# -*-coding:utf-8 -*-
# 组件卸载时执行的脚本
from dataInterface.functions import CFunction
from dataInterface.db.params import CPgSqlParam


def uninstall():
    # 组件卸载动作
    # 1. 删除任务
    remove_task()
    # 2.删除数据库schema
    uninstall_db_schema()
    # 3. 删除kafka topic
    delete_kafka_topic()
    # 4. 其他操作等


def remove_task():
    """
    组件批量注销任务
    """
    from appManager.module.global_api import ComponentHelper
    ch = ComponentHelper('demo')
    ch_ret = ch.remove_task()


def uninstall_db_schema():
    ''' 删除数据库schema '''
    try:
        sql = CPgSqlParam("drop schema if exists demo cascade")
        CFunction.execute(sql)
    except Exception as e:
        raise e
        # logger.error("delete data schema fail! reason: %s" % e)

def delete_kafka_topic():
    from appsUtils.kafkaUtil import KAFKA_API
    api = KAFKA_API()
    api. delete_topic('topic_name')