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Improved importing

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This commit is contained in:
Robert McRackan 2019-11-25 13:45:29 -05:00
parent c8e759c067
commit a2e30df51f
11 changed files with 79 additions and 47 deletions
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34
DtoImporterService/BookImporter.cs
View file

@ -63,20 +63,30 @@ namespace DtoImporterService
private static Book createNewBook(Item item, LibationContext context)
{
// absence of authors is very rare, but possible
if (!item.Authors?.Any() ?? true)
item.Authors = new[] { new Person { Name = "", Asin = null } };
// nested logic is required so order of names is retained. else, contributors may appear in the order they were inserted into the db
var authors = item
.Authors
.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();
var narrators
= item.Narrators is null || !item.Narrators.Any()
// if no narrators listed, author is the narrator
? authors
// nested logic is required so order of names is retained. else, contributors may appear in the order they were inserted into the db
: item
.Narrators
.Select(n => context.Contributors.Local.Single(c => n.Name == c.Name))
.ToList();
// categories are laid out for a breadcrumb. category is 1st, subcategory is 2nd
// absence of categories is very rare, but possible
var lastCategory = item.Categories.LastOrDefault()?.CategoryId ?? "";
var category = context.Categories.Local.SingleOrDefault(c => c.AudibleCategoryId == lastCategory);
var book = context.Books.Add(new Book(
new AudibleProductId(item.ProductId),
@ -84,7 +94,8 @@ namespace DtoImporterService
item.Description,
item.LengthInMinutes,
authors,
narrators)
narrators,
category)
).Entity;
var publisherName = item.Publisher;
@ -94,11 +105,6 @@ namespace DtoImporterService
book.ReplacePublisher(publisher);
}
// categories are laid out for a breadcrumb. category is 1st, subcategory is 2nd
var category = context.Categories.Local.SingleOrDefault(c => c.AudibleCategoryId == item.Categories.LastOrDefault().CategoryId);
if (category != null)
book.UpdateCategory(category, context);
book.UpdateBookDetails(item.IsAbridged, item.DatePublished);
if (!string.IsNullOrWhiteSpace(item.SupplementUrl))

5
DtoImporterService/CategoryImporter.cs
View file

@ -33,8 +33,11 @@ namespace DtoImporterService
.Except(localIds)
.ToList();
// load existing => local
// remember to include default/empty/missing
var emptyName = Contributor.GetEmpty().Name;
if (remainingCategoryIds.Any())
context.Categories.Where(c => remainingCategoryIds.Contains(c.AudibleCategoryId)).ToList();
context.Categories.Where(c => remainingCategoryIds.Contains(c.AudibleCategoryId) || c.Name == emptyName).ToList();
}
// only use after loading contributors => local

7
DtoImporterService/ContributorImporter.cs
View file

@ -47,11 +47,10 @@ namespace DtoImporterService
.ToList();
// load existing => local
// remember to include default/empty/missing
var emptyName = Contributor.GetEmpty().Name;
if (remainingContribNames.Any())
context.Contributors.Where(c => remainingContribNames.Contains(c.Name)).ToList();
// _________________________________^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
// i tried to extract this pattern, but this part prohibits doing so
// wouldn't work anyway for Books.GetBooks()
context.Contributors.Where(c => remainingContribNames.Contains(c.Name) || c.Name == emptyName).ToList();
}
// only use after loading contributors => local