def prepare_veg_meal(self):
"""Make vegetarian meal builder method
Returns:
vegetarian meal
"""
vmeal = Meal()
vmeal.add_item(VegBurger())
vmeal.add_item(Pepsi())
print "vegetarian meal created"
return vmeal
def prepare_non_veg_meal(self):
"""Make non-vegetarian meal builder
Returns:
non-vegetarian meal
"""
nvmeal = Meal()
nvmeal.add_item(ChickenBurger())
nvmeal.add_item(Coke())
print "non-vegetarian meal created"
return nvmeal
"""
Building a complex product from many simple sub-component by common way or choosing any component which you want to.
ref: https://www.tutorialspoint.com/design_pattern/builder_pattern.htm
"""
from meal_builder import MealBuilder
from meal import Meal
from burger import ChickenBurger, VegBurger
from drink import Pepsi, Coke
if __name__ == "__main__":
combo = MealBuilder()
print("===Combo 1===")
combo_1 = combo.prepare_non_veg_meal()
combo_1.show_items()
print("Total cost: ", combo_1.get_cost())
print("===Combo 2===")
combo_2 = combo.prepare_combo_burger()
combo_2.show_items()
print("Total cost: ", combo_2.get_cost())
print("===Ordering by customer===")
ordering = Meal()
ordering.add_item(ChickenBurger())
ordering.add_item(VegBurger())
ordering.add_item(Pepsi())
ordering.add_item(Pepsi())
ordering.show_items()
print("Total cost: ", ordering.get_cost())