From 279e1d482fec58c73e417f18fed84630ee7e28c8 Mon Sep 17 00:00:00 2001
From: Matt Solomon <matt@mattsolomon.dev>
Date: Fri, 13 Aug 2021 10:23:54 -0700
Subject: [PATCH] feat: setup list of items in cart on cart page

---
 app/src/utils/utils.ts | 16 ++++++++---
 app/src/views/Cart.vue | 65 ++++++++++++++++++++++++++++++++++++------
 2 files changed, 68 insertions(+), 13 deletions(-)

diff --git a/app/src/utils/utils.ts b/app/src/utils/utils.ts
index 597b3c61..e00e1ece 100644
--- a/app/src/utils/utils.ts
+++ b/app/src/utils/utils.ts
@@ -63,11 +63,11 @@ export function loadCart(): CartItemOptions[] {
 }
 
 // Adds a grant to the cart
-export function addToCart(grant: Grant | null | undefined) {
-  if (!grant) return; // null and undefined input types are to avoid lint errors when calling this from a template
+export function addToCart(grant: Grant | null | undefined): CartItemOptions[] {
+  if (!grant) return []; // null and undefined input types are to avoid lint errors when calling this from a template
   // If this grant is already in the cart, do nothing
   const cart = loadCart();
-  if (cart.map((grant) => grant.grantId).includes(grant.id.toString())) return;
+  if (cart.map((grant) => grant.grantId).includes(grant.id.toString())) return cart;
 
   // Otherwise, add it to the cart and update localStorage
   cart.push({
@@ -76,13 +76,21 @@ export function addToCart(grant: Grant | null | undefined) {
     contributionAmount: DEFAULT_CONTRIBUTION_AMOUNT,
   });
   localStorage.setItem(CART_KEY, JSON.stringify(cart));
+  return cart;
 }
 
 // Removes a grant from the cart
-export function removeFromCart(grantId: BigNumberish) {
+export function removeFromCart(grantId: BigNumberish): CartItemOptions[] {
   const cart = loadCart();
   const newCart = cart.filter((grant) => grant.grantId !== BigNumber.from(grantId).toString());
   localStorage.setItem(CART_KEY, JSON.stringify(newCart));
+  return newCart;
+}
+
+// Clears the cart
+export function clearCart(): CartItemOptions[] {
+  localStorage.removeItem(CART_KEY);
+  return [];
 }
 
 // Check against the grantRounds status for a match
diff --git a/app/src/views/Cart.vue b/app/src/views/Cart.vue
index 9baedf1f..f9043b28 100644
--- a/app/src/views/Cart.vue
+++ b/app/src/views/Cart.vue
@@ -1,45 +1,92 @@
 <template>
-  <h1 class="my-6 text-center text-3xl font-extrabold text-gray-900">Cart</h1>
+  <!-- Header -->
+  <h1 class="my-6 text-center text-3xl font-extrabold text-gray-900">Cart {{ cart.length }}</h1>
 
+  <!-- Empty cart -->
   <div v-if="cart.length === 0">
     <div>Your cart is empty</div>
     <button @click="pushRoute({ name: 'dgrants' })" class="btn btn-primary mt-6">Browse Grants</button>
   </div>
 
+  <!-- Cart has items -->
   <div v-else>
-    <div v-for="item in cart" :key="item.grantId" class="mb-10">
-      <div>{{ item }}</div>
+    <!-- Cart toolbar -->
+    <div class="flex justify-between mb-10 max-w-7xl mx-auto px-4 sm:px-6 lg:px-8 py-2 border-t-2 border-b-2">
+      <div class="flex justify-start">
+        <button class="btn btn-flat mr-5">Save as collection</button>
+        <button class="btn btn-flat">Share cart</button>
+      </div>
+      <button @click="clearCartState" class="btn btn-flat">Clear cart</button>
+    </div>
+    <!-- Cart items -->
+    <div class="bg-white shadow overflow-hidden sm:rounded-md max-w-7xl mx-auto px-4 sm:px-6 lg:px-8 py-2">
+      <ul class="divide-y divide-gray-200">
+        <!-- For each grant -->
+        <li v-for="grant in cart" :key="grant.grantId">
+          <div class="flex justify-between items-center px-4 py-4 sm:px-6">
+            <!-- Logo and name -->
+            <div class="flex items-center">
+              <img class="h-12 w-12" :src="grant.logoUrl || 'src/assets/logo.png'" alt="" />
+              <p class="text-sm text-left font-medium truncate">
+                {{ grant.name || 'name not found' }}
+              </p>
+            </div>
+
+            <!-- Contribution info -->
+            <div class="flex space-x-2">
+              <!-- Contribution token and amount -->
+              <div class="flex-none flex">
+                <BaseInput />
+              </div>
+
+              <!-- Match estimate -->
+              <div class="flex-none hidden md:block">
+                <p class="text-sm text-left text-gray-400">not in an active round</p>
+              </div>
+
+              <!-- Delete from cart -->
+              <div>
+                <XIcon class="flex-none h-5 w-5 text-gray-400" aria-hidden="true" />
+              </div>
+            </div>
+          </div>
+        </li>
+      </ul>
     </div>
   </div>
 </template>
 
 <script lang="ts">
-import { computed, defineComponent } from 'vue';
-import { pushRoute, loadCart } from 'src/utils/utils';
+import { computed, defineComponent, ref } from 'vue';
+import { pushRoute, clearCart, loadCart } from 'src/utils/utils';
 import useDataStore from 'src/store/data';
 import { CartItemOptions } from 'src/types';
 import { Grant } from '@dgrants/types';
+import { XIcon } from '@heroicons/vue/solid';
+import BaseInput from 'src/components/BaseInput.vue';
 
 type CartItem = CartItemOptions & Grant;
 
 function useCart() {
   const { grants } = useDataStore();
 
+  const rawCart = ref<CartItemOptions[]>(loadCart());
+  const clearCartState = () => (rawCart.value = clearCart());
   const cart = computed(() => {
-    // Load cart info form localStorage, then concatenate it with grant data from store
-    const rawCart = loadCart();
-    return rawCart.map((cartItem) => {
+    // Use cart info form localStorage and concatenate it with grant data from store
+    return rawCart.value.map((cartItem) => {
       // grants.value is likely undefined as page first loads before data is fetched, hence the `grants.value &&`
       const grant = grants.value && grants.value.filter((grant) => grant.id.toString() === cartItem.grantId)[0]; // TODO `grants.value.filter` may be slow for large number of grants
       return { ...cartItem, ...grant } as CartItem;
     });
   });
 
-  return { cart, grants };
+  return { cart, clearCartState };
 }
 
 export default defineComponent({
   name: 'Cart',
+  components: { BaseInput, XIcon },
   setup() {
     return { ...useCart(), pushRoute };
   },