blob: 93190218761a2cae14af90347856a6d66871b7c3 (
plain) (
tree)
|
|
import { Web3Wrapper } from '@0x/web3-wrapper';
import * as _ from 'lodash';
import { Middleware } from 'redux';
import { ETH_DECIMALS } from '../constants';
import { Account, AccountState } from '../types';
import { analytics } from '../util/analytics';
import { Action, ActionTypes } from './actions';
import { State } from './reducer';
export const analyticsMiddleware: Middleware = store => next => middlewareAction => {
const prevState = store.getState() as State;
const prevAccount = prevState.providerState.account;
const nextAction = next(middlewareAction) as Action;
const curState = store.getState() as State;
const curAccount = curState.providerState.account;
switch (nextAction.type) {
case ActionTypes.SET_ACCOUNT_STATE_READY:
if (curAccount.state === AccountState.Ready) {
const didJustTurnReady = prevAccount.state !== AccountState.Ready;
const didJustUpdateAddress =
prevAccount.state === AccountState.Ready && prevAccount.address !== curAccount.address;
const ethAddress = curAccount.address;
if (didJustTurnReady) {
analytics.trackAccountReady({ address: ethAddress });
analytics.addUserProperties({ lastKnownEthAddress: ethAddress });
} else if (didJustUpdateAddress) {
analytics.trackAccountAddressChanged({ address: ethAddress });
analytics.addUserProperties({ lastKnownEthAddress: ethAddress });
}
}
break;
case ActionTypes.SET_ACCOUNT_STATE_LOCKED:
if (prevAccount.state !== AccountState.Locked && curAccount.state === AccountState.Locked) {
// if we are moving from account not locked to account locked, track `Account - Locked`
analytics.trackAccountLocked();
}
break;
case ActionTypes.UPDATE_ACCOUNT_ETH_BALANCE:
if (
curAccount.state === AccountState.Ready &&
curAccount.ethBalanceInWei &&
!_.isEqual(curAccount, prevAccount)
) {
const ethBalanceInUnitAmount = Web3Wrapper.toUnitAmount(
curAccount.ethBalanceInWei,
ETH_DECIMALS,
).toString();
analytics.addUserProperties({ ethBalanceInUnitAmount });
}
}
return nextAction;
};
|