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glitchier-soc/app/models/account_conversation.rb

139 lines
4.1 KiB

# frozen_string_literal: true
# == Schema Information
#
# Table name: account_conversations
#
# id :bigint(8) not null, primary key
# account_id :bigint(8)
# conversation_id :bigint(8)
# participant_account_ids :bigint(8) default([]), not null, is an Array
# status_ids :bigint(8) default([]), not null, is an Array
# last_status_id :bigint(8)
# lock_version :integer default(0), not null
# unread :boolean default(FALSE), not null
#
class AccountConversation < ApplicationRecord
include Redisable
attr_writer :participant_accounts
before_validation :set_last_status
after_commit :push_to_streaming_api
belongs_to :account
belongs_to :conversation
belongs_to :last_status, class_name: 'Status'
def participant_account_ids=(arr)
self[:participant_account_ids] = arr.sort
@participant_accounts = nil
end
def participant_accounts
@participant_accounts ||= begin
if participant_account_ids.empty?
[account]
else
participants = Account.where(id: participant_account_ids).to_a
participants.empty? ? [account] : participants
end
end
end
class << self
def to_a_paginated_by_id(limit, options = {})
array = begin
if options[:min_id]
paginate_by_min_id(limit, options[:min_id], options[:max_id]).reverse
else
paginate_by_max_id(limit, options[:max_id], options[:since_id]).to_a
end
end
# Preload participants
participant_ids = array.flat_map(&:participant_account_ids)
accounts_by_id = Account.where(id: participant_ids).index_by(&:id)
array.each do |conversation|
conversation.participant_accounts = conversation.participant_account_ids.filter_map { |id| accounts_by_id[id] }
end
array
end
def paginate_by_min_id(limit, min_id = nil, max_id = nil)
query = order(arel_table[:last_status_id].asc).limit(limit)
query = query.where(arel_table[:last_status_id].gt(min_id)) if min_id.present?
query = query.where(arel_table[:last_status_id].lt(max_id)) if max_id.present?
query
end
def paginate_by_max_id(limit, max_id = nil, since_id = nil)
query = order(arel_table[:last_status_id].desc).limit(limit)
query = query.where(arel_table[:last_status_id].lt(max_id)) if max_id.present?
query = query.where(arel_table[:last_status_id].gt(since_id)) if since_id.present?
query
end
def add_status(recipient, status)
conversation = find_or_initialize_by(account: recipient, conversation_id: status.conversation_id, participant_account_ids: participants_from_status(recipient, status))
return conversation if conversation.status_ids.include?(status.id)
conversation.status_ids << status.id
conversation.unread = status.account_id != recipient.id
conversation.save
conversation
rescue ActiveRecord::StaleObjectError
retry
end
def remove_status(recipient, status)
conversation = find_by(account: recipient, conversation_id: status.conversation_id, participant_account_ids: participants_from_status(recipient, status))
return if conversation.nil?
conversation.status_ids.delete(status.id)
if conversation.status_ids.empty?
conversation.destroy
else
conversation.save
end
conversation
rescue ActiveRecord::StaleObjectError
retry
end
private
def participants_from_status(recipient, status)
((status.active_mentions.pluck(:account_id) + [status.account_id]).uniq - [recipient.id]).sort
end
end
private
def set_last_status
self.status_ids = status_ids.sort
self.last_status_id = status_ids.last
end
def push_to_streaming_api
return if destroyed? || !subscribed_to_timeline?
PushConversationWorker.perform_async(id)
end
def subscribed_to_timeline?
redis.exists?("subscribed:#{streaming_channel}")
end
def streaming_channel
"timeline:direct:#{account_id}"
end
end