src/pyams_scheduler/zmi/scheduler.py
changeset 0 48483b0b26fa
child 2 7b56f247a0c4
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/pyams_scheduler/zmi/scheduler.py	Wed Mar 11 11:52:59 2015 +0100
@@ -0,0 +1,383 @@
+#
+# Copyright (c) 2008-2015 Thierry Florac <tflorac AT ulthar.net>
+# All Rights Reserved.
+#
+# This software is subject to the provisions of the Zope Public License,
+# Version 2.1 (ZPL).  A copy of the ZPL should accompany this distribution.
+# THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED
+# WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+# WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS
+# FOR A PARTICULAR PURPOSE.
+#
+from pyams_form.interfaces.form import IWidgetsSuffixViewletsManager
+from pyams_template.template import template_config
+from pyams_utils.date import format_datetime
+from pyams_utils.interfaces.zeo import IZEOConnection
+
+__docformat__ = 'restructuredtext'
+
+
+# import standard library
+import logging
+logger = logging.getLogger('PyAMS (scheduler)')
+
+from datetime import datetime
+
+# import interfaces
+from pyams_scheduler.interfaces import IScheduler, SCHEDULER_HANDLER_KEY
+from pyams_scheduler.zmi.interfaces import ISchedulerMenu
+from pyams_skin.interfaces import IInnerPage, IPageHeader
+from pyams_skin.interfaces.container import ITableElementEditor
+from pyams_skin.layer import IPyAMSLayer
+from pyams_zmi.interfaces.menu import IControlPanelMenu
+from pyams_zmi.layer import IAdminLayer
+from z3c.table.interfaces import IColumn, IValues
+from zope.component.interfaces import ISite
+
+# import packages
+import zmq
+from pyams_form.form import AJAXEditForm
+from pyams_pagelet.pagelet import pagelet_config
+from pyams_skin.container import ContainerView
+from pyams_skin.table import DefaultElementEditorAdapter, BaseTable, I18nColumn, TrashColumn, ActionColumn
+from pyams_skin.viewlet.menu import MenuItem
+from pyams_utils.adapter import adapter_config, ContextRequestViewAdapter
+from pyams_utils.registry import query_utility, get_utility
+from pyams_utils.traversing import get_parent
+from pyams_utils.url import absolute_url
+from pyams_viewlet.manager import viewletmanager_config
+from pyams_viewlet.viewlet import viewlet_config, Viewlet
+from pyams_zmi.form import AdminDialogEditForm, AdminDialogDisplayForm
+from pyams_zmi.view import AdminView
+from pyramid.url import resource_url
+from pyramid.view import view_config
+from z3c.form import field
+from z3c.table.column import GetAttrColumn
+from zope.interface import implementer, Interface
+
+from pyams_scheduler import _
+
+
+@adapter_config(context=(IScheduler, IAdminLayer, Interface), provides=ITableElementEditor)
+class SchedulerTableElementEditor(DefaultElementEditorAdapter):
+    """Scheduler table element editor"""
+
+    view_name = 'scheduler-tasks.html'
+    modal_target = False
+
+    @property
+    def url(self):
+        site = get_parent(self.context, ISite)
+        return resource_url(site, self.request, 'admin.html#{0}'.format(self.view_name))
+
+
+@viewlet_config(name='scheduler.menu', context=ISite, layer=IAdminLayer, manager=IControlPanelMenu,
+                permission='system.view', weight=10)
+@viewletmanager_config(name='scheduler.menu', context=ISite, layer=IAdminLayer)
+@implementer(ISchedulerMenu)
+class SchedulerMenuItem(MenuItem):
+    """Scheduler menu"""
+
+    label = _("Tasks scheduler")
+    icon_class = 'fa fa-fw fa-clock-o'
+    url = '#scheduler-tasks.html'
+
+
+class SchedulerTasksTable(BaseTable):
+    """Scheduler tasks table"""
+
+    id = 'scheduler_tasks_table'
+    title = _("Scheduled tasks")
+    cssClasses = {'table': 'table table-bordered table-striped table-hover table-tight datatable'}
+
+    @property
+    def data_attributes(self):
+        manager = query_utility(IScheduler)
+        attributes = super(SchedulerTasksTable, self).data_attributes
+        table_attrs = {'data-ams-location': absolute_url(manager, self.request),
+                       'data-ams-delete-target': 'delete-task.json'}
+        if 'table' in attributes:
+            attributes['table'].update(table_attrs)
+        else:
+            attributes['table'] = table_attrs
+        return attributes
+
+
+@adapter_config(name='name', context=(Interface, IAdminLayer, SchedulerTasksTable), provides=IColumn)
+class SchedulerTasksNameColumn(I18nColumn, GetAttrColumn):
+    """Scheduler tasks name column"""
+
+    _header = _("Name")
+    attrName = 'name'
+    weight = 10
+
+
+@adapter_config(name='settings', context=(Interface, IAdminLayer, SchedulerTasksTable), provides=IColumn)
+class SchedulerTasksSettingsColumn(ActionColumn):
+    """Scheduler tasks settings column"""
+
+    icon_class = 'fa fa-fw fa-edit'
+    icon_hint = _("Task settings")
+    url = 'settings.html'
+    target = None
+    modal_target = True
+
+    permission = 'system.view'
+    weight = 1
+
+
+@adapter_config(name='scheduler', context=(Interface, IAdminLayer, SchedulerTasksTable), provides=IColumn)
+class SchedulerTasksScheduleColumn(ActionColumn):
+    """Scheduler tasks schedule column"""
+
+    icon_class = 'fa fa-fw fa-calendar'
+    icon_hint = _("Schedule task")
+    url = 'schedule.html'
+    target = None
+    modal_target = True
+
+    permission = 'system.view'
+    weight = 2
+
+
+@adapter_config(name='run', context=(Interface, IAdminLayer, SchedulerTasksTable), provides=IColumn)
+class SchedulerTasksRunColumn(ActionColumn):
+    """Scheduler tasks run column"""
+
+    icon_class = 'fa fa-fw fa-play'
+    icon_hint = _("Run task")
+    url = 'run.html'
+    target = None
+    modal_target = True
+
+    permission = 'system.manage'
+    weight = 20
+
+
+@adapter_config(name='history', context=(Interface, IAdminLayer, SchedulerTasksTable), provides=IColumn)
+class SchedulerTasksHistoryColumn(ActionColumn):
+    """Scheduler tasks history column"""
+
+    icon_class = 'fa fa-fw fa-history'
+    icon_hint = _("Task run history")
+    url = 'history.html'
+    target = None
+    modal_target = True
+
+    permission = 'system.view'
+    weight = 30
+
+
+@adapter_config(name='trash', context=(Interface, IAdminLayer, SchedulerTasksTable), provides=IColumn)
+class SchedulerTasksTrashColumn(TrashColumn):
+    """Scheduler tasks trash column"""
+
+    icon_hint = _("Delete task")
+    permission = 'system.manage'
+
+
+@view_config(name='delete-task.json', context=IScheduler, request_type=IPyAMSLayer,
+             permission='system.manage', renderer='json', xhr=True)
+def delete_scheduler_task(request):
+    """Delete task from scheduler utility"""
+    translate = request.localizer.translate
+    name = request.params.get('object_name')
+    if not name:
+        return {'status': 'message',
+                'messagebox': {'status': 'error',
+                               'content': translate(_("No provided object_name argument!"))}}
+    if name not in request.context:
+        return {'status': 'message',
+                'messagebox': {'status': 'error',
+                               'content': translate(_("Given task name doesn't exist!"))}}
+    del request.context[name]
+    return {'status': 'success'}
+
+
+@adapter_config(context=(ISite, IAdminLayer, SchedulerTasksTable), provides=IValues)
+class SchedulerTasksValuesAdapter(ContextRequestViewAdapter):
+    """Scheduler tasks values adapter"""
+
+    @property
+    def values(self):
+        manager = query_utility(IScheduler)
+        if manager is not None:
+            return list(manager.values())
+        return ()
+
+
+@pagelet_config(name='scheduler-tasks.html', context=ISite, layer=IPyAMSLayer, permission='system.view')
+@implementer(IInnerPage)
+class SchedulerTasksView(AdminView, ContainerView):
+    """Scheduler tasks view"""
+
+    table_class = SchedulerTasksTable
+
+    def __init__(self, context, request):
+        super(SchedulerTasksView, self).__init__(context, request)
+
+
+@adapter_config(context=(ISite, IAdminLayer, SchedulerTasksView), provides=IPageHeader)
+class SchedulerTasksHeaderAdapter(ContextRequestViewAdapter):
+    """Scheduler tasks header adapter"""
+
+    icon_class = 'fa fa-fw fa-clock-o'
+    title = _("Tasks scheduler")
+    subtitle = _("Scheduled tasks")
+
+
+@viewlet_config(name='scheduler.properties.menu', context=ISite, layer=IAdminLayer,
+                manager=ISchedulerMenu, permission='system.view', weight=1)
+class SchedulerPropertiesMenuItem(MenuItem):
+    """Scheduler properties menu"""
+
+    label = _("Properties...")
+    url = 'properties.html'
+    modal_target = True
+
+    def get_url(self):
+        manager = query_utility(IScheduler)
+        return resource_url(manager, self.request, self.url)
+
+
+@pagelet_config(name='properties.html', context=IScheduler, layer=IPyAMSLayer, permission='system.view')
+class SchedulerPropertiesEditForm(AdminDialogEditForm):
+    """Scheduler properties edit form"""
+
+    @property
+    def title(self):
+        return self.context.__name__
+
+    legend = _("Update tasks scheduler properties")
+
+    fields = field.Fields(IScheduler).omit('__parent__', '__name__', 'tasks', 'history')
+    ajax_handler = 'properties.json'
+    edit_permission = 'system.manage'
+
+
+@view_config(name='properties.json', context=IScheduler, request_type=IPyAMSLayer,
+             permission='system.manage', renderer='json', xhr=True)
+class SchedulerPropertiesAJAXEditForm(AJAXEditForm, SchedulerPropertiesEditForm):
+    """Scheduler properties edit form, AJAX view"""
+
+
+@viewlet_config(name='scheduler.jobs.menu', context=ISite, layer=IAdminLayer,
+                manager=ISchedulerMenu, permission='system.view', weight=5)
+class SchedulerJobsMenuItem(MenuItem):
+    """Scheduler jobs menu"""
+
+    label = _("Active jobs...")
+    url = 'jobs.html'
+    modal_target = True
+
+    def get_url(self):
+        manager = query_utility(IScheduler)
+        return resource_url(manager, self.request, self.url)
+
+
+@pagelet_config(name='jobs.html', context=IScheduler, layer=IPyAMSLayer, permission='system.view')
+class SchedulerJobsDisplayForm(AdminDialogDisplayForm):
+    """Scheduler jobs display form"""
+
+    @property
+    def title(self):
+        return self.context.__name__
+
+    dialog_class = 'modal-large'
+    legend = _("Display scheduler active jobs")
+
+    fields = field.Fields(Interface)
+
+
+class SchedulerJobsTable(BaseTable):
+    """Scheduler jobs table"""
+
+    title = _("Scheduler jobs")
+    cssClasses = {'table': 'table table-bordered table-striped table-hover table-tight datatable'}
+    sortOn = None
+
+    @property
+    def data_attributes(self):
+        return {'table': {'data-ams-datatable-global-filter': 'false',
+                          'data-ams-datatable-info': 'false',
+                          'data-ams-datatable-sdom': "t<'dt-row dt-bottom-row'<'text-right'p>>",
+                          'data-ams-datatable-display-length': '20',
+                          'data-ams-datatable-pagination-type': 'bootstrap_prevnext'}}
+
+
+@adapter_config(name='name', context=(Interface, IAdminLayer, SchedulerJobsTable), provides=IColumn)
+class SchedulerJobNameColumn(I18nColumn, GetAttrColumn):
+    """Scheduler job name column"""
+
+    _header = _("Job name")
+    weight = 1
+
+    def getValue(self, obj):
+        return obj['name']
+
+
+@adapter_config(name='id', context=(Interface, IAdminLayer, SchedulerJobsTable), provides=IColumn)
+class SchedulerJobIdColumn(I18nColumn, GetAttrColumn):
+    """Scheduler job ID column"""
+
+    _header = _("ID")
+    weight = 10
+
+    def getValue(self, obj):
+        return obj['id']
+
+
+@adapter_config(name='trigger', context=(Interface, IAdminLayer, SchedulerJobsTable), provides=IColumn)
+class SchedulerJobTriggerColumn(I18nColumn, GetAttrColumn):
+    """Scheduler job trigger column"""
+
+    _header = _("Trigger")
+    weight = 20
+
+    def getValue(self, obj):
+        return obj['trigger']
+
+
+@adapter_config(name='next_run', context=(Interface, IAdminLayer, SchedulerJobsTable), provides=IColumn)
+class SchedulerJobNextRunColumn(I18nColumn, GetAttrColumn):
+    """Scheduler job next run column"""
+
+    _header = _("Next run")
+    weight = 30
+
+    def getValue(self, obj):
+        return format_datetime(datetime.utcfromtimestamp(obj['next_run']), request=self.request)
+
+
+@adapter_config(context=(IScheduler, IAdminLayer, SchedulerJobsTable), provides=IValues)
+class SchedulerJobsValuesAdapter(ContextRequestViewAdapter):
+    """Scheduler jobs values adapter"""
+
+    @property
+    def values(self):
+        handler = self.request.registry.settings.get(SCHEDULER_HANDLER_KEY, False)
+        if handler:
+            context = zmq.Context()
+            socket = context.socket(zmq.REQ)
+            socket.connect('tcp://{0}'.format(handler))
+            socket.send_json(['get_jobs', {}])
+            return socket.recv_json()
+        else:
+            return ()
+
+
+@viewlet_config(name='scheduler-jobs', view=SchedulerJobsDisplayForm, layer=IAdminLayer,
+                manager=IWidgetsSuffixViewletsManager)
+@template_config(template='templates/scheduler-jobs.pt')
+class SchedulerJobsViewlet(Viewlet):
+    """Scheduler jobs viewlet"""
+
+    table = SchedulerJobsTable
+
+    def __init__(self, context, request, view, manager):
+        super(SchedulerJobsViewlet, self).__init__(context, request, view, manager)
+        self.table = SchedulerJobsTable(context, request)
+
+    def update(self):
+        super(SchedulerJobsViewlet, self).update()
+        self.table.update()