Hi all:

(Limesurvey 3.22.17+200525 here! )

I´m experimenting problems trying to download uploaded files from responses in my surveys.

First, I can't find anywhere the icon to download all the uploaded files at a time...
I found this:
bugs.limesurvey.org/view.php?id=15320
but I'm not sure if it means that the icon is missing from recent versions of Limesurvey.

I've tried first this way:

where:
surveyid=577546 (my survey id)
ResponseId=6 (a response with uploaded content)

This works great. One response at a time

Next test (multiple responses): It doesn't work
It seems to produce an error 500 but I haven't been able to debug so far.

Last test(all responses): (With empty argument for sResponseId)
It doesn't work, but looking at the github code:
github.com/LimeSurvey/LimeSurvey/blob/ma...n/responses.php#L803
seems to be valid for a full zip download


I would greatly appreciate if someone could test this in his/her own installation so I could tell if it is a local problem or a bug.

Thanks in advance and take care
Regards

I don't see the problem. Limesurvey seems to do what it is supposed to do, it downloads the files. However, one by one.

Does the manual state somewhere that you can download various files at the same time?

Hi:
When you are positioned in responses list view ("Show responses" button) you can select a group of responses with uploaded files and take an action for the whole group.

One of these available actions is "Download Files". Please, see pic. attached
The button press generates a call like the indicated above:
https://your-limesurvey/limesurvey/index.php?r=admin/responses/sa/actionDownloadfiles&surveyid=577546&sResponseId=6,12,19,21

This does not work for me, thats what I´m looking for help. I need to download hundreds of attached files so is hard to do one by one.

The single button for downloading all at a time is of interest because the method above is restricted by pagination, you can only select responses from a single page of view (100 elements max at a time).

The same problem is referenced here:
forums.limesurvey.org/forum/can-i-do-thi...uploaded-by-my-users

Anyway, I know this button has existed before because I've used it myself in the past.

I know I can get the files directly from the server, but they are named with hashes, and it's hard to "correlate" by hand.

Anyone knows a workaround?

Regards

OK, understood the problem now. Would need to test to see if this is a problem here as well or if it is only on your installation.

Since you read PHP, i think you can do plugin
gitlab.com/SondagesPro/ExportAndStats/downloadMyFiles

for sample

Else : yes you can update sResponseId to 1,2,3,4 i just check on 3LTS : seems to work.

Ok I finally could resolve the issue.
Once resolved, it result very obvious as usual

The problem is the size of the .zip generated with the query.

When the size of the response exceeds memory_limit parameter inside php.ini file, the response gets truncated silently.

I increased this limit for the time to download and restore afterwards, so...problem solved.

Thanks Denis and holch for answers an read

That's the code involved if any is interested: