first commit

BookHive/Endpoints/Authors/CreateAuthorEndpoint.cs

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+using BookHive.DTO.Author;
+using BookHive.Models;
+using BookHive.Repositories;
+using FastEndpoints;
+
+namespace BookHive.Endpoints.Authors;
+
+public class CreateAuthorEndpoint(AuthorRepository authorRepository, AutoMapper.IMapper mapper) : Endpoint<CreateAuthorDto>
+{
+    public override void Configure()
+    {
+        Post("/authors/");
+        AllowAnonymous();
+    }
+
+    public override async Task HandleAsync(CreateAuthorDto req, CancellationToken ct)
+    {
+        await authorRepository.AddAsync(mapper.Map<Author>(req), ct);
+        await Send.OkAsync(cancellation: ct);
+    }
+}

BookHive/Endpoints/Authors/DeleteAuthorEndpoint.cs

@@ -0,0 +1,34 @@
+using BookHive.Models;
+using BookHive.Repositories;
+using BookHive.Specifications.Authors;
+using FastEndpoints;
+
+namespace BookHive.Endpoints.Authors;
+
+public class DeleteAuthorRequest
+{
+    public int Id { get; set; }
+}
+
+public class DeleteAuthorEndpoint(AuthorRepository authorRepository) : Endpoint<DeleteAuthorRequest>
+{
+    public override void Configure()
+    {
+        Delete("/authors/{@Id}", x => new { x.Id });
+        AllowAnonymous();
+    }
+    
+    public override async Task HandleAsync(DeleteAuthorRequest req, CancellationToken ct)
+    {
+        Author? author = await authorRepository.SingleOrDefaultAsync(new GetAuthorByIdSpec(req.Id), ct);
+
+        if (author is null)
+        {
+            await Send.NotFoundAsync(ct);
+            return;
+        }
+        
+        await authorRepository.DeleteAsync(author, ct);
+        await Send.OkAsync(cancellation: ct);
+    }
+}

BookHive/Endpoints/Authors/GetAuthorEndpoint.cs

@@ -0,0 +1,34 @@
+using BookHive.DTO.Author;
+using BookHive.Models;
+using BookHive.Repositories;
+using BookHive.Specifications.Authors;
+using FastEndpoints;
+
+namespace BookHive.Endpoints.Authors;
+
+public class AuthorRequest
+{
+    public int Id { get; set; }
+}
+
+public class GetAuthorEndpoint(AuthorRepository authorRepository, AutoMapper.IMapper mapper) : Endpoint<AuthorRequest, GetAuthorDetailsDto>
+{
+    public override void Configure()
+    {
+        Get("/authors/{@Id}/", x => new { x.Id });
+        AllowAnonymous();
+    }
+
+    public override async Task HandleAsync(AuthorRequest req, CancellationToken ct)
+    {
+        Author? author = await authorRepository.SingleOrDefaultAsync(new GetAuthorByIdSpec(req.Id), ct);
+
+        if (author is null)
+        {
+            await Send.NoContentAsync(ct);
+            return;
+        }
+
+        await Send.OkAsync(mapper.Map<GetAuthorDetailsDto>(author), ct);
+    }
+}

BookHive/Endpoints/Authors/GetAuthorsEndpoint.cs

@@ -0,0 +1,19 @@
+using BookHive.DTO.Author;
+using BookHive.Repositories;
+using FastEndpoints;
+
+namespace BookHive.Endpoints.Authors;
+
+public class GetAuthorsEndpoint(AuthorRepository authorRepository) : EndpointWithoutRequest<List<GetAuthorDto>>
+{
+    public override void Configure()
+    {
+        Get("/authors/");
+        AllowAnonymous();
+    }
+    
+    public override async Task HandleAsync(CancellationToken ct)
+    {
+        await Send.OkAsync(await authorRepository.ProjectToListAsync<GetAuthorDto>(ct), ct);
+    }
+}

BookHive/Endpoints/Authors/UpdateAuthorEndpoint.cs

@@ -0,0 +1,30 @@
+using BookHive.DTO.Author;
+using BookHive.Models;
+using BookHive.Repositories;
+using BookHive.Specifications.Authors;
+using FastEndpoints;
+
+namespace BookHive.Endpoints.Authors;
+
+public class UpdateAuthorEndpoint(AuthorRepository authorRepository, AutoMapper.IMapper mapper) : Endpoint<UpdateAuthorDto>
+{
+    public override void Configure()
+    {
+        Put("/authors/{@Id}/", x => new { x.Id });
+        AllowAnonymous();
+    }
+
+    public override async Task HandleAsync(UpdateAuthorDto req, CancellationToken ct)
+    {
+        Author? author = await authorRepository.SingleOrDefaultAsync(new GetAuthorByIdSpec(req.Id), ct);
+        if (author is null)
+        {
+            await Send.NotFoundAsync(ct);
+            return;
+        }
+        
+        mapper.Map(req, author);
+        await authorRepository.SaveChangesAsync(ct);
+        await Send.OkAsync(cancellation: ct);
+    }
+}