refactor(frontend): split endpoint handling

frontend/src/utils/api/markers.ts

@@ -0,0 +1,40 @@
+import type { APIResponse, Marker } from "../types.ts";
+import { API_URL } from "./client.ts";
+
+const getMarkers = async (): Promise<Marker[]> => {
+    const response = await fetch(API_URL + '/api/v1/markers', { credentials: 'include' });
+    if (!response.ok) throw new Error(`Failed to fetch markers: ${response.status}`);
+
+    const result: APIResponse = await response.json();
+    if (result.status === 'error') throw new Error(`Failed to fetch markers: ${result.message}`);
+
+    return result.data;
+};
+
+const createMarker = async (message: string): Promise<Marker> => {
+    const response = await fetch(API_URL + '/api/v1/markers', {
+        method: 'POST',
+        headers: { 'Content-Type': 'application/json' },
+        credentials: 'include',
+        body: JSON.stringify({ message }),
+    });
+
+    const result: APIResponse = await response.json();
+    if (!response.ok || result.status === 'error') throw new Error(`Failed to add marker: ${result.message}`);
+
+    return result.data;
+};
+
+const deleteMarker = async (id: number): Promise<void> => {
+    const response = await fetch(API_URL + `/api/v1/markers/${id}`, {
+        method: 'DELETE',
+        credentials: 'include',
+    });
+
+    if (!response.ok) throw new Error(`Failed to delete marker: ${response.status}`);
+
+    const result: APIResponse = await response.json();
+    if (result.status === 'error') throw new Error(`Failed to delete marker: ${result.message}`);
+};
+
+export { getMarkers, createMarker, deleteMarker };