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