discourse/plugins/chat/app/services/trash_channel.rb

67 lines
1.8 KiB
Ruby

# frozen_string_literal: true
module Chat
module Service
# Service responsible for trashing a chat channel.
# Note the slug is modified to prevent collisions.
#
# @example
# Chat::Service::TrashChannel.call(channel_id: 2, guardian: guardian)
#
class TrashChannel
include Base
# @!method call(channel_id:, guardian:)
# @param [Integer] channel_id
# @param [Guardian] guardian
# @return [Chat::Service::Base::Context]
DELETE_CHANNEL_LOG_KEY = "chat_channel_delete"
model :channel, :fetch_channel
policy :invalid_access
transaction do
step :prevents_slug_collision
step :soft_delete_channel
step :log_channel_deletion
end
step :enqueue_delete_channel_relations_job
private
def fetch_channel(channel_id:, **)
ChatChannel.find_by(id: channel_id)
end
def invalid_access(guardian:, channel:, **)
guardian.can_preview_chat_channel?(channel) && guardian.can_delete_chat_channel?
end
def prevents_slug_collision(channel:, **)
channel.update!(
slug:
"#{Time.current.strftime("%Y%m%d-%H%M")}-#{channel.slug}-deleted".truncate(
SiteSetting.max_topic_title_length,
omission: "",
),
)
end
def soft_delete_channel(guardian:, channel:, **)
channel.trash!(guardian.user)
end
def log_channel_deletion(guardian:, channel:, **)
StaffActionLogger.new(guardian.user).log_custom(
DELETE_CHANNEL_LOG_KEY,
{ chat_channel_id: channel.id, chat_channel_name: channel.title(guardian.user) },
)
end
def enqueue_delete_channel_relations_job(channel:, **)
Jobs.enqueue(:chat_channel_delete, chat_channel_id: channel.id)
end
end
end
end