44 lines
1.4 KiB
C#
44 lines
1.4 KiB
C#
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using System.Linq;
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using System.Security.Claims;
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using System.Threading.Tasks;
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using Microsoft.AspNetCore.Authorization;
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using Microsoft.AspNetCore.Mvc;
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namespace BlazingPizza.Server
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{
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[Route("notifications")]
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[ApiController]
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[Authorize]
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public class NotificationsController : Controller
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{
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private readonly PizzaStoreContext _db;
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public NotificationsController(PizzaStoreContext db)
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{
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_db = db;
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}
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[HttpPut("subscribe")]
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public async Task<NotificationSubscription> Subscribe(NotificationSubscription subscription)
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{
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// We're storing at most one subscription per user, so delete old ones.
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// Alternatively, you could let the user register multiple subscriptions from different browsers/devices.
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var userId = GetUserId();
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var oldSubscriptions = _db.NotificationSubscriptions.Where(e => e.UserId == userId);
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_db.NotificationSubscriptions.RemoveRange(oldSubscriptions);
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// Store new subscription
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subscription.UserId = userId;
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_db.NotificationSubscriptions.Attach(subscription);
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await _db.SaveChangesAsync();
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return subscription;
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}
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private string GetUserId()
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{
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return HttpContext.User.FindFirstValue(ClaimTypes.NameIdentifier);
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}
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}
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}
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