Added lookup one single book

Signed-off-by: kolaente <konrad@kola-entertainments.de>

models/book.go

@@ -22,9 +22,9 @@ func (Book) TableName() string{
 }
 
 func GetBookById(ID string) (book Book, err error)  {
+	// Get the Book
 	_, err = x.ID(ID).Get(&book)
 
-
 	// Get publisher
 	publisher := Publisher{ID: book.Publisher}
 	_, err = x.Get(&publisher)

models/books_list.go

@@ -2,9 +2,16 @@ package models
 
 import "fmt"
 
+type BookPublisher struct {
+	Book `xorm:"extends"`
+	Publisher `xorm:"extends"`
+}
+
 func ListBooks() (books []*Book, err error) {
 
-	err = x.Find(&books)
+	err = x.Table("books").
+	//Join("INNER", "publishers", "books.publisher = publishers.id").
+	Find(&books)
 	if err != nil {
 		fmt.Println("Error getting Books", err)
 	}