Class: TaxCode

Inherits:
Object
  • Object
show all
Defined in:
lib/tax_code.rb,
lib/tax_code/version.rb

Constant Summary collapse

VERSION = 
"0.0.3"

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(path = '.') ⇒ TaxCode

Returns a new instance of TaxCode.



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# File 'lib/tax_code.rb', line 19

def initialize(path = '.')
  dir = path
  file = '.'
  unless File.directory? path
    dir = File.dirname path
    file = File.basename path
  end
  Dir.chdir(dir) do
    log = `git log --numstat -M #{file}`.encode('UTF-8', 'UTF-8', :invalid => :replace)
    raise 'Path has to be inside your git repository' if log == ""
    compute_history(log)
  end  
end

Class Method Details

.taxed_only(path = '.') ⇒ Object 



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# File 'lib/tax_code.rb', line 14

def taxed_only(path = '.')
  TaxCode.new(path).taxed_only
end

.taxes(path = '.') ⇒ Object 



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# File 'lib/tax_code.rb', line 6

def taxes(path = '.')
  TaxCode.new(path).taxes    
end

.worst(path = '.', num = 25) ⇒ Object 



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# File 'lib/tax_code.rb', line 10

def worst(path = '.', num = 25)
  TaxCode.new(path).worst(num)
end

Instance Method Details

#taxed_only ⇒ Object 



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# File 'lib/tax_code.rb', line 44

def taxed_only
  taxes.select{ |_, t| t > 0 }
end

#taxes ⇒ Object 



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# File 'lib/tax_code.rb', line 33

def taxes
  @hist.inject({}) do |res, (f, changes)|
    size, tax = changes[0][1], 0
    changes[1..-1].each do |c|
      tax += score(size, *c)
      size += c[1] - c[2]
    end
    size > 0 ? res.merge(f => [tax.to_i, 0].max) : res
  end
end

#worst(num = 25) ⇒ Object 



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# File 'lib/tax_code.rb', line 48

def worst(num = 25)
  taxed_only.sort_by(&:last).last(num).reverse 
end