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import { BuyQuoteInfo } from '@0x/asset-buyer';
import { BigNumber } from '@0x/utils';
import * as _ from 'lodash';
import * as React from 'react';
import { oc } from 'ts-optchain';
import { BIG_NUMBER_ZERO, DEFAULT_UNKOWN_ASSET_NAME } from '../constants';
import { ColorOption } from '../style/theme';
import { BaseCurrency } from '../types';
import { format } from '../util/format';
import { AmountPlaceholder } from './amount_placeholder';
import { SectionHeader } from './section_header';
import { Container } from './ui/container';
import { Flex } from './ui/flex';
import { Text, TextProps } from './ui/text';
export interface OrderDetailsProps {
buyQuoteInfo?: BuyQuoteInfo;
selectedAssetUnitAmount?: BigNumber;
ethUsdPrice?: BigNumber;
isLoading: boolean;
assetName?: string;
baseCurrency: BaseCurrency;
onBaseCurrencySwitchEth: () => void;
onBaseCurrencySwitchUsd: () => void;
}
export class OrderDetails extends React.PureComponent<OrderDetailsProps> {
public render(): React.ReactNode {
const shouldShowUsdError = this.props.baseCurrency === BaseCurrency.USD && this._hadErrorFetchingUsdPrice();
return (
<Container width="100%" flexGrow={1} padding="20px 20px 0px 20px">
<Container marginBottom="10px">{this._renderHeader()}</Container>
{shouldShowUsdError ? this._renderErrorFetchingUsdPrice() : this._renderRows()}
</Container>
);
}
private _renderRows(): React.ReactNode {
const { buyQuoteInfo } = this.props;
return (
<React.Fragment>
<OrderDetailsRow
labelText={this._assetAmountLabel()}
primaryValue={this._displayAmountOrPlaceholder(buyQuoteInfo && buyQuoteInfo.assetEthAmount)}
/>
<OrderDetailsRow
labelText="Fee"
primaryValue={this._displayAmountOrPlaceholder(buyQuoteInfo && buyQuoteInfo.feeEthAmount)}
/>
<OrderDetailsRow
labelText="Total Cost"
isLabelBold={true}
primaryValue={this._displayAmountOrPlaceholder(buyQuoteInfo && buyQuoteInfo.totalEthAmount)}
isPrimaryValueBold={true}
secondaryValue={this._totalCostSecondaryValue()}
/>
</React.Fragment>
);
}
private _renderErrorFetchingUsdPrice(): React.ReactNode {
return (
<Text>
There was an error fetching the USD price.
<Text
onClick={this.props.onBaseCurrencySwitchEth}
fontWeight={700}
fontColor={ColorOption.primaryColor}
>
Click here
</Text>
{' to view ETH prices'}
</Text>
);
}
private _hadErrorFetchingUsdPrice(): boolean {
return this.props.ethUsdPrice ? this.props.ethUsdPrice.equals(BIG_NUMBER_ZERO) : false;
}
private _totalCostSecondaryValue(): React.ReactNode {
const secondaryCurrency = this.props.baseCurrency === BaseCurrency.USD ? BaseCurrency.ETH : BaseCurrency.USD;
const canDisplayCurrency =
secondaryCurrency === BaseCurrency.ETH ||
(secondaryCurrency === BaseCurrency.USD && this.props.ethUsdPrice && !this._hadErrorFetchingUsdPrice());
if (this.props.buyQuoteInfo && canDisplayCurrency) {
return this._displayAmount(secondaryCurrency, this.props.buyQuoteInfo.totalEthAmount);
} else {
return undefined;
}
}
private _displayAmountOrPlaceholder(weiAmount?: BigNumber): React.ReactNode {
const { baseCurrency, isLoading } = this.props;
if (_.isUndefined(weiAmount)) {
return (
<Container opacity={0.5}>
<AmountPlaceholder color={ColorOption.lightGrey} isPulsating={isLoading} />
</Container>
);
}
return this._displayAmount(baseCurrency, weiAmount);
}
private _displayAmount(currency: BaseCurrency, weiAmount: BigNumber): React.ReactNode {
switch (currency) {
case BaseCurrency.USD:
return format.ethBaseUnitAmountInUsd(weiAmount, this.props.ethUsdPrice, 2, '');
case BaseCurrency.ETH:
return format.ethBaseUnitAmount(weiAmount, 4, '');
}
}
private _assetAmountLabel(): React.ReactNode {
const { assetName, baseCurrency } = this.props;
const numTokens = this.props.selectedAssetUnitAmount;
// Display as 0 if we have a selected asset
const displayNumTokens =
assetName && assetName !== DEFAULT_UNKOWN_ASSET_NAME && _.isUndefined(numTokens)
? new BigNumber(0)
: numTokens;
if (!_.isUndefined(displayNumTokens)) {
let numTokensWithSymbol: React.ReactNode = displayNumTokens.toString();
if (assetName) {
numTokensWithSymbol += ` ${assetName}`;
}
const pricePerTokenWei = this._pricePerTokenWei();
if (pricePerTokenWei) {
const atPriceDisplay = (
<Text fontColor={ColorOption.lightGrey}>
@ {this._displayAmount(baseCurrency, pricePerTokenWei)}
</Text>
);
numTokensWithSymbol = (
<React.Fragment>
{numTokensWithSymbol} {atPriceDisplay}
</React.Fragment>
);
}
return numTokensWithSymbol;
}
return 'Token Amount';
}
private _pricePerTokenWei(): BigNumber | undefined {
const buyQuoteAccessor = oc(this.props.buyQuoteInfo);
const assetTotalInWei = buyQuoteAccessor.assetEthAmount();
const selectedAssetUnitAmount = this.props.selectedAssetUnitAmount;
return !_.isUndefined(assetTotalInWei) &&
!_.isUndefined(selectedAssetUnitAmount) &&
!selectedAssetUnitAmount.eq(BIG_NUMBER_ZERO)
? assetTotalInWei.div(selectedAssetUnitAmount).ceil()
: undefined;
}
private _baseCurrencyChoice(choice: BaseCurrency): React.ReactNode {
const onClick =
choice === BaseCurrency.ETH ? this.props.onBaseCurrencySwitchEth : this.props.onBaseCurrencySwitchUsd;
const isSelected = this.props.baseCurrency === choice;
const textStyle: TextProps = { onClick, fontSize: '12px' };
if (isSelected) {
textStyle.fontColor = ColorOption.primaryColor;
textStyle.fontWeight = 700;
} else {
textStyle.fontColor = ColorOption.lightGrey;
}
return <Text {...textStyle}>{choice}</Text>;
}
private _renderHeader(): React.ReactNode {
return (
<Flex justify="space-between">
<SectionHeader>Order Details</SectionHeader>
<Container>
{this._baseCurrencyChoice(BaseCurrency.ETH)}
<Container marginLeft="5px" marginRight="5px" display="inline">
<Text fontSize="12px" fontColor={ColorOption.feintGrey}>
/
</Text>
</Container>
{this._baseCurrencyChoice(BaseCurrency.USD)}
</Container>
</Flex>
);
}
}
export interface OrderDetailsRowProps {
labelText: React.ReactNode;
isLabelBold?: boolean;
isPrimaryValueBold?: boolean;
primaryValue: React.ReactNode;
secondaryValue?: React.ReactNode;
}
export class OrderDetailsRow extends React.PureComponent<OrderDetailsRowProps, {}> {
public render(): React.ReactNode {
return (
<Container padding="10px 0px" borderTop="1px dashed" borderColor={ColorOption.feintGrey}>
<Flex justify="space-between">
<Text fontWeight={this.props.isLabelBold ? 700 : 400} fontColor={ColorOption.grey}>
{this.props.labelText}
</Text>
<Container>{this._renderValues()}</Container>
</Flex>
</Container>
);
}
private _renderValues(): React.ReactNode {
const secondaryValueNode: React.ReactNode = this.props.secondaryValue && (
<Container marginRight="3px" display="inline-block">
<Text fontColor={ColorOption.lightGrey}>({this.props.secondaryValue})</Text>
</Container>
);
return (
<React.Fragment>
{secondaryValueNode}
<Text fontWeight={this.props.isPrimaryValueBold ? 700 : 400}>{this.props.primaryValue}</Text>
</React.Fragment>
);
}
}
|
