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FEATURE: automatically elide forwarded emails and signature from outlook

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This commit is contained in:
Régis Hanol 2018-02-27 15:00:50 +01:00
parent 4a54c09e46
commit 73ee62f55f
1 changed files with 23 additions and 4 deletions
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27
lib/email/receiver.rb
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@ -261,8 +261,13 @@ module Email
end
markdown, elided_markdown = if html.present?
if html[%{<div class="gmail_quote">}]
html, elided_html = extract_gmail_quote(html)
if html[/<div class="gmail_(quote|extra)"/]
html, elided_html = extract_from_gmail(html)
markdown = HtmlToMarkdown.new(html, keep_img_tags: true, keep_cid_imgs: true).to_markdown
elided_markdown = HtmlToMarkdown.new(elided_html).to_markdown
[markdown, elided_markdown]
elsif html[%{<div id="divRplyFwdMsg"}]
html, elided_html = extract_from_outlook(html)
markdown = HtmlToMarkdown.new(html, keep_img_tags: true, keep_cid_imgs: true).to_markdown
elided_markdown = HtmlToMarkdown.new(elided_html).to_markdown
[markdown, elided_markdown]
@ -280,9 +285,23 @@ module Email
end
end
def extract_gmail_quote(html)
def extract_from_gmail(html)
doc = Nokogiri::HTML.fragment(html)
elided = doc.css("div.gmail_quote")[0].remove
elided = doc.css(".gmail_quote, .gmail_extra").remove
[doc.to_html, elided.to_html]
end
def extract_from_outlook(html)
doc = Nokogiri::HTML.fragment(html)
# that div only holds the headers of the forwarded email
fwd = doc.css("#divRplyFwdMsg")[0]
elided = fwd.dup
# the forwarded email is in the next <div>
elided << fwd.next_element
# also elide any signatures
elided << doc.css("#Signature").remove
# remove the leading <hr>
[fwd.previous_element, fwd].each(&:remove)
[doc.to_html, elided.to_html]
end