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# frozen_string_literal: true
module Users
module ParticipableService
extend ActiveSupport::Concern
included do
attr_reader :noteable
end
private
def noteable_owner
return [] unless noteable && noteable.author.present?
[noteable.author].tap do |users|
preload_status(users)
end
end
def participants_in_noteable
return [] unless noteable
users = noteable.participants(current_user)
sorted(users)
end
def sorted(users)
users.uniq.to_a.compact.sort_by(&:username).tap do |users|
preload_status(users)
end
end
def groups
return [] unless current_user
current_user.authorized_groups.with_route.sort_by(&:full_path)
end
def render_participants_as_hash(participants)
participants.map { |participant| participant_as_hash(participant) }
end
def participant_as_hash(participant)
case participant
when Group
group_as_hash(participant)
when User
user_as_hash(participant)
else
participant
end
end
def user_as_hash(user)
{
type: user.class.name,
username: user.username,
name: user.name,
avatar_url: user.avatar_url,
availability: lazy_user_availability(user).itself # calling #itself to avoid returning a BatchLoader instance
}
end
def group_as_hash(group)
{
type: group.class.name,
username: group.full_path,
name: group.full_name,
avatar_url: group.avatar_url,
count: group_counts.fetch(group.id, 0),
mentionsDisabled: group.mentions_disabled
}
end
def group_counts
@group_counts ||= GroupMember
.of_groups(current_user.authorized_groups)
.non_request
.count_users_by_group_id
end
def preload_status(users)
users.each { |u| lazy_user_availability(u) }
end
def lazy_user_availability(user)
BatchLoader.for(user.id).batch do |user_ids, loader|
user_ids.each_slice(1_000) do |sliced_user_ids|
UserStatus
.select(:user_id, :availability)
.primary_key_in(sliced_user_ids)
.each { |status| loader.call(status.user_id, status.availability) }
end
end
end
end
end
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