Module: MakeModelSearchable::ClassMethods

Defined in:
lib/make_model_searchable.rb

Instance Method Summary collapse

Instance Method Details

#search(search_term) ⇒ Object



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# File 'lib/make_model_searchable.rb', line 71

def search(search_term)
  valid_fields = self.instance_variable_get(:@selected_fields)
  joined_fields = self.instance_variable_get(:@joined_fields)
  
  if valid_fields.present?
    if search_term
      search_term = "%#{search_term.downcase}%"
      own_table = self.arel_table
      arel_node = Arel::Nodes::Node.new
      valid_fields.each_with_index do |val, index|
        if index == 0
          arel_node = own_table[val].lower.matches(search_term)
        else
          arel_node = arel_node.or(own_table[val].lower.matches(search_term))
        end
      end
      join_table_names = []
      
      if joined_fields.present?
        joined_fields.each do |field|
          associated_relation = field.associated_klass.arel_table
          join_table_names << field.association_name
          if arel_node.present?
            arel_node = arel_node.or(associated_relation[field.name].lower.matches(search_term))
          else
            arel_node = associated_relation[field.name].lower.matches(search_term)
          end
        end
      end

      joins(join_table_names).where(arel_node)
    else
      all
    end
  else
    raise Exception,  "Please pass valid attributes for class: #{self.name}"
  end
end