94 lines
2.8 KiB
Ruby
94 lines
2.8 KiB
Ruby
# Copyright (c) 2010-2011, Diaspora Inc. This file is
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# licensed under the Affero General Public License version 3 or later. See
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# the COPYRIGHT file.
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#
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class Notification < ActiveRecord::Base
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belongs_to :recipient, :class_name => 'User'
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has_many :notification_actors, :dependent => :destroy
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has_many :actors, :class_name => 'Person', :through => :notification_actors, :source => :person
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belongs_to :target, :polymorphic => true
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attr_accessor :note_html
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def self.for(recipient, opts={})
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self.where(opts.merge!(:recipient_id => recipient.id)).order('updated_at desc')
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end
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def self.notify(recipient, target, actor)
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if target.respond_to? :notification_type
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if note_type = target.notification_type(recipient, actor)
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if(target.is_a? Comment) || (target.is_a? Like)
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n = note_type.concatenate_or_create(recipient, target.parent, actor, note_type)
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elsif(target.is_a? Reshare)
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n = note_type.concatenate_or_create(recipient, target.root, actor, note_type)
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else
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n = note_type.make_notification(recipient, target, actor, note_type)
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end
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if n
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n.email_the_user(target, actor)
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n
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else
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nil
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end
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end
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end
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end
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def as_json(opts={})
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super(opts.merge(:methods => :note_html))
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end
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def email_the_user(target, actor)
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self.recipient.mail(self.mail_job, self.recipient_id, actor.id, target.id)
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end
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def set_read_state( read_state )
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self.update_attributes( :unread => !read_state )
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end
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def mail_job
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raise NotImplementedError.new('Subclass this.')
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end
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def effective_target
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self.popup_translation_key == "notifications.mentioned" ? self.target.post : self.target
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end
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private
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def self.concatenate_or_create(recipient, target, actor, notification_type)
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return nil if suppress_notification?(recipient, target)
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if n = notification_type.where(:target_id => target.id,
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:target_type => target.class.base_class,
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:recipient_id => recipient.id,
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:unread => true).first
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begin
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n.actors = n.actors | [actor]
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n.unread = true
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n.save!
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rescue ActiveRecord::RecordNotUnique
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nil
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end
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n
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else
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make_notification(recipient, target, actor, notification_type)
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end
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end
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def self.make_notification(recipient, target, actor, notification_type)
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return nil if suppress_notification?(recipient, target)
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n = notification_type.new(:target => target,
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:recipient_id => recipient.id)
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n.actors = n.actors | [actor]
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n.unread = false if target.is_a? Request
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n.save!
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n
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end
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def self.suppress_notification?(recipient, post)
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post.is_a?(Post) && recipient.is_shareable_hidden?(post)
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end
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end
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