Added basic weather fetching

cmd/client/weather.go

@@ -1,9 +1,34 @@
 package main
 
-import "sync"
+import (
+	"encoding/json"
+	"io/ioutil"
+	"log"
+	"net/http"
+)
 
-func getToday(wg *sync.WaitGroup, cfg *config) {
+func getCurrent(app *application) {
 
-	//	errMsg := "\nSorry, couldn't get today's weather. Perhaps you've been rate limited?"
+	lat := "lat=" + app.Config.Latitude
+	lon := "&lon=" + app.Config.Longitude
+	units := "&units=" + app.Config.Units
+	key := "&appid=" + app.Config.ApiKey
+	url := "https://pro.openweathermap.org/data/2.5/weather?" + lat + lon + units + key
 
+	res, err := http.Get(url)
+	if err != nil {
+		log.Println(err)
+	}
+	defer res.Body.Close()
+
+	body, err := ioutil.ReadAll(res.Body)
+	if err != nil {
+		log.Println(err)
+	}
+
+	err = json.Unmarshal(body, &app.Forecast)
+	if err != nil {
+		log.Println(err)
+	}
+	app.WaitGroup.Done()
 }