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
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
|
import * as websocketActions from './websocket'
export const UPDATE_FILTER = 'LIST_UPDATE_FILTER'
export const UPDATE_SORTER = 'LIST_UPDATE_SORTER'
export const ADD = 'LIST_ADD'
export const UPDATE = 'LIST_UPDATE'
export const REMOVE = 'LIST_REMOVE'
export const UNKNOWN_CMD = 'LIST_UNKNOWN_CMD'
export const REQUEST = 'LIST_REQUEST'
export const RECEIVE = 'LIST_RECEIVE'
export const FETCH_ERROR = 'LIST_FETCH_ERROR'
export const SYM_FILTER = Symbol('LIST_SYM_FILTER')
export const SYM_SORTER = Symbol('LIST_SYM_SORTER')
export const SYM_PENDING = Symbol('LIST_SYM_PENDING')
// @todo add indexOf map if necessary
const defaultState = {
raw: [],
data: [],
byId: {},
isFetching: false,
[SYM_FILTER]: () => true,
[SYM_SORTER]: () => 0,
[SYM_PENDING]: [],
}
export default function reduce(state = defaultState, action) {
if (state.isFetching && action.type !== RECEIVE) {
return {
...state,
[SYM_PENDING]: [...state[SYM_PENDING], action]
}
}
switch (action.type) {
case UPDATE_FILTER:
return {
...state,
[SYM_FILTER]: action.filter,
data: state.raw.filter(action.filter).sort(state[SYM_SORTER]),
}
case UPDATE_SORTER:
return {
...state,
[SYM_SORTER]: action.sorter,
data: state.data.slice().sort(state[SYM_SORTER]),
}
case ADD:
let data = state.data
if (state[SYM_FILTER](action.item)) {
data = [...state.data, action.item].sort(state[SYM_SORTER])
}
return {
...state,
data,
raw: [...state.raw, action.item],
byId: { ...state.byId, [action.item.id]: action.item },
}
case UPDATE:
// @todo optimize if necessary
const raw = state.raw.map(item => item.id === action.id ? action.item : item)
return {
...state,
raw,
data: raw.filter(state[SYM_FILTER]).sort(state[SYM_SORTER]),
byId: { ...state.byId, [action.id]: null, [action.item.id]: action.item },
}
case REMOVE:
// @todo optimize if necessary
return {
...state,
raw: state.raw.filter(item => item.id !== action.id),
data: state.data.filter(item => item.id !== action.id),
byId: { ...state.byId, [action.id]: null },
}
case REQUEST:
return {
...state,
isFetching: true,
}
case RECEIVE:
return {
...state,
isFetching: false,
raw: action.list,
data: action.list.filter(state[SYM_FILTER]).sort(state[SYM_SORTER]),
byId: _.fromPairs(action.list.map(item => [item.id, item])),
}
default:
return state
}
}
export function updateFilter(filter) {
return { type: UPDATE_FILTER, filter }
}
export function updateSorter(sorter) {
return { type: UPDATE_SORTER, sorter }
}
export function add(item) {
return { type: ADD, item }
}
export function update(id, item) {
return { type: UPDATE, id, item }
}
export function remove(id) {
return { type: REMOVE, id }
}
export function handleWsMsg(msg) {
switch (msg.cmd) {
case websocketActions.CMD_ADD:
return add(msg.data)
case websocketActions.CMD_UPDATE:
return update(msg.data.id, msg.data)
case websocketActions.CMD_REMOVE:
return remove(msg.data.id)
default:
return { type: UNKNOWN_CMD, msg }
}
}
export function request() {
return { type: REQUEST }
}
export function receive(list) {
return { type: RECEIVE, list }
}
export function fetchError(error) {
return { type: FETCH_ERROR, error }
}
|
