mattermost-mobile/app/mm-redux/utils/channel_utils.ts
Mattermost Build c15bb73d45
Don't pre-fetch posts for unread archived channels (#4176)
Co-authored-by: Miguel Alatzar <this.migbot@gmail.com>
2020-04-17 21:46:35 -07:00

738 lines
27 KiB
TypeScript

// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
// See LICENSE.txt for license information.
import {General, Preferences, Permissions, Users} from '../constants';
import {hasNewPermissions} from '@mm-redux/selectors/entities/general';
import {haveITeamPermission, haveIChannelPermission} from '@mm-redux/selectors/entities/roles';
import {Channel, ChannelMembership, ChannelType, ChannelNotifyProps} from '@mm-redux/types/channels';
import {Post} from '@mm-redux/types/posts';
import {UserProfile, UsersState, UserNotifyProps} from '@mm-redux/types/users';
import {GlobalState} from '@mm-redux/types/store';
import {TeamMembership} from '@mm-redux/types/teams';
import {PreferenceType} from '@mm-redux/types/preferences';
import {RelationOneToOne, IDMappedObjects} from '@mm-redux/types/utilities';
import {getPreferenceKey, getPreferencesByCategory} from './preference_utils';
import {displayUsername} from './user_utils';
const channelTypeOrder = {
[General.OPEN_CHANNEL]: 0,
[General.PRIVATE_CHANNEL]: 1,
[General.DM_CHANNEL]: 2,
[General.GM_CHANNEL]: 2,
};
/**
* Returns list of sorted channels grouped by type. Favorites here is considered as separated type.
*
* Example: {
* publicChannels: [...],
* privateChannels: [...],
* directAndGroupChannels: [...],
* favoriteChannels: [...]
* }
*/
export function buildDisplayableChannelListWithUnreadSection(usersState: UsersState, myChannels: Array<Channel>, myMembers: RelationOneToOne<Channel, ChannelMembership>, config: any, myPreferences: {
[x: string]: PreferenceType;
}, teammateNameDisplay: string, lastPosts: RelationOneToOne<Channel, Post>) {
const {
currentUserId,
profiles,
} = usersState;
const locale = getUserLocale(currentUserId, profiles);
const missingDirectChannels = createMissingDirectChannels(currentUserId, myChannels, myPreferences);
const channels = buildChannels(usersState, myChannels, missingDirectChannels, teammateNameDisplay, locale);
const unreadChannels = [...buildChannelsWithMentions(channels, myMembers, locale), ...buildUnreadChannels(channels, myMembers, locale)];
const notUnreadChannels = channels.filter((channel: Channel) => !isUnreadChannel(myMembers, channel));
const favoriteChannels = buildFavoriteChannels(notUnreadChannels, myPreferences, locale);
const notFavoriteChannels = buildNotFavoriteChannels(notUnreadChannels, myPreferences);
const directAndGroupChannels = buildDirectAndGroupChannels(notFavoriteChannels, myMembers, config, myPreferences, currentUserId, profiles, lastPosts);
return {
unreadChannels,
favoriteChannels,
publicChannels: (notFavoriteChannels.filter(isOpenChannel) as Array<Channel>),
privateChannels: (notFavoriteChannels.filter(isPrivateChannel) as Array<Channel>),
directAndGroupChannels,
};
}
export function completeDirectChannelInfo(usersState: UsersState, teammateNameDisplay: string, channel: Channel): Channel {
if (isDirectChannel(channel)) {
const teammateId = getUserIdFromChannelName(usersState.currentUserId, channel.name);
// return empty string instead of `someone` default string for display_name
return {
...channel,
display_name: displayUsername(usersState.profiles[teammateId], teammateNameDisplay, false),
teammate_id: teammateId,
status: usersState.statuses[teammateId] || 'offline',
};
} else if (isGroupChannel(channel)) {
return completeDirectGroupInfo(usersState, teammateNameDisplay, channel);
}
return channel;
}
export function completeDirectChannelDisplayName(currentUserId: string, profiles: IDMappedObjects<UserProfile>, userIdsInChannel: Set<string>, teammateNameDisplay: string, channel: Channel): Channel {
if (isDirectChannel(channel)) {
const dmChannelClone = {...channel};
const teammateId = getUserIdFromChannelName(currentUserId, channel.name);
return Object.assign(dmChannelClone, {display_name: displayUsername(profiles[teammateId], teammateNameDisplay)});
} else if (isGroupChannel(channel) && userIdsInChannel && userIdsInChannel.size > 0) {
const displayName = getGroupDisplayNameFromUserIds(Array.from(userIdsInChannel), profiles, currentUserId, teammateNameDisplay);
return {...channel, display_name: displayName};
}
return channel;
}
export function cleanUpUrlable(input: string): string {
let cleaned = input.trim().replace(/-/g, ' ').replace(/[^\w\s]/gi, '').toLowerCase().replace(/\s/g, '-');
cleaned = cleaned.replace(/-{2,}/, '-');
cleaned = cleaned.replace(/^-+/, '');
cleaned = cleaned.replace(/-+$/, '');
return cleaned;
}
export function getChannelByName(channels: IDMappedObjects<Channel>, name: string): Channel | undefined | null {
const channelIds = Object.keys(channels);
for (let i = 0; i < channelIds.length; i++) {
const id = channelIds[i];
if (channels[id].name === name) {
return channels[id];
}
}
return null;
}
export function getDirectChannelName(id: string, otherId: string): string {
let handle;
if (otherId > id) {
handle = id + '__' + otherId;
} else {
handle = otherId + '__' + id;
}
return handle;
}
export function getUserIdFromChannelName(userId: string, channelName: string): string {
const ids = channelName.split('__');
let otherUserId = '';
if (ids[0] === userId) {
otherUserId = ids[1];
} else {
otherUserId = ids[0];
}
return otherUserId;
}
export function isAutoClosed(
config: any,
myPreferences: {
[x: string]: PreferenceType;
},
channel: Channel,
channelActivity: number,
channelArchiveTime: number,
currentChannelId = '',
now = Date.now(),
): boolean {
const cutoff = now - (7 * 24 * 60 * 60 * 1000);
const viewTimePref = myPreferences[`${Preferences.CATEGORY_CHANNEL_APPROXIMATE_VIEW_TIME}--${channel.id}`];
const viewTime = viewTimePref ? parseInt(viewTimePref.value!, 10) : 0;
// Note that viewTime is not set correctly at the time of writing
if (viewTime > cutoff) {
return false;
}
const openTimePref = myPreferences[`${Preferences.CATEGORY_CHANNEL_OPEN_TIME}--${channel.id}`];
const openTime = openTimePref ? parseInt(openTimePref.value!, 10) : 0;
// Only close archived channels when not being viewed
if (channel.id !== currentChannelId && channelArchiveTime && channelArchiveTime > openTime) {
return true;
}
if (config.CloseUnusedDirectMessages !== 'true' || isFavoriteChannel(myPreferences, channel.id)) {
return false;
}
const autoClose = myPreferences[getPreferenceKey(Preferences.CATEGORY_SIDEBAR_SETTINGS, Preferences.CHANNEL_SIDEBAR_AUTOCLOSE_DMS)];
if (!autoClose || autoClose.value === Preferences.AUTOCLOSE_DMS_ENABLED) {
if (channelActivity && channelActivity > cutoff) {
return false;
}
if (openTime > cutoff) {
return false;
}
const lastActivity = channel.last_post_at;
return !lastActivity || lastActivity < cutoff;
}
return false;
}
export function isDirectChannel(channel: Channel): boolean {
return channel.type === General.DM_CHANNEL;
}
export function isDirectChannelVisible(
otherUserOrOtherUserId: UserProfile | string,
config: any,
myPreferences: {
[x: string]: PreferenceType;
},
channel: Channel,
lastPost?: Post | null,
isUnread?: boolean,
currentChannelId = '',
now?: number,
): boolean {
const otherUser = typeof otherUserOrOtherUserId === 'object' ? otherUserOrOtherUserId : null;
const otherUserId = typeof otherUserOrOtherUserId === 'object' ? otherUserOrOtherUserId.id : otherUserOrOtherUserId;
const dm = myPreferences[`${Preferences.CATEGORY_DIRECT_CHANNEL_SHOW}--${otherUserId}`];
if (!dm || dm.value !== 'true') {
return false;
}
return isUnread || !isAutoClosed(
config,
myPreferences,
channel,
lastPost ? lastPost.create_at : 0,
otherUser ? otherUser.delete_at : 0,
currentChannelId,
now,
);
}
export function isGroupChannel(channel: Channel): boolean {
return channel.type === General.GM_CHANNEL;
}
export function isGroupChannelVisible(
config: any,
myPreferences: {
[x: string]: PreferenceType;
},
channel: Channel,
lastPost?: Post,
isUnread?: boolean,
now?: number,
): boolean {
const gm = myPreferences[`${Preferences.CATEGORY_GROUP_CHANNEL_SHOW}--${channel.id}`];
if (!gm || gm.value !== 'true') {
return false;
}
return isUnread || !isAutoClosed(
config,
myPreferences,
channel,
lastPost ? lastPost.create_at : 0,
0,
'',
now,
);
}
export function isGroupOrDirectChannelVisible(
channel: Channel,
memberships: RelationOneToOne<Channel, ChannelMembership>,
config: any,
myPreferences: {
[x: string]: PreferenceType;
},
currentUserId: string,
users: IDMappedObjects<UserProfile>,
lastPosts: RelationOneToOne<Channel, Post>,
currentChannelId?: string,
now?: number,
): boolean {
const lastPost = lastPosts[channel.id];
if (isGroupChannel(channel) && isGroupChannelVisible(config, myPreferences, channel, lastPost, isUnreadChannel(memberships, channel), now)) {
return true;
}
if (!isDirectChannel(channel)) {
return false;
}
const otherUserId = getUserIdFromChannelName(currentUserId, channel.name);
return isDirectChannelVisible(
users[otherUserId] || otherUserId,
config,
myPreferences,
channel,
lastPost,
isUnreadChannel(memberships, channel),
currentChannelId,
now,
);
}
export function showCreateOption(state: GlobalState, config: any, license: any, teamId: string, channelType: ChannelType, isAdmin: boolean, isSystemAdmin: boolean): boolean {
if (hasNewPermissions(state)) {
if (channelType === General.OPEN_CHANNEL) {
return haveITeamPermission(state, {team: teamId, permission: Permissions.CREATE_PUBLIC_CHANNEL});
} else if (channelType === General.PRIVATE_CHANNEL) {
return haveITeamPermission(state, {team: teamId, permission: Permissions.CREATE_PRIVATE_CHANNEL});
}
return true;
}
if (license.IsLicensed !== 'true') {
return true;
}
// Backwards compatibility with pre-advanced permissions config settings.
if (channelType === General.OPEN_CHANNEL) {
if (config.RestrictPublicChannelCreation === General.SYSTEM_ADMIN_ROLE && !isSystemAdmin) {
return false;
} else if (config.RestrictPublicChannelCreation === General.TEAM_ADMIN_ROLE && !isAdmin) {
return false;
}
} else if (channelType === General.PRIVATE_CHANNEL) {
if (config.RestrictPrivateChannelCreation === General.SYSTEM_ADMIN_ROLE && !isSystemAdmin) {
return false;
} else if (config.RestrictPrivateChannelCreation === General.TEAM_ADMIN_ROLE && !isAdmin) {
return false;
}
}
return true;
}
export function showManagementOptions(state: GlobalState, config: any, license: any, channel: Channel, isAdmin: boolean, isSystemAdmin: boolean, isChannelAdmin: boolean): boolean {
if (hasNewPermissions(state)) {
if (channel.type === General.OPEN_CHANNEL) {
return haveIChannelPermission(state, {channel: channel.id, team: channel.team_id, permission: Permissions.MANAGE_PUBLIC_CHANNEL_PROPERTIES});
} else if (channel.type === General.PRIVATE_CHANNEL) {
return haveIChannelPermission(state, {channel: channel.id, team: channel.team_id, permission: Permissions.MANAGE_PRIVATE_CHANNEL_PROPERTIES});
}
return true;
}
if (license.IsLicensed !== 'true') {
return true;
}
// Backwards compatibility with pre-advanced permissions config settings.
if (channel.type === General.OPEN_CHANNEL) {
if (config.RestrictPublicChannelManagement === General.SYSTEM_ADMIN_ROLE && !isSystemAdmin) {
return false;
}
if (config.RestrictPublicChannelManagement === General.TEAM_ADMIN_ROLE && !isAdmin) {
return false;
}
if (config.RestrictPublicChannelManagement === General.CHANNEL_ADMIN_ROLE && !isChannelAdmin && !isAdmin) {
return false;
}
} else if (channel.type === General.PRIVATE_CHANNEL) {
if (config.RestrictPrivateChannelManagement === General.SYSTEM_ADMIN_ROLE && !isSystemAdmin) {
return false;
}
if (config.RestrictPrivateChannelManagement === General.TEAM_ADMIN_ROLE && !isAdmin) {
return false;
}
if (config.RestrictPrivateChannelManagement === General.CHANNEL_ADMIN_ROLE && !isChannelAdmin && !isAdmin) {
return false;
}
}
return true;
}
export function showDeleteOption(state: GlobalState, config: any, license: any, channel: Channel, isAdmin: boolean, isSystemAdmin: boolean, isChannelAdmin: boolean): boolean {
if (hasNewPermissions(state)) {
if (channel.type === General.OPEN_CHANNEL) {
return haveIChannelPermission(state, {channel: channel.id, team: channel.team_id, permission: Permissions.DELETE_PUBLIC_CHANNEL});
} else if (channel.type === General.PRIVATE_CHANNEL) {
return haveIChannelPermission(state, {channel: channel.id, team: channel.team_id, permission: Permissions.DELETE_PRIVATE_CHANNEL});
}
return true;
}
if (license.IsLicensed !== 'true') {
return true;
}
// Backwards compatibility with pre-advanced permissions config settings.
if (channel.type === General.OPEN_CHANNEL) {
if (config.RestrictPublicChannelDeletion === General.SYSTEM_ADMIN_ROLE && !isSystemAdmin) {
return false;
}
if (config.RestrictPublicChannelDeletion === General.TEAM_ADMIN_ROLE && !isAdmin) {
return false;
}
if (config.RestrictPublicChannelDeletion === General.CHANNEL_ADMIN_ROLE && !isChannelAdmin && !isAdmin) {
return false;
}
} else if (channel.type === General.PRIVATE_CHANNEL) {
if (config.RestrictPrivateChannelDeletion === General.SYSTEM_ADMIN_ROLE && !isSystemAdmin) {
return false;
}
if (config.RestrictPrivateChannelDeletion === General.TEAM_ADMIN_ROLE && !isAdmin) {
return false;
}
if (config.RestrictPrivateChannelDeletion === General.CHANNEL_ADMIN_ROLE && !isChannelAdmin && !isAdmin) {
return false;
}
}
return true;
}
// Backwards compatibility with pre-advanced permissions config settings.
export function canManageMembersOldPermissions(channel: Channel, user: UserProfile, teamMember: TeamMembership, channelMember: ChannelMembership, config: any, license: any): boolean {
if (channel.type === General.DM_CHANNEL ||
channel.type === General.GM_CHANNEL ||
channel.name === General.DEFAULT_CHANNEL) {
return false;
}
if (license.IsLicensed !== 'true') {
return true;
}
if (channel.type === General.PRIVATE_CHANNEL) {
const isSystemAdmin = user.roles.includes(General.SYSTEM_ADMIN_ROLE);
if (config.RestrictPrivateChannelManageMembers === General.PERMISSIONS_SYSTEM_ADMIN && !isSystemAdmin) {
return false;
}
const isTeamAdmin = teamMember.roles.includes(General.TEAM_ADMIN_ROLE);
if (config.RestrictPrivateChannelManageMembers === General.PERMISSIONS_TEAM_ADMIN && !isTeamAdmin && !isSystemAdmin) {
return false;
}
const isChannelAdmin = channelMember.roles.includes(General.CHANNEL_ADMIN_ROLE);
if (config.RestrictPrivateChannelManageMembers === General.PERMISSIONS_CHANNEL_ADMIN && !isChannelAdmin && !isTeamAdmin && !isSystemAdmin) {
return false;
}
}
return true;
}
export function getChannelsIdForTeam(state: GlobalState, teamId: string): Array<string> {
const {channels} = state.entities.channels;
return Object.keys(channels).map((key) => channels[key]).reduce((res, channel: Channel) => {
if (channel.team_id === teamId) {
res.push(channel.id);
}
return res;
}, [] as string[]);
}
export function getGroupDisplayNameFromUserIds(userIds: Array<string>, profiles: IDMappedObjects<UserProfile>, currentUserId: string, teammateNameDisplay: string): string {
const names: string[] = [];
userIds.forEach((id) => {
if (id !== currentUserId) {
names.push(displayUsername(profiles[id], teammateNameDisplay));
}
});
function sortUsernames(a: string, b: string) {
const locale = getUserLocale(currentUserId, profiles);
return a.localeCompare(b, locale, {numeric: true});
}
return names.sort(sortUsernames).join(', ');
}
export function isFavoriteChannel(myPreferences: {
[x: string]: PreferenceType;
}, id: string) {
const fav = myPreferences[`${Preferences.CATEGORY_FAVORITE_CHANNEL}--${id}`];
return fav ? fav.value === 'true' : false;
}
export function isDefault(channel: Channel): boolean {
return channel.name === General.DEFAULT_CHANNEL;
}
//====================================================
function createFakeChannel(userId: string, otherUserId: string): Channel {
return {
name: getDirectChannelName(userId, otherUserId),
create_at: 0,
update_at: 0,
delete_at: 0,
extra_update_at: 0,
last_post_at: 0,
total_msg_count: 0,
type: General.DM_CHANNEL as ChannelType,
fake: true,
team_id: '',
scheme_id: '',
purpose: '',
header: '',
id: '',
display_name: '',
creator_id: '',
group_constrained: false,
};
}
function createFakeChannelCurried(userId: string): (a: string) => Channel {
return (otherUserId) => createFakeChannel(userId, otherUserId);
}
function createMissingDirectChannels(currentUserId: string, allChannels: Array<Channel>, myPreferences: {
[x: string]: PreferenceType;
}): Array<Channel> {
const directChannelsDisplayPreferences = getPreferencesByCategory(myPreferences, Preferences.CATEGORY_DIRECT_CHANNEL_SHOW);
return Array.
from(directChannelsDisplayPreferences).
filter((entry) => entry[1] === 'true').
map((entry) => entry[0]).
filter((teammateId) => !allChannels.some(isDirectChannelForUser.bind(null, currentUserId, teammateId))).
map(createFakeChannelCurried(currentUserId));
}
function completeDirectGroupInfo(usersState: UsersState, teammateNameDisplay: string, channel: Channel) {
const {currentUserId, profiles, profilesInChannel} = usersState;
const profilesIds = profilesInChannel[channel.id];
const gm = {...channel};
if (profilesIds) {
gm.display_name = getGroupDisplayNameFromUserIds(profilesIds, profiles, currentUserId, teammateNameDisplay);
return gm;
}
const usernames = gm.display_name.split(', ');
const users = Object.keys(profiles).map((key) => profiles[key]);
const userIds: string[] = [];
usernames.forEach((username: string) => {
const u = users.find((p): boolean => p.username === username);
if (u) {
userIds.push(u.id);
}
});
if (usernames.length === userIds.length) {
gm.display_name = getGroupDisplayNameFromUserIds(userIds, profiles, currentUserId, teammateNameDisplay);
return gm;
}
return channel;
}
function isDirectChannelForUser(userId: string, otherUserId: string, channel: Channel) {
return channel.type === General.DM_CHANNEL && getUserIdFromChannelName(userId, channel.name) === otherUserId;
}
function channelHasMentions(members: RelationOneToOne<Channel, ChannelMembership>, channel: Channel) {
const member = members[channel.id];
if (member) {
return member.mention_count > 0;
}
return false;
}
function channelHasUnreadMessages(members: RelationOneToOne<Channel, ChannelMembership>, channel: Channel): boolean {
const member = members[channel.id];
if (member) {
const msgCount = channel.total_msg_count - member.msg_count;
const onlyMentions = member.notify_props && member.notify_props.mark_unread === General.MENTION;
return (Boolean(msgCount) && !onlyMentions && member.mention_count === 0);
}
return false;
}
export function isUnreadChannel(members: RelationOneToOne<Channel, ChannelMembership>, channel: Channel): boolean {
const member = members[channel.id];
if (member) {
const msgCount = channel.total_msg_count - member.msg_count;
const onlyMentions = member.notify_props && member.notify_props.mark_unread === General.MENTION;
return (member.mention_count > 0 || (Boolean(msgCount) && !onlyMentions));
}
return false;
}
function isNotDeletedChannel(channel: Channel) {
return channel.delete_at === 0;
}
export function isArchivedChannel(channel: Channel) {
return channel.delete_at !== 0;
}
export function isOpenChannel(channel: Channel): boolean {
return channel.type === General.OPEN_CHANNEL;
}
export function isPrivateChannel(channel: Channel): boolean {
return channel.type === General.PRIVATE_CHANNEL;
}
export function sortChannelsByTypeAndDisplayName(locale: string, a: Channel, b: Channel): number {
if (channelTypeOrder[a.type] !== channelTypeOrder[b.type]) {
if (channelTypeOrder[a.type] < channelTypeOrder[b.type]) {
return -1;
}
return 1;
}
const aDisplayName = filterName(a.display_name);
const bDisplayName = filterName(b.display_name);
if (aDisplayName !== bDisplayName) {
return aDisplayName.toLowerCase().localeCompare(bDisplayName.toLowerCase(), locale, {numeric: true});
}
return a.name.toLowerCase().localeCompare(b.name.toLowerCase(), locale, {numeric: true});
}
function filterName(name: string): string {
return name.replace(/[.,'"\/#!$%\^&\*;:{}=\-_`~()]/g, ''); // eslint-disable-line no-useless-escape
}
export function sortChannelsByDisplayName(locale: string, a: Channel, b: Channel): number {
// if both channels have the display_name defined
if (a.display_name && b.display_name && a.display_name !== b.display_name) {
return a.display_name.toLowerCase().localeCompare(b.display_name.toLowerCase(), locale, {numeric: true});
}
return a.name.toLowerCase().localeCompare(b.name.toLowerCase(), locale, {numeric: true});
}
export function sortChannelsByDisplayNameAndMuted(locale: string, members: RelationOneToOne<Channel, ChannelMembership>, a: Channel, b: Channel): number {
const aMember = members[a.id];
const bMember = members[b.id];
if (isChannelMuted(bMember) === isChannelMuted(aMember)) {
return sortChannelsByDisplayName(locale, a, b);
}
if (!isChannelMuted(bMember) && isChannelMuted(aMember)) {
return 1;
}
return -1;
}
export function sortChannelsByRecency(lastPosts: RelationOneToOne<Channel, Post>, a: Channel, b: Channel): number {
let aLastPostAt = a.last_post_at;
if (lastPosts[a.id] && lastPosts[a.id].create_at > a.last_post_at) {
aLastPostAt = lastPosts[a.id].create_at;
}
let bLastPostAt = b.last_post_at;
if (lastPosts[b.id] && lastPosts[b.id].create_at > b.last_post_at) {
bLastPostAt = lastPosts[b.id].create_at;
}
return bLastPostAt - aLastPostAt;
}
export function isChannelMuted(member: ChannelMembership): boolean {
return member && member.notify_props ? (member.notify_props.mark_unread === 'mention') : false;
}
export function compareNotifyProps(propsA: Partial<ChannelNotifyProps>, propsB: Partial<ChannelNotifyProps>): boolean {
if (propsA.desktop !== propsB.desktop ||
propsA.email !== propsB.email ||
propsA.mark_unread !== propsB.mark_unread ||
propsA.push !== propsB.push ||
propsA.ignore_channel_mentions !== propsB.ignore_channel_mentions) {
return false;
}
return true;
}
export function areChannelMentionsIgnored(channelMemberNotifyProps: ChannelNotifyProps, currentUserNotifyProps: UserNotifyProps) {
let ignoreChannelMentionsDefault = Users.IGNORE_CHANNEL_MENTIONS_OFF;
if (currentUserNotifyProps.channel && currentUserNotifyProps.channel === 'false') {
ignoreChannelMentionsDefault = Users.IGNORE_CHANNEL_MENTIONS_ON;
}
let ignoreChannelMentions = channelMemberNotifyProps && channelMemberNotifyProps.ignore_channel_mentions;
if (!ignoreChannelMentions || ignoreChannelMentions === Users.IGNORE_CHANNEL_MENTIONS_DEFAULT) {
ignoreChannelMentions = ignoreChannelMentionsDefault as any;
}
return ignoreChannelMentions !== Users.IGNORE_CHANNEL_MENTIONS_OFF;
}
function buildChannels(usersState: UsersState, channels: Array<Channel>, missingDirectChannels: Array<Channel>, teammateNameDisplay: string, locale: string): Array<Channel> {
return channels.
concat(missingDirectChannels).
map((c) => completeDirectChannelInfo(usersState, teammateNameDisplay, c)).
filter(isNotDeletedChannel).
sort(sortChannelsByTypeAndDisplayName.bind(null, locale));
}
function buildFavoriteChannels(channels: Array<Channel>, myPreferences: {
[x: string]: PreferenceType;
}, locale: string): Array<Channel> {
return channels.filter((channel) => isFavoriteChannel(myPreferences, channel.id)).sort(sortChannelsByDisplayName.bind(null, locale));
}
function buildNotFavoriteChannels(channels: Array<Channel>, myPreferences: {
[x: string]: PreferenceType;
}): Array<Channel> {
return channels.filter((channel) => !isFavoriteChannel(myPreferences, channel.id));
}
function buildDirectAndGroupChannels(channels: Array<Channel>, memberships: RelationOneToOne<Channel, ChannelMembership>, config: any, myPreferences: {
[x: string]: PreferenceType;
}, currentUserId: string, users: IDMappedObjects<UserProfile>, lastPosts: RelationOneToOne<Channel, Post>): Array<Channel> {
return channels.filter((channel) => {
return isGroupOrDirectChannelVisible(channel, memberships, config, myPreferences, currentUserId, users, lastPosts);
});
}
function buildChannelsWithMentions(channels: Array<Channel>, members: RelationOneToOne<Channel, ChannelMembership>, locale: string) {
return channels.filter(channelHasMentions.bind(null, members)).
sort(sortChannelsByDisplayName.bind(null, locale));
}
function buildUnreadChannels(channels: Array<Channel>, members: RelationOneToOne<Channel, ChannelMembership>, locale: string) {
return channels.filter(channelHasUnreadMessages.bind(null, members)).
sort(sortChannelsByDisplayName.bind(null, locale));
}
function getUserLocale(userId: string, profiles: IDMappedObjects<UserProfile>) {
let locale = General.DEFAULT_LOCALE;
if (profiles && profiles[userId] && profiles[userId].locale) {
locale = profiles[userId].locale;
}
return locale;
}
export function filterChannelsMatchingTerm(channels: Array<Channel>, term: string): Array<Channel> {
const lowercasedTerm = term.toLowerCase();
return channels.filter((channel: Channel): boolean => {
if (!channel) {
return false;
}
const name = (channel.name || '').toLowerCase();
const displayName = (channel.display_name || '').toLowerCase();
return name.startsWith(lowercasedTerm) ||
displayName.startsWith(lowercasedTerm);
});
}