Requirements

Requirements are organized by functionality, with sub-numbering used to further specify user capability. Each requirement also has a priority level:

1. The user can browse products in the app. 🌱

1.1. The user can view the product's name. 🌱
1.2. The user can view the product's price. 🌱
1.3. The user can view the product's description. 🌿
1.4. The user can see that a product is on sale. 🌿
- 1.4.1. The user can see the sales price compared to the original price. 🌿
1.5. The user can view the stock of a product: high, low, and temporarily unavailable. 🌿
1.6. The user can specify the number of products to view at one time. 🌿
1.7. The user can view what a product looks like. 🌻
1.8. The user can review a sales page that highlights products on sale. 🌻
1.9. The user can navigate to a product's information screen. 🌱
- 1.9.1. The user can view related products as suggestions. 🌻
1.10. The user can add a product to a favorites list. 🌻

2.1. The user can add products to the cart. 🌱
2.2. The user can remove products from the cart. 🌱
2.3. The user can view products in the cart. 🌱
2.4. The user can view the total price of all products in the cart. 🌱
2.5. The user can checkout products in the cart. 🌱
- 2.5.1. The user can choose to have products delivered or available for pick-up. 🌱
  - 2.5.1a. The user can input the delivery address. 🌱
  - 2.5.1b. The user can check the estimated delivery time. 🌱
  - 2.5.1c. The user can be warned if a delivery will be postponed to the next available day if a store is closed. 🌿
- 2.5.2. The user can input billing information. 🌱
2.6. The user can have their cart contents saved locally. 🌿
2.7. The user can receive a warning from any unavailable products in their cart during checkout. 🌿

5.1. The user can filter products by product categories (e.g. dairy, beverages, etc.). 🌿
5.2. The user can filter products by if they are on sale. 🌿
5.3. The user can filter products by if they are in stock. 🌿
5.4. The user can filter products by countries of origin. 🌿
5.5. The user can filter products by whether they are favorited. 🌻

6.1. The user can view a store's hours of operation. 🌱
6.2. The user can specify their location to find stores based on location proximity. 🌻

7.1. The user can rely on a screen reader to help navigate through the application. 🌱
7.1. The user can rely on Apple's native accessibility apps to use the application. 🌻

9.1. The user can create an account for the application. 🌿
- 9.1.1. The user can use their email and password for account creation. 🌿
  - 9.1.1a. The user can have a password at least 8 characters long, with at least one of each of the following: an uppercase letter, a lowercase letter, a number, and a non-alphabetic character. 🌿
9.2. The user can login to their account using their email and password. 🌿
9.3. The user can login to the application via the account they created. 🌿
9.4. The user can view the shopping history associated with their account. 🌿
9.5. The user can view favorited products associated with their account. 🌻

10.1. The user can give permissions for the application to access their device's current location. 🌻
10.2. The user can reset their password via email notification through the settings screen. 🌻
10.3. The user can clear their shopping history through the settings screen. 🌿

12.1. The user can receive information about a scanned product if that product's information is available. 🌻
12.2. The user can receive guiding assistance for scanning bar codes. 🌻
- 12.2.1. The user can feel increasing vibrations when the barcode gets closer to the center of the camera. 🌻
- 12.2.2. The user can hear guide tones when the barcode gets closer to the center of the camera. 🌻
12.3. The user can apply a high contrast filter to the camera feed. 🌻