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<?php
namespace Code_Snippets\Model;
use WP_REST_Response;
/**
* A list of snippets as retrieved from the cloud API.
*
* @since 3.4.0
* @package Code_Snippets
*
* @property Cloud_Snippet[] $snippets List of snippet items for the current page.
* @property int $page Page of data that this data belongs to.
* @property int $total_pages Total number of available pages of items.
* @property int $total_snippets Total number of available snippet items.
* @property array<int, int> $cloud_id_rev An array of all cloud snippet IDs and their revision numbers.
* @property array<string, array> $available_filters An array of available filters that can be applied to the collection.
*/
class Cloud_Snippets extends Model {
/**
* List of default values provided for fields.
*
* @var array<string, mixed>
*/
protected static array $default_values = [
'snippets' => [],
'total_snippets' => 0,
'total_pages' => 0,
'page' => 0,
'cloud_id_rev' => [],
'available_filters' => [],
];
/**
* List of field name aliases to map when resolving a field name.
*
* @var array<string, string> Field alias names keyed to actual field names.
*/
protected static array $field_aliases = [
'items' => 'snippets',
'total_items' => 'total_snippets',
'page' => 'page',
'cloud_id_rev' => 'cloud_id_rev',
];
/**
* Prepare a value before it is stored.
*
* @param mixed $value Value to prepare.
* @param string $field Field name.
*
* @return mixed Value in the correct format.
*/
protected function prepare_field( $value, string $field ) {
switch ( $field ) {
case 'page':
case 'total_pages':
case 'total_snippets':
return absint( $value );
default:
return $value;
}
}
/**
* Prepare the `snippets` field by ensuring it is a list of Cloud_Snippets objects.
*
* @param mixed $snippets The field as provided.
*
* @return Cloud_Snippets[] The field in the correct format.
* @noinspection PhpUnused
*/
protected function prepare_snippets( $snippets ): array {
$result = [];
$snippets = is_array( $snippets ) ? $snippets : [ $snippets ];
foreach ( $snippets as $snippet ) {
$result[] = $snippet instanceof Cloud_Snippet ? $snippet : new Cloud_Snippet( $snippet );
}
return $result;
}
/**
* Unpack meta values from API response.
*
* @param array $meta Response meta data.
*
* @return void
*/
public function unpack_api_meta( array $meta ) {
if ( isset( $meta['total'] ) && is_numeric( $meta['total'] ) ) {
$this->total_snippets = $meta['total'];
}
if ( isset( $meta['total_pages'] ) && is_numeric( $meta['total_pages'] ) ) {
$this->total_pages = $meta['total_pages'];
}
if ( isset( $meta['page'] ) && is_numeric( $meta['page'] ) ) {
$this->page = max( 0, (int) $meta['page'] - 1 );
}
}
/**
* Normalize payloads returned by the cloud API into the shape expected by this class.
*
* @param array|null $response Response data as returned from API.
* @param int|null $page_number Page number requested, if applicible.
*
* @return Cloud_Snippets Constructed cloud snippets object from response data.
*/
public static function unpack_api_response( ?array $response, ?int $page_number = null ): ?Cloud_Snippets {
if ( ! $response ) {
return null;
}
$result = new Cloud_Snippets();
$snippets_data = $response['snippets'] ?? $response['data'] ?? null;
if ( is_array( $snippets_data ) ) {
$result->snippets = array_map(
fn( $snippet_data ) => new Cloud_Snippet( $snippet_data ),
$snippets_data
);
}
$result->cloud_id_rev = $response['cloud_id_rev'] ?? [];
$result->available_filters = $response['available_filters'] ?? [];
if ( isset( $response['meta'] ) && is_array( $response['meta'] ) ) {
$result->unpack_api_meta( $response['meta'] );
}
if ( ! is_null( $page_number ) ) {
$result->page = $page_number;
}
return $result;
}
/**
* Transform the data stored into this class into a REST API response.
*
* @return WP_REST_Response
*/
public function to_rest_response(): WP_REST_Response {
$response = rest_ensure_response(
[
'snippets' => array_map(
fn( Cloud_Snippet $snippet ) => $snippet->get_fields(),
$this->snippets
),
'page' => $this->page,
'total_pages' => $this->total_pages,
'total_snippets' => $this->total_snippets,
'available_filters' => $this->available_filters,
]
);
$response->header( 'X-WP-Total', $this->total_snippets );
$response->header( 'X-WP-TotalPages', $this->total_pages );
return $response;
}
}