✨ Notification APIs

DysonNetwork.Sphere/Account/NotificationController.cs

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+using System.ComponentModel.DataAnnotations;
+using DysonNetwork.Sphere.Post;
+using Microsoft.AspNetCore.Authorization;
+using Microsoft.AspNetCore.Mvc;
+using Microsoft.EntityFrameworkCore;
+
+namespace DysonNetwork.Sphere.Account;
+
+[ApiController]
+[Route("/notifications")]
+public class NotificationController(AppDatabase db, NotificationService nty) : ControllerBase
+{
+    [HttpGet]
+    [Authorize]
+    public async Task<ActionResult<List<Notification>>> ListNotifications([FromQuery] int offset = 0,
+        [FromQuery] int take = 20)
+    {
+        HttpContext.Items.TryGetValue("CurrentUser", out var currentUserValue);
+        var currentUser = currentUserValue as Account;
+        if (currentUser == null) return Unauthorized();
+
+        var totalCount = await db.Notifications
+            .Where(s => s.AccountId == currentUser.Id)
+            .CountAsync();
+        var notifications = await db.Notifications
+            .Where(s => s.AccountId == currentUser.Id)
+            .OrderByDescending(e => e.CreatedAt)
+            .Skip(offset)
+            .Take(take)
+            .ToListAsync();
+
+        Response.Headers["X-Total"] = totalCount.ToString();
+
+        return Ok(notifications);
+    }
+
+    public class PushNotificationSubscribeRequest
+    {
+        [MaxLength(4096)] public string DeviceId { get; set; } = null!;
+        [MaxLength(4096)] public string DeviceToken { get; set; } = null!;
+        public NotificationPushProvider Provider { get; set; }
+    }
+
+    [HttpPut("subscription")]
+    [Authorize]
+    public async Task<ActionResult<NotificationPushSubscription>> SubscribeToPushNotification(
+        [FromBody] PushNotificationSubscribeRequest request
+    )
+    {
+        HttpContext.Items.TryGetValue("CurrentUser", out var currentUserValue);
+        var currentUser = currentUserValue as Account;
+        if (currentUser == null) return Unauthorized();
+
+        var result =
+            await nty.SubscribePushNotification(currentUser, request.Provider, request.DeviceId, request.DeviceToken);
+
+        return Ok(result);
+    }
+}