Module: ActsAsQueryable::ClassMethods

Defined in:
lib/acts_as_queryable.rb

Instance Method Summary collapse

Instance Method Details

#acts_as_queryable(options = {}) ⇒ Object

Raises:

  • (ArgumentError) 


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# File 'lib/acts_as_queryable.rb', line 7

def acts_as_queryable(options = {})
  raise ArgumentError, "Hash expected, got #{options.class.name}" unless options.is_a?(Hash) || options.empty?
  except = options[:except] || []
  raise ArgumentError, "Array expected, got #{except.class.name}" unless except.class.name || options.empty?
  except.map! { |e| e.to_s }
  @query_param_names = self.attribute_names - except
  @order = options[:order]
end

#query(query_params) ⇒ Object 



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# File 'lib/acts_as_queryable.rb', line 16

def query(query_params)
  conditions = []
  params = []
  query_params.each do |key, value|
    key = key.to_s
    next unless self.columns_hash[key] && @query_param_names.include?(key)
    if value == 'NULL'
      conditions << "#{key} IS NULL"
      next
    end
    case self.columns_hash[key].type
    when :string, :text
      conditions << "#{key} LIKE ?"
      params << "%#{value}%"
    when :integer
      sub_conditions = []
      value.split(',').each do |integer|
        sub_conditions << "#{key} = ?"
        params << integer
      end
      conditions << "(#{sub_conditions.join(' OR ')})"
    else
      conditions << "#{key} = ?"
      params << value
    end
  end
  query_params.each do |key, value|
    key = key.to_s
    suffix = suffix(key)
    key = remove_suffix(key)
    next unless self.columns_hash[key]
    case self.columns_hash[key].type
    when :integer, :float, :datetime
      case suffix
      when 'gt'
        conditions << "#{key} > ?"
        params << value
      when 'lt'
        conditions << "#{key} < ?"
        params << value
      end
    end
  end
  query = conditions.join(' AND ')
  self.where(query, *params).order(@order && query_params[:order])
end