def create
      @membership = @participant
                    .memberships
                    .build(membership_params)
      authorize! :create, @membership

      if validate_social_membership && @membership.save
        redirect_to participant_path(@participant),
                    notice: "Group was successfully assigned"
      else
        render :new
      end
    end
def create
      @membership = @participant
                    .memberships
                    .build(membership_params)
      authorize! :create, @membership

      if validate_social_membership && @membership.save
        redirect_to participant_path(@participant),
                    notice: "Group was successfully assigned"
      else
        render :new
      end
    end
POST /think_feel_do_dashboard/participants/1/groups