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# Copyright (c) 2010-2011, Diaspora Inc. This file is
# licensed under the Affero General Public License version 3 or later. See
# the COPYRIGHT file.
#
class Notification < ActiveRecord::Base
belongs_to :recipient, class_name: "User"
has_many :notification_actors, dependent: :destroy
has_many :actors, class_name: "Person", through: :notification_actors, source: :person
belongs_to :target, polymorphic: true
def self.for(recipient, opts={})
where(opts.merge!(recipient_id: recipient.id)).order("updated_at DESC")
end
def email_the_user(target, actor)
recipient.mail(mail_job, recipient_id, actor.id, target.id)
end
def set_read_state( read_state )
update_column(:unread, !read_state)
end
def mail_job
raise NotImplementedError.new("Subclass this.")
end
def linked_object
target
end
def self.concatenate_or_create(recipient, target, actor)
return nil if suppress_notification?(recipient, actor)
find_or_initialize_by(recipient: recipient, target: target, unread: true).tap do |notification|
notification.actors |= [actor]
# Explicitly touch the notification to update updated_at whenever new actor is inserted in notification.
if notification.new_record? || notification.changed?
notification.save!
else
notification.touch
end
end
end
def self.create_notification(recipient, target, actor)
return nil if suppress_notification?(recipient, actor)
create(recipient: recipient, target: target, actors: [actor])
end
private_class_method def self.suppress_notification?(recipient, actor)
recipient.blocks.where(person: actor).exists?
end
def self.types
{
"also_commented" => "Notifications::AlsoCommented",
"comment_on_post" => "Notifications::CommentOnPost",
"liked" => "Notifications::Liked",
"mentioned" => "Notifications::Mentioned",
"reshared" => "Notifications::Reshared",
"started_sharing" => "Notifications::StartedSharing"
}
end
end
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