Class: GoogleWeather

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

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(opts = {:cs => [],:log => Logger.new(File.join(File.dirname(__FILE__),'..','..','log','wish_mailer.log'))}) ⇒ GoogleWeather

Returns a new instance of GoogleWeather.



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# File 'lib/feature/GoogleWeather.rb', line 4

def initialize(opts = {:cs => [],:log => Logger.new(File.join(File.dirname(__FILE__),'..','..','log','wish_mailer.log'))})
  # HangZhou
  # http://www.google.com/ig/api?hl=cn&weather=HangZhou
  # BeiJing
  # http://www.google.com/ig/api?hl=cn&weather=BeiJing
  @base_url = "http://www.google.com/ig/api?hl=cn&weather="
  @log = opts[:log] || Logger.new(File.join(File.dirname(__FILE__),'..','..','log','wish_mailer.log'))

  @citys = {}
  @log.info "Citys =>#{opts[:cs].inspect}"

  begin
    case opts[:cs]
    when Array
      opts[:cs].each{|c|@citys[c] = {:uri => URI.parse(@base_url+CGI.escape(c))}}
    when String
      @citys[opts[:cs]] = {:uri => URI.parse{@base_url+CGI.escape(cs)}}
    else
      raise ArgumentError,"Weather.new(citys) #citys couldn't nil,String or Array is ok."
    end
  rescue => e
    @log.error e.to_s
  end

  @log.info @citys.inspect
end

Instance Attribute Details

#citys ⇒ Object (readonly)

Returns the value of attribute citys.



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# File 'lib/feature/GoogleWeather.rb', line 2

def citys
  @citys
end

Instance Method Details

#fdata ⇒ Object 



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# File 'lib/feature/GoogleWeather.rb', line 49

def fdata
  report = []
  report << "Weather"
  report << "<br/>"*2
  
  report << "<table border='1'>"

  def format_table(* args)
    # args[0].to_s.center(15,'*') + '|' + args[1].to_s.center(20,'*') + '|' + args[2].to_s.center(10,'*') + '|' + args[3].to_s.center(10,'*') + '|' + args[4].to_s.center(15,'*')
    "<tr align='center'>" + args.inject(""){|result,x|result += "<td>#{x}</td>"} + "</tr>"
  end

  def icon_cell(src)
    "<img src=#{src}/>"
  end

  # header = format_table "City","day_of_week","Low","High","Condition"
  header = format_table("City","day_of_week","Low(℃)","High(℃)","Condition","")
  report << header

  try_time = 1

  begin
    @citys.each do |ct,obj|
      obj[:data]["xml_api_reply"]["weather"]["forecast_conditions"].each do |fc|
        report << format_table(ct,fc["day_of_week"]["data"],fc["low"]["data"].to_f.f2c.to_s[0..4],fc["high"]["data"].to_f.f2c.to_s[0..4],fc["condition"]["data"],icon_cell("'#{obj[:uri].scheme + "://" + obj[:uri].host + fc["icon"]["data"]}'"))
      end
    end
    @log.info report.inspect
  rescue NoMethodError => e
    @log.error e.to_s
    @log.info "Try #{try_time}(times)."
    self.get_weather
    (try_time+=1; retry) if(try_time <= 3)
  end

  report << "</table>"
  (report.join $/) + "<br/>"*4
end

#format_table(*args) ⇒ Object 



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# File 'lib/feature/GoogleWeather.rb', line 56

def format_table(* args)
  # args[0].to_s.center(15,'*') + '|' + args[1].to_s.center(20,'*') + '|' + args[2].to_s.center(10,'*') + '|' + args[3].to_s.center(10,'*') + '|' + args[4].to_s.center(15,'*')
  "<tr align='center'>" + args.inject(""){|result,x|result += "<td>#{x}</td>"} + "</tr>"
end

#get_weather ⇒ Object 



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# File 'lib/feature/GoogleWeather.rb', line 31

def get_weather
  @citys.each do |city,hobj|
    @log.debug "City=>#{city},URI=>#{hobj[:uri]}"
    begin
    Net::HTTP.start(hobj[:uri].host, hobj[:uri].port) {|http|
      response = http.get(hobj[:uri].request_uri)
      @log.info "Get Weather #{city} from Google...Patient"
      @log.info response.body
      @citys[city][:data] = Hash.from_xml(response.body)
    }
    rescue => e
      @log.error e.to_s
    end
  end

  @citys
end

#icon_cell(src) ⇒ Object 



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# File 'lib/feature/GoogleWeather.rb', line 61

def icon_cell(src)
  "<img src=#{src}/>"
end