs

@@ -0,0 +1,26 @@
+using System.ComponentModel.DataAnnotations;
+using System.ComponentModel.DataAnnotations.Schema;
+using NodaTime;
+
+namespace DysonNetwork.Sphere.Account;
+
+public enum StatusAttitude
+{
+    Positive,
+    Negative,
+    Neutral
+}
+
+public class Status : ModelBase
+{
+    public Guid Id { get; set; } = Guid.NewGuid();
+    public StatusAttitude Attitude { get; set; }
+    [NotMapped] public bool IsOnline { get; set; }
+    public bool IsInvisible { get; set; }
+    public bool IsNotDisturb { get; set; }
+    [MaxLength(1024)] public string? Label { get; set; }
+    public Instant? ClearedAt { get; set; }
+    
+    public long AccountId { get; set; }
+    public Account Account { get; set; } = null!;
+}