Class: PLA::Movements

Inherits:
Object
  • Object
show all
Defined in:
lib/pla/movements.rb

Direct Known Subclasses

Arrivals, Departures

Class Attribute Summary collapse

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Movements

Returns a new instance of Movements.



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# File 'lib/pla/movements.rb', line 18

def initialize
  @url = self.class.url
  @root = 'div.newsMainArea table tr td table tr'  # It gets worse

  @records = []
  @ships = get_ships_data

  set_headers
  set_records

  @records
end

Class Attribute Details

.url ⇒ Object

Returns the value of attribute url.



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# File 'lib/pla/movements.rb', line 10

def url
  @url
end

Instance Attribute Details

#headers ⇒ Object (readonly)

Returns the value of attribute headers.



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# File 'lib/pla/movements.rb', line 16

def headers
  @headers
end

#records ⇒ Object (readonly)

Returns the value of attribute records.



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# File 'lib/pla/movements.rb', line 16

def records
  @records
end

Class Method Details

.set_url(u) ⇒ Object 



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# File 'lib/pla/movements.rb', line 11

def set_url u
  @url = u
end

Instance Method Details

#get_ships_data ⇒ Object 



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# File 'lib/pla/movements.rb', line 31

def get_ships_data
  Nokogiri::HTML(open(@url)).css(@root)
end

#set_headers ⇒ Object 



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# File 'lib/pla/movements.rb', line 35

def set_headers
  @headers = normalize_and_map(@ships.first.css('th'))
  @headers[-1] = 'notes'  # pla returns this as empty. We infer it means notes, though usually it says 'Pilot required'
end

#set_records ⇒ Object 



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# File 'lib/pla/movements.rb', line 40

def set_records
  @ships[1..-1].each do |t|
    record = {}
    fields = normalize_and_map(t.css('td'))
    fields.each_with_index do |f,i|
      record[ @headers[i].to_sym ] = f
    end

    movement = PLA::Movement.new(record)
    @records << movement.to_h
  end
end