Endpoint.swift

extension YelpEndpoint {
    /// Endpoint URL Path
    var path: String {
        switch self {
        case .search:
            return "/v3/businesses/search"
        case let .detail(id):
            return "/v3/businesses/\(id)"
        }
    }
    /// URL parameters
    var queryItems: [URLQueryItem] {
        switch self {
        case let .search(term, location):
            return [
                "term": term,
                "latitude": String(location.coordinate.latitude),
                "longitude": String(location.coordinate.longitude)
            ].map(URLQueryItem.init)
        case .detail:
            return []
        }
    }
    /// HTTP Method
    var method: String {
        switch self {
        case .search:
            return "GET" 
        case .detail: 
            return "GET"
        }
    }
    /// URLRequest
    var request: URLRequest {
        var urlComponents = URLComponents(string: "https://api.yelp.com")!
        urlComponents.path = path
        urlComponents.queryItems = queryItems
        var request = URLRequest(url: urlComponents.url!)
        request.httpMethod = method
        request.addValue("Bearer API_KEY", forHTTPHeaderField: "Authorization")
        return  request
    }
}…