diff options
-rw-r--r-- | weather.go | 65 |
1 files changed, 28 insertions, 37 deletions
@@ -12,7 +12,6 @@ import ( "io/ioutil" "log" "net/http" - "sort" ) const defid = "310118" @@ -34,24 +33,31 @@ var wkey = map[string]string{ type Response struct { BestFcst struct { - Location struct { - Days []Day `json:"Day"` + Forecast struct { + Location struct { + Days []Day `json:"Day"` + } } } } type Day struct { - DayValues WeatherParam - NightValues WeatherParam - TimeSteps struct { - TimeStep struct { - Time string `json:"@time"` - WeatherParams []WeatherParam + Date string `json:"@date"` + DayValues struct { + WeatherParameters WeatherParams + } + NightValues struct { + WeatherParameters WeatherParams + } + TimeSteps struct { + TimeStep []struct { + Time string `json:"@time"` + WeatherParameters WeatherParams } } } -type WeatherParam struct { +type WeatherParams struct { AQIndex float64 F float64 H float64 @@ -67,7 +73,7 @@ type WeatherParam struct { } func main() { - var j map[string]interface{} + var r Response var id string flag.Parse() @@ -77,7 +83,6 @@ func main() { id = defid } - // Use http.Client.Get as http.Get doesn't seem to handle TLS client := &http.Client{Transport: &http.Transport{}} resp, err := client.Get("https://www.metoffice.gov.uk/public/data/PWSCache/BestForecast/Forecast/" + id + ".json?concise=true") if err != nil { @@ -85,42 +90,28 @@ func main() { } defer resp.Body.Close() b, err := ioutil.ReadAll(resp.Body) - err = json.Unmarshal(b, &j) + err = json.Unmarshal(b, &r) if err != nil { log.Fatal(err) } - // TODO: make this cleaner, perhaps by pre-speccing the structs - days := j["BestFcst"].(map[string]interface{})["Forecast"].(map[string]interface{})["Location"].(map[string]interface{})["Day"].([]interface{}) - for _, d := range days { + for _, d := range r.BestFcst.Forecast.Location.Days { fmt.Printf("-----------------------------\n") - fmt.Printf("Date: %v\n", d.(map[string]interface{})["@date"]) + fmt.Printf("Date: %v\n", d.Date) fmt.Printf("\nDay weather:\n") - prettyWeather(d.(map[string]interface{})["DayValues"].(map[string]interface{})["WeatherParameters"].(map[string]interface{})) + prettyWeather(d.DayValues.WeatherParameters) fmt.Printf("\nNight weather:\n") - prettyWeather(d.(map[string]interface{})["NightValues"].(map[string]interface{})["WeatherParameters"].(map[string]interface{})) + prettyWeather(d.NightValues.WeatherParameters) fmt.Printf("\nTime steps:\n") - timesteps := d.(map[string]interface{})["TimeSteps"].(map[string]interface{})["TimeStep"].([]interface{}) - for _, t := range timesteps { - fmt.Printf("\nTime: %s\n", t.(map[string]interface{})["@time"]) - prettyWeather(t.(map[string]interface{})["WeatherParameters"].(map[string]interface{})) + for _, t := range d.TimeSteps.TimeStep { + fmt.Printf("\nTime: %s\n", t.Time) + prettyWeather(t.WeatherParameters) } } } -func prettyWeather(w map[string]interface{}) { - // TODO: choose what to show, and in what order, to have a compact output - var keys []string - for k, _ := range wkey { - keys = append(keys, k) - } - sort.Strings(keys) - - for _, k := range keys { - t, ok := w[k] - if ok { - fmt.Printf("%s: %v\n", wkey[k], t) - } - } +func prettyWeather(w WeatherParams) { + // TODO: Print weather nicely + fmt.Printf("%+v\n", w) } |