Class: ExpressAdmin::Search

Inherits:
Object
  • Object
show all
Defined in:
lib/express_admin/search.rb

Class Method Summary collapse

Class Method Details

.execute(scope, params = nil) ⇒ Object 



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# File 'lib/express_admin/search.rb', line 3

def self.execute(scope, params = nil)
  @search_results = []
  @tables_traversed = []
  @scope = scope
  @params = params
  self.search_parent_tables(scope)
  @search_results = @search_results | scope.basic_search(params) if searchable?(scope.columns)
  @search_results = @search_results | scope.fuzzy_search(params) if searchable?(scope.columns)
  @search_results
end

.get_columns(associated_table) ⇒ Object 



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# File 'lib/express_admin/search.rb', line 39

def self.get_columns(associated_table)
  assoc_table_columns = associated_table.columns
  string_columns = []
  assoc_table_columns.each do |columns|
    if columns.type.eql? :string
      string_columns << columns
    end
  end
  string_columns
end

.join_generator ⇒ Object 



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# File 'lib/express_admin/search.rb', line 35

def self.join_generator
  @tables_traversed.reverse.inject { |memo, table| {table => memo} }
end

.search_parent_tables(scope) ⇒ Object 



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# File 'lib/express_admin/search.rb', line 14

def self.search_parent_tables(scope)
  @associations = scope.reflect_on_all_associations(:belongs_to).map(&:name)
  if @associations.present?
    @associations.each do |assoc|
      @tables_traversed.push assoc
      associated_table = scope.reflect_on_association(assoc.to_sym).try(:klass) rescue nil
      unless associated_table.nil?
        column_names = self.get_columns(associated_table).map(&:name)
        column_names.each do |columns|
          # Search using Textacular
          result = @scope.joins(self.join_generator).fuzzy_search(associated_table.table_name.to_sym =>
                                                             {columns.to_sym => @params })
          @search_results = @search_results | result unless result.empty?
        end
        self.search_parent_tables(associated_table)
      end
    end
  end
  @tables_traversed.pop
end