|
1 | | -"use client"; |
| 1 | +import type { ComponentProps } from "react"; |
2 | 2 |
|
3 | | -import { type ComponentProps, createContext, use } from "react"; |
4 | | -import { useNumberFormatter } from "react-aria"; |
5 | | -import { z } from "zod"; |
6 | | - |
7 | | -import { StateType, useData } from "../../use-data"; |
8 | 3 | import { ChangeValue } from "../ChangeValue"; |
9 | | -import { useLivePrice } from "../LivePrices"; |
10 | | - |
11 | | -const ONE_SECOND_IN_MS = 1000; |
12 | | -const ONE_MINUTE_IN_MS = 60 * ONE_SECOND_IN_MS; |
13 | | -const ONE_HOUR_IN_MS = 60 * ONE_MINUTE_IN_MS; |
14 | | -const REFRESH_YESTERDAYS_PRICES_INTERVAL = ONE_HOUR_IN_MS; |
15 | | - |
16 | | -type Props = Omit<ComponentProps<typeof YesterdaysPricesContext>, "value"> & { |
17 | | - feeds: Record<string, string>; |
18 | | -}; |
19 | | - |
20 | | -const YesterdaysPricesContext = createContext< |
21 | | - undefined | ReturnType<typeof useData<Map<string, number>>> |
22 | | ->(undefined); |
23 | | - |
24 | | -export const YesterdaysPricesProvider = ({ feeds, ...props }: Props) => { |
25 | | - const state = useData( |
26 | | - ["yesterdaysPrices", Object.keys(feeds)], |
27 | | - () => getYesterdaysPrices(feeds), |
28 | | - { |
29 | | - refreshInterval: REFRESH_YESTERDAYS_PRICES_INTERVAL, |
30 | | - }, |
31 | | - ); |
32 | | - |
33 | | - return <YesterdaysPricesContext value={state} {...props} />; |
34 | | -}; |
35 | | - |
36 | | -const getYesterdaysPrices = async ( |
37 | | - feeds: Props["feeds"], |
38 | | -): Promise<Map<string, number>> => { |
39 | | - const url = new URL("/yesterdays-prices", window.location.origin); |
40 | | - for (const symbol of Object.keys(feeds)) { |
41 | | - url.searchParams.append("symbols", symbol); |
42 | | - } |
43 | | - const response = await fetch(url); |
44 | | - const data = yesterdaysPricesSchema.parse(await response.json()); |
45 | | - return new Map( |
46 | | - Object.entries(data).map(([symbol, value]) => [feeds[symbol] ?? "", value]), |
47 | | - ); |
48 | | -}; |
49 | | - |
50 | | -const yesterdaysPricesSchema = z.record(z.string(), z.number()); |
51 | | - |
52 | | -const useYesterdaysPrices = () => { |
53 | | - const state = use(YesterdaysPricesContext); |
54 | | - |
55 | | - if (state) { |
56 | | - return state; |
57 | | - } else { |
58 | | - throw new YesterdaysPricesNotInitializedError(); |
59 | | - } |
60 | | -}; |
61 | | - |
62 | | -type ChangePercentProps = { |
63 | | - className?: string | undefined; |
64 | | - feedKey: string; |
65 | | -}; |
66 | | - |
67 | | -export const ChangePercent = ({ feedKey, className }: ChangePercentProps) => { |
68 | | - const yesterdaysPriceState = useYesterdaysPrices(); |
69 | | - |
70 | | - switch (yesterdaysPriceState.type) { |
71 | | - case StateType.Error: |
72 | | - case StateType.Loading: |
73 | | - case StateType.NotLoaded: { |
74 | | - return <ChangeValue className={className} isLoading />; |
75 | | - } |
76 | | - |
77 | | - case StateType.Loaded: { |
78 | | - const yesterdaysPrice = yesterdaysPriceState.data.get(feedKey); |
79 | | - return yesterdaysPrice === undefined ? ( |
80 | | - <ChangeValue className={className} isLoading /> |
81 | | - ) : ( |
82 | | - <ChangePercentLoaded |
83 | | - className={className} |
84 | | - priorPrice={yesterdaysPrice} |
85 | | - feedKey={feedKey} |
86 | | - /> |
87 | | - ); |
88 | | - } |
89 | | - } |
90 | | -}; |
| 4 | +import { FormattedNumber } from "../FormattedNumber"; |
91 | 5 |
|
92 | | -type ChangePercentLoadedProps = { |
| 6 | +type PriceDifferenceProps = Omit< |
| 7 | + ComponentProps<typeof ChangeValue>, |
| 8 | + "children" | "direction" | "isLoading" |
| 9 | +> & { |
93 | 10 | className?: string | undefined; |
94 | | - priorPrice: number; |
95 | | - feedKey: string; |
96 | | -}; |
97 | | - |
98 | | -const ChangePercentLoaded = ({ |
99 | | - className, |
100 | | - priorPrice, |
101 | | - feedKey, |
102 | | -}: ChangePercentLoadedProps) => { |
103 | | - const { current } = useLivePrice(feedKey); |
104 | | - |
105 | | - return current === undefined ? ( |
106 | | - <ChangeValue className={className} isLoading /> |
107 | | - ) : ( |
108 | | - <PriceDifference |
109 | | - className={className} |
110 | | - currentPrice={current.aggregate.price} |
111 | | - priorPrice={priorPrice} |
112 | | - /> |
| 11 | +} & ( |
| 12 | + | { isLoading: true } |
| 13 | + | { |
| 14 | + isLoading?: false; |
| 15 | + currentValue: number; |
| 16 | + previousValue: number; |
| 17 | + } |
113 | 18 | ); |
114 | | -}; |
115 | | - |
116 | | -type PriceDifferenceProps = { |
117 | | - className?: string | undefined; |
118 | | - currentPrice: number; |
119 | | - priorPrice: number; |
120 | | -}; |
121 | 19 |
|
122 | | -const PriceDifference = ({ |
123 | | - className, |
124 | | - currentPrice, |
125 | | - priorPrice, |
126 | | -}: PriceDifferenceProps) => { |
127 | | - const numberFormatter = useNumberFormatter({ maximumFractionDigits: 2 }); |
128 | | - const direction = getDirection(currentPrice, priorPrice); |
129 | | - |
130 | | - return ( |
131 | | - <ChangeValue direction={direction} className={className}> |
132 | | - {numberFormatter.format( |
133 | | - (100 * Math.abs(currentPrice - priorPrice)) / priorPrice, |
134 | | - )} |
| 20 | +export const ChangePercent = ({ ...props }: PriceDifferenceProps) => |
| 21 | + props.isLoading ? ( |
| 22 | + <ChangeValue {...props} /> |
| 23 | + ) : ( |
| 24 | + <ChangeValue |
| 25 | + direction={getDirection(props.currentValue, props.previousValue)} |
| 26 | + {...props} |
| 27 | + > |
| 28 | + <FormattedNumber |
| 29 | + maximumFractionDigits={2} |
| 30 | + value={ |
| 31 | + (100 * Math.abs(props.currentValue - props.previousValue)) / |
| 32 | + props.previousValue |
| 33 | + } |
| 34 | + /> |
135 | 35 | % |
136 | 36 | </ChangeValue> |
137 | 37 | ); |
138 | | -}; |
139 | 38 |
|
140 | | -const getDirection = (currentPrice: number, priorPrice: number) => { |
141 | | - if (currentPrice < priorPrice) { |
| 39 | +const getDirection = (currentValue: number, previousValue: number) => { |
| 40 | + if (currentValue < previousValue) { |
142 | 41 | return "down"; |
143 | | - } else if (currentPrice > priorPrice) { |
| 42 | + } else if (currentValue > previousValue) { |
144 | 43 | return "up"; |
145 | 44 | } else { |
146 | 45 | return "flat"; |
147 | 46 | } |
148 | 47 | }; |
149 | | - |
150 | | -class YesterdaysPricesNotInitializedError extends Error { |
151 | | - constructor() { |
152 | | - super( |
153 | | - "This component must be contained within a <YesterdaysPricesProvider>", |
154 | | - ); |
155 | | - this.name = "YesterdaysPricesNotInitializedError"; |
156 | | - } |
157 | | -} |
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