Add hook that allows modules to alter voting permissions

The patch is clean, but IMHO this is out of the scope of the module.

I would suggest to implement that functionality at the widget level, showing the voting control only when needed. I am willing to move more interaction to the widget in the future, but definitely not for the actual 2.x stable branch.

Thinking this a little more, I notice this could help to achieve #554360: Disallow Voting on Your Own Content from another module, so re-opening this.

In the other side, I think we only want the hook declaration, I mean, not the hook implementation inside any of the modules.

It would be really great to be able to prevent users from voting on own content, so I hope this patch passes the test soon 8o)

+++ vud.module	17 Sep 2010 14:50:22 -0000
@@ -108,6 +110,46 @@ function vud_menu() {
+function vud_access($perm, $type, $content_id, $value, $tag, $account = NULL) {

This accidentally implements hook_access(), so changing the name would be better.

+++ vud.module	17 Sep 2010 14:50:22 -0000
@@ -108,6 +110,46 @@ function vud_menu() {
+  if (NULL === $user) {

minor bug here, the comparison if against $account variable.

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Any update on this?

I finally returned to this \o/. Committed to 6.x-3.x. Thanks for the patience here!

I have just changed the way of the hook, the behaviour now is deny access if:

• User do not have enough permissions to vote
• Some module decide to deny access

In other case, allow. IMHO that's more clear to read.

I have also made some tweaks here and there. Attaching the patch I am going to commit and the interdiff patch for people here since the last patch ;-)

Moving status to port(not sure if in exactly the same way) it to the 7.x version when possible.

sorry, forgot to attach the patches for convenience :-p

...and if anyone manages to put something together based on this that solves #1201938: How To: Disallow voting on your own content (script or unofficial sub-module or whatever), please post it here or there so we can finally close that one too. Thanx.

So, in Drupal 6 version, how can I deny voting on user's own content, can anyaone help me with this?

@vonderro: You can do it using hook_vud_access().

The attached patch is now on 7.x-1.x.

From commit message:

This is a backport of the original patch on #877392-18

The main difference here is that I am applying changes only on vud
module because of the plan(see #1360572).
The othe minor difference is about re-naming some variables to make it
D7-friendly.