48 lines
1.3 KiB
C#
48 lines
1.3 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Linq;
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using AudibleApiDTOs;
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using DataLayer;
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using InternalUtilities;
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namespace DtoImporterService
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{
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public class LibraryImporter : ItemsImporterBase
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{
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public LibraryImporter(LibationContext context, Account account) : base(context, account) { }
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public override IEnumerable<Exception> Validate(IEnumerable<Item> items) => new LibraryValidator().Validate(items);
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protected override int DoImport(IEnumerable<Item> items)
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{
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new BookImporter(DbContext, Account).Import(items);
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var qtyNew = upsertLibraryBooks(items);
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return qtyNew;
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}
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private int upsertLibraryBooks(IEnumerable<Item> items)
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{
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var currentLibraryProductIds = DbContext.Library.Select(l => l.Book.AudibleProductId).ToList();
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var newItems = items.Where(dto => !currentLibraryProductIds.Contains(dto.ProductId)).ToList();
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foreach (var newItem in newItems)
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{
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var libraryBook = new LibraryBook(
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DbContext.Books.Local.Single(b => b.AudibleProductId == newItem.ProductId),
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newItem.DateAdded,
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Account.AccountId);
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DbContext.Library.Add(libraryBook);
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}
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// needed for v3 => v4 upgrade
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var toUpdate = DbContext.Library.Where(l => l.Account == null);
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foreach (var u in toUpdate)
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u.UpdateAccount(Account.AccountId);
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var qtyNew = newItems.Count;
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return qtyNew;
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}
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}
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}
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