More queries/commands

ModernKeePass.Application/Entry/Commands/SetFieldValue/SetFieldValueCommand.cs

@@ -0,0 +1,35 @@
+using System.Threading.Tasks;
+using MediatR;
+using ModernKeePass.Application.Common.Interfaces;
+using ModernKeePass.Application.Database.Queries.IsDatabaseOpen;
+using ModernKeePass.Domain.Exceptions;
+
+namespace ModernKeePass.Application.Entry.Commands.SetFieldValue
+{
+    public class SetFieldValueCommand : IRequest
+    {
+        public string EntryId { get; set; }
+        public string FieldName { get; set; }
+        public string FieldValue { get; set; }
+
+        public class SetFieldValueCommandHandler : IAsyncRequestHandler<SetFieldValueCommand>
+        {
+            private readonly IDatabaseProxy _database;
+            private readonly IMediator _mediator;
+
+            public SetFieldValueCommandHandler(IDatabaseProxy database, IMediator mediator)
+            {
+                _database = database;
+                _mediator = mediator;
+            }
+
+            public async Task Handle(SetFieldValueCommand message)
+            {
+                var isDatabaseOpen = await _mediator.Send(new IsDatabaseOpenQuery());
+                if (!isDatabaseOpen) throw new DatabaseClosedException();
+
+                _database.UpdateEntry(message.EntryId, message.FieldName, message.FieldValue);
+            }
+        }
+    }
+}