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Merge pull request #652 from mexon/edited_timestamp 

items.php edited timestamp logic
This commit is contained in:
fermionic 2013-03-24 07:30:07 -07:00
parent 316b93f9e3 6edc52f78f
commit 04a255e393
1 changed files with 25 additions and 5 deletions
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30
include/items.php
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@ -1589,6 +1589,26 @@ function dfrn_deliver($owner,$contact,$atom, $dissolve = false) {
} }
/*
This function returns true if $update has an edited timestamp newer
than $existing, i.e. $update contains new data which should override
what's already there. If there is no timestamp yet, the update is
assumed to be newer. If the update has no timestamp, the existing
item is assumed to be up-to-date. If the timestamps are equal it
assumes the update has been seen before and should be ignored.
*/
function edited_timestamp_is_newer($existing, $update) {
if (!x($existing,'edited') || !$existing['edited']) {
return true;
}
if (!x($update,'edited') || !$update['edited']) {
return false;
}
$existing_edited = datetime_convert('UTC', 'UTC', $existing['edited']);
$update_edited = datetime_convert('UTC', 'UTC', $update['edited']);
return (strcmp($existing_edited, $update_edited) < 0);
}
/** /**
* *
* consume_feed - process atom feed and update anything/everything we might need to update * consume_feed - process atom feed and update anything/everything we might need to update
@ -2002,7 +2022,7 @@ function consume_feed($xml,$importer,&$contact, &$hub, $datedir = 0, $pass = 0)
// Update content if 'updated' changes // Update content if 'updated' changes
if(count($r)) { if(count($r)) {
if((x($datarray,'edited') !== false) && (datetime_convert('UTC','UTC',$datarray['edited']) !== $r[0]['edited'])) { if (edited_timestamp_is_newer($r[0], $datarray)) {
// do not accept (ignore) an earlier edit than one we currently have. // do not accept (ignore) an earlier edit than one we currently have.
if(datetime_convert('UTC','UTC',$datarray['edited']) < $r[0]['edited']) if(datetime_convert('UTC','UTC',$datarray['edited']) < $r[0]['edited'])
@ -2151,7 +2171,7 @@ function consume_feed($xml,$importer,&$contact, &$hub, $datedir = 0, $pass = 0)
// Update content if 'updated' changes // Update content if 'updated' changes
if(count($r)) { if(count($r)) {
if((x($datarray,'edited') !== false) && (datetime_convert('UTC','UTC',$datarray['edited']) !== $r[0]['edited'])) { if (edited_timestamp_is_newer($r[0], $datarray)) {
// do not accept (ignore) an earlier edit than one we currently have. // do not accept (ignore) an earlier edit than one we currently have.
if(datetime_convert('UTC','UTC',$datarray['edited']) < $r[0]['edited']) if(datetime_convert('UTC','UTC',$datarray['edited']) < $r[0]['edited'])
@ -2905,7 +2925,7 @@ function local_delivery($importer,$data) {
if(count($r)) { if(count($r)) {
$iid = $r[0]['id']; $iid = $r[0]['id'];
if((x($datarray,'edited') !== false) && (datetime_convert('UTC','UTC',$datarray['edited']) !== $r[0]['edited'])) { if (edited_timestamp_is_newer($r[0], $datarray)) {
// do not accept (ignore) an earlier edit than one we currently have. // do not accept (ignore) an earlier edit than one we currently have.
if(datetime_convert('UTC','UTC',$datarray['edited']) < $r[0]['edited']) if(datetime_convert('UTC','UTC',$datarray['edited']) < $r[0]['edited'])
@ -3080,7 +3100,7 @@ function local_delivery($importer,$data) {
// Update content if 'updated' changes // Update content if 'updated' changes
if(count($r)) { if(count($r)) {
if((x($datarray,'edited') !== false) && (datetime_convert('UTC','UTC',$datarray['edited']) !== $r[0]['edited'])) { if (edited_timestamp_is_newer($r[0], $datarray)) {
// do not accept (ignore) an earlier edit than one we currently have. // do not accept (ignore) an earlier edit than one we currently have.
if(datetime_convert('UTC','UTC',$datarray['edited']) < $r[0]['edited']) if(datetime_convert('UTC','UTC',$datarray['edited']) < $r[0]['edited'])
@ -3256,7 +3276,7 @@ function local_delivery($importer,$data) {
// Update content if 'updated' changes // Update content if 'updated' changes
if(count($r)) { if(count($r)) {
if((x($datarray,'edited') !== false) && (datetime_convert('UTC','UTC',$datarray['edited']) !== $r[0]['edited'])) { if (edited_timestamp_is_newer($r[0], $datarray)) {
// do not accept (ignore) an earlier edit than one we currently have. // do not accept (ignore) an earlier edit than one we currently have.
if(datetime_convert('UTC','UTC',$datarray['edited']) < $r[0]['edited']) if(datetime_convert('UTC','UTC',$datarray['edited']) < $r[0]['edited'])