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// Copyright (c) 2015 Mattermost, Inc. All Rights Reserved.
// See License.txt for license information.
import React from 'react';
import SuggestionStore from 'stores/suggestion_store.jsx';
import ChannelStore from 'stores/channel_store.jsx';
import UserStore from 'stores/user_store.jsx';
import * as Utils from 'utils/utils.jsx';
import Client from 'client/web_client.jsx';
import Constants from 'utils/constants.jsx';
import {FormattedMessage} from 'react-intl';
import Suggestion from './suggestion.jsx';
const MaxUserSuggestions = 40;
class AtMentionSuggestion extends Suggestion {
render() {
const isSelection = this.props.isSelection;
const user = this.props.item;
let username;
let description;
let icon;
if (user.username === 'all') {
username = 'all';
description = (
<FormattedMessage
id='suggestion.mention.all'
defaultMessage='Notifies everyone in the channel, use in {townsquare} to notify the whole team'
values={{
townsquare: ChannelStore.getByName('town-square').display_name
}}
/>
);
icon = <i className='mention__image fa fa-users fa-2x'/>;
} else if (user.username === 'channel') {
username = 'channel';
description = (
<FormattedMessage
id='suggestion.mention.channel'
defaultMessage='Notifies everyone in the channel'
/>
);
icon = <i className='mention__image fa fa-users fa-2x'/>;
} else if (user.username === 'here') {
username = 'here';
description = (
<FormattedMessage
id='suggestion.mention.here'
defaultMessage='Notifies everyone in the channel and online'
/>
);
icon = <i className='mention__image fa fa-users fa-2x'/>;
} else {
username = user.username;
if ((user.first_name || user.last_name) && user.nickname) {
description = `- ${Utils.getFullName(user)} (${user.nickname})`;
} else if (user.nickname) {
description = `- (${user.nickname})`;
} else if (user.first_name || user.last_name) {
description = `- ${Utils.getFullName(user)}`;
}
icon = (
<img
className='mention__image'
src={Client.getUsersRoute() + '/' + user.id + '/image?time=' + user.update_at}
/>
);
}
let className = 'mentions__name';
if (isSelection) {
className += ' suggestion--selected';
}
return (
<div
className={className}
onClick={this.handleClick}
>
<div className='pull-left'>
{icon}
</div>
<div className='pull-left mention--align'>
<span>
{'@' + username}
</span>
<span className='mention__fullname'>
{' '}
{description}
</span>
</div>
</div>
);
}
}
function filterUsersByPrefix(users, prefix, limit) {
const filtered = [];
for (const id of Object.keys(users)) {
if (filtered.length >= limit) {
break;
}
const user = users[id];
if (user.delete_at > 0) {
continue;
}
if (user.username.startsWith(prefix) ||
(user.first_name && user.first_name.toLowerCase().startsWith(prefix)) ||
(user.last_name && user.last_name.toLowerCase().startsWith(prefix)) ||
(user.nickname && user.nickname.toLowerCase().startsWith(prefix))) {
filtered.push(user);
}
}
return filtered;
}
export default class AtMentionProvider {
handlePretextChanged(suggestionId, pretext) {
const captured = (/@([a-z0-9\-\._]*)$/i).exec(pretext.toLowerCase());
if (captured) {
const prefix = captured[1];
// Group users into members and nonmembers of the channel.
const users = UserStore.getActiveOnlyProfiles(true);
const channelMembers = {};
const extra = ChannelStore.getCurrentExtraInfo();
for (let i = 0; i < extra.members.length; i++) {
const id = extra.members[i].id;
if (users[id]) {
channelMembers[id] = users[id];
Reflect.deleteProperty(users, id);
}
}
const channelNonmembers = users;
// Filter users by prefix.
const filteredMembers = filterUsersByPrefix(
channelMembers, prefix, MaxUserSuggestions);
const filteredNonmembers = filterUsersByPrefix(
channelNonmembers, prefix, MaxUserSuggestions - filteredMembers.length);
let filteredSpecialMentions = [];
if (!pretext.startsWith('/msg')) {
filteredSpecialMentions = ['here', 'channel', 'all'].filter((item) => {
return item.startsWith(prefix);
}).map((name) => {
return {username: name};
});
}
// Sort users by username.
[filteredMembers, filteredNonmembers].forEach((items) => {
items.sort((a, b) => {
const aPrefix = a.username.startsWith(prefix);
const bPrefix = b.username.startsWith(prefix);
if (aPrefix === bPrefix) {
return a.username.localeCompare(b.username);
} else if (aPrefix) {
return -1;
}
return 1;
});
});
filteredMembers.forEach((item) => {
item.type = Constants.MENTION_MEMBERS;
});
filteredNonmembers.forEach((item) => {
item.type = Constants.MENTION_NONMEMBERS;
});
filteredSpecialMentions.forEach((item) => {
item.type = Constants.MENTION_SPECIAL;
});
const filtered = filteredMembers.concat(filteredSpecialMentions).concat(filteredNonmembers);
const mentions = filtered.map((user) => '@' + user.username);
SuggestionStore.addSuggestions(suggestionId, mentions, filtered, AtMentionSuggestion, captured[0]);
}
}
}
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