Simple met.no integration for weather data. Requires attribution in w…

…eb app for use

handlenett-backend/web-api/HandlenettAPI/Controllers/WeatherController.cs

@@ -0,0 +1,27 @@
+using HandlenettAPI.Services;
+using Microsoft.AspNetCore.Authorization;
+using Microsoft.AspNetCore.Mvc;
+
+namespace HandlenettAPI.Controllers
+{
+    [Authorize]
+    [ApiController]
+    [Route("[controller]")]
+    public class WeatherController : ControllerBase
+    {
+        private Uri yrLogo = new Uri("https://www.yr.no/assets/images/logo-yr--circle.svg");
+
+        private readonly WeatherService _weatherService;
+
+        public WeatherController(WeatherService weatherService)
+        {
+            _weatherService = weatherService;
+        }
+
+        [HttpGet] //Default lat/long for Miles Haugesund
+        public async Task<IActionResult> GetWeather(double latitude = 59.408175834503076, double longitude = 5.273991771778363)
+        {
+            return Ok(await _weatherService.GetWeatherByCoordinatesAsync(latitude, longitude));
+        }
+    }
+}

handlenett-backend/web-api/HandlenettAPI/Models/Weather.cs

@@ -0,0 +1,8 @@
+namespace HandlenettAPI.Models
+{
+    public class Weather
+    {
+        public string Temperature { get; set; }
+        public Uri ImageUri { get; set; }
+    }
+}

handlenett-backend/web-api/HandlenettAPI/Program.cs

@@ -48,7 +48,7 @@
         builder.AllowAnyHeader().AllowAnyOrigin().AllowAnyMethod().WithOrigins("http://localhost:3000", "http://localhost:3000");
     });
 });
-
+builder.Services.AddHttpClient<WeatherService>();
 
 builder.Services.AddHttpClient("SlackClient", client =>
 {

handlenett-backend/web-api/HandlenettAPI/Services/WeatherService.cs

@@ -0,0 +1,42 @@
+using HandlenettAPI.Models;
+using Newtonsoft.Json.Linq;
+
+namespace HandlenettAPI.Services
+{
+    public class WeatherService
+    {
+        private readonly HttpClient _httpClient;
+
+        public WeatherService(HttpClient httpClient)
+        {
+            _httpClient = httpClient;
+            _httpClient.DefaultRequestHeaders.Add("User-Agent", "Miles Haugesund Handlenett/1.0 ([email protected])");
+        }
+
+        public async Task<Weather> GetWeatherByCoordinatesAsync(double latitude, double longitude)
+        {
+            var returnModel = new Weather();
+            var url = $"https://api.met.no/weatherapi/locationforecast/2.0/compact?lat={latitude}&lon={longitude}";
+
+            var response = await _httpClient.GetAsync(url);
+
+            if (response.IsSuccessStatusCode)
+            {
+                var content = await response.Content.ReadAsStringAsync();
+                var json = JObject.Parse(content);
+
+                returnModel.Temperature = json["properties"]["timeseries"][0]["data"]["instant"]["details"]["air_temperature"].ToString();
+                var symbol = json["properties"]["timeseries"][0]["data"]["next_1_hours"]["summary"]["symbol_code"].ToString();
+                //returnModel.ImageUri = new Uri($"https://api.met.no/weatherapi/weathericon/2.0/?symbol={symbol}&content_type=image/png");
+                //https://github.com/metno/weathericons
+                return returnModel;
+            }
+            else
+            {
+                throw new Exception ("Unable to retrieve weather data from MET Norway.");
+            }
+        }
+
+
+    }
+}