doc/book/en/devrepo/repo/notifications.rst
author Julien Cristau <julien.cristau@logilab.fr>
Thu, 13 Jun 2013 12:01:23 +0200
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parent 8928 f5b40b66d36e
permissions -rw-r--r--
notification: use viewargs for notif_entity_updated instead of transaction_data Now that notifications use separate sessions, they can't rely on the original transaction_data being around, so pass the data through view arguments instead, so the notification view knows what changed on updated entities. Closes #2936180
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.. -*- coding: utf-8 -*-
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Notifications management
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========================
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CubicWeb provides a machinery to ease notifications handling. To use it for a
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notification:
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* write a view inheriting from
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  :class:`~cubicweb.sobjects.notification.NotificationView`.  The usual view api
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  is used to generated the email (plain text) content, and additional
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  :meth:`~cubicweb.sobjects.notification.NotificationView.subject` and
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  :meth:`~cubicweb.sobjects.notification.NotificationView.recipients` methods
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  are used to build the email's subject and
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  recipients. :class:`NotificationView` provides default implementation for both
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  methods.
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* write a hook for event that should trigger this notification, select the view
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  (without rendering it), and give it to
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  :func:`cubicweb.hooks.notification.notify_on_commit` so that the notification
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  will be sent if the transaction succeed.
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.. XXX explain recipient finder and provide example
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API details
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~~~~~~~~~~~
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.. autoclass:: cubicweb.sobjects.notification.NotificationView
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.. autofunction:: cubicweb.hooks.notification.notify_on_commit