initial commit

Core/Application/Features/TodoManager/Commands/CreateTodo.cs

@@ -0,0 +1,58 @@
+using Application.Common.Repositories;
+using Domain.Entities;
+using FluentValidation;
+using MediatR;
+
+namespace Application.Features.TodoManager.Commands;
+
+public class CreateTodoResult
+{
+    public Todo? Data { get; set; }
+}
+
+public class CreateTodoRequest : IRequest<CreateTodoResult>
+{
+    public string? Name { get; init; }
+    public string? Description { get; init; }
+    public string? CreatedById { get; init; }
+}
+
+public class CreateTodoValidator : AbstractValidator<CreateTodoRequest>
+{
+    public CreateTodoValidator()
+    {
+        RuleFor(x => x.Name).NotEmpty();
+    }
+}
+
+public class CreateTodoHandler : IRequestHandler<CreateTodoRequest, CreateTodoResult>
+{
+    private readonly ICommandRepository<Todo> _repository;
+    private readonly IUnitOfWork _unitOfWork;
+
+    public CreateTodoHandler(
+        ICommandRepository<Todo> repository,
+        IUnitOfWork unitOfWork
+        )
+    {
+        _repository = repository;
+        _unitOfWork = unitOfWork;
+    }
+
+    public async Task<CreateTodoResult> Handle(CreateTodoRequest request, CancellationToken cancellationToken = default)
+    {
+        var entity = new Todo();
+        entity.CreatedById = request.CreatedById;
+
+        entity.Name = request.Name;
+        entity.Description = request.Description;
+
+        await _repository.CreateAsync(entity, cancellationToken);
+        await _unitOfWork.SaveAsync(cancellationToken);
+
+        return new CreateTodoResult
+        {
+            Data = entity
+        };
+    }
+}