String "true" and "false" to boolean
Solution 1:
As far as i know there is no built in way of casting strings to booleans,
but if your strings only consist of 'true' and 'false' you could shorten your method to the following:
def to_boolean(str)
str == 'true'
end
Solution 2:
ActiveRecord provides a clean way of doing this.
def is_true?(string)
ActiveRecord::ConnectionAdapters::Column::TRUE_VALUES.include?(string)
end
ActiveRecord::ConnectionAdapters::Column::TRUE_VALUES has all of the obvious representations of True values as strings.