distributed-computing/tasks/nikiforova-ts/Lab_3/worker-2/Program.cs

List<Authors> authors = new()
{
    new Authors() { Uuid= Guid.NewGuid(), Number = "1", Name = "Programming Basics", IdBook = Guid.Parse("6a1b4a72-5669-41fe-8d5b-106dc86f58bd") },
    new Authors() { Uuid= Guid.NewGuid(), Number = "2", Name = "Advanced Algorithms", IdBook = Guid.Parse("f8692bea-b7e6-4164-b564-a921f16c35c9") },
    new Authors() { Uuid= Guid.NewGuid(), Number = "3", Name = "Romantic Journey", IdBook = Guid.Parse("464bbdb8-39c0-4644-b9c0-3df1c484ea7e") },
    new Authors() { Uuid= Guid.NewGuid(), Number = "3А", Name = "Mystery Island", IdBook = Guid.Parse("464bbdb8-39c0-4644-b9c0-3df1c484ea7e") },
};

var builder = WebApplication.CreateBuilder(args);

builder.Services.AddEndpointsApiExplorer();
builder.Services.AddSwaggerGen();

var app = builder.Build();

if (app.Environment.IsDevelopment())
{
    app.UseSwagger();
    app.UseSwaggerUI();
}

app.UseHttpsRedirection();

app.MapGet("/", () =>
{
    return authors.Select(r => new AuthorEntityDto()
    {
        Uuid = r.Uuid,
        Number = r.Number,
        Name = r.Name,
        IdBook = r.IdBook,
    });
})
.WithName("GetAuthors")
.WithOpenApi();

app.MapGet("/{uuid}", (Guid uuid) =>
{
    var author = authors.FirstOrDefault(r => r.Uuid == uuid);
    if (author == null)
        return Results.NotFound();
    return Results.Json(new AuthorEntityDto()
    {
        Uuid = author.Uuid,
        Number = author.Number,
        Name = author.Name,
        IdBook = author.IdBook,
    });
})
.WithName("GetAuthorByGUID")
.WithOpenApi();

app.MapPost("/{number}/{name}/{IdBook}", (string? Number, string Name, Guid IdBook) =>
{
    Guid NewGuid = Guid.NewGuid();
    authors.Add(new Authors() { Uuid = NewGuid, Number = (string)Number, Name = (string)Name, IdBook = (Guid)IdBook });
   
    var author = authors.FirstOrDefault(r => r.Uuid == NewGuid);
    if (author == null)
        return Results.NotFound();
    return Results.Json(new AuthorEntityDto()
    {
        Uuid = author.Uuid,
        Number = author.Number,
        Name = author.Name,
        IdBook = author.IdBook,
    });
})
.WithName("PostAuthor")
.WithOpenApi();

app.MapPatch("/{uuid}/{number}/{name}/{IdBook}", (Guid uuid, string ?number, string name, Guid IdBook) =>
{
    var author = authors.FirstOrDefault(r => r.Uuid == uuid);
    if (author == null)
        return Results.NotFound();
    if (number != ",") author.Number = number;
    if (name != author.Name) author.Name = name;
    if (IdBook != author.IdBook) author.IdBook = IdBook;

    return Results.Json(new AuthorEntityDto()
    {
        Uuid = author.Uuid,
        Number = author.Number,
        Name = author.Name,
        IdBook = author.IdBook,
    });
})
.WithName("UpdateAuthor")
.WithOpenApi();

app.MapDelete("/{uuid}", (Guid uuid) =>
{
    var author = authors.FirstOrDefault(r => r.Uuid == uuid);    
    if (author == null)
        return Results.NotFound();
    authors.Remove(author);
    return Results.Json(new AuthorEntityDto()
    {
        Uuid = author.Uuid,
        Number = author.Number,
        Name = author.Name,
        IdBook = author.IdBook,
    });
})
.WithName("DeleteAuthor")
.WithOpenApi();

app.MapGet("/Authors/", async () =>
{
    var httpClient = new HttpClient();
    var secondWorkerResponse = await httpClient.GetStringAsync("http://worker-1:8080/");

    return secondWorkerResponse.ToArray();
})
.WithName("GetBooks")
.WithOpenApi();

app.Run();

public class Authors
{
    public Guid Uuid { get; set; }
    public string Number { get; set; } = string.Empty;
    public string  Name  { get; set; } = string.Empty;
    public Guid IdBook { get; set; }
}

public class AuthorEntityDto : Authors { }

public class Books
{
    public Guid Uuid { get; set; }
    public string Title { get; set; } = string.Empty;
    public string Genre  { get; set; } = string.Empty;
}

public class BookEntityDto : Books { }