Deprecation: #97787 - Severities of flash messages and reports deprecated

[sabbelasichon]

Deprecation: #97787 - Severities of flash messages and reports deprecated

https://docs.typo3.org/c/typo3/cms-core/master/en-us/Changelog/12.0/Deprecation-97787-SeveritiesOfFlashMessagesAndReportsDeprecated.html
.. include:: /Includes.rst.txt

.. _deprecation-97787-1655495192:

=========================================================================
Deprecation: #97787 - Severities of flash messages and reports deprecated

See :issue:97787

Description

With the introduction of :php:\TYPO3\CMS\Core\Type\ContextualFeedbackSeverity,
the existing severity constants of :php:\TYPO3\CMS\Core\Messaging\FlashMessage
and :php:\TYPO3\CMS\Reports\Status have been marked as deprecated.

Impact

Passing the constants as listed below to the constructor of
:php:\TYPO3\CMS\Core\Messaging\FlashMessage will trigger a deprecation level
log entry:

• :php:\TYPO3\CMS\Core\Messaging\FlashMessage::NOTICE
• :php:\TYPO3\CMS\Core\Messaging\FlashMessage::INFO
• :php:\TYPO3\CMS\Core\Messaging\FlashMessage::OK
• :php:\TYPO3\CMS\Core\Messaging\FlashMessage::WARNING
• :php:\TYPO3\CMS\Core\Messaging\FlashMessage::ERROR

Passing the constants as listed below to the constructor of
:php:\TYPO3\CMS\Reports\Status will trigger a deprecation level log entry:

• :php:\TYPO3\CMS\Reports\Status::NOTICE
• :php:\TYPO3\CMS\Reports\Status::INFO
• :php:\TYPO3\CMS\Reports\Status::OK
• :php:\TYPO3\CMS\Reports\Status::WARNING
• :php:\TYPO3\CMS\Reports\Status::ERROR

Affected installations

All installations with 3rd party plugins using the aforementioned constants are
affected.

Migration

Use the cases of the :php:\TYPO3\CMS\Core\Type\ContextualFeedbackSeverity enum.
The following cases are available:

• :php:\TYPO3\CMS\Core\Type\ContextualFeedbackSeverity::NOTICE
• :php:\TYPO3\CMS\Core\Type\ContextualFeedbackSeverity::INFO
• :php:\TYPO3\CMS\Core\Type\ContextualFeedbackSeverity::OK
• :php:\TYPO3\CMS\Core\Type\ContextualFeedbackSeverity::WARNING
• :php:\TYPO3\CMS\Core\Type\ContextualFeedbackSeverity::ERROR

.. index:: PHP-API, FullyScanned, ext:core

[helsner]

missing in the RST file:
\TYPO3\CMS\Core\Messaging\AbstractMessage

@sabbelasichon is there a quick way to migrate this with some existing alias mapping or similar?