page = $page;
$this->field = $field;
$this->seoMaestro = $seoMaestro;
$this->setDefaultData($data);
}
/**
* {@inheritdoc}
*/
public function get($key)
{
if ($key === 'og') {
return $this->getSeoData('opengraph');
}
if ($this->isSeoGroup($key)) {
return $this->getSeoData($key);
}
return parent::get($key);
}
/**
* {@inheritdoc}
*/
public function set($key, $value)
{
static $regex = null;
// Make sure to only allow keys of valid seo data, e.g. meta_title.
if ($regex === null) {
$seoFields = implode('|', array_keys($this->field->type->getSeoData()));
$languageIds = $this->wire('languages') ? $this->wire('languages')->getAll()->implode('|', 'id') : '';
$regex = sprintf('/^(%s)(%s){0,1}$/', $seoFields, $languageIds);
}
if (!preg_match($regex, $key)) {
throw new WireException(sprintf('"%s" is not a valid key for a SeoMaestro page value', $key));
}
return parent::set($key, $value);
}
/**
* Render meta tags of all groups.
*
* @return string
*/
public function render()
{
$tags = array_map(function ($group) {
return $this->getSeoData($group)->render();
}, $this->field->type->getSeoGroups());
$tags += $this->seoMaestro->renderMetatags($this->getCommonMetatags());
$webmasterToolsTags = $this->getWebmasterToolsMetatags();
if (count($webmasterToolsTags)) {
$tags += $this->seoMaestro->renderMetatags($webmasterToolsTags);
}
$tags = array_filter($tags, function ($tag) {
return $tag !== '';
});
return implode("\n", $tags);
}
/**
* @return string
*/
public function __toString()
{
return $this->render();
}
/**
* @return \ProcessWire\Page
*/
public function getPage()
{
return $this->page;
}
/**
* @return \ProcessWire\Field
*/
public function getField()
{
return $this->field;
}
/**
* Build common metatags not configured via fieldtype.
*
* @return array
*/
private function getCommonMetatags()
{
$baseUrl = $this->seoMaestro->get('baseUrl');
$defaultLang = $this->seoMaestro->get('defaultLanguage') ?: 'en';
$hasLanguageSupportPageNames = $this->wire('modules')->isInstalled('LanguageSupportPageNames');
$tags = ['meta_generator' => ''];
if ($hasLanguageSupportPageNames) {
foreach ($this->wire('languages') ?: [] as $language) {
if (!$this->page->viewable($language)) {
continue;
}
$code = $language->isDefault() ? $defaultLang : $language->name;
$url = $baseUrl ? $baseUrl . $this->page->localUrl($language) : $this->page->localHttpUrl($language);
$tags["link_rel_{$code}"] = sprintf('', $url, $code);
if ($language->isDefault()) {
$tags['link_rel_default'] = sprintf('', $url);
}
}
}
return $tags;
}
/**
* Return the meta tags from the webmaster tools section.
*
* @return array
*/
private function getWebmasterToolsMetatags()
{
$tags = [];
$field = $this->getFieldInCurrentContext();
if ($field->get('webmaster_tools_google_code')) {
$tags['webmaster_tools_google_code'] = sprintf(
'',
$this->wire('sanitizer')->entities($field->get('webmaster_tools_google_code'))
);
}
if ($field->get('webmaster_tools_bing_code')) {
$tags['webmaster_tools_bing_code'] = sprintf(
'',
$this->wire('sanitizer')->entities($field->get('webmaster_tools_bing_code'))
);
}
return $tags;
}
private function isSeoGroup($name)
{
return in_array($name, $this->field->type->getSeoGroups());
}
/**
* @param string $group
*
* @return \SeoMaestro\SeoDataInterface
*/
private function getSeoData($group)
{
if (!isset($this->seoData[$group])) {
$class = sprintf('\\SeoMaestro\\%sSeoData', ucfirst($group));
$data = $this->getDataOfGroup($group);
$seoData = $this->wire(new $class($this, $this->seoMaestro, $data));
$this->seoData[$group] = $seoData;
}
return $this->seoData[$group];
}
/**
* @param string $group
*
* @return array
*/
private function getDataOfGroup($group)
{
$data = [];
foreach ($this->data as $key => $value) {
list($_group, $name) = explode('_', $key);
if ($_group === $group) {
$data[$name] = $value;
}
}
return $data;
}
private function setDefaultData(array $data)
{
$defaults = [];
foreach (array_keys($this->field->type->getSeoData()) as $name) {
$defaults[$name] = 'inherit';
}
$this->data = array_merge($defaults, $data);
}
/**
* Get the field in the context of the page's template.
*
* @return \ProcessWire\Field
*/
private function getFieldInCurrentContext()
{
return $this->page
->get('template')
->get('fieldgroup')
->getField($this->field, true);
}
}