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# frozen_string_literal: true
module AccountInteractions
extend ActiveSupport::Concern
class_methods do
def following_map(target_account_ids, account_id)
Follow.where(target_account_id: target_account_ids, account_id: account_id).each_with_object({}) do |follow, mapping|
mapping[follow.target_account_id] = {
reblogs: follow.show_reblogs?,
notify: follow.notify?,
}
end
end
def followed_by_map(target_account_ids, account_id)
follow_mapping(Follow.where(account_id: target_account_ids, target_account_id: account_id), :account_id)
end
def blocking_map(target_account_ids, account_id)
follow_mapping(Block.where(target_account_id: target_account_ids, account_id: account_id), :target_account_id)
end
def blocked_by_map(target_account_ids, account_id)
follow_mapping(Block.where(account_id: target_account_ids, target_account_id: account_id), :account_id)
end
def muting_map(target_account_ids, account_id)
Mute.where(target_account_id: target_account_ids, account_id: account_id).each_with_object({}) do |mute, mapping|
mapping[mute.target_account_id] = {
notifications: mute.hide_notifications?,
}
end
end
def requested_map(target_account_ids, account_id)
FollowRequest.where(target_account_id: target_account_ids, account_id: account_id).each_with_object({}) do |follow_request, mapping|
mapping[follow_request.target_account_id] = {
reblogs: follow_request.show_reblogs?,
notify: follow_request.notify?,
}
end
end
def endorsed_map(target_account_ids, account_id)
follow_mapping(AccountPin.where(account_id: account_id, target_account_id: target_account_ids), :target_account_id)
end
def account_note_map(target_account_ids, account_id)
AccountNote.where(target_account_id: target_account_ids, account_id: account_id).each_with_object({}) do |note, mapping|
mapping[note.target_account_id] = {
comment: note.comment,
}
end
end
def domain_blocking_map(target_account_ids, account_id)
accounts_map = Account.where(id: target_account_ids).select('id, domain').each_with_object({}) { |a, h| h[a.id] = a.domain }
blocked_domains = domain_blocking_map_by_domain(accounts_map.values.compact, account_id)
accounts_map.reduce({}) { |h, (id, domain)| h.merge(id => blocked_domains[domain]) }
end
def domain_blocking_map_by_domain(target_domains, account_id)
follow_mapping(AccountDomainBlock.where(account_id: account_id, domain: target_domains), :domain)
end
private
def follow_mapping(query, field)
query.pluck(field).index_with(true)
end
end
included do
# Follow relations
has_many :follow_requests, dependent: :destroy
has_many :active_relationships, class_name: 'Follow', foreign_key: 'account_id', dependent: :destroy
has_many :passive_relationships, class_name: 'Follow', foreign_key: 'target_account_id', dependent: :destroy
has_many :following, -> { order('follows.id desc') }, through: :active_relationships, source: :target_account
has_many :followers, -> { order('follows.id desc') }, through: :passive_relationships, source: :account
# Block relationships
has_many :block_relationships, class_name: 'Block', foreign_key: 'account_id', dependent: :destroy
has_many :blocking, -> { order('blocks.id desc') }, through: :block_relationships, source: :target_account
has_many :blocked_by_relationships, class_name: 'Block', foreign_key: :target_account_id, dependent: :destroy
has_many :blocked_by, -> { order('blocks.id desc') }, through: :blocked_by_relationships, source: :account
# Mute relationships
has_many :mute_relationships, class_name: 'Mute', foreign_key: 'account_id', dependent: :destroy
has_many :muting, -> { order('mutes.id desc') }, through: :mute_relationships, source: :target_account
has_many :muted_by_relationships, class_name: 'Mute', foreign_key: :target_account_id, dependent: :destroy
has_many :muted_by, -> { order('mutes.id desc') }, through: :muted_by_relationships, source: :account
has_many :conversation_mutes, dependent: :destroy
has_many :domain_blocks, class_name: 'AccountDomainBlock', dependent: :destroy
has_many :announcement_mutes, dependent: :destroy
end
def follow!(other_account, reblogs: nil, notify: nil, uri: nil, rate_limit: false, bypass_limit: false)
rel = active_relationships.create_with(show_reblogs: reblogs.nil? ? true : reblogs, notify: notify.nil? ? false : notify, uri: uri, rate_limit: rate_limit, bypass_follow_limit: bypass_limit)
.find_or_create_by!(target_account: other_account)
rel.show_reblogs = reblogs unless reblogs.nil?
rel.notify = notify unless notify.nil?
rel.save! if rel.changed?
remove_potential_friendship(other_account)
rel
end
def request_follow!(other_account, reblogs: nil, notify: nil, uri: nil, rate_limit: false, bypass_limit: false)
rel = follow_requests.create_with(show_reblogs: reblogs.nil? ? true : reblogs, notify: notify.nil? ? false : notify, uri: uri, rate_limit: rate_limit, bypass_follow_limit: bypass_limit)
.find_or_create_by!(target_account: other_account)
rel.show_reblogs = reblogs unless reblogs.nil?
rel.notify = notify unless notify.nil?
rel.save! if rel.changed?
remove_potential_friendship(other_account)
rel
end
def block!(other_account, uri: nil)
remove_potential_friendship(other_account)
block_relationships.create_with(uri: uri)
.find_or_create_by!(target_account: other_account)
end
def mute!(other_account, notifications: nil, duration: 0)
notifications = true if notifications.nil?
mute = mute_relationships.create_with(hide_notifications: notifications).find_or_initialize_by(target_account: other_account)
mute.expires_in = duration.zero? ? nil : duration
mute.save!
remove_potential_friendship(other_account)
# When toggling a mute between hiding and allowing notifications, the mute will already exist, so the find_or_create_by! call will return the existing Mute without updating the hide_notifications attribute. Therefore, we check that hide_notifications? is what we want and set it if it isn't.
if mute.hide_notifications? != notifications
mute.update!(hide_notifications: notifications)
end
mute
end
def mute_conversation!(conversation)
conversation_mutes.find_or_create_by!(conversation: conversation)
end
def block_domain!(other_domain)
domain_blocks.find_or_create_by!(domain: other_domain)
end
def unfollow!(other_account)
follow = active_relationships.find_by(target_account: other_account)
follow&.destroy
end
def unblock!(other_account)
block = block_relationships.find_by(target_account: other_account)
block&.destroy
end
def unmute!(other_account)
mute = mute_relationships.find_by(target_account: other_account)
mute&.destroy
end
def unmute_conversation!(conversation)
mute = conversation_mutes.find_by(conversation: conversation)
mute&.destroy!
end
def unblock_domain!(other_domain)
block = domain_blocks.find_by(domain: other_domain)
block&.destroy
end
def following?(other_account)
active_relationships.where(target_account: other_account).exists?
end
def blocking?(other_account)
block_relationships.where(target_account: other_account).exists?
end
def domain_blocking?(other_domain)
domain_blocks.where(domain: other_domain).exists?
end
def muting?(other_account)
mute_relationships.where(target_account: other_account).exists?
end
def muting_conversation?(conversation)
conversation_mutes.where(conversation: conversation).exists?
end
def muting_notifications?(other_account)
mute_relationships.where(target_account: other_account, hide_notifications: true).exists?
end
def muting_reblogs?(other_account)
active_relationships.where(target_account: other_account, show_reblogs: false).exists?
end
def requested?(other_account)
follow_requests.where(target_account: other_account).exists?
end
def favourited?(status)
status.proper.favourites.where(account: self).exists?
end
def bookmarked?(status)
status.proper.bookmarks.where(account: self).exists?
end
def reblogged?(status)
status.proper.reblogs.where(account: self).exists?
end
def pinned?(status)
status_pins.where(status: status).exists?
end
def endorsed?(account)
account_pins.where(target_account: account).exists?
end
def followers_for_local_distribution
followers.local
.joins(:user)
.where('users.current_sign_in_at > ?', User::ACTIVE_DURATION.ago)
end
def lists_for_local_distribution
lists.joins(account: :user)
.where('users.current_sign_in_at > ?', User::ACTIVE_DURATION.ago)
end
def remote_followers_hash(url_prefix)
Rails.cache.fetch("followers_hash:#{id}:#{url_prefix}") do
digest = "\x00" * 32
followers.where(Account.arel_table[:uri].matches(url_prefix + '%', false, true)).pluck_each(:uri) do |uri|
Xorcist.xor!(digest, Digest::SHA256.digest(uri))
end
digest.unpack('H*')[0]
end
end
def local_followers_hash
Rails.cache.fetch("followers_hash:#{id}:local") do
digest = "\x00" * 32
followers.where(domain: nil).pluck_each(:username) do |username|
Xorcist.xor!(digest, Digest::SHA256.digest(ActivityPub::TagManager.instance.uri_for_username(username)))
end
digest.unpack('H*')[0]
end
end
private
def remove_potential_friendship(other_account, mutual = false)
PotentialFriendshipTracker.remove(id, other_account.id)
PotentialFriendshipTracker.remove(other_account.id, id) if mutual
end
end