Login (#6)

Reviewed-on: phoenix/textsender-auth#6
Co-authored-by: phoenix <kundeng00@pm.me>
Co-committed-by: phoenix <kundeng00@pm.me>

internal/handler/utility.go

@@ -0,0 +1,21 @@
+package handler
+
+import (
+	"encoding/json"
+	"net/http"
+)
+
+func ExtractFromRequest(r *http.Request, reqItem interface{}) error {
+	err := json.NewDecoder(r.Body).Decode(&reqItem)
+	if err != nil {
+		return err
+	} else {
+		return nil
+	}
+}
+
+func RespondWithJson(w http.ResponseWriter, statusCode int, data interface{}) {
+	w.Header().Set("Content-type", "application/json")
+	w.WriteHeader(statusCode)
+	json.NewEncoder(w).Encode(data)
+}