Ahenk/usr/share/ahenk/base/scheduler/custom/scheduledb.py

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2020-04-06 18:10:41 +03:00
#!/usr/bin/python3
# -*- coding: utf-8 -*-
# Author: İsmail BAŞARAN <ismail.basaran@tubitak.gov.tr> <basaran.ismaill@gmail.com>
from base.model.task_bean import TaskBean
from base.model.plugin_bean import PluginBean
from base.scope import Scope
class ScheduleTaskDB(object):
def __init__(self):
scope = Scope.get_instance()
self.logger = scope.get_logger()
self.db_service = scope.get_db_service()
def initialize(self):
self.logger.debug('Initializing scheduler database...')
self.db_service.check_and_create_table('schedule_task',
['id INTEGER PRIMARY KEY AUTOINCREMENT', 'task_id TEXT'])
self.logger.debug('Scheduler database is ok.')
def save(self, task):
self.logger.debug('Preparing schedule task for save operation... creating columns and values...')
cols = ['task_id']
values = [task.get_id()]
self.logger.debug('Saving scheduler task to db... ')
self.db_service.update('schedule_task', cols, values, None)
self.logger.debug('Scheduler task saved.')
def delete(self, task_id):
try:
self.logger.debug('Deleting schedule task. Task id=' + str(task_id))
self.db_service.delete('schedule_task', 'task_id=' + str(task_id))
self.logger.debug('Deleting schedule task deleted successfully. task id=' + str(task_id))
except Exception as e:
self.logger.error('Exception occur when deleting schedule task ' + str(e))
def load(self):
try:
self.logger.debug('Loading schedule tasks...')
rows = self.db_service.select('schedule_task')
tasks = list()
for row in rows:
tasks.append(self.get_task_by_id(row[1]))
self.logger.debug(
'Scheduled tasks are loaded successfully. Scheduled Tasks size is {0}'.format(str(len(tasks))))
return tasks
except Exception as e:
self.logger.error(
'Exception occurred while loading schedule tasks. Error Message: {0}'.format(str(e)))
def get_task_by_id(self, task_id):
self.logger.debug('Getting task from db.')
try:
db_task = self.db_service.select('task', criteria='id={0}'.format(task_id))[0]
return TaskBean(db_task[0], db_task[1], db_task[2], db_task[3], db_task[4], db_task[5],
self.get_plugin_by_id(db_task[6]), db_task[7], db_task[8])
except Exception as e:
self.logger.debug('A problem occurred while getting task by id. Error Message: {0}'.format(str(e)))
def get_plugin_by_id(self, plugin_id):
self.logger.debug('Getting plugin from db.')
db_plugin = self.db_service.select('plugin', criteria='id={0}'.format(plugin_id))[0]
return PluginBean(db_plugin[0], db_plugin[1], db_plugin[2], db_plugin[3], db_plugin[4], db_plugin[5],
db_plugin[6], db_plugin[7], db_plugin[8], db_plugin[11], db_plugin[9], db_plugin[10],
db_plugin[12])