bigbuffet-rw/app/soapbox/reducers/chats.js
2020-08-27 13:45:37 -05:00

35 lines
1.2 KiB
JavaScript

import { CHATS_FETCH_SUCCESS, CHAT_FETCH_SUCCESS } from 'soapbox/actions/chats';
import { STREAMING_CHAT_UPDATE } from 'soapbox/actions/streaming';
import { normalizeChat } from 'soapbox/actions/importer/normalizer';
import { Map as ImmutableMap, fromJS } from 'immutable';
const importChat = (state, chat) => state.set(chat.id, fromJS(normalizeChat(chat)));
const importChats = (state, chats) =>
state.withMutations(mutable => chats.forEach(chat => importChat(mutable, chat)));
const chatDateComparator = (chatA, chatB) => {
// Sort most recently updated chats at the top
const a = new Date(chatA.get('updated_at'));
const b = new Date(chatB.get('updated_at'));
if (a === b) return 0;
if (a > b) return -1;
if (a < b) return 1;
return 0;
};
const initialState = ImmutableMap();
export default function chats(state = initialState, action) {
switch(action.type) {
case CHATS_FETCH_SUCCESS:
return importChats(state, action.chats).sort(chatDateComparator);
case STREAMING_CHAT_UPDATE:
return importChats(state, [action.chat]).sort(chatDateComparator);
case CHAT_FETCH_SUCCESS:
return importChats(state, [action.chat]).sort(chatDateComparator);
default:
return state;
}
};