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YuruToot/app/models/notification.rb
Claire 43eff898a0
Prepare Mastodon for Rails 6 (#15911)
* Fix misuse of foreign_type

* Fix use of removed "add_template_helper"

* Use response.media_type instead of response.content_type in tests

* Fix CSV export controller test on Rails 6

Rails 6 sets a "filename*" field in the Content-Disposition header to
explicitly encode the filename as UTF-8.

This changes checks the first part of the Content-Disposition header so
it matches in both Rails 5 and Rails 6.

* Fix emoji formatting with Rails 6

* Make emoji output more idiomatic and robust

* Switch from redis-rails gem to built-in Rails redis cache storage
2021-03-17 10:09:55 +01:00

146 lines
4.1 KiB
Ruby

# frozen_string_literal: true
# == Schema Information
#
# Table name: notifications
#
# id :bigint(8) not null, primary key
# activity_id :bigint(8) not null
# activity_type :string not null
# created_at :datetime not null
# updated_at :datetime not null
# account_id :bigint(8) not null
# from_account_id :bigint(8) not null
# type :string
#
class Notification < ApplicationRecord
self.inheritance_column = nil
include Paginable
LEGACY_TYPE_CLASS_MAP = {
'Mention' => :mention,
'Status' => :reblog,
'Follow' => :follow,
'FollowRequest' => :follow_request,
'Favourite' => :favourite,
'Poll' => :poll,
}.freeze
TYPES = %i(
mention
status
reblog
follow
follow_request
favourite
poll
).freeze
TARGET_STATUS_INCLUDES_BY_TYPE = {
status: :status,
reblog: [status: :reblog],
mention: [mention: :status],
favourite: [favourite: :status],
poll: [poll: :status],
}.freeze
belongs_to :account, optional: true
belongs_to :from_account, class_name: 'Account', optional: true
belongs_to :activity, polymorphic: true, optional: true
belongs_to :mention, foreign_key: 'activity_id', optional: true
belongs_to :status, foreign_key: 'activity_id', optional: true
belongs_to :follow, foreign_key: 'activity_id', optional: true
belongs_to :follow_request, foreign_key: 'activity_id', optional: true
belongs_to :favourite, foreign_key: 'activity_id', optional: true
belongs_to :poll, foreign_key: 'activity_id', optional: true
validates :type, inclusion: { in: TYPES }
scope :without_suspended, -> { joins(:from_account).merge(Account.without_suspended) }
scope :browserable, ->(exclude_types = [], account_id = nil) {
types = TYPES - exclude_types.map(&:to_sym)
if account_id.nil?
where(type: types)
else
where(type: types, from_account_id: account_id)
end
}
def type
@type ||= (super || LEGACY_TYPE_CLASS_MAP[activity_type]).to_sym
end
def target_status
case type
when :status
status
when :reblog
status&.reblog
when :favourite
favourite&.status
when :mention
mention&.status
when :poll
poll&.status
end
end
class << self
def preload_cache_collection_target_statuses(notifications, &_block)
notifications.group_by(&:type).each do |type, grouped_notifications|
associations = TARGET_STATUS_INCLUDES_BY_TYPE[type]
next unless associations
# Instead of using the usual `includes`, manually preload each type.
# If polymorphic associations are loaded with the usual `includes`, other types of associations will be loaded more.
ActiveRecord::Associations::Preloader.new.preload(grouped_notifications, associations)
end
unique_target_statuses = notifications.map(&:target_status).compact.uniq
# Call cache_collection in block
cached_statuses_by_id = yield(unique_target_statuses).index_by(&:id)
notifications.each do |notification|
next if notification.target_status.nil?
cached_status = cached_statuses_by_id[notification.target_status.id]
case notification.type
when :status
notification.status = cached_status
when :reblog
notification.status.reblog = cached_status
when :favourite
notification.favourite.status = cached_status
when :mention
notification.mention.status = cached_status
when :poll
notification.poll.status = cached_status
end
end
notifications
end
end
after_initialize :set_from_account
before_validation :set_from_account
private
def set_from_account
return unless new_record?
case activity_type
when 'Status', 'Follow', 'Favourite', 'FollowRequest', 'Poll'
self.from_account_id = activity&.account_id
when 'Mention'
self.from_account_id = activity&.status&.account_id
end
end
end