munch-ease-frontend/src/components/meals/EditMealPage.vue

<template>
  <div class="container">
    <div class="fields">
      <date-picker
        :date="meal.suggestedDate ?? new Date()"
        @date-selected="selectDate"
      />
      <div class="persons-list">
        Cooked by
        <person-list
          :people="meal.chefs"
          @remove-person="(p) => removePerson('chefs', p)"
          @add-person="(p) => addPerson('chefs', p)"
        />
        for
        <person-list
          :people="meal.consumers"
          @remove-person="(p) => removePerson('consumers', p)"
          @add-person="(p) => addPerson('consumers', p)"
        />, with
        <person-list
          :people="meal.cleanup"
          @remove-person="(p) => removePerson('cleanup', p)"
          @add-person="(p) => addPerson('cleanup', p)"
        />
        on cleanup.
      </div>
    </div>
    <div class="recipes">
      <h2>Recipes</h2>
      <ul v-if="meal.recipes.length">
        <li
          v-for="mealRecipe in meal.recipes"
          :key="mealRecipe.recipe?.id ?? mealRecipe.recipeId"
        >
          <div
            v-if="mealRecipe.recipe"
            class="saved-recipe"
          >
            <p class="recipe-card">
              <recipe-card :recipe="mealRecipe.recipe" />
            </p>

            <p class="servings">
              <input
                v-model="mealRecipe.servings"
                type="number"
                min="1"
              >
              <small><em>servings</em></small>
            </p>

            <input
              type="checkbox"
              class="show-ingredient-checkbox"
              :checked="showIngredient(mealRecipe)"
            >
            <label
              for="show-ingredients"
              @click="showIngredient(mealRecipe, !showIngredient(mealRecipe))"
            >
              <img
                class="icon"
                :src="showIngredientsIcon"
              >
            </label>
            <button
              class="icon-button"
              @click="removeRecipe(mealRecipe)"
            >
              <img
                class="icon"
                :src="trash"
              >
            </button>
          </div>

          <div v-if="showIngredient(mealRecipe)">
            <ul>
              <li
                v-for="ingredient in scaleIngredients(mealRecipe)"
                :key="ingredient.id"
                class="saved-ingredient"
              >
                <CompactParsedIngredient :ingredient="ingredient" />
              </li>
            </ul>
          </div>
        </li>
      </ul>
      <div v-else>
        <p>Add some recipes using the search box</p>
      </div>
      <div class="fields">
        <recipe-search-box @select-recipe="selectRecipe" />
      </div>
    </div>
    <div class="ingredients">
      <h2>Sides & Additional Ingredients</h2>
      <editable-ingredients-panel
        :ingredients="meal.extraIngredients"
        @on-add="addIngredient"
        @on-delete="deleteIngredient"
        @on-update-ingredient="updateIngredient"
        @on-editing="onEditAdditionalIngredients"
      />
    </div>

    <button @click="onSaveMeal">
      Save
    </button>
    <p v-if="meal.purchaseDate">
      <em>Purchased {{ ago(meal.purchaseDate) }}</em>
    </p>
  </div>
</template>

<script setup lang="ts">
import { reactive, onBeforeMount } from 'vue'
import { useRoute, useRouter } from 'vue-router'
import { getMeal, saveMeal, getRecipe } from '@/api/sdk'
import { toMealInput } from '@/domain/decoders'
import { currentUser } from '@/api/auth'
import { useAlert } from '@/composables/useAlert'
import { parseRouteId } from '@/router/helpers'
import type { Person, Ingredient, Meal, MealRecipe } from '@/domain/types'

import { ago } from '@/dateformats'

import RecipeSearchBox from '@/components/recipes/RecipeSearchBox.vue'
import RecipeCard from '@/components/recipes/RecipeCard.vue'
import DatePicker from './DatePicker.vue'
import EditableIngredientsPanel from '../ingredients/EditableIngredientsPanel.vue'
import PersonList from './PersonList.vue'
import CompactParsedIngredient from '../ingredients/CompactParsedIngredient.vue'
const showIngredientsIcon = new URL('@/assets/show-ingredients.svg', import.meta.url).toString()
const trash = new URL('@/assets/trash.svg', import.meta.url).toString()

function addPersonIfNotExists(list: Person[], person: Person | null | undefined) {
    if (!person) return
    if (!list.find((p) => p.id === person.id)) {
        list.push(person)
    }
}

const route = useRoute()
const router = useRouter()
const { show: showAlert } = useAlert()

type PeopleKey = 'chefs' | 'consumers' | 'cleanup'

const meal = reactive<Meal>({
    id: -1,
    suggestedDate: new Date(),
    consumedDate: null,
    purchaseDate: null,
    recipes: [],
    extraIngredients: [],
    chefs: [],
    consumers: [],
    cleanup: [],
})

onBeforeMount(async () => {
  const id = parseRouteId(route.params.id)
  if (id !== null) {
    const loaded = await getMeal(id)
    Object.assign(meal, loaded)
  } else {
        const self = await currentUser()
        if (self) {
            meal.chefs = [self]
            meal.consumers = [self]
            meal.cleanup = [self]
        }
    }
})

function selectDate(date: Date) {
    meal.suggestedDate = date
}

function removeRecipe(mealRecipe: MealRecipe) {
    if (
        confirm(
            `Are you sure you want to remove ${mealRecipe.servings} servings of ${mealRecipe.recipe?.name ?? 'this recipe'} from this meal?`
        )
    ) {
        meal.recipes = meal.recipes.filter((r) => r !== mealRecipe)
    }
}

function addIngredient() {
    meal.extraIngredients = [{ id: -1, name: '', line: '', unit: 'Items', quantity: 0, preparation: '', productId: null, recipeId: null, mealId: null, product: null }, ...meal.extraIngredients]
}

function deleteIngredient(ingredient: Ingredient) {
    meal.extraIngredients = meal.extraIngredients.filter((i) => i !== ingredient)
}

function updateIngredient(ingredient: Ingredient, newIngredient: Ingredient) {
    meal.extraIngredients = meal.extraIngredients.map((i) => (i === ingredient ? newIngredient : i))
}

function removePerson(list: PeopleKey, person: Person) {
    meal[list] = meal[list].filter((p) => p.id !== person.id)
}

function addPerson(list: PeopleKey, person: Person) {
    addPersonIfNotExists(meal[list], person)
}

async function selectRecipe(recipe: { id: number | string }) {
    // Refetch to get additional details
  const r = await getRecipe(recipe.id)

    if (r.createdBy) {
        addPersonIfNotExists(meal.chefs, r.createdBy)
        addPersonIfNotExists(meal.consumers, r.createdBy)

        if (meal.cleanup.length === 0) {
            addPersonIfNotExists(meal.cleanup, r.createdBy)
        }
    }

    meal.recipes.push({ recipe: r, recipeId: r.id, mealId: meal.id, servings: r.serves })
}

async function onEditAdditionalIngredients(editing: boolean) {
    if (editing && meal.extraIngredients.length === 0) {
        addIngredient()
    } else {
        meal.extraIngredients = meal.extraIngredients.filter((i) => !!i.line)
    }
}

const showMap = reactive<Record<string, boolean>>({})
function showIngredient(mealRecipe: MealRecipe, value?: boolean): boolean {
    const index = meal.recipes.indexOf(mealRecipe)
    const key = `${mealRecipe.recipe?.id ?? 'unknown'}-${index}`
    if (value === undefined) {
        return !!showMap[key]
    }
    showMap[key] = value
    return value
}

function scaleIngredients(mealRecipe: MealRecipe) {
    const ing = mealRecipe.recipe?.ingredients ?? []
    const serves = mealRecipe.recipe?.serves ?? 1
    return ing.map((i) => {
        return {
            ...i,
            quantity: (i.quantity * mealRecipe.servings) / serves,
        }
    })
}

async function onSaveMeal() {
    const saved = await saveMeal(toMealInput(meal))
    if (saved && saved.id >= 0) {
        Object.assign(meal, saved)
        router.push(`/meals/${saved.id}`)
        showAlert({ heading: 'Meal saved', message: 'Meal saved successfully', type: 'success' })
        return
    }

    showAlert({
        heading: 'Error saving meal',
        message: 'An error occurred while saving the meal',
        type: 'error',
    })
}
</script>

<style scoped>
img.icon {
    width: 2em;
    height: 2em;
}

.persons-list {
    text-align: left;
    padding: 1ex 2em;
}

.persons-list p {
    margin: 0;
    padding-bottom: 1em;
}

.person-list li {
    display: inline-block;
    padding-right: 1em;
}

.container {
    margin: 1em auto;
}

ul {
    list-style-type: none;
    margin: 0;
    padding: 0;
}

li {
    padding-bottom: 0.5vh;
}

.saved-ingredient {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.saved-recipe {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.saved-ingredient p {
    flex: 1;
    margin: 0;
    margin-right: 1em;
}

.saved-recipe button:hover {
    background: #eee;
}

.saved-recipe .recipe-card {
    margin: 0;
}

.recipe-card {
    flex: 1;
}

.servings {
    display: inline-block;
    margin-right: 1em;
}

.servings input {
    width: 3em;
    border: none;
    border-bottom: 1px solid #000;
    text-align: center;
    font-size: large;
    font-style: italic;
}

.icon-button {
    background: none;
    border: none;
    cursor: pointer;
    border-radius: 1em;
    padding: 0.5em;
}

.icon-button:hover {
    /* Invert the colors of the trash icon */
    filter: invert(1);
}

.show-ingredient-checkbox {
    display: none;
}

.show-ingredient-checkbox+label {
    cursor: pointer;
    background-color: #fff;
    padding: 0.5em;
    border-radius: 1em;
}

.show-ingredient-checkbox+label:hover {
    background-color: #eee;
}

.show-ingredient-checkbox:checked+label {
    filter: invert(1);
}
</style>