public function getPostInfo($post_id)
{
$select = $this->getDbTable()->select()->setIntegrityCheck(false);
$select->from('user_post', array('text' => 'content', 'date' => 'created_at', 'updated_at'));
$select->join('google_user', 'google_user.id = user_post.user_id', array('author' => 'username', 'user_id' => 'id'));
$select->where('user_post.id = ?', $post_id);
$result_set = $this->getDbTable()->fetchAll($select);
$entries = array();
foreach ($result_set as $row) {
$array = $row->toArray();
remove_null_values($array);
$entries[] = $array;
}
return $entries[0];
}
public function getComments($post_id, $isLimit = true)
{
$select = $this->getDbTable()->select()->setIntegrityCheck(false);
$select->from('user_comment', array('content', 'created_at', 'user_id'));
$select->join('google_user', 'google_user.id = user_comment.user_id', array('username'));
$select->where('user_comment.post_id = ?', $post_id);
$select->order('user_comment.created_at');
if ($isLimit) {
$select->limit(2);
}
$result_set = $this->getDbTable()->fetchAll($select);
$entries = array();
foreach ($result_set as $row) {
$array = $row->toArray();
remove_null_values($array);
$entries[] = $array;
}
return $entries;
}
function remove_null_values(array &$arr, $remove_zero = false)
{
$to_remove = array();
foreach ($arr as $key => &$value) {
if (is_array($value)) {
remove_null_values($value);
continue;
}
if ($remove_zero) {
if (empty($value)) {
$to_remove[] = $key;
}
} else {
if (is_null($value)) {
$to_remove[] = $key;
}
}
}
foreach ($to_remove as $key) {
unset($arr[$key]);
}
}
