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Update Inventory from Shopping List

As a Host, I want to automatically update my inventory when I complete shopping, So that my inventory reflects the new products I purchased.

Acceptance Criteria

Given I have completed shopping and checked off all items
When I mark the shopping list as complete
Then the system prompts me to update inventory
And for each checked item, the system:
- Adds new products to inventory (if they don’t exist)
- Updates quantities for existing products
- Sets product levels to “full” for new purchases
And I can review and adjust the inventory updates before confirming

Implementation Status

✅ IMPLEMENTED (January 2026)

Implementation Details

Files:

shaker/app/(tabs)/inventory/shopping/index.tsx - Inventory update on check-off
shaker/components/ProductSelectionModal.tsx - Product selection with inventory update
shaker/data/products/index.ts - updateProductLevel, addPriceHistoryEntry functions

Features:

✅ Automatic inventory update when checking off items with product selection
✅ Product level set to “full” for new purchases
✅ Price history entry when actual cost is provided
✅ Product selection modal for linking purchased products
⏳ Bulk update on list completion (current implementation is item-by-item)

Implementation:

When checking off an item with an ingredient, ProductSelectionModal is shown
User selects the product they purchased
Product level is automatically updated to full
If actual cost is entered, it’s added to price history
Update happens immediately when item is checked off (no separate “complete shopping” action needed)

Current Behavior:

Updates happen item-by-item as you check off items
Each check-off with product selection immediately updates inventory
No separate “mark shopping list as complete” step

Future Enhancement:

Add “Complete Shopping” action that bulk updates all checked items
Review screen before confirming bulk updates
Option to add new products to inventory automatically

Priority

High - Maintains inventory accuracy

ShoppingList, ShoppingListItem, Inventory, Product

UpdateInventoryAfterShopping (C51)