static function evaluate_overlays()
{
$overlays = ORM::factory('emboss_overlay')->where('active', '=', 1)->find_all();
$images = ORM::factory('item')->where('type', '=', 'photo')->find_all();
$n_new = 0;
$n_update = 0;
$n_none = 0;
$has_changes = 0;
foreach ($images as $image) {
$overlay_id = emboss::determine_best_overlay($image, $overlays);
if ($overlay_id < 0) {
$n_none++;
}
$q = ORM::factory('emboss_mapping')->where('image_id', '=', $image->id)->find();
if (!$q->loaded()) {
if ($overlay_id > 0) {
$n_new++;
}
$q->image_id = $image->id;
$q->best_overlay_id = $overlay_id;
$q->cur_overlay_id = -1;
$q->cur_gravity = 'unset';
$q->cur_transparency = -1;
$q->save();
} else {
if ($q->best_overlay_id != $overlay_id) {
if ($overlay_id > 0) {
$n_update++;
}
$q->best_overlay_id = $overlay_id;
$q->save();
}
}
}
if ($n_none) {
emboss::info('Cannot find an overlay for ' . $n_none . t2(' image', ' images'));
}
if ($n_new) {
emboss::info($n_new . t2(' image needs', ' images need', $n_new) . ' now have an overlay available');
}
if ($n_update) {
emboss::info(t2('This changes the overlay for 1 image', "This changes the overlay for {$n_update} images", $n_update));
}
if ($n_none || $n_new || $n_update) {
} else {
message::info('All photos are being embossed with the correct overlay');
}
}
