public async Task<IServiceResult> CreateIssue(IssueEditViewModel model)
        {
            var result = new ServiceResult<IssueEditViewModel>();

            try
            {
                var project = await context.Projects.FindAsync(model.ProjectId);
                if(project == null)
                {
                    result.AddError(m => m.ProjectId, "Ilyen projekt nem létezik");
                    return result;
                }

                var issue = mapper.Map<Issue>(model);
                issue.Project = project;
                issue.State = IssueState.New;
                context.Issues.Add(issue);

                await context.SaveChangesAsync(); 

            }
            catch (Exception e)
            {
                result.AddError("", e.Message);
            }

            return result;
        }
        public async Task<IServiceResult> UpdateIssue(IssueEditViewModel model)
        {
            var result = new ServiceResult<IssueEditViewModel>();

            try
            {
                var issue = model.Id.HasValue ? await context.Issues.FindAsync(model.Id.Value) : null;
                if(issue == null)
                {
                    result.AddError("", "Ilyen feladat nem létezik");
                    return result;
                }

                if(!Enum.IsDefined(typeof(IssueState), model.State))
                {
                    result.AddError(m => m.State, "Nincs ilyen állaot");
                }
                    
                if(result.Succeeded)
                {
                    issue.Description = model.Description;
                    issue.State = model.State;
                    issue.Title = model.Title;

                    await context.SaveChangesAsync();
                }
            }
            catch (Exception e)
            {
                result.AddError("", e.Message);
            }

            return result;
        }