Module: FulltextSearchable::ActiveRecord::ClassMethods

Defined in:
lib/fulltext_searchable/active_record.rb

Overview

ActiveRecord::Baseにextendされるモジュール

Instance Method Summary collapse

Instance Method Details

#fulltext_searchable(columns = [], options = {}, &block) ⇒ Object

全文検索機能を有効にする。

columns

全文検索の対象とするカラムを指定。

例:

fulltext_searchable :title, :body



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# File 'lib/fulltext_searchable/active_record.rb', line 26

def fulltext_searchable(columns=[], options={}, &block)
  options = options.symbolize_keys
  cattr_accessor  :fulltext_columns,
    :fulltext_keyword_proc, :fulltext_referenced_columns

  referenced = options.delete(:referenced)
  self.fulltext_columns = Array.wrap(columns)
  self.fulltext_referenced_columns = Array.wrap(referenced) if referenced
  self.fulltext_keyword_proc = block

  class_eval <<-EOV
  has_one :fulltext_index, {
    :as => :item,
    :conditions => proc{ {:key => FulltextIndex.create_key(self) } }
  }

  include FulltextSearchable::ActiveRecord::Behaviors

  after_commit       :save_fulltext_index
  after_destroy      :destroy_fulltext_index
  EOV
  if self.fulltext_referenced_columns
    class_eval <<-EOV
      before_save       :check_fulltext_changes
    EOV
  end
end

#fulltext_searchable? ⇒ Boolean

全文検索対応モデルかどうかを返す。

Returns:

  • (Boolean) 


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# File 'lib/fulltext_searchable/active_record.rb', line 56

def fulltext_searchable?
  self.ancestors.include?(
    ::FulltextSearchable::ActiveRecord::Behaviors)
end