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Contents
# frozen_string_literal: true
module Decidim
# This class handles system events affecting resources and generates a
# notification for each recipient by scheduling a new
# `Decidim::NotificationMailer` job for each of them. This way we can
# easily control which jobs fail and retry them, so that we don't have
# duplicated notifications.
class EmailNotificationGenerator
# Initializes the class.
#
# event - A String with the name of the event.
# event_class - A class that wraps the event.
# resource - an instance of a class implementing the `Decidim::Resource` concern.
# extra - a Hash with extra information to be included in the notification.
def initialize(event, event_class, resource, recipient_ids, extra)
@event = event
@event_class = event_class
@resource = resource
@recipient_ids = recipient_ids
@extra = extra
end
# Schedules a job for each recipient to send the email. Returns `nil`
# if the resource is not resource or if it is not present.
#
# Returns nothing.
def generate
return unless resource
return unless event_class.types.include?(:email)
recipient_ids.each do |recipient_id|
send_email_to(recipient_id)
end
end
private
attr_reader :event, :event_class, :resource, :recipient_ids, :extra
# Private: sends the notification email to the user if they have the
# `email_on_notification` flag active.
#
# recipient_id - The ID of the user that will receive the email.
#
# Returns nothing.
def send_email_to(recipient_id)
recipient = Decidim::User.find_by(id: recipient_id)
return unless recipient
return unless recipient.email_on_notification?
NotificationMailer
.event_received(
event,
event_class.name,
resource,
recipient,
extra
)
.deliver_later
end
end
end
Version data entries
17 entries across 17 versions & 1 rubygems