def hasUserAddEditPermission(self):
        """
        Checks if the current user has privileges to access to the editing view.
        From Jira LIMS-1549:
           - Creation/Edit: Lab manager, Client Contact, Lab Clerk, Client Contact (for Client-specific SRTs)
        :returns: True/False
        """
        mtool = getToolByName(self, 'portal_membership')
        checkPermission = mtool.checkPermission
        # In bika_samplinground_workflow.csv there are defined the ModifyPortalContent statements. There is said that
        # client has ModifyPortalContent permission enabled, so here we have to check if the client satisfy the
        # condition wrote in the function's description
        if (checkPermission(ModifyPortalContent, self) or checkPermission(AddPortalContent, self)) \
                and 'Client' in api.user.get_current().getRoles():
            # Checking if the current user is a current client's contact
            userID = api.user.get_current().id
            contact_objs = self.getContacts()
            contact_ids = [obj.getUsername() for obj in contact_objs]
            if userID in contact_ids:
                return True
            else:
                return False
        return checkPermission(ModifyPortalContent, self) or checkPermission(AddPortalContent, self)