Added and Started on views for Chart Viewer

Controllers/ChartsController.cs

@@ -0,0 +1,61 @@
+using System;
+using System.Collections.Generic;
+using System.Diagnostics;
+using System.Linq;
+using System.Threading.Tasks;
+using Microsoft.AspNetCore.Mvc;
+using Microsoft.Extensions.Logging;
+using EFB.Models;
+using EFB.Controllers.Form;
+using EFB.Sessions;
+
+namespace EFB.Controllers
+{
+    //[Route("[controller]")]
+    public class ChartsController : Controller
+    {
+        private readonly ILogger<ChartsController> _logger;
+
+        public ChartsController(ILogger<ChartsController> logger)
+        {
+            _logger = logger;
+        }
+
+        public async Task<IActionResult> Index(string ICAO)
+        {
+            if(ICAO == null)
+                return View();
+
+            if (FormAuthenticator.ValidateICAOCode(ICAO))
+            {
+                var charts = await ChartModel.FetchAsync(ICAO);
+                if (charts != null)
+                {
+                    ChartModel chartModel = new ChartModel(charts);
+                    // return ViewCharts(chartModel);
+                    HttpContext.Session.SetObject("Charts", chartModel);
+                    return RedirectToAction("ViewCharts");
+                }
+            }else
+            {
+                TempData["Error"] = "Invalid ICAO";
+            }
+            return View();
+        }
+
+        public IActionResult ViewCharts(){
+            ChartModel charts = HttpContext.Session.GetObject<ChartModel>("Charts");
+            if (charts != null)
+            {
+                return View("ViewCharts", charts);
+            }
+            return RedirectToAction("Index");
+        }
+
+        [ResponseCache(Duration = 0, Location = ResponseCacheLocation.None, NoStore = true)]
+        public IActionResult Error()
+        {
+            return View("Error!");
+        }
+    }
+}