Method update

pkg/server/controllers/books.go:186–222

(r *http.Request)

}

func (b *Books) update(r *http.Request) (database.Book, error) {
	user := context.User(r.Context())
	if user == nil {
		return database.Book{}, app.ErrLoginRequired
	}

	vars := mux.Vars(r)
	uuid := vars["bookUUID"]

	if !helpers.ValidateUUID(uuid) {
		return database.Book{}, app.ErrInvalidUUID
	}

	tx := b.app.DB.Begin()

	var book database.Book
	if err := tx.Where("user_id = ? AND uuid = ?", user.ID, uuid).First(&book).Error; err != nil {
		tx.Rollback()
		return database.Book{}, pkgErrors.Wrap(err, "finding book")
	}

	var params updateBookPayload
	if err := parseRequestData(r, &params); err != nil {
		tx.Rollback()
		return database.Book{}, pkgErrors.Wrap(err, "decoding payload")
	}

	book, err := b.app.UpdateBook(tx, *user, book, params.Name)
	if err != nil {
		tx.Rollback()
		return database.Book{}, pkgErrors.Wrap(err, "updating a book")
	}

	tx.Commit()

	return book, nil
}

// V3Update updates a book
func (b *Books) V3Update(w http.ResponseWriter, r *http.Request) {