library/query/openlibrary.go

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package query
import (
"strings"
"git.yetaga.in/alazyreader/go-openlibrary/client"
"git.yetaga.in/alazyreader/library/media"
)
type OpenLibrary struct {
client client.Client
}
func (o *OpenLibrary) GetByISBN(isbn string) (*media.Book, error) {
details, err := o.client.GetByISBN(isbn)
if err != nil {
return nil, err
}
return openLibraryToBook(details), nil
}
func openLibraryToBook(details *client.BookDetails) *media.Book {
return &media.Book{
Title: details.Title,
Authors: getAuthors(details.Authors),
SortAuthor: strings.ToLower(getLastName(tryGetFirst(getAuthors(details.Authors)))),
Publisher: getPublisher(details.Publishers),
ISBN10: tryGetFirst(details.Identifiers.ISBN10),
ISBN13: tryGetFirst(details.Identifiers.ISBN13),
}
}
func getPublisher(publishers []client.Publishers) string {
if len(publishers) == 0 {
return ""
}
return publishers[0].Name
}
func getAuthors(authors []client.Authors) []string {
ret := make([]string, len(authors))
for _, author := range authors {
ret = append(ret, author.Name)
}
return ret
}