Initial commit

GerstITS.Examples.Logic/Example/ExampleProvider.cs

@@ -0,0 +1,51 @@
+using AutoMapper;
+using GerstITS.Data;
+
+namespace GerstITS.Examples.Logic.Example
+{
+    internal sealed class ExampleProvider : IExampleProvider
+    {
+        #region Fields
+        
+        private readonly IMapper _mapper; 
+        
+        #endregion
+
+        #region Constructors
+
+        public ExampleProvider(IMapper mapper)
+        {
+            _mapper = mapper;
+        }
+
+        #endregion
+
+        #region IExampleProvider
+
+        public Example GetById(int id)
+        {
+            ThrowsAnExceptionIfEntityIsNotFound(id);
+
+            return _mapper.Map<Example>(id);
+        }
+
+        public Example GetById_v1_1(int id)
+        {
+            ThrowsAnExceptionIfEntityIsNotFound(id);
+
+            return _mapper.Map<Example>(id);
+        }
+
+        #endregion
+
+        #region Methods
+
+        private static void ThrowsAnExceptionIfEntityIsNotFound(int id)
+        {
+            if (id % 2 == 0)
+                throw new EntityNotFoundException($"Example mit der Id '{id}' nicht gefunden.");
+        }
+
+        #endregion
+    }
+}