Creating get and parser

main.go

+package main
+
+import (
+	"fmt"
+	"html"
+	"log"
+	"net/http"
+	"os"
+)
+
+//Server that prints halli
+
+func helloHandler(w http.ResponseWriter, r *http.Request) {
+	fmt.Fprintf(w, "Hello, %q", html.EscapeString(r.URL.Path))
+}
+
+func main() {
+	port := os.Getenv("PORT")
+	port = "8080"
+
+	if port == "" {
+		log.Fatal("$PORT must be set")
+	}
+
+	//This is code for tsting receiving get req
+	//From YT:Simple GET req example
+	//Get country by name
+	country := getCountryName()
+	fmt.Println("Country name is s%",country)
+
+
+	http.HandleFunc("/", helloHandler)
+
+	log.Fatal(http.ListenAndServe(":"+port, nil))
+}

main_test.go

+package main
+
+/*func TestMain(t *testing.T) {
+	want := "Hello, world."
+	if got := Hello(); got != want {
+		t.Errorf("Hello() = %q, want %q", got, want)
+	}
+}
+*/

webapp.go

+package main
+
+import (
+	"encoding/json"
+	"fmt"
+	"net/http"
+)
+
+const apiRoot = "https://restcountries.eu/rest/v2/alpha/"
+
+//We receive JSON code and we parse it
+//CntrInfo contains a response for restcountries endpoint
+type CntrInfo struct {
+	CallingCode int32 //"47"
+	Name string `json:"name"` //"country":"norway"
+	NameCode string //"NO"
+
+}
+//Should return the name Norway
+func getCountryName() string {
+    //Change hardcoded to func parameters "We pass them"
+	countryCode := "NO"
+
+	url := apiRoot + countryCode
+
+	//resp is json, so we need to parse it
+	resp, err := http.Get(url)
+
+
+
+	if err !=nil {
+		fmt.Println("Error:we have a problem", err)
+		return ""
+	}
+	//Closes when surrounded functions are finished
+	defer resp.Body.Close()
+
+	//Pointer to struct
+	ci := &CntrInfo{}
+
+	//resp.Body JSON
+	//NewDecoder returns a new decoder that reads from r
+    json.NewDecoder(resp.Body).Decode(ci)
+
+
+	return "ci.Name"
+}