gab-social/app/javascript/gabsocial/reducers/chat_conversation_messages.js

112 lines
4.0 KiB
JavaScript

import {
List as ImmutableList,
Map as ImmutableMap,
fromJS,
} from 'immutable'
import compareId from '../utils/compare_id'
import {
CHAT_MESSAGES_SEND_SUCCESS,
CHAT_MESSAGES_DELETE_REQUEST,
CHAT_MESSAGES_PURGE_SUCCESS,
} from '../actions/chat_messages'
import {
CHAT_CONVERSATION_MESSAGES_EXPAND_REQUEST,
CHAT_CONVERSATION_MESSAGES_EXPAND_SUCCESS,
CHAT_CONVERSATION_MESSAGES_EXPAND_FAIL,
CHAT_CONVERSATION_MESSAGES_CONNECT,
CHAT_CONVERSATION_MESSAGES_DISCONNECT,
CHAT_CONVERSATION_MESSAGES_CLEAR,
} from '../actions/chat_conversation_messages'
const initialState = ImmutableMap()
const initialConversation = ImmutableMap({
unread: 0,
online: false,
top: true,
isLoading: false,
isError: false,
hasMore: true,
items: ImmutableList(),
})
const expandNormalizedChatConversation = (state, chatConversationId, chatMessages, next, isPartial, isLoadingRecent) => {
return state.update(chatConversationId, initialConversation, map => map.withMutations((mMap) => {
mMap.set('isLoading', false)
mMap.set('isPartial', isPartial)
if (!next && !isLoadingRecent) mMap.set('hasMore', false)
if (!!chatMessages && !chatMessages.isEmpty()) {
mMap.update('items', ImmutableList(), oldIds => {
const newIds = chatMessages.map(chatMessage => chatMessage.get('id'));
const lastIndex = oldIds.findLastIndex((id) => id !== null && compareId(id, newIds.last()) >= 0) + 1;
const firstIndex = oldIds.take(lastIndex).findLastIndex(id => id !== null && compareId(id, newIds.first()) > 0);
if (firstIndex < 0) {
return (isPartial ? newIds.unshift(null) : newIds).concat(oldIds.skip(lastIndex));
}
return oldIds.take(firstIndex + 1).concat(
isPartial && oldIds.get(firstIndex) !== null ? newIds.unshift(null) : newIds,
oldIds.skip(lastIndex)
);
});
}
}));
};
const updateChatMessageConversation = (state, chatConversationId, chatMessage) => {
const top = state.getIn([chatConversationId, 'top']);
const ids = state.getIn([chatConversationId, 'items'], ImmutableList());
const includesId = ids.includes(chatMessage.get('id'));
const unread = state.getIn([chatConversationId, 'unread'], 0);
if (includesId) {
return state;
}
let newIds = ids;
return state.update(chatConversationId, initialConversation, map => map.withMutations(mMap => {
if (!top) mMap.set('unread', unread + 1);
// if (top && ids.size > 40) newIds = newIds.take(20);
mMap.set('items', newIds.unshift(chatMessage.get('id')));
}));
};
export default function chat_conversation_messages(state = initialState, action) {
switch (action.type) {
case CHAT_CONVERSATION_MESSAGES_CONNECT:
return state.update(action.chatConversationId, initialConversation, map => map.set('online', true))
case CHAT_CONVERSATION_MESSAGES_DISCONNECT:
return state.update(
action.chatConversationId,
initialConversation,
map => map.set('online', false).update('items', items => items.first() ? items.unshift(null) : items)
)
case CHAT_CONVERSATION_MESSAGES_CLEAR:
return state.set(chatConversationId, initialTimeline)
case CHAT_CONVERSATION_MESSAGES_EXPAND_REQUEST:
return state.update(action.chatConversationId, initialConversation, map => map.set('isLoading', true))
case CHAT_CONVERSATION_MESSAGES_EXPAND_FAIL:
return state.update(action.chatConversationId, initialConversation, map => map.withMutations((mMap) => {
map.set('isLoading', false)
map.set('isError', true)
}))
case CHAT_CONVERSATION_MESSAGES_EXPAND_SUCCESS:
return expandNormalizedChatConversation(state, action.chatConversationId, fromJS(action.chatMessages), action.next, action.partial, action.isLoadingRecent)
case CHAT_MESSAGES_SEND_SUCCESS:
return updateChatMessageConversation(state, action.chatMessage.chat_conversation_id, fromJS(action.chatMessage))
case CHAT_MESSAGES_DELETE_REQUEST:
// : todo :
return state
case CHAT_MESSAGES_PURGE_SUCCESS:
// : todo :
return state
default:
return state
}
}