This is a preparatory commit that will help to render the options
for the send-later modal separately. This is necessary to have
actual sending options if the user keeps the modal open.
This commit ensures that user-locale and 24-hour preferences are
respected in the message-scheduling modal. It also simplifies the
translation of text strings in the scheduling modal.
Available scheduling options and their time values, including whether
the options are allowed, are now calculated every time a user opens
the scheduling modal.
In order to achieve those things, additional interrelated fixes here
accomplish the following:
1. Modal-scheduling opts now have data- attributes containing
timestamps for the time a message will be scheduled to send.
2. With those timestamps in place, the logic for setting the
scheduled send-time is simplified.
3. There are no more `send_later_xxx` global variables in the
`schedule_send` module.
Fixes#25403.
Fixes#25340
This means that we now schedule the message simply after selecting
time if the message is valid.
Also, editing scheduled messages will now delete the scheduled
message and open compose with scheduled message.
This removes the HTML structure and CSS styles previously associated
with the element in the scheduling modal.
Preserving this all in its own commit in case it needs to be
restored.
This introduces a 'Custom time' link to the bottom of the scheduling
modal's options. Clicking on it pulls up the date picker.
Additionally, clicking on the 'Custom time' link, then clicking
elsewhere to close the time-picker, then subsequently clicking
'Custom time' again reveals the time-picker.
However, repeatedly clicking the 'Custom time' link while the
date-picker is already open will cause the date-picker to redraw
each time.
Daniil Fadeev
Karl Stolley
Aman Agrawal
Karl Stolley