Class: Jekyll::RelatedPosts

Inherits:
Object
  • Object
show all
Defined in:
lib/jekyll/related_posts.rb

Class Attribute Summary collapse

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(post) ⇒ RelatedPosts

Returns a new instance of RelatedPosts.



9
10
11
12
13
 
# File 'lib/jekyll/related_posts.rb', line 9

def initialize(post)
  @post = post
  @site = post.site
  Jekyll::External.require_with_graceful_fail('classifier-reborn') if site.lsi
end

Class Attribute Details

.lsi ⇒ Object

Returns the value of attribute lsi.



4
5
6
 
# File 'lib/jekyll/related_posts.rb', line 4

def lsi
  @lsi
end

Instance Attribute Details

#post ⇒ Object (readonly)

Returns the value of attribute post.



7
8
9
 
# File 'lib/jekyll/related_posts.rb', line 7

def post
  @post
end

#site ⇒ Object (readonly)

Returns the value of attribute site.



7
8
9
 
# File 'lib/jekyll/related_posts.rb', line 7

def site
  @site
end

Instance Method Details

#build ⇒ Object 



15
16
17
18
19
20
21
22
23
24
 
# File 'lib/jekyll/related_posts.rb', line 15

def build
  return [] unless site.posts.docs.size > 1

  if site.lsi
    build_index
    lsi_related_posts
  else
    most_recent_posts
  end
end

#build_index ⇒ Object 



26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
 
# File 'lib/jekyll/related_posts.rb', line 26

def build_index
  self.class.lsi ||= begin
    lsi = ClassifierReborn::LSI.new(:auto_rebuild => false)
    display("Populating LSI...")

    site.posts.docs.each do |x|
      lsi.add_item(x)
    end

    display("Rebuilding index...")
    lsi.build_index
    display("")
    lsi
  end
end

#display(output) ⇒ Object 



50
51
52
53
54
 
# File 'lib/jekyll/related_posts.rb', line 50

def display(output)
  $stdout.print("\n")
  $stdout.print(Jekyll.logger.formatted_topic(output))
  $stdout.flush
end

#lsi_related_posts ⇒ Object 



42
43
44
 
# File 'lib/jekyll/related_posts.rb', line 42

def lsi_related_posts
  self.class.lsi.find_related(post, 11)
end

#most_recent_posts ⇒ Object 



46
47
48
 
# File 'lib/jekyll/related_posts.rb', line 46

def most_recent_posts
  @most_recent_posts ||= (site.posts.docs.reverse - [post]).first(10)
end