public string Execute(params string[] args)
{
Check.CheckLength(2, args);
var teamName = args[0];
var username = args[1];
using (var context = new TeamBuilderDbContext())
{
var team = context.Teams.SingleOrDefault(t => t.Name == teamName);
var user = context.Users.SingleOrDefault(u => u.Username == username);
if (team == null || user == null)
{
throw new ArgumentException(Constants.ErrorMessages.TeamOrUserNotExist);
}
if (Session.User == null)
{
throw new InvalidOperationException(Constants.ErrorMessages.LoginFirst);
}
var isCreator = CommandHelper.IsUserCreatorOfTeam(teamName, user);
var isAlreadyInTeam = CommandHelper.IsMemberOfTeam(teamName, username);
if (isCreator)
{
var userTeam = new UserTeam()
{
Team = team,
User = user
};
user.CreatedUserTeams.Add(userTeam);
team.Members.Add(userTeam);
context.UserTeams.Add(userTeam);
context.SaveChanges();
return($"Team {teamName} invited {username}!");
}
if (isCreator || isAlreadyInTeam)
{
throw new InvalidOperationException(Constants.ErrorMessages.NotAllowed);
}
var invitation = context.Invitations.Where(i => i.TeamId == team.Id && i.InvitedUserId == user.Id && i.IsActive == true);
if (invitation.Any())
{
throw new InvalidOperationException(Constants.ErrorMessages.InviteIsAlreadySent);
}
}
invitationService.InviteToTeam(teamName, username);
return($"Team {teamName} invited {username}!");
}