yongestreet/YongeStreet/Controllers/HomeController.cs

using System.Diagnostics;
using Microsoft.AspNetCore.Mvc;
using YongeStreet.Models;
using YongeStreet.Services;

namespace YongeStreet.Controllers;

public record MapLocation(double? lon, double? lat, int? zoom);

public record CityModel(
    string City,
    IList<CityRoadLengthStats> CityRoadLengthStats,
    DateOnly Date,
    MapLocation mapLocation);

public record IndexModel(List<CityOverview> Cities);

public class HomeController : Controller
{
    private readonly DataService _dataService;
    private readonly ILogger<HomeController> _logger;

    public HomeController(ILogger<HomeController> logger, DataService dataService)
    {
        _logger = logger;
        _dataService = dataService;
    }

    public IActionResult City(string city, string date, double? lon, double? lat, int? zoom)
    {
        var cityRoadLengthStats = _dataService.GetCityRoadLengthStats(city);
        var parsedDate = Util.ParseDateOnly(date) ?? new DateOnly(2025, 1, 1);
        var mapLocation = new MapLocation(lon, lat, zoom);
        return View(new CityModel(city, cityRoadLengthStats, parsedDate, mapLocation));
    }

    public IActionResult Index()
    {
        var cities = _dataService.GetCityOverview();
        return View(new IndexModel(cities));
    }

    public IActionResult CityList_Partial(string? search)
    {
        var cities = _dataService.GetCityOverview(search ?? "");
        return View(new IndexModel(cities));
    }

    public IActionResult Privacy()
    {
        return View();
    }

    [ResponseCache(Duration = 0, Location = ResponseCacheLocation.None, NoStore = true)]
    public IActionResult Error()
    {
        return View(new ErrorViewModel { RequestId = Activity.Current?.Id ?? HttpContext.TraceIdentifier });
    }
}