79 lines
2.6 KiB
Ruby
79 lines
2.6 KiB
Ruby
# Copyright (C) 2012-2021 Zammad Foundation, http://zammad-foundation.org/
|
|
|
|
module CanCloneAttachments
|
|
extend ActiveSupport::Concern
|
|
|
|
=begin
|
|
|
|
clone existing attachments of article to the target object
|
|
|
|
article_parent = Ticket::Article.find(123)
|
|
article_new = Ticket::Article.find(456)
|
|
|
|
attached_attachments = article_parent.clone_attachments(article_new.class.name, article_new.id, only_attached_attachments: true)
|
|
|
|
inline_attachments = article_parent.clone_attachments(article_new.class.name, article_new.id, only_inline_attachments: true)
|
|
|
|
returns
|
|
|
|
[attachment1, attachment2, ...]
|
|
|
|
=end
|
|
|
|
def clone_attachments(object_type, object_id, options = {})
|
|
existing_attachments = Store.list(
|
|
object: object_type,
|
|
o_id: object_id,
|
|
)
|
|
|
|
is_html_content = false
|
|
if content_type.present? && content_type =~ %r{text/html}i
|
|
is_html_content = true
|
|
end
|
|
|
|
new_attachments = []
|
|
attachments.each do |new_attachment|
|
|
next if new_attachment.preferences['content-alternative'] == true
|
|
|
|
# only_attached_attachments mode is used by apply attached attachments to forwared article
|
|
if options[:only_attached_attachments] == true && is_html_content == true
|
|
|
|
content_id = new_attachment.preferences['Content-ID'] || new_attachment.preferences['content_id']
|
|
next if content_id.present? && body.present? && body.match?(%r{#{Regexp.quote(content_id)}}i)
|
|
end
|
|
|
|
# only_inline_attachments mode is used when quoting HTML mail with #{article.body_as_html}
|
|
if options[:only_inline_attachments] == true
|
|
next if is_html_content == false
|
|
next if body.blank?
|
|
|
|
content_disposition = new_attachment.preferences['Content-Disposition'] || new_attachment.preferences['content_disposition']
|
|
next if content_disposition.present? && content_disposition !~ %r{inline}
|
|
|
|
content_id = new_attachment.preferences['Content-ID'] || new_attachment.preferences['content_id']
|
|
next if content_id.blank?
|
|
next if !body.match?(%r{#{Regexp.quote(content_id)}}i)
|
|
end
|
|
|
|
already_added = false
|
|
existing_attachments.each do |existing_attachment|
|
|
next if existing_attachment.filename != new_attachment.filename || existing_attachment.size != new_attachment.size
|
|
|
|
already_added = true
|
|
break
|
|
end
|
|
next if already_added == true
|
|
|
|
file = Store.add(
|
|
object: object_type,
|
|
o_id: object_id,
|
|
data: new_attachment.content,
|
|
filename: new_attachment.filename,
|
|
preferences: new_attachment.preferences,
|
|
)
|
|
new_attachments.push file
|
|
end
|
|
|
|
new_attachments
|
|
end
|
|
end
|