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FEATURE: Allow manual excerpt to be specified anywhere in the post and override max excerpt length

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This commit is contained in:
David McClure 2014-09-03 22:03:12 -07:00
parent 0513d02e23
commit d567093756
2 changed files with 13 additions and 9 deletions
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10
lib/excerpt_parser.rb
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@ -2,6 +2,8 @@ class ExcerptParser < Nokogiri::XML::SAX::Document
attr_reader :excerpt attr_reader :excerpt
SPAN_REGEX = /<\s*span[^>]*class\s*=\s*['|"]excerpt['|"][^>]*>/
def initialize(length, options=nil) def initialize(length, options=nil)
@length = length @length = length
@excerpt = "" @excerpt = ""
@ -14,10 +16,14 @@ class ExcerptParser < Nokogiri::XML::SAX::Document
end end
def self.get_excerpt(html, length, options) def self.get_excerpt(html, length, options)
me = self.new(length,options) html ||= ''
if (html.include? 'excerpt') && (SPAN_REGEX === html)
length = html.length
end
me = self.new(length, options)
parser = Nokogiri::HTML::SAX::Parser.new(me) parser = Nokogiri::HTML::SAX::Parser.new(me)
catch(:done) do catch(:done) do
parser.parse(html) unless html.nil? parser.parse(html)
end end
me.excerpt.strip! me.excerpt.strip!
me.excerpt me.excerpt

12
spec/components/pretty_text_spec.rb
View file

@ -196,14 +196,12 @@ describe PrettyText do
post.excerpt.should == "hi" post.excerpt.should == "hi"
end end
it "handles span excerpt that starts before the max length" do it "ignores max excerpt length if a span excerpt is specified" do
text = "123456789 123456789 12345679 123456789 123456789 " + two_hundred = "123456789 " * 20 + "."
"as long as span starts before max length of the " + text = two_hundred + "<span class='excerpt'>#{two_hundred}</span>" + two_hundred
"<span class='excerpt'>the specified excerpt</span>" + PrettyText.excerpt(text, 100).should == two_hundred
"of the post will be used"
PrettyText.excerpt(text, 100).should == 'the specified excerpt'
post = Fabricate(:post, raw: text) post = Fabricate(:post, raw: text)
post.excerpt.should == 'the specified excerpt' post.excerpt.should == two_hundred
end end
end end