<?php
/**
* Server-side rendering of the `core/post-date` block.
*
* @package WordPress
*/

/**
* Renders the `core/post-date` block on the server.
*
* @since 5.8.0
*
* @param array $attributes Block attributes.
* @param string $content Block default content.
* @param WP_Block $block Block instance.
* @return string Returns the filtered post date for the current post wrapped inside "time" tags.
*/
function render_block_core_post_date( $attributes, $content, $block ) {
if ( ! isset( $block->context['postId'] ) ) {
return '';
}

$post_ID = $block->context['postId'];

if ( isset( $attributes['format'] ) && 'human-diff' === $attributes['format'] ) {
$post_timestamp = get_post_timestamp( $post_ID );
if ( $post_timestamp > time() ) {
// translators: %s: human-readable time difference.
$formatted_date = sprintf( __( '%s from now' ), human_time_diff( $post_timestamp ) );
} else {
// translators: %s: human-readable time difference.
$formatted_date = sprintf( __( '%s ago' ), human_time_diff( $post_timestamp ) );
}
} else {
$formatted_date = get_the_date( empty( $attributes['format'] ) ? '' : $attributes['format'], $post_ID );
}
$unformatted_date = esc_attr( get_the_date( 'c', $post_ID ) );
$classes = array();

if ( isset( $attributes['textAlign'] ) ) {
$classes[] = 'has-text-align-' . $attributes['textAlign'];
}
if ( isset( $attributes['style']['elements']['link']['color']['text'] ) ) {
$classes[] = 'has-link-color';
}

/*
* If the "Display last modified date" setting is enabled,
* only display the modified date if it is later than the publishing date.
*/
if ( isset( $attributes['displayType'] ) && 'modified' === $attributes['displayType'] ) {
if ( get_the_modified_date( 'Ymdhi', $post_ID ) > get_the_date( 'Ymdhi', $post_ID ) ) {
if ( isset( $attributes['format'] ) && 'human-diff' === $attributes['format'] ) {
// translators: %s: human-readable time difference.
$formatted_date = sprintf( __( '%s ago' ), human_time_diff( get_post_timestamp( $post_ID, 'modified' ) ) );
} else {
$formatted_date = get_the_modified_date( empty( $attributes['format'] ) ? '' : $attributes['format'], $post_ID );
}
$unformatted_date = esc_attr( get_the_modified_date( 'c', $post_ID ) );
$classes[] = 'wp-block-post-date__modified-date';
} else {
return '';
}
}

$wrapper_attributes = get_block_wrapper_attributes( array( 'class' => implode( ' ', $classes ) ) );

if ( isset( $attributes['isLink'] ) && $attributes['isLink'] ) {
$formatted_date = sprintf( '<a href="%1s">%2s</a>', get_the_permalink( $post_ID ), $formatted_date );
}

return sprintf(
'<div %1$s><time datetime="%2$s">%3$s</time></div>',
$wrapper_attributes,
$unformatted_date,
$formatted_date
);
}

/**
* Registers the `core/post-date` block on the server.
*
* @since 5.8.0
*/
function register_block_core_post_date() {
register_block_type_from_metadata(
__DIR__ . '/post-date',
array(
'render_callback' => 'render_block_core_post_date',
)
);
}
add_action( 'init', 'register_block_core_post_date' );