117 lines
3.3 KiB
TypeScript
117 lines
3.3 KiB
TypeScript
import { List as ImmutableList, Record as ImmutableRecord } from 'immutable';
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import {
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CONVERSATIONS_MOUNT,
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CONVERSATIONS_UNMOUNT,
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CONVERSATIONS_FETCH_REQUEST,
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CONVERSATIONS_FETCH_SUCCESS,
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CONVERSATIONS_FETCH_FAIL,
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CONVERSATIONS_UPDATE,
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CONVERSATIONS_READ,
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} from '../actions/conversations';
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import { compareId } from '../utils/comparators';
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import type { AnyAction } from 'redux';
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import type { APIEntity } from 'soapbox/types/entities';
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const ConversationRecord = ImmutableRecord({
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id: '',
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unread: false,
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accounts: ImmutableList<string>(),
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last_status: null as string | null,
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});
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const ReducerRecord = ImmutableRecord({
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items: ImmutableList<Conversation>(),
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isLoading: false,
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hasMore: true,
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mounted: 0,
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});
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type State = ReturnType<typeof ReducerRecord>;
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type Conversation = ReturnType<typeof ConversationRecord>;
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const conversationToMap = (item: APIEntity) => ConversationRecord({
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id: item.id,
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unread: item.unread,
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accounts: ImmutableList(item.accounts.map((a: APIEntity) => a.id)),
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last_status: item.last_status ? item.last_status.id : null,
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});
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const updateConversation = (state: State, item: APIEntity) => state.update('items', list => {
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const index = list.findIndex(x => x.get('id') === item.id);
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const newItem = conversationToMap(item);
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if (index === -1) {
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return list.unshift(newItem);
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} else {
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return list.set(index, newItem);
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}
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});
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const expandNormalizedConversations = (state: State, conversations: APIEntity[], next: string | null, isLoadingRecent?: boolean) => {
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let items = ImmutableList(conversations.map(conversationToMap));
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return state.withMutations(mutable => {
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if (!items.isEmpty()) {
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mutable.update('items', list => {
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list = list.map(oldItem => {
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const newItemIndex = items.findIndex(x => x.get('id') === oldItem.get('id'));
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if (newItemIndex === -1) {
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return oldItem;
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}
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const newItem = items.get(newItemIndex);
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items = items.delete(newItemIndex);
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return newItem!;
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});
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list = list.concat(items);
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return list.sortBy(x => x.get('last_status'), (a, b) => {
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if (a === null || b === null) {
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return -1;
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}
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return compareId(a, b) * -1;
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});
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});
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}
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if (!next && !isLoadingRecent) {
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mutable.set('hasMore', false);
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}
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mutable.set('isLoading', false);
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});
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};
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export default function conversations(state = ReducerRecord(), action: AnyAction) {
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switch (action.type) {
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case CONVERSATIONS_FETCH_REQUEST:
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return state.set('isLoading', true);
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case CONVERSATIONS_FETCH_FAIL:
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return state.set('isLoading', false);
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case CONVERSATIONS_FETCH_SUCCESS:
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return expandNormalizedConversations(state, action.conversations, action.next, action.isLoadingRecent);
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case CONVERSATIONS_UPDATE:
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return updateConversation(state, action.conversation);
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case CONVERSATIONS_MOUNT:
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return state.update('mounted', count => count + 1);
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case CONVERSATIONS_UNMOUNT:
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return state.update('mounted', count => count - 1);
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case CONVERSATIONS_READ:
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return state.update('items', list => list.map(item => {
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if (item.get('id') === action.id) {
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return item.set('unread', false);
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}
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return item;
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}));
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default:
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return state;
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}
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}
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