public function handle()
{
global $ID;
global $INPUT;
$this->file = Projects_file::file($ID);
$old_text = $INPUT->post->str($this->old_input_name(), '');
$old = $this->split($old_text);
$new_text = $INPUT->post->str($this->new_input_name(), '');
$new = $this->split($new_text);
$diff = new Diff($old, $new);
$now = $this->now();
if ($new == $now) {
return "show";
}
if ($old != $now) {
$check = new Diff($old, $now);
$merged = merge3($diff->edits, $check->edits);
if ($merged['conflict']) {
global $MERGED_DIFF;
$MERGED_DIFF = $merged['merged'];
return $this->action();
}
$diff->edits = $merged['merged'];
$new = $diff->closing();
}
lock($ID);
$text = $this->update($this->merge($new));
if ($text === FALSE) {
msg('file has been changed, cannot save!', -1);
} else {
saveWikiText($ID, $text, "");
}
unlock($ID);
return "show";
}
