initial commit

src/component/filePrice/view.js

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+import React from 'react';
+import PropTypes from 'prop-types';
+import { Text, View } from 'react-native';
+import { formatCredits, formatFullPrice } from 'lbry-redux';
+
+class CreditAmount extends React.PureComponent {
+  static propTypes = {
+    amount: PropTypes.number.isRequired,
+    precision: PropTypes.number,
+    isEstimate: PropTypes.bool,
+    label: PropTypes.oneOfType([PropTypes.string, PropTypes.bool]),
+    showFree: PropTypes.bool,
+    showFullPrice: PropTypes.bool,
+    showPlus: PropTypes.bool,
+    look: PropTypes.oneOf(['indicator', 'plain', 'fee']),
+  };
+
+  static defaultProps = {
+    precision: 2,
+    label: true,
+    showFree: false,
+    look: 'indicator',
+    showFullPrice: false,
+    showPlus: false,
+  };
+
+  render() {
+    const minimumRenderableAmount = Math.pow(10, -1 * this.props.precision);
+    const { amount, precision, showFullPrice, style } = this.props;
+
+    let formattedAmount;
+    const fullPrice = formatFullPrice(amount, 2);
+
+    if (showFullPrice) {
+      formattedAmount = fullPrice;
+    } else {
+      formattedAmount =
+        amount > 0 && amount < minimumRenderableAmount
+          ? `<${minimumRenderableAmount}`
+          : formatCredits(amount, precision);
+    }
+
+    let amountText;
+    if (this.props.showFree && parseFloat(this.props.amount) === 0) {
+      amountText = 'FREE';
+    } else {
+      if (this.props.label) {
+        const label =
+          typeof this.props.label === 'string' ? this.props.label : parseFloat(amount) == 1 ? 'credit' : 'credits';
+
+        amountText = `${formattedAmount} ${label}`;
+      } else {
+        amountText = formattedAmount;
+      }
+      if (this.props.showPlus && amount > 0) {
+        amountText = `+${amountText}`;
+      }
+    }
+
+    /*{this.props.isEstimate ? (
+          <span
+            className="credit-amount__estimate"
+            title={__('This is an estimate and does not include data fees')}
+          >
+            *
+          </span>
+        ) : null}*/
+    return <Text style={style}>{amountText}</Text>;
+  }
+}
+
+class FilePrice extends React.PureComponent {
+  componentWillMount() {
+    this.fetchCost(this.props);
+  }
+
+  componentWillReceiveProps(nextProps) {
+    this.fetchCost(nextProps);
+  }
+
+  fetchCost(props) {
+    const { costInfo, fetchCostInfo, uri, fetching, claim } = props;
+
+    if (costInfo === undefined && !fetching && claim) {
+      fetchCostInfo(uri);
+    }
+  }
+
+  render() {
+    const { costInfo, look = 'indicator', showFullPrice = false, style, textStyle } = this.props;
+
+    const isEstimate = costInfo ? !costInfo.includesData : null;
+
+    if (!costInfo) {
+      return (
+        <View style={style}>
+          <Text style={textStyle}>???</Text>
+        </View>
+      );
+    }
+
+    return (
+      <View style={style}>
+        <CreditAmount
+          style={textStyle}
+          label={false}
+          amount={parseFloat(costInfo.cost)}
+          isEstimate={isEstimate}
+          showFree
+          showFullPrice={showFullPrice}
+        >
+          ???
+        </CreditAmount>
+      </View>
+    );
+  }
+}
+
+export default FilePrice;