Make the map center static when map reloads

YongeStreet/Controllers/HomeController.cs

@@ -5,16 +5,20 @@ using YongeStreet.Services;
 
 namespace YongeStreet.Controllers;
 
-public record CityModel(string City, IList<CityRoadLengthStats> CityRoadLengthStats, DateOnly Date);
+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 record TmpModel(IList<string> Cities);
-
 public class HomeController : Controller
 {
-    private readonly ILogger<HomeController> _logger;
     private readonly DataService _dataService;
+    private readonly ILogger<HomeController> _logger;
 
     public HomeController(ILogger<HomeController> logger, DataService dataService)
     {
@@ -22,11 +26,12 @@ public class HomeController : Controller
         _dataService = dataService;
     }
 
-    public IActionResult City(string city, string date)
+    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);
-        return View(new CityModel(city, cityRoadLengthStats, parsedDate ));
+        var mapLocation = new MapLocation(lon, lat, zoom);
+        return View(new CityModel(city, cityRoadLengthStats, parsedDate, mapLocation));
     }
 
     public IActionResult Index()
@@ -35,9 +40,9 @@ public class HomeController : Controller
         return View(new IndexModel(cities));
     }
 
-    public IActionResult CityList_Partial(string?  search)
+    public IActionResult CityList_Partial(string? search)
     {
-        var cities = _dataService.GetCityOverview(search??"");
+        var cities = _dataService.GetCityOverview(search ?? "");
         return View(new IndexModel(cities));
     }
 
@@ -51,4 +56,4 @@ public class HomeController : Controller
     {
         return View(new ErrorViewModel { RequestId = Activity.Current?.Id ?? HttpContext.TraceIdentifier });
     }
-}
+}