public function run()
{
$tags = Tag::findTagWeights();
$str = '';
foreach ($tags as $tag => $weight) {
$link = Html::a(Html::encode($tag), Yii::$app->getUrlManager()->createUrl(['main/default/index', 'tag' => $tag]));
$str .= Html::tag('span', $link, ['class' => 'tag', 'style' => "font-size:{$weight}pt"]) . "\n";
}
return $this->render('tag', ['title' => $this->title, 'content' => $str]);
}
public static function findTagWeights($limit = 20)
{
$models = Tag::find()->orderBy(['frequency' => SORT_DESC])->all();
$total = 0;
foreach ($models as $model) {
$total += $model->frequency;
}
$tags = [];
if ($total > 0) {
foreach ($models as $model) {
$tags[$model->name] = 8 + (int) (16 * $model->frequency / ($total + 10));
}
ksort($tags);
}
return $tags;
}
public function getTagLinks()
{
$links = [];
foreach (Tag::string2array($this->tags) as $tag) {
$links[] = Html::a($tag, Yii::$app->getUrlManager()->createUrl(['main/default/index', 'tag' => $tag]));
}
return $links;
}