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// Copyright (c) 2016 Mattermost, Inc. All Rights Reserved.
// See License.txt for license information.
import React from 'react';
import * as AsyncClient from 'utils/async_client.jsx';
import ReactionStore from 'stores/reaction_store.jsx';
import ReactionListView from './reaction_list_view.jsx';
export default class ReactionListContainer extends React.Component {
static propTypes = {
post: React.PropTypes.object.isRequired,
currentUserId: React.PropTypes.string.isRequired
}
constructor(props) {
super(props);
this.handleReactionsChanged = this.handleReactionsChanged.bind(this);
this.state = {
reactions: ReactionStore.getReactions(this.props.post.id)
};
}
componentDidMount() {
ReactionStore.addChangeListener(this.props.post.id, this.handleReactionsChanged);
if (this.props.post.has_reactions) {
AsyncClient.listReactions(this.props.post.channel_id, this.props.post.id);
}
}
componentWillReceiveProps(nextProps) {
if (nextProps.post.id !== this.props.post.id) {
ReactionStore.removeChangeListener(this.props.post.id, this.handleReactionsChanged);
ReactionStore.addChangeListener(nextProps.post.id, this.handleReactionsChanged);
this.setState({
reactions: ReactionStore.getReactions(nextProps.post.id)
});
}
}
shouldComponentUpdate(nextProps, nextState) {
if (nextProps.post.has_reactions !== this.props.post.has_reactions) {
return true;
}
if (nextState.reactions !== this.state.reactions) {
// this will only work so long as the entries in the ReactionStore are never mutated
return true;
}
return false;
}
componentWillUnmount() {
ReactionStore.removeChangeListener(this.props.post.id, this.handleReactionsChanged);
}
handleReactionsChanged() {
this.setState({
reactions: ReactionStore.getReactions(this.props.post.id)
});
}
render() {
if (!this.props.post.has_reactions) {
return null;
}
return (
<ReactionListView
post={this.props.post}
currentUserId={this.props.currentUserId}
reactions={this.state.reactions}
/>
);
}
}
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