Added an endpoint for all pin values. All pin value endpoints now return PinValueModel.

Proculite.GpioRest/Controllers/GpioController.cs

@@ -19,7 +19,13 @@ namespace Proculite.GpioRest.Controllers
             if (!ModelState.IsValid)
                 return BadRequest();
 
-            return Ok(_gpioService.CurrentPinValue(pinNumber).ToString());
+            return Ok(_gpioService.PinValueModelOfPin(pinNumber));
+        }
+
+        [HttpGet("pin-value")]
+        public IActionResult AllPinValues()
+        {
+            return Ok(_gpioService.StateOfAllPins());
         }
     }
 }

Proculite.GpioRest/Services/GpioService.cs

@@ -1,4 +1,5 @@
 using System.Device.Gpio;
+using Proculite.GpioRest.Models;
 
 namespace Proculite.GpioRest.Services
 {
@@ -47,5 +48,15 @@ namespace Proculite.GpioRest.Services
         {
             return _gpioController.Read(pinNumber);
         }
+
+        public PinValueModel PinValueModelOfPin(int pinNumber)
+        {
+            return new PinValueModel(pinNumber, _gpioController.Read(pinNumber));
+        }
+
+        public PinValueModel[] StateOfAllPins()
+        {
+            return _pins.Select(PinValueModelOfPin).ToArray();
+        }
     }
 }