jfederico / greenlight

# BigBlueButton open source conferencing system - http://www.bigbluebutton.org/.

#

# Copyright (c) 2018 BigBlueButton Inc. and by respective authors (see below).

#

# This program is free software; you can redistribute it and/or modify it under the

# terms of the GNU Lesser General Public License as published by the Free Software

# Foundation; either version 3.0 of the License, or (at your option) any later

# version.

#

# BigBlueButton is distributed in the hope that it will be useful, but WITHOUT ANY

# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A

# PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.

#

# You should have received a copy of the GNU Lesser General Public License along

# with BigBlueButton; if not, see <http://www.gnu.org/licenses/>.

module Emailer

  extend ActiveSupport::Concern

  # Sends account activation email.

    begin

      return unless Rails.configuration.enable_email_verification

      UserMailer.verify_email(user, user_verification_link(user), @settings).deliver

    rescue => e

      logger.error "Support: Error in email delivery: #{e}"

      flash[:alert] = I18n.t(params[:message], default: I18n.t("delivery_error"))

    else

      flash[:success] = I18n.t("email_sent", email_type: t("verify.verification"))

    end

  end

  # Sends password reset email.

    begin

      return unless Rails.configuration.enable_email_verification

      UserMailer.password_reset(user, reset_link(user), @settings).deliver_now

    rescue => e

      logger.error "Support: Error in email delivery: #{e}"

      flash[:alert] = I18n.t(params[:message], default: I18n.t("delivery_error"))

    else

      flash[:success] = I18n.t("email_sent", email_type: t("reset_password.subtitle"))

    end

  end

    begin

      return unless Rails.configuration.enable_email_verification

      UserMailer.user_promoted(user, role, root_url, @settings).deliver_now

    rescue => e

      logger.error "Support: Error in email delivery: #{e}"

      flash[:alert] = I18n.t(params[:message], default: I18n.t("delivery_error"))

    end

  end

    begin

      return unless Rails.configuration.enable_email_verification

      UserMailer.user_demoted(user, role, root_url, @settings).deliver_now

    rescue => e

      logger.error "Support: Error in email delivery: #{e}"

      flash[:alert] = I18n.t(params[:message], default: I18n.t("delivery_error"))

    end

  end

  # Sends inivitation to join

  def send_invitation_email(name, email, token)

    begin

      return unless Rails.configuration.enable_email_verification

      UserMailer.invite_email(name, email, invitation_link(token), @settings).deliver_now

    rescue => e

      logger.error "Support: Error in email delivery: #{e}"

      flash[:alert] = I18n.t(params[:message], default: I18n.t("delivery_error"))

    else

      flash[:success] = I18n.t("administrator.flash.invite", email: email)

    end

  end

    begin

      return unless Rails.configuration.enable_email_verification

      UserMailer.approve_user(user, root_url, @settings).deliver_now

    rescue => e

      logger.error "Support: Error in email delivery: #{e}"

      flash[:alert] = I18n.t(params[:message], default: I18n.t("delivery_error"))

    else

      flash[:success] = I18n.t("email_sent", email_type: t("verify.verification"))

    end

  end

    begin

      return unless Rails.configuration.enable_email_verification

      admin_emails = admin_emails()

      UserMailer.approval_user_signup(user, admins_url, admin_emails, @settings).deliver_now unless admin_emails.empty?

    rescue => e

      logger.error "Support: Error in email delivery: #{e}"

      flash[:alert] = I18n.t(params[:message], default: I18n.t("delivery_error"))

    end

  end

    begin

      return unless Rails.configuration.enable_email_verification

      admin_emails = admin_emails()

      UserMailer.invite_user_signup(user, admins_url, admin_emails, @settings).deliver_now unless admin_emails.empty?

    rescue => e

      logger.error "Support: Error in email delivery: #{e}"

      flash[:alert] = I18n.t(params[:message], default: I18n.t("delivery_error"))

    end

  end

  private

  # Returns the link the user needs to click to verify their account

  def user_verification_link(user)

    edit_account_activation_url(token: user.activation_token, email: user.email)

  end

  def admin_emails

    admins = User.all_users_with_roles.where(roles: { role_permissions: { name: "can_manage_users", value: "true" } })

    if Rails.configuration.loadbalanced_configuration

      admins = admins.without_role(:super_admin)

                     .where(provider: @user_domain)

    end

    admins.collect(&:email).join(",")

  end

  def reset_link(user)

    edit_password_reset_url(user.reset_token, email: user.email)

  end