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using Microsoft.AspNetCore.Mvc;
using Microsoft.Extensions.Hosting;
namespace LibraryAPI.Services {
public class LoggerService : IHostedService {
private readonly IWebHostEnvironment env;
private readonly string log_file = "Log.txt";
private Timer timer;
public LoggerService(IWebHostEnvironment env) {
this.env = env;
}
public Task StartAsync(CancellationToken cancel_token) {
timer = new Timer(DoWork, null, TimeSpan.Zero, TimeSpan.FromMinutes(5));
return Task.CompletedTask;
}
public void DoWork(object state){
LogToFile("Executing task\n" + DateTime.Now.ToString("dd/MM/yyyy hh:mm:ss"));
}
public Task StopAsync(CancellationToken cancel_token) {
LogToFile("Stopping task...\n");
timer.Dispose();
return Task.CompletedTask;
}
private void LogToFile(string message) {
var path = $@"{env.ContentRootPath}/wwwroot/{log_file}";
using (StreamWriter w = new StreamWriter(path, append: true)) {
w.WriteLine(message);
}
}
}
}
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