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