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Refactor Dashboard components logic for initial state #61

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Refactor Dashboard components logic for initial state #61

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85 changes: 40 additions & 45 deletions src/components/Dashboard.js
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Original file line number Diff line number Diff line change
Expand Up @@ -15,6 +15,12 @@ import { getTimeWeightedMean } from './../services/AverageGlucoseService';
import { getA1CFromMgPerDl } from './../services/A1CService';
import { getTimeInZone } from './../services/TimeInZoneService';

const UPORT_LOGIN_DEFAULT_TEXT = 'Login with uPort';
const UPORT_DESABLED_DEFAULT = false;

const METAMASK_FETCH_ERROR_MESSAGE = 'Could not fetch accounts from MetaMask. Make sure you are logged into MetaMask.';
const METAMASK_DETECTION_ERROR_MESSAGE = 'Could not detect MetaMask. Please make sure MetaMask is enabled!';

const uport = new Connect('dPanc');

const dateOptions = [
Expand Down Expand Up @@ -169,39 +175,30 @@ const graphConfigsTemplate = {
};

class Dashboard extends Component {
state = {
address: '',
loadingText: '',
error: '',
lookbackMonths: 1,
avgGraph: '',
minGraph: '',
maxGraph: '',
provider: '',
uPortText: 'Login with uPort',
uPortDisabled: false,
};

async componentDidMount() {
let provider = uPortInstance.getProvider();
if (provider) {
this.setState({
provider,
});
}

let state = this.props.location.state;
if (state) {
const { address, uPortText, uPortDisabled } = state;
await this.setState({
address,
uPortText,
uPortDisabled,
});
constructor(props) {
super(props);

const locationState = props.location.state;

this.state = {
address: locationState ? locationState.address : '',
uPortText: locationState ? locationState.uPortText : UPORT_LOGIN_DEFAULT_TEXT,
uPortDisabled: locationState ? locationState.uPortDisabled : UPORT_DESABLED_DEFAULT,
loadingText: '',
error: '',
lookbackMonths: 1,
avgGraph: '',
minGraph: '',
maxGraph: '',
provider: uPortInstance.getProvider(),
}
}

async componentDidMount() {
if (!this.state.address) {
await this.getAccountAddress();
const address = await this.getAccountAddress();

await this.setState({ address });
}

let web3 = getWeb3(this.state.provider);
Expand All @@ -213,25 +210,23 @@ class Dashboard extends Component {
getAccountAddress = async () => {
let web3 = getWeb3(this.state.provider);

if (!web3) {
console.log('Could not detect MetaMask.');
this.setState({
error: 'Could not detect MetaMask. Please make sure MetaMask is enabled!'
});
} else {
if (web3) {
const address = await web3.eth.getAccounts();

if (address.length === 0) {
console.log('Could not fetch accounts from MetaMask. Make sure you are logged into MetaMask.');
this.setState({
error: 'Could not fetch accounts from MetaMask! Make sure you are logged into MetaMask.',
});
} else {
this.setState({
address: address[0],
});
if (address.length > 0) {
return address[0];
}

console.log(METAMASK_FETCH_ERROR_MESSAGE);
this.setState({ error: METAMASK_FETCH_ERROR_MESSAGE });

return '';
}

console.log(METAMASK_DETECTION_ERROR_MESSAGE);
this.setState({ error: METAMASK_DETECTION_ERROR_MESSAGE });

return '';
};

getGraphConfigs = (title, series, range) => {
Expand Down