How to forbid user to edit his own question?

Question

I have a problem, when experts answer a question, then user edits his question. Result - answer does not apply to question. Any ways to forbid user to edit his question after answer is posted?

Comments

great question, I've brought this up in the past. Even worse, is the fact that users can hide their own questions! This can really screw up a site. This is one of the features in Q2A that should be fixed, even if the developer has some reason for allowing editing of questions and hiding of questions. In my opinion, essentially, only Admins or some other higher level should be allowed to edit and hide questions. Regular users should  not be allowed to do any of this, though perhaps they should be provided a 15 minute window to edit their own question after it's  been posted.

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@osseonews: Totally agree!

Answer 1

I can see the point, but does this really happen in reality? It's hard to see the motivation from the questioners point of view.

Anyway, this can be implemented via a plugin which overrides the function qa_page_q_post_rules(...) - first it should call the base function to get the default result for $rules, and then set $rules['editable']=false in the cases it wants, before returning $rules.

Comments

Yes it's hard to image, but it happended. User was not happy with the answer, so he edited his question (actually erased content). So answer was like for nothing... Thanks for help. I'll try.

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I don't think you can ever underestimate what users will do in an application. Most sites provide for timed edit.

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Best to put it this way: the current feature offers virtually no benefit to users (even gidegreen says that in reality questioners have no benefit to edit), and yet carries a risk, so why build the feature in as a core?

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It would be great to have these option added to "admin/permissions".

+ Permissions for "Edit Questions"
+ Permissions for "Hiding Questions"

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Yeah, I think what should happen is that the user can edit their own question after some period of time. A user should never be allowed to edit the Title part of the question, since the title creates the URL and you have users editing questions they will be changing the URL also, which is bad for SEO and will cause other issues.

Alternatively, Q2A can create a permanent URL alias after a question is first submitted and this URL should not be changed unless done so by an admin.