import UIKit
import CoreLocation

class ViewController: UIViewController {

    let locationManager = CLLocationManager()
    let networkRequest = NetworkRequest()
    let chargerDataSource = ChargerDataSource()

    override func viewDidLoad() {
        super.viewDidLoad()
        
        // Request location authorization from the user
        locationManager.requestWhenInUseAuthorization()
        locationManager.delegate = self
        
        // Start updating the user's location
        locationManager.startUpdatingLocation()
    }
}

extension ViewController: CLLocationManagerDelegate {
    func locationManager(_ manager: CLLocationManager, didUpdateLocations locations: [CLLocation]) {
        // Get the latest user location
        let userLocation = locations.last
        
        // Use the user's location to find EV charger locations near them
        networkRequest.fetchChargerLocations(near: userLocation) { [weak self] result in
            switch result {
            case .success(let chargerLocations):
                self?.chargerDataSource.update(with: chargerLocations)
            case .failure(let error):
                print("Failed to fetch charger locations: \(error)")
            }
        }
    }
}

class ChargerDataSource {
    private var chargerLocations: [ChargerLocation] = []

    func update(with chargerLocations: [ChargerLocation]) {
        self.chargerLocations = chargerLocations
    }
    
    func charger(at index: Int) -> ChargerLocation {
        return chargerLocations[index]
    }
}

struct ChargerLocation {
    let location: CLLocation
    let type: ChargerType
    let isInUse: Bool
}

enum ChargerType {
    case level1
    case level2
    case level3
}

class NetworkRequest {
    func fetchChargerLocations(near location: CLLocation?, completion: @escaping (Result<[ChargerLocation], Error>) -> Void) {
        // Replace this with a network request to an API that returns EV charger locations
        let chargerLocations = [
            ChargerLocation(location: CLLocation(), type: .level2, isInUse: false),
            ChargerLocation(location: CLLocation(), type: .level3, isInUse: true),
        ]
        completion(.success(chargerLocations))
    }
}

(Feb-08-2023, 08:42 AM)buran Wrote: Well, this is not python code (dummy or not). Do you have question(s) about python/python code you wrote?

import requests
import json

class NetworkRequest:
    def fetch_charger_locations(self, user_location):
        # Replace this with a real API call that returns the charger locations
        # near the user's location
        response = requests.get('https://api.example.com/charger_locations',
                                params={'latitude': user_location.latitude,
                                        'longitude': user_location.longitude})
        if response.status_code != 200:
            raise Exception('Failed to fetch charger locations')

        return json.loads(response.text)

class ChargerDataSource:
    def __init__(self):
        self.charger_locations = []

    def update(self, charger_locations):
        self.charger_locations = charger_locations

    def charger_at_index(self, index):
        return self.charger_locations[index]

class ChargerLocation:
    def __init__(self, location, type, is_in_use):
        self.location = location
        self.type = type
        self.is_in_use = is_in_use

class ViewController:
    def __init__(self):
        self.location_manager = LocationManager()
        self.network_request = NetworkRequest()
        self.charger_data_source = ChargerDataSource()

    def view_did_load(self):
        self.location_manager.request_when_in_use_authorization()
        self.location_manager.delegate = self
        self.location_manager.start_updating_location()

    def location_manager_did_update_locations(self, locations):
        user_location = locations[-1]
        charger_locations = self.network_request.fetch_charger_locations(user_location)
        self.charger_data_source.update(charger_locations)

class LocationManager:
    def request_when_in_use_authorization(self):
        # Implement the code to request location authorization from the user
        pass

    def start_updating_location(self):
        # Implement the code to start updating the user's location
        pass