app/controllers/concerns/profile_controller.rb

profiles_controller.rb

def update
  #
  # TODO: explore why location details errors appear order-dependent
  # and unable to run in the error path
  #
  if setting_location_without_location_details?
    handle_blank_location_error
  elsif ProfileUpdating.execute(profile, permitted_params)
    handle_successful_profile_update
  else
    handle_profile_errors
  end
end

private
def setting_location_without_location_details?
  !!params[:setting_location] &&
      permitted_params[:account_attributes][:country].blank? &&
        permitted_params[:account_attributes][:latitude].blank?
end

def handle_blank_location_error
  profile.account.errors.add(:country, :blank)
  render "location_details/show"
end

def handle_successful_profile_update
  respond_to do |format|
    format.json {
      render json: {
        flash: {
          success: t("controllers.accounts.update.success"),
        },
      },
      status: 200
    }

    format.html {
      redirect_to after_update_path,
        success: t('controllers.accounts.update.success')
    }
  end
end

def handle_profile_errors
  # 
  # TODO: at next related change request,
  # consider the Open-Closed Principle
  # for factory-created objects that can
  # handle_profile_errors
  #
  if parent_guardian_errors?
    render "student/parental_consent_notices/new"
  elsif password_errors?
    handle_password_errors
  elsif email_errors?
    render 'email_addresses/edit'
  elsif address_errors?
    render "location_details/show"
  else
    render :edit
  end
end

def parent_guardian_errors?
  profile.errors["parent_guardian_email"].any?
end

def password_errors?
  profile.errors["account.password"].any? ||
    profile.errors["account.existing_password"].any?
end

def email_errors?
  profile.errors["account.email"].any?
end

def address_errors?
  profile.errors["account.city"].any? ||
    profile.errors["account.state_province"].any? ||
      profile.errors["account.country"].any?
end

def handle_password_errors
  if profile.account.email_changed?
    render 'email_addresses/edit'
  else
    render "passwords/edit"
  end
end