def initial(self):
u = User("Sasha", "Chepurnoi", 20)
u2 = User("Erik", "Gimiranov", 18)
u3 = User("Dima", "Lysogor", 27)
p = Product("Bread", 1000)
p2 = Product("Water", 4000)
p3 = Product("Chocolate", 500)
d = Department("Food store 1", "Street 1")
d2 = Department("Food store 2", "Street 2")
d3 = Department("Food store 3", "Street 3")
self.users.insert(u.mongify())
self.users.insert(u2.mongify())
self.users.insert(u3.mongify())
self.products.insert(p.mongify())
self.products.insert(p2.mongify())
self.products.insert(p3.mongify())
self.departments.insert(d.mongify())
self.departments.insert(d2.mongify())
self.departments.insert(d3.mongify())
