discourse/app/helpers/user_notifications_helper.rb

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module UserNotificationsHelper
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def self.sanitize_options
return @sanitize_options if @sanitize_options
@sanitize_options = Sanitize::Config::RELAXED.deep_dup
@sanitize_options[:elements] << 'aside' << 'div'
@sanitize_options[:attributes][:all] << 'class'
@sanitize_options
end
def indent(text, by=2)
spacer = " " * by
result = ""
text.each_line do |line|
result << spacer << line
end
result
end
def correct_top_margin(html, desired)
fragment = Nokogiri::HTML.fragment(html)
if para = fragment.css("p:first").first
para["style"] = "margin-top: #{desired};"
end
fragment.to_html.html_safe
end
def logo_url
logo_url = SiteSetting.logo_url
if logo_url !~ /http(s)?\:\/\//
logo_url = "#{Discourse.base_url}#{logo_url}"
end
logo_url
end
def html_site_link
"<a href='#{Discourse.base_url}'>#{@site_name}</a>"
end
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def first_paragraph_from(html)
doc = Nokogiri::HTML(html)
result = ""
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doc.css('p').each do |p|
if p.text.present?
result << p.to_s
return result if result.size >= 100
end
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end
return result unless result.blank?
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# If there is no first paragaph, return the first div (onebox)
doc.css('div').first
end
def email_excerpt(html, posts_count)
# If there's only one post, include the whole thing.
if posts_count == 1
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raw Sanitize.clean(html, UserNotificationsHelper.sanitize_options)
else
# Otherwise, try just the first paragraph.
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para = first_paragraph_from(html)
raw Sanitize.clean(para, UserNotificationsHelper.sanitize_options)
end
end
end