distributed-computing/tasks/lyamzina-ma/lab_3/worker-1/Program.cs

List<Categories> categories = new()
{
    new Categories() { Uuid= Guid.Parse("6a1b4a72-5669-41fe-8d5b-106dc86f58bd"), Name = "Неуловимые мстители", Product = "Фильм"},
    new Categories() { Uuid= Guid.Parse("464bbdb8-39c0-4644-b9c0-3df1c484ea7e"), Name = "Уэнздей", Product = "Сериал"},
    new Categories() { Uuid= Guid.Parse("f8692bea-b7e6-4164-b564-a921f16c35c9"), Name = "Война и мир", Product = "Книга"},
};

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 categories.Select(r => new CategoryEntityDto()
    {
        Uuid = r.Uuid,
        Name = r.Name,
        Product = r.Product,
    });
})
.WithName("GetCategories")
.WithOpenApi();

app.MapGet("/{uuid}", (Guid uuid) =>
{
    var category = categories.FirstOrDefault(r => r.Uuid == uuid);
    if (category == null)
        return Results.NotFound();
    return Results.Json(new CategoryEntityDto()
    {
        Uuid = category.Uuid,
        Name = category.Name,
        Product = category.Product,
    });
})
.WithName("GetCategoryByGUID")
.WithOpenApi();

app.MapPost("/{name}/{product}", (string Name, string Product) =>
{
    Guid NewGuid = Guid.NewGuid();
    categories.Add(new Categories() { Uuid = NewGuid, Name = (string)Name, Product = (string)Product});
   
    var category = categories.FirstOrDefault(r => r.Uuid == NewGuid);
    if (category == null)
        return Results.NotFound();
    return Results.Json(new CategoryEntityDto()
    {
        Uuid = category.Uuid,
        Name = category.Name,
        Product = category.Product,
    });
})
.WithName("PostCategory")
.WithOpenApi();

app.MapPatch("/{uuid}/{name}/{product}", (Guid uuid, string ?name, string ?product) =>
{
    var category = categories.FirstOrDefault(r => r.Uuid == uuid);
    if (category == null)
        return Results.NotFound();
    if (name != null) category.Name = name;
    if (product != null) category.Product = product;

    return Results.Json(new CategoryEntityDto()
    {
        Uuid = category.Uuid,
        Name = category.Name,
        Product = category.Product,
    });
})
.WithName("UpdateCategory")
.WithOpenApi();

app.MapDelete("/{uuid}", (Guid uuid) =>
{
    var category = categories.FirstOrDefault(r => r.Uuid == uuid);    
    if (category == null)
        return Results.NotFound();
    categories.Remove(category);
    return Results.Json(new CategoryEntityDto()
    {
        Uuid = category.Uuid,
        Name = category.Name,
        Product = category.Product,
    });
})
.WithName("DeleteCategoryByGUID")
.WithOpenApi();

app.Run();

public class Categories
{
    public Guid Uuid { get; set; }
    public string Name { get; set; } = string.Empty;
    public string Product { get; set; } = string.Empty;
}

public class CategoryEntityDto : Categories { }