src/components/shopping/CurrentShoppingListPage.vue

@@ -5,19 +5,19 @@
     <meal-selection-list @meal-selected="mealSelected" @meal-unselected="mealUnselected" :checked="includedMeals" :meals="availableMeals" />
     
     <ul class="full-shopping-list">
-        <li v-for="item in productGroupsToPurchase" :key="item.id" class="selectable" :class="{ 'selected': isSelected(item) }" @click="toggleSelect(item)">
-            <shopping-list-item :productGrouping="item" />
+        <li v-for="group in outstandingItemGroups" :key="group.id" class="selectable" :class="{ 'selected': isSelected(group) }" @click="toggleSelect(group)">
+            <shopping-list-item :shopping-list-item-group="group" />
         </li>
     </ul>
 
-    <div v-if="productGroupsToPurchase.length === 0">
+    <div v-if="outstandingItemGroups.length === 0">
         <p>
             No items to purchase
         </p>
     </div>
 
     <div class="purchased-slider">
-        <span v-if="purchasedGroups.length === 0"></span>
+        <span v-if="purchasedItemGroups.length === 0"></span>
         <button v-else-if="showPurchased" @click="showPurchased=false" >⏶ Hide Purchased ⏶</button>
         <button v-else @click="showPurchased=true">⏷ Show Purchased ⏷</button>
 
@@ -29,8 +29,8 @@
                 Purchased Items
             </h4>
             <ul class="full-shopping-list">
-                <li v-for="item in purchasedGroups" :key="item.id">
-                    <shopping-list-item :productGrouping="item" />
+                <li v-for="item in purchasedItemGroups" :key="item.id">
+                    <shopping-list-item :shopping-list-item-group="item" />
                 </li>
             </ul>
         </div>
@@ -138,19 +138,19 @@ button img {
 import alert from '@/alert.js'
 
 import data from '@/data.js'
-import { toProductsModel, } from './shopping.js'
+import { itemsToGroups, groupsToItems } from './shopping.js'
 
 import MealSelectionList from './MealSelectionList.vue'
 import ShoppingListItem from './ShoppingListItem.vue'
 
-async function saveShoppingList(productGroupsPurchased) {
-    const results = productGroupsPurchased.map(item => item.requested.map(r => ({
-        ingredient_id: r.ingredient.id,
-        person_id: r.person_id,
-        list_id: null,
-    }))).flat();
+async function saveShoppingList(outstandingItemGroups) {
+    const items = groupsToItems(outstandingItemGroups);
+    if (items.length === 0) {
+        alert.show({ type: 'error', message: 'No items selected.' });
+        return;
+    }
 
-    return await data.purchaseItems(results);
+    return await data.purchaseItems(items);
 }
 
 export default {
@@ -169,54 +169,50 @@ export default {
         const to = new Date();
         to.setDate(to.getDate() + 7);
 
-        return { from, to, availableMeals: [], purchasedMeals: [], shoppingList: null, includedMeals: [], productGroupsToPurchase: [], purchasedGroups: [], selected: [], showPurchased: false }
+        return { from, to, shoppingList: null, includedMeals: [], selected: [], showPurchased: false }
     },
     async beforeMount() {
         this.loadData();
     },
-    watch: {
-        shoppingList: {
-            handler: 'updateLists',
-            deep: true
+    computed: {
+        outstandingItemGroups() {
+            return itemsToGroups(this.shoppingList?.outstanding_items ?? []);
         },
+        purchasedItemGroups() {
+            return itemsToGroups(this.shoppingList?.purchased_items ?? []);
+        },
+        purchasedMeals() {
+            return Object.values(this.shoppingList?.meals_lookup ?? {}).filter(m => m.purchase_date).sort((a, b) => a.suggested_date - b.suggested_date);
+        },
+        availableMeals() {
+            const meals = { ...this.shoppingList?.meals_lookup ?? {} };
+            this.upcomingMeals?.forEach(m => {
+                if (!meals[m.id]) {
+                    meals[m.id] = m;
+                }
+            });
+
+            return Object.values(meals).filter(m => !m.purchase_date).sort((a, b) => a.suggested_date - b.suggested_date);
+        }
     },
     methods: {
         async loadData() {
+            this.upcomingMeals = await data.getUpcomingMeals(this.from, this.to);
             this.shoppingList = await data.getCurrentShoppingList();
-
-            const upcomingMeals = await data.getUpcomingMeals(this.from, this.to);
-            const requestedMeals = this.shoppingList.requests.map(r => r.meal).filter(m => m);
-
-            const meals = {};
-            requestedMeals.forEach(m => meals[m.id] = m);
-            upcomingMeals.forEach(m => meals[m.id] = m);
-
-            this.purchasedMeals = Object.values(meals).filter(m => m.purchase_date);
-            this.availableMeals = Object.values(meals).filter(m => !m.purchase_date);
-        },
-        async updateLists() {
-            if (!this.shoppingList)
-                return;
-
-            this.includedMeals = this.shoppingList.requests.map(r => r.meal).filter(m => m);
-
-            const productGroups = Object.values(toProductsModel(this.shoppingList));
-            this.productGroupsToPurchase = productGroups.filter(m => m.requested.length > 0);
-            this.purchasedGroups = productGroups.filter(m => m.requested.length === 0);
         },
         async mealSelected(meal) {
-            const request = await data.requestMeal(meal.id);
-            this.shoppingList.requests.push(request);
+            await data.requestMeal(meal.id);
+            await this.loadData();
         },
         async mealUnselected(meal) {
             await data.unrequestMeal(meal.id);
-            this.shoppingList.requests = this.shoppingList.requests.filter(r => r.meal?.id !== meal.id);
+            await this.loadData();
         },
         async markFound() {
             await saveShoppingList(this.selected);
             
             this.selected = [];
-            this.loadData();
+            await this.loadData();
         },
         async markPurchased() {
             const shoppingList = await saveShoppingList(this.selected);

src/components/shopping/PurchasedShoppingListPage.vue

@@ -32,7 +32,7 @@
 import { ago } from '@/dateformats.js'
 
 import data from '@/data.js'
-import { purchasedToProductModel } from './shopping.js'
+import { itemsToGroups } from './shopping.js'
 
 import MealSelectionList from './MealSelectionList.vue'
 import ShoppingListItem from './ShoppingListItem.vue'
@@ -52,8 +52,8 @@ export default {
     },
     async beforeMount() {
         this.shoppingList = await data.getShoppingList(this.id);
-        this.includedMeals = this.shoppingList.requests.map(r => r.meal).filter(m => m);
-        this.listByProduct = purchasedToProductModel(this.shoppingList);
+        this.includedMeals = Object.values(this.shoppingList.meal_lookup);
+        this.listByProduct = itemsToGroups(this.shoppingList);
     },
     methods: {
         ago

src/components/shopping/ShoppingListItem.vue

@@ -2,21 +2,24 @@
 
 <!-- Show a card of the product with the total, taking up the available space and have an expanding section to view sources -->
 <div class="shopping-list-item">
-    <img :src="`${ productGrouping.product?.img_small ?? require('@/assets/missing-product.svg') }`" class="product-image" />
+    <img :src="`${ shoppingListItemGroup.product?.img_small ?? require('@/assets/missing-product.svg') }`" class="product-image" />
     <div class="product-details">
         <h3 class="header">
-            <strong><a :href="productGrouping.product?.link">{{ productGrouping.product.name }}</a></strong>, 
+            <strong>
+                <a v-if="shoppingListItemGroup.product?.link" :href="shoppingListItemGroup.product?.link">{{ shoppingListItemGroup.product.name }}</a>
+                <span v-else>{{ shoppingListItemGroup.name }}</span>
+            </strong>, 
             <small>
-                <span v-for="(total, index) in remainingRequired" :key="total.id">
+                <span v-for="(total, index) in remainingRequiredTotals" :key="total.id">
                     <span v-if="index">, </span>
                     <span>{{ formatQuantity(total.quantity) }}&nbsp;{{ total.unit }}</span>
                 </span> 
-                <span class="found-marker partial" v-if="productGrouping.purchased.length > 0">✓ {{ getFriendlyDate(lastPurchased) }}</span>
+                <span class="found-marker partial" v-if="purchased.length > 0">✓ {{ getFriendlyDate(lastPurchased) }}</span>
             </small>
         </h3>
-        <p class="sources" v-if="productGrouping.requested.length > 0">
+        <p class="sources" v-if="required.length > 0">
             <strong>Need: </strong>
-            <span v-for="(source, index) in productGrouping.requested" :key="source.id">
+            <span v-for="(source, index) in required" :key="source.id">
                 <span v-if="index">, and </span>
                 <span v-if="source.person">
                     {{ formatQuantity(source.ingredient.quantity) }}&nbsp;{{ source.ingredient.unit }} for {{ source.person.name }}
@@ -31,9 +34,9 @@
                 </span>
             </span>
         </p>
-        <p v-if="productGrouping.purchased.length > 0">
+        <p v-if="purchased.length > 0">
             <strong>Already found or purchased: </strong>
-            <span v-for="(source, index) in productGrouping.purchased" :key="source.id">
+            <span v-for="(source, index) in purchased" :key="source.id">
                 <span v-if="index">, and </span>
                 <span v-if="source.person">
                     {{ formatQuantity(source.ingredient.quantity) }}&nbsp;{{ source.ingredient.unit }} for {{ source.person.name }}
@@ -113,23 +116,37 @@ import { calculateTotals } from '@/units.js';
 
 export default {
     name: 'ShoppingListItem',
-    props: ['productGrouping' ],
+    props: ['shoppingListItemGroup' ], // { product: { ... }, OR name: 'string', shoppingListItems: { person, ingredient, list_id?, meal? }} where list_id is null if not yet purchased
     data() {
         return {
             expanded: false,
         }
     },
     computed: {
-        remainingRequired() {
-            return calculateTotals(this.productGrouping.requested.map(r => r.ingredient));
+        remainingRequiredTotals() {
+            return calculateTotals(this.shoppingListItemGroup.shoppingListItems.map(item => item.ingredient));
         },
-        expectedExisting() {
-            return calculateTotals(this.productGrouping.purchased.map(r => r.ingredient));
+        expectedExistingTotals() {
+            const purchasedNotEaten = this.shoppingListItemGroup.shoppingListItems.filter(item => item.list_id && !(item?.meal?.consumed_date));
+
+            return calculateTotals(purchasedNotEaten.map(item => item.ingredient));
+        },
+        required() {
+            return this.shoppingListItemGroup.shoppingListItems.filter(item => !item.list_id);
+        },
+        purchased() {
+            return this.shoppingListItemGroup.shoppingListItems.filter(item => item.list_id);
         },
         lastPurchased() {
-            return this.productGrouping.purchased.reduce((latest, source) => {
-                return (source.shop.created_date && latest > source.shop.created_date) ? latest : source.shop.created_date;
-            }, new Date(0));
+            const purchasedItems = this.shoppingListItemGroup.shoppingListItems.filter(item => item.list_id);
+            if (purchasedItems.length === 0) {
+                return null;
+            }
+            // Find the most recently purchased item
+            return purchasedItems.reduce((latest, item) => {
+                const itemDate = item?.meal?.suggested_date || item?.created_at;
+                return (!latest || (itemDate && itemDate > latest)) ? itemDate : latest;
+            }, null);
         }
     },
     methods: {

src/components/shopping/shopping.js

@@ -1,158 +1,35 @@
-function scaleFactor(mealRecipe) {
-    const numRecipe = mealRecipe.recipe.serves;
-    const numRequested = mealRecipe.servings;
-
-    return numRequested / numRecipe;
+export function groupsToItems(groups) {
+    return groups.map(group => group.shoppingListItems).flat();
 }
 
-export function mealToShoppingListSources(meal) {
-    const sources = [];
-    for (const mealRecipe of meal.recipes) {
-        const scale = scaleFactor(mealRecipe);
-        for (const ingredient of mealRecipe.recipe.ingredients) {
-            const quantity = ingredient.quantity * scale;
-            sources.push({ meal, mealRecipe, recipe: mealRecipe.recipe, ingredient: { ...ingredient, quantity, }, });
-        }
-    }
-
-    for (const ingredient of meal.extra_ingredients) {
-        sources.push({ ingredient, meal, });
-    }
-
-    return sources;
-}
-
-var emptyProductId = -1;
-export function requestsToSources(requests) {
-    const sources = [];
-    for (const request of requests) {
-        if (request.ingredient) {
-            sources.push(request);
-        }
-        else if (request.meal) {
-            sources.push(...mealToShoppingListSources(request.meal));
-        }
-    }
-
-    for (const source of sources) {
-        if (!source.ingredient.product) {
-            source.ingredient.product = { id: emptyProductId--, name: source.ingredient.name, };
-        }
-    }
-
-    return sources;
-}
-
-function groupBy(groups, keyFn) {
-    const grouped = {};
-    for (const group of groups) {
-        const key = keyFn(group);
-        if (!grouped[key]) {
-            grouped[key] = [];
-        }
-
-        grouped[key].push(group);
-    }
-
-    return grouped;
-}
-
-function resultsToSources(shop) {
-    return shop.results.map(result => ({ shop, ingredient: { product: result.product, unit: result.unit, quantity: result.quantity, }, }));
-}
-
-function getOutstandingGroupedByMeal(currentShoppingList) {
-    // { meal_id: { purchased: [ sources, ], required: [ sources, ], }, }
-    const requestedMeals = groupBy(requestsToSources(currentShoppingList.requests), source => source.meal?.id);
-    for (const meal_id in requestedMeals) {
-        requestedMeals[meal_id] = { id: parseInt(meal_id), purchased: [], required: requestedMeals[meal_id], };
-    }
-
-    for (const shop of currentShoppingList.overlapping_previous_shops) {
-        const shopResults = groupBy(resultsToSources(shop), source => source.ingredient.product.id);
-        const purchasedSources = requestsToSources(shop.requests)
-            .filter(source => source.meal && requestedMeals[source.meal.id])
-            .filter(source => source.ingredient.product.id in shopResults);
-
-        for (const source of purchasedSources) {
-            requestedMeals[source.meal.id].purchased.push({ shop, ...source });
-            requestedMeals[source.meal.id].required = requestedMeals[source.meal.id].required.filter(required => required.ingredient.product.id !== source.ingredient.product.id);
-        }
-    }
-
-    return requestedMeals;
-}
-
-export function getCompletedRequests(currentShoppingList, results) {
-    const newShoppingList = { requests: currentShoppingList.requests, results };
-    const fakeCurrentShoppingList = { requests: currentShoppingList.requests, overlapping_previous_shops: [ newShoppingList, ...currentShoppingList.overlapping_previous_shops ], };
-    const requestedMealResults = Object.values(getOutstandingGroupedByMeal(fakeCurrentShoppingList));
-
-    const completedMeals = new Set(requestedMealResults.filter(mealGroup => mealGroup.required.length === 0).map(mealGroup => mealGroup.id));
-    const purchasedProducts = new Set(results.map(result => result.product.id));
-    const completedSources = currentShoppingList.requests.filter(request => {
-        if (request.meal) {
-            return completedMeals.has(request.meal.id);
-        }
-
-        return purchasedProducts.has(request.ingredient.product.id);
-    });
-
-    return sourcesToRequests(completedSources);
-}
-
-export function sourcesToRequests(sources) {
-    const uniqueMeals = sources.filter(source => source.meal)
-        .map(source => source.meal)
-        .reduce((acc, meal) => {
-            acc[meal.id] = { meal, meal_id: meal.id, };
-            return acc;
-        }, {});
-
-    const directIngredients = sources.filter(source => !source.meal);
-    return [ ...Object.values(uniqueMeals), ...directIngredients, ];
-}
-
-export function toProductsModel(currentShoppingList) {
-    const requestedMealResults = getOutstandingGroupedByMeal(currentShoppingList);
-    
-    // Transform into { product_id: { product, requested: [ sources, ], purchased: [ sources, ], }, }
-    const grouped = {};
-    for (const meal_id in requestedMealResults) {
-        for (const source of requestedMealResults[meal_id].required) {
-            if (!grouped[source.ingredient.product.id]) {
-                grouped[source.ingredient.product.id] = { product: source.ingredient.product, requested: [], purchased: [], };
+export function itemsToGroups(shoppingListItems) {
+    const ingredients_by_product_id = {};
+    const ingredients_by_name = {};
+    for (const item of shoppingListItems) {
+        if (item.ingredient.product) {
+            let group = ingredients_by_product_id[item.ingredient.product.id];
+            if (!group) {
+                group = ingredients_by_product_id[item.ingredient.product.id] = {
+                    product: item.ingredient.product,
+                    shoppingListItems: []
+                };
             }
-
-            grouped[source.ingredient.product.id].requested.push(source);
+            group.shoppingListItems.push(item);
         }
-
-        for (const source of requestedMealResults[meal_id].purchased) {
-            if (!grouped[source.ingredient.product.id]) {
-                grouped[source.ingredient.product.id] = { product: source.ingredient.product, requested: [], purchased: [], };
+        else {
+            let group = ingredients_by_name[item.ingredient.name];
+            if (!group) {
+                group = ingredients_by_name[item.ingredient.name] = {
+                    name: item.ingredient.name,
+                    shoppingListItems: []
+                };
             }
-
-            grouped[source.ingredient.product.id].purchased.push(source);
+            group.shoppingListItems.push(item);
         }
     }
 
-    // Only return values, array
-    return grouped;
-}
-
-export function purchasedToProductModel(shoppingList) {
-    const purchasedProductIds = new Set(shoppingList.results.map(r => r.product?.id ?? 0));
-    const purchasedSources = requestsToSources(shoppingList.requests).filter(r => purchasedProductIds.has(r.ingredient.product.id));
-    
-    const grouped = {};
-    for (const source of purchasedSources) {
-        const product = source.ingredient.product;
-        if (!grouped[product.id]) {
-            grouped[product.id] = { product, requested: [], purchased: [], };
-        }
-        
-        grouped[product.id].requested.push(source);
-    }
-    
-    return grouped;
+    return [
+        ...Object.values(ingredients_by_product_id),
+        ...Object.values(ingredients_by_name)
+    ]
 }

src/data.js

@@ -2,9 +2,9 @@ const BASE_URL = window.location.href.replace(/^(https?:\/\/[^/]+).*/, "$1/api")
 
 const datesToFix = {
     Meal: { fields: [ "suggested_date", "purchase_date", "consumed_date" ] },
-    CurrentShoppingList: { dependants: l => ({ ShoppingListRequest: l.requests, ShoppingList: l.overlapping_previous_shops }) },
+    CurrentShoppingList: { dependants: l => ({ ShoppingListItem: [l.outstanding_items, l.requested_meals, l.purchased_items], Meal: Object.values(l.meals_lookup), Recipe: Object.values(l.recipes_lookup), Ingredient: Object.values(l.ingredients_lookup), ShoppingList: Object.values(l.shopping_list_lookup) }) },
     ShoppingList: { fields: [ "created_date" ], dependants: l => ({ ShoppingListItem: l.items }) },
-    ShoppingListItem: { fields: [ "created_date" ], dependants: r => ({ Meal: r.meal }) },
+    ShoppingListItem: { fields: [ "created_date" ], dependants: r => ({ Meal: r.meal, Recipe: r.recipe, Ingredient: r.ingredient, ShoppingList: r.list }) },
     Recipe: { fields: [ "date_created", "date_hidden" ], },
 };
 
@@ -42,6 +42,26 @@ const fixDates = (obj, type) => {
     }
 }
 
+const setShoppingListReferences = (currentShoppingList) => {
+    if (!currentShoppingList) return;
+
+    var allRequests = [...currentShoppingList.outstanding_items, ...currentShoppingList.requested_meals, ...currentShoppingList.purchased_items];
+
+    for (const item of allRequests) {
+        if (item.ingredient_id) {
+            item.ingredient = currentShoppingList.ingredients_lookup[item.ingredient_id];
+        }
+        if (item.meal_id) {
+            item.meal = currentShoppingList.meals_lookup[item.meal_id];
+        }
+        if (item.list_id) {
+            item.list = currentShoppingList.shopping_list_lookup[item.list_id];
+        }
+        if (item.recipe_id) {
+            item.recipe = currentShoppingList.recipes_lookup[item.recipe_id];
+        }
+    }
+}
 
 let user = null;
 export default {
@@ -212,8 +232,10 @@ export default {
     },
     async getMyShoppingList() {
         const response = await fetch(BASE_URL + "/shopping/current/me/ingredients", { credentials: "include" });
+        const ingredients = await response.json();
+        fixDates(ingredients, 'Ingredient');
 
-        return await response.json();
+        return ingredients;
     },
     async saveMyShoppingList(list) {
         const response = await fetch(BASE_URL + "/shopping/current/me/ingredients", {
@@ -225,7 +247,10 @@ export default {
             body: JSON.stringify(list),
         });
 
-        return await response.json();
+        const ingredients = await response.json();
+        fixDates(ingredients, 'Ingredient');
+
+        return ingredients;
     },
     async getShoppingList(id) {
         const response = await fetch(BASE_URL + `/shopping/${encodeURIComponent(id)}`);
@@ -238,6 +263,7 @@ export default {
         const response = await fetch(BASE_URL + "/shopping/current");
         const lst = await response.json();
         fixDates(lst, "CurrentShoppingList");
+        setShoppingListReferences(lst);
         
         return lst;
     },