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// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
// See License.txt for license information.
import Suggestion from './suggestion.jsx';
import Provider from './provider.jsx';
import {autocompleteChannels} from 'actions/channel_actions.jsx';
import ChannelStore from 'stores/channel_store.jsx';
import AppDispatcher from 'dispatcher/app_dispatcher.jsx';
import {Constants, ActionTypes} from 'utils/constants.jsx';
import React from 'react';
class ChannelMentionSuggestion extends Suggestion {
render() {
const isSelection = this.props.isSelection;
const item = this.props.item;
const channelName = item.channel.display_name;
const purpose = item.channel.purpose;
let className = 'mentions__name';
if (isSelection) {
className += ' suggestion--selected';
}
const description = '(~' + item.channel.name + ')';
return (
<div
className={className}
onClick={this.handleClick}
>
<div className='mention__align'>
<span>
{channelName}
</span>
<span className='mention__channelname'>
{' '}
{description}
</span>
</div>
<div className='mention__purpose'>
{purpose}
</div>
</div>
);
}
}
export default class ChannelMentionProvider extends Provider {
constructor() {
super();
this.lastCompletedWord = '';
}
handlePretextChanged(suggestionId, pretext) {
const captured = (/(^|\s)(~([^~\r\n]*))$/i).exec(pretext.toLowerCase());
if (!captured) {
// Not a channel mention
return false;
}
if (this.lastCompletedWord && captured[0].startsWith(this.lastCompletedWord)) {
// It appears we're still matching a channel handle that we already completed
return false;
}
// Clear the last completed word since we've started to match new text
this.lastCompletedWord = '';
const prefix = captured[3];
this.startNewRequest(prefix);
autocompleteChannels(
prefix,
(data) => {
if (this.shouldCancelDispatch(prefix)) {
return;
}
const channels = data;
// Wrap channels in an outer object to avoid overwriting the 'type' property.
const wrappedChannels = [];
const wrappedMoreChannels = [];
const moreChannels = [];
channels.forEach((item) => {
if (ChannelStore.get(item.id)) {
wrappedChannels.push({
type: Constants.MENTION_CHANNELS,
channel: item
});
return;
}
wrappedMoreChannels.push({
type: Constants.MENTION_MORE_CHANNELS,
channel: item
});
moreChannels.push(item);
});
const wrapped = wrappedChannels.concat(wrappedMoreChannels);
const mentions = wrapped.map((item) => '~' + item.channel.name);
AppDispatcher.handleServerAction({
type: ActionTypes.RECEIVED_MORE_CHANNELS,
channels: moreChannels
});
AppDispatcher.handleServerAction({
type: ActionTypes.SUGGESTION_RECEIVED_SUGGESTIONS,
id: suggestionId,
matchedPretext: captured[2],
terms: mentions,
items: wrapped,
component: ChannelMentionSuggestion
});
}
);
return true;
}
handleCompleteWord(term) {
this.lastCompletedWord = term;
}
}
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