munch-ease-frontend/src/components/shopping/shopping.js

42 lines
1.3 KiB
JavaScript

export function groupsToItems(groups) {
return groups.map((group) => group.shoppingListItems).flat()
}
export function uniqueMeals(shoppingListItems) {
const mealsWithDuplicates = shoppingListItems.map((item) => item.meal).filter((m) => m)
const mealsLookup = mealsWithDuplicates.reduce((acc, meal) => {
acc[meal.id] ??= meal
return acc
}, {})
return Object.values(mealsLookup)
}
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: [],
}
}
group.shoppingListItems.push(item)
} else {
let group = ingredients_by_name[item.ingredient.name]
if (!group) {
group = ingredients_by_name[item.ingredient.name] = {
name: item.ingredient.name,
shoppingListItems: [],
}
}
group.shoppingListItems.push(item)
}
}
return [...Object.values(ingredients_by_product_id), ...Object.values(ingredients_by_name)]
}