def find_substitute(self):
"""
This method is the client for the application
"""
# Ask the user to choose a category
menu_title = 'Choisissez une catégorie'
answers_title = 'Sélectionnez une catégorie (numéro)'
answers = API_CATEGORIES
category = SelectionMenu(menu_title, answers_title, answers)
# Ask user to choose a product to substitute
to_substitute = None
while not to_substitute:
# Display available products in the chossen category
available_products = self.database.select_products(
category.selected, NUMBER_OF_PRODUCTS,
DISCRIMINANT_NUTRISCORE_GRADE)
available_products.append('Afficher d\'autres produits au hasard')
menu_title = 'Choisissez un produit à subsituer'
answers_title = 'Sélectionnez un produit (numéro)'
answers = available_products
product = SelectionMenu(menu_title, answers_title, answers)
if product.selected != 'Afficher d\'autres produits au hasard':
to_substitute = Product(
**self.database.select_product(product.selected))
# Select in the database the potential substitutes for to the selected
# product
available_substitutes = self.database.select_substitutes(
to_substitute, NUMBER_OF_SIMILAR_CATEGORIES, NUMBER_OF_SUBSTITUTES)
if available_substitutes:
# Ask the user to choose a substitute
menu_title = 'Choisissez un substitut'
answers_title = 'Sélectionner un substitut (numéro)'
answers = available_substitutes
substitute = SelectionMenu(menu_title, answers_title, answers)
substituted = Product(
**self.database.select_product(substitute.selected))
substituted.display()
else:
print('Nous n\'avons pas de substitut à vous proposer.')
substituted = None
if substituted:
# Ask the user if she·he wants to save the product
menu_title = 'Souhaitez-vous sauvegarder le produit ?'
answers_title = 'Sélectionnez une réponse (numéro)'
answers = ['Oui', 'Non']
save = SelectionMenu(menu_title, answers_title, answers)
if save.selected == 'Oui':
self.database.save_product(to_substitute, substituted)
def find_saved(self):
"""
This method display the products already saved by the user
"""
# Get all products saved in the database
saved_products = self.database.select_saved_products()
if saved_products:
# Ask the user which product she·he wants to read
menu_title = 'Quel substitut souhaitez-vous consulter ?'
answers_title = 'Sélectionnez le substitut (numéro)'
answers = saved_products
substituted = SelectionMenu(menu_title, answers_title, answers)
else:
print('Aucun substitut n\'a était sauvegardé pour l\'instant')
substituted = None
if substituted:
# Display the selected subsitute
product = Product(
**self.database.select_product(substituted.selected))
product.display()