refactoring type usage in existing functions & refactor fetchAttractions into own file

api/src/lib/fetch-attractions.ts

@@ -0,0 +1,30 @@
+import { AttractionImport } from '../types/attraction'
+import httpRequest from '../lib/http-request'
+
+/**
+ * Fetching the attractions from a specified park
+ * @param park API Code for request themepark
+ * @param endpoint Endpoint where to fetch data from (default: https://api.wartezeiten.app/v1/parks)
+ * @param lang Language used for API request
+ * @returns Interface with attraction code & name
+ */
+export default async function fetchAttractions(
+    park: string,
+    endpoint: string = "https://api.wartezeiten.app/v1/waitingtimes",
+    lang: string = 'de'
+): Promise<AttractionImport[]>{
+    try{
+        const headers = {
+            'language':lang,
+            'park':park
+        };
+
+        const result = await httpRequest<AttractionImport[]>(endpoint, {
+            headers: headers
+        });
+        return result;
+    }
+    catch(e){
+        throw new Error(`Failed to fetch attractions: ${e}`);
+    }
+}