Class: Raev::Url

Inherits:
Object
  • Object
show all
Defined in:
lib/raev/url.rb

Constant Summary collapse

AUTHOR_CSS_SELECTORS = 
[
  '.c-byline__item a'.freeze,
  '.author-info .name'.freeze,
  '.author-top a'.freeze,
      '.yt-user-info a'.freeze,
  'a[rel~="author"]'.freeze,
  'a[itemprop~="author"]'.freeze,
  '.author h3 a'.freeze,
  '.author'.freeze,
  '.posted-by a'.freeze,
  '.entryAuthor a'.freeze,
  'a.names'.freeze,
  'a.byline-author'.freeze,
  '.byline a'.freeze,
  '.author.vcard a'.freeze,
  'p.info a'.freeze,
  '.author-name'.freeze,
  '.upcased'.freeze,
  'a[rel~="nofollow"]'.freeze
]
REGEX_UTM = 
/(\?|&)utm_/
REGEX_URL_DATE = 
/[0-9]{4}\/[0-9]{1,2}\/[0-9]{1,2}/
REGEX_ENTRY_DATE = 
/[^a-zA-Z0-9\s]/
REGEX_PAGE_TITLE = 
/ +/

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(url) ⇒ Url

Returns a new instance of Url.



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# File 'lib/raev/url.rb', line 40

def initialize(url)
  fetch(url)
  @url = Url.remove_utm(@url)
  @doc = nil
  @linked_data = nil
end

Instance Attribute Details

#body ⇒ Object (readonly)

Returns the value of attribute body.



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# File 'lib/raev/url.rb', line 37

def body
  @body
end

#doc ⇒ Object (readonly)

Returns the value of attribute doc.



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# File 'lib/raev/url.rb', line 38

def doc
  @doc
end

#url ⇒ Object (readonly)

Returns the value of attribute url.



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# File 'lib/raev/url.rb', line 36

def url
  @url
end

Class Method Details

.base(url) ⇒ Object 



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# File 'lib/raev/url.rb', line 47

def self.base(url)
  base_url = url.split('/'.freeze)[2]  
  base_url.gsub!('www.'.freeze, ''.freeze) unless base_url.nil?
  base_url
end

.remove_utm(url) ⇒ Object 



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# File 'lib/raev/url.rb', line 53

def self.remove_utm(url)
  unless url.nil?
    utm_index = url.index(REGEX_UTM)
    unless(utm_index.nil?)
      url = url.slice(0, utm_index)
    end
  end
  
  url
end

Instance Method Details

#author ⇒ Object 



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# File 'lib/raev/url.rb', line 165

def author
      node = document.search('meta[name="author"]'.freeze).first

      if node && node.attribute("content".freeze)
return node.attribute("content".freeze).value
      end
      
  node = document.search(AUTHOR_CSS_SELECTORS.join(", ".freeze)).first
  
  if node
    words = node.content.split.size
  
    if words <= 4
      return Sanitize.clean(node.content).strip[0..255]
    end
  end
  
  "".freeze
end

#bestRating ⇒ Object 



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# File 'lib/raev/url.rb', line 203

def bestRating
  node = document.search('*[itemprop="bestRating"]'.freeze).first
  
  if node
    if node.attribute("content".freeze)
      value = node.attribute("content".freeze).value
    
      if value
        return value.to_f
      end
    end
  end
  
  nil      
end

#document ⇒ Object 



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# File 'lib/raev/url.rb', line 219

def document
  if @doc.nil?
    @doc = Nokogiri::HTML(@body)
  end

  @doc
end

#feed ⇒ Object 



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# File 'lib/raev/url.rb', line 79

def feed
  feed_url = nil
  
  node = document.css('link[type="application/rss+xml"][rel="alternate"]'.freeze)
  
  if node.first
    feed_url = node.first["href"]
  else
    node = document.css('a:match_href("http://feeds.")'.freeze, Raev::Parser.new)
            
    if node.first
      feed_url = node.first["href"]
    end
  end
  
  if feed_url && feed_url[0,1] == "/".freeze
    feed_url = @url + feed_url
  end
  
  feed_url
end

#headline ⇒ Object 



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# File 'lib/raev/url.rb', line 101

def headline
  if linked_data && linked_data["headline"]
    return Sanitize.clean(linked_data["headline"])
  end
  
  page_title = nil
  
  node = document.css(".twitter-share-button".freeze)
  
  if node.first
    if node.first['data-text']
      page_title = node.first['data-text']
    end
  end

  if page_title.nil?
    document.css("head meta".freeze).each do |meta|
      if meta['property'] == 'og:title'.freeze || meta['property'] == 'twitter:title'.freeze
        page_title = meta['content']
      end
    end
  end
        
  if page_title.nil?
    node = document.css("#article h1, a[rel=\"bookmark\"], h2[itemprop=\"name\"]".freeze)
            
    if node.first
      page_title = node.first.content
    end
  end
  
  unless page_title.nil?
    page_title.gsub!(REGEX_PAGE_TITLE, ' '.freeze)
  end
  
  page_title
end

#pubdate ⇒ Object 



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# File 'lib/raev/url.rb', line 139

def pubdate      
  if linked_data && linked_data["datePublished"]
    return Date.parse(linked_data["datePublished"])
  end
  
  date_elements = @url.match(REGEX_URL_DATE).to_s.split("/".freeze)
  
  if date_elements.size == 3
    return Date.new(date_elements[0].to_i, date_elements[1].to_i, date_elements[2].to_i)      
  else
    node = document.search("meta[itemprop='datePublished'], meta[name='pub_date']".freeze).first
    
    if node
      return Date.parse(node.attribute("content".freeze))
    else
      node = document.search(".entryDate, .entrydate".freeze).first

      if node
        return Chronic.parse(node.content.gsub(REGEX_ENTRY_DATE, "".freeze).strip)
      end
    end
  end
  
  nil
end

#ratingValue ⇒ Object 



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# File 'lib/raev/url.rb', line 185

def ratingValue
  node = document.search('*[itemprop="ratingValue"]'.freeze).first
  
  if node
    if node.attribute("content".freeze)
      value = node.attribute("content".freeze).value
    else
      value = node.content
    end
  end

  if value
    value.to_f
  else
    nil
  end
end

#twitter ⇒ Object 



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# File 'lib/raev/url.rb', line 68

def twitter
  node = document.css('a:match_href("twitter.com")'.freeze, Raev::Parser.new)
        
  if node.first
    twitter_url = node.first["href"]
    twitter_url.split('/'.freeze).last
  else
    nil
  end
end

#without_http ⇒ Object 



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# File 'lib/raev/url.rb', line 64

def without_http
  @url.sub("http://".freeze, "".freeze)
end