class PontDelPetroli::Swell::Parser
Constants
- CSS_ROWS_SELECTOR
- DATA_URL
- EMPTY_CHAR
Public Instance Methods
run()
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# File lib/swell/parser.rb, line 11 def run rows = Nokogiri::HTML(open(DATA_URL)).css CSS_ROWS_SELECTOR rows.drop(1).map do |row| extract_data_from row end.compact end
Private Instance Methods
extract_data_from(row)
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# File lib/swell/parser.rb, line 21 def extract_data_from row return if is_empty? row timestamp = Time.parse row.css('td:nth-child(1)').text height = row.css('td:nth-child(4)').text direction = row.css('td:nth-child(5)').text period = row.css('td:nth-child(6)').text Data.new timestamp, height, direction, period end
is_empty?(row)
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# File lib/swell/parser.rb, line 32 def is_empty? row row.css('td:nth-child(4)').text == EMPTY_CHAR end