[TYPO3-core] RFC: #10186: Time shifting (again) in datetime fields (followup to Bug#8746)

[Ingmar Schlecht]

Thanks, Ernesto!

I have committed this after reviewing, so it gets into the release.

cheers
Ingmar


Ernesto Baschny [cron IT] schrieb:
> This is an SVN patch request.
> 
> Type: Bugfix (critical before 4.2.4 release!)
> 
> Bugtracker reference:
> http://bugs.typo3.org/view.php?id=10186
> 
> Branches: TYPO3-4_2 and trunk
> 
> Problem(s):
> After fix for #8746, the behaviour from bug#7897 was re-introduced.
> 
> Solution:
> See attached patch. The newly introduced method
> convertClientTimestampToUTC() was calculating the offset to UTC using a
> incorrect reference date (the offset to UTC changes if the reference
> date is in DST). "timestamp" send to the method is a timestamp in
> seconds, while javascript "new Date(int)" expects a timestamp in
> milliseconds.
> 
> How-to-reproduce:
> Use the extension "user_datetest" for testing (see bug#8746).
> 
> Test the following:
> 1) create empty new record
> 
> 2) click on checkbox near "date/time" field to get current date+time (we
> are not in DST yet).
> 
> 3) change date to some date after the DST-switch (so some day in summer,
> say in June-2009).
> 
> 4) move focus away:
>   - expected: date time to stay as entered
>   - buggy: time shifts back 1 or 2 hours (if your client is in a region
> where DST applies and you are currently not in DST).
> 
> Now apply the patch and try it out again. Note: As the .js file is
> changed, you need to force your browser to reload them after patching
> (SHIFT-reload on Firefox, CTRL-reload on IE).
> 
> Cheers,
> Ernesto
> 
> 
> 


-- 
Ingmar Schlecht
TYPO3 Core Developer