+
+ /**
+ * Convert a link given through a request, to a valid link for LinkDB.
+ *
+ * If no URL is provided, it will generate a local note URL.
+ * If no title is provided, it will use the URL as title.
+ *
+ * @param array $input Request Link.
+ * @param bool $defaultPrivate Request Link.
+ *
+ * @return array Formatted link.
+ */
+ public static function buildLinkFromRequest($input, $defaultPrivate)
+ {
+ $input['url'] = ! empty($input['url']) ? cleanup_url($input['url']) : '';
+ if (isset($input['private'])) {
+ $private = filter_var($input['private'], FILTER_VALIDATE_BOOLEAN);
+ } else {
+ $private = $defaultPrivate;
+ }
+
+ $link = [
+ 'title' => ! empty($input['title']) ? $input['title'] : $input['url'],
+ 'url' => $input['url'],
+ 'description' => ! empty($input['description']) ? $input['description'] : '',
+ 'tags' => ! empty($input['tags']) ? implode(' ', $input['tags']) : '',
+ 'private' => $private,
+ 'created' => new \DateTime(),
+ ];
+ return $link;
+ }
+
+ /**
+ * Update link fields using an updated link object.
+ *
+ * @param array $oldLink data
+ * @param array $newLink data
+ *
+ * @return array $oldLink updated with $newLink values
+ */
+ public static function updateLink($oldLink, $newLink)
+ {
+ foreach (['title', 'url', 'description', 'tags', 'private'] as $field) {
+ $oldLink[$field] = $newLink[$field];
+ }
+ $oldLink['updated'] = new \DateTime();
+
+ if (empty($oldLink['url'])) {
+ $oldLink['url'] = '?' . $oldLink['shorturl'];
+ }
+
+ if (empty($oldLink['title'])) {
+ $oldLink['title'] = $oldLink['url'];
+ }
+
+ return $oldLink;
+ }
+
+ /**
+ * Format a Tag for the REST API.
+ *
+ * @param string $tag Tag name
+ * @param int $occurrences Number of links using this tag
+ *
+ * @return array Link data formatted for the REST API.
+ */
+ public static function formatTag($tag, $occurences)
+ {
+ return [
+ 'name' => $tag,
+ 'occurrences' => $occurences,
+ ];
+ }