66 lines
2.1 KiB
JavaScript
66 lines
2.1 KiB
JavaScript
import {
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CHATS_FETCH_SUCCESS,
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CHAT_MESSAGES_FETCH_SUCCESS,
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CHAT_MESSAGE_SEND_REQUEST,
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CHAT_MESSAGE_SEND_SUCCESS,
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CHAT_MESSAGE_DELETE_SUCCESS,
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} from 'soapbox/actions/chats';
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import { STREAMING_CHAT_UPDATE } from 'soapbox/actions/streaming';
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import { Map as ImmutableMap, OrderedSet as ImmutableOrderedSet } from 'immutable';
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const initialState = ImmutableMap();
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const idComparator = (a, b) => {
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if (a < b) return -1;
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if (a > b) return 1;
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return 0;
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};
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const updateList = (state, chatId, messageIds) => {
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const ids = state.get(chatId, ImmutableOrderedSet());
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const newIds = ids.union(messageIds).sort(idComparator);
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return state.set(chatId, newIds);
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};
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const importMessage = (state, chatMessage) => {
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return updateList(state, chatMessage.chat_id, [chatMessage.id]);
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};
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const importMessages = (state, chatMessages) => (
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state.withMutations(map =>
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chatMessages.forEach(chatMessage =>
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importMessage(map, chatMessage)))
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);
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const importLastMessages = (state, chats) =>
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state.withMutations(mutable =>
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chats.forEach(chat => {
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if (chat.last_message) importMessage(mutable, chat.last_message);
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}));
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const replaceMessage = (state, chatId, oldId, newId) => {
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return state.update(chatId, chat => chat.delete(oldId).add(newId).sort(idComparator));
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};
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export default function chatMessageLists(state = initialState, action) {
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switch(action.type) {
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case CHAT_MESSAGE_SEND_REQUEST:
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return updateList(state, action.chatId, [action.uuid]);
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case CHATS_FETCH_SUCCESS:
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return importLastMessages(state, action.chats);
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case STREAMING_CHAT_UPDATE:
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if (action.chat.last_message &&
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action.chat.last_message.account_id !== action.me)
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return importMessages(state, [action.chat.last_message]);
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else
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return state;
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case CHAT_MESSAGES_FETCH_SUCCESS:
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return updateList(state, action.chatId, action.chatMessages.map(chat => chat.id));
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case CHAT_MESSAGE_SEND_SUCCESS:
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return replaceMessage(state, action.chatId, action.uuid, action.chatMessage.id);
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case CHAT_MESSAGE_DELETE_SUCCESS:
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return state.update(action.chatId, chat => chat.delete(action.messageId));
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default:
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return state;
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}
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};
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