weather/app/models/ruling_weather_setting.rb

133 lines
5.5 KiB
Ruby

class RulingWeatherSetting
require "net/http"
require 'json'
include Mongoid::Document
include Mongoid::Timestamps
field :time_offset, type: String, default: "+8"
field :location, type: String, default: ""
field :dataid, type: String, default: ""
field :observatory_name, type: String, default: ""
has_one :ruling_weather_cache
def get_now_info(custom_location=nil,custom_dataid=nil,custom_observatory_name=nil)
time_now = DateTime.now.utc.new_offset(self.time_offset)
today = time_now.strftime("%Y-%m-%d")
host = "https://opendata.cwb.gov.tw"
custom_dataid = custom_dataid || self.dataid
url = "#{host}/api/v1/rest/datastore/#{custom_dataid}.json"
startt = "#{today}T00:00:00"
endt = "#{today}T23:59:59"
custom_location = custom_location || self.location
data = {"Authorization" => "CWB-00BEC353-89FA-4261-B830-5F8C38547CD0",
"timeFrom" => startt,
"timeTo" => endt,
"limit" => 1,
"locationName" => custom_location}
res = Net::HTTP.get_response(URI.parse("#{url}?#{data.to_query}"))
content = JSON.parse(res.body)
cahche_model = self.ruling_weather_cache
if cahche_model.nil?
cahche_model = RulingWeatherCache.create(:cache=>{},:ruling_weather_setting=>self)
end
cache = cahche_model.cache rescue {}
weather_data = get_weather_data(content) rescue {}
if (weather_data.count == 0 rescue true)
mint = cache["mint"].to_i
maxt = cache["maxt"].to_i
avgt = cache["avgt"].to_i
rain_rate = cache["rain_rate"].to_i
uvi = cache["uvi"].to_i
uvi_text = cache["uvi_text"].to_s
rh = cache["rh"].to_i
wx_text = cache["wx_text"].to_s
wx_code = cache["wx_code"].to_i
ws = cache["ws"].to_i
else
mint = get_element_value(weather_data["MinT"]).to_i #最低溫度(攝氏度)
maxt = get_element_value(weather_data["MaxT"]).to_i #最高溫度(攝氏度)
avgt = get_element_value(weather_data["T"]).to_i #平均溫度(攝氏度)
rain_rate = get_element_value(weather_data["PoP12h"]).to_i #降雨機率(百分比)
uvi = get_element_value(weather_data["UVI"],0).to_i #紫外線指數(數值)
uvi_text = get_element_value(weather_data["UVI"],1).to_s #紫外線指數(文字)
rh = get_element_value(weather_data["RH"]).to_i #相對溼度
wx_text = get_element_value(weather_data["Wx"],0).to_s #天氣現象(文字)
wx_code = get_element_value(weather_data["Wx"],1).to_i #天氣現象(編碼)
ws = get_element_value(weather_data["WS"]).to_i #風速(m/s)
end
if wx_code < 10
wx_code = "0" + wx_code.to_s
else
wx_code = wx_code.to_s
end
svg_type = "day"
if time_now.hour >= 18
svg_type = "night"
end
wx_svg = "/annc_url?url=https://www.cwb.gov.tw/V8/assets/img/weather_icons/weathers/svg_icon/#{svg_type}/#{wx_code}.svg"
custom_observatory_name = custom_observatory_name || self.observatory_name
data2 = {"Authorization" => "CWB-00BEC353-89FA-4261-B830-5F8C38547CD0",
"elementName" => "NOW",
"locationName" => custom_observatory_name}
rain = nil
if custom_observatory_name.present?
url2 = "https://opendata.cwb.gov.tw/api/v1/rest/datastore/O-A0002-001.json"
res2 = Net::HTTP.get_response(URI.parse("#{url2}?#{data2.to_query}"))
content2 = JSON.parse(res2.body)
weather_data2 = get_weather_data(content2) rescue {}
if (weather_data2.count == 0 rescue true)
rain = cache["rain"]
else
rain = weather_data2["NOW"]["elementValue"].to_f rescue 0.0
end
end
result = {"mint" => mint,
"maxt" => maxt,
"avgt" => avgt,
"rain_rate" => rain_rate,
"uvi" => uvi,
"uvi_text" => uvi_text,
"rh" => rh,
"wx_text" => wx_text,
"wx_svg" => wx_svg,
"ws" => ws,
"rain" => rain}
cahche_model.update(:cache=>result,:cache_time=>time_now)
if uvi_text.blank?
result["uvi_text"] = I18n.t("ruling_weather.none")
end
return result
end
def test
time_now = DateTime.now.utc.new_offset(self.time_offset)
today = time_now.strftime("%Y-%m-%d")
host = "https://opendata.cwb.gov.tw"
custom_dataid = custom_dataid || self.dataid
url = "#{host}/api/v1/rest/datastore/#{custom_dataid}.json"
startt = "#{today}T00:00:00"
endt = "#{today}T23:59:59"
custom_location = custom_location || self.location
data = {"Authorization" => "CWB-00BEC353-89FA-4261-B830-5F8C38547CD0",
"timeFrom" => startt,
"timeTo" => endt,
"limit" => 1,
"locationName" => custom_location}
res = Net::HTTP.get_response(URI.parse("#{url}?#{data.to_query}"))
content = JSON.parse(res.body)
weather_data = get_weather_data(content) rescue {}
end
def get_weather_data(content)
if content["records"]["locations"]
record_data = content["records"]["locations"][0]
else
record_data = content["records"]
end
location_record_data = record_data["location"][0]
weather_data = location_record_data["weatherElement"].map{|h| [h["elementName"] , h.except("elementName")]}.to_h
return weather_data
end
def get_element_value(element_info,idx=0)
return element_info["time"][0]["elementValue"][idx]["value"] rescue ""
end
def get_element_value_and_measures(element_info)
return (element_info["time"][0]["elementValue"][idx]["value"] + element_info["time"][0]["elementValue"][idx]["measures"].to_s) rescue ""
end
end