1c5681c79d
Sort arguments, methods. Add keyword arguments. Signed-off-by: Roberto Rosario <roberto.rosario.gonzalez@gmail.com>
153 lines
4.1 KiB
Python
153 lines
4.1 KiB
Python
from __future__ import unicode_literals
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from django.apps import apps
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from django.utils.encoding import force_text, python_2_unicode_compatible
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from celery.schedules import crontab
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from mayan.celery import app
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from .renderers import ChartJSLine
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@python_2_unicode_compatible
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class StatisticNamespace(object):
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_registry = {}
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@classmethod
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def get_all(cls):
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return list(cls._registry.values())
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@classmethod
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def get(cls, slug):
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return cls._registry[slug]
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def __init__(self, slug, label):
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self.slug = slug
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self.label = label
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self._statistics = []
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self.__class__._registry[slug] = self
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def __str__(self):
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return force_text(self.label)
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def add_statistic(self, klass, *args, **kwargs):
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statistic = klass(*args, **kwargs)
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statistic.namespace = self
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self._statistics.append(statistic)
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@property
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def statistics(self):
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return self._statistics
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@python_2_unicode_compatible
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class Statistic(object):
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_registry = {}
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renderer = None
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@staticmethod
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def purge_schedules():
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PeriodicTask = apps.get_model(
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app_label='djcelery', model_name='PeriodicTask'
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)
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StatisticResult = apps.get_model(
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app_label='mayan_statistics', model_name='StatisticResult'
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)
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queryset = PeriodicTask.objects.filter(
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name__startswith='mayan_statistics.'
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).exclude(name__in=Statistic.get_task_names())
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for periodic_task in queryset:
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crontab_instance = periodic_task.crontab
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periodic_task.delete()
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if crontab_instance and not crontab_instance.periodictask_set.all():
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# Only delete the interval if nobody else is using it
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crontab_instance.delete()
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StatisticResult.objects.filter(
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slug__in=queryset.values_list('name', flat=True)
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).delete()
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@classmethod
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def get(cls, slug):
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return cls._registry[slug]
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@classmethod
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def get_all(cls):
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return list(cls._registry.values())
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@classmethod
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def get_task_names(cls):
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return [task.get_task_name() for task in cls.get_all()]
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def __init__(self, slug, label, func, minute='*', hour='*', day_of_week='*', day_of_month='*', month_of_year='*'):
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self.slug = slug
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self.label = label
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self.func = func
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self.schedule = crontab(
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minute=minute, hour=hour, day_of_week=day_of_week,
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day_of_month=day_of_month, month_of_year=month_of_year,
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)
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app.conf.CELERYBEAT_SCHEDULE.update(
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{
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self.get_task_name(): {
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'task': 'mayan_statistics.tasks.task_execute_statistic',
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'schedule': self.schedule,
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'args': (self.slug,)
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},
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}
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)
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app.conf.CELERY_ROUTES.update(
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{
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self.get_task_name(): {
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'queue': 'statistics'
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},
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}
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)
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self.__class__._registry[slug] = self
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def __str__(self):
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return force_text(self.label)
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def execute(self):
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self.store_results(results=self.func())
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def get_chart_data(self):
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return self.renderer(data=self.get_results()).get_chart_data()
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def get_results(self):
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StatisticResult = apps.get_model(
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app_label='mayan_statistics', model_name='StatisticResult'
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)
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try:
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return StatisticResult.objects.get(slug=self.slug).get_data()
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except StatisticResult.DoesNotExist:
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return {'series': {}}
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def get_task_name(self):
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return 'mayan_statistics.task_execute_statistic_{}'.format(self.slug)
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def store_results(self, results):
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StatisticResult = apps.get_model(
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app_label='mayan_statistics', model_name='StatisticResult'
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)
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StatisticResult.objects.filter(slug=self.slug).delete()
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statistic_result, created = StatisticResult.objects.get_or_create(
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slug=self.slug
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)
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statistic_result.store_data(data=results)
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class StatisticLineChart(Statistic):
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renderer = ChartJSLine
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