play with storing valueobjects

PracticeCalendar.Api/Controllers/ProductsController.cs

@@ -0,0 +1,23 @@
+using Microsoft.AspNetCore.Mvc;
+using PracticeCalendar.API.Controllers;
+using PracticeCalendar.Application.Products.Queries;
+using PracticeCalendar.Application.Products.Queries.GetProducts;
+
+namespace PracticeCalendar.Api.Controllers
+{
+    public class ProductsController : ApiControllerBase
+    {
+        private readonly ILogger<ProductsController> logger;
+
+        public ProductsController(ILogger<ProductsController> logger)
+        {
+            this.logger = logger;
+        }
+
+        [HttpGet]
+        public async Task<ActionResult<List<ProductDto>>> Get()
+        {
+            return await Mediator.Send(new GetProductsQuery());
+        }
+    }
+}

PracticeCalendar.Api/Program.cs

@@ -9,7 +9,7 @@ namespace PracticeCalendar
 {
     public class Program
     {
-        public static void Main(string[] args)
+        public static async Task Main(string[] args)
         {
             var builder = WebApplication.CreateBuilder(args);
 
@@ -51,13 +51,11 @@ namespace PracticeCalendar
             using (var scope = app.Services.CreateScope())
             {
                 var services = scope.ServiceProvider;
-
                 try
                 {
-                    var context = services.GetRequiredService<ApplicationDbContext>();
+                    var initialiser = services.GetRequiredService<ApplicationDbContextInitialiser>();
-                    //context.Database.Migrate();
+                    await initialiser.InitialiseAsync();
-                    context.Database.EnsureCreated();
+                    await initialiser.SeedAsync();
-                    //SeedData.Initialize(services);
                 }
                 catch (Exception ex)
                 {

PracticeCalendar.Application/ConfigureServices.cs

@@ -3,7 +3,10 @@ using MapsterMapper;
 using MediatR;
 using Microsoft.Extensions.DependencyInjection;
 using PracticeCalendar.Application.PracticeEvents.Queries;
-using PracticeCalendar.Domain.Entities;
+using PracticeCalendar.Application.Products.Queries;
+using PracticeCalendar.Domain.Entities.PracticeEvent;
+using PracticeCalendar.Domain.Entities.Product;
+using PracticeCalendar.Domain.ValueObjects;
 using System.Reflection;
 
 namespace PracticeCalendar.Application
@@ -28,6 +31,30 @@ namespace PracticeCalendar.Application
             mapsterConfig.NewConfig<PracticeEventDto, PracticeEvent>()
                 .MapToConstructor(true)
                 .ConstructUsing(src => new PracticeEvent(src.Title, src.Description, src.StartTime, src.EndTime));
+            mapsterConfig.NewConfig<ProductDto, Product>()
+                .MapToConstructor(true)
+                .ConstructUsing(src => new Product()
+                {
+                    Id = src.Id,
+                    Category = src.Category,
+                    Name = src.Name,
+                    UnitPrice = new Price
+                    {
+                        Value = src.UnitPrice,
+                        Currency = src.UnitPriceCurrency
+                    }
+                });
+            mapsterConfig
+                .ForType<Product, ProductDto>()
+                .MapWith(src => new ProductDto
+                {
+                    Id = src.Id,
+                    Name = src.Name,
+                    Category = src.Category,
+                    UnitPrice = src.UnitPrice.Value,
+                    UnitPriceCurrency = src.UnitPrice.Currency
+                })
+                ;
             services.AddSingleton<IMapper>(new Mapper(mapsterConfig));
 
             return services;

PracticeCalendar.Application/PracticeEvents/Commands/AttendeeAcceptEventCommand.cs

@@ -1,7 +1,7 @@
 using MediatR;
 using PracticeCalendar.Domain.Common.Interfaces;
-using PracticeCalendar.Domain.Entities;
+using PracticeCalendar.Domain.Entities.PracticeEvent;
-using PracticeCalendar.Domain.Entities.Specifications;
+using PracticeCalendar.Domain.Entities.PracticeEvent.Specifications;
 using PracticeCalendar.Domain.Exceptions;
 
 namespace PracticeCalendar.Application.PracticeEvents.Commands
@@ -29,7 +29,7 @@ namespace PracticeCalendar.Application.PracticeEvents.Commands
 
         public async Task<Unit> Handle(AttendeeAcceptEventCommand request, CancellationToken cancellationToken)
         {
-            var spec = new PracticeEventByIdWithAttendees(request.EventId);
+            var spec = new PracticeEventByIdWithAttendeesSpecification(request.EventId);
             var practiceEvent = await eventsRepo.FirstOrDefaultAsync(spec, cancellationToken);
             if (practiceEvent == null)
             {

PracticeCalendar.Application/PracticeEvents/Commands/AttendeeDeclineEventCommand.cs

@@ -1,7 +1,7 @@
 using MediatR;
 using PracticeCalendar.Domain.Common.Interfaces;
-using PracticeCalendar.Domain.Entities;
+using PracticeCalendar.Domain.Entities.PracticeEvent;
-using PracticeCalendar.Domain.Entities.Specifications;
+using PracticeCalendar.Domain.Entities.PracticeEvent.Specifications;
 using PracticeCalendar.Domain.Exceptions;
 
 namespace PracticeCalendar.Application.PracticeEvents.Commands
@@ -29,7 +29,7 @@ namespace PracticeCalendar.Application.PracticeEvents.Commands
 
         public async Task<Unit> Handle(AttendeeDeclineEventCommand request, CancellationToken cancellationToken)
         {
-            var spec = new PracticeEventByIdWithAttendees(request.EventId);
+            var spec = new PracticeEventByIdWithAttendeesSpecification(request.EventId);
             var practiceEvent = await eventsRepo.FirstOrDefaultAsync(spec, cancellationToken);
             if (practiceEvent == null)
             {

PracticeCalendar.Application/PracticeEvents/Commands/CreatePracticeEventCommand.cs

@@ -2,7 +2,7 @@
 using MediatR;
 using PracticeCalendar.Application.PracticeEvents.Queries;
 using PracticeCalendar.Domain.Common.Interfaces;
-using PracticeCalendar.Domain.Entities;
+using PracticeCalendar.Domain.Entities.PracticeEvent;
 
 namespace PracticeCalendar.Application.PracticeEvents.Commands
 {

PracticeCalendar.Application/PracticeEvents/Commands/DeletePracticeEventCommand.cs

@@ -1,6 +1,6 @@
 using MediatR;
 using PracticeCalendar.Domain.Common.Interfaces;
-using PracticeCalendar.Domain.Entities;
+using PracticeCalendar.Domain.Entities.PracticeEvent;
 using PracticeCalendar.Domain.Exceptions;
 
 namespace PracticeCalendar.Application.PracticeEvents.Commands

PracticeCalendar.Application/PracticeEvents/Commands/UpdatePracticeEventCommand.cs

@@ -2,7 +2,7 @@
 using MediatR;
 using PracticeCalendar.Application.PracticeEvents.Queries;
 using PracticeCalendar.Domain.Common.Interfaces;
-using PracticeCalendar.Domain.Entities;
+using PracticeCalendar.Domain.Entities.PracticeEvent;
 using PracticeCalendar.Domain.Exceptions;
 
 namespace PracticeCalendar.Application.PracticeEvents.Commands

PracticeCalendar.Application/PracticeEvents/Queries/GetPracticeEvents/GetPracticeEventsQuery.cs

@@ -3,8 +3,8 @@ using MapsterMapper;
 using MediatR;
 using Microsoft.Extensions.Logging;
 using PracticeCalendar.Domain.Common.Interfaces;
-using PracticeCalendar.Domain.Entities;
+using PracticeCalendar.Domain.Entities.PracticeEvent;
-using PracticeCalendar.Domain.Entities.Specifications;
+using PracticeCalendar.Domain.Entities.PracticeEvent.Specifications;
 
 namespace PracticeCalendar.Application.PracticeEvents.Queries.GetPracticeEvents
 {
@@ -29,7 +29,7 @@ namespace PracticeCalendar.Application.PracticeEvents.Queries.GetPracticeEvents
 
         public async Task<List<PracticeEventDto>> Handle(GetPracticeEventsQuery request, CancellationToken cancellationToken)
         {
-            var spec = new PracticeEventsWithAttendees();
+            var spec = new PracticeEventsWithAttendeesSpecification();
             var evList = await eventsRepo.ListAsync(spec, cancellationToken);
             var lst = evList.Adapt<List<PracticeEventDto>>(mapper.Config);
             return lst;

PracticeCalendar.Application/Products/Queries/GetProducts/GetProductsQuery.cs

@@ -0,0 +1,39 @@
+using Mapster;
+using MapsterMapper;
+using MediatR;
+using Microsoft.Extensions.Logging;
+using PracticeCalendar.Domain.Common.Interfaces;
+using PracticeCalendar.Domain.Entities.Product;
+using PracticeCalendar.Domain.Entities.Product.Specifications;
+
+namespace PracticeCalendar.Application.Products.Queries.GetProducts
+{
+    public class GetProductsQuery : IRequest<List<ProductDto>>
+    {
+
+    }
+
+    public class GetProductsQueryHandler : IRequestHandler<GetProductsQuery, List<ProductDto>>
+    {
+        private readonly ILogger<GetProductsQueryHandler> logger;
+        private readonly IRepository<Product> eventsRepo;
+        private readonly IMapper mapper;
+
+        public GetProductsQueryHandler(IRepository<Product> eventsRepo,
+            ILogger<GetProductsQueryHandler> logger,
+            IMapper mapper)
+        {
+            this.eventsRepo = eventsRepo;
+            this.logger = logger;
+            this.mapper = mapper;
+        }
+
+        public async Task<List<ProductDto>> Handle(GetProductsQuery request, CancellationToken cancellationToken)
+        {
+            var spec = new AllProductsSpecification();
+            var evList = await eventsRepo.ListAsync(spec, cancellationToken);
+            var lst = evList.Adapt<List<ProductDto>>(mapper.Config);
+            return lst;
+        }
+    }
+}

PracticeCalendar.Application/Products/Queries/ProductDto.cs

@@ -0,0 +1,13 @@
+using PracticeCalendar.Domain.ValueObjects;
+
+namespace PracticeCalendar.Application.Products.Queries
+{
+    public class ProductDto
+    {
+        public int Id { get; set; }
+        public string Name { get; set; } = string.Empty;
+        public string Category { get; set; } = string.Empty;
+        public decimal UnitPrice { get; set; }
+        public string UnitPriceCurrency { get; set; } = Price.DEFAULT_CURRENCY;
+    }
+}

PracticeCalendar.Domain/Entities/PracticeEvent/Attendee.cs

@@ -1,12 +1,12 @@
 using Ardalis.GuardClauses;
 using PracticeCalendar.Domain.Common;
 
-namespace PracticeCalendar.Domain.Entities
+namespace PracticeCalendar.Domain.Entities.PracticeEvent
 {
     /// <summary>
     /// Attendee to an event
     /// </summary>
-    public class Attendee: EntityBase
+    public class Attendee : EntityBase
     {
         public Attendee(string name, string emailAddress)
         {
@@ -25,7 +25,7 @@ namespace PracticeCalendar.Domain.Entities
         /// Set if the Attendee is attending
         /// </summary>
         /// <param name="isAttending"></param>
-        public void SetIsAttending (bool isAttending)
+        public void SetIsAttending(bool isAttending)
         {
             this.IsAttending = isAttending;
             //TODO - raise event

PracticeCalendar.Domain/Entities/PracticeEvent/PracticeEvent.cs

@@ -4,7 +4,7 @@ using PracticeCalendar.Domain.Common.Interfaces;
 using PracticeCalendar.Domain.Events;
 using PracticeCalendar.Domain.Exceptions;
 
-namespace PracticeCalendar.Domain.Entities
+namespace PracticeCalendar.Domain.Entities.PracticeEvent
 {
     /// <summary>
     /// Practice event aggregate
@@ -22,7 +22,7 @@ namespace PracticeCalendar.Domain.Entities
         }
 
         public string Title { get; private set; } = string.Empty;
-        public string Description{ get; private set; } = string.Empty;
+        public string Description { get; private set; } = string.Empty;
 
         public IList<Attendee> Attendees { get; private set; } = new List<Attendee>();
 

PracticeCalendar.Domain/Entities/PracticeEvent/Specifications/PracticeEventByIdWithAttendeesSpecification.cs

@@ -0,0 +1,13 @@
+using Ardalis.Specification;
+
+namespace PracticeCalendar.Domain.Entities.PracticeEvent.Specifications
+{
+    public class PracticeEventByIdWithAttendeesSpecification : Specification<PracticeEvent>
+    {
+        public PracticeEventByIdWithAttendeesSpecification(int eventId)
+        {
+            Query.Where(x => x.Id == eventId)
+                .Include(x => x.Attendees);
+        }
+    }
+}

PracticeCalendar.Domain/Entities/PracticeEvent/Specifications/PracticeEventsWithAttendeesSpecification.cs

@@ -0,0 +1,13 @@
+using Ardalis.Specification;
+
+namespace PracticeCalendar.Domain.Entities.PracticeEvent.Specifications
+{
+    public class PracticeEventsWithAttendeesSpecification : Specification<PracticeEvent>
+    {
+        public PracticeEventsWithAttendeesSpecification()
+        {
+            Query.AsNoTracking()
+                .Include(x => x.Attendees);
+        }
+    }
+}

PracticeCalendar.Domain/Entities/Product/Product.cs

@@ -0,0 +1,13 @@
+using PracticeCalendar.Domain.Common;
+using PracticeCalendar.Domain.Common.Interfaces;
+using PracticeCalendar.Domain.ValueObjects;
+
+namespace PracticeCalendar.Domain.Entities.Product
+{
+    public class Product : EntityBase, IAggregateRoot
+    {
+        public string Name { get; set; } = string.Empty;
+        public string Category { get; set; } = string.Empty;
+        public Price UnitPrice { get; set; } = Price.Empty;
+    }
+}

PracticeCalendar.Domain/Entities/Product/Specifications/AllProductsSpecification.cs

@@ -0,0 +1,12 @@
+using Ardalis.Specification;
+
+namespace PracticeCalendar.Domain.Entities.Product.Specifications
+{
+    public class AllProductsSpecification : Specification<Product>
+    {
+        public AllProductsSpecification()
+        {
+            Query.AsNoTracking();
+        }
+    }
+}

PracticeCalendar.Domain/Entities/Specifications/PracticeEventByIdWithAttendees.cs

@@ -1,13 +0,0 @@
-using Ardalis.Specification;
-
-namespace PracticeCalendar.Domain.Entities.Specifications
-{
-    public class PracticeEventByIdWithAttendees : Specification<PracticeEvent>
-    {
-        public PracticeEventByIdWithAttendees(int eventId)
-        {
-            Query.Where(x=>x.Id == eventId)
-                .Include(x => x.Attendees);
-        }
-    }
-}

PracticeCalendar.Domain/Entities/Specifications/PracticeEventsWithAttendees.cs

@@ -1,13 +0,0 @@
-using Ardalis.Specification;
-
-namespace PracticeCalendar.Domain.Entities.Specifications
-{
-    public class PracticeEventsWithAttendees : Specification<PracticeEvent>
-    {
-        public PracticeEventsWithAttendees()
-        {
-            Query.AsNoTracking()
-                .Include(x => x.Attendees);
-        }
-    }
-}

PracticeCalendar.Domain/Events/AttendeeAcceptEvent.cs

@@ -1,5 +1,5 @@
 using PracticeCalendar.Domain.Common;
-using PracticeCalendar.Domain.Entities;
+using PracticeCalendar.Domain.Entities.PracticeEvent;
 
 namespace PracticeCalendar.Domain.Events
 {

PracticeCalendar.Domain/Events/AttendeeAddedEvent.cs

@@ -1,5 +1,5 @@
 using PracticeCalendar.Domain.Common;
-using PracticeCalendar.Domain.Entities;
+using PracticeCalendar.Domain.Entities.PracticeEvent;
 
 namespace PracticeCalendar.Domain.Events
 {

PracticeCalendar.Domain/Events/AttendeeDeclinedEvent.cs

@@ -1,5 +1,5 @@
 using PracticeCalendar.Domain.Common;
-using PracticeCalendar.Domain.Entities;
+using PracticeCalendar.Domain.Entities.PracticeEvent;
 
 namespace PracticeCalendar.Domain.Events
 {

PracticeCalendar.Domain/Events/EventUpdateTitleAndDescriptionEvent.cs

@@ -1,5 +1,5 @@
 using PracticeCalendar.Domain.Common;
-using PracticeCalendar.Domain.Entities;
+using PracticeCalendar.Domain.Entities.PracticeEvent;
 
 namespace PracticeCalendar.Domain.Events
 {

PracticeCalendar.Domain/ValueObjects/Price.cs

@@ -0,0 +1,13 @@
+using PracticeCalendar.Domain.Common;
+
+namespace PracticeCalendar.Domain.ValueObjects
+{
+    public class Price : ValueObject
+    {
+        public static Price Empty = new Price();
+        public static string DEFAULT_CURRENCY = "EUR";
+
+        public decimal Value { get; set; }
+        public string Currency { get; set; } = Price.DEFAULT_CURRENCY;
+    }
+}

PracticeCalendar.Infrastructure/ConfigureServices.cs

@@ -17,6 +17,7 @@ namespace PracticeCalendar.Infrastructure
             string connectionString = configuration.GetConnectionString("SqliteConnection");
 
             services.AddDbContext(connectionString);
+
             services.AddTransient<IEmailSender, FileEmailSender>();
             services.AddSingleton<IDomainEventService, DomainEventService>();
 
@@ -25,8 +26,11 @@ namespace PracticeCalendar.Infrastructure
             return services;
         }
 
-        public static void AddDbContext(this IServiceCollection services, string connectionString) =>
+        public static void AddDbContext(this IServiceCollection services, string connectionString)
+        {
             services.AddDbContext<ApplicationDbContext>(options =>
                 options.UseSqlite(connectionString));
+            services.AddScoped<ApplicationDbContextInitialiser>();
+        }
     }
 }

PracticeCalendar.Infrastructure/Persistence/ApplicationDbContext.cs

@@ -1,7 +1,8 @@
 using Microsoft.EntityFrameworkCore;
 using PracticeCalendar.Domain.Common;
 using PracticeCalendar.Domain.Common.Interfaces;
-using PracticeCalendar.Domain.Entities;
+using PracticeCalendar.Domain.Entities.PracticeEvent;
+using PracticeCalendar.Domain.Entities.Product;
 using System.Reflection;
 
 namespace PracticeCalendar.Infrastructure.Persistence
@@ -13,6 +14,8 @@ namespace PracticeCalendar.Infrastructure.Persistence
         public DbSet<Attendee> Atendees => Set<Attendee>();
         public DbSet<PracticeEvent> PracticeEvents => Set<PracticeEvent>();
 
+        public DbSet<Product> Products => Set<Product>();
+
         public ApplicationDbContext(DbContextOptions<ApplicationDbContext> options, IDomainEventService domainEventService)
       : base(options)
         {

PracticeCalendar.Infrastructure/Persistence/ApplicationDbContextInitialiser.cs

@@ -1,11 +1,6 @@
 using Microsoft.EntityFrameworkCore;
 using Microsoft.Extensions.Logging;
-using PracticeCalendar.Domain.Entities;
+using PracticeCalendar.Domain.Entities.PracticeEvent;
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
 
 namespace PracticeCalendar.Infrastructure.Persistence
 {
@@ -27,6 +22,7 @@ namespace PracticeCalendar.Infrastructure.Persistence
             {
                 if (context.Database.IsSqlite())
                 {
+                    await context.Database.EnsureCreatedAsync();
                     await context.Database.MigrateAsync();
                 }
             }

PracticeCalendar.Infrastructure/Persistence/Configuration/AttendeeConfiguration.cs

@@ -1,6 +1,6 @@
 using Microsoft.EntityFrameworkCore;
 using Microsoft.EntityFrameworkCore.Metadata.Builders;
-using PracticeCalendar.Domain.Entities;
+using PracticeCalendar.Domain.Entities.PracticeEvent;
 
 namespace PracticeCalendar.Infrastructure.Persistence.Configuration
 {

PracticeCalendar.Infrastructure/Persistence/Configuration/PracticeEventConfiguration.cs

@@ -1,6 +1,6 @@
 using Microsoft.EntityFrameworkCore;
 using Microsoft.EntityFrameworkCore.Metadata.Builders;
-using PracticeCalendar.Domain.Entities;
+using PracticeCalendar.Domain.Entities.PracticeEvent;
 
 namespace PracticeCalendar.Infrastructure.Persistence.Configuration
 {

PracticeCalendar.Infrastructure/Persistence/Configuration/ProductConfiguration.cs

@@ -0,0 +1,30 @@
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Metadata.Builders;
+using PracticeCalendar.Domain.Entities.Product;
+using PracticeCalendar.Domain.ValueObjects;
+
+namespace PracticeCalendar.Infrastructure.Persistence.Configuration
+{
+    public class ProductConfiguration : IEntityTypeConfiguration<Product>
+    {
+        public void Configure(EntityTypeBuilder<Product> builder)
+        {
+            builder.Property(x => x.Name)
+                .HasMaxLength(100)
+                .IsRequired();
+            builder.Property(x => x.Category)
+                .HasMaxLength(100)
+                .IsRequired();
+            builder.OwnsOne(product => product.UnitPrice, price =>
+            {
+                price.Property(p => p.Currency)
+                    .HasColumnName(nameof(Price.Currency))
+                    .HasMaxLength(5)
+                    .IsRequired();
+                price.Property(p => p.Value)
+                    .HasColumnName(nameof(Price.Value))
+                    .IsRequired();
+            });
+        }
+    }
+}

PracticeCalendar.UnitTests/Application/Mapping/PracticeEventMappingTests.cs

@@ -1,7 +1,7 @@
 using FluentAssertions;
 using Mapster;
 using PracticeCalendar.Application.PracticeEvents.Queries;
-using PracticeCalendar.Domain.Entities;
+using PracticeCalendar.Domain.Entities.PracticeEvent;
 
 namespace PracticeCalendar.UnitTests.Application.Mapping
 {

PracticeCalendar.UnitTests/Domain/PracticeEventTest.cs

@@ -1,6 +1,5 @@
 using FluentAssertions;
-using FluentAssertions.Common;
+using PracticeCalendar.Domain.Entities.PracticeEvent;
-using PracticeCalendar.Domain.Entities;
 
 namespace PracticeCalendar.UnitTests.Domain
 {

PracticeCalendar.UnitTests/Integration/PracticeEvents/GetPracticeEventsTest.cs

@@ -1,7 +1,6 @@
 using FluentAssertions;
 using PracticeCalendar.Application.PracticeEvents.Queries.GetPracticeEvents;
-using PracticeCalendar.Domain.Entities;
+using PracticeCalendar.Domain.Entities.PracticeEvent;
-
 using static PracticeCalendar.UnitTests.Integration.Testing;
 
 namespace PracticeCalendar.UnitTests.Integration.PracticeEvents

PracticeCalendar.UnitTests/Integration/Testing.cs

@@ -4,9 +4,9 @@ using Microsoft.AspNetCore.Mvc.Testing;
 using Microsoft.Extensions.DependencyInjection;
 using PracticeCalendar.Infrastructure.Persistence;
 using Microsoft.EntityFrameworkCore;
-using PracticeCalendar.Domain.Entities;
 using PracticeCalendar.Domain.Common.Interfaces;
 using Moq;
+using PracticeCalendar.Domain.Entities.PracticeEvent;
 
 namespace PracticeCalendar.UnitTests.Integration
 {

PracticeCalendar.UnitTests/Integration/api/ControllerApiTest.cs

@@ -1,6 +1,6 @@
 using System.Net;
 using FluentAssertions;
-using PracticeCalendar.Domain.Entities;
+using PracticeCalendar.Domain.Entities.PracticeEvent;
 using PracticeCalendar.UnitTests.Integration;
 using static PracticeCalendar.UnitTests.Integration.Testing;