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Merge pull request #260 from Mbucari/master

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Throttle episode scanning to 10 concurrent scans.
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rmcrackan 2022-05-26 11:29:18 -04:00 committed by GitHub
commit 99b77decff
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1 changed files with 39 additions and 25 deletions
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26
Source/AudibleUtilities/ApiExtended.cs
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@ -1,6 +1,7 @@
using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading;
using System.Threading.Tasks;
using AudibleApi;
using AudibleApi.Common;
@ -119,18 +120,19 @@ namespace AudibleUtilities
{
var items = new List<Item>();
Serilog.Log.Logger.Debug("Begin library scan");
Serilog.Log.Logger.Debug("Beginning library scan.");
List<Task<List<Item>>> getChildEpisodesTasks = new();
int count = 0;
int count = 0, maxConcurrentEpisodeScans = 5;
using SemaphoreSlim concurrencySemaphore = new(maxConcurrentEpisodeScans);
await foreach (var item in Api.GetLibraryItemAsyncEnumerable(libraryOptions))
{
if (item.IsEpisodes && importEpisodes)
{
//Get child episodes asynchronously and await all at the end
getChildEpisodesTasks.Add(getChildEpisodesAsync(item));
getChildEpisodesTasks.Add(getChildEpisodesAsync(concurrencySemaphore, item));
}
else if (!item.IsEpisodes)
items.Add(item);
@ -138,13 +140,13 @@ namespace AudibleUtilities
count++;
}
Serilog.Log.Logger.Debug("Library scan complete. Found {count} books. Waiting on episode scans to complete", count);
Serilog.Log.Logger.Debug("Library scan complete. Found {count} books and series. Waiting on {getChildEpisodesTasksCount} series episode scans to complete.", count, getChildEpisodesTasks.Count);
//await and add all episides from all parents
foreach (var epList in await Task.WhenAll(getChildEpisodesTasks))
items.AddRange(epList);
Serilog.Log.Logger.Debug("Scan complete");
Serilog.Log.Logger.Debug("Completed library scan.");
#if DEBUG
//System.IO.File.WriteAllText(library_json, AudibleApi.Common.Converter.ToJson(items));
@ -163,7 +165,11 @@ namespace AudibleUtilities
#region episodes and podcasts
private async Task<List<Item>> getChildEpisodesAsync(Item parent)
private async Task<List<Item>> getChildEpisodesAsync(SemaphoreSlim concurrencySemaphore, Item parent)
{
await concurrencySemaphore.WaitAsync();
try
{
Serilog.Log.Logger.Debug("Beginning episode scan for {parent}", parent);
@ -199,8 +205,16 @@ namespace AudibleUtilities
}
};
}
Serilog.Log.Logger.Debug("Completed episode scan for {parent}", parent);
return children;
}
finally
{
concurrencySemaphore.Release();
}
}
private async Task<List<Item>> getEpisodeChildrenAsync(Item parent)
{