copay-crown/src/pipes/fiatToUnit.ts

A Secure Crown Wallet

import { DecimalPipe } from '@angular/common';
import { Pipe, PipeTransform } from '@angular/core';
import { ConfigProvider } from '../providers/config/config';
import { RateProvider } from '../providers/rate/rate';

@Pipe({
  name: 'fiatToUnit',
  pure: false
})
export class FiatToUnitPipe implements PipeTransform {
  private walletSettings: any;

  constructor(
    private configProvider: ConfigProvider,
    private rateProvider: RateProvider,
    private decimalPipe: DecimalPipe,
  ) {
    this.walletSettings = this.configProvider.get().wallet.settings;
  }
  transform(amount: number, coin: string, alternative?: string): any {
    alternative = alternative ? alternative : this.walletSettings.alternativeIsoCode;
    let amount_ = this.rateProvider.fromFiat(amount, alternative, coin.toLowerCase());
    return this.decimalPipe.transform(amount_ / 1e8 || 0, '1.2-8') + ' ' + coin.toUpperCase();
  }
}