/**
* @return string
* @param $channelId, string, channel ID
*/
public static function getAttentionQrcode($channelId)
{
$imageUrl = $qrcodeId = '';
$channelInfo = Channel::getEnableByChannelId($channelId);
if (empty($channelInfo['qrcodeId'])) {
$qrcodeId = Channel::createAttentionQrcode($channelId);
if (!empty($qrcodeId)) {
Channel::updateAll(['qrcodeId' => $qrcodeId], ['channelId' => $channelId]);
}
} else {
$qrcodeId = $channelInfo['qrcodeId'];
}
if (!empty($qrcodeId)) {
$qrcodeInfo = Yii::$app->weConnect->getQrcode($channelId, $qrcodeId);
$imageUrl = $qrcodeInfo['imageUrl'];
}
return $imageUrl;
}
