private static async Task CreateConsumer()
{
await Task.Run(() =>
{
var conf = new Dictionary <string, object>
{
{ "group.id", "balance-group" },
{ "bootstrap.servers", "kafka1:9093,kafka2:9093" },
{ "auto.offset.reset", "earliest" },
{ "enable.auto.commit", "false" },
};
using (var consumer = new Consumer <Null, string>(conf, null, new StringDeserializer(Encoding.UTF8)))
{
consumer.OnMessage += async(_, msg) =>
{
Console.WriteLine($"Value: {msg.Value}\r\nFrom partition: {msg.Partition}");
try
{
var def = new { type = "", data = new { ID = "" } };
var obj = Newtonsoft.Json.JsonConvert.DeserializeAnonymousType(msg.Value, def);
BalanceHelper.CreateBalanceAccount(int.Parse(obj.data.ID));
await consumer.CommitAsync(msg);
}
catch (Exception ex)
{
Console.Write($"message: {ex.Message}\r\n{ex.StackTrace}");
}
};
consumer.OnError += (_, error)
=> Console.WriteLine($"Error: {error}");
consumer.OnConsumeError += (_, msg)
=> Console.WriteLine($"Consume error ({msg.TopicPartitionOffset}): {msg.Error}");
consumer.Subscribe("userevent");
while (true)
{
consumer.Poll(TimeSpan.FromMilliseconds(100));
}
}
});
}
public IActionResult CreateAccount(int user_id)
{
BalanceHelper.CreateBalanceAccount(user_id);
return(Created("account", user_id));
}
