Add default currencies

app/helpers/date_time_currency_helper.rb

@@ -0,0 +1,41 @@
+module DateTimeCurrencyHelper
+  ##
+  # Includes functions related to date or time manipulations
+  ##
+  ##
+  # Gets an EventType object, and returns its length in timestamp format (HH:MM)
+  # ====Gets
+  # * +Integer+ -> 30
+  # ====Returns
+  # * +String+ -> "00:30"
+  def length_timestamp(length)
+    [length / 60, length % 60].map { |t| t.to_s.rjust(2, '0') }.join(':')
+  end
+
+  ##
+  # Gets a datetime object
+  # ====Returns
+  # * +String+ -> formated datetime object
+  def format_datetime(obj)
+    return unless obj
+    obj.strftime('%Y-%m-%d %H:%M')
+  end
+
+  def show_time(length)
+    return '0 h 0 min' if length.blank?
+
+    h, min = length.divmod(60)
+
+    if h == 0
+      "#{min.round} min"
+    elsif min == 0
+      "#{h} h"
+    else
+      "#{h} h #{min.round} min"
+    end
+  end
+
+  def currencies
+    default_currencies = YAML::load(ENV['OSEM_DEFAULT_CURRENCIES'])
+  end
+end