Class: MyWeatherForecast

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

Overview

This gem is a wrapper of the forecast_io gem SI explained: en.wikipedia.org/wiki/SI_derived_unit

Defined Under Namespace

Classes: Daily, Hourly

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(*location, api_key: nil, units: :auto, timeout: 3, symbols: true) ⇒ MyWeatherForecast

Returns a new instance of MyWeatherForecast.



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# File 'lib/myweatherforecast.rb', line 20

def initialize(*location, api_key: nil, units: :auto, timeout: 3, \
                                                             symbols: true)
  lat, lon = if location[0].is_a? Array then
  
    location[0]
    
  elsif location.any?
    
    results = Geocoder.search(location.first)
    return puts 'location not found' unless results.any?
    results[0].coordinates
    
  else
    
    h = JSON.parse open('http://jsonip.com/').read
    Geocoder.configure(timeout: timeout)
    results = Geocoder.search(h['ip'])
    return puts 'could not determine location from IP address' unless \
                                                                 results.any?
    results[0].coordinates
                            
  end        

  ForecastIO.api_key = api_key

  params = { units: units.to_s }
  @forecast = ForecastIO.forecast(lat, lon, params: params)

  autounits = @forecast['flags']['units']
  
  @tlabel = if symbols then
    autounits == 'us' ? '°F' : '°C'
  else
    autounits == 'us' ? 'degrees Farenheit' : 'degrees Celcius'
  end
  
  @coordinates = [lat, lon]
  @symbols = symbols

end

Instance Attribute Details

#coordinates ⇒ Object (readonly)

Returns the value of attribute coordinates.



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# File 'lib/myweatherforecast.rb', line 18

def coordinates
  @coordinates
end

Instance Method Details

#days ⇒ Object

e.g. require ‘myweatherforecast’

w = MyWeatherForecast.new api_key: ‘465xxxxxxxxxxxxxx76ea01cbff4’ puts w.days.take 3

Fri: 8° - 14°, Mostly cloudy throughout the day. Sat: 6° - 13°, Light rain until afternoon. Sun: 5° - 12°, Mostly cloudy throughout the day.



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# File 'lib/myweatherforecast.rb', line 293

def days()
  (@forecast['daily']['data'].length).times.map {|n| Daily.new(@forecast, @tlabel, n) }
end

#friday ⇒ Object Also known as: fri 



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# File 'lib/myweatherforecast.rb', line 328

def friday()    day :friday    end

#hours ⇒ Object 



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# File 'lib/myweatherforecast.rb', line 297

def hours()
  
  len = @forecast['hourly']['data'].length
  len.times.map {|i| Hourly.new @forecast, @tlabel, i}

end

#monday ⇒ Object Also known as: mon 



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# File 'lib/myweatherforecast.rb', line 324

def monday()    day :monday    end

#next_3days ⇒ Object 



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# File 'lib/myweatherforecast.rb', line 340

def next_3days()
  
  days().take(4)[1..-1].map do |x|
    "%s: %s - %s %s" % [x.time.strftime("%a"), x.tempmin, x.tempmax, x.summary]
  end.join("\n")    
  
end

#next_5days ⇒ Object 



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# File 'lib/myweatherforecast.rb', line 348

def next_5days()
  
  days().take(6)[1..-1].map do |x|
    "%s: %s %s" % [x.time.strftime("%a"), x.tempmax, x.summary]  
  end.join("\n")

end

#now ⇒ Object Also known as: currently 



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# File 'lib/myweatherforecast.rb', line 304

def now()
  Hourly.new(@forecast, @tlabel)
end

#saturday ⇒ Object Also known as: sat 



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# File 'lib/myweatherforecast.rb', line 329

def saturday()  day :saturday  end

#sunday ⇒ Object Also known as: sun 



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# File 'lib/myweatherforecast.rb', line 330

def sunday()    day :sunday    end

#thursday ⇒ Object Also known as: thu 



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# File 'lib/myweatherforecast.rb', line 327

def thursday()  day :thursday  end

#today ⇒ Object Also known as: this 



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# File 'lib/myweatherforecast.rb', line 308

def today()
  Daily.new(@forecast, @tlabel)
end

#tomorrow ⇒ Object 



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# File 'lib/myweatherforecast.rb', line 320

def tomorrow()    
  Daily.new(@forecast, @tlabel, 1)
end

#tonight ⇒ Object 



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# File 'lib/myweatherforecast.rb', line 314

def tonight()
  Daily.new(@forecast, @tlabel).night
end

#tuesday ⇒ Object Also known as: tue 



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# File 'lib/myweatherforecast.rb', line 325

def tuesday()   day :tuesday   end

#wednesday ⇒ Object Also known as: wed 



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# File 'lib/myweatherforecast.rb', line 326

def wednesday() day :wednesday end