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Do the updating as a DELETE+INSERT rather than UPDATE, but put it inside

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a transaction.  Also set default values for LAST-MODIFIED and DTSTAMP, at
least in our code.
This commit is contained in:
Andrew McMillan 2006-11-22 20:51:35 +13:00
parent e8556bc725
commit d79cbae2d9
1 changed files with 21 additions and 27 deletions
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48
inc/caldav-PUT.php
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@ -112,7 +112,7 @@ else {
header(sprintf('ETag: "%s"', (isset($bogus_etag) ? $bogus_etag : $etag) ) );
header("Content-length: 0");
$sql = ( $ic->tz_locn == '' ? '' : "SET TIMEZONE TO ".qpg($ic->tz_locn).";" );
$sql = "BEGIN;".( $ic->tz_locn == '' ? '' : "SET TIMEZONE TO ".qpg($ic->tz_locn).";" );
$dtstart = $ic->Get('dtstart');
if ( (!isset($dtstart) || $dtstart == "") && $ic->Get('due') != "" ) {
@ -129,37 +129,31 @@ else {
}
if ( $put_action_type == 'INSERT' ) {
$sql .= <<<EOSQL
$last_modified = $ic->Get("last-modified");
if ( !isset($last_modified) || $last_modified == '' ) {
$last_modified = gmdate( 'Ymd\THis\Z' );
}
$dtstamp = $ic->Get("dtstamp");
if ( !isset($dtstamp) || $dtstamp == '' ) {
$dtstamp = $last_modified;
}
if ( $put_action_type != 'INSERT' ) {
$sql .= "DELETE FROM calendar_item WHERE user_no=$path_user_no AND dav_name=".qpg($request_path).";";
}
$sql .= <<<EOSQL
INSERT INTO calendar_item (user_no, dav_name, dav_etag, uid, dtstamp, dtstart, dtend, summary, location, class, transp,
description, rrule, tz_id, last_modified, url, priority, created, due, percent_complete )
VALUES ( ?, ?, ?, ?, ?, ?, $dtend, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?);
COMMIT;
EOSQL;
$qry = new PgQuery( $sql, $path_user_no, $request_path, $etag, $ic->Get('uid'), $ic->Get('dtstamp'),
$ic->Get('dtstart'), $ic->Get('summary'), $ic->Get('location'),
$ic->Get('class'), $ic->Get('transp'), $ic->Get('description'), $ic->Get('rrule'), $ic->Get('tz_id'),
$ic->Get('last-modified'), $ic->Get('url'), $ic->Get('priority'), $ic->Get('created'),
$ic->Get('due'), $ic->Get('percent-complete')
);
$qry->Exec("PUT");
}
else {
$sql = <<<EOSQL
UPDATE calendar_item SET uid=?, dtstamp=?, dtstart=?, dtend=$dtend, summary=?, location=?, class=?, transp=?, description=?, rrule=?,
tz_id=?, last_modified=?, url=?, priority=?, dav_etag=?, due=?, percent_complete=?
WHERE user_no=? AND dav_name=?
EOSQL;
$qry = new PgQuery( $sql, $ic->Get('uid'), $ic->Get('dtstamp'), $ic->Get('dtstart'), $ic->Get('summary'),
$ic->Get('location'), $ic->Get('class'), $ic->Get('transp'), $ic->Get('description'), $ic->Get('rrule'),
$ic->Get('tz_id'), $ic->Get('last-modified'), $ic->Get('url'), $ic->Get('priority'), $etag,
$ic->Get('due'), $ic->Get('percent-complete'),
$path_user_no, $request_path );
$qry->Exec("PUT");
}
$qry = new PgQuery( $sql, $path_user_no, $request_path, $etag, $ic->Get('uid'), $dtstamp,
$ic->Get('dtstart'), $ic->Get('summary'), $ic->Get('location'),
$ic->Get('class'), $ic->Get('transp'), $ic->Get('description'), $ic->Get('rrule'), $ic->Get('tz_id'),
$last_modified, $ic->Get('url'), $ic->Get('priority'), $ic->Get('created'),
$ic->Get('due'), $ic->Get('percent-complete')
);
$qry->Exec("PUT");
dbg_error_log( "PUT", "User: %d, ETag: %s, Path: %s", $session->user_no, $etag, $request_path);
// Just ensure we exit without sending anything more.