Module: ActsAsSolr::InstanceMethods

Defined in:
lib/instance_methods.rb

Instance Method Summary collapse

Instance Method Details

#indexing_disabled? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/instance_methods.rb', line 38

def indexing_disabled?
  evaluate_condition(:offline, self) || !configuration[:if]
end

#init_solr(data) ⇒ Object 



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# File 'lib/instance_methods.rb', line 10

def init_solr(data)
  @solr_data = data
end

#method_missing_with_solr_magic(method, *a, &b) ⇒ Object 



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# File 'lib/instance_methods.rb', line 14

def method_missing_with_solr_magic(method, *a, &b)
  if method.to_s =~ /^highlighted_(.*)$/ && a.length == 0
    original_field = $1
    @solr_data && @solr_data[:highlights] && @solr_data[:highlights][id] && 
      @solr_data[:highlights][id][original_field] && 
      @solr_data[:highlights][id][original_field].join(" ") || send(original_field)
  else
    method_missing_without_solr_magic(method, *a, &b)
  end
end

#solr_destroy ⇒ Object

remove from index



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# File 'lib/instance_methods.rb', line 43

def solr_destroy
  return true if indexing_disabled?
  logger.debug "solr_destroy: #{self.class.name} : #{record_id(self)}"
  solr_delete solr_id
  solr_commit if configuration[:auto_commit]
  true
end

#solr_id ⇒ Object

Solr id is <class.name>:<id> to be unique across all models



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# File 'lib/instance_methods.rb', line 6

def solr_id
  "#{self.class.name}:#{record_id(self)}"
end

#solr_save ⇒ Object

saves to the Solr index



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# File 'lib/instance_methods.rb', line 26

def solr_save
  return true if indexing_disabled?
  if evaluate_condition(:if, self) 
    logger.debug "solr_save: #{self.class.name} : #{record_id(self)}"
    solr_add to_solr_doc
    solr_commit if configuration[:auto_commit]
    true
  else
    solr_destroy
  end
end

#to_solr_doc ⇒ Object

convert instance to Solr document



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# File 'lib/instance_methods.rb', line 52

def to_solr_doc
  logger.debug "to_solr_doc: creating doc for class: #{self.class.name}, id: #{record_id(self)}"
  doc = Solr::Document.new
  doc.boost = validate_boost(configuration[:boost]) if configuration[:boost]
  
  doc << {:id => solr_id,
          solr_configuration[:type_field] => self.class.name,
          solr_configuration[:primary_key_field] => record_id(self).to_s}

  # iterate through the fields and add them to the document,
  configuration[:solr_fields].each do |field_name, options|
    #field_type = configuration[:facets] && configuration[:facets].include?(field) ? :facet : :text
    
    field_boost = options[:boost] || solr_configuration[:default_boost]
    field_type = get_solr_field_type(options[:type])
    solr_name = options[:as] || field_name
    
    value = self.send("#{field_name}_for_solr")
    value = set_value_if_nil(field_type) if value.to_s == ""
    
    # add the field to the document, but only if it's not the id field
    # or the type field (from single table inheritance), since these
    # fields have already been added above.
    if field_name.to_s != self.class.primary_key and field_name.to_s != "type"
      suffix = get_solr_field_type(field_type)
      # This next line ensures that e.g. nil dates are excluded from the 
      # document, since they choke Solr. Also ignores e.g. empty strings, 
      # but these can't be searched for anyway: 
      # http://www.mail-archive.com/[email protected]/msg05423.html
      next if value.nil? || value.to_s.strip.empty?
      [value].flatten.each do |v|
        v = set_value_if_nil(suffix) if value.to_s == ""
        field = Solr::Field.new("#{solr_name}_#{suffix}" => ERB::Util.html_escape(v.to_s))
        field.boost = validate_boost(field_boost)
        doc << field
      end
    end
  end
  
  add_includes(doc)
  logger.debug doc.to_xml
  doc
end