1 files changed, 57 insertions, 0 deletions
diff --git a/src/MVPtoMVVM.mvp/presenters/MvpPresenter.cs b/src/MVPtoMVVM.mvp/presenters/MvpPresenter.cs
new file mode 100644
index 0000000..e4e19ee
--- /dev/null
+++ b/src/MVPtoMVVM.mvp/presenters/MvpPresenter.cs
@@ -0,0 +1,57 @@
+using System;
+using System.Collections.Generic;
+using MVPtoMVVM.domain;
+using MVPtoMVVM.mappers;
+using MVPtoMVVM.repositories;
+using MVPtoMVVM.views;
+using System.Linq;
+
+namespace MVPtoMVVM.presenters
+{
+    public class MvpPresenter : IMvpPresenter
+    {
+        private IMvpView view;
+        private ITodoItemRepository itemRepository;
+        private ITodoItemPresenterMapper presenterMapper;
+
+        public MvpPresenter(ITodoItemRepository itemRepository, ITodoItemPresenterMapper presenterMapper)
+        {
+            this.itemRepository = itemRepository;
+            this.presenterMapper = presenterMapper;
+        }
+
+        public void SetView(IMvpView view)
+        {
+            this.view = view;
+            InitializeView();
+        }
+
+        public void AddNewItem()
+        {
+            var items = new List<ITodoItemPresenter>(view.GetTodoItems());
+            var newItem = presenterMapper.MapFrom(new TodoItem { DueDate = DateTime.Today, Description = ""});
+            items.Add(newItem);
+            view.SetTodoItems(items);
+        }
+
+        public void CancelAllChanges()
+        {
+            RefreshItems();
+        }
+
+        public void Remove(int itemId)
+        {
+            view.SetTodoItems(view.GetTodoItems().Where(x => x.Id != itemId));
+        }
+
+        private void InitializeView()
+        {
+            RefreshItems();
+        }
+
+        private void RefreshItems()
+        {
+            view.SetTodoItems(presenterMapper.MapAll(itemRepository.GetAll()));
+        }
+    }
+}
+\ No newline at end of file