Initial MUH app implementation

frontend/src/lib/api.ts

@@ -0,0 +1,58 @@
+const API_ROOT = import.meta.env.VITE_API_URL ?? "http://localhost:8090/api";
+
+async function handleResponse<T>(response: Response): Promise<T> {
+  if (!response.ok) {
+    const text = await response.text();
+    throw new Error(text || "Unbekannter API-Fehler");
+  }
+  if (response.status === 204) {
+    return undefined as T;
+  }
+  return (await response.json()) as T;
+}
+
+export async function apiGet<T>(path: string): Promise<T> {
+  return handleResponse<T>(await fetch(`${API_ROOT}${path}`));
+}
+
+export async function apiPost<T>(path: string, body: unknown): Promise<T> {
+  return handleResponse<T>(
+    await fetch(`${API_ROOT}${path}`, {
+      method: "POST",
+      headers: { "Content-Type": "application/json" },
+      body: JSON.stringify(body),
+    }),
+  );
+}
+
+export async function apiPut<T>(path: string, body: unknown): Promise<T> {
+  return handleResponse<T>(
+    await fetch(`${API_ROOT}${path}`, {
+      method: "PUT",
+      headers: { "Content-Type": "application/json" },
+      body: JSON.stringify(body),
+    }),
+  );
+}
+
+export async function apiPatch<T>(path: string, body: unknown): Promise<T> {
+  return handleResponse<T>(
+    await fetch(`${API_ROOT}${path}`, {
+      method: "PATCH",
+      headers: { "Content-Type": "application/json" },
+      body: JSON.stringify(body),
+    }),
+  );
+}
+
+export async function apiDelete(path: string): Promise<void> {
+  await handleResponse<void>(
+    await fetch(`${API_ROOT}${path}`, {
+      method: "DELETE",
+    }),
+  );
+}
+
+export function pdfUrl(sampleId: string): string {
+  return `${API_ROOT}/portal/reports/${sampleId}/pdf`;
+}