export interface Facility {
name: string;
location: string;
apiName: string;
coordinates?: {
latitude: number;
longitude: number;
};
openHours?: {
[key: string]: {
start: string;
end: string;
};
};
queueStatus?: string | null;
}
export interface CanteenApiResponse {
enum_name: string;
name: string;
location: {
address: string;
latitude: number;
longitude: number;
};
canteen_id: string;
queue_status: string | null;
open_hours: {
[key: string]: {
start: string;
end: string;
};
};
}
/**
* Fetches the list of all facilities from the API
* @returns Promise with facilities data or throws error
*/
export async function fetchFacilities(): Promise<Facility[]> {
try {
const response = await fetch('https://tum-dev.github.io/eat-api/enums/canteens.json');
if (!response.ok) {
throw new Error(`HTTP error ${response.status}: ${response.statusText}`);
}
const data = await response.json() as CanteenApiResponse[];
return data.map(canteen => ({
name: canteen.name,
location: canteen.location.address,
apiName: canteen.canteen_id,
coordinates: {
latitude: canteen.location.latitude,
longitude: canteen.location.longitude
},
openHours: canteen.open_hours,
queueStatus: canteen.queue_status
}));
} catch (error) {
throw new Error(`Failed to fetch facilities: ${error instanceof Error ? error.message : 'Unknown error'}`);
}
}
// Cached facilities to avoid repeated API calls
let cachedFacilities: Facility[] | null = null;
/**
* Gets facilities with caching
* @returns Promise with facilities data
*/
export async function getFacilities(): Promise<Facility[]> {
if (cachedFacilities === null) {
cachedFacilities = await fetchFacilities();
}
return cachedFacilities;
}
