DD.WellWorkover.Cloud/ConsoleAppDbExperiments/Program.cs

using AsbCloudApp.Data;
using AsbCloudDb.Model;
using Microsoft.EntityFrameworkCore;

var options = new DbContextOptionsBuilder<AsbCloudDbContext>()
    .UseNpgsql("Host=localhost;Database=experiments;Username=postgres;Password=q;Persist Security Info=True;Include Error Detail=True")
    .Options;
var context = new AsbCloudDbContext(options);

var rels = context.RelationUserRoleUserRoles.Include(r=>r.Role).Include(r => r.IncludeRole);

IEnumerable<UserRoleDto> GetIncludedRole(int id)
{
    var res = context.UserRoles
        .Include(r=>r.RelationUserRoleUserRoles)
        .Where(r=>r.Id == id)
        .SelectMany(r=>r.);
    return rels.Where(r => r.Id == id).;
}

UserRoleDto Convert(UserRole role)
{
    if (role is null) 
        return null;

    var res = new UserRoleDto 
    { 
        Id = role.Id,
        Caption = role.Caption,
        IdType = role.IdType,
        Permissions = role.RelationUserRolePermissions?.Select(r => r.Permission).ToList(),
    };
}

PermissionDto Convert(Permission permission)
{
    if (permission is null)
        return null;
    return new PermissionDto 
    { 
        Name = permission.Name, 
        Id = permission.Id, 
        Description = permission.Description 
    };
}

Console.WriteLine("Hello, World!");