1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
|
import { EventEnvelope } from "@/api_fsb";
import { RootState } from "@/store";
import { createEntityAdapter, createSlice, PayloadAction } from '@reduxjs/toolkit';
const eventAdapter = createEntityAdapter({
selectId: (model: EventEnvelope) => model.event_uuid!,
sortComparer: (a, b) => {
return b.timestamp!.localeCompare(a.timestamp!);
},
});
const grlEventsSlice = createSlice({
name: 'grlEvents',
// initialState: eventAdapter.getInitialState(),
initialState: eventAdapter.getInitialState({ latestEvent: null as EventEnvelope | null }),
reducers: {
addEvents: eventAdapter.addMany,
upsertEvent: eventAdapter.upsertOne, // add or update
// addEvent: eventAdapter.addOne,
addEvent: (state, action: PayloadAction<EventEnvelope>) => {
eventAdapter.addOne(state, action.payload);
const incoming = action.payload.timestamp!;
if (!state.latestEvent || incoming.localeCompare(state.latestEvent.timestamp!) > 0) {
state.latestEvent = action.payload;
}
},
}
})
export const {
addEvent, addEvents, upsertEvent
} = grlEventsSlice.actions;
// Add this after the slice, before exports
export const eventSelectors = eventAdapter.getSelectors(
(state: RootState) => state.events
);
export const selectLatestEvents = (count: number) => (state: RootState) =>
eventSelectors.selectAll(state).slice(0, count);
export const selectLatestEvent = (state: RootState) => state.events.latestEvent;
export default grlEventsSlice.reducer
|