distributed-computing/tasks/plaksina-av/lab_3/worker-1/Program.cs

List<Request> requests = new()
{
    new Request() { Uuid= Guid.Parse("81a130d2-502f-4cf1-a376-63edeb000e9f"), NameDepartament = "Информационные системы", Manager = "Романов Антон Алексеевич", Faculty = "ФИСТ"},
    new Request() { Uuid= Guid.Parse("65a9aed2-218a-468e-92b9-99f6a6a34543"), NameDepartament = "Прикладная математика и информатика", Manager = "Кувайскова Юлия Евгеньевна", Faculty = "ФИСТ"},
};

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 requests.Select(r => new RequestEntityDto()
    {
        Uuid = r.Uuid,
        NameDepartament = r.NameDepartament,
        Manager = r.Manager,
        Faculty = r.Faculty,
    });
})
.WithName("GetRequests")
.WithOpenApi();

app.MapGet("/{uuid}", (Guid uuid) =>
{
    var request = requests.FirstOrDefault(r => r.Uuid == uuid);
    if (request == null)
        return Results.NotFound();
    return Results.Json(new RequestEntityDto()
    {
        Uuid = request.Uuid,
        NameDepartament = request.NameDepartament,
        Manager = request.Manager,
        Faculty = request.Faculty,
    });
})
.WithName("GetRequestByGUID")
.WithOpenApi();

app.MapPost("/{nameDepartament}/{manager}/{faculty}", (string nameDepartament, string manager,  string faculty) =>
{
    Guid NewGuid = Guid.NewGuid();
    requests.Add(new Request() { Uuid = NewGuid, NameDepartament = (string)nameDepartament, Manager = (string)manager, Faculty = (string)faculty});
   
    var request = requests.FirstOrDefault(r => r.Uuid == NewGuid);
    if (request == null)
        return Results.NotFound();
    return Results.Json(new RequestEntityDto()
    {
        Uuid = request.Uuid,
        NameDepartament = request.NameDepartament,
        Manager = request.Manager,
        Faculty = request.Faculty,
    });
})
.WithName("PostRequest")
.WithOpenApi();

app.MapPatch("/{uuid}/{title}/{sourceOfFunds}/{sum}/{isCompleted}", (Guid uuid, string ?nameDepartament, string ?manager, string ?faculty) =>
{
    var request = requests.FirstOrDefault(r => r.Uuid == uuid);
    if (request == null)
        return Results.NotFound();
    if (nameDepartament != null) request.NameDepartament = nameDepartament;
    if (manager != null) request.Manager = manager;
    if (faculty != null) request.Faculty = faculty;


    return Results.Json(new RequestEntityDto()
    {
       Uuid = request.Uuid,
        NameDepartament = request.NameDepartament,
        Manager = request.Manager,
        Faculty = request.Faculty,
    });
})
.WithName("UpdateRequest")
.WithOpenApi();

app.MapDelete("/{uuid}", (Guid uuid) =>
{
    var request = requests.FirstOrDefault(r => r.Uuid == uuid);    
    if (request == null)
        return Results.NotFound();
    requests.Remove(request);
    return Results.Json(new RequestEntityDto()
    {
        Uuid = request.Uuid,
        NameDepartament = request.NameDepartament,
        Manager = request.Manager,
        Faculty = request.Faculty,
    });
})
.WithName("DeleteRequestByGUID")
.WithOpenApi();

app.Run();

public class Request
{
    public Guid Uuid { get; set; }
    public string NameDepartament { get; set; } = string.Empty;
    public string Manager { get; set; } = string.Empty;
    public string Faculty { get; set; } = string.Empty;
 
}

public class RequestEntityDto : Request { }