65 lines
1.5 KiB
PHP
Executable file
65 lines
1.5 KiB
PHP
Executable file
<?php
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function LockIsActive($Table,$Id)
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{
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$Ret=1;
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global $GlobalMysqlHandler;
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global $GlobalLockAutoReleaseTime;
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$LockQuery="SELECT `LockId`, `LockTime` FROM `$Table` WHERE `Id` = $Id";
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$LockQuery=mysqli_query($GlobalMysqlHandler, $LockQuery);
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if ($LockQuery)
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{
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if (mysqli_num_rows($LockQuery))
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{
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$Lock = mysqli_fetch_array($LockQuery);
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if (!$Lock['LockId']
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|| ($Lock['LockId']==UserGetId())
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|| ($Lock['LockTime']<(time()-$GlobalLockAutoReleaseTime))
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)
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{ $Ret=0; }
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}
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else
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{ $Ret=0; }
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}
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else
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{ ErrorLog("[lock.php] Can not fetch lock fields in table \"$Table\" at id $Id"); }
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return $Ret;
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}
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function LockActivate($Table,$Id)
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{
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$Ret=0;
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global $GlobalMysqlHandler;
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if (!LockIsActive($Table,$Id))
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{
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$LockQuery="UPDATE `$Table` SET `LockId` = '".UserGetId()."', `LockTime` = '".time()."' WHERE `Id` =$Id";
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if (mysqli_query($GlobalMysqlHandler, $LockQuery))
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{ $Ret=1; }
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else
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{ ErrorLog("[lock.php] Can not update lock fields in table \"$Table\" at id $Id"); }
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}
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return $Ret;
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}
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function LockRelease($Table,$Id)
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{
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$Ret=0;
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global $GlobalMysqlHandler;
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if (!LockIsActive($Table,$Id))
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{
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$LockQuery="UPDATE `$Table` SET `LockId` = '0', `LockTime` = '0' WHERE `Id` =$Id";
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if (mysqli_query($GlobalMysqlHandler, $LockQuery))
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{ $Ret=1; }
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else
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{ ErrorLog("[lock.php] Can not update lock fields in table \"$Table\" at id $Id"); }
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}
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return $Ret;
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}
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?>
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