class S44_MyWeatherForecast

Public Class Methods

new(myweatherforecast=nil) click to toggle source

# File lib/s44_myweatherforecast.rb, line 8
def initialize(myweatherforecast=nil)
  @w = myweatherforecast
end

Public Instance Methods

afternoon() click to toggle source

# File lib/s44_myweatherforecast.rb, line 12
def afternoon()
  summary :afternoon
end

Also aliased as: this_afternoon

ahead(advance=2) click to toggle source

# File lib/s44_myweatherforecast.rb, line 16
def ahead(advance=2)
  self.method(@w.today.ahead(advance)).call
end

early_hours() click to toggle source

# File lib/s44_myweatherforecast.rb, line 22
def early_hours()
  summary :early_hours
end

evening() click to toggle source

# File lib/s44_myweatherforecast.rb, line 30
def evening()
  summary :evening
end

Also aliased as: this_evening

morning() click to toggle source

# File lib/s44_myweatherforecast.rb, line 26
def morning
  summary :morning
end

night()

Alias for: tonight

query(day=:tomorrow, desc='rain', time: false, times: false) click to toggle source

e.g. is it going to rain tomorrow? return an array of periods within the day of when it will rain or an empty array if there is no rain forecast

# File lib/s44_myweatherforecast.rb, line 37
def query(day=:tomorrow, desc='rain', time: false, times: false)

  r2 = %i(morning afternoon evening early_hours night).map do |x| 
    
    r = if times then
      query_period(day.to_sym, x, desc, single_result: false)
    else
      query_period(day.to_sym, x, desc)
    end
  
    next unless r
    
    if time then
      
      [x, [r.time, r.summary]]
      
    elsif times
      
      next if r.empty?
      [x, r.map {|y| [y.time, y.summary]}]
      
    else
      x
    end
  end
  
  r2.compact
  
end

query_period(day=:tomorrow, period=:afternoon, desc='rain', single_result: true) click to toggle source

# File lib/s44_myweatherforecast.rb, line 67
def query_period(day=:tomorrow, period=:afternoon, desc='rain', 
                 single_result: true)

  desc = 'drizzle|rain|snow|sleet' if desc =~ /rain/i
  obj_period = @w.method(day.to_sym).call.method(period.to_sym).call

  return if obj_period.nil?
  
  name = single_result ? :detect : :select
  
  obj_period.method(name).call {|x| x.to_s =~ /#{desc}/i }
  
end

this_afternoon()

Alias for: afternoon

this_evening()

Alias for: evening

tomorrow() click to toggle source

# File lib/s44_myweatherforecast.rb, line 83
def tomorrow()
  
  s = @w.tomorrow.to_s
  min, max, desc = s.match(/\w+:\s+([^ ]+) ([^,]+),\s+(.*)\.$/).captures    
  outlook('tomorrow', min, max, desc: desc)
  
end

tonight() click to toggle source

# File lib/s44_myweatherforecast.rb, line 91
def tonight()
  summary :night
end

Also aliased as: night

Private Instance Methods

outlook(t, min, max, desc: '') click to toggle source

# File lib/s44_myweatherforecast.rb, line 130
def outlook(t, min, max, desc: '')
  
  "The weather #{t}, #{desc.downcase} with a minimum temperature of #{min} " + 
      "celcius and a maximum temperature of #{max} celcius."    
end

summary(period) click to toggle source

# File lib/s44_myweatherforecast.rb, line 100
def summary(period)

  a = @w.this.method(period).call
  min, max = a.minmax_by {|x| x.temperature}.map(&:temperature)
  a.map(&:summary).uniq

  a2 = a.map(&:summary).uniq

  s2 = if a2.length < 2 then
    a2[0]
  elsif a2.length < 3 then
    a2.join ', but also '
  else
    "%s, but also %s" % [a2[0..-2].join(', '), a2[-1]]
  end


  t = case period
  when :night
    'tonight'
  when :early_hours
    'in the early hours'
  else
    'this ' + period.to_s
  end
  
  outlook(t, min, max, desc: s2)

end