/**
* Generate the content text for this newsletter.
*
* @return string
*/
public function generateContentText($area)
{
if (!$this->theme instanceof AvisotaNewsletterTheme) {
throw new Exception('A newsletter need a theme!');
}
AvisotaStatic::pushNewsletter($this);
$content = '';
if (isset($this->contentArray[$area])) {
foreach ($this->contentArray[$area] as $element) {
$content .= AvisotaNewsletterContent::getInstance()->generateNewsletterElement($element, NL_PLAIN);
}
}
// reset static information
AvisotaStatic::popNewsletter();
return $content;
}
