public async Task <bool> CheckMenuChanged()
{
try
{
CafetApiResponse resp = await Api.FetchMenu();
IDatabase db = _redis.GetDatabase(0, new object());
string lasturl = await db.StringGetAsync(LastFetchKey);
await db.StringSetAsync(LastFetchKey, resp.FetchURL);
if (lasturl == null || lasturl == resp.FetchURL)
{
return(false);
}
await Notify(resp);
return(true);
}
catch (HttpRequestException ex)
{
System.Console.WriteLine("Could not fetch menu:");
System.Console.WriteLine(ex);
return(false);
}
}
public static async Task <CafetApiResponse> FetchMenu()
{
var resp = await _client.GetAsync(_host);
resp.EnsureSuccessStatusCode();
CafetApiResponse caf = JsonConvert.DeserializeObject <CafetApiResponse>(await resp.Content.ReadAsStringAsync());
return(caf);
}
private async Task Notify(CafetApiResponse resp)
{
ISubscriber sub = _redis.GetSubscriber();
RedisNotification notif = new RedisNotification()
{
Text = "El menú de esta semana ya está disponible! Utiliza el comando /menu para mirar el de hoy.",
Link = resp.FetchURL,
};
await sub.PublishAsync(NotificationChannel, JsonConvert.SerializeObject(notif));
}
