ui updates, use services

BinaryDad.AacpsBusAlert.Services/BusRouteService/HtmlScrapeBusRouteService.cs

@@ -0,0 +1,44 @@
+using BinaryDad.Extensions;
+using Newtonsoft.Json;
+using System.Text.RegularExpressions;
+
+namespace BinaryDad.AacpsBusAlert.Services
+{
+    public class HtmlScrapeBusRouteService : IBusRouteService
+    {
+        private readonly HttpClient httpClient;
+
+        public HtmlScrapeBusRouteService(IHttpClientFactory httpClientFactory)
+        {
+            httpClient = httpClientFactory.CreateClient();
+        }
+
+        public async Task<ICollection<BusRoute>> GetBusRoutesAsync()
+        {
+            var url = "https://busstops.aacps.org/public/BusRouteIssues.aspx";
+            var content = await httpClient.GetStringAsync(url);
+
+            var dataArrayMatch = Regex.Match(content, "var dataArray \\= (.*)\\;");
+
+            if (dataArrayMatch.Success && dataArrayMatch.Groups.Count == 2)
+            {
+                var dataArray = dataArrayMatch.Groups[1].Value;
+
+                var parsedArray = JsonConvert.DeserializeObject<string[][]>(dataArray);
+
+                return parsedArray
+                    .Select(r => new BusRoute
+                    {
+                        BusNumber = r[0].To<int>(),
+                        SubBusNumber = r[1].To<int>(),
+                        Schools = r[2],
+                        Schedules = r[3],
+                        Impact = r[4]
+                    })
+                    .ToList();
+            }
+
+            throw new ApplicationException("Unable to parse bus route page");
+        }
+    }
+}

BinaryDad.AacpsBusAlert.Services/BusRouteService/IBusRouteService.cs

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+namespace BinaryDad.AacpsBusAlert.Services
+{
+    public interface IBusRouteService
+    {
+        Task<ICollection<BusRoute>> GetBusRoutesAsync();
+    }
+}