fix:#36 fixed tests, naming, and removed old duplicated code

services/data-manager/service/db/dbEvents.go

@@ -18,6 +18,7 @@ package db
 
 import (
 	"fmt"
+	"github.com/google/uuid"
 	"github.com/pocketbase/pocketbase/daos"
 	"github.com/pocketbase/pocketbase/tools/types"
 	"htwkalender/data-manager/model"
@@ -138,11 +139,11 @@ func buildIcalQueryForModules(modulesUuid []string) dbx.Expression {
 	// following the pattern of only containing alphanumeric characters and dashes
 
 	for _, moduleUuid := range modulesUuid {
-		if !IsSafeIdentifier(moduleUuid) {
+		err := uuid.Validate(moduleUuid)
+		if err != nil {
 			slog.Warn("Module UUID is not safe: ", "moduleUuid", moduleUuid)
 			return dbx.HashExp{}
 		}
-
 	}
 
 	// build where conditions for each module