creating stacks using a user request

backend/middleware/middleware.go

@@ -6,6 +6,7 @@ import (
 	"fmt"
 	"net/http"
 
+	"github.com/charmbracelet/log"
 	"github.com/google/uuid"
 )
 
@@ -15,7 +16,7 @@ func CorsMiddleware(next http.Handler) http.Handler {
 		w.Header().Add("Access-Control-Allow-Headers", "*")
 
 		// Access-Control-Allow-Methods is often needed for preflight OPTIONS requests
-		w.Header().Add("Access-Control-Allow-Methods", "GET, POST, PUT, DELETE, OPTIONS")
+		w.Header().Add("Access-Control-Allow-Methods", "GET, POST, PUT, PATCH, DELETE, OPTIONS")
 
 		// The client makes an OPTIONS preflight request before a complex request.
 		// We must handle this and respond with the appropriate headers.
@@ -30,15 +31,19 @@ func CorsMiddleware(next http.Handler) http.Handler {
 
 const USER_ID = "UserID"
 
-func GetUserID(ctx context.Context) (uuid.UUID, error) {
+func GetUserID(ctx context.Context, logger *log.Logger, w http.ResponseWriter) (uuid.UUID, error) {
 	userId := ctx.Value(USER_ID)
 
 	if userId == nil {
+		w.WriteHeader(http.StatusUnauthorized)
+		logger.Warn("UserID not present in request")
 		return uuid.Nil, errors.New("context does not contain a user id")
 	}
 
 	userIdUuid, ok := userId.(uuid.UUID)
 	if !ok {
+		w.WriteHeader(http.StatusUnauthorized)
+		logger.Warn("UserID not of correct type")
 		return uuid.Nil, fmt.Errorf("context user id is not of type uuid, got: %t", userId)
 	}
 
@@ -87,3 +92,25 @@ func GetUserIdFromUrl(next http.Handler) http.Handler {
 		next.ServeHTTP(w, newR)
 	})
 }
+
+func GetPathParamID(logger *log.Logger, param string, w http.ResponseWriter, r *http.Request) (uuid.UUID, error) {
+	pathParam := r.PathValue(param)
+	if len(pathParam) == 0 {
+		w.WriteHeader(http.StatusBadRequest)
+
+		err := fmt.Errorf("%s was not present", param)
+		logger.Warn(err)
+		return uuid.Nil, err
+	}
+
+	uuidParam, err := uuid.Parse(pathParam)
+	if len(pathParam) == 0 {
+		w.WriteHeader(http.StatusBadRequest)
+
+		err := fmt.Errorf("could not parse param: %w", err)
+		logger.Warn(err)
+		return uuid.Nil, err
+	}
+
+	return uuidParam, nil
+}