/**
* Get posts
*
* @return array
*/
public function get_posts()
{
// try to get posts from cache
$posts = json_decode(get_transient('rfbp_posts'), true);
if (is_array($posts)) {
return $posts;
}
// fetch posts from FB API
$api = rfbp_get_api();
$posts = $api->get_posts();
if (is_array($posts)) {
// API call succeeded, store posts in cache
// JSON encode posts before storing
$encoded_posts = json_encode($posts);
set_transient('rfbp_posts', $encoded_posts, apply_filters('rfbp_cache_time', 3600));
// user set cache time
set_transient('rfbp_posts_fallback', $encoded_posts, 2629744);
// 1 month
return $posts;
}
// API call failed, get posts from fallback transient
$posts = json_decode(get_transient('rfbp_posts_fallback'), true);
// If fallback also failed, return empty array
if (is_array($posts)) {
return $posts;
}
return array();
}
public function test_facebook_api()
{
$api = rfbp_get_api();
$ping = $api->ping();
if ($ping) {
add_settings_error('rfbp', 'rfbp-api-success', __('Your configuration seems to be okay and working! Nice work.', 'recent-facebook-posts'), "updated");
} else {
add_settings_error('rfbp', 'rfbp-api-error', __('Facebook returned the following error when testing your configuration.', 'recent-facebook-posts') . '<pre>' . $api->get_error_message() . '</pre>');
}
}
public function get_posts()
{
// try to get posts from cache
if ($posts = get_transient('rfbp_posts')) {
return $posts;
}
$opts = rfbp_get_settings();
$api = rfbp_get_api();
$data = $api->get_posts();
// did api call succeed?
if (!$data) {
return $this->get_fallback_posts();
}
$posts = array();
foreach ($data as $p) {
// skip this "post" if it is not of one of the following types
if (!in_array($p->type, array('status', 'photo', 'video', 'link'))) {
continue;
}
// skip empty status updates
if ($p->type == 'status' && (!isset($p->message) || empty($p->message))) {
continue;
}
// skip empty links.
if ($p->type == 'link' && !isset($p->name) && (!isset($p->message) || empty($p->message))) {
continue;
}
// skip friend approvals
if ($p->type == 'status' && $p->status_type == 'approved_friend') {
continue;
}
//split user and post ID (userID_postID)
$idArray = explode("_", $p->id);
$post = array();
$post['type'] = $p->type;
$post['content'] = isset($p->message) ? utf8_encode($p->message) : '';
$post['image'] = null;
// set post content and image
if ($p->type == 'photo') {
$image = "//graph.facebook.com/" . $p->object_id . '/picture';
$post['image'] = $image;
} elseif ($p->type == 'video') {
$image = $p->picture;
// hacky
if ($opts['img_size'] == 'normal') {
$image = str_replace(array("_s.jpg", "_s.png"), array("_n.jpg", "_n.png"), $image);
}
$post['image'] = $image;
} elseif ($p->type == 'link') {
$post['link_image'] = isset($p->picture) ? $p->picture : '';
$post['link_name'] = isset($p->name) ? $p->name : '';
$post['link_caption'] = isset($p->caption) ? $p->caption : '';
$post['link_description'] = isset($p->description) ? $p->description : '';
$post['link_url'] = $p->link;
}
// calculate post like and comment counts
if (isset($p->likes->summary->total_count)) {
$like_count = $p->likes->summary->total_count;
} else {
$like_count = 0;
}
if (isset($p->comments->summary->total_count)) {
$comment_count = $p->comments->summary->total_count;
} else {
$comment_count = 0;
}
$post['timestamp'] = strtotime($p->created_time);
$post['like_count'] = $like_count;
$post['comment_count'] = $comment_count;
$post['url'] = "http://www.facebook.com/" . $opts['fb_id'] . "/posts/" . $idArray[1];
$posts[] = $post;
}
// store results in cache for later use
if ($posts) {
set_transient('rfbp_posts', $posts, apply_filters('rfbp_cache_time', 3600));
// user set cache time
set_transient('rfbp_posts_fallback', $posts, 2629744);
// 1 month
}
return $posts;
}