better ui

YongeStreet/Controllers/ApiController.cs

@@ -17,9 +17,16 @@ public class ApiController:  Controller
         _logger = logger;
     }
 
-    public JsonResult Roads(string city, int year=2025)
+    public ActionResult Roads(string city, string date="")
     {
-        return Json(_dataService.GetRoads(city, year));
+        var extractDate = Util.ParseDateOnly(date);
+        if (!extractDate.HasValue)
+        {
+            return BadRequest($"Cannot parse provided date {date}.  The date must be in the format yyyy-MM-dd.");
+        }
+        return Json(_dataService.GetRoads(city, extractDate.Value));
+      
+        
     }
     
 }

YongeStreet/Controllers/HomeController.cs

@@ -5,7 +5,7 @@ using YongeStreet.Services;
 
 namespace YongeStreet.Controllers;
 
-public record CityModel(string City, IList<CityRoadLengthStats> CityRoadLengthStats);
+public record CityModel(string City, IList<CityRoadLengthStats> CityRoadLengthStats, DateOnly Date);
 
 public record IndexModel(IList<CityOverview> Cities);
 
@@ -20,10 +20,11 @@ public class HomeController : Controller
         _dataService = dataService;
     }
 
-    public IActionResult City(string city)
+    public IActionResult City(string city, string date)
     {
         var cityRoadLengthStats = _dataService.GetCityRoadLengthStats(city);
-        return View(new CityModel(city, cityRoadLengthStats));
+        var parsedDate = Util.ParseDateOnly(date) ?? new DateOnly(2025, 1, 1);
+        return View(new CityModel(city, cityRoadLengthStats, parsedDate ));
     }
 
     public IActionResult Index()

YongeStreet/Controllers/Util.cs

@@ -0,0 +1,21 @@
+namespace YongeStreet.Controllers;
+
+public static class Util
+{
+    public static DateOnly? ParseDateOnly(string? date)
+    {
+        if (string.IsNullOrEmpty(date))
+        {
+            return new DateOnly(2025, 1, 1);
+        }
+        try
+        {
+            return DateOnly.ParseExact(date, "yyyy-MM-dd");
+        }
+        catch (FormatException e)
+        {
+            return null;
+        }
+    } 
+    
+}

YongeStreet/Services/DataService.cs

@@ -4,9 +4,9 @@ namespace YongeStreet.Services;
 
 public record Road(int RelationId, List<List<double>> Points);
 
-public record CityOverview(string Name, double TotalStreetSize, IList<int> AvailableYears);
+public record CityOverview(string Name, double TotalStreetSize, IList<DateOnly> AvailableDates);
 
-public record CityRoadLengthStats(string Name, double MunicipalRoadLength, int Year);
+public record CityRoadLengthStats(string Name, double MunicipalRoadLength, DateOnly Date);
 
 public class DataService
 {
@@ -20,7 +20,7 @@ public class DataService
     "unclassified"];
     private readonly string path = "/home/didier/dev/YongeStreet/real.duckdb";
 
-    public IList<Road> GetRoads(string city, int year)
+    public IList<Road> GetRoads(string city, DateOnly extractDate)
     {
         using var duckDBConnection = new DuckDBConnection($"Data Source={path};ACCESS_MODE=READ_ONLY");
         duckDBConnection.Open();
@@ -34,7 +34,7 @@ public class DataService
                                         AND list_contains($allowed_highway, highway)
                               """;
         command.Parameters.Add(new DuckDBParameter("city_name", city));
-        command.Parameters.Add(new DuckDBParameter("extract_date", new DateOnly(year, 1, 1)));
+        command.Parameters.Add(new DuckDBParameter("extract_date", extractDate));
         command.Parameters.Add(new DuckDBParameter("allowed_highway", CITY_STREET_HIGHWAY));
         using var reader = command.ExecuteReader();
 
@@ -57,7 +57,7 @@ public class DataService
         command.CommandText = """
                                   SELECT city_name, 
                                          SUM(length) FILTER (list_contains($allowed_highway, highway) AND extract_date = (Date '2025-01-01')) AS length,
-                                         LIST(DISTINCT extract('year' FROM extract_date)) AS available_years
+                                         LIST(DISTINCT extract_date) AS available_years
                                   FROM city_road 
                                   GROUP BY city_name
                                   ORDER BY length desc
@@ -70,7 +70,7 @@ public class DataService
         while (reader.Read())
             ret.Add(new CityOverview(reader.GetString(0),
                 reader.GetDouble(1),
-                reader.GetFieldValue<List<int>>(2)));
+                reader.GetFieldValue<List<DateOnly>>(2)));
 
         return ret;
     }
@@ -83,11 +83,11 @@ public class DataService
         using var command = duckDBConnection.CreateCommand();
         command.CommandText = """
                                   SELECT SUM(length) FILTER (list_contains($allowed_highway, highway)) AS length,
-                                         extract('year' FROM extract_date) AS year
+                                         extract_date AS date
                                   FROM city_road 
                                   WHERE city_name = $city_name 
                                   GROUP BY extract_date
-                                  ORDER BY year DESC
+                                  ORDER BY date DESC
                               """;
         command.Parameters.Add(new DuckDBParameter("city_name", city));
         command.Parameters.Add(new DuckDBParameter("allowed_highway", CITY_STREET_HIGHWAY));
@@ -98,7 +98,7 @@ public class DataService
         {
             ret.Add(new CityRoadLengthStats(city, 
                 reader.GetInt32(0), 
-                reader.GetInt32(1)));
+                reader.GetFieldValue<DateOnly>(1)));
         }
 
         return ret;

YongeStreet/Views/Home/City.cshtml

@@ -1,9 +1,14 @@
+@using System.Runtime.InteropServices.JavaScript
 @model YongeStreet.Controllers.CityModel
 @{
     ViewData["Title"] = "La Province";
 }
 
 
+<div>
+    <h2>@Model.City - @Model.Date.ToString("yyyy-MM-dd")</h2>
+</div>
+
 <div class="uk-height-large uk-flex uk-flex-center uk-flex-middle uk-background-cover uk-light" 
      style="background-color: black"
      id="leaflet-map"
@@ -19,10 +24,25 @@
     </tr>
     </thead>
     <tbody>
+    
     @foreach (var stats in Model.CityRoadLengthStats)
     {
         <tr>
-            <td>@stats.Year</td>
+            <td>
+                @if (stats.Date != Model.Date)
+                {
+                    @Html.ActionLink(stats.Date.ToString("yyyy-MM-dd"),
+                        "City",
+                        "Home",
+                        new { City = Model.City, Date = stats.Date.ToString("yyyy-MM-dd"), })
+                    
+                }
+                else
+                {
+                     @stats.Date.ToString("yyyy-MM-dd")
+                }
+                
+            </td>
             <td>@((stats.MunicipalRoadLength / 1000).ToString("N"))</td>
             <td></td>
         </tr>

YongeStreet/Views/Home/Index.cshtml

@@ -21,7 +21,7 @@
         <tr>
             <td>@Html.ActionLink(city.Name, "City", "Home",  new {City=city.Name})</td>
             <td>@((city.TotalStreetSize / 1000 ).ToString("N"))</td>
-            <td>@string.Join(", ", city.AvailableYears)</td>
+            <td>@string.Join(", ", city.AvailableDates)</td>
         </tr>
     }