+ /**
+ * Return the photo path for a given contact array in the given size
+ *
+ * @param array $contact contact array
+ * @param string $field Fieldname of the photo in the contact array
+ * @param string $default Default path when no picture had been found
+ * @param string $size Size of the avatar picture
+ * @param string $avatar Avatar path that is displayed when no photo had been found
+ * @return string photo path
+ */
+ private static function getAvatarPath(array $contact, string $field, string $default, string $size, string $avatar)
+ {
+ if (!empty($contact)) {
+ $contact = self::checkAvatarCacheByArray($contact);
+ if (!empty($contact[$field])) {
+ $avatar = $contact[$field];
+ }
+ }
+
+ if (empty($avatar)) {
+ return $default;
+ }
+
+ if (Proxy::isLocalImage($avatar)) {
+ return $avatar;
+ } else {
+ return Proxy::proxifyUrl($avatar, false, $size);
+ }
+ }
+
+ /**
+ * Return the photo path for a given contact array
+ *
+ * @param array $contact Contact array
+ * @param string $avatar Avatar path that is displayed when no photo had been found
+ * @return string photo path
+ */
+ public static function getPhoto(array $contact, string $avatar = '')
+ {
+ return self::getAvatarPath($contact, 'photo', DI::baseUrl() . '/images/person-300.jpg', Proxy::SIZE_SMALL, $avatar);
+ }
+
+ /**
+ * Return the photo path (thumb size) for a given contact array
+ *
+ * @param array $contact Contact array
+ * @param string $avatar Avatar path that is displayed when no photo had been found
+ * @return string photo path
+ */
+ public static function getThumb(array $contact, string $avatar = '')
+ {
+ return self::getAvatarPath($contact, 'thumb', DI::baseUrl() . '/images/person-80.jpg', Proxy::SIZE_THUMB, $avatar);
+ }
+
+ /**
+ * Return the photo path (micro size) for a given contact array
+ *
+ * @param array $contact Contact array
+ * @param string $avatar Avatar path that is displayed when no photo had been found
+ * @return string photo path
+ */
+ public static function getMicro(array $contact, string $avatar = '')
+ {
+ return self::getAvatarPath($contact, 'micro', DI::baseUrl() . '/images/person-48.jpg', Proxy::SIZE_MICRO, $avatar);
+ }
+