initial commit

apps/frontend/src/lib/api.ts

@@ -0,0 +1,82 @@
+export type Quote = {
+  id: number;
+  timeStamp: string;
+  buy: string;
+  sell: string;
+  type: "BELO" | "BLUE" | "BNA";
+  difference: string;
+  percentage: string;
+  previousDayDifference: string;
+  previousDayPercentage: string;
+};
+
+export type FetchResult = {
+  type: string;
+  status: string;
+  error?: string;
+};
+
+export type HistoryQuote = {
+  id: number;
+  timeStamp: string;
+  buy: string;
+  sell: string;
+  type: "BELO" | "BLUE" | "BNA";
+};
+
+export type DailyMinMax = {
+  date: string;
+  minBuy: number;
+  maxBuy: number;
+  minSell: number;
+  maxSell: number;
+};
+
+export type DailyQuote = {
+  date: string;
+  buy: number;
+  sell: number;
+};
+
+async function fetcher<T>(url: string): Promise<T> {
+  const res = await fetch(url);
+  if (!res.ok) {
+    throw new Error(`API error: ${res.status} ${res.statusText}`);
+  }
+  return res.json();
+}
+
+export function getQuotes(): Promise<Quote[]> {
+  return fetcher<Quote[]>("/api/quotes");
+}
+
+export function fetchQuotes(): Promise<FetchResult[]> {
+  return fetcher<FetchResult[]>("/api/quotes/fetch");
+}
+
+export function getQuoteHistory(
+  type: string,
+  startDate: string,
+  endDate: string,
+): Promise<HistoryQuote[]> {
+  const params = new URLSearchParams({ startDate, endDate });
+  return fetcher<HistoryQuote[]>(`/api/quotes/${type}/history?${params}`);
+}
+
+export function getDailyMinMax(
+  type: string,
+  startDate: string,
+  endDate: string,
+): Promise<DailyMinMax[]> {
+  const params = new URLSearchParams({ startDate, endDate });
+  return fetcher<DailyMinMax[]>(`/api/quotes/${type}/min-max?${params}`);
+}
+
+export function getDailyQuotes(
+  type: string,
+  startDate: string,
+  endDate: string,
+): Promise<DailyQuote[]> {
+  const params = new URLSearchParams({ startDate, endDate });
+  return fetcher<DailyQuote[]>(`/api/quotes/${type}/daily?${params}`);
+}