Module: LoyalSpider::EntityAble::InstanceMethods

Defined in:
lib/loyal_spider/ables/entity_able.rb

Instance Method Summary collapse

Instance Method Details

#authors ⇒ Object 



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# File 'lib/loyal_spider/ables/entity_able.rb', line 54

def authors
  @authors ||= []
end

#authors_array ⇒ Object 



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# File 'lib/loyal_spider/ables/entity_able.rb', line 58

def authors_array
  @authors_array ||= self.authors.map{|_author| _author[:text] }
end

#images ⇒ Object

图片



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# File 'lib/loyal_spider/ables/entity_able.rb', line 40

def images
  @images ||= Nokogiri::HTML.parse(self.content).css('img').map do |img_doc|
    {
      :src => img_doc.attr('src'),
      :title => img_doc.attr('title'),
      :alt   => img_doc.attr('alt')
    }
  end
end

#images? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/loyal_spider/ables/entity_able.rb', line 50

def images?
  self.images.any?
end

#initialize(attrs = {}) ⇒ Object 



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# File 'lib/loyal_spider/ables/entity_able.rb', line 23

def initialize attrs={}
  attrs.each do |key, value|
    self.send(:"#{key}=", value)
  end

  self.errors = {}
end

#tags ⇒ Object 



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# File 'lib/loyal_spider/ables/entity_able.rb', line 31

def tags
  @tags ||= []
end

#tags_array ⇒ Object 



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# File 'lib/loyal_spider/ables/entity_able.rb', line 35

def tags_array
  @tags_array ||= self.tags.map{|_tag| _tag[:text] }
end

#valid! ⇒ Object 



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# File 'lib/loyal_spider/ables/entity_able.rb', line 67

def valid!
  unless self.content.to_s.strip.size > 0
    add_error :content, '不能为空'
  end

  unless self.url.to_s.strip.size > 0
    add_error :url, '不能为空'
  end
end

#valid? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/loyal_spider/ables/entity_able.rb', line 62

def valid?
  self.valid!
  self.errors.empty?
end