feat: creats frontend for the project

frontend/src/api/analytics.ts

@@ -0,0 +1,38 @@
+import type {
+  AnalyticsSummaryParams,
+  AnalyticsSummaryResponse,
+  ByCategoryParams,
+  ByCategoryItem,
+  TimeseriesParams,
+  TimeseriesItem,
+} from '@family-budget/shared';
+import { api } from './client';
+
+function toQuery(params: object): string {
+  const sp = new URLSearchParams();
+  for (const [key, value] of Object.entries(params) as [string, unknown][]) {
+    if (value != null && value !== '') {
+      sp.set(key, String(value));
+    }
+  }
+  const qs = sp.toString();
+  return qs ? `?${qs}` : '';
+}
+
+export async function getSummary(
+  params: AnalyticsSummaryParams,
+): Promise<AnalyticsSummaryResponse> {
+  return api.get(`/api/analytics/summary${toQuery(params)}`);
+}
+
+export async function getByCategory(
+  params: ByCategoryParams,
+): Promise<ByCategoryItem[]> {
+  return api.get(`/api/analytics/by-category${toQuery(params)}`);
+}
+
+export async function getTimeseries(
+  params: TimeseriesParams,
+): Promise<TimeseriesItem[]> {
+  return api.get(`/api/analytics/timeseries${toQuery(params)}`);
+}