Allow users to see their own private messages even if they don't have
mod/forum:readprivatereplies capability
Add behat test to avoid MDL-67109 issue.
Co-authored-by: Martin Putzlocher <mputzi@users.noreply.github.com>
When a student post exceeds the posting threshold
block then 'Add discussion topic' button should not be shown.
Also the student cannot reply to a topic if this is exceeded.
In a Single Simple Discussion forum, the first post can only be edited
by a user with the manageactivities capability, but all other posts
behave as normal.
This patch adds new capabilities:
'mod/forum:postprivatereply' - whether a user is able to post private replies; and
'mod/forum:readprivatereplies' - whether a user is able to read private replies.
Private replies are only visible to the intended recipient (the author of
the parent post), the author of the private reply, and those with the
ability to read private replies.
If a post is private then it cannot be replied to further.
Wolfgang Hummel