Class: Pipl::Vehicle

Inherits:
Field
  • Object
show all
Defined in:
lib/pipl/fields.rb

Instance Attribute Summary collapse

Attributes inherited from Field

#current, #inferred, #last_seen, #valid_since

Instance Method Summary collapse

Methods inherited from Field

base_params_from_hash, extra_metadata, from_hash

Methods included from Utils

alnum_chars, alpha_chars, date_to_str, extract_rate_limits, is_valid_url?, str_to_date, titleize, to_utf8

Constructor Details

#initialize(params = {}) ⇒ Vehicle

Returns a new instance of Vehicle.


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# File 'lib/pipl/fields.rb', line 740

def initialize(params={})
  @vin = params[:vin]
  @year = params[:year]
  @make = params[:make]
  @model = params[:model]
  @color = params[:color]
  @vehicle_type = params[:vehicle_type]
  @display = params[:display]
end

Instance Attribute Details

#color ⇒ Object

Returns the value of attribute color.


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# File 'lib/pipl/fields.rb', line 738

def color
  @color
end

#display ⇒ Object

Returns the value of attribute display.


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# File 'lib/pipl/fields.rb', line 738

def display
  @display
end

#make ⇒ Object

Returns the value of attribute make.


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# File 'lib/pipl/fields.rb', line 738

def make
  @make
end

#model ⇒ Object

Returns the value of attribute model.


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# File 'lib/pipl/fields.rb', line 738

def model
  @model
end

#vehicle_type ⇒ Object

Returns the value of attribute vehicle_type.


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# File 'lib/pipl/fields.rb', line 738

def vehicle_type
  @vehicle_type
end

#vin ⇒ Object

Returns the value of attribute vin.


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# File 'lib/pipl/fields.rb', line 738

def vin
  @vin
end

#year ⇒ Object

Returns the value of attribute year.


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# File 'lib/pipl/fields.rb', line 738

def year
  @year
end

Instance Method Details

#is_searchable? ⇒ Boolean

Returns:

  • (Boolean) 

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# File 'lib/pipl/fields.rb', line 798

def is_searchable?
  validate_vin(@vin)
end

#to_hash ⇒ Object 


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# File 'lib/pipl/fields.rb', line 750

def to_hash
  {vin: @vin, year: @year, make: @make, model: @model, color: @color, vehicle_type: @vehicle_type}
      .reject { |_, value| value.nil? }
end

#validate_vin(vin) ⇒ Object 


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# File 'lib/pipl/fields.rb', line 755

def validate_vin(vin)
  vin_valid = true
  if vin
    vin_valid = vin.length == 17 &&
                !(vin.downcase.chars.to_set & %w[i o q]).any? &&
                !%w[u z 0].include?(vin[9].downcase) &&
                vin.match?(/\A\w+\z/)
    vin_valid &&= validate_vin_checksum(vin) if vin_valid
  end
  vin_valid
end

#validate_vin_checksum(vin) ⇒ Object 


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# File 'lib/pipl/fields.rb', line 767

def validate_vin_checksum(vin)
  vin = vin.downcase
  check_digit = vin[8]

  return false if check_digit.nil? # Handle the case when check_digit is nil

  replace_map = {
    "1" => ["a", "j"],
    "2" => ["b", "k", "s"],
    "3" => ["c", "l", "t"],
    "4" => ["d", "m", "u"],
    "5" => ["e", "n", "v"],
    "6" => ["f", "w"],
    "7" => ["g", "p", "x"],
    "8" => ["h", "y"],
    "9" => ["r", "z"]
  }
  positional_weights = [8, 7, 6, 5, 4, 3, 2, 10, 0, 9, 8, 7, 6, 5, 4, 3, 2]

  replace_map.each do |digit, replacements|
    replacements.each do |c|
      vin.gsub!(c, digit)
    end
  end

  checksum = vin.chars.each_with_index.reject { |_, i| i == 8 }.sum { |num, i| num.to_i * positional_weights[i] } % 11

  checksum = 'x' if checksum == 10
  checksum.to_s == check_digit.to_s # Convert check_digit to string for comparison
end