111 lines
		
	
	
		
			3.7 KiB
		
	
	
	
		
			Ruby
		
	
	
	
	
	
			
		
		
	
	
			111 lines
		
	
	
		
			3.7 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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| 
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| class Notification < ApplicationRecord
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|   include Paginable
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|   include Cacheable
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| 
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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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|     poll:           'Poll',
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|   }.freeze
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| 
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|   STATUS_INCLUDES = [:account, :application, :preloadable_poll, :media_attachments, :tags, active_mentions: :account, reblog: [:account, :application, :preloadable_poll, :media_attachments, :tags, active_mentions: :account]].freeze
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| 
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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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| 
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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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| 
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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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| 
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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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| 
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|   cache_associated :from_account, status: STATUS_INCLUDES, mention: [status: STATUS_INCLUDES], favourite: [:account, status: STATUS_INCLUDES], follow: :account, poll: [status: STATUS_INCLUDES]
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| 
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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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| 
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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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|     when :poll
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|       poll&.status
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|     end
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|   end
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| 
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|   def browserable?
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|     type != :follow_request
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|   end
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| 
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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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| 
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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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| 
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|       return if account_ids.empty?
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| 
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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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| 
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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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| 
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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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| 
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|   after_initialize :set_from_account
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|   before_validation :set_from_account
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| 
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|   private
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| 
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|   def set_from_account
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|     return unless new_record?
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| 
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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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