Class: RansackMongo::Query

Inherits:
Object
  • Object
show all
Defined in:
lib/ransack_mongo/query.rb

Overview

github.com/activerecord-hackery/ransack/wiki/Basic-Searching

Class Method Summary collapse

Class Method Details

.parse(params, db_adapter_class = MongoAdapter) ⇒ Object 



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# File 'lib/ransack_mongo/query.rb', line 7

def parse(params, db_adapter_class = MongoAdapter)
  parsed_predicates = Predicate.new(db_adapter_class.predicates).parse(params)

  db_adapter = db_adapter_class.new

  parsed_predicates.keys.each do |p|
    parsed_predicates[p].each do |parsed_predicate|
      attr  = parsed_predicate['attr']
      value = parsed_predicate['value']

      begin
        if attr.include? '_or_'
          # attr => name_or_lastname
          or_query(db_adapter, attr, value, p)
        else
          # attr => name
          db_adapter.send("#{p}_matcher", attr, value)
        end
      rescue NoMethodError => e
        raise MatcherNotFound, "The matcher #{p} `#{p}_matcher` was not found in the #{db_adapter_class.name}. Check `#{db_adapter_class}.predicates`"
      end
    end
  end

  db_adapter.to_query
end

.parse!(params, db_adapter_class = MongoAdapter) ⇒ Object 



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# File 'lib/ransack_mongo/query.rb', line 34

def parse!(params, db_adapter_class = MongoAdapter)
  if (selector = parse(params)).empty?
    raise MatcherNotFound,  'No matchers found. To allow empty queries use .parse instead'
  end

  selector
end