def givBook(self):
postgres = Postgres()
item = self.BooksTable.table.selection()
massivofbooks = self.BooksTable.table.item(item)['values']
id_book = massivofbooks[0]
item = self.table.selection()
massiv = self.table.item(item)['values']
id_reader = massiv[0]
if postgres.bookOnHand(id_reader, id_book):
mb.showerror(parent=self,
message="Эта книга уже есть у пользователя")
else:
if massivofbooks[-1] == 'Печатная':
postgres.givPaperBook(id_reader, id_book)
else:
postgres.givElectroBook(id_reader, id_book)
self.updateBooksWin()
