/**
* Get data from hierarchy of inheritance
* @param $schema
* @param $fieldName
* @param $material
* @param bool $deep search in parent structures then change current material to parent
* @return null
* @throws \Exception
*/
public function getFieldBySchema($schema, $fieldName, $material, $deep = false)
{
// Set field name with prefix of schema
$fieldNameFull = $fieldName . '_' . $schema->id;
$fieldValue = $this->getDataField($fieldNameFull, $material);
// If in the current schema need value wasn't found then find in sibling schemas
if ($fieldValue == null) {
// Find value in all reserved schemas
foreach (Schema::getSchemas() as $schemaFind) {
// If it is not deep search then avoid equal schema
if ($schema->id == $schemaFind->id && $deep == false) {
continue;
}
// Set field name with prefix of schema
$fieldNameFull = $fieldName . '_' . $schemaFind->id;
// If it is deep search i.e search in parent structures then change current material to parent
if ($deep == true) {
$material = $this->getNestedMaterial($schemaFind->getStructure());
}
// Get data from material
$fieldValue = $this->getDataField($fieldNameFull, $material);
// End if value was found
if (!empty($fieldValue)) {
return $fieldValue;
}
}
// Valued was not found
return null;
}
return $fieldValue;
}
/**
* Render tags
*/
public function __handler()
{
// Class for work with data
$display = new Display($this->query);
// Iterate all reserved schemas and output their data
$html = '';
foreach (Schema::getSchemas() as $schema) {
// Get current material
$material = $display->getMaterialByUrl($display->getItemUrl());
// Out comment
$html .= "<!-- {$schema->id} -->";
// Iterate all relations
foreach ($schema->relations as $fieldName => $alias) {
// Find data in hierarchy of structures
$content = $display->findField($schema, $fieldName, $material);
// EXCLUDE Render title of page
if ($schema->id == 'meta' && $fieldName == '__SEO_Title') {
$html .= $this->view($this->viewTitle)->title($content)->output();
}
// Save html view
$html .= $this->view($schema->view)->name($alias)->content($content)->output() . "\n";
}
}
// Show result
$this->view($this->viewIndex)->content($html);
}
public function __construct($query)
{
$this->query = $query;
// Get all structures
$this->structures = \samson\cms\seo\schema\Schema::getSchemas();
}