40 lines
1.4 KiB
PHP
40 lines
1.4 KiB
PHP
<?php
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/**
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* Created by PhpStorm.
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* User: leanderschmedemann
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* Date: 27/03/2017
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* Time: 14:07
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*/
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require_once('includes.inc.php');
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$data = '';
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$error = 0;
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$values = null;
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$uid = $_GET['uid'];
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$length = $_GET['length'];
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$length = (($length === '0') || ($length && gettype(+$length) == 'integer')) ? +$_GET['length'] : 10;
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$database = new Database();
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$questions_count = $database->query('SELECT COUNT(*) FROM "Questions"')['data'][0]['count'];
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if($length == 0) {
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$error = 12101;
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} else if($length > $questions_count) {
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$error = 12102;
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$values = array($questions_count);
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} else {
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if($database->query('SELECT EXISTS (SELECT 1 FROM "Games" WHERE "ID" = $1)', array($uid)) == 't') {
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$database->query('DELETE FROM "Games" WHERE "ID" = $1', array($uid));
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}
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$database->query('INSERT INTO "Games" ("ID") VALUES ($1)', array($uid));
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for($i = 0; $i < $length; $i++) {
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do {
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$offset = rand(0, $questions_count-1);
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$question = $database->query('SELECT "ID" FROM "Questions" OFFSET $1 LIMIT 1', array($offset));
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$database->query('INSERT INTO "GamesQuestions" ("Games_ID", "Questions_ID") VALUES ($1, $2)',
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array($uid, $question));
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} while(pg_last_error != '');
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}
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}
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$response = Database::create_response($data, $error, $values);
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print $response;
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?>
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