1. Cart on Page Inventory & Availability Flows based on rules listed in above branch
1.1. On Page Load OR Store Change OR Fulfillment Option Change OR Quantity Update while on Cart (Note;
1.1.1. Product is Sellable Online
1.1.1.1. Pick-Up In-Store (Store must be selected)
1.1.1.1.1. Get it Today Only consider this option when: Store is Selected AND Current Time + Store Fulfillment SLA < Store Closing Hour
1.1.1.1.2. Pick-Up In-Store (Store must be selected)
1.1.1.2. Ship to Home
1.1.1.2.1. In Stock In Store (CTR specific flow, not for West; since stores that ship orders may have different shipping ETAs. West is assumed to use standard ETAs even if shipped by DC or store)
1.1.1.2.2. Out of Stock In Store
1.1.1.3. There's a use case to limit purchase-able quantity irrespective of quantity in-stock in store or quantity in-stock in DC (i.e. Toilet Paper for COVID)
1.1.2. Product is Not-Sellable Online but Accessible from Site Rate edge case, if product that was sellable was added to Cart and then it turned non-sellable
1.1.2.1. Display messaging that item sales has been stopped due to restriction. CTA displayed for customer to remove item from Cart (Note: Design to explore best subtle experience for this)
1.1.2.1.1. Display Alt Product Recommendations from Certona (both sellable and availability if feasible) Design Note: Consider how to make it clear to the user that the product recommendations are related to the product that they are unable to purchase.
1.1.3. Max quantity a customer can enter is 99 (if the available qty is greater than that)
1.2. Checkout / Express Checkout Button Click
1.2.1. If ALL products & corresponding quantities are Purchase-able (Based on Available to Sell Check that checks both In-Store and/or DC Inventory based on fulfillment methods selected & quantities selected)
1.2.1.1. Proceed to Checkout page (if Checkout button was clicked) OR 3rd Party Payment Modal/Page (if Express Checkout button)
1.2.2. If ANY product & corresponding quantity is not Purchase-able (Based on Available to Sell Check that checks both In-Store and/or DC Inventory based on fulfillment methods selected & quantities selected)
1.2.2.1. Display messaging that one or more items within the cart may no longer be available for purchase. Refresh the Cart, which in-turn would trigger the On Page Load I&A flows covered above Design Note: Smooth-scroll use back to the first error message that they need to correct within the cart
1.2.3. Design consideration: If Checkout/Express Checkout Button is enabled irrespective if errors in cart (Not applicable if buttons are disabled until all errors are resolved)
1.2.3.1. Display messaging that one or more errors within the cart need to be addressed before they can proceed. Design Note: Smooth-scroll use back to the first error message that they need to correct within the cart
2. Cart Level Product Sell-ability Rules, Display Requirements & Applicable I&A Flows from the ones listed in below branch
2.1. Sellable Online
2.1.1. Both Ship to Home & Pick-Up In-Store Eligible Products
2.1.1.1. Display in Cart
2.1.1.1.1. Pick-Up In-Store flow is applicable
2.1.1.1.2. Ship to Home flow is applicable
2.1.2. Ship to Home Only Products
2.1.2.1. Display in Cart
2.1.2.1.1. Pick-Up In-Store flow is not applicable
2.1.2.1.2. Ship to Home flow is applicable
2.1.3. Pick-Up In-Store Only Products (i.e. Batteries, Tires)
2.1.3.1. Display in Cart
2.1.3.1.1. Pick-Up In-Store flow is applicable
2.1.3.1.2. Ship to Home flow is not applicable
2.2. Not-Sellable Online
2.2.1. Cannot proceed to purchase (Item will have to be removed from cart, if added prior to it becoming non-sellable)
3. Checkout on Page Inventory & Availability Flows based on rules listed in above branch
3.1. Complete Order Button Click
3.1.1. If ALL products & corresponding quantities in the order are Purchase-able (Based on Available to Sell Check that checks both In-Store and/or DC Inventory based on fulfillment methods selected & quantities selected)
3.1.1.1. Non-Expiring Soft Reserve placed on all Ordered Items Proceed to Order Confirmation Page
3.1.2. If ANY product & corresponding quantity is not Purchase-able from the order (Based on Available to Sell Check that checks both In-Store and/or DC Inventory based on fulfillment methods selected & quantities selected)
3.1.2.1. Display messaging that one or more items within the cart may no longer be available for purchase. Navigate back to Cart, which in-turn would trigger the On Page Load I&A flows covered above