Video 21

2 files changed, 97 insertions, 0 deletions

diff --git a/stepped-solutions/21/frontend/components/DeleteItem.js b/stepped-solutions/21/frontend/components/DeleteItem.js
new file mode 100755
index 0000000..4d9bd2b
--- /dev/null
+++ b/stepped-solutions/21/frontend/components/DeleteItem.js
@@ -0,0 +1,48 @@
+import React, { Component } from 'react';
+import { Mutation } from 'react-apollo';
+import gql from 'graphql-tag';
+import { ALL_ITEMS_QUERY } from './Items';
+
+const DELETE_ITEM_MUTATION = gql`
+  mutation DELETE_ITEM_MUTATION($id: ID!) {
+    deleteItem(id: $id) {
+      id
+    }
+  }
+`;
+
+class DeleteItem extends Component {
+  update = (cache, payload) => {
+    // manually update the cache on the client, so it matches the server
+    // 1. Read the cache for the items we want
+    const data = cache.readQuery({ query: ALL_ITEMS_QUERY });
+    console.log(data, payload);
+    // 2. Filter the deleted itemout of the page
+    data.items = data.items.filter(item => item.id !== payload.data.deleteItem.id);
+    // 3. Put the items back!
+    cache.writeQuery({ query: ALL_ITEMS_QUERY, data });
+  };
+  render() {
+    return (
+      <Mutation
+        mutation={DELETE_ITEM_MUTATION}
+        variables={{ id: this.props.id }}
+        update={this.update}
+      >
+        {(deleteItem, { error }) => (
+          <button
+            onClick={() => {
+              if (confirm('Are you sure you want to delete this item?')) {
+                deleteItem();
+              }
+            }}
+          >
+            {this.props.children}
+          </button>
+        )}
+      </Mutation>
+    );
+  }
+}
+
+export default DeleteItem;
diff --git a/stepped-solutions/21/frontend/components/Item.js b/stepped-solutions/21/frontend/components/Item.js
new file mode 100755
index 0000000..a40439b
--- /dev/null
+++ b/stepped-solutions/21/frontend/components/Item.js
@@ -0,0 +1,49 @@
+import React, { Component } from 'react';
+import PropTypes from 'prop-types';
+import Link from 'next/link';
+import Title from './styles/Title';
+import ItemStyles from './styles/ItemStyles';
+import PriceTag from './styles/PriceTag';
+import formatMoney from '../lib/formatMoney';
+import DeleteItem from './DeleteItem';
+
+export default class Item extends Component {
+  static propTypes = {
+    item: PropTypes.object.isRequired,
+  };
+
+  render() {
+    const { item } = this.props;
+    return (
+      <ItemStyles>
+        {item.image && <img src={item.image} alt={item.title} />}
+
+        <Title>
+          <Link
+            href={{
+              pathname: '/item',
+              query: { id: item.id },
+            }}
+          >
+            <a>{item.title}</a>
+          </Link>
+        </Title>
+        <PriceTag>{formatMoney(item.price)}</PriceTag>
+        <p>{item.description}</p>
+
+        <div className="buttonList">
+          <Link
+            href={{
+              pathname: 'update',
+              query: { id: item.id },
+            }}
+          >
+            <a>Edit ✏️</a>
+          </Link>
+          <button>Add To Cart</button>
+          <DeleteItem id={item.id}>Delete This Item</DeleteItem>
+        </div>
+      </ItemStyles>
+    );
+  }
+}