From ff7fc88e36bb66a47327fa2c7e8513b222e539ef Mon Sep 17 00:00:00 2001
From: Wes Bos <wesbos@gmail.com>
Date: Wed, 27 Jun 2018 13:02:25 -0400
Subject: Video 21

---
 .../20/backend/src/resolvers/Mutation.js           |  36 +++++++
 .../20/backend/src/resolvers/Query.js              |  13 +++
 stepped-solutions/20/backend/src/schema.graphql    |  11 ++
 .../20/frontend/components/UpdateItem.js           | 117 +++++++++++++++++++++
 stepped-solutions/20/frontend/pages/update.js      |   9 ++
 5 files changed, 186 insertions(+)
 create mode 100755 stepped-solutions/20/backend/src/resolvers/Mutation.js
 create mode 100755 stepped-solutions/20/backend/src/resolvers/Query.js
 create mode 100755 stepped-solutions/20/backend/src/schema.graphql
 create mode 100755 stepped-solutions/20/frontend/components/UpdateItem.js
 create mode 100755 stepped-solutions/20/frontend/pages/update.js

(limited to 'stepped-solutions/20')

diff --git a/stepped-solutions/20/backend/src/resolvers/Mutation.js b/stepped-solutions/20/backend/src/resolvers/Mutation.js
new file mode 100755
index 0000000..de47a4e
--- /dev/null
+++ b/stepped-solutions/20/backend/src/resolvers/Mutation.js
@@ -0,0 +1,36 @@
+const Mutations = {
+  async createItem(parent, args, ctx, info) {
+    // TODO: Check if they are logged in
+
+    const item = await ctx.db.mutation.createItem(
+      {
+        data: {
+          ...args,
+        },
+      },
+      info
+    );
+
+    console.log(item);
+
+    return item;
+  },
+  updateItem(parent, args, ctx, info) {
+    // first take a copy of the updates
+    const updates = { ...args };
+    // remove the ID from the updates
+    delete updates.id;
+    // run the update method
+    return ctx.db.mutation.updateItem(
+      {
+        data: updates,
+        where: {
+          id: args.id,
+        },
+      },
+      info
+    );
+  },
+};
+
+module.exports = Mutations;
diff --git a/stepped-solutions/20/backend/src/resolvers/Query.js b/stepped-solutions/20/backend/src/resolvers/Query.js
new file mode 100755
index 0000000..eef01ec
--- /dev/null
+++ b/stepped-solutions/20/backend/src/resolvers/Query.js
@@ -0,0 +1,13 @@
+const { forwardTo } = require('prisma-binding');
+
+const Query = {
+  items: forwardTo('db'),
+  item: forwardTo('db'),
+  // async items(parent, args, ctx, info) {
+  //   console.log('Getting Items!!');
+  //   const items = await ctx.db.query.items();
+  //   return items;
+  // },
+};
+
+module.exports = Query;
diff --git a/stepped-solutions/20/backend/src/schema.graphql b/stepped-solutions/20/backend/src/schema.graphql
new file mode 100755
index 0000000..bdc131f
--- /dev/null
+++ b/stepped-solutions/20/backend/src/schema.graphql
@@ -0,0 +1,11 @@
+# import * from './generated/prisma.graphql'
+
+type Mutation {
+  createItem(title: String, description: String, price: Int, image: String, largeImage: String): Item!
+  updateItem(id: ID!, title: String, description: String, price: Int): Item!
+}
+
+type Query {
+  items: [Item]!
+  item(where: ItemWhereUniqueInput!): Item
+}
diff --git a/stepped-solutions/20/frontend/components/UpdateItem.js b/stepped-solutions/20/frontend/components/UpdateItem.js
new file mode 100755
index 0000000..11aef32
--- /dev/null
+++ b/stepped-solutions/20/frontend/components/UpdateItem.js
@@ -0,0 +1,117 @@
+import React, { Component } from 'react';
+import { Mutation, Query } from 'react-apollo';
+import gql from 'graphql-tag';
+import Router from 'next/router';
+import Form from './styles/Form';
+import formatMoney from '../lib/formatMoney';
+import Error from './ErrorMessage';
+
+const SINGLE_ITEM_QUERY = gql`
+  query SINGLE_ITEM_QUERY($id: ID!) {
+    item(where: { id: $id }) {
+      id
+      title
+      description
+      price
+    }
+  }
+`;
+const UPDATE_ITEM_MUTATION = gql`
+  mutation UPDATE_ITEM_MUTATION($id: ID!, $title: String, $description: String, $price: Int) {
+    updateItem(id: $id, title: $title, description: $description, price: $price) {
+      id
+      title
+      description
+      price
+    }
+  }
+`;
+
+class UpdateItem extends Component {
+  state = {};
+  handleChange = e => {
+    const { name, type, value } = e.target;
+    const val = type === 'number' ? parseFloat(value) : value;
+    this.setState({ [name]: val });
+  };
+  updateItem = async (e, updateItemMutation) => {
+    e.preventDefault();
+    console.log('Updating Item!!');
+    console.log(this.state);
+    const res = await updateItemMutation({
+      variables: {
+        id: this.props.id,
+        ...this.state,
+      },
+    });
+    console.log('Updated!!');
+  };
+
+  render() {
+    return (
+      <Query
+        query={SINGLE_ITEM_QUERY}
+        variables={{
+          id: this.props.id,
+        }}
+      >
+        {({ data, loading }) => {
+          if (loading) return <p>Loading...</p>;
+          if (!data.item) return <p>No Item Found for ID {this.props.id}</p>;
+          return (
+            <Mutation mutation={UPDATE_ITEM_MUTATION} variables={this.state}>
+              {(updateItem, { loading, error }) => (
+                <Form onSubmit={e => this.updateItem(e, updateItem)}>
+                  <Error error={error} />
+                  <fieldset disabled={loading} aria-busy={loading}>
+                    <label htmlFor="title">
+                      Title
+                      <input
+                        type="text"
+                        id="title"
+                        name="title"
+                        placeholder="Title"
+                        required
+                        defaultValue={data.item.title}
+                        onChange={this.handleChange}
+                      />
+                    </label>
+
+                    <label htmlFor="price">
+                      Price
+                      <input
+                        type="number"
+                        id="price"
+                        name="price"
+                        placeholder="Price"
+                        required
+                        defaultValue={data.item.price}
+                        onChange={this.handleChange}
+                      />
+                    </label>
+
+                    <label htmlFor="description">
+                      Description
+                      <textarea
+                        id="description"
+                        name="description"
+                        placeholder="Enter A Description"
+                        required
+                        defaultValue={data.item.description}
+                        onChange={this.handleChange}
+                      />
+                    </label>
+                    <button type="submit">Sav{loading ? 'ing' : 'e'} Changes</button>
+                  </fieldset>
+                </Form>
+              )}
+            </Mutation>
+          );
+        }}
+      </Query>
+    );
+  }
+}
+
+export default UpdateItem;
+export { UPDATE_ITEM_MUTATION };
diff --git a/stepped-solutions/20/frontend/pages/update.js b/stepped-solutions/20/frontend/pages/update.js
new file mode 100755
index 0000000..ba9d525
--- /dev/null
+++ b/stepped-solutions/20/frontend/pages/update.js
@@ -0,0 +1,9 @@
+import UpdateItem from '../components/UpdateItem';
+
+const Sell = ({ query }) => (
+  <div>
+    <UpdateItem id={query.id} />
+  </div>
+);
+
+export default Sell;
-- 
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