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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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