Module: Kovid::Historians

Includes:
AsciiCharts, Constants
Included in:
Tablelize
Defined in:
lib/kovid/historians.rb

Constant Summary

Constants included from AsciiCharts

AsciiCharts::VERSION

Constants included from Constants

Constants::ADD_FOOTER_SIZE, Constants::CASES_DEATHS_RECOVERED, Constants::CASES_DEATHS_RECOVERED_CTODAY_DTODAY, Constants::COMPARE_COUNTRIES_TABLE_HEADINGS, Constants::COMPARE_COUNTRY_TABLE_FULL, Constants::COMPARE_PROVINCES_HEADINGS, Constants::COMPARE_STATES_HEADINGS, Constants::CONTINENTAL_AGGREGATE_HEADINGS, Constants::COUNTRY_LETTERS, Constants::DATE_CASES_DEATHS, Constants::DATE_CASES_DEATHS_RECOVERED, Constants::FOOTER_LINE_COLUMN, Constants::FOOTER_LINE_FOUR_COLUMNS, Constants::FOOTER_LINE_THREE_COLUMNS, Constants::FULL_COUNTRY_TABLE_HEADINGS, Constants::FULL_PROVINCE_TABLE_HEADINGS, Constants::FULL_STATE_TABLE_HEADINGS, Constants::RIGHT_ALIGN_COLUMNS, Constants::USA_ABBREVIATIONS

Instance Method Summary collapse

Instance Method Details

#histogram(country, date_string) ⇒ Object 



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# File 'lib/kovid/historians.rb', line 38

def histogram(country, date_string)
  @date = date_string.split('.')

  if @date.last.to_i != 20
    Kovid.info_table('Only 2020 histgrams are available.')
    return
  end

  # From dates where number of !cases.zero?
  country_cases = country['timeline']['cases']
  positive_cases_figures = country_cases.values.reject(&:zero?)
  dates = country_cases.reject { |_k, v| v.zero? }.keys
  data = []

  # TODO: Refactor
  # Returns array of days.to_i from the date param
  dates = dates.map do |date|
    date.split('/')
  end.select do |date|
    date.last == @date.last
  end.select do |date|
    date.first == @date.first
  end.map do |array|
    array[1]
  end.map(&:to_i).last(positive_cases_figures.count)

  # Arranges dates and figures in [x,y] for histogram
  # With x being day, y being number of cases
  if dates.empty?
    if @date.first.to_i > Time.now.month
      msgs = [
        'Seriously...??! 😏', 'Did you just check the future??',
        'You just checked the future Morgan.',
        'Knowing too much of your future is never a good thing.'
      ]

      Kovid.info_table(msgs.sample)
    else
      Kovid.info_table('Check your spelling/No infections for this month.')
    end

  else
    dates.each_with_index do |val, index|
      data << [val, positive_cases_figures[index]]
    end
    y_range = Kovid::AsciiCharts::Cartesian.new(
      data, bar: true, hide_zero: true
    ).y_range

    last_two_y = y_range.last 2
    y_interval = last_two_y.last - last_two_y.first

    scale("Scale on Y: #{y_interval}:#{(
      y_interval / last_two_y.last.to_f * positive_cases_figures.last
    ).round(2) / y_interval}")

    puts 'Experimental feature, please report issues.'

    AsciiCharts::Cartesian.new(data, bar: true, hide_zero: true).draw
  end
end

#history(data, days) ⇒ Object 



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# File 'lib/kovid/historians.rb', line 8

def history(data, days)
  rows = history_rows(data, days)

  if rows.size > ADD_FOOTER_SIZE
    rows << FOOTER_LINE_FOUR_COLUMNS
    rows << DATE_CASES_DEATHS_RECOVERED
  end

  Terminal::Table.new(
    title: data['country']&.upcase,
    headings: DATE_CASES_DEATHS_RECOVERED,
    rows: rows
  )
end

#history_us_state(data, days) ⇒ Object 



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# File 'lib/kovid/historians.rb', line 23

def history_us_state(data, days)
  rows = history_rows(data, days)

  if rows.size > ADD_FOOTER_SIZE
    rows << FOOTER_LINE_THREE_COLUMNS
    rows << DATE_CASES_DEATHS 
  end

  Terminal::Table.new(
    title: data['state']&.upcase,
    headings:  DATE_CASES_DEATHS,
    rows: rows
  )
end