72 lines
1.8 KiB
C#
72 lines
1.8 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Linq;
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using AudibleApi.Common;
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using AudibleUtilities;
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using DataLayer;
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namespace DtoImporterService
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{
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public class SeriesImporter : ItemsImporterBase
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{
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public SeriesImporter(LibationContext context) : base(context) { }
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public override IEnumerable<Exception> Validate(IEnumerable<ImportItem> importItems) => new SeriesValidator().Validate(importItems.Select(i => i.DtoItem));
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protected override int DoImport(IEnumerable<ImportItem> importItems)
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{
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// get distinct
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var series = importItems
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.Select(i => i.DtoItem)
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.GetSeriesDistinct()
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.ToList();
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// load db existing => .Local
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loadLocal_series(series);
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// upsert
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var qtyNew = upsertSeries(series);
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return qtyNew;
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}
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private void loadLocal_series(List<AudibleApi.Common.Series> series)
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{
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var seriesIds = series.Select(s => s.SeriesId).ToList();
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var localIds = DbContext.Series.Local.Select(s => s.AudibleSeriesId).ToList();
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var remainingSeriesIds = seriesIds
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.Distinct()
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.Except(localIds)
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.ToList();
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if (remainingSeriesIds.Any())
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DbContext.Series.Where(s => remainingSeriesIds.Contains(s.AudibleSeriesId)).ToList();
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}
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private int upsertSeries(List<AudibleApi.Common.Series> requestedSeries)
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{
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var qtyNew = 0;
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foreach (var s in requestedSeries)
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{
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var series = DbContext.Series.Local.FirstOrDefault(c => c.AudibleSeriesId == s.SeriesId);
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if (series is null)
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{
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try
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{
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series = DbContext.Series.Add(new DataLayer.Series(new AudibleSeriesId(s.SeriesId))).Entity;
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}
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catch (Exception ex)
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{
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Serilog.Log.Logger.Error(ex, "Error adding series. {@DebugInfo}", new { s?.SeriesId });
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throw;
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}
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qtyNew++;
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}
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series.UpdateName(s.SeriesName);
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}
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return qtyNew;
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}
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}
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}
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