From c840ddec9dfe368b44aebc3ddba9aefd81d1ef7a Mon Sep 17 00:00:00 2001
From: Mathilde Hertaas <maimh@stud.ntnu.no>
Date: Tue, 25 Feb 2025 14:19:34 +0100
Subject: [PATCH] first attempt of creating API-endpoint for retriving country
information based on country code
---
main.go | 61 ++++++++++++++++++++++++++++++++++++++++++++++++++++++---
1 file changed, 58 insertions(+), 3 deletions(-)
diff --git a/main.go b/main.go
index 6eb74fc..68626d8 100644
--- a/main.go
+++ b/main.go
@@ -1,16 +1,71 @@
package main
import (
+ "encoding/json"
"fmt"
"net/http"
+ "strings"
)
+// Struktur for å lagre data om landene
+type Country struct {
+ Name struct {
+ Common string `json:"common"`
+ Official string `json:"official"`
+ } `json:"name"`
+ Capital []string `json:"capital"`
+ Region string `json:"region"`
+ Languages map[string]string `json:"languages"`
+}
+
+// En funksjon som henter data fra det eksterne API-et ved landkode
+func getCountryDataByCode(countryCode string) (*Country, error) {
+ url := fmt.Sprintf("http://129.241.150.113:8080/v3.1/alpha/%s", countryCode)
+
+ resp, err := http.Get(url)
+ if err != nil {
+ return nil, err
+ }
+ defer resp.Body.Close()
+
+ var countries []Country
+ if err := json.NewDecoder(resp.Body).Decode(&countries); err != nil {
+ return nil, err
+ }
+
+ // Hvis vi ikke får noen treff
+ if len(countries) == 0 {
+ return nil, fmt.Errorf("country not found for code: %s", countryCode)
+ }
+
+ // Returner det første elementet i listen (siden vi forventer bare ett treff)
+ return &countries[0], nil
+}
+
func handler(w http.ResponseWriter, r *http.Request) {
- fmt.Fprintf(w, "Hello, Cloud Technologies!")
+ // Hent landkode fra path (for eksempel "/countryinfo/v1/info/NO")
+ parts := strings.Split(r.URL.Path, "/")
+ if len(parts) < 5 {
+ http.Error(w, "Invalid request format. Please use the format /countryinfo/v1/info/{countryCode}. Example: /countryinfo/v1/info/NO", http.StatusBadRequest)
+ return
+ }
+ countryCode := parts[4] // Landkoden er den 5. delen av pathen (fra 0)
+
+ // Hent data fra API ved landkode
+ country, err := getCountryDataByCode(countryCode)
+ if err != nil {
+ http.Error(w, fmt.Sprintf("Error retrieving data for country code: %s. Check if the country code is correct.\nExample: /countryinfo/v1/info/NO", err.Error()), http.StatusInternalServerError)
+ return
+ }
+
+ // Returner JSON-respons
+ w.Header().Set("Content-Type", "application/json")
+ json.NewEncoder(w).Encode(country)
}
func main() {
- http.HandleFunc("/", handler)
+ http.HandleFunc("/countryinfo/v1/info/", handler)
fmt.Println("Server running on port 8080...")
http.ListenAndServe(":8080", nil)
-}
\ No newline at end of file
+}
+// http://localhost:8080/countryinfo/v1/info/Norway
\ No newline at end of file
--
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