wallet-core/packages/taler-wallet-webextension/src/hooks/useProvidersByCurrency.ts
2021-07-01 00:35:50 -03:00

45 lines
1.3 KiB
TypeScript

import { Amounts } from "@gnu-taler/taler-util";
import { ProviderInfo } from "@gnu-taler/taler-wallet-core/src/operations/backup";
import { useEffect, useState } from "preact/hooks";
import * as wxApi from "../wxApi";
export interface ProvidersByCurrency {
[s: string]: ProviderInfo | undefined
}
export interface BackupStatus {
deviceName: string;
providers: ProvidersByCurrency
}
export function useBackupStatus(): BackupStatus | undefined {
const [status, setStatus] = useState<BackupStatus | undefined>(undefined)
useEffect(() => {
async function run() {
//create a first list of backup info by currency
const status = await wxApi.getBackupInfo()
const providers = status.providers.reduce((p, c) => {
if (c.terms) {
p[Amounts.parseOrThrow(c.terms.annualFee).currency] = c
}
return p
}, {} as ProvidersByCurrency)
//add all the known currency with no backup info
const list = await wxApi.listKnownCurrencies()
const currencies = list.exchanges.map(e => e.name).concat(list.auditors.map(a => a.name))
currencies.forEach(c => {
if (!providers[c]) {
providers[c] = undefined
}
})
setStatus({ deviceName: status.deviceId, providers })
}
run()
}, [])
return status
}