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Merge pull request #56 from Kareadita/feature/scan-parallelize

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Parallelize ScanLibrary
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Joseph Milazzo 2021-02-10 14:21:16 -06:00 committed by GitHub
commit 5ee27b5e7b
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1 changed files with 12 additions and 9 deletions
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21
API/Services/ScannerService.cs
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@ -6,6 +6,7 @@ using System.Globalization;
using System.IO; using System.IO;
using System.Linq; using System.Linq;
using System.Runtime.CompilerServices; using System.Runtime.CompilerServices;
using System.Threading;
using System.Threading.Tasks; using System.Threading.Tasks;
using API.Entities; using API.Entities;
using API.Entities.Enums; using API.Entities.Enums;
@ -147,7 +148,6 @@ namespace API.Services
private void UpdateLibrary(Library library, Dictionary<string, List<ParserInfo>> parsedSeries) private void UpdateLibrary(Library library, Dictionary<string, List<ParserInfo>> parsedSeries)
{ {
// TODO: Split this into multiple threads
// First, remove any series that are not in parsedSeries list // First, remove any series that are not in parsedSeries list
var foundSeries = parsedSeries.Select(s => Parser.Parser.Normalize(s.Key)).ToList(); var foundSeries = parsedSeries.Select(s => Parser.Parser.Normalize(s.Key)).ToList();
var missingSeries = library.Series.Where(existingSeries => var missingSeries = library.Series.Where(existingSeries =>
@ -180,16 +180,19 @@ namespace API.Services
} }
existingSeries.NormalizedName = Parser.Parser.Normalize(info.Key); existingSeries.NormalizedName = Parser.Parser.Normalize(info.Key);
} }
int total = 0;
// Now, we only have to deal with series that exist on disk. Let's recalculate the volumes for each series // Now, we only have to deal with series that exist on disk. Let's recalculate the volumes for each series
foreach (var existingSeries in library.Series) var librarySeries = library.Series.ToList();
Parallel.ForEach<Series, int>(librarySeries, () => 0, (series, state, subtotal) =>
{ {
_logger.LogInformation("Processing series {SeriesName}", existingSeries.Name); _logger.LogInformation("Processing series {SeriesName}", series.Name);
UpdateVolumes(existingSeries, parsedSeries[existingSeries.Name].ToArray()); UpdateVolumes(series, parsedSeries[series.Name].ToArray());
existingSeries.Pages = existingSeries.Volumes.Sum(v => v.Pages); series.Pages = series.Volumes.Sum(v => v.Pages);
_metadataService.UpdateMetadata(existingSeries, _forceUpdate); _metadataService.UpdateMetadata(series, _forceUpdate);
} return 0;
}, finalResult => Interlocked.Add(ref total, finalResult));
foreach (var folder in library.Folders) folder.LastScanned = DateTime.Now; foreach (var folder in library.Folders) folder.LastScanned = DateTime.Now;
} }