Integrate users and books

- new table userbook linking users and book
- moved rating to users book
- updated demo data and tests
- updated front to hide routes from non connected users

internal/api/routes.go

@@ -13,10 +13,14 @@ import (
 	"gorm.io/gorm"
 )
 
-func GetBooksHanderl(c *gin.Context, db *gorm.DB) {
-	var books []model.Book
-	db.Model(&model.Book{}).Find(&books)
-	c.JSON(http.StatusOK, books)
+func GetMyBooksHanderl(c *gin.Context, db *gorm.DB) {
+	var userbooks []model.UserBook
+	db.Preload("Book").Find(&userbooks)
+	var booksDto []bookUserGet
+	for _, userbook := range userbooks {
+		booksDto = append(booksDto, fromUserBookDb(&userbook))
+	}
+	c.JSON(http.StatusOK, booksDto)
 }
 
 func PostBookHandler(c *gin.Context, db *gorm.DB) {