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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 };
|
