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https://github.com/mastodon/mastodon
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107 lines
3.4 KiB
Ruby
107 lines
3.4 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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#
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class Notification < ApplicationRecord
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include Paginable
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include Cacheable
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TYPE_CLASS_MAP = {
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mention: 'Mention',
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reblog: 'Status',
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follow: 'Follow',
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follow_request: 'FollowRequest',
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favourite: 'Favourite',
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}.freeze
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STATUS_INCLUDES = [:account, :application, :media_attachments, :tags, active_mentions: :account, reblog: [:account, :application, :media_attachments, :tags, active_mentions: :account]].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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validates :account_id, uniqueness: { scope: [:activity_type, :activity_id] }
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validates :activity_type, inclusion: { in: TYPE_CLASS_MAP.values }
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scope :browserable, ->(exclude_types = []) {
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types = TYPE_CLASS_MAP.values - activity_types_from_types(exclude_types + [:follow_request])
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where(activity_type: types)
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}
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cache_associated :from_account, status: STATUS_INCLUDES, mention: [status: STATUS_INCLUDES], favourite: [:account, status: STATUS_INCLUDES], follow: :account
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def type
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@type ||= TYPE_CLASS_MAP.invert[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 :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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end
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end
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def browserable?
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type != :follow_request
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end
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class << self
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def cache_ids
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select(:id, :updated_at, :activity_type, :activity_id)
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end
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def reload_stale_associations!(cached_items)
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account_ids = (cached_items.map(&:from_account_id) + cached_items.map { |item| item.target_status&.account_id }.compact).uniq
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return if account_ids.empty?
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accounts = Account.where(id: account_ids).includes(:account_stat).each_with_object({}) { |a, h| h[a.id] = a }
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cached_items.each do |item|
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item.from_account = accounts[item.from_account_id]
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item.target_status.account = accounts[item.target_status.account_id] if item.target_status
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end
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end
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def activity_types_from_types(types)
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types.map { |type| TYPE_CLASS_MAP[type.to_sym] }.compact
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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'
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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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