feat: Create hosted service to regularly index radio series

1 files changed, 34 insertions, 0 deletions

diff --git a/src/Services/Hosted/RadioIndexerService.cs b/src/Services/Hosted/RadioIndexerService.cs
new file mode 100644
index 0000000..44025ab
--- /dev/null
+++ b/src/Services/Hosted/RadioIndexerService.cs
@@ -0,0 +1,34 @@
+namespace I2R.LightNews.Services.Hosted;
+
+public class RadioIndexerService : IHostedService, IDisposable
+{
+    private readonly NrkRadioService _radio;
+    private readonly ILogger<RadioIndexerService> _logger;
+    private Timer _timer;
+
+    public RadioIndexerService(NrkRadioService radio, ILogger<RadioIndexerService> logger) {
+        _radio = radio;
+        _logger = logger;
+    }
+
+    public Task StartAsync(CancellationToken cancellationToken) {
+        _logger.LogInformation("Radio Indexer Service running.");
+
+        async void Callback(object state) {
+            await _radio.CreateIndexAsync(cancellationToken);
+        }
+
+        _timer = new Timer(Callback, null, TimeSpan.Zero, TimeSpan.FromMinutes(20));
+        return Task.CompletedTask;
+    }
+
+    public Task StopAsync(CancellationToken cancellationToken) {
+        _logger.LogInformation("Radio Indexer Service is stopping.");
+        _timer?.Change(Timeout.Infinite, 0);
+        return Task.CompletedTask;
+    }
+
+    public void Dispose() {
+        _timer?.Dispose();
+    }
+}