qotnews/webclient/src/Results.js

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import React from 'react';
import { Link } from 'react-router-dom';
import { Helmet } from 'react-helmet';
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import { sourceLink, infoLine, logos } from './utils.js';
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import AbortController from 'abort-controller';
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class Results extends React.Component {
constructor(props) {
super(props);
this.state = {
stories: false,
error: false,
};
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this.controller = null;
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}
performSearch = () => {
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if (this.controller) {
this.controller.abort();
}
this.controller = new AbortController();
const signal = this.controller.signal;
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const search = this.props.location.search;
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fetch('/api/search' + search, { method: 'get', signal: signal })
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.then(res => res.json())
.then(
(result) => {
this.setState({ stories: result.results });
},
(error) => {
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if (error.message !== 'The operation was aborted. ') {
this.setState({ error: true });
}
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}
);
}
componentDidMount() {
this.performSearch();
}
componentDidUpdate(prevProps) {
if (this.props.location.search !== prevProps.location.search) {
this.performSearch();
}
}
render() {
const stories = this.state.stories;
const error = this.state.error;
return (
<div className='container'>
<Helmet>
<title>Feed - QotNews</title>
</Helmet>
{error && <p>Connection error?</p>}
{stories ?
<>
<p>Search results:</p>
<div className='comment lined'>
{stories.length ?
stories.map((x, i) =>
<div className='item' key={i}>
<div className='title'>
<Link className='link' to={'/' + x.id}>
<img className='source-logo' src={logos[x.source]} alt='source logo' /> {x.title}
</Link>
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<span className='source'>
&#8203;({sourceLink(x)})
</span>
</div>
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{infoLine(x)}
</div>
)
:
<p>none</p>
}
</div>
</>
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:
<p>loading...</p>
}
</div>
);
}
}
export default Results;