/**
* Combines a post and (potentially) a blob
*
* If no blob is provided, turns post into blob
*
* If blob is provided, compares blob to post
* and updates blob data based on differences
*/
public function new_blob($post, $blob = array())
{
if (empty($blob)) {
$blob = $this->blob_from_post($post);
} else {
unset($blob->url);
unset($blob->size);
if ($blob->path !== $post->github_path()) {
$blob->path = $post->github_path();
$this->changed = true;
}
$blob_data = $this->api->get_blob($blob->sha);
if (base64_decode($blob_data->content) !== $post->github_content()) {
unset($blob->sha);
$blob->content = $post->github_content();
$this->changed = true;
}
}
return $blob;
}
/**
* Checks if current position is valid
*
* @link http://php.net/manual/en/iterator.valid.php
* @return boolean true on success, false on failure.
*/
public function valid()
{
global $wpdb;
while (isset($this->tree[$this->position])) {
$blob = $this->tree[$this->position];
// Skip the repo's readme
if ('readme' === strtolower(substr($blob->path, 0, 6))) {
WordPress_GitHub_Sync::write_log(__('Skipping README', 'wordpress-github-sync'));
$this->next();
continue;
}
// If the blob sha already matches a post, then move on
$id = $wpdb->get_var("SELECT post_id FROM {$wpdb->postmeta} WHERE meta_key = '_sha' AND meta_value = '{$blob->sha}'");
if ($id) {
WordPress_GitHub_Sync::write_log(sprintf(__('Already synced blob %s', 'wordpress-github-sync'), $blob->path));
$this->next();
continue;
}
$blob = $this->api->get_blob($blob->sha);
if (is_wp_error($blob)) {
WordPress_GitHub_Sync::write_log(sprintf(__('Failed getting blob with error: %s', 'wordpress-github-sync'), $blob->get_error_message()));
$this->next();
continue;
}
$content = base64_decode($blob->content);
// If it doesn't have YAML frontmatter, then move on
if ('---' !== substr($content, 0, 3)) {
WordPress_GitHub_Sync::write_log(sprintf(__('No front matter on blob %s', 'wordpress-github-sync'), $blob->sha));
$this->next();
continue;
}
$blob->content = $content;
$this->current = $blob;
return true;
}
return false;
}
