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import Constants from 'utils/constants.jsx';
const Preferences = Constants.Preferences;
import * as Utils from 'utils/utils.jsx';
import UserStore from 'stores/user_store.jsx';
import TeamStore from 'stores/team_store.jsx';
import PreferenceStore from 'stores/preference_store.jsx';
import LocalizationStore from 'stores/localization_store.jsx';
/**
* Returns list of sorted channels grouped by type. Favorites here is considered as separated type.
*
* Example: {
* publicChannels: [...],
* privateChannels: [...],
* directChannels: [...],
* directNonTeamChannels: [...],
* favoriteChannels: [...]
* }
*/
export function buildDisplayableChannelList(persistentChannels) {
const missingDMChannels = createMissingDirectChannels(persistentChannels);
const channels = persistentChannels.concat(missingDMChannels).map(completeDirectChannelInfo);
channels.sort(sortChannelsByDisplayName);
const favoriteChannels = channels.filter(isFavoriteChannel);
const notFavoriteChannels = channels.filter(not(isFavoriteChannel));
const directChannels = notFavoriteChannels.filter(andX(isDirectChannel, isDirectChannelVisible));
return {
favoriteChannels,
publicChannels: notFavoriteChannels.filter(isOpenChannel),
privateChannels: notFavoriteChannels.filter(isPrivateChannel),
directChannels: directChannels.filter(isConnectedToTeamMember),
directNonTeamChannels: directChannels.filter(isNotConnectedToTeamMember)
};
}
export function isFavoriteChannel(channel) {
return PreferenceStore.getBool(Preferences.CATEGORY_FAVORITE_CHANNEL, channel.id);
}
export function isOpenChannel(channel) {
return channel.type === Constants.OPEN_CHANNEL;
}
export function isPrivateChannel(channel) {
return channel.type === Constants.PRIVATE_CHANNEL;
}
export function isDirectChannel(channel) {
return channel.type === Constants.DM_CHANNEL;
}
export function isDirectChannelVisible(channel) {
const channelId = Utils.getUserIdFromChannelName(channel);
return PreferenceStore.getBool(Preferences.CATEGORY_DIRECT_CHANNEL_SHOW, channelId);
}
export function completeDirectChannelInfo(channel) {
if (!isDirectChannel(channel)) {
return channel;
}
const dmChannelClone = JSON.parse(JSON.stringify(channel));
const teammateId = Utils.getUserIdFromChannelName(channel);
return Object.assign(dmChannelClone, {
display_name: Utils.displayUsername(teammateId),
teammate_id: teammateId,
status: UserStore.getStatus(teammateId) || 'offline'
});
}
export function sortChannelsByDisplayName(a, b) {
const locale = LocalizationStore.getLocale();
return buildDisplayNameAndTypeComparable(a).localeCompare(buildDisplayNameAndTypeComparable(b), locale, {numeric: true});
}
/*
* not exported helpers
*/
function createMissingDirectChannels(channels) {
const directChannelsDisplayPreferences = PreferenceStore.getCategory(Preferences.CATEGORY_DIRECT_CHANNEL_SHOW);
return Array.
from(directChannelsDisplayPreferences).
filter((entry) => entry[1] === 'true').
map((entry) => entry[0]).
filter((teammateId) => !channels.some(Utils.isDirectChannelForUser.bind(null, teammateId))).
map(createFakeChannelCurried(UserStore.getCurrentId()));
}
function createFakeChannel(userId, otherUserId) {
return {
name: Utils.getDirectChannelName(userId, otherUserId),
last_post_at: 0,
total_msg_count: 0,
type: Constants.DM_CHANNEL,
fake: true
};
}
function createFakeChannelCurried(userId) {
return (otherUserId) => createFakeChannel(userId, otherUserId);
}
function isConnectedToTeamMember(channel) {
return isTeamMember(channel.teammate_id);
}
function isTeamMember(userId) {
return TeamStore.hasActiveMemberInTeam(TeamStore.getCurrentId(), userId);
}
function isNotConnectedToTeamMember(channel) {
return TeamStore.hasMemberNotInTeam(TeamStore.getCurrentId(), channel.teammate_id);
}
function not(f) {
return (...args) => !f(...args);
}
function andX(...fns) {
return (...args) => fns.every((f) => f(...args));
}
const defaultPrefix = 'D'; // fallback for future types
const typeToPrefixMap = {[Constants.OPEN_CHANNEL]: 'A', [Constants.PRIVATE_CHANNEL]: 'B', [Constants.DM_CHANNEL]: 'C'};
function buildDisplayNameAndTypeComparable(channel) {
return (typeToPrefixMap[channel.type] || defaultPrefix) + channel.display_name + channel.name;
}
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