scinote-web/app/models/system_notification.rb

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# frozen_string_literal: true
class SystemNotification < ApplicationRecord
include PgSearch
scope :modals, -> { select(:modal_title, :modal_body, :id) }
# Full text postgreSQL search configuration
pg_search_scope :search_notifications, against: %i(title description),
using: {
tsearch: {
dictionary: 'english'
}
}
# ignoring: :accents
has_many :user_system_notifications
has_many :users, through: :user_system_notifications
validates :title, :modal_title, :modal_body, :description, :source_created_at, :source_id, :last_time_changed_at,
presence: true
validates :title, :description, :modal_title, length: { maximum: Constants::NAME_MAX_LENGTH }
validates :modal_body, length: { maximum: Constants::RICH_TEXT_MAX_LENGTH }
def self.last_notifications(
user,
query = nil
)
notifications = order(created_at: :DESC)
notifications = notifications.search_notifications(query) if query.present?
notifications.joins(:user_system_notifications)
.where('user_system_notifications.user_id = ?', user.id)
.select(
'system_notifications.id',
:title,
:description,
:last_time_changed_at,
:created_at,
'user_system_notifications.seen_at',
'user_system_notifications.read_at'
)
end
def self.last_sync_timestamp
# If no notifications are present, the created_at of the
# first user is used as the "initial sync time-point"
SystemNotification
.order(last_time_changed_at: :desc)
.first&.last_time_changed_at&.to_i ||
User.order(created_at: :asc).first&.created_at&.to_i
end
end