Module: Redmine::CoreExtensions::String::Conversions

Included in:
String
Defined in:
lib/redmine/core_ext/string/conversions.rb

Overview

Custom string conversions

Instance Method Summary collapse

Instance Method Details

#to_hours ⇒ Object

Parses hours format and returns a float



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# File 'lib/redmine/core_ext/string/conversions.rb', line 24

def to_hours
  s = self.dup
  s.strip!
  if s =~ %r{^(\d+([.,]\d+)?)h?$}
    s = $1
  else
    # 2:30 => 2.5
    s.gsub!(%r{^(\d+):(\d+)$}) { $1.to_i + $2.to_i / 60.0 }
    # 2h30, 2h, 30m => 2.5, 2, 0.5
    s.gsub!(%r{^((\d+)\s*(h|hours?))?\s*((\d+)\s*(m|min)?)?$}i) { |m| ($1 || $4) ? ($2.to_i + $5.to_i / 60.0) : m[0] }
  end
  # 2,5 => 2.5
  s.gsub!(',', '.')
  begin; Kernel.Float(s); rescue; nil; end
end