First implementation of new config format

- Functionally equivalent to old version at present
- Temperature and Humidity sensors not handled yet
- Moved HTTP handlers around

handlers/root.go

@@ -0,0 +1,35 @@
+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
+		}
+
+		// Respond with OK
+		w.Header().Set("Access-Control-Allow-Origin", "*")
+		w.Header().Set("Content-Type", "application/json")
+		w.WriteHeader(http.StatusOK)
+		_, _ = w.Write(response)
+	}
+}