Files
mattermost-mobile/app/screens/create_direct_message/create_direct_message.tsx
2022-11-19 07:26:32 -06:00

394 lines
13 KiB
TypeScript

// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
// See LICENSE.txt for license information.
import React, {useCallback, useEffect, useMemo, useReducer, useRef, useState} from 'react';
import {useIntl} from 'react-intl';
import {Keyboard, Platform, View} from 'react-native';
import {SafeAreaView} from 'react-native-safe-area-context';
import {makeDirectChannel, makeGroupChannel} from '@actions/remote/channel';
import {fetchProfiles, fetchProfilesInTeam, searchProfiles} from '@actions/remote/user';
import CompassIcon from '@components/compass_icon';
import Loading from '@components/loading';
import Search from '@components/search';
import SelectedUsers from '@components/selected_users_panel';
import UserList from '@components/user_list';
import {General} from '@constants';
import {useServerUrl} from '@context/server';
import {useTheme} from '@context/theme';
import {debounce} from '@helpers/api/general';
import useNavButtonPressed from '@hooks/navigation_button_pressed';
import {t} from '@i18n';
import {dismissModal, setButtons} from '@screens/navigation';
import {alertErrorWithFallback} from '@utils/draft';
import {changeOpacity, getKeyboardAppearanceFromTheme, makeStyleSheetFromTheme} from '@utils/theme';
import {displayUsername, filterProfilesMatchingTerm} from '@utils/user';
const START_BUTTON = 'start-conversation';
const CLOSE_BUTTON = 'close-dms';
type Props = {
componentId: string;
currentTeamId: string;
currentUserId: string;
restrictDirectMessage: boolean;
teammateNameDisplay: string;
tutorialWatched: boolean;
}
const close = () => {
Keyboard.dismiss();
dismissModal();
};
const getStyleFromTheme = makeStyleSheetFromTheme((theme) => {
return {
container: {
flex: 1,
},
searchBar: {
marginLeft: 12,
marginRight: Platform.select({ios: 4, default: 12}),
marginVertical: 12,
},
loadingContainer: {
alignItems: 'center',
backgroundColor: theme.centerChannelBg,
height: 70,
justifyContent: 'center',
},
loadingText: {
color: changeOpacity(theme.centerChannelColor, 0.6),
},
noResultContainer: {
flexGrow: 1,
flexDirection: 'row',
alignItems: 'center',
justifyContent: 'center',
},
noResultText: {
fontSize: 26,
color: changeOpacity(theme.centerChannelColor, 0.5),
},
};
});
function reduceProfiles(state: UserProfile[], action: {type: 'add'; values?: UserProfile[]}) {
if (action.type === 'add' && action.values?.length) {
return [...state, ...action.values];
}
return state;
}
export default function CreateDirectMessage({
componentId,
currentTeamId,
currentUserId,
restrictDirectMessage,
teammateNameDisplay,
tutorialWatched,
}: Props) {
const serverUrl = useServerUrl();
const theme = useTheme();
const style = getStyleFromTheme(theme);
const intl = useIntl();
const {formatMessage} = intl;
const searchTimeoutId = useRef<NodeJS.Timeout | null>(null);
const next = useRef(true);
const page = useRef(-1);
const mounted = useRef(false);
const [profiles, dispatchProfiles] = useReducer(reduceProfiles, []);
const [searchResults, setSearchResults] = useState<UserProfile[]>([]);
const [loading, setLoading] = useState(false);
const [term, setTerm] = useState('');
const [startingConversation, setStartingConversation] = useState(false);
const [selectedIds, setSelectedIds] = useState<{[id: string]: UserProfile}>({});
const selectedCount = Object.keys(selectedIds).length;
const isSearch = Boolean(term);
const loadedProfiles = ({users}: {users?: UserProfile[]}) => {
if (mounted.current) {
if (users && !users.length) {
next.current = false;
}
page.current += 1;
setLoading(false);
dispatchProfiles({type: 'add', values: users});
}
};
const clearSearch = useCallback(() => {
setTerm('');
setSearchResults([]);
}, []);
const getProfiles = useCallback(debounce(() => {
if (next.current && !loading && !term && mounted.current) {
setLoading(true);
if (restrictDirectMessage) {
fetchProfilesInTeam(serverUrl, currentTeamId, page.current + 1, General.PROFILE_CHUNK_SIZE).then(loadedProfiles);
} else {
fetchProfiles(serverUrl, page.current + 1, General.PROFILE_CHUNK_SIZE).then(loadedProfiles);
}
}
}, 100), [loading, isSearch, restrictDirectMessage, serverUrl, currentTeamId]);
const handleRemoveProfile = useCallback((id: string) => {
const newSelectedIds = Object.assign({}, selectedIds);
Reflect.deleteProperty(newSelectedIds, id);
setSelectedIds(newSelectedIds);
}, [selectedIds]);
const createDirectChannel = useCallback(async (id: string): Promise<boolean> => {
const user = selectedIds[id];
const displayName = displayUsername(user, intl.locale, teammateNameDisplay);
const result = await makeDirectChannel(serverUrl, id, displayName);
if (result.error) {
alertErrorWithFallback(
intl,
result.error,
{
id: 'mobile.open_dm.error',
defaultMessage: "We couldn't open a direct message with {displayName}. Please check your connection and try again.",
},
{
displayName,
},
);
}
return !result.error;
}, [selectedIds, intl.locale, teammateNameDisplay, serverUrl]);
const createGroupChannel = useCallback(async (ids: string[]): Promise<boolean> => {
const result = await makeGroupChannel(serverUrl, ids);
if (result.error) {
alertErrorWithFallback(
intl,
result.error,
{
id: t('mobile.open_gm.error'),
defaultMessage: "We couldn't open a group message with those users. Please check your connection and try again.",
},
);
}
return !result.error;
}, [serverUrl]);
const startConversation = useCallback(async (selectedId?: {[id: string]: boolean}) => {
if (startingConversation) {
return;
}
setStartingConversation(true);
const idsToUse = selectedId ? Object.keys(selectedId) : Object.keys(selectedIds);
let success;
if (idsToUse.length === 0) {
success = false;
} else if (idsToUse.length > 1) {
success = await createGroupChannel(idsToUse);
} else {
success = await createDirectChannel(idsToUse[0]);
}
if (success) {
close();
} else {
setStartingConversation(false);
}
}, [startingConversation, selectedIds, createGroupChannel, createDirectChannel]);
const handleSelectProfile = useCallback((user: UserProfile) => {
if (selectedIds[user.id]) {
handleRemoveProfile(user.id);
return;
}
if (user.id === currentUserId) {
const selectedId = {
[currentUserId]: true,
};
startConversation(selectedId);
} else {
const wasSelected = selectedIds[user.id];
if (!wasSelected && selectedCount >= General.MAX_USERS_IN_GM) {
return;
}
const newSelectedIds = Object.assign({}, selectedIds);
if (!wasSelected) {
newSelectedIds[user.id] = user;
}
setSelectedIds(newSelectedIds);
clearSearch();
}
}, [selectedIds, currentUserId, handleRemoveProfile, startConversation, clearSearch]);
const searchUsers = useCallback(async (searchTerm: string) => {
const lowerCasedTerm = searchTerm.toLowerCase();
setLoading(true);
let results;
if (restrictDirectMessage) {
results = await searchProfiles(serverUrl, lowerCasedTerm, {team_id: currentTeamId, allow_inactive: true});
} else {
results = await searchProfiles(serverUrl, lowerCasedTerm, {allow_inactive: true});
}
let data: UserProfile[] = [];
if (results.data) {
data = results.data;
}
setSearchResults(data);
setLoading(false);
}, [restrictDirectMessage, serverUrl, currentTeamId]);
const search = useCallback(() => {
searchUsers(term);
}, [searchUsers, term]);
const onSearch = useCallback((text: string) => {
setLoading(true);
if (text) {
setTerm(text);
if (searchTimeoutId.current) {
clearTimeout(searchTimeoutId.current);
}
searchTimeoutId.current = setTimeout(() => {
searchUsers(text);
}, General.SEARCH_TIMEOUT_MILLISECONDS);
} else {
clearSearch();
}
}, [searchUsers, clearSearch]);
const updateNavigationButtons = useCallback(async (startEnabled: boolean) => {
const closeIcon = await CompassIcon.getImageSource('close', 24, theme.sidebarHeaderTextColor);
setButtons(componentId, {
leftButtons: [{
id: CLOSE_BUTTON,
icon: closeIcon,
testID: 'close.create_direct_message.button',
}],
rightButtons: [{
color: theme.sidebarHeaderTextColor,
id: START_BUTTON,
text: formatMessage({id: 'mobile.create_direct_message.start', defaultMessage: 'Start'}),
showAsAction: 'always',
enabled: startEnabled,
testID: 'create_direct_message.start.button',
}],
});
}, [intl.locale, theme]);
useNavButtonPressed(START_BUTTON, componentId, startConversation, [startConversation]);
useNavButtonPressed(CLOSE_BUTTON, componentId, close, [close]);
useEffect(() => {
mounted.current = true;
updateNavigationButtons(false);
getProfiles();
return () => {
mounted.current = false;
};
}, []);
useEffect(() => {
const canStart = selectedCount > 0 && !startingConversation;
updateNavigationButtons(canStart);
}, [selectedCount > 0, startingConversation, updateNavigationButtons]);
const data = useMemo(() => {
if (term) {
const exactMatches: UserProfile[] = [];
const filterByTerm = (p: UserProfile) => {
if (selectedCount > 0 && p.id === currentUserId) {
return false;
}
if (p.username === term || p.username.startsWith(term)) {
exactMatches.push(p);
return false;
}
return true;
};
const results = filterProfilesMatchingTerm(searchResults, term).filter(filterByTerm);
return [...exactMatches, ...results];
}
return profiles;
}, [term, isSearch && selectedCount, isSearch && searchResults, profiles]);
if (startingConversation) {
return (
<View style={style.container}>
<Loading color={theme.centerChannelColor}/>
</View>
);
}
return (
<SafeAreaView
style={style.container}
testID='create_direct_message.screen'
>
<View style={style.searchBar}>
<Search
testID='create_direct_message.search_bar'
placeholder={intl.formatMessage({id: 'search_bar.search', defaultMessage: 'Search'})}
cancelButtonTitle={intl.formatMessage({id: 'mobile.post.cancel', defaultMessage: 'Cancel'})}
placeholderTextColor={changeOpacity(theme.centerChannelColor, 0.5)}
onChangeText={onSearch}
onSubmitEditing={search}
onCancel={clearSearch}
autoCapitalize='none'
keyboardAppearance={getKeyboardAppearanceFromTheme(theme)}
value={term}
/>
</View>
{selectedCount > 0 &&
<SelectedUsers
selectedIds={selectedIds}
warnCount={General.MAX_USERS_IN_GM - 2}
maxCount={General.MAX_USERS_IN_GM}
onRemove={handleRemoveProfile}
teammateNameDisplay={teammateNameDisplay}
/>
}
<UserList
currentUserId={currentUserId}
handleSelectProfile={handleSelectProfile}
loading={loading}
profiles={data}
selectedIds={selectedIds}
showNoResults={!loading && page.current !== -1}
teammateNameDisplay={teammateNameDisplay}
fetchMore={getProfiles}
term={term}
testID='create_direct_message.user_list'
tutorialWatched={tutorialWatched}
/>
</SafeAreaView>
);
}