From cd0b07b3adb36fb5ec098f9e511ab45d774fee7b Mon Sep 17 00:00:00 2001
From: Wes Bos <wesbos@gmail.com>
Date: Tue, 30 Jan 2018 12:41:01 -0500
Subject: Move to Prisma Backend

---
 frontend/components/CreateItem.js | 128 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 128 insertions(+)
 create mode 100644 frontend/components/CreateItem.js

(limited to 'frontend/components/CreateItem.js')

diff --git a/frontend/components/CreateItem.js b/frontend/components/CreateItem.js
new file mode 100644
index 0000000..27b62e5
--- /dev/null
+++ b/frontend/components/CreateItem.js
@@ -0,0 +1,128 @@
+import React, { Component } from 'react';
+import { graphql, gql } from 'react-apollo';
+import { ALL_ITEMS_QUERY, CREATE_ITEM_MUTATION } from '../queries';
+import ErrorMessage from './ErrorMessage';
+import makeImage from '../lib/image';
+import { fileEndpoint } from '../config';
+
+class CreateLink extends Component {
+  state = {
+    description: '',
+    title: '',
+    image: '',
+    price: 0,
+    fullPrice: 0,
+    loading: false,
+    error: {
+      message: '',
+    },
+  };
+
+  componentWillReceiveProps(nextProps) {
+    console.log(nextProps);
+  }
+
+  uploadFile = async e => {
+    this.setState({ loading: true });
+    const files = e.currentTarget.files;
+
+    const data = new FormData();
+    data.append('data', files[0]);
+
+    // use the file endpoint
+    const res = await fetch(fileEndpoint, {
+      method: 'POST',
+      body: data,
+    });
+    const file = await res.json();
+    this.setState({ image: file.id, loading: false });
+  };
+
+  _createLink = async e => {
+    e.preventDefault();
+    // pull the values from state
+    const { description, title, image, price, fullPrice } = this.state;
+    // create a mutation
+    // TODO: handle any errors
+    // turn loading on
+    this.setState({ loading: true });
+    try {
+      const res = await this.props.createItemMutation({
+        // pass in those variables from state
+        variables: {
+          description,
+          title,
+          price: parseInt(price),
+          fullPrice,
+          imageId: image,
+        },
+      });
+    } catch (error) {
+      this.setState({ error });
+      console.log(error);
+    }
+    this.setState({ loading: false });
+  };
+
+  render() {
+    return (
+      <div>
+        {this.state.loading ? 'LOADING...' : 'Ready!'}
+
+        <ErrorMessage error={this.state.error} onButtonClick={() => this.setState({ error: {} })} />
+        <form onSubmit={this._createLink}>
+          <p>
+            Image
+            <input onChange={this.uploadFile} type="file" accept=".png, .jpg, .jpeg" />
+          </p>
+          <p>
+            Title
+            <input
+              value={this.state.title}
+              onChange={e => this.setState({ title: e.target.value })}
+              type="text"
+              placeholder="Title"
+            />
+          </p>
+          <label>
+            Price<input
+              type="number"
+              min="0"
+              value={this.state.price}
+              onChange={e => this.setState({ price: e.target.value })}
+            />
+          </label>
+          <textarea
+            value={this.state.description}
+            onChange={e => this.setState({ description: e.target.value })}
+            type="text"
+            placeholder="The desc for this item"
+          />
+          <button disabled={!this.state.loading} type="submit">
+            Submit
+          </button>
+        </form>
+      </div>
+    );
+  }
+}
+// When we submit this mutation, we need to update our store - we have a few ways to do that:
+// One - we can go nucular and run refetchQueries() which will just go get everything - this is easy, but at the cost of efficiency.
+
+export default graphql(CREATE_ITEM_MUTATION, {
+  name: 'createItemMutation',
+  options: {
+    // Easy, but slow
+    // refetchQueries: ['AllLinksQuery']
+    // This is much Better / efficient
+    // Notice how the variable is called createItem - that is because createItem is the name of the query!
+    update: (proxy, { data: { createItem } }) => {
+      const data = proxy.readQuery({ query: ALL_ITEMS_QUERY });
+      // data is our store, allItems is our sub-"state", it's just an array. We can just add it to
+      console.log({ createItem });
+      data.allItems = [createItem, ...data.allItems.slice(1, 3)];
+      // and then "set state", so it will update on the page. This will update the cache for us!
+      proxy.writeQuery({ query: ALL_ITEMS_QUERY, data });
+    },
+  },
+})(CreateLink);
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