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831 florian 1
<?php
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if(!defined("PHORUM_ADMIN")) return;
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// Create tables for the new PM system.
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$upgrade_queries[]= "CREATE TABLE {$PHORUM["pm_messages_table"]} (
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    pm_message_id int(10) unsigned NOT NULL auto_increment,
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    from_user_id int(10) unsigned NOT NULL default '0',
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    from_username varchar(50) NOT NULL default '',
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    subject varchar(100) NOT NULL default '',
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    message text NOT NULL default '',
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    datestamp int(10) unsigned NOT NULL default '0',
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    meta mediumtext NOT NULL default '',
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    PRIMARY KEY (pm_message_id)
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) TYPE=MyISAM";
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$upgrade_queries[] = "CREATE TABLE {$PHORUM["pm_folders_table"]} (
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    pm_folder_id int(10) unsigned NOT NULL auto_increment,
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    user_id int(10) unsigned NOT NULL default '0',
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    foldername varchar(20) NOT NULL default '',
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    KEY user_id (user_id),
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    PRIMARY KEY (pm_folder_id)
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) TYPE=MyISAM";
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$upgrade_queries[] = "CREATE TABLE {$PHORUM["pm_xref_table"]} (
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    pm_xref_id int(10) unsigned NOT NULL auto_increment,
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    user_id int(10) unsigned NOT NULL default '0',
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    pm_folder_id int(10) unsigned NOT NULL default '0',
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    special_folder varchar(10),
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    pm_message_id int(10) unsigned NOT NULL default '0',
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    read_flag tinyint(1) NOT NULL default '0',
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    reply_flag tinyint(1) NOT NULL default '0',
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    PRIMARY KEY (pm_xref_id),
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    KEY xref (user_id,pm_folder_id,pm_message_id),
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    KEY read_flag (read_flag)
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) TYPE=MyISAM";
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// converting the old PM system to the new one.
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$old_table = "{$PHORUM['DBCONFIG']['table_prefix']}_private_messages";
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$res=mysql_query("SELECT * FROM $old_table");
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while($row=mysql_fetch_assoc($res))
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{
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    // Put the message in the message table.
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    $meta = serialize(array(
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        'recipients' => array(
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            $row["to_user_id"] => array (
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                'user_id' => $row["to_user_id"],
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                'username' => $row["to_username"],
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                'read_flag' => $row["read_flag"],
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            )
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        )
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    ));
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    $sql = "INSERT INTO {$PHORUM["pm_messages_table"]} SET " .
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           "pm_message_id = {$row["private_message_id"]}, " .
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           "from_user_id = {$row["from_user_id"]}, " .
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           "from_username = '" . addslashes($row["from_username"]) . "', " .
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           "subject = '" . addslashes($row['subject']) . "', " .
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           "message = '" . addslashes($row['message']) . "', " .
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           "datestamp = {$row["datestamp"]}, " .
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           "meta = '" . addslashes($meta) . "'";
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    $upgrade_queries[] = $sql;
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    // Link message to recipient inbox.
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    if (! $row["to_del_flag"]) {
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        $sql = "INSERT INTO {$PHORUM["pm_xref_table"]} SET " .
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               "user_id = {$row["to_user_id"]}, " .
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               "pm_folder_id = 0, " .
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               "special_folder = '" . PHORUM_PM_INBOX . "', " .
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               "pm_message_id = {$row["private_message_id"]}, " .
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               "read_flag = {$row["read_flag"]}, " .
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               "reply_flag = {$row["reply_flag"]}";
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        $upgrade_queries[] = $sql;
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    }
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    // Link message to sender outbox.
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    if (! $row["from_del_flag"]) {
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        $sql = "INSERT INTO {$PHORUM["pm_xref_table"]} SET " .
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               "user_id = {$row["from_user_id"]}, " .
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               "pm_folder_id = 0, " .
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               "special_folder = '" . PHORUM_PM_OUTBOX . "', " .
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               "pm_message_id = {$row["private_message_id"]}, " .
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               "read_flag = 1, " .
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               "reply_flag = 0";
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        $upgrade_queries[] = $sql;
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    }
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}
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?>