Добавлен API для прогноза погоды

UlstuGosApi/Program.cs

@@ -37,4 +37,8 @@ app.MapGroup("/timetable")
     .AddTimeTable()
     .WithTags("TimeTable");
 
+app.MapGroup("/weather")
+    .AddWeather()
+    .WithTags("Weather");
+
 app.Run();

UlstuGosApi/WeatherRouteGroup.cs

@@ -0,0 +1,65 @@
+namespace UlstuGosApi;
+
+public static class WeatherRouteGroup
+{
+    public static RouteGroupBuilder AddWeather(this RouteGroupBuilder group)
+    {
+        group.MapGet("/", (double lattitude, double longitude) =>
+        {
+            var location = string.Empty;
+
+            if (Math.Abs(lattitude - 55.75) + Math.Abs(longitude - 37.61) < 1)
+            {
+                location = "Москва";
+            }
+            else if (Math.Abs(lattitude - 54.3) + Math.Abs(longitude - 48.4) < 1)
+            {
+                location = "Ульяновск";
+            }
+            else
+            {
+                return Results.BadRequest("Location not found");
+            }
+
+            var result = new List<WeatherInfo>();
+            var now = DateTimeOffset.UtcNow;
+            var currentDate = new DateTimeOffset(DateOnly.FromDateTime(now.Date), TimeOnly.MinValue, now.Offset);
+            foreach (var idx in Enumerable.Range(0, 10))
+            {
+                result.Add(
+                    new WeatherInfo(
+                        location,
+                        currentDate.AddHours(8 * idx),
+                        Random.Shared.NextDouble() * 10 + 10,
+                        windDirections[Random.Shared.Next(windDirections.Length)],
+                        Random.Shared.NextDouble() * 10,
+                        Random.Shared.NextDouble() * 100
+                        ));
+            }
+            return Results.Ok(result.ToArray());
+        })
+            .Produces<WeatherInfo[]>()
+            .WithSummary("Прогноз погоды");
+
+        return group;
+    }
+
+    private static string[] windDirections = ["С", "СВ", "В", "ЮВ", "Ю", "ЮЗ", "З", "СЗ"];
+}
+
+/// <summary>
+/// Информация о погоде.
+/// </summary>
+/// <param name="Location">Местоположение.</param>
+/// <param name="Date">Дата и время.</param>
+/// <param name="Temperature">Температура.</param>
+/// <param name="WindDirection">Направление ветра.</param>
+/// <param name="WindSpeed">Скорость ветра.</param>
+/// <param name="Humidity">Влажность.</param>
+public sealed record WeatherInfo(
+    string Location,
+    DateTimeOffset Date,
+    double Temperature,
+    string WindDirection,
+    double WindSpeed,
+    double Humidity);