WIP Clean Architecture

Windows 8.1 App Uses keepasslib v2.44 (temporarily)

ModernKeePass.Application.12/Common/Interfaces/ICryptographyClient.cs

@@ -0,0 +1,12 @@
+using System.Collections.Generic;
+using ModernKeePass.Domain.Entities;
+
+namespace ModernKeePass.Application.Common.Interfaces
+{
+    public interface ICryptographyClient
+    {
+        IEnumerable<BaseEntity> Ciphers { get; }
+        IEnumerable<BaseEntity> KeyDerivations { get; }
+        IEnumerable<string> CompressionAlgorithms { get; }
+    }
+}

ModernKeePass.Application.12/Common/Interfaces/IDatabaseProxy.cs

@@ -0,0 +1,28 @@
+using System.Threading.Tasks;
+using ModernKeePass.Domain.Dtos;
+using ModernKeePass.Domain.Entities;
+
+namespace ModernKeePass.Application.Common.Interfaces
+{
+    public interface IDatabaseProxy
+    {
+        bool IsOpen { get; }
+        GroupEntity RecycleBin { get; set; }
+        BaseEntity Cipher { get; set; }
+        BaseEntity KeyDerivation { get; set; }
+        string Compression { get; set; }
+
+        Task<DatabaseEntity> Open(FileInfo fileInfo, Credentials credentials);
+        Task<DatabaseEntity> Create(FileInfo fileInfo, Credentials credentials);
+        Task SaveDatabase();
+        Task SaveDatabase(FileInfo FileInfo);
+        Task UpdateCredentials(Credentials credentials);
+        void CloseDatabase();
+        Task AddEntry(GroupEntity parentGroup, EntryEntity entity);
+        Task AddGroup(GroupEntity parentGroup, GroupEntity entity);
+        Task UpdateEntry(EntryEntity entity);
+        Task UpdateGroup(GroupEntity entity);
+        Task DeleteEntry(EntryEntity entity);
+        Task DeleteGroup(GroupEntity entity);
+    }
+}

ModernKeePass.Application.12/Common/Interfaces/IFileProxy.cs

@@ -0,0 +1,13 @@
+using System.Collections.Generic;
+using System.Threading.Tasks;
+
+namespace ModernKeePass.Application.Common.Interfaces
+{
+    public interface IFileProxy
+    {
+        Task<byte[]> OpenBinaryFile(string path);
+        Task<IList<string>> OpenTextFile(string path);
+        Task WriteBinaryContentsToFile(string path, byte[] contents);
+        void ReleaseFile(string path);
+    }
+}

ModernKeePass.Application.12/Common/Interfaces/IHasSelectableObject.cs

@@ -0,0 +1,7 @@
+namespace ModernKeePass.Application.Common.Interfaces
+{
+    public interface IHasSelectableObject
+    {
+        ISelectableModel SelectedItem { get; set; }
+    }
+}

ModernKeePass.Application.12/Common/Interfaces/IImportFormat.cs

@@ -0,0 +1,10 @@
+using System.Collections.Generic;
+using System.Threading.Tasks;
+
+namespace ModernKeePass.Application.Common.Interfaces
+{
+    public interface IImportFormat
+    {
+        Task<List<Dictionary<string, string>>> Import(string path);
+    }
+}

ModernKeePass.Application.12/Common/Interfaces/IIsEnabled.cs

@@ -0,0 +1,7 @@
+namespace ModernKeePass.Application.Common.Interfaces
+{
+    public interface IIsEnabled
+    {
+        bool IsEnabled { get; }
+    }
+}

ModernKeePass.Application.12/Common/Interfaces/IPasswordProxy.cs

@@ -0,0 +1,11 @@
+using ModernKeePass.Domain.Dtos;
+
+namespace ModernKeePass.Application.Common.Interfaces
+{
+    public interface IPasswordProxy
+    {
+        string GeneratePassword(PasswordGenerationOptions options);
+        uint EstimatePasswordComplexity(string password);
+        byte[] GenerateKeyFile(byte[] additionalEntropy);
+    }
+}

ModernKeePass.Application.12/Common/Interfaces/IProxyInvocationHandler.cs

@@ -0,0 +1,9 @@
+using System.Reflection;
+
+namespace ModernKeePass.Application.Common.Interfaces
+{
+    public interface IProxyInvocationHandler
+    {
+        object Invoke(object proxy, MethodInfo method, object[] parameters);
+    }
+}

ModernKeePass.Application.12/Common/Interfaces/IRecentProxy.cs

@@ -0,0 +1,15 @@
+using System.Collections.Generic;
+using System.Threading.Tasks;
+using ModernKeePass.Domain.Dtos;
+
+namespace ModernKeePass.Application.Common.Interfaces
+{
+    public interface IRecentProxy
+    {
+        int EntryCount { get; }
+        Task<FileInfo> Get(string token);
+        Task<IEnumerable<FileInfo>> GetAll();
+        Task Add(FileInfo recentItem);
+        void ClearAll();
+    }
+}

ModernKeePass.Application.12/Common/Interfaces/IResourceProxy.cs

@@ -0,0 +1,7 @@
+namespace ModernKeePass.Application.Common.Interfaces
+{
+    public interface IResourceProxy
+    {
+        string GetResourceValue(string key);
+    }
+}

ModernKeePass.Application.12/Common/Interfaces/ISelectableModel.cs

@@ -0,0 +1,7 @@
+namespace ModernKeePass.Application.Common.Interfaces
+{
+    public interface ISelectableModel
+    {
+        bool IsSelected { get; set; }
+    }
+}

ModernKeePass.Application.12/Common/Interfaces/ISettingsProxy.cs

@@ -0,0 +1,8 @@
+namespace ModernKeePass.Application.Common.Interfaces
+{
+    public interface ISettingsProxy
+    {
+        T GetSetting<T>(string property, T defaultValue = default);
+        void PutSetting<T>(string property, T value);
+    }
+}

ModernKeePass.Application.12/Common/Mappings/IMapFrom.cs

@@ -0,0 +1,10 @@
+using AutoMapper;
+
+namespace ModernKeePass.Application.Common.Mappings
+{
+
+    public interface IMapFrom<T>
+    {
+        void Mapping(Profile profile);
+    }
+}

ModernKeePass.Application.12/Common/Mappings/MappingProfile.cs

@@ -0,0 +1,30 @@
+using System;
+using System.Linq;
+using System.Reflection;
+using AutoMapper;
+
+namespace ModernKeePass.Application.Common.Mappings
+{
+    public class MappingProfile : Profile
+    {
+        public MappingProfile()
+        {
+            ApplyMappingsFromAssembly(Assembly.GetExecutingAssembly());
+        }
+
+        private void ApplyMappingsFromAssembly(Assembly assembly)
+        {
+            var types = assembly.GetExportedTypes()
+                .Where(t => t.GetInterfaces().Any(i =>
+                    i.IsGenericType && i.GetGenericTypeDefinition() == typeof(IMapFrom<>)))
+                .ToList();
+
+            foreach (var type in types)
+            {
+                var instance = Activator.CreateInstance(type);
+                var methodInfo = type.GetMethod("Mapping");
+                methodInfo?.Invoke(instance, new object[] { this });
+            }
+        }
+    }
+}

ModernKeePass.Application.12/Common/Mappings/MappingProfiles.cs

@@ -0,0 +1,17 @@
+using AutoMapper;
+using ModernKeePass.Application.Database.Models;
+using ModernKeePass.Application.Entry.Models;
+using ModernKeePass.Application.Group.Models;
+
+namespace ModernKeePass.Application.Common.Mappings
+{
+    public class MappingProfiles: Profile
+    {
+        public void ApplyMappings()
+        {
+            new DatabaseVm().Mapping(this);
+            new EntryVm().Mapping(this);
+            new GroupVm().Mapping(this);
+        }
+    }
+}

ModernKeePass.Application.12/Database/Commands/CloseDatabase/CloseDatabaseCommand.cs

@@ -0,0 +1,31 @@
+using MediatR;
+using System.Threading;
+using System.Threading.Tasks;
+using ModernKeePass.Application.Common.Interfaces;
+using ModernKeePass.Application.Database.Queries.IsDatabaseOpen;
+using ModernKeePass.Domain.Exceptions;
+
+namespace ModernKeePass.Application.Database.Commands.CloseDatabase
+{
+    public class CloseDatabaseCommand: IRequest
+    {
+        public class CloseDatabaseCommandHandler : IRequestHandler<CloseDatabaseCommand>
+        {
+            private readonly IDatabaseProxy _database;
+            private readonly IMediator _mediator;
+
+            public CloseDatabaseCommandHandler(IDatabaseProxy database, IMediator mediator)
+            {
+                _database = database;
+                _mediator = mediator;
+            }
+
+            public async Task Handle(CloseDatabaseCommand message, CancellationToken cancellationToken)
+            {
+                var isDatabaseOpen = await _mediator.Send(new IsDatabaseOpenQuery(), cancellationToken);
+                if (isDatabaseOpen) _database.CloseDatabase();
+                else throw new DatabaseClosedException();
+            }
+        }
+    }
+}

ModernKeePass.Application.12/Database/Commands/CreateDatabase/CreateDatabaseCommand.cs

@@ -0,0 +1,48 @@
+using MediatR;
+using System.Threading;
+using System.Threading.Tasks;
+using AutoMapper;
+using ModernKeePass.Application.Common.Interfaces;
+using ModernKeePass.Application.Database.Models;
+using ModernKeePass.Application.Database.Queries.IsDatabaseOpen;
+using ModernKeePass.Application.Group.Models;
+using ModernKeePass.Domain.Dtos;
+using ModernKeePass.Domain.Exceptions;
+
+namespace ModernKeePass.Application.Database.Commands.CreateDatabase
+{
+    public class CreateDatabaseCommand : IRequest<DatabaseVm>
+    {
+        public FileInfo FileInfo { get; set; }
+        public Credentials Credentials { get; set; }
+
+        public class CreateDatabaseCommandHandler : IRequestHandler<CreateDatabaseCommand, DatabaseVm>
+        {
+            private readonly IDatabaseProxy _database;
+            private readonly IMediator _mediator;
+            private readonly IMapper _mapper;
+
+            public CreateDatabaseCommandHandler(IDatabaseProxy database, IMediator mediator, IMapper mapper)
+            {
+                _database = database;
+                _mediator = mediator;
+                _mapper = mapper;
+            }
+
+            public async Task<DatabaseVm> Handle(CreateDatabaseCommand message, CancellationToken cancellationToken)
+            {
+                var isDatabaseOpen = await _mediator.Send(new IsDatabaseOpenQuery(), cancellationToken);
+                if (isDatabaseOpen) throw new DatabaseOpenException();
+
+                var database = await _database.Create(message.FileInfo, message.Credentials);
+                var databaseVm = new DatabaseVm
+                {
+                    IsOpen = true,
+                    Name = database.Name,
+                    RootGroup = _mapper.Map<GroupVm>(database.RootGroupEntity)
+                };
+                return databaseVm;
+            }
+        }
+    }
+}

ModernKeePass.Application.12/Database/Commands/SaveDatabase/SaveDatabaseCommand.cs

@@ -0,0 +1,31 @@
+using MediatR;
+using System.Threading;
+using System.Threading.Tasks;
+using ModernKeePass.Application.Common.Interfaces;
+using ModernKeePass.Application.Database.Queries.IsDatabaseOpen;
+using ModernKeePass.Domain.Exceptions;
+
+namespace ModernKeePass.Application.Database.Commands.SaveDatabase
+{
+    public class SaveDatabaseCommand : IRequest
+    {
+        public class SaveDatabaseCommandHandler : IRequestHandler<SaveDatabaseCommand>
+        {
+            private readonly IDatabaseProxy _database;
+            private readonly IMediator _mediator;
+
+            public SaveDatabaseCommandHandler(IDatabaseProxy database, IMediator mediator)
+            {
+                _database = database;
+                _mediator = mediator;
+            }
+
+            public async Task Handle(SaveDatabaseCommand message, CancellationToken cancellationToken)
+            {
+                var isDatabaseOpen = await _mediator.Send(new IsDatabaseOpenQuery(), cancellationToken);
+                if (isDatabaseOpen) await _database.SaveDatabase();
+                else throw new DatabaseClosedException();
+            }
+        }
+    }
+}

ModernKeePass.Application.12/Database/Models/DatabaseVm.cs

@@ -0,0 +1,21 @@
+using AutoMapper;
+using ModernKeePass.Application.Common.Mappings;
+using ModernKeePass.Application.Group.Models;
+using ModernKeePass.Domain.Entities;
+
+namespace ModernKeePass.Application.Database.Models
+{
+    public class DatabaseVm: IMapFrom<DatabaseEntity>
+    {
+        public bool IsOpen { get; set; }
+        public string Name { get; set; }
+        public GroupVm RootGroup { get; set; }
+
+        public void Mapping(Profile profile)
+        {
+            profile.CreateMap<DatabaseEntity, DatabaseVm>()
+                .ForMember(d => d.Name, opts => opts.MapFrom(s => s.Name))
+                .ForMember(d => d.RootGroup, opts => opts.MapFrom(s => s.RootGroupEntity));
+        }
+    }
+}

ModernKeePass.Application.12/Database/Models/MainVm.cs

@@ -0,0 +1,7 @@
+namespace ModernKeePass.Application.Database.Models
+{
+    public class MainVm
+    {
+        
+    }
+}

ModernKeePass.Application.12/Database/Queries/IsDatabaseOpen/IsDatabaseOpenQuery.cs

@@ -0,0 +1,24 @@
+using System.Threading;
+using System.Threading.Tasks;
+using MediatR;
+using ModernKeePass.Application.Common.Interfaces;
+
+namespace ModernKeePass.Application.Database.Queries.IsDatabaseOpen
+{
+    public class IsDatabaseOpenQuery: IRequest<bool>
+    {
+        public class IsDatabaseOpenQueryHandler: IRequestHandler<IsDatabaseOpenQuery, bool>
+        {
+            private readonly IDatabaseProxy _databaseProxy;
+
+            public IsDatabaseOpenQueryHandler(IDatabaseProxy databaseProxy)
+            {
+                _databaseProxy = databaseProxy;
+            }
+            public Task<bool> Handle(IsDatabaseOpenQuery request, CancellationToken cancellationToken)
+            {
+                return Task.FromResult(_databaseProxy.IsOpen);
+            }
+        }
+    }
+}

ModernKeePass.Application.12/Database/Queries/OpenDatabase/OpenDatabaseQuery.cs

@@ -0,0 +1,48 @@
+using System.Threading;
+using System.Threading.Tasks;
+using AutoMapper;
+using MediatR;
+using ModernKeePass.Application.Common.Interfaces;
+using ModernKeePass.Application.Database.Models;
+using ModernKeePass.Application.Database.Queries.IsDatabaseOpen;
+using ModernKeePass.Application.Group.Models;
+using ModernKeePass.Domain.Dtos;
+using ModernKeePass.Domain.Exceptions;
+
+namespace ModernKeePass.Application.Database.Queries.OpenDatabase
+{
+    public class OpenDatabaseQuery: IRequest<DatabaseVm>
+    {
+        public FileInfo FileInfo { get; set; }
+        public Credentials Credentials { get; set; }
+
+        public class OpenDatabaseQueryHandler : IRequestHandler<OpenDatabaseQuery, DatabaseVm>
+        {
+            private readonly IMapper _mapper;
+            private readonly IMediator _mediator;
+            private readonly IDatabaseProxy _databaseProxy;
+
+            public OpenDatabaseQueryHandler(IMapper mapper, IMediator mediator, IDatabaseProxy databaseProxy)
+            {
+                _mapper = mapper;
+                _mediator = mediator;
+                _databaseProxy = databaseProxy;
+            }
+
+            public async Task<DatabaseVm> Handle(OpenDatabaseQuery request, CancellationToken cancellationToken)
+            {
+                var isDatabaseOpen = await _mediator.Send(new IsDatabaseOpenQuery(), cancellationToken);
+                if (isDatabaseOpen) throw new DatabaseOpenException();
+
+                var database = await _databaseProxy.Open(request.FileInfo, request.Credentials);
+                var databaseVm = new DatabaseVm
+                {
+                    IsOpen = true,
+                    Name = database.Name,
+                    RootGroup = _mapper.Map<GroupVm>(database.RootGroupEntity)
+                };
+                return databaseVm;
+            }
+        }
+    }
+}

ModernKeePass.Application.12/Database/Queries/OpenDatabase/OpenDatabaseQueryValidator.cs

@@ -0,0 +1,12 @@
+using FluentValidation;
+
+namespace ModernKeePass.Application.Database.Queries.OpenDatabase
+{
+    public class OpenDatabaseQueryValidator : AbstractValidator<OpenDatabaseQuery>
+    {
+        public OpenDatabaseQueryValidator()
+        {
+            RuleFor(v => v.Credentials != null && v.FileInfo != null);
+        }
+    }
+}

ModernKeePass.Application.12/DependencyInjection.cs

@@ -0,0 +1,13 @@
+using Microsoft.Extensions.DependencyInjection;
+
+namespace ModernKeePass.Application
+{
+    public static class DependencyInjection
+    {
+        public static IServiceCollection AddApplication(this IServiceCollection services)
+        {
+
+            return services;
+        }
+    }
+}

ModernKeePass.Application.12/Entry/Models/EntryVm.cs

@@ -0,0 +1,27 @@
+using System.Drawing;
+using AutoMapper;
+using ModernKeePass.Application.Common.Mappings;
+using ModernKeePass.Domain.Entities;
+using ModernKeePass.Domain.Enums;
+
+namespace ModernKeePass.Application.Entry.Models
+{
+    public class EntryVm: IMapFrom<EntryEntity>
+    {
+        public string Id { get; set; }
+        public string Title { get; set; }
+        public Icon Icon { get; set; }
+        public Color ForegroundColor { get; set; }
+        public Color BackgroundColor { get; set; }
+
+        public void Mapping(Profile profile)
+        {
+            profile.CreateMap<EntryEntity, EntryVm>()
+                .ForMember(d => d.Id, opts => opts.MapFrom(s => s.Id))
+                .ForMember(d => d.Title, opts => opts.MapFrom(s => s.Name))
+                .ForMember(d => d.Icon, opts => opts.MapFrom(s => s.Icon))
+                .ForMember(d => d.ForegroundColor, opts => opts.MapFrom(s => s.ForegroundColor))
+                .ForMember(d => d.BackgroundColor, opts => opts.MapFrom(s => s.BackgroundColor));
+        }
+    }
+}

ModernKeePass.Application.12/Group/Models/GroupVm.cs

@@ -0,0 +1,33 @@
+using System.Collections.Generic;
+using System.Drawing;
+using AutoMapper;
+using ModernKeePass.Application.Common.Mappings;
+using ModernKeePass.Application.Entry.Models;
+using ModernKeePass.Domain.Entities;
+using ModernKeePass.Domain.Enums;
+
+namespace ModernKeePass.Application.Group.Models
+{
+    public class GroupVm: IMapFrom<GroupEntity>
+    {
+        public string Id { get; set; }
+        public string Title { get; set; }
+        public Icon Icon { get; set; }
+        public Color ForegroundColor { get; set; }
+        public Color BackgroundColor { get; set; }
+        public List<GroupVm> SubGroups { get; set; } = new List<GroupVm>();
+        public List<EntryVm> Entries { get; set; } = new List<EntryVm>();
+
+        public void Mapping(Profile profile)
+        {
+            profile.CreateMap<GroupEntity, GroupVm>()
+                .ForMember(d => d.Id, opts => opts.MapFrom(s => s.Id))
+                .ForMember(d => d.Title, opts => opts.MapFrom(s => s.Name))
+                .ForMember(d => d.Icon, opts => opts.MapFrom(s => s.Icon))
+                .ForMember(d => d.ForegroundColor, opts => opts.MapFrom(s => s.ForegroundColor))
+                .ForMember(d => d.BackgroundColor, opts => opts.MapFrom(s => s.BackgroundColor))
+                .ForMember(d => d.Entries, opts => opts.MapFrom(s => s.Entries))
+                .ForMember(d => d.SubGroups, opts => opts.MapFrom(s => s.SubGroups));
+        }
+    }
+}

ModernKeePass.Application.12/ModernKeePass.Application.csproj

@@ -0,0 +1,59 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>netstandard1.2</TargetFramework>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <Compile Remove="Common\Mappings\MappingProfile.cs" />
+    <Compile Remove="Services\CryptographyService.cs" />
+    <Compile Remove="Services\DatabaseService.cs" />
+    <Compile Remove="Services\FileService.cs" />
+    <Compile Remove="Services\ImportService.cs" />
+    <Compile Remove="Services\RecentService.cs" />
+    <Compile Remove="Services\ResourceService.cs" />
+    <Compile Remove="Services\SecurityService.cs" />
+    <Compile Remove="Services\SettingsService.cs" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <Content Include="Common\Mappings\MappingProfile.cs" />
+    <Content Include="Services\CryptographyService.cs" />
+    <Content Include="Services\DatabaseService.cs" />
+    <Content Include="Services\FileService.cs" />
+    <Content Include="Services\ImportService.cs" />
+    <Content Include="Services\RecentService.cs" />
+    <Content Include="Services\ResourceService.cs" />
+    <Content Include="Services\SecurityService.cs" />
+    <Content Include="Services\SettingsService.cs" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <Folder Include="Entry\Commands\UpdateEntry\" />
+    <Folder Include="Entry\Queries\" />
+    <Folder Include="Group\Commands\CreateEntry\" />
+    <Folder Include="Group\Commands\CreateGroup\" />
+    <Folder Include="Group\Commands\DeleteEntry\" />
+    <Folder Include="Group\Commands\DeleteGroup\" />
+    <Folder Include="Group\Commands\UpdateGroup\" />
+    <Folder Include="Group\Queries\" />
+    <Folder Include="Import\" />
+    <Folder Include="Resources\Commands\" />
+    <Folder Include="Resources\Queries\" />
+    <Folder Include="Settings\" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Autofac" Version="4.9.4" />
+    <PackageReference Include="AutoMapper" Version="6.2.2" />
+    <PackageReference Include="AutoMapper.Extensions.Microsoft.DependencyInjection" Version="2.0.1" />
+    <PackageReference Include="FluentValidation" Version="8.6.2" />
+    <PackageReference Include="MediatR" Version="4.0.1" />
+    <PackageReference Include="Splat" Version="3.0.0" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\ModernKeePass.Domain\ModernKeePass.Domain.csproj" />
+  </ItemGroup>
+
+</Project>

ModernKeePass.Application.12/Services/CryptographyService.cs

@@ -0,0 +1,22 @@
+using System.Collections.Generic;
+using ModernKeePass.Application.Common.Interfaces;
+using ModernKeePass.Domain.Entities;
+using ModernKeePass.Domain.Interfaces;
+
+namespace ModernKeePass.Application.Services
+{
+    public class CryptographyService : ICryptographyService
+    {
+        private readonly ICryptographyClient _cryptographyClient;
+        public IEnumerable<Entity> Ciphers => _cryptographyClient.Ciphers;
+
+        public IEnumerable<Entity> KeyDerivations => _cryptographyClient.KeyDerivations;
+
+        public IEnumerable<string> CompressionAlgorithms => _cryptographyClient.CompressionAlgorithms;
+
+        public CryptographyService(ICryptographyClient cryptographyClient)
+        {
+            _cryptographyClient = cryptographyClient;
+        }
+    }
+}

ModernKeePass.Application.12/Services/DatabaseService.cs

@@ -0,0 +1,103 @@
+using System;
+using System.Threading.Tasks;
+using ModernKeePass.Application.Common.Interfaces;
+using ModernKeePass.Domain.Dtos;
+using ModernKeePass.Domain.Entities;
+using ModernKeePass.Domain.Interfaces;
+
+namespace ModernKeePass.Application.Services
+{
+    public class DatabaseService: IDatabaseService
+    {
+        private readonly IDatabaseProxy _databaseProxy;
+
+        public string Name { get; private set; }
+        public bool IsOpen { get; private set; }
+        public Domain.Entities.GroupEntity RootGroupEntity { get; private set; }
+        public Domain.Entities.GroupEntity RecycleBin
+        {
+            get => _databaseProxy.RecycleBin;
+            set => _databaseProxy.RecycleBin = value;
+        }
+        public Entity Cipher
+        {
+            get => _databaseProxy.Cipher;
+            set => _databaseProxy.Cipher = value;
+        }
+        public Entity KeyDerivation
+        {
+            get => _databaseProxy.KeyDerivation;
+            set => _databaseProxy.KeyDerivation = value;
+        }
+        public string Compression
+        {
+            get => _databaseProxy.Compression;
+            set => _databaseProxy.Compression = value;
+        }
+        public bool IsRecycleBinEnabled => RecycleBin != null;
+
+        public DatabaseService(IDatabaseProxy databaseProxy)
+        {
+            _databaseProxy = databaseProxy;
+        }
+
+        public async Task Open(FileInfo fileInfo, Credentials credentials)
+        {
+            RootGroupEntity = await _databaseProxy.Open(fileInfo, credentials);
+            Name = RootGroupEntity?.Name;
+            IsOpen = true;
+        }
+
+        public async Task Create(FileInfo fileInfo, Credentials credentials)
+        {
+            RootGroupEntity = await _databaseProxy.Create(fileInfo, credentials);
+            Name = RootGroupEntity?.Name;
+            IsOpen = true;
+        }
+
+        public async Task Save()
+        {
+            await _databaseProxy.SaveDatabase();
+        }
+
+        public async Task SaveAs(FileInfo fileInfo)
+        {
+            await _databaseProxy.SaveDatabase(fileInfo);
+        }
+
+        public Task CreateRecycleBin(Domain.Entities.GroupEntity recycleBinGroupEntity)
+        {
+            throw new NotImplementedException();
+        }
+        
+        public async Task UpdateCredentials(Credentials credentials)
+        {
+            await _databaseProxy.UpdateCredentials(credentials);
+            await Save();
+        }
+
+        public void Close()
+        {
+            _databaseProxy.CloseDatabase();
+            IsOpen = false;
+        }
+
+        public async Task AddEntity(GroupEntity parentEntity, Entity entity)
+        {
+            await _databaseProxy.AddEntity(parentEntity, entity);
+            //await Save();
+        }
+
+        public async Task UpdateEntity(Entity entity)
+        {
+            await _databaseProxy.UpdateEntity(entity);
+        }
+
+        public async Task DeleteEntity(Entity entity)
+        {
+            if (IsRecycleBinEnabled) await AddEntity(RecycleBin, entity);
+            await _databaseProxy.DeleteEntity(entity);
+            //await Save();
+        }
+    }
+}

ModernKeePass.Application.12/Services/FileService.cs

@@ -0,0 +1,37 @@
+using System.Collections.Generic;
+using System.Threading.Tasks;
+using ModernKeePass.Application.Common.Interfaces;
+using ModernKeePass.Domain.Interfaces;
+
+namespace ModernKeePass.Application.Services
+{
+    public class FileService: IFileService
+    {
+        private readonly IFileProxy _fileProxy;
+
+        public FileService(IFileProxy fileProxy)
+        {
+            _fileProxy = fileProxy;
+        }
+        
+        public Task<byte[]> OpenBinaryFile(string path)
+        {
+            return _fileProxy.OpenBinaryFile(path);
+        }
+
+        public Task WriteBinaryContentsToFile(string path, byte[] contents)
+        {
+            return _fileProxy.WriteBinaryContentsToFile(path, contents);
+        }
+
+        public Task<IList<string>> OpenTextFile(string path)
+        {
+            return _fileProxy.OpenTextFile(path);
+        }
+
+        public void ReleaseFile(string path)
+        {
+            _fileProxy.ReleaseFile(path);
+        }
+    }
+}

ModernKeePass.Application.12/Services/ImportService.cs

@@ -0,0 +1,35 @@
+using System;
+using System.Threading.Tasks;
+using ModernKeePass.Application.Common.Interfaces;
+using ModernKeePass.Domain.Entities;
+using ModernKeePass.Domain.Enums;
+using ModernKeePass.Domain.Interfaces;
+
+namespace ModernKeePass.Application.Services
+{
+    public class ImportService: IImportService
+    {
+        private readonly Func<ImportFormat, IImportFormat> _importFormatProviders;
+
+        public ImportService(Func<ImportFormat, IImportFormat> importFormatProviders)
+        {
+            _importFormatProviders = importFormatProviders;
+        }
+
+        public async Task Import(ImportFormat format, string filePath, Group group)
+        {
+            var importProvider = _importFormatProviders(format);
+            var data = await importProvider.Import(filePath);
+
+            /*foreach (var entity in data)
+            {
+                var entry = group.AddNewEntry();
+                entry.Name = entity["0"];
+                entry.UserName = entity["1"];
+                entry.Password = entity["2"];
+                if (entity.Count > 3) entry.Url = entity["3"];
+                if (entity.Count > 4) entry.Notes = entity["4"];
+            }*/
+        }
+    }
+}

ModernKeePass.Application.12/Services/RecentService.cs

@@ -0,0 +1,40 @@
+using System.Collections.Generic;
+using System.Threading.Tasks;
+using ModernKeePass.Application.Common.Interfaces;
+using ModernKeePass.Domain.Dtos;
+using ModernKeePass.Domain.Interfaces;
+
+namespace ModernKeePass.Application.Services
+{
+    public class RecentService: IRecentService
+    {
+        private readonly IRecentProxy _recentProxy;
+
+        public RecentService(IRecentProxy recentProxy)
+        {
+            _recentProxy = recentProxy;
+        }
+
+        public bool HasEntries => _recentProxy.EntryCount > 0;
+
+        public async Task<FileInfo> Get(string token)
+        {
+            return await _recentProxy.Get(token);
+        }
+
+        public async Task<IEnumerable<FileInfo>> GetAll()
+        {
+            return await _recentProxy.GetAll();
+        }
+
+        public async Task Add(FileInfo recentItem)
+        {
+            await _recentProxy.Add(recentItem);
+        }
+
+        public void ClearAll()
+        {
+            _recentProxy.ClearAll();
+        }
+    }
+}

ModernKeePass.Application.12/Services/ResourceService.cs

@@ -0,0 +1,20 @@
+using ModernKeePass.Application.Common.Interfaces;
+using ModernKeePass.Domain.Interfaces;
+
+namespace ModernKeePass.Application.Services
+{
+    public class ResourceService: IResourceService
+    {
+        private readonly IResourceProxy _resourceProxy;
+
+        public ResourceService(IResourceProxy resourceProxy)
+        {
+            _resourceProxy = resourceProxy;
+        }
+
+        public string GetResourceValue(string key)
+        {
+            return _resourceProxy.GetResourceValue(key);
+        }
+    }
+}

ModernKeePass.Application.12/Services/SecurityService.cs

@@ -0,0 +1,35 @@
+using System.Threading.Tasks;
+using ModernKeePass.Application.Common.Interfaces;
+using ModernKeePass.Domain.Dtos;
+using ModernKeePass.Domain.Interfaces;
+
+namespace ModernKeePass.Application.Services
+{
+    public class SecurityService: ISecurityService
+    {
+        private readonly IPasswordProxy _passwordProxy;
+        private readonly IFileService _fileService;
+
+        public SecurityService(IPasswordProxy passwordProxy, IFileService fileService)
+        {
+            _passwordProxy = passwordProxy;
+            _fileService = fileService;
+        }
+
+        public string GeneratePassword(PasswordGenerationOptions options)
+        {
+            return _passwordProxy.GeneratePassword(options);
+        }
+
+        public uint EstimatePasswordComplexity(string password)
+        {
+            return _passwordProxy.EstimatePasswordComplexity(password);
+        }
+
+        public async Task GenerateKeyFile(string filePath)
+        {
+            var fileContents = _passwordProxy.GenerateKeyFile(null);
+            await _fileService.WriteBinaryContentsToFile(filePath, fileContents);
+        }
+    }
+}

ModernKeePass.Application.12/Services/SettingsService.cs

@@ -0,0 +1,25 @@
+using ModernKeePass.Application.Common.Interfaces;
+using ModernKeePass.Domain.Interfaces;
+
+namespace ModernKeePass.Application.Services
+{
+    public class SettingsService: ISettingsService
+    {
+        private readonly ISettingsProxy _settingsProxy;
+
+        public SettingsService(ISettingsProxy settingsProxy)
+        {
+            _settingsProxy = settingsProxy;
+        }
+
+        public T GetSetting<T>(string property, T defaultValue = default)
+        {
+            return _settingsProxy.GetSetting<T>(property, defaultValue);
+        }
+
+        public void PutSetting<T>(string property, T value)
+        {
+            _settingsProxy.PutSetting<T>(property, value);
+        }
+    }
+}

ModernKeePass.Application/Common/Interfaces/ICryptographyClient.cs

@@ -0,0 +1,12 @@
+using System.Collections.Generic;
+using ModernKeePass.Domain.Entities;
+
+namespace ModernKeePass.Application.Common.Interfaces
+{
+    public interface ICryptographyClient
+    {
+        IEnumerable<BaseEntity> Ciphers { get; }
+        IEnumerable<BaseEntity> KeyDerivations { get; }
+        IEnumerable<string> CompressionAlgorithms { get; }
+    }
+}

ModernKeePass.Application/Common/Interfaces/IDatabaseProxy.cs

@@ -0,0 +1,28 @@
+using System.Threading.Tasks;
+using ModernKeePass.Domain.Dtos;
+using ModernKeePass.Domain.Entities;
+
+namespace ModernKeePass.Application.Common.Interfaces
+{
+    public interface IDatabaseProxy
+    {
+        bool IsOpen { get; }
+        GroupEntity RecycleBin { get; set; }
+        BaseEntity Cipher { get; set; }
+        BaseEntity KeyDerivation { get; set; }
+        string Compression { get; set; }
+
+        Task<DatabaseEntity> Open(FileInfo fileInfo, Credentials credentials);
+        Task<DatabaseEntity> Create(FileInfo fileInfo, Credentials credentials);
+        Task SaveDatabase();
+        Task SaveDatabase(FileInfo FileInfo);
+        Task UpdateCredentials(Credentials credentials);
+        void CloseDatabase();
+        Task AddEntry(GroupEntity parentGroup, EntryEntity entity);
+        Task AddGroup(GroupEntity parentGroup, GroupEntity entity);
+        Task UpdateEntry(EntryEntity entity);
+        Task UpdateGroup(GroupEntity entity);
+        Task DeleteEntry(EntryEntity entity);
+        Task DeleteGroup(GroupEntity entity);
+    }
+}

ModernKeePass.Application/Common/Interfaces/IFileProxy.cs

@@ -0,0 +1,13 @@
+using System.Collections.Generic;
+using System.Threading.Tasks;
+
+namespace ModernKeePass.Application.Common.Interfaces
+{
+    public interface IFileProxy
+    {
+        Task<byte[]> OpenBinaryFile(string path);
+        Task<IList<string>> OpenTextFile(string path);
+        Task WriteBinaryContentsToFile(string path, byte[] contents);
+        void ReleaseFile(string path);
+    }
+}

ModernKeePass.Application/Common/Interfaces/IHasSelectableObject.cs

@@ -0,0 +1,7 @@
+namespace ModernKeePass.Application.Common.Interfaces
+{
+    public interface IHasSelectableObject
+    {
+        ISelectableModel SelectedItem { get; set; }
+    }
+}

ModernKeePass.Application/Common/Interfaces/IImportFormat.cs

@@ -0,0 +1,10 @@
+using System.Collections.Generic;
+using System.Threading.Tasks;
+
+namespace ModernKeePass.Application.Common.Interfaces
+{
+    public interface IImportFormat
+    {
+        Task<List<Dictionary<string, string>>> Import(string path);
+    }
+}

ModernKeePass.Application/Common/Interfaces/IIsEnabled.cs

@@ -0,0 +1,7 @@
+namespace ModernKeePass.Application.Common.Interfaces
+{
+    public interface IIsEnabled
+    {
+        bool IsEnabled { get; }
+    }
+}

ModernKeePass.Application/Common/Interfaces/IPasswordProxy.cs

@@ -0,0 +1,11 @@
+using ModernKeePass.Domain.Dtos;
+
+namespace ModernKeePass.Application.Common.Interfaces
+{
+    public interface IPasswordProxy
+    {
+        string GeneratePassword(PasswordGenerationOptions options);
+        uint EstimatePasswordComplexity(string password);
+        byte[] GenerateKeyFile(byte[] additionalEntropy);
+    }
+}

ModernKeePass.Application/Common/Interfaces/IProxyInvocationHandler.cs

@@ -0,0 +1,9 @@
+using System.Reflection;
+
+namespace ModernKeePass.Application.Common.Interfaces
+{
+    public interface IProxyInvocationHandler
+    {
+        object Invoke(object proxy, MethodInfo method, object[] parameters);
+    }
+}

ModernKeePass.Application/Common/Interfaces/IRecentProxy.cs

@@ -0,0 +1,15 @@
+using System.Collections.Generic;
+using System.Threading.Tasks;
+using ModernKeePass.Domain.Dtos;
+
+namespace ModernKeePass.Application.Common.Interfaces
+{
+    public interface IRecentProxy
+    {
+        int EntryCount { get; }
+        Task<FileInfo> Get(string token);
+        Task<IEnumerable<FileInfo>> GetAll();
+        Task Add(FileInfo recentItem);
+        void ClearAll();
+    }
+}

ModernKeePass.Application/Common/Interfaces/IResourceProxy.cs

@@ -0,0 +1,7 @@
+namespace ModernKeePass.Application.Common.Interfaces
+{
+    public interface IResourceProxy
+    {
+        string GetResourceValue(string key);
+    }
+}

ModernKeePass.Application/Common/Interfaces/ISelectableModel.cs

@@ -0,0 +1,7 @@
+namespace ModernKeePass.Application.Common.Interfaces
+{
+    public interface ISelectableModel
+    {
+        bool IsSelected { get; set; }
+    }
+}

ModernKeePass.Application/Common/Interfaces/ISettingsProxy.cs

@@ -0,0 +1,8 @@
+namespace ModernKeePass.Application.Common.Interfaces
+{
+    public interface ISettingsProxy
+    {
+        T GetSetting<T>(string property, T defaultValue = default);
+        void PutSetting<T>(string property, T value);
+    }
+}

ModernKeePass.Application/Common/Mappings/IMapFrom.cs

@@ -0,0 +1,10 @@
+using AutoMapper;
+
+namespace ModernKeePass.Application.Common.Mappings
+{
+
+    public interface IMapFrom<T>
+    {
+        void Mapping(Profile profile);
+    }
+}

ModernKeePass.Application/Common/Mappings/MappingProfile.cs

@@ -0,0 +1,30 @@
+using System;
+using System.Linq;
+using System.Reflection;
+using AutoMapper;
+
+namespace ModernKeePass.Application.Common.Mappings
+{
+    public class MappingProfile : Profile
+    {
+        public MappingProfile()
+        {
+            ApplyMappingsFromAssembly(Assembly.GetExecutingAssembly());
+        }
+
+        private void ApplyMappingsFromAssembly(Assembly assembly)
+        {
+            var types = assembly.GetExportedTypes()
+                .Where(t => t.GetInterfaces().Any(i =>
+                    i.IsGenericType && i.GetGenericTypeDefinition() == typeof(IMapFrom<>)))
+                .ToList();
+
+            foreach (var type in types)
+            {
+                var instance = Activator.CreateInstance(type);
+                var methodInfo = type.GetMethod("Mapping");
+                methodInfo?.Invoke(instance, new object[] { this });
+            }
+        }
+    }
+}

ModernKeePass.Application/Common/Mappings/MappingProfiles.cs

@@ -0,0 +1,17 @@
+using AutoMapper;
+using ModernKeePass.Application.Database.Models;
+using ModernKeePass.Application.Entry.Models;
+using ModernKeePass.Application.Group.Models;
+
+namespace ModernKeePass.Application.Common.Mappings
+{
+    public class MappingProfiles: Profile
+    {
+        public void ApplyMappings()
+        {
+            new DatabaseVm().Mapping(this);
+            new EntryVm().Mapping(this);
+            new GroupVm().Mapping(this);
+        }
+    }
+}

ModernKeePass.Application/Database/Commands/CloseDatabase/CloseDatabaseCommand.cs

@@ -0,0 +1,31 @@
+using MediatR;
+using System.Threading;
+using System.Threading.Tasks;
+using ModernKeePass.Application.Common.Interfaces;
+using ModernKeePass.Application.Database.Queries.IsDatabaseOpen;
+using ModernKeePass.Domain.Exceptions;
+
+namespace ModernKeePass.Application.Database.Commands.CloseDatabase
+{
+    public class CloseDatabaseCommand: IRequest
+    {
+        public class CloseDatabaseCommandHandler : IRequestHandler<CloseDatabaseCommand>
+        {
+            private readonly IDatabaseProxy _database;
+            private readonly IMediator _mediator;
+
+            public CloseDatabaseCommandHandler(IDatabaseProxy database, IMediator mediator)
+            {
+                _database = database;
+                _mediator = mediator;
+            }
+
+            public async Task Handle(CloseDatabaseCommand message, CancellationToken cancellationToken)
+            {
+                var isDatabaseOpen = await _mediator.Send(new IsDatabaseOpenQuery(), cancellationToken);
+                if (isDatabaseOpen) _database.CloseDatabase();
+                else throw new DatabaseClosedException();
+            }
+        }
+    }
+}

ModernKeePass.Application/Database/Commands/CreateDatabase/CreateDatabaseCommand.cs

@@ -0,0 +1,48 @@
+using MediatR;
+using System.Threading;
+using System.Threading.Tasks;
+using AutoMapper;
+using ModernKeePass.Application.Common.Interfaces;
+using ModernKeePass.Application.Database.Models;
+using ModernKeePass.Application.Database.Queries.IsDatabaseOpen;
+using ModernKeePass.Application.Group.Models;
+using ModernKeePass.Domain.Dtos;
+using ModernKeePass.Domain.Exceptions;
+
+namespace ModernKeePass.Application.Database.Commands.CreateDatabase
+{
+    public class CreateDatabaseCommand : IRequest<DatabaseVm>
+    {
+        public FileInfo FileInfo { get; set; }
+        public Credentials Credentials { get; set; }
+
+        public class CreateDatabaseCommandHandler : IRequestHandler<CreateDatabaseCommand, DatabaseVm>
+        {
+            private readonly IDatabaseProxy _database;
+            private readonly IMediator _mediator;
+            private readonly IMapper _mapper;
+
+            public CreateDatabaseCommandHandler(IDatabaseProxy database, IMediator mediator, IMapper mapper)
+            {
+                _database = database;
+                _mediator = mediator;
+                _mapper = mapper;
+            }
+
+            public async Task<DatabaseVm> Handle(CreateDatabaseCommand message, CancellationToken cancellationToken)
+            {
+                var isDatabaseOpen = await _mediator.Send(new IsDatabaseOpenQuery(), cancellationToken);
+                if (isDatabaseOpen) throw new DatabaseOpenException();
+
+                var database = await _database.Create(message.FileInfo, message.Credentials);
+                var databaseVm = new DatabaseVm
+                {
+                    IsOpen = true,
+                    Name = database.Name,
+                    RootGroup = _mapper.Map<GroupVm>(database.RootGroupEntity)
+                };
+                return databaseVm;
+            }
+        }
+    }
+}

ModernKeePass.Application/Database/Commands/SaveDatabase/SaveDatabaseCommand.cs

@@ -0,0 +1,31 @@
+using MediatR;
+using System.Threading;
+using System.Threading.Tasks;
+using ModernKeePass.Application.Common.Interfaces;
+using ModernKeePass.Application.Database.Queries.IsDatabaseOpen;
+using ModernKeePass.Domain.Exceptions;
+
+namespace ModernKeePass.Application.Database.Commands.SaveDatabase
+{
+    public class SaveDatabaseCommand : IRequest
+    {
+        public class SaveDatabaseCommandHandler : IRequestHandler<SaveDatabaseCommand>
+        {
+            private readonly IDatabaseProxy _database;
+            private readonly IMediator _mediator;
+
+            public SaveDatabaseCommandHandler(IDatabaseProxy database, IMediator mediator)
+            {
+                _database = database;
+                _mediator = mediator;
+            }
+
+            public async Task Handle(SaveDatabaseCommand message, CancellationToken cancellationToken)
+            {
+                var isDatabaseOpen = await _mediator.Send(new IsDatabaseOpenQuery(), cancellationToken);
+                if (isDatabaseOpen) await _database.SaveDatabase();
+                else throw new DatabaseClosedException();
+            }
+        }
+    }
+}

ModernKeePass.Application/Database/Models/DatabaseVm.cs

@@ -0,0 +1,21 @@
+using AutoMapper;
+using ModernKeePass.Application.Common.Mappings;
+using ModernKeePass.Application.Group.Models;
+using ModernKeePass.Domain.Entities;
+
+namespace ModernKeePass.Application.Database.Models
+{
+    public class DatabaseVm: IMapFrom<DatabaseEntity>
+    {
+        public bool IsOpen { get; set; }
+        public string Name { get; set; }
+        public GroupVm RootGroup { get; set; }
+
+        public void Mapping(Profile profile)
+        {
+            profile.CreateMap<DatabaseEntity, DatabaseVm>()
+                .ForMember(d => d.Name, opts => opts.MapFrom(s => s.Name))
+                .ForMember(d => d.RootGroup, opts => opts.MapFrom(s => s.RootGroupEntity));
+        }
+    }
+}

ModernKeePass.Application/Database/Models/MainVm.cs

@@ -0,0 +1,7 @@
+namespace ModernKeePass.Application.Database.Models
+{
+    public class MainVm
+    {
+        
+    }
+}

ModernKeePass.Application/Database/Queries/IsDatabaseOpen/IsDatabaseOpenQuery.cs

@@ -0,0 +1,24 @@
+using System.Threading;
+using System.Threading.Tasks;
+using MediatR;
+using ModernKeePass.Application.Common.Interfaces;
+
+namespace ModernKeePass.Application.Database.Queries.IsDatabaseOpen
+{
+    public class IsDatabaseOpenQuery: IRequest<bool>
+    {
+        public class IsDatabaseOpenQueryHandler: IRequestHandler<IsDatabaseOpenQuery, bool>
+        {
+            private readonly IDatabaseProxy _databaseProxy;
+
+            public IsDatabaseOpenQueryHandler(IDatabaseProxy databaseProxy)
+            {
+                _databaseProxy = databaseProxy;
+            }
+            public Task<bool> Handle(IsDatabaseOpenQuery request, CancellationToken cancellationToken)
+            {
+                return Task.FromResult(_databaseProxy.IsOpen);
+            }
+        }
+    }
+}

ModernKeePass.Application/Database/Queries/OpenDatabase/OpenDatabaseQuery.cs

@@ -0,0 +1,48 @@
+using System.Threading;
+using System.Threading.Tasks;
+using AutoMapper;
+using MediatR;
+using ModernKeePass.Application.Common.Interfaces;
+using ModernKeePass.Application.Database.Models;
+using ModernKeePass.Application.Database.Queries.IsDatabaseOpen;
+using ModernKeePass.Application.Group.Models;
+using ModernKeePass.Domain.Dtos;
+using ModernKeePass.Domain.Exceptions;
+
+namespace ModernKeePass.Application.Database.Queries.OpenDatabase
+{
+    public class OpenDatabaseQuery: IRequest<DatabaseVm>
+    {
+        public FileInfo FileInfo { get; set; }
+        public Credentials Credentials { get; set; }
+
+        public class OpenDatabaseQueryHandler : IRequestHandler<OpenDatabaseQuery, DatabaseVm>
+        {
+            private readonly IMapper _mapper;
+            private readonly IMediator _mediator;
+            private readonly IDatabaseProxy _databaseProxy;
+
+            public OpenDatabaseQueryHandler(IMapper mapper, IMediator mediator, IDatabaseProxy databaseProxy)
+            {
+                _mapper = mapper;
+                _mediator = mediator;
+                _databaseProxy = databaseProxy;
+            }
+
+            public async Task<DatabaseVm> Handle(OpenDatabaseQuery request, CancellationToken cancellationToken)
+            {
+                var isDatabaseOpen = await _mediator.Send(new IsDatabaseOpenQuery(), cancellationToken);
+                if (isDatabaseOpen) throw new DatabaseOpenException();
+
+                var database = await _databaseProxy.Open(request.FileInfo, request.Credentials);
+                var databaseVm = new DatabaseVm
+                {
+                    IsOpen = true,
+                    Name = database.Name,
+                    RootGroup = _mapper.Map<GroupVm>(database.RootGroupEntity)
+                };
+                return databaseVm;
+            }
+        }
+    }
+}

ModernKeePass.Application/Database/Queries/OpenDatabase/OpenDatabaseQueryValidator.cs

@@ -0,0 +1,12 @@
+using FluentValidation;
+
+namespace ModernKeePass.Application.Database.Queries.OpenDatabase
+{
+    public class OpenDatabaseQueryValidator : AbstractValidator<OpenDatabaseQuery>
+    {
+        public OpenDatabaseQueryValidator()
+        {
+            RuleFor(v => v.Credentials != null && v.FileInfo != null);
+        }
+    }
+}

ModernKeePass.Application/Entry/Models/EntryVm.cs

@@ -0,0 +1,27 @@
+using System.Drawing;
+using AutoMapper;
+using ModernKeePass.Application.Common.Mappings;
+using ModernKeePass.Domain.Entities;
+using ModernKeePass.Domain.Enums;
+
+namespace ModernKeePass.Application.Entry.Models
+{
+    public class EntryVm: IMapFrom<EntryEntity>
+    {
+        public string Id { get; set; }
+        public string Title { get; set; }
+        public Icon Icon { get; set; }
+        public Color ForegroundColor { get; set; }
+        public Color BackgroundColor { get; set; }
+
+        public void Mapping(Profile profile)
+        {
+            profile.CreateMap<EntryEntity, EntryVm>()
+                .ForMember(d => d.Id, opts => opts.MapFrom(s => s.Id))
+                .ForMember(d => d.Title, opts => opts.MapFrom(s => s.Name))
+                .ForMember(d => d.Icon, opts => opts.MapFrom(s => s.Icon))
+                .ForMember(d => d.ForegroundColor, opts => opts.MapFrom(s => s.ForegroundColor))
+                .ForMember(d => d.BackgroundColor, opts => opts.MapFrom(s => s.BackgroundColor));
+        }
+    }
+}

ModernKeePass.Application/Group/Models/GroupVm.cs

@@ -0,0 +1,33 @@
+using System.Collections.Generic;
+using System.Drawing;
+using AutoMapper;
+using ModernKeePass.Application.Common.Mappings;
+using ModernKeePass.Application.Entry.Models;
+using ModernKeePass.Domain.Entities;
+using ModernKeePass.Domain.Enums;
+
+namespace ModernKeePass.Application.Group.Models
+{
+    public class GroupVm: IMapFrom<GroupEntity>
+    {
+        public string Id { get; set; }
+        public string Title { get; set; }
+        public Icon Icon { get; set; }
+        public Color ForegroundColor { get; set; }
+        public Color BackgroundColor { get; set; }
+        public List<GroupVm> SubGroups { get; set; } = new List<GroupVm>();
+        public List<EntryVm> Entries { get; set; } = new List<EntryVm>();
+
+        public void Mapping(Profile profile)
+        {
+            profile.CreateMap<GroupEntity, GroupVm>()
+                .ForMember(d => d.Id, opts => opts.MapFrom(s => s.Id))
+                .ForMember(d => d.Title, opts => opts.MapFrom(s => s.Name))
+                .ForMember(d => d.Icon, opts => opts.MapFrom(s => s.Icon))
+                .ForMember(d => d.ForegroundColor, opts => opts.MapFrom(s => s.ForegroundColor))
+                .ForMember(d => d.BackgroundColor, opts => opts.MapFrom(s => s.BackgroundColor))
+                .ForMember(d => d.Entries, opts => opts.MapFrom(s => s.Entries))
+                .ForMember(d => d.SubGroups, opts => opts.MapFrom(s => s.SubGroups));
+        }
+    }
+}

ModernKeePass.Application/ModernKeePass.Application.csproj

@@ -0,0 +1,104 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="14.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
+  <PropertyGroup>
+    <MinimumVisualStudioVersion>14.0</MinimumVisualStudioVersion>
+    <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
+    <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
+    <ProjectGuid>{42353562-5E43-459C-8E3E-2F21E575261D}</ProjectGuid>
+    <OutputType>Library</OutputType>
+    <AppDesignerFolder>Properties</AppDesignerFolder>
+    <RootNamespace>ModernKeePass.Application</RootNamespace>
+    <AssemblyName>ModernKeePass.Application</AssemblyName>
+    <DefaultLanguage>en-US</DefaultLanguage>
+    <FileAlignment>512</FileAlignment>
+    <ProjectTypeGuids>{786C830F-07A1-408B-BD7F-6EE04809D6DB};{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}</ProjectTypeGuids>
+    <TargetFrameworkProfile>
+    </TargetFrameworkProfile>
+    <TargetFrameworkVersion>v5.0</TargetFrameworkVersion>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
+    <DebugSymbols>true</DebugSymbols>
+    <DebugType>full</DebugType>
+    <Optimize>false</Optimize>
+    <OutputPath>bin\Debug\</OutputPath>
+    <DefineConstants>DEBUG;TRACE</DefineConstants>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
+    <DebugType>pdbonly</DebugType>
+    <Optimize>true</Optimize>
+    <OutputPath>bin\Release\</OutputPath>
+    <DefineConstants>TRACE</DefineConstants>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+  </PropertyGroup>
+  <ItemGroup>
+    <!-- A reference to the entire .NET Framework is automatically included -->
+    <None Include="project.json" />
+  </ItemGroup>
+  <ItemGroup>
+    <Compile Include="Common\Interfaces\ICryptographyClient.cs" />
+    <Compile Include="Common\Interfaces\IDatabaseProxy.cs" />
+    <Compile Include="Common\Interfaces\IFileProxy.cs" />
+    <Compile Include="Common\Interfaces\IHasSelectableObject.cs" />
+    <Compile Include="Common\Interfaces\IImportFormat.cs" />
+    <Compile Include="Common\Interfaces\IIsEnabled.cs" />
+    <Compile Include="Common\Interfaces\IPasswordProxy.cs" />
+    <Compile Include="Common\Interfaces\IProxyInvocationHandler.cs" />
+    <Compile Include="Common\Interfaces\IRecentProxy.cs" />
+    <Compile Include="Common\Interfaces\IResourceProxy.cs" />
+    <Compile Include="Common\Interfaces\ISelectableModel.cs" />
+    <Compile Include="Common\Interfaces\ISettingsProxy.cs" />
+    <Compile Include="Common\Mappings\IMapFrom.cs" />
+    <Content Include="Common\Mappings\MappingProfile.cs" />
+    <Compile Include="Common\Mappings\MappingProfiles.cs" />
+    <Compile Include="Database\Commands\CloseDatabase\CloseDatabaseCommand.cs" />
+    <Compile Include="Database\Commands\CreateDatabase\CreateDatabaseCommand.cs" />
+    <Compile Include="Database\Commands\SaveDatabase\SaveDatabaseCommand.cs" />
+    <Compile Include="Database\Models\DatabaseVm.cs" />
+    <Compile Include="Database\Models\MainVm.cs" />
+    <Compile Include="Database\Queries\IsDatabaseOpen\IsDatabaseOpenQuery.cs" />
+    <Compile Include="Database\Queries\OpenDatabase\OpenDatabaseQuery.cs" />
+    <Compile Include="Database\Queries\OpenDatabase\OpenDatabaseQueryValidator.cs" />
+    <Compile Include="Entry\Models\EntryVm.cs" />
+    <Compile Include="Group\Models\GroupVm.cs" />
+    <Compile Include="Properties\AssemblyInfo.cs" />
+    <Content Include="Services\CryptographyService.cs" />
+    <Content Include="Services\DatabaseService.cs" />
+    <Content Include="Services\FileService.cs" />
+    <Content Include="Services\ImportService.cs" />
+    <Content Include="Services\RecentService.cs" />
+    <Content Include="Services\ResourceService.cs" />
+    <Content Include="Services\SecurityService.cs" />
+    <Content Include="Services\SettingsService.cs" />
+  </ItemGroup>
+  <ItemGroup>
+    <Folder Include="Entry\Commands\UpdateEntry\" />
+    <Folder Include="Entry\Queries\" />
+    <Folder Include="Group\Commands\CreateEntry\" />
+    <Folder Include="Group\Commands\CreateGroup\" />
+    <Folder Include="Group\Commands\DeleteEntry\" />
+    <Folder Include="Group\Commands\DeleteGroup\" />
+    <Folder Include="Group\Commands\UpdateGroup\" />
+    <Folder Include="Group\Queries\" />
+    <Folder Include="Resources\Commands\" />
+    <Folder Include="Resources\Queries\" />
+    <Folder Include="Settings\" />
+  </ItemGroup>
+  <ItemGroup>
+    <ProjectReference Include="..\ModernKeePass.Domain\ModernKeePass.Domain.csproj">
+      <Project>{9a0759f1-9069-4841-99e3-3bec44e17356}</Project>
+      <Name>ModernKeePass.Domain</Name>
+    </ProjectReference>
+  </ItemGroup>
+  <Import Project="$(MSBuildExtensionsPath32)\Microsoft\Portable\$(TargetFrameworkVersion)\Microsoft.Portable.CSharp.targets" />
+  <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
+       Other similar extension points exist, see Microsoft.Common.targets.
+  <Target Name="BeforeBuild">
+  </Target>
+  <Target Name="AfterBuild">
+  </Target>
+  -->
+</Project>

ModernKeePass.Application/Properties/AssemblyInfo.cs

@@ -1,18 +1,20 @@
-using System.Reflection;
+using System.Resources;
+using System.Reflection;
 using System.Runtime.CompilerServices;
 using System.Runtime.InteropServices;
 
 // General Information about an assembly is controlled through the following 
 // set of attributes. Change these attribute values to modify the information
 // associated with an assembly.
-[assembly: AssemblyTitle("ModernKeePassLib.Test")]
+[assembly: AssemblyTitle("ModernKeePass.Application")]
 [assembly: AssemblyDescription("")]
 [assembly: AssemblyConfiguration("")]
 [assembly: AssemblyCompany("")]
-[assembly: AssemblyProduct("ModernKeePassLib.Test")]
-[assembly: AssemblyCopyright("Copyright ©  2017")]
+[assembly: AssemblyProduct("ModernKeePass.Application")]
+[assembly: AssemblyCopyright("Copyright ©  2020")]
 [assembly: AssemblyTrademark("")]
 [assembly: AssemblyCulture("")]
+[assembly: NeutralResourcesLanguage("en")]
 
 // Version information for an assembly consists of the following four values:
 //

ModernKeePass.Application/Services/CryptographyService.cs

@@ -0,0 +1,22 @@
+using System.Collections.Generic;
+using ModernKeePass.Application.Common.Interfaces;
+using ModernKeePass.Domain.Entities;
+using ModernKeePass.Domain.Interfaces;
+
+namespace ModernKeePass.Application.Services
+{
+    public class CryptographyService : ICryptographyService
+    {
+        private readonly ICryptographyClient _cryptographyClient;
+        public IEnumerable<Entity> Ciphers => _cryptographyClient.Ciphers;
+
+        public IEnumerable<Entity> KeyDerivations => _cryptographyClient.KeyDerivations;
+
+        public IEnumerable<string> CompressionAlgorithms => _cryptographyClient.CompressionAlgorithms;
+
+        public CryptographyService(ICryptographyClient cryptographyClient)
+        {
+            _cryptographyClient = cryptographyClient;
+        }
+    }
+}

ModernKeePass.Application/Services/DatabaseService.cs

@@ -0,0 +1,103 @@
+using System;
+using System.Threading.Tasks;
+using ModernKeePass.Application.Common.Interfaces;
+using ModernKeePass.Domain.Dtos;
+using ModernKeePass.Domain.Entities;
+using ModernKeePass.Domain.Interfaces;
+
+namespace ModernKeePass.Application.Services
+{
+    public class DatabaseService: IDatabaseService
+    {
+        private readonly IDatabaseProxy _databaseProxy;
+
+        public string Name { get; private set; }
+        public bool IsOpen { get; private set; }
+        public Domain.Entities.GroupEntity RootGroupEntity { get; private set; }
+        public Domain.Entities.GroupEntity RecycleBin
+        {
+            get => _databaseProxy.RecycleBin;
+            set => _databaseProxy.RecycleBin = value;
+        }
+        public Entity Cipher
+        {
+            get => _databaseProxy.Cipher;
+            set => _databaseProxy.Cipher = value;
+        }
+        public Entity KeyDerivation
+        {
+            get => _databaseProxy.KeyDerivation;
+            set => _databaseProxy.KeyDerivation = value;
+        }
+        public string Compression
+        {
+            get => _databaseProxy.Compression;
+            set => _databaseProxy.Compression = value;
+        }
+        public bool IsRecycleBinEnabled => RecycleBin != null;
+
+        public DatabaseService(IDatabaseProxy databaseProxy)
+        {
+            _databaseProxy = databaseProxy;
+        }
+
+        public async Task Open(FileInfo fileInfo, Credentials credentials)
+        {
+            RootGroupEntity = await _databaseProxy.Open(fileInfo, credentials);
+            Name = RootGroupEntity?.Name;
+            IsOpen = true;
+        }
+
+        public async Task Create(FileInfo fileInfo, Credentials credentials)
+        {
+            RootGroupEntity = await _databaseProxy.Create(fileInfo, credentials);
+            Name = RootGroupEntity?.Name;
+            IsOpen = true;
+        }
+
+        public async Task Save()
+        {
+            await _databaseProxy.SaveDatabase();
+        }
+
+        public async Task SaveAs(FileInfo fileInfo)
+        {
+            await _databaseProxy.SaveDatabase(fileInfo);
+        }
+
+        public Task CreateRecycleBin(Domain.Entities.GroupEntity recycleBinGroupEntity)
+        {
+            throw new NotImplementedException();
+        }
+        
+        public async Task UpdateCredentials(Credentials credentials)
+        {
+            await _databaseProxy.UpdateCredentials(credentials);
+            await Save();
+        }
+
+        public void Close()
+        {
+            _databaseProxy.CloseDatabase();
+            IsOpen = false;
+        }
+
+        public async Task AddEntity(GroupEntity parentEntity, Entity entity)
+        {
+            await _databaseProxy.AddEntity(parentEntity, entity);
+            //await Save();
+        }
+
+        public async Task UpdateEntity(Entity entity)
+        {
+            await _databaseProxy.UpdateEntity(entity);
+        }
+
+        public async Task DeleteEntity(Entity entity)
+        {
+            if (IsRecycleBinEnabled) await AddEntity(RecycleBin, entity);
+            await _databaseProxy.DeleteEntity(entity);
+            //await Save();
+        }
+    }
+}

ModernKeePass.Application/Services/FileService.cs

@@ -0,0 +1,37 @@
+using System.Collections.Generic;
+using System.Threading.Tasks;
+using ModernKeePass.Application.Common.Interfaces;
+using ModernKeePass.Domain.Interfaces;
+
+namespace ModernKeePass.Application.Services
+{
+    public class FileService: IFileService
+    {
+        private readonly IFileProxy _fileProxy;
+
+        public FileService(IFileProxy fileProxy)
+        {
+            _fileProxy = fileProxy;
+        }
+        
+        public Task<byte[]> OpenBinaryFile(string path)
+        {
+            return _fileProxy.OpenBinaryFile(path);
+        }
+
+        public Task WriteBinaryContentsToFile(string path, byte[] contents)
+        {
+            return _fileProxy.WriteBinaryContentsToFile(path, contents);
+        }
+
+        public Task<IList<string>> OpenTextFile(string path)
+        {
+            return _fileProxy.OpenTextFile(path);
+        }
+
+        public void ReleaseFile(string path)
+        {
+            _fileProxy.ReleaseFile(path);
+        }
+    }
+}

ModernKeePass.Application/Services/ImportService.cs

@@ -0,0 +1,35 @@
+using System;
+using System.Threading.Tasks;
+using ModernKeePass.Application.Common.Interfaces;
+using ModernKeePass.Domain.Entities;
+using ModernKeePass.Domain.Enums;
+using ModernKeePass.Domain.Interfaces;
+
+namespace ModernKeePass.Application.Services
+{
+    public class ImportService: IImportService
+    {
+        private readonly Func<ImportFormat, IImportFormat> _importFormatProviders;
+
+        public ImportService(Func<ImportFormat, IImportFormat> importFormatProviders)
+        {
+            _importFormatProviders = importFormatProviders;
+        }
+
+        public async Task Import(ImportFormat format, string filePath, Group group)
+        {
+            var importProvider = _importFormatProviders(format);
+            var data = await importProvider.Import(filePath);
+
+            /*foreach (var entity in data)
+            {
+                var entry = group.AddNewEntry();
+                entry.Name = entity["0"];
+                entry.UserName = entity["1"];
+                entry.Password = entity["2"];
+                if (entity.Count > 3) entry.Url = entity["3"];
+                if (entity.Count > 4) entry.Notes = entity["4"];
+            }*/
+        }
+    }
+}

ModernKeePass.Application/Services/RecentService.cs

@@ -0,0 +1,40 @@
+using System.Collections.Generic;
+using System.Threading.Tasks;
+using ModernKeePass.Application.Common.Interfaces;
+using ModernKeePass.Domain.Dtos;
+using ModernKeePass.Domain.Interfaces;
+
+namespace ModernKeePass.Application.Services
+{
+    public class RecentService: IRecentService
+    {
+        private readonly IRecentProxy _recentProxy;
+
+        public RecentService(IRecentProxy recentProxy)
+        {
+            _recentProxy = recentProxy;
+        }
+
+        public bool HasEntries => _recentProxy.EntryCount > 0;
+
+        public async Task<FileInfo> Get(string token)
+        {
+            return await _recentProxy.Get(token);
+        }
+
+        public async Task<IEnumerable<FileInfo>> GetAll()
+        {
+            return await _recentProxy.GetAll();
+        }
+
+        public async Task Add(FileInfo recentItem)
+        {
+            await _recentProxy.Add(recentItem);
+        }
+
+        public void ClearAll()
+        {
+            _recentProxy.ClearAll();
+        }
+    }
+}

ModernKeePass.Application/Services/ResourceService.cs

@@ -0,0 +1,20 @@
+using ModernKeePass.Application.Common.Interfaces;
+using ModernKeePass.Domain.Interfaces;
+
+namespace ModernKeePass.Application.Services
+{
+    public class ResourceService: IResourceService
+    {
+        private readonly IResourceProxy _resourceProxy;
+
+        public ResourceService(IResourceProxy resourceProxy)
+        {
+            _resourceProxy = resourceProxy;
+        }
+
+        public string GetResourceValue(string key)
+        {
+            return _resourceProxy.GetResourceValue(key);
+        }
+    }
+}

ModernKeePass.Application/Services/SecurityService.cs

@@ -0,0 +1,35 @@
+using System.Threading.Tasks;
+using ModernKeePass.Application.Common.Interfaces;
+using ModernKeePass.Domain.Dtos;
+using ModernKeePass.Domain.Interfaces;
+
+namespace ModernKeePass.Application.Services
+{
+    public class SecurityService: ISecurityService
+    {
+        private readonly IPasswordProxy _passwordProxy;
+        private readonly IFileService _fileService;
+
+        public SecurityService(IPasswordProxy passwordProxy, IFileService fileService)
+        {
+            _passwordProxy = passwordProxy;
+            _fileService = fileService;
+        }
+
+        public string GeneratePassword(PasswordGenerationOptions options)
+        {
+            return _passwordProxy.GeneratePassword(options);
+        }
+
+        public uint EstimatePasswordComplexity(string password)
+        {
+            return _passwordProxy.EstimatePasswordComplexity(password);
+        }
+
+        public async Task GenerateKeyFile(string filePath)
+        {
+            var fileContents = _passwordProxy.GenerateKeyFile(null);
+            await _fileService.WriteBinaryContentsToFile(filePath, fileContents);
+        }
+    }
+}

ModernKeePass.Application/Services/SettingsService.cs

@@ -0,0 +1,25 @@
+using ModernKeePass.Application.Common.Interfaces;
+using ModernKeePass.Domain.Interfaces;
+
+namespace ModernKeePass.Application.Services
+{
+    public class SettingsService: ISettingsService
+    {
+        private readonly ISettingsProxy _settingsProxy;
+
+        public SettingsService(ISettingsProxy settingsProxy)
+        {
+            _settingsProxy = settingsProxy;
+        }
+
+        public T GetSetting<T>(string property, T defaultValue = default)
+        {
+            return _settingsProxy.GetSetting<T>(property, defaultValue);
+        }
+
+        public void PutSetting<T>(string property, T value)
+        {
+            _settingsProxy.PutSetting<T>(property, value);
+        }
+    }
+}

ModernKeePass.Application/project.json

@@ -0,0 +1,15 @@
+{
+  "supports": {},
+  "dependencies": {
+    "Autofac": "4.9.4",
+    "AutoMapper": "6.2.2",
+    "FluentValidation": "8.6.2",
+    "MediatR": "4.0.0",
+    "Microsoft.NETCore.Portable.Compatibility": "1.0.1",
+    "NETStandard.Library": "1.6.1",
+    "Splat": "3.0.0"
+  },
+  "frameworks": {
+    "netstandard1.2": {}
+  }
+}

ModernKeePass.Domain.12/AOP/NotifyPropertyChangedBase.cs

@@ -0,0 +1,28 @@
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.Runtime.CompilerServices;
+
+namespace ModernKeePass.Domain.AOP
+{
+    public class NotifyPropertyChangedBase : INotifyPropertyChanged
+    {
+        public event PropertyChangedEventHandler PropertyChanged;
+
+        protected void OnPropertyChanged(string propertyName = "")
+        {
+            PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));
+        }
+
+        protected bool SetProperty<T>(ref T property, T value, [CallerMemberName] string propertyName = "")
+        {
+            if (EqualityComparer<T>.Default.Equals(property, value))
+            {
+                return false;
+            }
+
+            property = value;
+            OnPropertyChanged(propertyName);
+            return true;
+        }
+    }
+}

ModernKeePass.Domain.12/Dtos/Credentials.cs

@@ -0,0 +1,9 @@
+namespace ModernKeePass.Domain.Dtos
+{
+    public class Credentials
+    {
+        public string Password { get; set; }
+        public string KeyFilePath { get; set; }
+        // TODO: add Windows Hello
+    }
+}

ModernKeePass.Domain.12/Dtos/FileInfo.cs

@@ -0,0 +1,8 @@
+namespace ModernKeePass.Domain.Dtos
+{
+    public class FileInfo
+    {
+        public string Name { get; set; }
+        public string Path { get; set; }
+    }
+}

ModernKeePass.Domain.12/Dtos/PasswordGenerationOptions.cs

@@ -0,0 +1,16 @@
+namespace ModernKeePass.Domain.Dtos
+{
+    public class PasswordGenerationOptions
+    {
+        public int PasswordLength { get; set; }
+        public bool UpperCasePatternSelected { get; set; }
+        public bool LowerCasePatternSelected { get; set; }
+        public bool DigitsPatternSelected { get; set; }
+        public bool SpecialPatternSelected { get; set; }
+        public bool MinusPatternSelected { get; set; }
+        public bool UnderscorePatternSelected { get; set; }
+        public bool SpacePatternSelected { get; set; }
+        public bool BracketsPatternSelected { get; set; }
+        public string CustomChars { get; set; }
+    }
+}

ModernKeePass.Domain.12/Entities/BaseEntity.cs

@@ -0,0 +1,14 @@
+using System;
+using System.Drawing;
+
+namespace ModernKeePass.Domain.Entities
+{
+    public class BaseEntity
+    {
+        public string Id { get; set; }
+        public string Name { get; set; }
+        public Color ForegroundColor { get; set; }
+        public Color BackgroundColor { get; set; }
+        public DateTimeOffset LastModificationDate { get; set; }
+    }
+}

ModernKeePass.Domain.12/Entities/DatabaseEntity.cs

@@ -0,0 +1,9 @@
+namespace ModernKeePass.Domain.Entities
+{
+    public class DatabaseEntity
+    {
+        public string Name { get; set; }
+
+        public GroupEntity RootGroupEntity { get; set; }
+    }
+}

ModernKeePass.Domain.12/Entities/EntryEntity.cs

@@ -0,0 +1,22 @@
+using System;
+using System.Collections.Generic;
+using System.Drawing;
+using ModernKeePass.Domain.Enums;
+
+namespace ModernKeePass.Domain.Entities
+{
+    public class EntryEntity: BaseEntity
+    {
+        public string UserName { get; set; }
+        public string Password { get; set; }
+        public Uri Url { get; set; }
+        public string Notes { get; set; }
+        public DateTimeOffset ExpirationDate { get; set; }
+        public Color ForegroundColor { get; set; }
+        public Color BackgroundColor { get; set; }
+        public Dictionary<string, string> AdditionalFields { get; set; } = new Dictionary<string, string>();
+        public IEnumerable<EntryEntity> History { get; set; }
+        public Icon Icon { get; set; }
+        public bool HasExpirationDate { get; set; }
+    }
+}

ModernKeePass.Domain.12/Entities/GroupEntity.cs

@@ -0,0 +1,12 @@
+using System.Collections.Generic;
+using ModernKeePass.Domain.Enums;
+
+namespace ModernKeePass.Domain.Entities
+{
+    public class GroupEntity : BaseEntity
+    {
+        public List<GroupEntity> SubGroups { get; set; } = new List<GroupEntity>();
+        public List<EntryEntity> Entries { get; set; } = new List<EntryEntity>();
+        public Icon Icon { get; set; }
+    }
+}

ModernKeePass.Domain.12/Enums/CredentialStatusTypes.cs

@@ -0,0 +1,10 @@
+namespace ModernKeePass.Domain.Enums
+{
+    public enum CredentialStatusTypes
+    {
+        Normal = 0,
+        Error = 1,
+        Warning = 3,
+        Success = 5
+    }
+}

ModernKeePass.Domain.12/Enums/Icon.cs

@@ -0,0 +1,54 @@
+namespace ModernKeePass.Domain.Enums
+{
+    public enum Icon
+    {
+        Delete,
+        Edit,
+        Save,
+        Cancel,
+        Accept,
+        Home,
+        Camera,
+        Setting,
+        Mail,
+        Find,
+        Help,
+        Clock,
+        Crop,
+        World,
+        Flag,
+        PreviewLink,
+        Document,
+        ProtectedDocument,
+        ContactInfo,
+        ViewAll,
+        Rotate,
+        List,
+        Shop,
+        BrowsePhotos,
+        Caption,
+        Repair,
+        Page,
+        Paste,
+        Important,
+        SlideShow,
+        MapDrive,
+        ContactPresence,
+        Contact,
+        Folder,
+        View,
+        Permissions,
+        Map,
+        CellPhone,
+        OutlineStar,
+        Calculator,
+        Library,
+        SyncFolder,
+        GoToStart,
+        ZeroBars,
+        FourBars,
+        Scan,
+        ReportHacked,
+        Stop
+    }
+}

ModernKeePass.Domain.12/Enums/ImportFormat.cs

@@ -0,0 +1,7 @@
+namespace ModernKeePass.Domain.Enums
+{
+    public enum ImportFormat
+    {
+        CSV
+    }
+}

ModernKeePass.Domain.12/Exceptions/DatabaseClosedException.cs

@@ -0,0 +1,7 @@
+using System;
+
+namespace ModernKeePass.Domain.Exceptions
+{
+    public class DatabaseClosedException: Exception
+    { }
+}

ModernKeePass.Domain.12/Exceptions/DatabaseOpenException.cs

@@ -0,0 +1,7 @@
+using System;
+
+namespace ModernKeePass.Domain.Exceptions
+{
+    public class DatabaseOpenException: Exception
+    { }
+}

ModernKeePass.Domain.12/Exceptions/NavigationException.cs

@@ -0,0 +1,11 @@
+using System;
+
+namespace ModernKeePass.Domain.Exceptions
+{
+    public class NavigationException: Exception
+    {
+        public NavigationException(Type pageType) : base($"Failed to load Page {pageType.FullName}")
+        {
+        }
+    }
+}

ModernKeePass.Domain.12/Exceptions/SaveException.cs

@@ -0,0 +1,14 @@
+using System;
+
+namespace ModernKeePass.Domain.Exceptions
+{
+    public class SaveException : Exception
+    {
+        public new Exception InnerException { get; }
+
+        public SaveException(Exception exception)
+        {
+            InnerException = exception;
+        }
+    }
+}

ModernKeePass.Domain.12/ModernKeePass.Domain.csproj

@@ -0,0 +1,11 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>netstandard1.2</TargetFramework>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Splat" Version="3.0.0" />
+  </ItemGroup>
+
+</Project>

ModernKeePass.Domain/AOP/NotifyPropertyChangedBase.cs

@@ -0,0 +1,28 @@
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.Runtime.CompilerServices;
+
+namespace ModernKeePass.Domain.AOP
+{
+    public class NotifyPropertyChangedBase : INotifyPropertyChanged
+    {
+        public event PropertyChangedEventHandler PropertyChanged;
+
+        protected void OnPropertyChanged(string propertyName = "")
+        {
+            PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));
+        }
+
+        protected bool SetProperty<T>(ref T property, T value, [CallerMemberName] string propertyName = "")
+        {
+            if (EqualityComparer<T>.Default.Equals(property, value))
+            {
+                return false;
+            }
+
+            property = value;
+            OnPropertyChanged(propertyName);
+            return true;
+        }
+    }
+}

ModernKeePass.Domain/Dtos/Credentials.cs

@@ -0,0 +1,9 @@
+namespace ModernKeePass.Domain.Dtos
+{
+    public class Credentials
+    {
+        public string Password { get; set; }
+        public string KeyFilePath { get; set; }
+        // TODO: add Windows Hello
+    }
+}

ModernKeePass.Domain/Dtos/FileInfo.cs

@@ -0,0 +1,8 @@
+namespace ModernKeePass.Domain.Dtos
+{
+    public class FileInfo
+    {
+        public string Name { get; set; }
+        public string Path { get; set; }
+    }
+}

ModernKeePass.Domain/Dtos/PasswordGenerationOptions.cs

@@ -0,0 +1,16 @@
+namespace ModernKeePass.Domain.Dtos
+{
+    public class PasswordGenerationOptions
+    {
+        public int PasswordLength { get; set; }
+        public bool UpperCasePatternSelected { get; set; }
+        public bool LowerCasePatternSelected { get; set; }
+        public bool DigitsPatternSelected { get; set; }
+        public bool SpecialPatternSelected { get; set; }
+        public bool MinusPatternSelected { get; set; }
+        public bool UnderscorePatternSelected { get; set; }
+        public bool SpacePatternSelected { get; set; }
+        public bool BracketsPatternSelected { get; set; }
+        public string CustomChars { get; set; }
+    }
+}

ModernKeePass.Domain/Entities/BaseEntity.cs

@@ -0,0 +1,14 @@
+using System;
+using System.Drawing;
+
+namespace ModernKeePass.Domain.Entities
+{
+    public class BaseEntity
+    {
+        public string Id { get; set; }
+        public string Name { get; set; }
+        public Color ForegroundColor { get; set; }
+        public Color BackgroundColor { get; set; }
+        public DateTimeOffset LastModificationDate { get; set; }
+    }
+}

ModernKeePass.Domain/Entities/DatabaseEntity.cs

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+namespace ModernKeePass.Domain.Entities
+{
+    public class DatabaseEntity
+    {
+        public string Name { get; set; }
+
+        public GroupEntity RootGroupEntity { get; set; }
+    }
+}

ModernKeePass.Domain/Entities/EntryEntity.cs

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+using System;
+using System.Collections.Generic;
+using ModernKeePass.Domain.Enums;
+
+namespace ModernKeePass.Domain.Entities
+{
+    public class EntryEntity: BaseEntity
+    {
+        public string UserName { get; set; }
+        public string Password { get; set; }
+        public Uri Url { get; set; }
+        public string Notes { get; set; }
+        public DateTimeOffset ExpirationDate { get; set; }
+        public Dictionary<string, string> AdditionalFields { get; set; } = new Dictionary<string, string>();
+        public IEnumerable<EntryEntity> History { get; set; }
+        public Icon Icon { get; set; }
+        public bool HasExpirationDate { get; set; }
+    }
+}

ModernKeePass.Domain/Entities/GroupEntity.cs

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+using System.Collections.Generic;
+using ModernKeePass.Domain.Enums;
+
+namespace ModernKeePass.Domain.Entities
+{
+    public class GroupEntity : BaseEntity
+    {
+        public List<GroupEntity> SubGroups { get; set; } = new List<GroupEntity>();
+        public List<EntryEntity> Entries { get; set; } = new List<EntryEntity>();
+        public Icon Icon { get; set; }
+    }
+}

ModernKeePass.Domain/Enums/CredentialStatusTypes.cs

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+namespace ModernKeePass.Domain.Enums
+{
+    public enum CredentialStatusTypes
+    {
+        Normal = 0,
+        Error = 1,
+        Warning = 3,
+        Success = 5
+    }
+}

ModernKeePass.Domain/Enums/Icon.cs

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+namespace ModernKeePass.Domain.Enums
+{
+    public enum Icon
+    {
+        Delete,
+        Edit,
+        Save,
+        Cancel,
+        Accept,
+        Home,
+        Camera,
+        Setting,
+        Mail,
+        Find,
+        Help,
+        Clock,
+        Crop,
+        World,
+        Flag,
+        PreviewLink,
+        Document,
+        ProtectedDocument,
+        ContactInfo,
+        ViewAll,
+        Rotate,
+        List,
+        Shop,
+        BrowsePhotos,
+        Caption,
+        Repair,
+        Page,
+        Paste,
+        Important,
+        SlideShow,
+        MapDrive,
+        ContactPresence,
+        Contact,
+        Folder,
+        View,
+        Permissions,
+        Map,
+        CellPhone,
+        OutlineStar,
+        Calculator,
+        Library,
+        SyncFolder,
+        GoToStart,
+        ZeroBars,
+        FourBars,
+        Scan,
+        ReportHacked,
+        Stop
+    }
+}

ModernKeePass.Domain/Enums/ImportFormat.cs

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+namespace ModernKeePass.Domain.Enums
+{
+    public enum ImportFormat
+    {
+        CSV
+    }
+}

ModernKeePass.Domain/Exceptions/DatabaseClosedException.cs

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+using System;
+
+namespace ModernKeePass.Domain.Exceptions
+{
+    public class DatabaseClosedException: Exception
+    { }
+}

ModernKeePass.Domain/Exceptions/DatabaseOpenException.cs

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+using System;
+
+namespace ModernKeePass.Domain.Exceptions
+{
+    public class DatabaseOpenException: Exception
+    { }
+}