initial commit of source

src/Core/Exceptions/BadRequestException.cs

@@ -0,0 +1,30 @@
+using System;
+using Microsoft.AspNet.Mvc.ModelBinding;
+
+namespace Bit.Core.Exceptions
+{
+    public class BadRequestException : Exception
+    {
+        public BadRequestException(string message) : this(string.Empty, message) { }
+
+        public BadRequestException(string key, string errorMessage)
+            : base("The model state is invalid.")
+        {
+            ModelState = new ModelStateDictionary();
+            ModelState.AddModelError(key, errorMessage);
+        }
+
+        public BadRequestException(ModelStateDictionary modelState)
+            : base("The model state is invalid.")
+        {
+            if(modelState.IsValid || modelState.ErrorCount == 0)
+            {
+                return;
+            }
+
+            ModelState = modelState;
+        }
+
+        public ModelStateDictionary ModelState { get; set; }
+    }
+}

src/Core/Exceptions/NotFoundException.cs

@@ -0,0 +1,6 @@
+using System;
+
+namespace Bit.Core.Exceptions
+{
+    public class NotFoundException : Exception { }
+}