fix: shopping list ingredient UUID parsing for prices/aisles; feat: interactive checkboxes with localStorage persistence

README.md

@@ -14,7 +14,7 @@ This project was born out of frustration with meal kit services (Blue Apron →
 
 - **Grocery Integration**: Scrapes Lucky California weekly ads and sales
 - **Family Approval Workflow**: Email proposals with approve/deny; one denial swaps the meal
-- **Shopping List Generation**: Weekly list grouped by store aisles, highlighting sales
+- **Shopping List Generation**: Weekly list grouped by store aisles, highlighting sales, with interactive checkboxes to track purchased items
 - **Pantry Integration**: Specify home items to incorporate into suggestions
 - **Web UI**: Modern interface for the whole family
 - **Learning**: Feedback-based meal recommendations

backend/app/api/shopping_list.py

@@ -10,10 +10,20 @@ from app.schemas import ShoppingListResponse, ShoppingListItem
 from datetime import date
 from typing import List
 from collections import defaultdict
+from uuid import UUID
 
 router = APIRouter()
 
 
+def _parse_uuid(value):
+    if not value:
+        return None
+    try:
+        return UUID(value) if isinstance(value, str) else value
+    except ValueError:
+        return None
+
+
 @router.get("", response_model=ShoppingListResponse)
 def get_shopping_list(db: Session = Depends(get_db)):
     profile = db.query(FamilyProfile).first()
@@ -51,8 +61,9 @@ def get_shopping_list(db: Session = Depends(get_db)):
         recipe = db.query(Recipe).filter(Recipe.id == item.recipe_id).first()
         if recipe and recipe.ingredients:
             for ing in recipe.ingredients:
-                if ing.get('ingredient_id'):
-                    all_ingredient_ids.add(ing['ingredient_id'])
+                ing_id = _parse_uuid(ing.get('ingredient_id'))
+                if ing_id:
+                    all_ingredient_ids.add(ing_id)
 
     if all_ingredient_ids:
         ingredients = db.query(Ingredient).filter(
@@ -71,19 +82,14 @@ def get_shopping_list(db: Session = Depends(get_db)):
 
     aggregated = defaultdict(lambda: {"quantity": 0.0, "unit": None, "name": ""})
 
-    # Build ingredient name lookup from IDs
-    ingredient_names = {}
-    if all_ingredient_ids:
-        ingredient_names = {str(i.id): i.name for i in ingredients}
-
     for plan_item in current_plan.items:
         recipe = db.query(Recipe).filter(Recipe.id == plan_item.recipe_id).first()
         if recipe and recipe.ingredients:
             for ing in recipe.ingredients:
-                ing_id = ing.get('ingredient_id')
+                ing_id = _parse_uuid(ing.get('ingredient_id'))
                 name = ing.get('name')
-                if not name and ing_id:
-                    name = ingredient_names.get(str(ing_id))
+                if not name and ing_id and ing_id in ingredient_map:
+                    name = ingredient_map[ing_id].name
                 if not name:
                     name = 'Unknown'
                 quantity = ing.get('quantity', 1.0) or 1.0
@@ -104,7 +110,7 @@ def get_shopping_list(db: Session = Depends(get_db)):
         in_pantry = ingredient_id and ingredient_id in pantry_items
 
         ing_obj = ingredient_map.get(ingredient_id) if ingredient_id else None
-        price = ing_obj.typical_price if ing_obj else None
+        price = float(ing_obj.typical_price) if ing_obj and ing_obj.typical_price is not None else None
 
         sale_price = None
         is_on_sale = False

frontend/src/pages/ShoppingList.tsx

@@ -1,5 +1,6 @@
+import { useState, useEffect } from 'react'
 import { useQuery } from '@tanstack/react-query'
-import { Printer, ShoppingCart, Package, Tag, Receipt } from 'lucide-react'
+import { Printer, ShoppingCart, Package, Tag, Receipt, RotateCcw } from 'lucide-react'
 import { mealPlannerApi } from '../api'
 import type { ShoppingList } from '../types'
 import { Button } from '../components/ui/Button'
@@ -40,12 +41,61 @@ function SkeletonCard() {
   )
 }
 
+function storageKey(week: string) {
+  return `shopping-list-checked-${week}`
+}
+
 export default function ShoppingListPage() {
   const { data: shoppingList, isLoading } = useQuery<ShoppingList>({
     queryKey: ['shoppingList'],
     queryFn: () => mealPlannerApi.shoppingList.get().then(r => r.data),
   })
 
+  const week = shoppingList?.week_start_date || ''
+  const [checked, setChecked] = useState<Set<string>>(new Set())
+
+  useEffect(() => {
+    if (!week) return
+    try {
+      const raw = localStorage.getItem(storageKey(week))
+      if (raw) {
+        const parsed = JSON.parse(raw) as string[]
+        setChecked(new Set(parsed))
+      } else {
+        setChecked(new Set())
+      }
+    } catch {
+      setChecked(new Set())
+    }
+  }, [week])
+
+  useEffect(() => {
+    if (!week) return
+    localStorage.setItem(storageKey(week), JSON.stringify(Array.from(checked)))
+  }, [checked, week])
+
+  const toggle = (id: string) => {
+    setChecked(prev => {
+      const next = new Set(prev)
+      if (next.has(id)) next.delete(id)
+      else next.add(id)
+      return next
+    })
+  }
+
+  const clearAll = () => setChecked(new Set())
+
+  const progress =
+    shoppingList && shoppingList.items.length > 0
+      ? Math.round(
+          (Array.from(checked).filter(id =>
+            shoppingList.items.some(i => i.ingredient_id === id)
+          ).length /
+            shoppingList.items.length) *
+            100
+        )
+      : 0
+
   if (isLoading) {
     return <ShoppingListSkeleton />
   }
@@ -85,10 +135,25 @@ export default function ShoppingListPage() {
             </p>
           </div>
         </div>
+        <div className="flex items-center gap-3">
+          {progress > 0 && (
+            <span className="text-sm text-surface-500">{progress}% complete</span>
+          )}
+          {checked.size > 0 && (
+            <Button
+              variant="ghost"
+              size="sm"
+              icon={<RotateCcw className="w-4 h-4" />}
+              onClick={clearAll}
+            >
+              Reset
+            </Button>
+          )}
           <Button variant="secondary" icon={<Printer className="w-4 h-4" />} onClick={() => window.print()}>
             Print List
           </Button>
         </div>
+      </div>
 
       {/* Summary Stats */}
       <div className="grid grid-cols-1 sm:grid-cols-3 gap-4">
@@ -146,15 +211,24 @@ export default function ShoppingListPage() {
               <Badge variant="neutral">{items.length} items</Badge>
             </div>
             <ul className="divide-y divide-surface-200">
-              {items.map((item, idx) => (
+              {items.map((item, idx) => {
+                const isChecked = item.ingredient_id ? checked.has(item.ingredient_id) : false
+                return (
                   <li
                     key={idx}
-                  className="px-5 py-3.5 flex items-center justify-between hover:bg-surface-50 transition-colors"
+                    className={`px-5 py-3.5 flex items-center justify-between hover:bg-surface-50 transition-colors ${isChecked ? 'opacity-60' : ''}`}
                   >
                     <div className="flex items-center gap-3">
-                    <div className="w-5 h-5 rounded border-2 border-surface-300 flex-shrink-0" />
+                      <input
+                        type="checkbox"
+                        className="w-5 h-5 rounded border-2 border-surface-300 text-primary-600 focus:ring-primary-500 cursor-pointer flex-shrink-0"
+                        checked={isChecked}
+                        onChange={() => item.ingredient_id && toggle(item.ingredient_id)}
+                      />
                       <div>
-                      <span className="text-sm font-medium text-surface-900">{item.name}</span>
+                        <span className={`text-sm font-medium text-surface-900 ${isChecked ? 'line-through text-surface-400' : ''}`}>
+                          {item.name}
+                        </span>
                         <div className="flex gap-1.5 mt-0.5">
                           {item.in_pantry && <Badge variant="success">In Pantry</Badge>}
                           {item.is_on_sale && <Badge variant="danger">SALE</Badge>}
@@ -163,13 +237,13 @@ export default function ShoppingListPage() {
                     </div>
                     <div className="text-right flex items-center gap-3">
                       {item.quantity && (
-                      <span className="text-sm text-surface-500">
+                        <span className={`text-sm text-surface-500 ${isChecked ? 'line-through' : ''}`}>
                           {item.quantity} {item.unit || ''}
                         </span>
                       )}
                       {item.sale_price ? (
                         <div className="flex flex-col items-end">
-                        <span className="text-sm font-semibold text-danger-600">${item.sale_price.toFixed(2)}</span>
+                          <span className={`text-sm font-semibold text-danger-600 ${isChecked ? 'line-through' : ''}`}>${item.sale_price.toFixed(2)}</span>
                           {item.estimated_price && item.estimated_price > item.sale_price && (
                             <span className="text-xs text-surface-400 line-through">
                               ${item.estimated_price.toFixed(2)}
@@ -177,13 +251,14 @@ export default function ShoppingListPage() {
                           )}
                         </div>
                       ) : item.estimated_price ? (
-                      <span className="text-sm font-medium text-surface-700">
+                        <span className={`text-sm font-medium text-surface-700 ${isChecked ? 'line-through' : ''}`}>
                           ${item.estimated_price.toFixed(2)}
                         </span>
                       ) : null}
                     </div>
                   </li>
-              ))}
+                )
+              })}
             </ul>
           </Card>
         ))}