For agenda a custom theme can be configured in locations/theme.
Templates are read from the subdirectory "templates/<theme>/". The
default theme is "default". All Templates are moved to
templates/default.
When retrieving individual events, the previous and the following event are determined
according to the current filters to allow navigation between events.
After the end of a show, the audio recordings are uploaded to a
directory "listen_dir" under a secret name, beginning with the
transmission date "yyyy-mm-dd hh_mm". The directory is available as URL
"listen_url", but must not be listable. In order to gain access to the
recording for 7 days after the show, a check is done to determine
whether the file is available. A random key for the show is stored in
the database if a file matching the date is found in listen_dir. With
this key as a name, a symbolic link to the original audio file is
created. The random name can be used in public documents. If the show
data is read again, the key will be retrieved from the database. File
access can be restricted by the Apache2 handler ListenerAccess.pm. With
it, access to the public symlink is possible for one week.
