public async Task <IActionResult> JoinInitiative(int id)
{
int userId = int.Parse(User.FindFirstValue(ClaimTypes.NameIdentifier));
if (await _initiativeService.UserExistsInInitiativeAsync(id, userId))
{
return(BadRequest(string.Format(_errorLocalizer["AlreadyInInitiative"].Value)));
}
await _initiativeService.JoinInitiativeAsync(id, userId);
return(Ok());
}