+function diaspora_handle_from_contact($contact_id) {
+ $handle = False;
+
+ logger("diaspora_handle_from_contact: contact id is " . $contact_id, LOGGER_DEBUG);
+
+ $r = q("SELECT network, addr, self, url, nick FROM contact WHERE id = %d",
+ intval($contact_id)
+ );
+ if($r) {
+ $contact = $r[0];
+
+ logger("diaspora_handle_from_contact: contact 'self' = " . $contact['self'] . " 'url' = " . $contact['url'], LOGGER_DEBUG);
+
+ if($contact['network'] === NETWORK_DIASPORA) {
+ $handle = $contact['addr'];
+
+// logger("diaspora_handle_from_contact: contact id is a Diaspora person, handle = " . $handle, LOGGER_DEBUG);
+ }
+ elseif(($contact['network'] === NETWORK_DFRN) || ($contact['self'] == 1)) {
+ $baseurl_start = strpos($contact['url'],'://') + 3;
+ $baseurl_length = strpos($contact['url'],'/profile') - $baseurl_start; // allows installations in a subdirectory--not sure how Diaspora will handle
+ $baseurl = substr($contact['url'], $baseurl_start, $baseurl_length);
+ $handle = $contact['nick'] . '@' . $baseurl;
+
+// logger("diaspora_handle_from_contact: contact id is a DFRN person, handle = " . $handle, LOGGER_DEBUG);
+ }
+ }
+
+ return $handle;
+}
+