Added Entry initial repo and services for a create action.

Component/Entries/Service/EntryMappings.cs

@@ -0,0 +1,14 @@
+using AutoMapper;
+using Diary.Component.Entries.Repository;
+
+namespace Diary.Component.Entries.Service
+{
+	public class EntryMappings : Profile
+	{
+		public EntryMappings()
+		{
+			CreateMap<CreateEntryResource, Entry>();
+			CreateMap<Entry, EntryResource>();
+		}
+	}
+}

Component/Entries/Service/EntryResources.cs

@@ -0,0 +1,18 @@
+namespace Diary.Component.Entries.Service
+{
+	public class EntryResource
+	{
+		public int EnrtyID { get; set; }
+		public DateTime Date { get; set; }
+
+		public DateTime ValidFrom { get; set; }
+		public DateTime? ValidTo { get; set; }
+		public string Note { get; set; }
+	}
+
+	public class CreateEntryResource
+	{
+		public DateTime Date { get; set; }
+		public string Note { get; set; }
+	}
+}

Component/Entries/Service/EntryService.cs

@@ -0,0 +1,40 @@
+using AutoMapper;
+using Diary.Component.Entries.Repository;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Diary.Component.Entries.Service
+{
+
+
+	public interface IEntryService
+	{
+		Task<EntryResource> CreateAsync(CreateEntryResource createEntryResource);
+	}
+	public class EntryService : IEntryService
+	{
+		private readonly IEntryRepository _entryRepository;
+		private readonly IMapper _mapper;
+
+		public EntryService(IEntryRepository entryRepository, IMapper mapper)
+		{
+			_entryRepository = entryRepository ?? throw new ArgumentNullException(nameof(entryRepository));
+			_mapper = mapper ?? throw new ArgumentNullException(nameof(mapper));
+		}
+
+
+		public async Task<EntryResource> CreateAsync(CreateEntryResource createEntryResource)
+		{ 
+			Entry entry = _mapper.Map<Entry>(createEntryResource);
+
+			await _entryRepository.CreateAsync(entry);
+
+			return _mapper.Map<EntryResource>(entry);
+		
+		}
+
+	}
+}