database

func DeleteAuthor(id int) error

func DeleteBook(id int) error

func DeleteBookTransaction(id int) error

func DeleteCategory(id int) error

func DeletePublisher(id int) error

func DeleteUser(id int) error

func FetchAuthor() ([]model.Author, error)

func FetchBook() ([]model.Book, error)

func FetchCategory() ([]model.Category, error)

func FetchPublisher() ([]model.Publisher, error)

func FetchTransaction() ([]model.Transaction, error)

func FetchUser() ([]model.User, error)

func GetByEmailUser(email string) (model.User, error)

func GetByIDAuthor(id int) (model.Author, error)

func GetByIDBook(id int) (model.Book, error)

func GetByIDCategory(id int) (model.Category, error)

func GetByIDPublisher(id int) (model.Publisher, error)

func GetByIDTransaction(id int) (model.Transaction, error)

func GetByIDUser(id int) (model.User, error)

func GetByNameAuthor(name string) (model.Author, error)

func GetByNameCategory(name string) (model.Category, error)

func GetByNamePublisher(name string) (model.Publisher, error)

func GetByTitleBook(title string) (model.Book, error)

func GetByTransactionIDBookTransaction(transactionID int) ([]model.BookTransaction, error)

func LoginUser(user *model.User) (*model.User, error)

func SortByColumnBook(column string, order int) ([]model.Book, error)

func StoreAuthor(author model.Author) (model.Author, error)

func StoreBook(book model.Book) (model.Book, error)

func StoreBookAuthor(bookAuthor model.BookAuthor) error

func StoreBookTransaction(bookTransaction model.BookTransaction) error

func StoreCategory(category model.Category) (model.Category, error)

func StorePublisher(publisher model.Publisher) (model.Publisher, error)

func StoreTransaction(transaction model.Transaction) (int, error)

func StoreUser(user model.User) error

func UpdateAuthor(author model.Author, id int) error

func UpdateBook(book model.Book, id int) error

func UpdateBookTransaction(bookTransaction model.BookTransaction, id int) error

func UpdateCategory(category model.Category, id int) error

func UpdatePublisher(publisher model.Publisher, id int) error

func UpdateTransaction(transaction model.Transaction, id int) error

func UpdateUser(user model.User, id int) error