Add ISBN to the metadata editor

lib/admin.go

@@ -9,6 +9,7 @@ import (
 
 	"github.com/gorilla/mux"
 	"gitlab.com/trantor/trantor/lib/database"
+	"gitlab.com/trantor/trantor/lib/parser"
 )
 
 const (
@@ -94,6 +95,7 @@ func saveHandler(h handler) {
 	description := h.r.FormValue("description")
 	author := cleanEmptyStr(h.r.Form["author"])
 	subject := cleanEmptyStr(h.r.Form["subject"])
+	isbn := parser.ISBN(h.r.FormValue("isbn")) // XXX: check for errors
 	lang := cleanEmptyStr(h.r.Form["lang"])
 	book := map[string]interface{}{"title": title,
 		"publisher":   publisher,
@@ -101,6 +103,7 @@ func saveHandler(h handler) {
 		"description": description,
 		"author":      author,
 		"subject":     subject,
+		"isbn":        isbn,
 		"lang":        lang}
 	err := h.db.UpdateBook(id, book)
 	if err != nil {