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   1  <?php
   2  /**
   3   * Server-side rendering of the `core/avatar` block.
   4   *
   5   * @package WordPress
   6   */
   7  
   8  /**
   9   * Renders the `core/avatar` block on the server.
  10   *
  11   * @param array    $attributes Block attributes.
  12   * @param string   $content    Block default content.
  13   * @param WP_Block $block      Block instance.
  14   * @return string Return the avatar.
  15   */
  16  function render_block_core_avatar( $attributes, $content, $block ) {
  17      $size               = isset( $attributes['size'] ) ? $attributes['size'] : 96;
  18      $wrapper_attributes = get_block_wrapper_attributes();
  19  
  20      $image_styles = array();
  21  
  22      // Add border width styles.
  23      $has_border_width = ! empty( $attributes['style']['border']['width'] );
  24  
  25      if ( $has_border_width ) {
  26          $border_width   = $attributes['style']['border']['width'];
  27          $image_styles[] = sprintf( 'border-width: %s;', esc_attr( $border_width ) );
  28      }
  29  
  30      // Add border radius styles.
  31      $has_border_radius = ! empty( $attributes['style']['border']['radius'] );
  32  
  33      if ( $has_border_radius ) {
  34          $border_radius = $attributes['style']['border']['radius'];
  35  
  36          if ( is_array( $border_radius ) ) {
  37              // Apply styles for individual corner border radii.
  38              foreach ( $border_radius as $key => $value ) {
  39                  if ( null !== $value ) {
  40                      $name = _wp_to_kebab_case( $key );
  41                      // Add shared styles for individual border radii.
  42                      $border_style   = sprintf(
  43                          'border-%s-radius: %s;',
  44                          esc_attr( $name ),
  45                          esc_attr( $value )
  46                      );
  47                      $image_styles[] = $border_style;
  48                  }
  49              }
  50          } else {
  51              $border_style   = sprintf( 'border-radius: %s;', esc_attr( $border_radius ) );
  52              $image_styles[] = $border_style;
  53          }
  54      }
  55  
  56      // Add border color styles.
  57      $has_border_color = ! empty( $attributes['style']['border']['color'] );
  58  
  59      if ( $has_border_color ) {
  60          $border_color   = $attributes['style']['border']['color'];
  61          $image_styles[] = sprintf( 'border-color: %s;', esc_attr( $border_color ) );
  62      }
  63  
  64      // Add border style (solid, dashed, dotted ).
  65      $has_border_style = ! empty( $attributes['style']['border']['style'] );
  66  
  67      if ( $has_border_style ) {
  68          $border_style   = $attributes['style']['border']['style'];
  69          $image_styles[] = sprintf( 'border-style: %s;', esc_attr( $border_style ) );
  70      }
  71  
  72      // Add border classes to the avatar image for both custom colors and palette colors.
  73      $image_classes = '';
  74      if ( $has_border_color || isset( $attributes['borderColor'] ) ) {
  75          $image_classes .= 'has-border-color';
  76      }
  77      if ( isset( $attributes['borderColor'] ) ) {
  78          $image_classes .= ' has-' . $attributes['borderColor'] . '-border-color';
  79      }
  80  
  81      if ( ! isset( $block->context['commentId'] ) ) {
  82          $author_id   = isset( $attributes['userId'] ) ? $attributes['userId'] : get_post_field( 'post_author', $block->context['postId'] );
  83          $author_name = get_the_author_meta( 'display_name', $author_id );
  84          // translators: %s is the Author name.
  85          $alt          = sprintf( __( '%s Avatar' ), $author_name );
  86          $avatar_block = get_avatar(
  87              $author_id,
  88              $size,
  89              '',
  90              $alt,
  91              array(
  92                  'extra_attr' => isset( $image_styles ) ? sprintf( ' style="%s"', safecss_filter_attr( implode( ' ', $image_styles ) ) ) : '',
  93                  'class'      => "wp-block-avatar__image $image_classes ",
  94              )
  95          );
  96          if ( isset( $attributes['isLink'] ) && $attributes['isLink'] ) {
  97              $label = '';
  98              if ( '_blank' === $attributes['linkTarget'] ) {
  99                  // translators: %s is the Author name.
 100                  $label = 'aria-label="' . sprintf( esc_attr__( '(%s author archive, opens in a new tab)' ), $author_name ) . '"';
 101              }
 102              // translators: %1$s: Author archive link. %2$s: Link target. %3$s Aria label. %4$s Avatar image.
 103              $avatar_block = sprintf( '<a href="%1$s" target="%2$s" %3$s class="wp-block-avatar__link">%4$s</a>', get_author_posts_url( $author_id ), esc_attr( $attributes['linkTarget'] ), $label, $avatar_block );
 104          }
 105          return sprintf( '<div %1s>%2s</div>', $wrapper_attributes, $avatar_block );
 106      }
 107      $comment = get_comment( $block->context['commentId'] );
 108      /* translators: %s is the Comment Author name */
 109      $alt = sprintf( __( '%s Avatar' ), $comment->comment_author );
 110      if ( ! $comment ) {
 111          return '';
 112      }
 113      $avatar_block = get_avatar(
 114          $comment,
 115          $size,
 116          '',
 117          $alt,
 118          array(
 119              'extra_attr' => isset( $image_styles ) ? sprintf( ' style="%s"', safecss_filter_attr( implode( ' ', $image_styles ) ) ) : '',
 120              'class'      => "wp-block-avatar__image $image_classes",
 121          )
 122      );
 123      if ( isset( $attributes['isLink'] ) && $attributes['isLink'] && isset( $comment->comment_author_url ) && '' !== $comment->comment_author_url ) {
 124          $label = '';
 125          if ( '_blank' === $attributes['linkTarget'] ) {
 126              // translators: %s is the Comment Author name.
 127              $label = 'aria-label="' . sprintf( esc_attr__( '(%s website link, opens in a new tab)' ), $comment->comment_author ) . '"';
 128          }
 129          // translators: %1$s: Comment Author website link. %2$s: Link target. %3$s Aria label. %4$s Avatar image.
 130          $avatar_block = sprintf( '<a href="%1$s" target="%2$s" %3$s class="wp-block-avatar__link">%4$s</a>', $comment->comment_author_url, esc_attr( $attributes['linkTarget'] ), $label, $avatar_block );
 131      }
 132      return sprintf( '<div %1s>%2s</div>', $wrapper_attributes, $avatar_block );
 133  }
 134  
 135  /**
 136   * Registers the `core/avatar` block on the server.
 137   */
 138  function register_block_core_avatar() {
 139      register_block_type_from_metadata(
 140          __DIR__ . '/avatar',
 141          array(
 142              'render_callback' => 'render_block_core_avatar',
 143          )
 144      );
 145  }
 146  add_action( 'init', 'register_block_core_avatar' );