discourse/plugins/chat/app/services/chat_message_destroyer.rb
Dan Ungureanu 25f2fb61b8
DEV: Add 'chat_message_trashed' Discourse event (#20170)
Triggers a DiscourseEvent when a message is deleted, similar to
`:chat_message_created` and `:chat_message_edited`. This is not used
in this plugin, but can be used by other plugins to act when a message
is trashed.
2023-02-06 21:52:43 +01:00

39 lines
1.1 KiB
Ruby

# frozen_string_literal: true
class ChatMessageDestroyer
def destroy_in_batches(chat_messages_query, batch_size: 200)
chat_messages_query
.in_batches(of: batch_size)
.each do |relation|
destroyed_ids = relation.destroy_all.pluck(:id)
reset_last_read(destroyed_ids)
delete_flags(destroyed_ids)
end
end
def trash_message(message, actor)
ChatMessage.transaction do
message.trash!(actor)
ChatMention.where(chat_message: message).destroy_all
DiscourseEvent.trigger(:chat_message_trashed, message, message.chat_channel, actor)
# FIXME: We should do something to prevent the blue/green bubble
# of other channel members from getting out of sync when a message
# gets deleted.
ChatPublisher.publish_delete!(message.chat_channel, message)
end
end
private
def reset_last_read(message_ids)
UserChatChannelMembership.where(last_read_message_id: message_ids).update_all(
last_read_message_id: nil,
)
end
def delete_flags(message_ids)
ReviewableChatMessage.where(target_id: message_ids).destroy_all
end
end