[Sync Iteration] python/mecha-munch-management/1

solutions/python/mecha-munch-management/1/dict_methods.py

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+"""Functions to manage a users shopping cart items."""
+
+
+def add_item(current_cart, items_to_add):
+    """Add items to shopping cart.
+
+    :param current_cart: dict - the current shopping cart.
+    :param items_to_add: iterable - items to add to the cart.
+    :return: dict - the updated user cart dictionary.
+    """
+
+    for item in items_to_add:
+        current_cart[item] = current_cart.get(item, 0) + 1
+    return current_cart
+
+
+def read_notes(notes):
+    """Create user cart from an iterable notes entry.
+
+    :param notes: iterable of items to add to cart.
+    :return: dict - a user shopping cart dictionary.
+    """
+
+    shopping_list = {}
+    for item in notes:
+        if item in shopping_list:
+            continue   
+        shopping_list[item] = 1
+    return shopping_list
+
+
+def update_recipes(ideas, recipe_updates):
+    """Update the recipe ideas dictionary.
+
+    :param ideas: dict - The "recipe ideas" dict.
+    :param recipe_updates: iterable -  with updates for the ideas section.
+    :return: dict - updated "recipe ideas" dict.
+    """
+
+    ideas.update(recipe_updates)
+    return ideas
+
+
+def sort_entries(cart):
+    """Sort a users shopping cart in alphabetical order.
+
+    :param cart: dict - a users shopping cart dictionary.
+    :return: dict - users shopping cart sorted in alphabetical order.
+    """
+
+    sorted_cart = dict(sorted(cart.items()))
+    return sorted_cart
+
+
+def send_to_store(cart, aisle_mapping):
+    """Combine users order to aisle and refrigeration information.
+
+    :param cart: dict - users shopping cart dictionary.
+    :param aisle_mapping: dict - aisle and refrigeration information dictionary.
+    :return: dict - fulfillment dictionary ready to send to store.
+    """
+
+    full_info = {}
+    sorted_cart = dict(sorted(cart.items(), reverse=True))
+    sorted_mapping = dict(sorted(aisle_mapping.items(), reverse=True))
+    for item, amount in sorted_cart.items():
+        full_info[item] = [amount, aisle_mapping.get(item)[0], aisle_mapping.get(item)[1]]
+    return full_info
+
+
+def update_store_inventory(fulfillment_cart, store_inventory):
+    """Update store inventory levels with user order.
+
+    :param fulfillment cart: dict - fulfillment cart to send to store.
+    :param store_inventory: dict - store available inventory
+    :return: dict - store_inventory updated.
+    """
+
+    for item, info in fulfillment_cart.items():
+        if store_inventory[item][0] < info[0]:
+            store_inventory[item][0] = "Out of Stock"
+        store_inventory[item][0] -= info[0]
+        if store_inventory[item][0] == 0:
+            store_inventory[item][0] = "Out of Stock"
+    return store_inventory