distributed-computing/tasks/ostrovskaya-sf/lab_3/worker-2/Program.cs

using System.Diagnostics.Contracts;

List<Contract> agrs = new()
{
    new Contract() { Uuid= Guid.NewGuid(), Number = "Договор №655/55 от 01.07.2023", IdRequest = Guid.Parse("a1b5c571-a859-4bb8-9fd2-7431ddd6c464") }
};

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 agrs.Select(r => new ContractEntityDto()
    {
        Uuid = r.Uuid,
        Number = r.Number,
        IdRequest = r.IdRequest,
    });
})
.WithName("GetAgreements")
.WithOpenApi();

app.MapGet("/{uuid}", (Guid uuid) =>
{
    var agr = agrs.FirstOrDefault(r => r.Uuid == uuid);
    if (agr == null)
        return Results.NotFound();
    return Results.Json(new ContractEntityDto()
    {
        Uuid = agr.Uuid,
        Number = agr.Number,
        IdRequest = agr.IdRequest,
    });
})
.WithName("GetAgreementByGUID")
.WithOpenApi();

app.MapPost("/{number}/{idRequest}", (string? number, Guid idRequest) =>
{
    Guid NewGuid = Guid.NewGuid();
    agrs.Add(new Contract() { Uuid = NewGuid, Number = (string)number, IdRequest = (Guid)idRequest });

    var agr = agrs.FirstOrDefault(r => r.Uuid == NewGuid);
    if (agr == null)
        return Results.NotFound();
    return Results.Json(new ContractEntityDto()
    {
        Uuid = agr.Uuid,
        Number = agr.Number,
        IdRequest = agr.IdRequest,
    });
})
.WithName("PostAgreement")
.WithOpenApi();

app.MapPatch("/{uuid}/{number}/{idRequest}", (Guid uuid, string? number, Guid idRequest) =>
{
    var agr = agrs.FirstOrDefault(r => r.Uuid == uuid);
    if (agr == null)
        return Results.NotFound();
    if (number != ",") agr.Number = number;
    if (idRequest != agr.IdRequest) agr.IdRequest = idRequest;

    return Results.Json(new ContractEntityDto()
    {
        Uuid = agr.Uuid,
        Number = agr.Number,
        IdRequest = agr.IdRequest,
    });
})
.WithName("UpdateAgreement")
.WithOpenApi();

app.MapDelete("/{uuid}", (Guid uuid) =>
{
    var agr = agrs.FirstOrDefault(r => r.Uuid == uuid);
    if (agr == null)
        return Results.NotFound();
    agrs.Remove(agr);
    return Results.Json(new ContractEntityDto()
    {
        Uuid = agr.Uuid,
        Number = agr.Number,
        IdRequest = agr.IdRequest,
    });
})
.WithName("DeleteAgreement")
.WithOpenApi();

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

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

app.Run();

public class Contract
{
    public Guid Uuid { get; set; }
    public string Number { get; set; } = string.Empty;
    public Guid IdRequest { get; set; }
}

public class ContractEntityDto : Contract { }

public class Request
{
    public Guid Uuid { get; set; }
    public string Title { get; set; } = string.Empty;
    public string Student { get; set; } = string.Empty;
    public DateTime DateAgreement { get; set; }
    public bool AgreementValid { get; set; }
}

public class RequestEntityDto : Request { }