More commands/queries

WIP on XAML EntryVm and GroupVm

ModernKeePass.Application/Group/Commands/InsertEntry/InsertEntryCommand.cs

@@ -0,0 +1,34 @@
+using System.Threading.Tasks;
+using MediatR;
+using ModernKeePass.Application.Common.Interfaces;
+using ModernKeePass.Application.Entry.Models;
+using ModernKeePass.Application.Group.Models;
+using ModernKeePass.Domain.Exceptions;
+
+namespace ModernKeePass.Application.Group.Commands.InsertEntry
+{
+    public class InsertEntryCommand : IRequest
+    {
+        public GroupVm ParentGroup { get; set; }
+        public EntryVm Entry { get; set; }
+        public int Index { get; set; }
+
+        public class InsertEntryCommandHandler : IAsyncRequestHandler<InsertEntryCommand>
+        {
+            private readonly IDatabaseProxy _database;
+
+            public InsertEntryCommandHandler(IDatabaseProxy database)
+            {
+                _database = database;
+            }
+
+            public async Task Handle(InsertEntryCommand message)
+            {
+                if (!_database.IsOpen) throw new DatabaseClosedException();
+
+                await _database.InsertEntry(message.ParentGroup.Id, message.Entry.Id, message.Index);
+                message.ParentGroup.Entries.Insert(message.Index, message.Entry);
+            }
+        }
+    }
+}