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bitshares#422 PriceAlert Notifications component to track and fire no…
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,196 @@ | ||
| import React from "react"; | ||
| import {connect} from "alt-react"; | ||
| import MarketsStore from "../stores/MarketsStore"; | ||
| import SettingsStore from "../stores/SettingsStore"; | ||
| import {PRICE_ALERT_TYPES} from "../services/Exchange"; | ||
| import {Notification, Icon} from "bitshares-ui-style-guide"; | ||
| import Translate from "react-translate-component"; | ||
| import counterpart from "counterpart"; | ||
| import SettingsActions from "../actions/SettingsActions"; | ||
| import AssetName from "./Utility/AssetName"; | ||
|
|
||
| class PriceAlertNotifications extends React.Component { | ||
| _getRulesForCheck(priceAlertRules, markets) { | ||
| return priceAlertRules.map((rule, key) => { | ||
| let pair = `${rule.quoteAssetSymbol}_${rule.baseAssetSymbol}`; | ||
|
|
||
| let price = null; | ||
|
|
||
| try { | ||
| let market = markets.get(pair); | ||
|
|
||
| price = market && market.price && market.price.toReal(); | ||
| } catch (e) { | ||
| console.error( | ||
| `PriceAlertNotifications: Unable to get real price for pair ${pair}: `, | ||
| e | ||
| ); | ||
| } | ||
|
|
||
| return { | ||
| ruleKey: key, | ||
| type: rule.type, | ||
| pair: pair, | ||
| quoteAssetSymbol: rule.quoteAssetSymbol, | ||
| baseAssetSymbol: rule.baseAssetSymbol, | ||
| actualPrice: price, | ||
| expectedPrice: rule.price | ||
| }; | ||
| }); | ||
| } | ||
|
|
||
| _getFulfilledRules(rules) { | ||
| return rules.filter(rule => { | ||
| if (isNaN(Number(rule.actualPrice))) return false; | ||
|
|
||
| if ( | ||
| Number(rule.type) === Number(PRICE_ALERT_TYPES.HIGHER_THAN) && | ||
| Number(rule.actualPrice) >= Number(rule.expectedPrice) | ||
| ) { | ||
| return true; | ||
| } else if ( | ||
| Number(rule.type) === Number(PRICE_ALERT_TYPES.LOWER_THAN) && | ||
| Number(rule.actualPrice) <= Number(rule.expectedPrice) | ||
| ) { | ||
| return true; | ||
| } | ||
|
|
||
| return false; | ||
| }); | ||
| } | ||
|
|
||
| _filterByFulfilledRules(fulfilledRules) { | ||
| return (rule, key) => { | ||
| return !fulfilledRules.some(fulfilledRule => { | ||
| return key === fulfilledRule.ruleKey; | ||
| }); | ||
| }; | ||
| } | ||
|
|
||
| notifyAboutRules(rules) { | ||
| // Notification. | ||
|
|
||
| rules.forEach(rule => { | ||
| if (Number(rule.type) === Number(PRICE_ALERT_TYPES.LOWER_THAN)) { | ||
| Notification.info({ | ||
| message: counterpart.translate( | ||
| "exchange.price_alert.title" | ||
| ), | ||
| description: ( | ||
| <Translate | ||
| content="exchange.price_alert.notification.lower_than" | ||
| component="div" | ||
| pair={ | ||
| <span className="price-alert--notification--pair-name"> | ||
| <AssetName name={rule.quoteAssetSymbol} />/ | ||
| <AssetName name={rule.baseAssetSymbol} /> | ||
| </span> | ||
| } | ||
| expectedPrice={ | ||
| <span className="price-alert--notification--expected-price"> | ||
| {rule.expectedPrice} | ||
| </span> | ||
| } | ||
| actualPrice={ | ||
| <span className="price-alert--notification--actual-price price-alert--notification--actual-price-down"> | ||
| {rule.actualPrice} | ||
| </span> | ||
| } | ||
| /> | ||
| ), | ||
| icon: ( | ||
| <Icon | ||
| type="caret-down" | ||
| className="price-alert--notification--icon price-alert--notification--icon--down" | ||
| /> | ||
| ) | ||
| }); | ||
| } | ||
|
|
||
| if (Number(rule.type) === Number(PRICE_ALERT_TYPES.HIGHER_THAN)) { | ||
| Notification.info({ | ||
| message: counterpart.translate( | ||
| "exchange.price_alert.title" | ||
| ), | ||
| description: ( | ||
| <Translate | ||
| content="exchange.price_alert.notification.higher_than" | ||
| component="div" | ||
| pair={ | ||
| <span className="price-alert--notification--pair-name"> | ||
| <AssetName name={rule.quoteAssetSymbol} />/ | ||
| <AssetName name={rule.baseAssetSymbol} /> | ||
| </span> | ||
| } | ||
| expectedPrice={ | ||
| <span className="price-alert--notification--expected-price"> | ||
| {rule.expectedPrice} | ||
| </span> | ||
| } | ||
| actualPrice={ | ||
| <span className="price-alert--notification--actual-price price-alert--notification--actual-price-up"> | ||
| {rule.actualPrice} | ||
| </span> | ||
| } | ||
| /> | ||
| ), | ||
| icon: ( | ||
| <Icon | ||
| type="caret-up" | ||
| className="price-alert--notification--icon price-alert--notification--icon--up" | ||
| /> | ||
| ) | ||
| }); | ||
| } | ||
| }); | ||
| } | ||
|
|
||
| render() { | ||
| const {priceAlert, allMarketStats} = this.props; | ||
|
|
||
| if ( | ||
| !priceAlert || | ||
| !priceAlert.length || | ||
| !allMarketStats || | ||
| !allMarketStats.size | ||
| ) { | ||
| return null; | ||
| } | ||
|
|
||
| const notificationsRules = this._getRulesForCheck( | ||
| priceAlert, | ||
| allMarketStats | ||
| ); | ||
|
|
||
| // do notifications for | ||
| const fulfilledRules = this._getFulfilledRules(notificationsRules); | ||
|
|
||
| this.notifyAboutRules(fulfilledRules); | ||
|
|
||
| // update notifications array | ||
| let updatedPriceAlert = this.props.priceAlert.filter( | ||
| this._filterByFulfilledRules(fulfilledRules) | ||
| ); | ||
|
|
||
| if (updatedPriceAlert.length !== this.props.priceAlert.length) { | ||
| SettingsActions.setPriceAlert(updatedPriceAlert); | ||
| } | ||
|
|
||
| return null; | ||
| } | ||
| } | ||
|
|
||
| export default connect( | ||
| PriceAlertNotifications, | ||
| { | ||
| listenTo() { | ||
| return [MarketsStore, SettingsStore]; | ||
| }, | ||
| getProps() { | ||
| return { | ||
| allMarketStats: MarketsStore.getState().allMarketStats, | ||
| priceAlert: SettingsStore.getState().priceAlert | ||
| }; | ||
| } | ||
| } | ||
| ); |