Add project files.

Controllers/HomeController.cs

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+using Microsoft.AspNetCore.Mvc;
+using rPiNVR.Models;
+using System.Diagnostics;
+using System.Diagnostics.Metrics;
+using System.IO;
+
+namespace rPiNVR.Controllers
+{
+    public class HomeController : Controller
+    {
+        private readonly ILogger<HomeController> _logger;
+        private List<Camera> _avail;
+
+        public HomeController(ILogger<HomeController> logger)
+        {
+            _logger = logger;
+            string[] lines = System.IO.File.ReadAllLines("available.list");
+            _avail = new List<Camera>();
+            _avail.Add(new Camera(9999, "Empty"));
+            foreach (var line in lines)
+            {
+                string[] cameraDetails = line.Split(',');
+                _avail.Add(new Camera(int.Parse(cameraDetails[0]), cameraDetails[1]));
+            }
+    }
+
+        
+
+        [HttpGet]
+
+        public IActionResult Index()
+        {
+            /*AvailableCameras avail = new AvailableCameras();
+             ViewData["available"] = avail.Cameras*/
+            ViewData["available"] = _avail;
+            List<int> cams = new List<int>();
+            using (StreamReader file = new StreamReader("cam.list"))
+            {
+                string ln;
+                while ((ln = file.ReadLine()) != null)
+                {
+                    int cam;
+                    bool b = int.TryParse(ln, out cam);
+                    if (!b)
+                    {
+                        _logger.LogError("Invalid file format of cam.list", file);
+                        break;
+                    }
+
+                    cams.Add(cam);
+
+                }
+                file.Close();
+            }
+            return View(cams);
+        }
+
+        [HttpPost]
+        public IActionResult Index(List<int> cams)
+        {
+            /*AvailableCameras avail = new AvailableCameras();
+            ViewData["available"] = avail.Cameras;*/
+            ViewData["available"] = _avail;
+
+            using (StreamWriter file = new StreamWriter("cam.list"))
+            {
+                foreach (int cam in cams)
+                {
+                    file.WriteLine(cam);
+                }
+                file.Flush();
+                file.Close();
+            }
+
+            using (StreamWriter file = new StreamWriter("cam.cfg"))
+            {
+                int numCols = 1;
+                int numRows = 1;
+                if (cams.Count > 1)
+                {
+                    numCols = cams.Count / 2;
+                    numRows = 2;
+                }
+
+                file.WriteLine($"NUM_COLS={numCols}");
+                file.WriteLine($"NUM_ROWS={numRows}");
+
+                file.Flush();
+                file.Close();
+            }
+
+            ProcessStartInfo startInfo = new ProcessStartInfo() { FileName = "/bin/bash", Arguments = "rtspnvr.sh start", };
+            Process proc = new Process() { StartInfo = startInfo, };
+            proc.Start();
+
+            return View(cams);
+        }
+        
+        public IActionResult StopCameras()
+        {
+            ProcessStartInfo startInfo = new ProcessStartInfo() { FileName = "/bin/bash", Arguments = "rtspnvr.sh stop", };
+            Process proc = new Process() { StartInfo = startInfo, };
+            proc.Start();
+            return RedirectToAction("Index");
+        }
+
+        [ResponseCache(Duration = 0, Location = ResponseCacheLocation.None, NoStore = true)]
+        public IActionResult Error()
+        {
+            return View(new ErrorViewModel { RequestId = Activity.Current?.Id ?? HttpContext.TraceIdentifier });
+        }
+    }
+}