Class: Awestruct::Extensions::Tagger

Inherits:
Object
  • Object
show all
Defined in:
lib/awestruct/extensions/tagger.rb

Defined Under Namespace

Modules: TagLinker Classes: TagStat

Instance Method Summary collapse

Constructor Details

#initialize(tagged_items_property, input_path, output_path = 'tags', opts = {}) ⇒ Tagger

Returns a new instance of Tagger.



27
28
29
30
31
32
33
 
# File 'lib/awestruct/extensions/tagger.rb', line 27

def initialize(tagged_items_property, input_path, output_path='tags', opts={})
  @tagged_items_property = tagged_items_property
  @input_path  = input_path
  @output_path = output_path
  @sanitize = opts[:sanitize] || false
  @pagination_opts = opts
end

Instance Method Details

#execute(site) ⇒ Object 



35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
 
# File 'lib/awestruct/extensions/tagger.rb', line 35

def execute(site)
  @tags ||= {}
  all = site.send( @tagged_items_property )
  return if ( all.nil? || all.empty? ) 

  all.each do |page|
    tags = page.tags
    if ( tags && ! tags.empty? )
      tags.each do |tag|
        tag = tag.to_s
        @tags[tag] ||= TagStat.new( tag, [] )
        @tags[tag].pages << page
      end
    end
  end

  all.each do |page|
    page.tags = (page.tags||[]).collect{|t| @tags[t]}
    page.extend( TagLinker )
  end

  ordered_tags = @tags.values
  ordered_tags.sort!{|l,r| -(l.pages.size <=> r.pages.size)}
  #ordered_tags = ordered_tags[0,100]
  ordered_tags.sort!{|l,r| l.to_s <=> r.to_s}

  min = 9999
  max = 0

  ordered_tags.each do |tag|
    min = tag.pages.size if ( tag.pages.size < min )
    max = tag.pages.size if ( tag.pages.size > max )
  end

  span = max - min
  
  if span > 0
    slice = span / 6.0
    ordered_tags.each do |tag|
      adjusted_size = tag.pages.size - min
      scaled_size = adjusted_size / slice
      tag.group = (( tag.pages.size - min ) / slice).ceil
    end
  else
    ordered_tags.each do |tag|
      tag.group = 0
    end
  end

  @tags.values.each do |tag|
    ## Optionally sanitize tag URL
    output_prefix = File.join( @output_path, sanitize(tag.to_s) )
    options = { :remove_input=>false, :output_prefix=>output_prefix, :collection=>tag.pages }.merge( @pagination_opts )
    
    paginator = Awestruct::Extensions::Paginator.new( @tagged_items_property, @input_path, options )
    primary_page = paginator.execute( site )
    tag.primary_page = primary_page
  end

  site.send( "#{@tagged_items_property}_tags=", ordered_tags )
end

#sanitize(string) ⇒ Object 



97
98
99
100
101
102
103
104
 
# File 'lib/awestruct/extensions/tagger.rb', line 97

def sanitize(string)
  #replace accents with unaccented version, go lowercase and replace and space with dash
  if @sanitize
    string.to_s.urlize({:convert_spaces=>true})
  else
    string
  end
end