django_rest_framework_app/client_chapter_9.html at main · testdrivenio/django_rest_framework_app · GitHub

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<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1" />
    <title>Awesome Shopping App (Chapter 9)</title>
    <link
      rel="stylesheet"
      href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.3/dist/css/bootstrap.min.css"
    />
    <style>
      .strikethrough {
        text-decoration: line-through;
        opacity: 0.55;
      }
      .clickable {
        cursor: pointer;
      }
      [v-cloak] {
        display: none;
      }
    </style>
    <script type="importmap">
      {
        "imports": {
          "vue": "https://cdn.jsdelivr.net/npm/vue@3/dist/vue.esm-browser.prod.js"
        }
      }
    </script>
  </head>
  <body class="bg-body-tertiary">
    <div id="app" v-cloak>
      <div class="container py-4" style="max-width: 720px">
        <header class="mb-4">
          <h1 class="h4 m-0">🛒 Awesome Shopping App</h1>
        </header>

        <p v-if="lists.length === 0" class="text-body-secondary">
          You have no shopping lists yet. Add some in the Django admin.
        </p>

        <template v-else>
          <!-- Vue-driven tabs (no Bootstrap JS needed). -->
          <ul class="nav nav-tabs">
            <li v-for="list in lists" :key="list.id" class="nav-item">
              <button
                class="nav-link"
                type="button"
                :class="{ active: list.id === activeListId }"
                @click="activeListId = list.id"
              >
                {{ list.name }}
              </button>
            </li>
          </ul>

          <div class="border border-top-0 rounded-bottom p-3 bg-body">
            <ul class="list-group mb-3">
              <li
                v-for="item in activeList.shopping_items"
                :key="item.id"
                class="clickable list-group-item d-flex align-items-center"
                :class="{ strikethrough: item.purchased }"
                @click="toggleItem(item)"
              >
                <input
                  class="form-check-input me-2"
                  type="checkbox"
                  :checked="item.purchased"
                  @click.prevent
                />
                {{ item.name }}
              </li>
              <li
                v-if="activeList.shopping_items.length === 0"
                class="list-group-item text-body-secondary"
              >
                This list is empty.
              </li>
            </ul>

            <form @submit.prevent="addItem">
              <input
                v-model="newItemName"
                type="text"
                class="form-control"
                placeholder="Add a new item and press Enter"
              />
            </form>
          </div>
        </template>
      </div>
    </div>

    <script type="module">
      import { createApp, ref, computed } from "vue";

      // Point this at wherever your Django dev server is running.
      const API_BASE = "http://127.0.0.1:8000";

      createApp({
        setup() {
          const lists = ref([]);
          const activeListId = ref(null);
          const newItemName = ref("");

          const activeList = computed(() =>
            lists.value.find((l) => l.id === activeListId.value) ?? {
              shopping_items: [],
            }
          );

          // Retrieve all shopping lists. Each list already includes its items
          // via the nested serializer, so a single request is enough.
          async function loadLists() {
            // A bare fetch defaults to the GET method.
            const response = await fetch(`${API_BASE}/api/shopping-lists/`);
            lists.value = await response.json();
            if (lists.value.length) activeListId.value = lists.value[0].id;
          }

          // Add a shopping item to the active list.
          async function addItem() {
            const name = newItemName.value.trim();
            if (!name) return;
            const response = await fetch(
              `${API_BASE}/api/shopping-lists/${activeListId.value}/shopping-items/`,
              {
                method: "POST",
                headers: { "Content-Type": "application/json" },
                body: JSON.stringify({ name, purchased: false }),
              }
            );
            const created = await response.json();
            activeList.value.shopping_items.push(created);
            newItemName.value = "";
          }

          // Toggle an item's purchased status. We have the parent list's id
          // from the surrounding list, so we can build the detail URL.
          async function toggleItem(item) {
            const response = await fetch(
              `${API_BASE}/api/shopping-lists/${activeListId.value}/shopping-items/${item.id}/`,
              {
                method: "PATCH",
                headers: { "Content-Type": "application/json" },
                body: JSON.stringify({ purchased: !item.purchased }),
              }
            );
            const updated = await response.json();
            item.purchased = updated.purchased;
          }

          loadLists();

          return {
            lists,
            activeListId,
            activeList,
            newItemName,
            addItem,
            toggleItem,
          };
        },
      }).mount("#app");
    </script>
  </body>
</html>