+ /**
+ * Get the poll interval for the given contact array
+ *
+ * @param array $contact
+ * @return int Poll interval in minutes
+ */
+ public static function getPollInterval(array $contact)
+ {
+ if (in_array($contact['network'], [Protocol::MAIL, Protocol::FEED])) {
+ $ratings = [0, 3, 7, 8, 9, 10];
+ if (DI::config()->get('system', 'adjust_poll_frequency') && ($contact['network'] == Protocol::FEED)) {
+ $rating = $contact['rating'];
+ } elseif (array_key_exists($contact['priority'], $ratings)) {
+ $rating = $ratings[$contact['priority']];
+ } else {
+ $rating = -1;
+ }
+ } else {
+ // Check once a week per default for all other networks
+ $rating = 9;
+ }
+
+ // Friendica and OStatus are checked once a day
+ if (in_array($contact['network'], [Protocol::DFRN, Protocol::OSTATUS])) {
+ $rating = 8;
+ }
+
+ // Check archived contacts or contacts with unsupported protocols once a month
+ if ($contact['archive'] || in_array($contact['network'], [Protocol::ZOT, Protocol::PHANTOM])) {
+ $rating = 10;
+ }
+
+ if ($rating < 0) {
+ return 0;
+ }
+ /*
+ * Based on $contact['priority'], should we poll this site now? Or later?
+ */
+
+ $min_poll_interval = max(1, DI::config()->get('system', 'min_poll_interval'));
+
+ $poll_intervals = [$min_poll_interval, 15, 30, 60, 120, 180, 360, 720 ,1440, 10080, 43200];
+
+ //$poll_intervals = [$min_poll_interval . ' minute', '15 minute', '30 minute',
+ // '1 hour', '2 hour', '3 hour', '6 hour', '12 hour' ,'1 day', '1 week', '1 month'];
+
+ return $poll_intervals[$rating];
+ }
+