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