Re: Changing event start date/time

Michael J Rubinsky wrote:

>>>>>>>> The results is an event that starts probably at day 0 in year 0. I
>>>>>>>> didn't scroll back that far, but the database entry for that event
>>>>>>>> says event_start = "0000-00-00 00:00:00".
>>>>>>>> The problem now is, as user your don't have a possibility to
>>>>>>>> resolve
>>>>>>>> your mistake, because you're unable to edit or remove this event.


> This should be fixed now in Git for the next bug fix release. I was able
> to reproduce it on Windows. The commit to fix it is here:
>
> https://github.com/horde/horde/commit/2ca61864fa1cfd3462baeec7de77c02fa2b66edd

I suppose this fix was included with the Kronolith 4.2.17 release? 
Because that same thing (event with empty aka 0000-00-00 start and end 
date in the database) is still happening here with the latest Kronolith 
release. One of our users really likes to create such events with empty 
start and end date, so we see that error on a regular basis.

With version 4.2.17, I was able to reproduce this with every browser I 
tried, not just Firefox on Windows. It happened with Firefox (47 and 45 
ESR), Internet Explorer 11, Vivaldi, and Chrome on a variety of OSes I 
tried (Windows, Linux, MacOS).

Steps to reproduce:

1) Create a new event in Kronolith, e.g. by clicking on tomorrow's date 
in the month view, and enter some details (e.g. tomorrow at 2 in the 
afternoon, with some title and description). Click the "Save" button.

2) Edit that new event by clicking on it, e.g. from the month view. Edit 
it to contain no start and end date, e.g. by doing <Tab> <Del> <Tab> 
<Tab> <Del> <Tab> <Tab> (I did this many times so I know the keyboard 
shortcuts by heart). Click on "Save".

No warning is issued, but the event is saved to the database with the 
new empty date.

While this is annoying but still somewhat harmless, things get really 
awry when you turn the event into a recurring event. Or more explicitly:

1) Create new event as before and save it.

2) While editing the new event, delete the start and end date as before. 
In the "Repeat" tab of the event, choose e.g. "repeat, weekly, every 
week on Thursday." Click on "Save".

This time, there is a warning in the lower right-hand corner that says 
"Failed to parse time string (-001W49)" and the form is still displayed. 
However, the changes _are_ saved to the database and create havoc.

For instance, if you now click "Cancel" on that overlay and then click 
on the event again, all you get is an endless spinner.

If you reload the page, no events from this calendar are displayed, just 
the "Failed to parse time string" error message still appears. There is 
no way around this, i.e. if you log out and log in again, the problem 
persists. You have to manually delete that event from the database. 
That's the really bad part here.


However, I am a bit surprised that - as per the previous fix - this is 
checked only on the client side. Shouldn't there be a server side check 
to make sure that events with invalid characteristics (such as missing 
date) will not be stored?


Jens

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