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Preventing multiple votes on a survey?

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#1.    Preventing multiple votes on a survey?
fi2508
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I noticed you can vote more than once on a poll / survey... is there anyway to disable this?
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#2.    re: Preventing multiple votes on a survey?
dkwds
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i haven't come across any way myself. i would personally put the poll in the forum. There one can only vote once. However i'm sure somewhere out there there is a mod that restricts the user to voting a certain amount of times. I'll look around.




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aUsTiN
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If you're good with php coding, download the poll block for the Blend Portal System (http://phpbb-portal.com) which is a standalone phpBB so you cant use it directly, BUT there is codes for this. As it is coded 1 vote per user per poll.
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Telli
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You already have a poll check table in the database but it uses the user's ip to track them. If you attach your Survey block i will have a look I have mine coded to accept only one vote per ip per 30 days. If they have voted then they see the results in the block instead.




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The path of the righteous man is beset on all sides by the inequities of the selfish and the tyranny of evil men. Blessed is he, who in the name of charity and good will, shepherds the weak through the valley of darkness, for he is truly his brother's keeper and the finder of lost children. And I will strike down upon thee with great vengeance and furious anger those who would attempt to poison and destroy my brothers. And you will know my name is the Lord when I lay my vengeance upon thee. Ezekiel 25:17
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#5.    re: Preventing multiple votes on a survey?
JRSweets
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Here the default survey block.



Attached Files
block-Survey.zip (1.44 KB, Downloaded: 5234 Time(s))


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#6.    
Telli
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Here ya go...
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The path of the righteous man is beset on all sides by the inequities of the selfish and the tyranny of evil men. Blessed is he, who in the name of charity and good will, shepherds the weak through the valley of darkness, for he is truly his brother's keeper and the finder of lost children. And I will strike down upon thee with great vengeance and furious anger those who would attempt to poison and destroy my brothers. And you will know my name is the Lord when I lay my vengeance upon thee. Ezekiel 25:17
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#7.    re: Preventing multiple votes on a survey?
fi2508
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I uploaded that block, but now it seems to allow multiple voting straight after voting... whereas it used to make you wait a while... i checked it, and it does have '30' in the part where it asks for the number days.... help? icon_smile.gif
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#8.    re: Preventing multiple votes on a survey?
DjTom-i
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hi guys,

i started this also but did not finish yet...

maybe one of you mange this...

here is my code for the function in the index.php



function pollCollector($pollID, $voteID, $forwarder) {
    global $HTTP_COOKIE_VARS, $prefix, $db, $cookie;
    /* Fix for lamers that like to cheat on polls */
    if (empty($ip)) {
   $ip = $_SERVER["REMOTE_ADDR"];
    }
    $pollID = intval($pollID);
    $voteID = intval($voteID);
    $past = time()-1800000;
    $puid = $cookie[0];
    $db->sql_query("DELETE FROM ".$prefix."_poll_check WHERE time < '$past'");
    $row = $db->sql_fetchrow($db->sql_query("SELECT ip, user_id FROM ".$prefix."_poll_check WHERE (ip='$ip') OR (user_id='$puid') AND (pollID='$pollID')"));
    $user_id = $row['user_id'];
    $ips = $row['ip'];
    $ctime = time();
   if (($ip == $ips OR $row['user_id'] == $puid) AND $user_id != 0) {
   $voteValid = 0;
    }else{
   $db->sql_query("INSERT INTO ".$prefix."_poll_check (ip, user_id, time, pollID) VALUES ('$ip', '$puid', '$ctime', '$pollID')");
   $voteValid = "1";
    }
    /* Fix end */
    /* update database if the vote is valid */
    if($voteValid>0) {
        $db->sql_query("UPDATE ".$prefix."_poll_data SET optionCount=optionCount+1 WHERE pollID='$pollID' AND voteID='$voteID'");
        if ($voteID != "") {
       $db->sql_query("UPDATE ".$prefix."_poll_desc SET voters=voters+1 WHERE pollID='$pollID'");
       update_points(8);
        }
   Header("Location: $forwarder");
    } else {
        Header("Location: $forwarder");
    }
    /* a lot of browsers can't handle it if there's an empty page */
    echo "<html><head></head><body></body></html>";
}


u need also to add a field to the nuke_poll_check table


ALTER TABLE nuke_poll_check ADD user_id int(11) NOT NULL default '1';



there must be a little mistake in the code.

would be nice if someone checks it!!!

thx

tom-i
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#9.    
Telli
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Verfiy that you have a nuke_poll_check table.




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The path of the righteous man is beset on all sides by the inequities of the selfish and the tyranny of evil men. Blessed is he, who in the name of charity and good will, shepherds the weak through the valley of darkness, for he is truly his brother's keeper and the finder of lost children. And I will strike down upon thee with great vengeance and furious anger those who would attempt to poison and destroy my brothers. And you will know my name is the Lord when I lay my vengeance upon thee. Ezekiel 25:17
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#10.    Surevey not showing up on main page
Cirque
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I just installed the enhanced survey block and the surveys I had quit showing up and the ones I tried to add after also wouldnt show up. Using nuke 7.4 and chatserve 2.7 patchs. The edit polls and delete polls would show them still, but they did not show up on the main page, it would just say "there are no surveys' or something. The tables exist.

Any ideas?
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