git.iko.soy/bridge
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bridge/src/store/lib/useInvitesStore.js
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1import { useCallback, useState } from 'react';
2import Maybe from 'folktale/maybe';
3import * as azimuth from 'azimuth-js';
5import { useNetwork } from '../network';
7// the default value of a point's invites
8const kEmptyInvites = {
9 availableInvites: Maybe.Nothing(),
10 sentInvites: Maybe.Nothing(),
11 acceptedInvites: Maybe.Nothing(),
12};
14export default function useInvitesStore() {
15 const { contracts } = useNetwork();
16 const [invitesCache, _setInvitesCache] = useState({});
18 const addToInvitesCache = useCallback(
19 entry =>
20 _setInvitesCache(cache => ({
21 ...cache,
22 ...entry,
23 })),
24 [_setInvitesCache]
25 );
27 const getInvites = useCallback(
28 point => invitesCache[point] || kEmptyInvites,
29 [invitesCache]
30 );
32 const syncInvites = useCallback(
33 async point => {
34 const _contracts = contracts.getOrElse(null);
35 if (!_contracts) {
36 return;
37 }
39 const availableInvites = await azimuth.delegatedSending.getTotalUsableInvites(
40 _contracts,
41 point
42 );
44 const invitedPoints = await azimuth.delegatedSending.getInvited(
45 _contracts,
46 point
47 );
48 const invitedPointDetails = await Promise.all(
49 invitedPoints.map(async invitedPoint => {
50 const active = await azimuth.azimuth.isActive(
51 _contracts,
52 invitedPoint
53 );
54 return {
55 point: invitedPoint,
56 active,
57 };
58 })
59 );
60 const sentInvites = invitedPointDetails.length;
61 const acceptedInvites = invitedPointDetails.filter(i => i.active).length;
63 addToInvitesCache({
64 [point]: {
65 availableInvites: Maybe.Just(availableInvites),
66 sentInvites: Maybe.Just(sentInvites),
67 acceptedInvites: Maybe.Just(acceptedInvites),
68 },
69 });
70 },
71 [contracts, addToInvitesCache]
72 );
74 return { getInvites, syncInvites };