Module: CouchbaseOrm::QueryHelper::ClassMethods

Defined in:
lib/couchbase-orm/utilities/query_helper.rb

Instance Method Summary collapse

Instance Method Details

#build_match(key, value) ⇒ Object 



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# File 'lib/couchbase-orm/utilities/query_helper.rb', line 8

def build_match(key, value)
  key = 'meta().id' if key.to_s == 'id'
  if value.nil?
    "#{key} IS NOT VALUED"
  elsif value.is_a?(Hash)
    build_match_hash(key, value)
  elsif value.is_a?(Array) && value.include?(nil)
    "(#{build_match(key, nil)} OR #{build_match(key, value.compact)})"
  elsif value.is_a?(Array)
    "#{key} IN #{quote(value)}"
  else
    "#{key} = #{quote(value)}"
  end
end

#build_match_hash(key, value) ⇒ Object 



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# File 'lib/couchbase-orm/utilities/query_helper.rb', line 23

def build_match_hash(key, value)
  value.map do |k, v|
    case k
    when :_gt
      "#{key} > #{quote(v)}"
    when :_gte
      "#{key} >= #{quote(v)}"
    when :_lt
      "#{key} < #{quote(v)}"
    when :_lte
      "#{key} <= #{quote(v)}"
    when :_ne
      "#{key} != #{quote(v)}"

    # TODO: v2
    # when :_in
    #     "#{key} IN #{quote(v)}"
    # when :_nin
    #     "#{key} NOT IN #{quote(v)}"
    # when :_like
    #     "#{key} LIKE #{quote(v)}"
    # when :_nlike
    #     "#{key} NOT LIKE #{quote(v)}"
    # when :_between
    #     "#{key} BETWEEN #{quote(v[0])} AND #{quote(v[1])}"
    # when :_nbetween
    #     "#{key} NOT BETWEEN #{quote(v[0])} AND #{quote(v[1])}"
    # when :_exists
    #     "#{key} IS #{v ? "" : "NOT "}VALUED"
    # when :_regex
    #     "#{key} REGEXP #{quote(v)}"
    # when :_nregex
    #     "#{key} NOT REGEXP #{quote(v)}"
    # when :_match
    #     "#{key} MATCH #{quote(v)}"
    # when :_nmatch
    #     "#{key} NOT MATCH #{quote(v)}"

    # TODO: v3
    # when :_any
    #     "#{key} ANY #{quote(v)}"
    # when :_nany
    #     "#{key} NOT ANY #{quote(v)}"
    # when :_all
    #     "#{key} ALL #{quote(v)}"
    # when :_nall
    #     "#{key} NOT ALL #{quote(v)}"
    # when :_within
    #     "#{key} WITHIN #{quote(v)}"
    # when :_nwithin
    #    "#{key} NOT WITHIN #{quote(v)}"
    else
      if attribute_types[key.to_s].is_a?(CouchbaseOrm::Types::Array)
        "any #{key.to_s.singularize} in #{key} satisfies #{build_match("#{key.to_s.singularize}.#{k}", v)} end"
      else
        build_match("#{key}.#{k}", v)
      end
    end
  end.join(' AND ')
end

#build_not_match(key, value) ⇒ Object 



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# File 'lib/couchbase-orm/utilities/query_helper.rb', line 84

def build_not_match(key, value)
  key = 'meta().id' if key.to_s == 'id'
  if value.nil?
    "#{key} IS VALUED"
  elsif value.is_a?(Array) && value.include?(nil)
    "(#{build_not_match(key, nil)} AND #{build_not_match(key, value.compact)})"
  elsif value.is_a?(Array)
    "#{key} NOT IN #{quote(value)}"
  else
    "#{key} != #{quote(value)}"
  end
end

#quote(value) ⇒ Object 



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# File 'lib/couchbase-orm/utilities/query_helper.rb', line 112

def quote(value)
  if value.is_a? String
    "'#{N1ql.sanitize(value)}'"
  elsif value.is_a? Array
    "[#{value.map{ |v| quote(v) }.join(', ')}]"
  elsif value.nil?
    nil
  else
    N1ql.sanitize(value).to_s
  end
end

#serialize_value(key, value_before_type_cast) ⇒ Object 



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# File 'lib/couchbase-orm/utilities/query_helper.rb', line 97

def serialize_value(key, value_before_type_cast)
  value =
    if value_before_type_cast.is_a?(Array)
      value_before_type_cast.map do |v|
        attribute_types[key.to_s].serialize(attribute_types[key.to_s].cast(v))
      end
    else
      attribute_types[key.to_s].serialize(attribute_types[key.to_s].cast(value_before_type_cast))
    end
  CouchbaseOrm.logger.debug {
    "convert_values: #{key} => #{value_before_type_cast.inspect} => #{value.inspect} #{value.class} #{attribute_types[key.to_s]}"
  }
  value
end