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using Enmarcha.Backend.Configuration;
using Enmarcha.Backend.Services;
using Microsoft.AspNetCore.Mvc;
using Microsoft.Extensions.Options;
namespace Enmarcha.Backend.Controllers;
[Route("api/push")]
[ApiController]
public class PushController(IPushNotificationService pushService, IOptions<AppConfiguration> config) : ControllerBase
{
/// <summary>Returns the VAPID public key for the browser to use when subscribing.</summary>
[HttpGet("vapid-public-key")]
public IActionResult GetVapidPublicKey()
{
var vapid = config.Value.Vapid;
if (vapid is null)
return StatusCode(StatusCodes.Status503ServiceUnavailable, "Push notifications are not configured on this server.");
return Ok(new { publicKey = vapid.PublicKey });
}
/// <summary>Registers a new push subscription.</summary>
[HttpPost("subscribe")]
public async Task<IActionResult> Subscribe([FromBody] SubscribeRequest request)
{
if (!Uri.TryCreate(request.Endpoint, UriKind.Absolute, out var uri) || uri.Scheme != Uri.UriSchemeHttps)
return BadRequest("Invalid push endpoint: must be an absolute HTTPS URL.");
if (string.IsNullOrWhiteSpace(request.P256Dh) || string.IsNullOrWhiteSpace(request.Auth))
return BadRequest("Missing encryption keys.");
await pushService.SubscribeAsync(request.Endpoint, request.P256Dh, request.Auth);
return NoContent();
}
/// <summary>Removes a push subscription.</summary>
[HttpDelete("unsubscribe")]
public async Task<IActionResult> Unsubscribe([FromBody] UnsubscribeRequest request)
{
if (string.IsNullOrWhiteSpace(request.Endpoint))
return BadRequest("Endpoint is required.");
await pushService.UnsubscribeAsync(request.Endpoint);
return NoContent();
}
}
public record SubscribeRequest(string Endpoint, string P256Dh, string Auth);
public record UnsubscribeRequest(string Endpoint);
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