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mastodon/app/services/follow_service.rb

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# frozen_string_literal: true
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class FollowService < BaseService
include Redisable
include Payloadable
include DomainControlHelper
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# Follow a remote user, notify remote user about the follow
# @param [Account] source_account From which to follow
# @param [Account] target_account Account to follow
# @param [Hash] options
# @option [Boolean] :reblogs Whether or not to show reblogs, defaults to true
# @option [Boolean] :notify Whether to create notifications about new posts, defaults to false
# @option [Boolean] :bypass_locked
# @option [Boolean] :bypass_limit Allow following past the total follow number
# @option [Boolean] :with_rate_limit
def call(source_account, target_account, options = {})
@source_account = source_account
@target_account = target_account
@options = { bypass_locked: false, bypass_limit: false, with_rate_limit: false }.merge(options)
raise ActiveRecord::RecordNotFound if following_not_possible?
raise Mastodon::NotPermittedError if following_not_allowed?
if @source_account.following?(@target_account)
return change_follow_options!
elsif @source_account.requested?(@target_account)
return change_follow_request_options!
Allow hiding of reblogs from followed users (#5762) * Allow hiding of reblogs from followed users This adds a new entry to the account menu to allow users to hide future reblogs from a user (and then if they've done that, to show future reblogs instead). This does not remove or add historical reblogs from/to the user's timeline; it only affects new statuses. The API for this operates by sending a "reblogs" key to the follow endpoint. If this is sent when starting a new follow, it will be respected from the beginning of the follow relationship (even if the follow request must be approved by the followee). If this is sent when a follow relationship already exists, it will simply update the existing follow relationship. As with the notification muting, this will now return an object ({reblogs: [true|false]}) or false for each follow relationship when requesting relationship information for an account. This should cause few issues due to an object being truthy in many languages, but some modifications may need to be made in pickier languages. Database changes: adds a show_reblogs column (default true, non-nullable) to the follows and follow_requests tables. Because these are non-nullable, we use the existing MigrationHelpers to perform this change without locking those tables, although the tables are likely to be small anyway. Tests included. See also <https://github.com/glitch-soc/mastodon/pull/212>. * Rubocop fixes * Code review changes * Test fixes This patchset closes #648 and resolves #3271. * Rubocop fix * Revert reblogs defaulting in argument, fix tests It turns out we needed this for the same reason we needed it in muting: if nil gets passed in somehow (most usually by an API client not passing any value), we need to detect and handle it. We could specify a default in the parameter and then also catch nil, but there's no great reason to duplicate the default value.
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end
ActivityTracker.increment('activity:interactions')
# When an account follows someone for the first time, avoid showing
# an empty home feed while the follow request is being processed
# and the feeds are being merged
mark_home_feed_as_partial! if @source_account.not_following_anyone?
if (@target_account.locked? && !@options[:bypass_locked]) || @source_account.silenced? || @target_account.activitypub?
request_follow!
elsif @target_account.local?
direct_follow!
end
end
private
def mark_home_feed_as_partial!
redis.set("account:#{@source_account.id}:regeneration", true, nx: true, ex: 1.day.seconds)
end
def following_not_possible?
@target_account.nil? || @target_account.id == @source_account.id || @target_account.suspended?
end
def following_not_allowed?
domain_not_allowed?(@target_account.domain) || @target_account.blocking?(@source_account) || @source_account.blocking?(@target_account) || @target_account.moved? || (!@target_account.local? && @target_account.ostatus?) || @source_account.domain_blocking?(@target_account.domain)
end
def change_follow_options!
@source_account.follow!(@target_account, reblogs: @options[:reblogs], notify: @options[:notify])
end
def change_follow_request_options!
@source_account.request_follow!(@target_account, reblogs: @options[:reblogs], notify: @options[:notify])
end
def request_follow!
follow_request = @source_account.request_follow!(@target_account, reblogs: @options[:reblogs], notify: @options[:notify], rate_limit: @options[:with_rate_limit], bypass_limit: @options[:bypass_limit])
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if @target_account.local?
LocalNotificationWorker.perform_async(@target_account.id, follow_request.id, follow_request.class.name, 'follow_request')
elsif @target_account.activitypub?
ActivityPub::DeliveryWorker.perform_async(build_json(follow_request), @source_account.id, @target_account.inbox_url)
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end
follow_request
end
def direct_follow!
follow = @source_account.follow!(@target_account, reblogs: @options[:reblogs], notify: @options[:notify], rate_limit: @options[:with_rate_limit], bypass_limit: @options[:bypass_limit])
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LocalNotificationWorker.perform_async(@target_account.id, follow.id, follow.class.name, 'follow')
MergeWorker.perform_async(@target_account.id, @source_account.id)
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follow
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end
def build_json(follow_request)
Oj.dump(serialize_payload(follow_request, ActivityPub::FollowSerializer))
end
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end