Class: Brief::Document::ContentExtractor

Inherits:
Object
  • Object
show all
Defined in:
lib/brief/document/content_extractor.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(model_type, document) ⇒ ContentExtractor

Returns a new instance of ContentExtractor.



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# File 'lib/brief/document/content_extractor.rb', line 3

def initialize(model_type, document)
  @model_type = model_type
  @document = document
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(meth, *_args, &_block) ⇒ Object 



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# File 'lib/brief/document/content_extractor.rb', line 31

def method_missing(meth, *_args, &_block)
  if settings = content_schema_attributes.fetch(meth, nil)
    if settings.args.length == 1 && settings.args.first.is_a?(String)
      selector = settings.args.first
      matches = document.css(selector)

      if matches.length > 1
        selector.match(/first-of-type/) ? matches.first.text : matches.map(&:text)
      else
        matches.first.try(:text)
      end
    elsif settings.args.first.to_s.match(/code/i) && (settings.args.last.serialize rescue nil)
      selector = settings.args.first
      opts = settings.args.last

      matches = document.css(selector)

      val = if matches.length > 1
        selector.match(/first-of-type/) ? matches.first.text : matches.map(&:text)
      else
        matches.first.try(:text)
      end

      if val && opts.serialize == :yaml
        return (YAML.load(val) rescue {}).to_mash
      end

      if val && opts.serialize == :json
        return (JSON.parse(val) rescue {}).to_mash
      end
    end
  end
end

Instance Attribute Details

#document ⇒ Object (readonly)

Returns the value of attribute document.



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# File 'lib/brief/document/content_extractor.rb', line 8

def document
  @document
end

Instance Method Details

#content_schema_attributes ⇒ Object 



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# File 'lib/brief/document/content_extractor.rb', line 14

def content_schema_attributes
  model_class.definition.content_schema.attributes
end

#extracted_content_data ⇒ Object 



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# File 'lib/brief/document/content_extractor.rb', line 18

def extracted_content_data
  me = self
  content_schema_attributes.keys.reduce({}.to_mash) do |memo, attr|
    val = me.send(attr) rescue nil
    memo[attr] = val if val
    memo
  end
end

#model_class ⇒ Object 



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# File 'lib/brief/document/content_extractor.rb', line 10

def model_class
  document.model_class
end

#respond_to?(meth) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/brief/document/content_extractor.rb', line 27

def respond_to?(meth)
  content_schema_attributes.key?(meth) || super
end