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Fix performance issues, esp regarding saving tags

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This commit is contained in:
Robert McRackan 2019-11-18 14:37:17 -05:00
parent 6734dec55c
commit f3128b562d
12 changed files with 142 additions and 176 deletions
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44
DtoImporterService/BookImporter.cs
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@ -57,38 +57,40 @@ namespace DtoImporterService
.Select(a => context.Contributors.Local.Single(c => a.Name == c.Name))
.ToList();
// if no narrators listed, author is the narrator
if (item.Narrators is null || !item.Narrators.Any())
item.Narrators = item.Authors;
// nested logic is required so order of names is retained. else, contributors may appear in the order they were inserted into the db
var narrators = item
.Narrators
.Select(n => context.Contributors.Local.Single(c => n.Name == c.Name))
.ToList();
book = context.Books.Add(new Book(
new AudibleProductId(item.ProductId), item.Title, item.Description, item.LengthInMinutes, authors))
.Entity;
new AudibleProductId(item.ProductId),
item.Title,
item.Description,
item.LengthInMinutes,
authors,
narrators)
).Entity;
var publisherName = item.Publisher;
if (!string.IsNullOrWhiteSpace(publisherName))
{
var publisher = context.Contributors.Local.Single(c => publisherName == c.Name);
book.ReplacePublisher(publisher);
}
qtyNew++;
}
// if no narrators listed, author is the narrator
if (item.Narrators is null || !item.Narrators.Any())
item.Narrators = item.Authors;
// nested logic is required so order of names is retained. else, contributors may appear in the order they were inserted into the db
var narrators = item
.Narrators
.Select(n => context.Contributors.Local.Single(c => n.Name == c.Name))
.ToList();
// not all books have narrators. these will already be using author as narrator. don't undo this
if (narrators.Any())
book.ReplaceNarrators(narrators);
// set/update book-specific info which may have changed
book.PictureId = item.PictureId;
book.UpdateProductRating(item.Product_OverallStars, item.Product_PerformanceStars, item.Product_StoryStars);
if (!string.IsNullOrWhiteSpace(item.SupplementUrl))
book.AddSupplementDownloadUrl(item.SupplementUrl);
var publisherName = item.Publisher;
if (!string.IsNullOrWhiteSpace(publisherName))
{
var publisher = context.Contributors.Local.Single(c => publisherName == c.Name);
book.ReplacePublisher(publisher);
}
// important to update user-specific info. this will have changed if user has rated/reviewed the book since last library import
book.UserDefinedItem.UpdateRating(item.MyUserRating_Overall, item.MyUserRating_Performance, item.MyUserRating_Story);