Class: MeteoUB::Data

Inherits:
Object
  • Object
show all
Defined in:
lib/meteoub-gem.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(params = {}) ⇒ Data

Returns a new instance of Data.



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# File 'lib/meteoub-gem.rb', line 24

def initialize(params = {})
  @data_uri = URI(DATA_URL)
  parse if get
end

Instance Attribute Details

#data_uri ⇒ Object

Returns the value of attribute data_uri.



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# File 'lib/meteoub-gem.rb', line 9

def data_uri
  @data_uri
end

#datetime ⇒ Object

Returns the value of attribute datetime.



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# File 'lib/meteoub-gem.rb', line 12

def datetime
  @datetime
end

#humidity ⇒ Object

Returns the value of attribute humidity.



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# File 'lib/meteoub-gem.rb', line 15

def humidity
  @humidity
end

#max_wind_speed ⇒ Object

Returns the value of attribute max_wind_speed.



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# File 'lib/meteoub-gem.rb', line 20

def max_wind_speed
  @max_wind_speed
end

#max_wind_speed_km_h ⇒ Object

Returns the value of attribute max_wind_speed_km_h.



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# File 'lib/meteoub-gem.rb', line 21

def max_wind_speed_km_h
  @max_wind_speed_km_h
end

#precipitation ⇒ Object

Returns the value of attribute precipitation.



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# File 'lib/meteoub-gem.rb', line 19

def precipitation
  @precipitation
end

#pressure ⇒ Object

Returns the value of attribute pressure.



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# File 'lib/meteoub-gem.rb', line 14

def pressure
  @pressure
end

#rain ⇒ Object

Returns the value of attribute rain.



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# File 'lib/meteoub-gem.rb', line 18

def rain
  @rain
end

#raw_data ⇒ Object

Returns the value of attribute raw_data.



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# File 'lib/meteoub-gem.rb', line 10

def raw_data
  @raw_data
end

#sunrise ⇒ Object

Returns the value of attribute sunrise.



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# File 'lib/meteoub-gem.rb', line 16

def sunrise
  @sunrise
end

#sunset ⇒ Object

Returns the value of attribute sunset.



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# File 'lib/meteoub-gem.rb', line 17

def sunset
  @sunset
end

#temperature ⇒ Object

Returns the value of attribute temperature.



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# File 'lib/meteoub-gem.rb', line 13

def temperature
  @temperature
end

#windrose ⇒ Object

Returns the value of attribute windrose.



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# File 'lib/meteoub-gem.rb', line 22

def windrose
  @windrose
end

Instance Method Details

#get ⇒ Object 



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# File 'lib/meteoub-gem.rb', line 29

def get
  @raw_data = Net::HTTP.get(@data_uri).split("\n")
  true
rescue
  false
end

#parse ⇒ Object 



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# File 'lib/meteoub-gem.rb', line 36

def parse
  @datetime             = DateTime.strptime(@raw_data[0] + " " + @raw_data[1] + " UTC", "%d-%m-%y %k:%M %Z")
  @temperature          = @raw_data[2].to_f
  @pressure             = @raw_data[10].to_f
  @humidity             = @raw_data[7].to_f
  @sunrise              = parse_date(@raw_data[19])
  @sunset               = parse_date(@raw_data[20])
  @rain                 = @raw_data[22].to_i == 1
  @precipitation        = @raw_data[21].to_i
  @max_wind_speed       = @raw_data[12].to_f
  @max_wind_speed_km_h  = @max_wind_speed * 3.6
  @windrose             = parse_windrose(@raw_data[13].to_f)
end

#parse_date(date_raw) ⇒ Object 



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# File 'lib/meteoub-gem.rb', line 50

def parse_date(date_raw)
  hour, minutes = date_raw.split(":")
  if minutes == 60
    minutes = 0
    hour += 1
  end
  DateTime.strptime(@raw_data[0] + " #{hour}:#{minutes} UTC", "%d-%m-%y %k:%M %Z")
end

#parse_windrose(windrose_raw) ⇒ Object

cbc.riocean.com/wstat/012006rose.html



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# File 'lib/meteoub-gem.rb', line 60

def parse_windrose(windrose_raw)
  case(windrose_raw)
  when (0..11.25)
     return "N"
   when (11.26..33.75)
     return "NNE"
   when (33.76..56.25)
     return "NE"
   when (56.26..78.75)
     return "ENE"
   when (78.76..101.25)
     return "E"
   when (101.26..123.75)
     return "ESE"
   when (123.76..146.25)
     return "SE"
   when (146.26..168.75)
     return "SSE"
   when (168.76..191.25)
     return "S"
   when (191.16..213.75)
     return "SSW"
   when (213.76..236.25)
     return "SW"
   when (236.26..258.75)
     return "WSW"
   when (258.76..281.25)
     return "W"
   when (281.26..303.75)
     return "WNW"
   when (303.76..326.25)
     return "NW"
   when (326.26..348.75)
     return "NNW"
   when (348.76..360.0)
     return "N"
   else
     return "???"
  end
end

#save ⇒ Object 



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# File 'lib/meteoub-gem.rb', line 101

def save
  measure = Measure.new({:datetime => @datetime, :temperature => @temperature})
  measure.save
end