ryanahamilton opened a new pull request #8106: [AIRFLOW-7049] Persistent display/filtering of DAG status URL: https://github.com/apache/airflow/pull/8106 Seeks to resolve [[AIRFLOW-7049]](https://issues.apache.org/jira/browse/AIRFLOW-7049) by replacing the problematic "show/hide paused DAGs" toggle with a more robust status filter that saves and persists the user's selection. Status Filter:  In context of the DAGs (home) view:  Status logic: - The status filter is set to "all" by default. If the preexisting webserver variable `hide_paused_dags_by_default` is set to `True`, the default is "active". - The currently selected status will always be saved in `flask_session[FILTER_STATUS_COOKIE]`. Value of `all`, `active`, or `paused`. - A status param in the URL will always override and resave the cookie value. e.g. `/home?status=active` - If a user leaves the page and returns to `/home`, the last saved cookie value will be selected. Of note: - The status filter buttons include a number count correlating to the number of DAGs for each. - Status params are passed along within the pagination links - The `dags.html` diff is so large because I fixed a bunch of indentation while I was in there. Tests: - Added a view test to confirm URL parameter values are saving to cookie value. --- Make sure to mark the boxes below before creating PR: [x] - [ x ] Description above provides context of the change - [ x ] Unit tests coverage for changes (not needed for documentation changes) - [ x ] Commits follow "[How to write a good git commit message](http://chris.beams.io/posts/git-commit/)" - [ x ] Relevant documentation is updated including usage instructions. - [ x ] I will engage committers as explained in [Contribution Workflow Example](https://github.com/apache/airflow/blob/master/CONTRIBUTING.rst#contribution-workflow-example). --- In case of fundamental code change, Airflow Improvement Proposal ([AIP](https://cwiki.apache.org/confluence/display/AIRFLOW/Airflow+Improvements+Proposals)) is needed. In case of a new dependency, check compliance with the [ASF 3rd Party License Policy](https://www.apache.org/legal/resolved.html#category-x). In case of backwards incompatible changes please leave a note in [UPDATING.md](https://github.com/apache/airflow/blob/master/UPDATING.md). Read the [Pull Request Guidelines](https://github.com/apache/airflow/blob/master/CONTRIBUTING.rst#pull-request-guidelines) for more information.
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