/**
* @param \Mageplaza\Blog\Model\Post $post
* @return $this
*/
protected function saveTopicRelation(\Mageplaza\Blog\Model\Post $post)
{
$post->setIsChangedTopicList(false);
$id = $post->getId();
$topics = $post->getTopicsData();
if ($topics === null) {
return $this;
}
$oldTopics = $post->getTopicsPosition();
$insert = array_diff_key($topics, $oldTopics);
$delete = array_diff_key($oldTopics, $topics);
$update = array_intersect_key($topics, $oldTopics);
$_update = [];
foreach ($update as $key => $settings) {
if (isset($oldTopics[$key]) && $oldTopics[$key] != $settings['position']) {
$_update[$key] = $settings;
}
}
$update = $_update;
$adapter = $this->getConnection();
if (!empty($delete)) {
$condition = ['topic_id IN(?)' => array_keys($delete), 'post_id=?' => $id];
$adapter->delete($this->postTopicTable, $condition);
}
if (!empty($insert)) {
$data = [];
foreach ($insert as $topicId => $position) {
$data[] = ['post_id' => (int) $id, 'topic_id' => (int) $topicId, 'position' => (int) $position['position']];
}
$adapter->insertMultiple($this->postTopicTable, $data);
}
if (!empty($update)) {
foreach ($update as $topicId => $position) {
$where = ['post_id = ?' => (int) $id, 'topic_id = ?' => (int) $topicId];
$bind = ['position' => (int) $position['position']];
$adapter->update($this->postTopicTable, $bind, $where);
}
}
if (!empty($insert) || !empty($delete)) {
$topicIds = array_unique(array_merge(array_keys($insert), array_keys($delete)));
$this->eventManager->dispatch('mageplaza_blog_post_change_topics', ['post' => $post, 'topic_ids' => $topicIds]);
}
if (!empty($insert) || !empty($update) || !empty($delete)) {
$post->setIsChangedTopicList(true);
$topicIds = array_keys($insert + $delete + $update);
$post->setAffectedTopicIds($topicIds);
}
return $this;
}
