spaceapid/handlers/root.go

package handlers

import (
	"encoding/json"
	"log"
	"net/http"

	"gitlab.hamburg.ccc.de/ccchh/spaceapid/types"
)

func Root(resp *types.SpaceAPIResponseV14) func(http.ResponseWriter, *http.Request) {
	return func(w http.ResponseWriter, r *http.Request) {
		// Check if GET method
		if r.Method != http.MethodGet {
			log.Println("Wrong METHOD from", r.RemoteAddr)
			w.Header().Set("Allow", http.MethodGet)
			w.WriteHeader(http.StatusMethodNotAllowed)
			return
		}

		// Serialize response
		response, err := json.Marshal(resp)
		if err != nil {
			log.Println("Failed to serialize JSON response:", err)
			w.WriteHeader(http.StatusInternalServerError)
			return
		}

		w.Header().Set("Access-Control-Allow-Origin", "*")
		w.Header().Set("Content-Type", "application/json; charset=utf-8")
		_, _ = w.Write(response)
	}
}