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Stat upload will now schedule itself between midnight and 6am in server time for upload. (#688)

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Joseph Milazzo 2021-10-18 13:30:58 -07:00 committed by GitHub
parent 7bfc3ebdab
commit 0666f87b4b
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1 changed files with 26 additions and 6 deletions
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32
API/Services/Tasks/StatsService.cs
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@ -10,6 +10,7 @@ using API.DTOs.Stats;
using API.Interfaces;
using API.Interfaces.Services;
using API.Services.Clients;
using Hangfire;
using Kavita.Common;
using Kavita.Common.EnvironmentInfo;
using Microsoft.EntityFrameworkCore;
@ -67,14 +68,8 @@ namespace API.Services.Tasks
{
try
{
_logger.LogDebug("Finalizing Stats collection flow");
var data = await GetExistingData<UsageStatisticsDto>();
_logger.LogDebug("Sending data to the Stats server");
await _client.SendDataToStatsServer(data);
_logger.LogDebug("Deleting the file from disk");
if (FileExists) File.Delete(FinalPath);
}
catch (Exception ex)
@ -84,6 +79,10 @@ namespace API.Services.Tasks
}
}
/// <summary>
/// Due to all instances firing this at the same time, we can DDOS our server. This task when fired will schedule the task to be run
/// randomly over a 6 hour spread
/// </summary>
public async Task CollectAndSendStatsData()
{
var allowStatCollection = (await _unitOfWork.SettingsRepository.GetSettingsDtoAsync()).AllowStatCollection;
@ -92,6 +91,27 @@ namespace API.Services.Tasks
_logger.LogDebug("User has opted out of stat collection, not registering tasks");
return;
}
var rnd = new Random();
var offset = rnd.Next(0, 6);
if (offset == 0)
{
await SendData();
}
else
{
_logger.LogInformation("KavitaStats upload has been schedule to run in {Offset} hours", offset);
BackgroundJob.Schedule(() => SendData(), DateTimeOffset.Now.AddHours(offset));
}
}
/// <summary>
/// This must be public for Hangfire. Do not call this directly.
/// </summary>
// ReSharper disable once MemberCanBePrivate.Global
public async Task SendData()
{
_logger.LogDebug("Sending data to the Stats server");
await CollectRelevantData();
await FinalizeStats();
}