Class: Weather

Inherits:
DynamicContent
  • Object
show all
Defined in:
app/models/weather.rb

Constant Summary collapse

DISPLAY_NAME = 
'Weather'
UNITS = 
{
  'c' => 'Celsius',
  'f' => 'Fahrenheit'
}

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.form_attributes ⇒ Object

Weather needs a location. Also allow specification of units



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# File 'app/models/weather.rb', line 32

def self.form_attributes
  attributes = super()
  attributes.concat([:config => [:woeid, :units]])
end

Instance Method Details

#build_content ⇒ Object 



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# File 'app/models/weather.rb', line 11

def build_content
  require 'rss'
  require 'net/http'

  url = "http://weather.yahooapis.com/forecastrss?w=#{self.config['woeid']}&u=#{self.config['units']}"

  feed = Net::HTTP.get_response(URI.parse(url)).body

  rss = RSS::Parser.parse(feed, false, true)

  weather_data = rss.items.first
  sanitized_data = weather_data.description
  htmltext = HtmlText.new()
  htmltext.name = weather_data.title
  rawhtml = "<h1>#{rss.channel.title}</h1><i>#{weather_data.title}</i><p>#{sanitized_data}</p>"
  Rails.logger.debug rawhtml
  htmltext.data = ActionController::Base.helpers.sanitize(rawhtml, :tags => ['i', 'img', 'b', 'br', 'p', 'h1'])
  return [htmltext]
end

#woeid_must_exist ⇒ Object 



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# File 'app/models/weather.rb', line 37

def woeid_must_exist
  if !self.config.nil?  # had to add thius because rake dynamic_content:refresh was blowing up on nil object
    if self.config['woeid'].empty?
      errors.add(:woeid, 'must be specified')
    else
      data = []
      #begin
      woeid = URI.escape(self.config['woeid'])
      url = URI.escape("http://query.yahooapis.com/v1/public/yql?q=select * from geo.places where woeid = #{woeid} limit 1&format=json")
      uri = URI.parse(url)
      http = Net::HTTP.new(uri.host, uri.port)
      request = Net::HTTP::Get.new(uri.request_uri)
      response = http.request(request)
      if response.code == '200'  #ok
        json = response.body
        data = ActiveSupport::JSON.decode(json)
      end
      #rescue
      #  Rails.logger.debug("Yahoo not reachable @ #{url}.")
      #  return
      #end
      if data.empty? || data['query']['count'] == 0
        errors.add(:woeid, 'not valid')
      else
        results = data['query']['results']['place']
        info = results['name']
        info = info + ', ' + results['admin1']['content'] if !results['admin1']['content'].empty? if !results['admin1'].nil?
        info = info + ', ' + results['admin2']['content'] if !results['admin2']['content'].empty? if !results['admin2'].nil?
        info = info + ', ' + results['country']['content'] if !results['country']['content'].empty? if !results['country'].nil?
        self.config['name'] = info
      end
    end
  end
end