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Fixed issue where chapter based volumes wouldn't properly handle chapter divide when reading a manga.

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This commit is contained in:
Joseph Milazzo 2021-01-11 17:11:06 -06:00
parent 731e3a9c5e
commit c2b41b774a
4 changed files with 24 additions and 28 deletions
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16
API/Services/CacheService.cs
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@ -2,6 +2,7 @@
using System.IO;
using System.Linq;
using System.Threading.Tasks;
using API.Comparators;
using API.Entities;
using API.Extensions;
using API.Interfaces;
@ -14,6 +15,7 @@ namespace API.Services
private readonly IDirectoryService _directoryService;
private readonly ISeriesRepository _seriesRepository;
private readonly ILogger<CacheService> _logger;
private readonly NumericComparer _numericComparer;
private readonly string _cacheDirectory = Path.GetFullPath(Path.Join(Directory.GetCurrentDirectory(), "../cache/"));
public CacheService(IDirectoryService directoryService, ISeriesRepository seriesRepository, ILogger<CacheService> logger)
@ -21,6 +23,7 @@ namespace API.Services
_directoryService = directoryService;
_seriesRepository = seriesRepository;
_logger = logger;
_numericComparer = new NumericComparer();
}
public async Task<Volume> Ensure(int volumeId)
@ -85,12 +88,21 @@ namespace API.Services
public string GetCachedPagePath(Volume volume, int page)
{
// Calculate what chapter the page belongs to
var pagesSoFar = 0;
foreach (var mangaFile in volume.Files.OrderBy(f => f.Chapter))
{
if (page + 1 < mangaFile.NumberOfPages)
if (page + 1 < (mangaFile.NumberOfPages + pagesSoFar))
{
return GetVolumeCachePath(volume.Id, mangaFile);
var path = GetVolumeCachePath(volume.Id, mangaFile);
var files = _directoryService.ListFiles(path);
var array = files.ToArray();
Array.Sort(array, _numericComparer); // TODO: Find a way to apply numericComparer to IList.
return array.ElementAt((page + 1) - pagesSoFar);
}
pagesSoFar += mangaFile.NumberOfPages;
}
return "";
}