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// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
// See License.txt for license information.
import SearchableChannelList from './searchable_channel_list.jsx';
import ChannelStore from 'stores/channel_store.jsx';
import UserStore from 'stores/user_store.jsx';
import TeamStore from 'stores/team_store.jsx';
import Constants from 'utils/constants.jsx';
import * as AsyncClient from 'utils/async_client.jsx';
import {joinChannel, searchMoreChannels} from 'actions/channel_actions.jsx';
import {showCreateOption} from 'utils/channel_utils.jsx';
import React from 'react';
import PureRenderMixin from 'react-addons-pure-render-mixin';
import {Modal} from 'react-bootstrap';
import {FormattedMessage} from 'react-intl';
import {browserHistory} from 'react-router/es6';
const CHANNELS_CHUNK_SIZE = 50;
const CHANNELS_PER_PAGE = 50;
const SEARCH_TIMEOUT_MILLISECONDS = 100;
export default class MoreChannels extends React.Component {
constructor(props) {
super(props);
this.onChange = this.onChange.bind(this);
this.handleJoin = this.handleJoin.bind(this);
this.handleHide = this.handleHide.bind(this);
this.handleExit = this.handleExit.bind(this);
this.nextPage = this.nextPage.bind(this);
this.search = this.search.bind(this);
this.shouldComponentUpdate = PureRenderMixin.shouldComponentUpdate.bind(this);
this.searchTimeoutId = 0;
this.state = {
show: true,
search: false,
channels: null,
serverError: null
};
}
componentDidMount() {
ChannelStore.addChangeListener(this.onChange);
AsyncClient.getMoreChannelsPage(0, CHANNELS_CHUNK_SIZE * 2);
}
componentWillUnmount() {
ChannelStore.removeChangeListener(this.onChange);
}
handleHide() {
this.setState({show: false});
}
handleExit() {
if (this.props.onModalDismissed) {
this.props.onModalDismissed();
}
}
onChange(force) {
if (this.state.search && !force) {
return;
}
this.setState({
channels: ChannelStore.getMoreChannelsList(),
serverError: null
});
}
nextPage(page) {
AsyncClient.getMoreChannelsPage((page + 1) * CHANNELS_PER_PAGE, CHANNELS_PER_PAGE);
}
handleJoin(channel, done) {
joinChannel(
channel,
() => {
browserHistory.push(TeamStore.getCurrentTeamRelativeUrl() + '/channels/' + channel.name);
if (done) {
done();
}
this.handleHide();
},
(err) => {
this.setState({serverError: err.message});
if (done) {
done();
}
}
);
}
search(term) {
clearTimeout(this.searchTimeoutId);
if (term === '') {
this.onChange(true);
this.setState({search: false});
this.searchTimeoutId = '';
return;
}
const searchTimeoutId = setTimeout(
() => {
searchMoreChannels(
term,
(channels) => {
if (searchTimeoutId !== this.searchTimeoutId) {
return;
}
this.setState({search: true, channels});
}
);
},
SEARCH_TIMEOUT_MILLISECONDS
);
this.searchTimeoutId = searchTimeoutId;
}
render() {
let serverError;
if (this.state.serverError) {
serverError = <div className='form-group has-error'><label className='control-label'>{this.state.serverError}</label></div>;
}
let createNewChannelButton = (
<button
type='button'
className='btn btn-primary channel-create-btn'
onClick={this.props.handleNewChannel}
>
<FormattedMessage
id='more_channels.create'
defaultMessage='Create New Channel'
/>
</button>
);
let createChannelHelpText = (
<p className='secondary-message'>
<FormattedMessage
id='more_channels.createClick'
defaultMessage="Click 'Create New Channel' to make a new one"
/>
</p>
);
const isAdmin = TeamStore.isTeamAdminForCurrentTeam() || UserStore.isSystemAdminForCurrentUser();
const isSystemAdmin = UserStore.isSystemAdminForCurrentUser();
if (!showCreateOption(Constants.OPEN_CHANNEL, isAdmin, isSystemAdmin)) {
createNewChannelButton = null;
createChannelHelpText = null;
}
return (
<Modal
dialogClassName='more-modal more-modal--action'
show={this.state.show}
onHide={this.handleHide}
onExited={this.handleExit}
>
<Modal.Header closeButton={true}>
<Modal.Title>
<FormattedMessage
id='more_channels.title'
defaultMessage='More Channels'
/>
</Modal.Title>
{createNewChannelButton}
</Modal.Header>
<Modal.Body>
<SearchableChannelList
channels={this.state.channels}
channelsPerPage={CHANNELS_PER_PAGE}
nextPage={this.nextPage}
search={this.search}
handleJoin={this.handleJoin}
noResultsText={createChannelHelpText}
/>
{serverError}
</Modal.Body>
</Modal>
);
}
}
MoreChannels.propTypes = {
onModalDismissed: React.PropTypes.func,
handleNewChannel: React.PropTypes.func
};
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