basic importing works

importer/csv.go

@@ -0,0 +1,65 @@
+package importer
+
+import (
+	"encoding/csv"
+	"io"
+	"strings"
+
+	"git.yetaga.in/alazyreader/library/book"
+)
+
+func CSVToBooks(r io.Reader) ([]book.Book, error) {
+	reader := csv.NewReader(r)
+	header, err := reader.Read()
+	if err != nil {
+		return nil, err
+	}
+	hmap := parseHeader(header)
+	books := []book.Book{}
+
+	for {
+		row, err := reader.Read()
+		if err == io.EOF {
+			break
+		}
+		if err != nil {
+			return books, err
+		}
+		b := book.Book{
+			Title:       row[hmap["title"]],
+			Authors:     parseAuthors(row[hmap["author"]]),
+			SortAuthor:  row[hmap["authorlast"]],
+			ISBN10:      row[hmap["isbn-10"]],
+			ISBN13:      row[hmap["isbn-13"]],
+			Format:      row[hmap["format"]],
+			Genre:       row[hmap["genre"]],
+			Publisher:   row[hmap["publisher"]],
+			Series:      row[hmap["series"]],
+			Volume:      row[hmap["volume"]],
+			Year:        row[hmap["year"]],
+			Signed:      row[hmap["signed"]] == "yes", // convert from known string to bool
+			Description: row[hmap["description"]],
+			Notes:       row[hmap["notes"]],
+			OnLoan:      row[hmap["onloan"]],
+			CoverURL:    row[hmap["coverurl"]],
+		}
+		books = append(books, b)
+	}
+	return books, nil
+}
+
+func parseHeader(header []string) map[string]int {
+	m := make(map[string]int, len(header)-1)
+	for i := range header {
+		m[strings.TrimSpace(strings.ToLower(header[i]))] = i
+	}
+	return m
+}
+
+func parseAuthors(a string) []string {
+	as := strings.Split(a, ";")
+	for i := range as {
+		as[i] = strings.TrimSpace(as[i])
+	}
+	return as
+}