Class: Wikipedia::Page

Inherits:
Object
  • Object
show all
Defined in:
lib/wikipedia/page.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(json) ⇒ Page 



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# File 'lib/wikipedia/page.rb', line 5

def initialize(json)
  require 'json'
  @json = json
  @data = JSON.parse(json)
end

Instance Attribute Details

#json ⇒ Object (readonly)

Returns the value of attribute json.



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# File 'lib/wikipedia/page.rb', line 3

def json
  @json
end

Class Method Details

.sanitize(s) ⇒ Object

rubocop:disable Metrics/MethodLength rubocop:disable Metrics/AbcSize



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# File 'lib/wikipedia/page.rb', line 106

def self.sanitize( s )
  return unless s

  # strip anything inside curly braces!
  s.gsub!(/\{\{[^\{\}]+?\}\}/, '') while s =~ /\{\{[^\{\}]+?\}\}/

  # strip info box
  s.sub!(/^\{\|[^\{\}]+?\n\|\}\n/, '')

  # strip internal links
  s.gsub!(/\[\[([^\]\|]+?)\|([^\]\|]+?)\]\]/, '\2')
  s.gsub!(/\[\[([^\]\|]+?)\]\]/, '\1')

  # strip images and file links
  s.gsub!(/\[\[Image:[^\[\]]+?\]\]/, '')
  s.gsub!(/\[\[File:[^\[\]]+?\]\]/, '')

  # convert bold/italic to html
  s.gsub!(/'''''(.+?)'''''/, '<b><i>\1</i></b>')
  s.gsub!(/'''(.+?)'''/, '<b>\1</b>')
  s.gsub!(/''(.+?)''/, '<i>\1</i>')

  # misc
  s.gsub!(/<ref[^<>]*>[\s\S]*?<\/ref>/, '')
  s.gsub!(/<!--[^>]+?-->/, '')
  s.gsub!('  ', ' ')
  s.strip!

  # create paragraphs
  sections = s.split("\n\n")
  if sections.size > 1
    s = sections.map { |paragraph| "<p>#{paragraph.strip}</p>" }.join("\n")
  end

  s
end

Instance Method Details

#categories ⇒ Object 



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# File 'lib/wikipedia/page.rb', line 51

def categories
  page['categories'].map { |c| c['title'] } if page['categories']
end

#content ⇒ Object 



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# File 'lib/wikipedia/page.rb', line 15

def content
  page['revisions'].first['*'] if page['revisions']
end

#coordinates ⇒ Object 



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# File 'lib/wikipedia/page.rb', line 83

def coordinates
  page['coordinates'].first.values if page['coordinates']
end

#editurl ⇒ Object 



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# File 'lib/wikipedia/page.rb', line 39

def editurl
  page['editurl']
end

#extlinks ⇒ Object 



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# File 'lib/wikipedia/page.rb', line 59

def extlinks
  page['extlinks'].map { |c| c['*'] } if page['extlinks']
end

#fullurl ⇒ Object 



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# File 'lib/wikipedia/page.rb', line 35

def fullurl
  page['fullurl']
end

#image_descriptionurl ⇒ Object 



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# File 'lib/wikipedia/page.rb', line 71

def image_descriptionurl
  page['imageinfo'].first['descriptionurl'] if page['imageinfo']
end

#image_descriptionurls ⇒ Object 



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# File 'lib/wikipedia/page.rb', line 79

def image_descriptionurls
  image_metadata.map(&:image_descriptionurl)
end

#image_metadata ⇒ Object 



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# File 'lib/wikipedia/page.rb', line 91

def image_metadata
  unless @cached_image_metadata
    return if images.nil?
    filtered = images.select { |i| i =~ /:.+\.(jpg|jpeg|png|gif|svg)$/i && !i.include?('LinkFA-star') }
    @cached_image_metadata = filtered.map { |title| Wikipedia.find_image(title) }
  end
  @cached_image_metadata || []
end

#image_url ⇒ Object 



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# File 'lib/wikipedia/page.rb', line 67

def image_url
  page['imageinfo'].first['url'] if page['imageinfo']
end

#image_urls ⇒ Object 



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# File 'lib/wikipedia/page.rb', line 75

def image_urls
  image_metadata.map(&:image_url)
end

#images ⇒ Object 



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# File 'lib/wikipedia/page.rb', line 63

def images
  page['images'].map { |c| c['title'] } if page['images']
end

#links ⇒ Object 



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# File 'lib/wikipedia/page.rb', line 55

def links
  page['links'].map { |c| c['title'] } if page['links']
end

#page ⇒ Object 



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# File 'lib/wikipedia/page.rb', line 11

def page
  @data['query']['pages'].values.first if @data['query']['pages']
end

#raw_data ⇒ Object 



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# File 'lib/wikipedia/page.rb', line 87

def raw_data
  @data
end

#redirect? ⇒ Boolean 



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# File 'lib/wikipedia/page.rb', line 23

def redirect?
  content && content.match(/\#REDIRECT\s*\[\[(.*?)\]\]/i)
end

#redirect_title ⇒ Object 



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# File 'lib/wikipedia/page.rb', line 27

def redirect_title
  redirect?[1] rescue nil
end

#sanitized_content ⇒ Object 



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# File 'lib/wikipedia/page.rb', line 19

def sanitized_content
  self.class.sanitize(content)
end

#summary ⇒ Object 



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# File 'lib/wikipedia/page.rb', line 47

def summary
  page['extract'].split('==')[0].strip if page['extract'] && page['extract'] != ''
end

#templates ⇒ Object 



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# File 'lib/wikipedia/page.rb', line 100

def templates
  page['templates'].map { |c| c['title'] } if page['templates']
end

#text ⇒ Object 



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# File 'lib/wikipedia/page.rb', line 43

def text
  page['extract']
end

#title ⇒ Object 



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# File 'lib/wikipedia/page.rb', line 31

def title
  page['title']
end