mattermost-mobile/app/components/channel_item/index.ts
2022-05-04 09:55:51 -04:00

100 lines
3.5 KiB
TypeScript

// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
// See LICENSE.txt for license information.
import {withDatabase} from '@nozbe/watermelondb/DatabaseProvider';
import withObservables from '@nozbe/with-observables';
import React from 'react';
import {of as of$, combineLatest} from 'rxjs';
import {switchMap, distinctUntilChanged} from 'rxjs/operators';
import {General, Preferences} from '@constants';
import {getPreferenceAsBool} from '@helpers/api/preference';
import {observeMyChannel} from '@queries/servers/channel';
import {queryDraft} from '@queries/servers/drafts';
import {queryPreferencesByCategoryAndName} from '@queries/servers/preference';
import {observeCurrentChannelId, observeCurrentUserId} from '@queries/servers/system';
import ChannelModel from '@typings/database/models/servers/channel';
import MyChannelModel from '@typings/database/models/servers/my_channel';
import ChannelItem from './channel_item';
import type {WithDatabaseArgs} from '@typings/database/database';
import type PreferenceModel from '@typings/database/models/servers/preference';
type EnhanceProps = WithDatabaseArgs & {
channel: ChannelModel;
isInfo?: boolean;
isUnreads?: boolean;
showTeamName?: boolean;
}
const observeIsMutedSetting = (mc: MyChannelModel) => mc.settings.observe().pipe(switchMap((s) => of$(s?.notifyProps?.mark_unread === 'mention')));
const enhance = withObservables(['channel', 'isUnreads', 'showTeamName'], ({channel, database, isInfo, isUnreads, showTeamName}: EnhanceProps) => {
const currentUserId = observeCurrentUserId(database);
const myChannel = observeMyChannel(database, channel.id);
const hasDraft = queryDraft(database, channel.id).observeWithColumns(['message', 'files']).pipe(
switchMap((draft) => of$(draft.length > 0)),
);
const isActive = observeCurrentChannelId(database).pipe(switchMap((id) => of$(id ? id === channel.id : false)), distinctUntilChanged());
const unreadsOnTop = queryPreferencesByCategoryAndName(database, Preferences.CATEGORY_SIDEBAR_SETTINGS, Preferences.CHANNEL_SIDEBAR_GROUP_UNREADS).
observeWithColumns(['value']).
pipe(
switchMap((prefs: PreferenceModel[]) => of$(getPreferenceAsBool(prefs, Preferences.CATEGORY_SIDEBAR_SETTINGS, Preferences.CHANNEL_SIDEBAR_GROUP_UNREADS, false))),
);
const isVisible = combineLatest([myChannel, unreadsOnTop]).pipe(
switchMap(([mc, u]) => {
if (!mc) {
return of$(false);
}
if (isInfo) {
return of$(true);
}
if (isUnreads) {
return of$(u);
}
return u ? of$(!mc.isUnread || !mc.mentionsCount) : of$(true);
}),
);
const isMuted = myChannel.pipe(
switchMap((mc) => {
if (!mc) {
return of$(false);
}
return observeIsMutedSetting(mc);
}),
);
let teamDisplayName = of$('');
if (channel.teamId && showTeamName) {
teamDisplayName = channel.team.observe().pipe(
switchMap((team) => of$(team?.displayName || '')),
);
}
let membersCount = of$(0);
if (channel.type === General.GM_CHANNEL) {
membersCount = channel.members.observeCount();
}
return {
channel: channel.observe(),
currentUserId,
hasDraft,
isActive,
isMuted,
isVisible,
membersCount,
myChannel,
teamDisplayName,
};
});
export default React.memo(withDatabase(enhance(ChannelItem)));