(squash) init

feat: filters, settings, backups

fix: ts compile errors

feat: new dashboard, webp previews and settings

feat: use webp for pdfs

feat: use webp

fix: analyze resets old data

fix: switch to corsproxy

fix: switch to free cors

fix: max upload limit

fix: currency conversion

feat: transaction export

fix: currency conversion

feat: refactor settings actions

feat: new loader

feat: README + LICENSE

doc: update readme

doc: update readme

doc: update readme

doc: update screenshots

ci: bump prisma

lib/currency-scraper.ts

@@ -0,0 +1,57 @@
+import { format } from "date-fns"
+
+type HistoricRate = {
+  currency: string
+  rate: number
+  inverse: number
+}
+
+export async function getCurrencyRate(currencyCodeFrom: string, currencyCodeTo: string, date: Date): Promise<number> {
+  const rates = await fetchHistoricalCurrencyRates(currencyCodeFrom, date)
+
+  if (!rates || rates.length === 0) {
+    console.log("Could not fetch currency rates", currencyCodeFrom, currencyCodeTo, date)
+    return 0
+  }
+
+  const rate = rates.find((rate) => rate.currency === currencyCodeTo)
+
+  if (!rate) {
+    console.log("Could not find currency rate", currencyCodeFrom, currencyCodeTo, date)
+    return 0
+  }
+
+  return rate.rate
+}
+
+export async function fetchHistoricalCurrencyRates(currency: string = "USD", date: Date): Promise<HistoricRate[]> {
+  const formattedDate = format(date, "yyyy-MM-dd")
+
+  const url = `https://corsproxy.io/?${encodeURIComponent(
+    `https://www.xe.com/currencytables/?from=${currency}&date=${formattedDate}`
+  )}`
+
+  const response = await fetch(url)
+
+  if (!response.ok) {
+    throw new Error(`HTTP error! Status: ${response.status}`)
+  }
+
+  const html = await response.text()
+
+  // Extract the JSON data from the __NEXT_DATA__ script tag
+  const scriptTagRegex = /<script id="__NEXT_DATA__" type="application\/json">([\s\S]*?)<\/script>/
+  const match = html.match(scriptTagRegex)
+
+  if (!match || !match[1]) {
+    throw new Error("Could not find currency data in the page")
+  }
+
+  const jsonData = JSON.parse(match[1])
+
+  const historicRates = jsonData.props.pageProps.historicRates as HistoricRate[]
+
+  console.log("Historic Rates for this date", historicRates)
+
+  return historicRates
+}