This function is only called in cases where user_profile isn't None,
and the code reads better if we just check that first rather than
checking it on every line that accesses user_profile.
This allows the frontend to fetch data on the subscribers list (etc.)
for streams where the user has never been subscribed, making it
possible to implement UI showing details like subscribe counts on the
subscriptions page.
This is likely a performance regression for very large teams with
large numbers of streams; we'll want to do some testing to determine
the impact (and thus whether we should make this feature only fully
enabled for larger realms).
There were a bunch of authorization and well-formedness checks in
zerver.lib.actions.do_update_message that I moved to
zerver.views.messages.update_message_backend.
Reason: by convention, functions in actions.py complete their actions;
error checking should be done outside the file when possible.
Fixes: #1150.
This is controlled through the admin tab and a new field in the Realms table.
Notes:
* The admin tab setting takes a value in minutes, whereas the backend stores it
in seconds.
* This setting is unused when allow_message_editing is false.
* There is some generosity in how the limit is enforced. For instance, if the
user sees the hovering edit button, we ensure they have at least 5 seconds to
click it, and if the user gets to the message edit form, we ensure they have
at least 10 seconds to make the edit, by relaxing the limit.
* This commit also includes a countdown timer in the message edit form.
Resolves#903.
This is controlled through the admin tab and a new field in the Realms
table. This mirrors the behavior of the old hardcoded setting
feature_flags.disable_message_editing. Partially resolves#903.
Originally this cache was used to transmit data from Django to Tornado
(and also for general message caching purposes), but now nothing
actually reads from this cache, so we can eliminate it.
The functions truncate_content, truncate_body and truncate_topic
are only meant to be used on text strings. So change its
parameter types from AnyStr to text_type.
Change choices of UserProfile.avatar_sources and UserProfile.tutorial_status
from str literals to unicode literals. This is done because these fields
are CharFields, which are of type `six.text_type`. So the set of values
which they can take should also be of the type `six.text_type`.
Also fix clashing annotations.
str_utils.py has functions for converting strings from one type to
another. It also has a TypeVar called NonBinaryStr, which is like AnyStr
except that it doesn't allow bytes.
[Substantially revised by tabbott]
This probably still has some bugs in it, but having mostly complete
annotations for models.py will help a lot for the annotations folks
are adding to other files.
In function bulk_add_subscriptions, some variables were named
`stream_name` but their type is Stream, not a string. Rename
those variables to `stream`.