Rails create a helper to add text -

i have fee column in model , integer type, try create tiny helper add dollar sign neatly in front. means, instead of writing:

span = "$#{@object.fee}"

i can write like

span = @object.fee.dollar

so created tiny helper.

module applicationhelper     def self.dollar         "$#{self.try(:to_s)}"     end end

i not sure put it, it's showing

undefined method `dollar' 180:fixnum

number_to_currency()

rails 4.2 has actionview::helper

number_to_currency(1234567890.506)

helper

if want implement helper, works

module applicationhelper     def dollar(amount)        amount = number_to_currency(amount)     end end

invoke

<%= dollar(your_var_here) %>

rails spec number_to_currency()

note: other versions of rails may have function, you'd have check version.

Szoka