roadie/Roadie.Api/Controllers/StatsController.cs

using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Identity;
using Microsoft.AspNetCore.Mvc;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.Logging;
using Roadie.Api.Services;
using Roadie.Library.Caching;
using Roadie.Library.Identity;
using System.Collections.Generic;
using System.Diagnostics;
using System.Threading.Tasks;

namespace Roadie.Api.Controllers
{
    [Produces("application/json")]
    [Route("stats")]
    [ApiController]
    [Authorize]
    public class StatsController : EntityControllerBase
    {
        private IStatisticsService StatisticsService { get; }

        public StatsController(IStatisticsService statisticsService, ILoggerFactory logger, ICacheManager cacheManager, IConfiguration configuration, UserManager<ApplicationUser> userManager)
            : base(cacheManager, configuration, userManager)
        {
            this.Logger = logger.CreateLogger("RoadieApi.Controllers.StatsController");
            this.StatisticsService = statisticsService;
        }

        [HttpGet("ping")]
        [ProducesResponseType(200)]
        [AllowAnonymous]
        public IActionResult Ping()
        {
            return Ok("pong");
        }

        [HttpGet("info")]
        [ProducesResponseType(200)]
        [AllowAnonymous]
        public IActionResult Info()
        {
            var proc = Process.GetCurrentProcess();
            var mem = proc.WorkingSet64;
            var cpu = proc.TotalProcessorTime;
            var messages = new List<string>();
            messages.Add("▜ Memory Information: ");
            messages.Add(string.Format("My process used working set {0:n3} K of working set and CPU {1:n} msec", mem / 1024.0, cpu.TotalMilliseconds));
            foreach (var aProc in Process.GetProcesses())
            {
                messages.Add(string.Format("Proc {0,30}  CPU {1,-20:n} msec", aProc.ProcessName, cpu.TotalMilliseconds));
            }
            messages.Add("▟ Memory Information: ");

            return Ok(messages);
        }

        [HttpGet("library")]
        [ProducesResponseType(200)]
        public async Task<IActionResult> Library()
        {
            return Ok(await this.StatisticsService.LibraryStatistics());
        }

        [HttpGet("releasesByDate")]
        [ProducesResponseType(200)]
        public async Task<IActionResult> ReleasesByDate()
        {
            return Ok(await this.StatisticsService.ReleasesByDate());
        }
    }
}