Class: NhtsaVin::Validation

Inherits:
Object
  • Object
show all
Defined in:
lib/nhtsa_vin/validation.rb

Constant Summary collapse

TRANSLITERATIONS = 
{ 'A': 1, 'B': 2, 'C': 3, 'D': 4, 'E': 5, 'F': 6, 'G': 7,
'H': 8, 'J': 1, 'K': 2, 'L': 3, 'M': 4, 'N': 5, 'P': 7,
'R': 9, 'S': 2, 'T': 3, 'U': 4, 'V': 5, 'W': 6, 'X': 7,
'Y': 8, 'Z': 9 }.freeze
WEIGHTS = 
[8, 7, 6, 5, 4, 3, 2, 10, 0, 9, 8, 7, 6, 5, 4, 3, 2].freeze

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(vin) ⇒ Validation

Validates a VIN that it fits both the definition, and that the checksum is valid.



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# File 'lib/nhtsa_vin/validation.rb', line 18

def initialize(vin)
  @valid = false
  if vin.nil?
    @error = 'Blank VIN provided'
    return
  end
  @vin = vin.strip.upcase
  if !regex
    @error = 'Invalid VIN format'
    return
  elsif checksum != @check
    @error = "VIN checksum digit #{@check} failed "\
             "to calculate (expected #{checksum})"
    return
  else
    @valid = true
  end
end

Instance Attribute Details

#check ⇒ Object (readonly)

Returns the value of attribute check.



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# File 'lib/nhtsa_vin/validation.rb', line 12

def check
  @check
end

#error ⇒ Object (readonly)

Returns the value of attribute error.



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# File 'lib/nhtsa_vin/validation.rb', line 12

def error
  @error
end

#plant ⇒ Object (readonly)

Returns the value of attribute plant.



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# File 'lib/nhtsa_vin/validation.rb', line 12

def plant
  @plant
end

#seq ⇒ Object (readonly)

Returns the value of attribute seq.



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# File 'lib/nhtsa_vin/validation.rb', line 12

def seq
  @seq
end

#valid ⇒ Object (readonly)

Returns the value of attribute valid.



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# File 'lib/nhtsa_vin/validation.rb', line 12

def valid
  @valid
end

#vds ⇒ Object (readonly)

Returns the value of attribute vds.



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# File 'lib/nhtsa_vin/validation.rb', line 12

def vds
  @vds
end

#vin ⇒ Object (readonly)

Returns the value of attribute vin.



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# File 'lib/nhtsa_vin/validation.rb', line 12

def vin
  @vin
end

#wmi ⇒ Object (readonly)

Returns the value of attribute wmi.



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# File 'lib/nhtsa_vin/validation.rb', line 12

def wmi
  @wmi
end

Instance Method Details

#valid? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/nhtsa_vin/validation.rb', line 37

def valid?
  @valid
end