Class: ODDB::Drugs::Dose

Inherits:
Quanty
  • Object
show all
Includes:
Comparable, OddbUri
Defined in:
lib/oddb/drugs/dose.rb,
lib/oddb/export/yaml.rb

Constant Summary collapse

@@range_ptrn = 
%r{(#{np})\s*-\s*(#{np})}
@@cnc_ptrn = 
%r{([^/]*)/\s*(#{np})\s*(.*)}

Constants included from OddbUri

OddbUri::YAML_URI

Constants inherited from Quanty

Quanty::RadianUnit, Quanty::Self

Instance Attribute Summary

Attributes inherited from Quanty

#fact, #unit, #val

Class Method Summary collapse

Instance Method Summary collapse

Methods included from OddbUri

#to_yaml, #to_yaml_map, #to_yaml_type

Methods inherited from Quanty

#**, #+@, #-@, #<, #<=, #==, #>, #>=, #adjust, #coerce, #inspect, #want

Constructor Details

#initialize(qty, unit = nil) ⇒ Dose

Returns a new instance of Dose.



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# File 'lib/oddb/drugs/dose.rb', line 17

def initialize(qty, unit=nil)
  qty_str = ''
  if(match = @@range_ptrn.match(qty.to_s))
    qty = round(match[1].to_f)..round(match[2].to_f)
  end
  if(qty.is_a?(Range))
    qty_str = "#{qty.first}-#{qty.last}"
    qty = (qty.first + qty.last) / 2.0
    @not_normalized = [qty_str, unit].compact.join(' ')
  end
  if(match = @@cnc_ptrn.match(unit.to_s))
    qty_str = round(qty).to_s
    div = round(match[2])
    @not_normalized = [
      qty_str, 
      [match[1].strip, div].join(' / '), 
      match[3],
    ].join
    qty = qty.to_f/div.to_f
    unit = [match[1].strip,match[3].strip].join('/')
  end
  qty = round(qty)
  unit = unit.to_s.tr('L', 'l')
  fuzzy_retry = true
  strict_retry = true
  begin
    super(qty, unit)
  rescue StandardError => e
    if(fuzzy_retry)
      unit = unit[0,2]
      fuzzy_retry = false
      retry
    elsif(strict_retry)
      unit = ''
      strict_retry = false
      retry
    end
  end
end

Class Method Details

.from_quanty(other) ⇒ Object 



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# File 'lib/oddb/drugs/dose.rb', line 14

def Dose.from_quanty(other)
  Dose.new(other.val, other.unit)
end

Instance Method Details

#*(other) ⇒ Object 



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# File 'lib/oddb/drugs/dose.rb', line 77

def * (other)
  Dose.from_quanty(super)
end

#+(other) ⇒ Object 



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# File 'lib/oddb/drugs/dose.rb', line 80

def + (other)
  Dose.from_quanty(super)
end

#-(other) ⇒ Object 



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# File 'lib/oddb/drugs/dose.rb', line 86

def - (other)
  Dose.from_quanty(super)
end

#/(other) ⇒ Object 



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# File 'lib/oddb/drugs/dose.rb', line 83

def / (other)
  Dose.from_quanty(super)
end

#<=>(other) ⇒ Object 



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# File 'lib/oddb/drugs/dose.rb', line 89

def <=>(other)
  begin
    (@val * 1000).round <=> (adjust(other) * 1000).round
  rescue StandardError
    @unit <=> other.unit
  end
end

#to_f ⇒ Object 



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# File 'lib/oddb/drugs/dose.rb', line 56

def to_f
  begin
    super
  rescue StandardError
    @val * @fact.factor
  end
end

#to_i ⇒ Object 



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# File 'lib/oddb/drugs/dose.rb', line 63

def to_i
  @val.to_i
end

#to_s ⇒ Object 



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# File 'lib/oddb/drugs/dose.rb', line 66

def to_s
  @not_normalized or 
  begin
    val = if(@val.is_a? Float)
      sprintf('%.3f', @val).gsub(/0+$/, '')
    else
      @val
    end
    [val, @unit].join(' ')
  end
end

#to_yaml_properties ⇒ Object 



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# File 'lib/oddb/export/yaml.rb', line 85

def to_yaml_properties
  [ :@val, :@unit ]
end