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# frozen_string_literal: true
class Notification < ApplicationRecord
include Paginable
include Cacheable
belongs_to :account
belongs_to :from_account, class_name: 'Account'
belongs_to :activity, polymorphic: true
belongs_to :mention, foreign_type: 'Mention', foreign_key: 'activity_id'
belongs_to :status, foreign_type: 'Status', foreign_key: 'activity_id'
belongs_to :follow, foreign_type: 'Follow', foreign_key: 'activity_id'
belongs_to :favourite, foreign_type: 'Favourite', foreign_key: 'activity_id'
validates :account_id, uniqueness: { scope: [:activity_type, :activity_id] }
STATUS_INCLUDES = [:account, :stream_entry, :media_attachments, :tags, mentions: :account, reblog: [:stream_entry, :account, :media_attachments, :tags, mentions: :account]].freeze
scope :cache_ids, -> { select(:id, :updated_at, :activity_type, :activity_id) }
cache_associated :from_account, status: STATUS_INCLUDES, mention: [status: STATUS_INCLUDES], favourite: [:account, status: STATUS_INCLUDES], follow: :account
def activity(eager_loaded = true)
eager_loaded ? send(activity_type.downcase) : super
end
def type
case activity_type
when 'Status'
:reblog
else
activity_type.downcase.to_sym
end
end
def target_status
case type
when :reblog
activity.reblog
when :favourite, :mention
activity.status
end
end
class << self
def reload_stale_associations!(cached_items)
account_ids = cached_items.map(&:from_account_id).uniq
accounts = Account.where(id: account_ids).map { |a| [a.id, a] }.to_h
cached_items.each do |item|
item.from_account = accounts[item.from_account_id]
end
end
end
after_initialize :set_from_account
before_validation :set_from_account
private
def set_from_account
case activity_type
when 'Status', 'Follow', 'Favourite'
self.from_account_id = activity(false)&.account_id
when 'Mention'
self.from_account_id = activity(false)&.status&.account_id
end
end
end
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