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| 1 | <?php |
| 2 | /** |
| 3 | * SwapAds Client — Backlinks Gutenberg Block (F236). |
| 4 | * |
| 5 | * Registers `swapads/backlinks` Gutenberg block for drag-and-drop |
| 6 | * placement in post + page editors. Renders the same output as |
| 7 | * `[swapads_backlinks]` shortcode via the shared BacklinksRenderer. |
| 8 | * |
| 9 | * Block attributes mirror the shortcode attributes: |
| 10 | * - count : int 1-50 (default 5) |
| 11 | * - mode : string list|card|text (default list) |
| 12 | * - audience : string filter by audience code (optional) |
| 13 | * - category : string filter by host substring (optional) |
| 14 | * - random : bool random order (default false) |
| 15 | * - align : string wide|full|center|right|left|'' (WP align attr) |
| 16 | * |
| 17 | * @since 1.5.3 |
| 18 | */ |
| 19 | |
| 20 | declare(strict_types=1); |
| 21 | |
| 22 | namespace SwapAds\Client\Blocks; |
| 23 | |
| 24 | use SwapAds\Client\Backlinks\BacklinksRenderer; |
| 25 | |
| 26 | /** |
| 27 | * Class BacklinksBlock. |
| 28 | * |
| 29 | * @since 1.5.3 |
| 30 | */ |
| 31 | final class BacklinksBlock |
| 32 | { |
| 33 | public const BLOCK_NAME = 'swapads/backlinks'; |
| 34 | public const SCRIPT_HANDLE = 'swapads-backlinks-block-editor'; |
| 35 | |
| 36 | /** |
| 37 | * Register the block + editor script. |
| 38 | */ |
| 39 | public static function register(): void |
| 40 | { |
| 41 | if (!function_exists('register_block_type')) { |
| 42 | return; |
| 43 | } |
| 44 | |
| 45 | // F236: editor script defines the inspector controls + live |
| 46 | // preview. Front-end posts use the server-side render_callback |
| 47 | // below — no JS needed on the visitor side. |
| 48 | if (function_exists('wp_register_script')) { |
| 49 | wp_register_script( |
| 50 | self::SCRIPT_HANDLE, |
| 51 | plugin_dir_url(__FILE__) . '../../assets/js/backlinks-block-editor.js', |
| 52 | ['wp-blocks', 'wp-element', 'wp-block-editor', 'wp-components', 'wp-i18n'], |
| 53 | '1.5.7', |
| 54 | true |
| 55 | ); |
| 56 | } |
| 57 | |
| 58 | register_block_type(self::BLOCK_NAME, [ |
| 59 | 'api_version' => 2, |
| 60 | 'title' => __('SwapAds Backlinks', 'swapads'), |
| 61 | 'description' => __('Display approved backlinks from your SwapAds partners. Configurable count, display mode, audience + category filters.', 'swapads'), |
| 62 | 'category' => 'swapads', |
| 63 | 'icon' => 'admin-links', |
| 64 | 'keywords' => ['backlinks', 'swapads', 'partners', 'barter'], |
| 65 | 'supports' => [ |
| 66 | 'align' => ['wide', 'full'], |
| 67 | 'html' => false, |
| 68 | 'reusable' => false, |
| 69 | ], |
| 70 | 'attributes' => [ |
| 71 | 'count' => [ |
| 72 | 'type' => 'number', |
| 73 | 'default' => BacklinksRenderer::DEFAULT_COUNT, |
| 74 | ], |
| 75 | 'mode' => [ |
| 76 | 'type' => 'string', |
| 77 | 'default' => BacklinksRenderer::MODE_LIST, |
| 78 | ], |
| 79 | 'audience' => [ |
| 80 | 'type' => 'string', |
| 81 | 'default' => '', |
| 82 | ], |
| 83 | 'category' => [ |
| 84 | 'type' => 'string', |
| 85 | 'default' => '', |
| 86 | ], |
| 87 | 'random' => [ |
| 88 | 'type' => 'boolean', |
| 89 | 'default' => false, |
| 90 | ], |
| 91 | 'align' => [ |
| 92 | 'type' => 'string', |
| 93 | 'default' => '', |
| 94 | ], |
| 95 | ], |
| 96 | 'editor_script' => self::SCRIPT_HANDLE, |
| 97 | 'render_callback' => [self::class, 'render'], |
| 98 | ]); |
| 99 | } |
| 100 | |
| 101 | /** |
| 102 | * Server-side render callback for the block. |
| 103 | * |
| 104 | * @param array<string, mixed> $attributes |
| 105 | * |
| 106 | * @return string Rendered HTML, empty string when nothing to show. |
| 107 | */ |
| 108 | public static function render(array $attributes): string |
| 109 | { |
| 110 | $html = BacklinksRenderer::render([ |
| 111 | 'count' => (int) ($attributes['count'] ?? BacklinksRenderer::DEFAULT_COUNT), |
| 112 | 'mode' => (string) ($attributes['mode'] ?? BacklinksRenderer::MODE_LIST), |
| 113 | 'audience' => (string) ($attributes['audience'] ?? ''), |
| 114 | 'category' => (string) ($attributes['category'] ?? ''), |
| 115 | 'random' => (bool) ($attributes['random'] ?? false), |
| 116 | // F236: block editor previews should NOT cache. Operators see |
| 117 | // the latest state of their approvals as they tweak controls. |
| 118 | 'cache' => false, |
| 119 | ]); |
| 120 | if ($html === '') { |
| 121 | // Empty placeholder so the block doesn't disappear in the editor. |
| 122 | $count = (int) ($attributes['count'] ?? BacklinksRenderer::DEFAULT_COUNT); |
| 123 | $mode = (string) ($attributes['mode'] ?? BacklinksRenderer::MODE_LIST); |
| 124 | $html = '<div class="swapads-backlinks swapads-backlinks-placeholder swapads-backlinks-' . esc_attr($mode) . '" data-count="' . esc_attr((string) $count) . '"></div>'; |
| 125 | } |
| 126 | |
| 127 | $align = (string) ($attributes['align'] ?? ''); |
| 128 | if ($align !== '') { |
| 129 | $html = '<div class="wp-block-swapads-backlinks align' . esc_attr($align) . '">' . $html . '</div>'; |
| 130 | } |
| 131 | return $html; |
| 132 | } |
| 133 | } |