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pseudo: # classes model (classes.py) class classes (baseModel): ... @staticmethod def get_ids(user): """ Return a list of class IDs for a particular user Params: user: user object Returns: Array of Class IDs """ if user.role_id==2: # Teacher query = classes_teachers.select().where(classes_teachers.user_id==user.id) return [item.id for item in query] @staticmethod def redact(user, class_objects): """ Returns a filtered classes objects This filters classes that is only assigned to a particular user Params: user: user object class_objects: an array of peewee results classes objects Returns: class_objects[] """ def drop_invalid_class_ids(user, class_objects): valid = [] for item in class_objects: if class_objects.id in classes.get_ids(user): valid.append(item) return item filtered_classes = drop_invalid_class_ids(user, class_objects) return filtered_classes # users.py @web(API_PATH + '/users/<user_id>', GET) @requires_login('Admin', 'School Admin', 'Teacher') def single(request, user, user_id): ... pwClasses = classes_students.select()... pwClasses = classes.redact(user, pwClasses)
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