farhatahmad / 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 Populator

  extend ActiveSupport::Concern

  # Returns a list of users that are in the same context of the current user

  def manage_users_list

    initial_list = case @tab

      when "active"

        User.without_role([:pending, :denied])

      when "deleted"

        User.deleted

      when "pending"

        User.with_role(:pending)

      when "denied"

        User.with_role(:denied)

      else

        User.all

    end

    initial_list = initial_list.with_role(@role.name) if @role.present?

    initial_list = initial_list.without_role(:super_admin)

    initial_list = initial_list.where(provider: @user_domain) if Rails.configuration.loadbalanced_configuration

    initial_list.where.not(id: current_user.id)

                .admins_search(@search)

                .admins_order(@order_column, @order_direction)

  end

  # Returns a list of rooms that are in the same context of the current user

  def server_rooms_list

    if Rails.configuration.loadbalanced_configuration

      Room.includes(:owner).where(users: { provider: @user_domain })

          .admins_search(@search)

          .admins_order(@order_column, @order_direction, @running_room_bbb_ids)

    else

      Room.includes(:owner).admins_search(@search).admins_order(@order_column, @order_direction, @running_room_bbb_ids)

    end

  end

  # Returns the correct recordings based on the users inputs

  # Returns a list off all current invitations

  def invited_users_list

    list = if Rails.configuration.loadbalanced_configuration

      Invitation.where(provider: @user_domain)

    else

      Invitation.all

    end

    list.admins_search(@search).order(updated_at: :desc)

  end

  private

  # Returns exactly 1 page of the latest recordings

  def latest_recordings

    return_length = Rails.configuration.pagination_number

    recordings = []

    counter = 0

    # Manually paginate through the rooms

    while recordings.length < return_length

      rooms = if Rails.configuration.loadbalanced_configuration

        Room.includes(:owner)

            .where(users: { provider: @user_domain })

            .order(last_session: :desc)

            .limit(return_length)

            .offset(counter * return_length)

            .pluck(:bbb_id)

      else

        Room.order(last_session: :desc)

            .limit(return_length)

            .offset(counter * return_length)

            .pluck(:bbb_id)

      end

      break if rooms.blank?

      counter += 1

      recordings.push(*all_recordings(rooms))

    end

    recordings[0..return_length]

  end

end