/**
* @return \yii\db\ActiveQuery
*/
public function getPageTags()
{
return $this->hasMany(PageTag::className(), ['tag_id' => 'id']);
}
public static function cloneTree($page, $parent_id)
{
/* This will hold new id of root of cloned tree. */
static $new_root_id = false;
/* Clone passed in page. */
$clone = Record::findByIdFrom('Page', $page->id);
$clone->parent_id = (int) $parent_id;
$clone->id = null;
if (!$new_root_id) {
$clone->title .= " (copy)";
$clone->slug .= "-copy";
}
$clone->save();
/* Also clone the page parts. */
$page_part = PagePart::findByPageId($page->id);
if (count($page_part)) {
foreach ($page_part as $part) {
$part->page_id = $clone->id;
$part->id = null;
$part->save();
}
}
/* Also clone the page tags. */
$page_tags = $page->getTags();
if (count($page_tags)) {
foreach ($page_tags as $tag_id => $tag_name) {
// create the relation between the page and the tag
$tag = new PageTag(array('page_id' => $clone->id, 'tag_id' => $tag_id));
$tag->save();
}
}
/* This gets set only once even when called recursively. */
if (!$new_root_id) {
$new_root_id = $clone->id;
}
/* Clone and update childrens parent_id to clones new id. */
if (Page::hasChildren($page->id)) {
foreach (Page::childrenOf($page->id) as $child) {
Page::cloneTree($child, $clone->id);
}
}
return $new_root_id;
}
public function saveTags($tags)
{
if (is_string($tags)) {
$tags = explode(',', $tags);
}
$tags = array_map('trim', $tags);
$current_tags = $this->getTags();
// no tag before! no tag now! ... nothing to do!
if (count($tags) == 0 && count($current_tags) == 0) {
return;
}
// delete all tags
if (count($tags) == 0) {
$tablename = self::tableNameFromClassName('Tag');
// update count (-1) of those tags
foreach ($current_tags as $tag) {
self::$__CONN__->exec("UPDATE {$tablename} SET count = count - 1 WHERE name = '{$tag}'");
}
return Record::deleteWhere('PageTag', 'page_id=?', array($this->id));
} else {
$old_tags = array_diff($current_tags, $tags);
$new_tags = array_diff($tags, $current_tags);
// insert all tags in the tag table and then populate the page_tag table
foreach ($new_tags as $index => $tag_name) {
if (!empty($tag_name)) {
// try to get it from tag list, if not we add it to the list
if (!($tag = Record::findOneFrom('Tag', 'name=?', array($tag_name)))) {
$tag = new Tag(array('name' => trim($tag_name)));
}
$tag->count++;
$tag->save();
// create the relation between the page and the tag
$tag = new PageTag(array('page_id' => $this->id, 'tag_id' => $tag->id));
$tag->save();
}
}
// remove all old tag
foreach ($old_tags as $index => $tag_name) {
// get the id of the tag
$tag = Record::findOneFrom('Tag', 'name=?', array($tag_name));
Record::deleteWhere('PageTag', 'page_id=? AND tag_id=?', array($this->id, $tag->id));
$tag->count--;
$tag->save();
}
}
}
public function saveTags($tags)
{
if (is_string($tags)) {
$tags = explode(',', $tags);
}
$tags = array_map('trim', $tags);
$tags = array_filter($tags);
$current_tags = array();
foreach ($this->tags() as $tag) {
$current_tags[] = $tag->name();
}
// no tag before! no tag now! ... nothing to do!
if (count($tags) == 0 && count($current_tags) == 0) {
return;
}
// delete all tags
if (count($tags) == 0) {
return Record::deleteWhere('PageTag', 'page_id=?', array($this->id));
} else {
$old_tags = array_diff($current_tags, $tags);
$new_tags = array_diff($tags, $current_tags);
// insert all tags in the tag table and then populate the page_tag table
foreach ($new_tags as $index => $tag_name) {
if (!empty($tag_name)) {
// try to get it from tag list, if not we add it to the list
if (!($tag = Tag::findByName($tag_name))) {
$tag = new Tag(array('name' => trim($tag_name)));
}
$tag->save();
// create the relation between the page and the tag
$tag = new PageTag(array('page_id' => $this->id, 'tag_id' => $tag->id));
$tag->save();
}
}
// remove all old tag
foreach ($old_tags as $index => $tag_name) {
// get the id of the tag
$tag = Tag::findByName($tag_name);
Record::deleteWhere('PageTag', 'page_id=? AND tag_id=?', array($this->id, $tag->id));
$tag->save();
}
}
}
