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// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
// See License.txt for license information.
import React from 'react';
import PropTypes from 'prop-types';
export default class AtMention extends React.PureComponent {
static propTypes = {
mentionName: PropTypes.string.isRequired,
usersByUsername: PropTypes.object.isRequired,
actions: PropTypes.shape({
searchForTerm: PropTypes.func.isRequired
}).isRequired
};
constructor(props) {
super(props);
this.state = {
username: this.getUsernameFromMentionName(props)
};
}
componentWillReceiveProps(nextProps) {
if (nextProps.mentionName !== this.props.mentionName || nextProps.usersByUsername !== this.props.usersByUsername) {
this.setState({
username: this.getUsernameFromMentionName(nextProps)
});
}
}
getUsernameFromMentionName(props) {
let mentionName = props.mentionName;
while (mentionName.length > 0) {
if (props.usersByUsername[mentionName]) {
return props.usersByUsername[mentionName].username;
}
// Repeatedly trim off trailing punctuation in case this is at the end of a sentence
if ((/[._-]$/).test(mentionName)) {
mentionName = mentionName.substring(0, mentionName.length - 1);
} else {
break;
}
}
return '';
}
search = (e) => {
e.preventDefault();
this.props.actions.searchForTerm(this.state.username);
}
render() {
const username = this.state.username;
if (!username) {
return <span>{'@' + this.props.mentionName}</span>;
}
const suffix = this.props.mentionName.substring(username.length);
return (
<span>
<a
className='mention-link'
href='#'
onClick={this.search}
>
{'@' + username}
</a>
{suffix}
</span>
);
}
}
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