| 1 |
<?php |
| 2 |
|
| 3 |
namespace ABlocks\API; |
| 4 |
|
| 5 |
use WP_REST_Server; |
| 6 |
use WP_REST_Response; |
| 7 |
|
| 8 |
if ( ! defined( 'ABSPATH' ) ) { |
| 9 |
exit; |
| 10 |
} |
| 11 |
|
| 12 |
class LoopBuilderController { |
| 13 |
|
| 14 |
public function __construct() { |
| 15 |
add_action( 'rest_api_init', [ $this, 'register_routes' ] ); |
| 16 |
} |
| 17 |
|
| 18 |
public function register_routes() { |
| 19 |
|
| 20 |
register_rest_route( |
| 21 |
ABLOCKS_REST_NAMESPACE, |
| 22 |
'/loop-builder', |
| 23 |
[ |
| 24 |
'methods' => WP_REST_Server::READABLE, |
| 25 |
'callback' => [ $this, 'render_loop_builder' ], |
| 26 |
'permission_callback' => '__return_true', |
| 27 |
'args' => [ |
| 28 |
'loop_builder_block_id' => [ |
| 29 |
'required' => true, |
| 30 |
'type' => 'string', |
| 31 |
'sanitize_callback' => 'sanitize_text_field', |
| 32 |
], |
| 33 |
'loop_template_block_id' => [ |
| 34 |
'required' => true, |
| 35 |
'type' => 'string', |
| 36 |
'sanitize_callback' => 'sanitize_text_field', |
| 37 |
], |
| 38 |
'taxonomy' => [ |
| 39 |
'required' => false, |
| 40 |
'type' => 'string', |
| 41 |
'sanitize_callback' => 'sanitize_key', |
| 42 |
], |
| 43 |
'post_id' => [ |
| 44 |
'required' => false, |
| 45 |
'type' => 'integer', |
| 46 |
'sanitize_callback' => 'absint', |
| 47 |
], |
| 48 |
'term_id' => [ |
| 49 |
'required' => false, |
| 50 |
'type' => 'integer', |
| 51 |
'sanitize_callback' => 'absint', |
| 52 |
], |
| 53 |
'page' => [ |
| 54 |
'required' => false, |
| 55 |
'type' => 'integer', |
| 56 |
'default' => 1, |
| 57 |
'sanitize_callback' => 'absint', |
| 58 |
], |
| 59 |
'is_archive' => [ |
| 60 |
'required' => false, |
| 61 |
'type' => 'boolean', |
| 62 |
'default' => false, |
| 63 |
], |
| 64 |
'archive_post_type' => [ |
| 65 |
'required' => false, |
| 66 |
'type' => 'string', |
| 67 |
'sanitize_callback' => 'sanitize_key', |
| 68 |
], |
| 69 |
], |
| 70 |
] |
| 71 |
); |
| 72 |
} |
| 73 |
|
| 74 |
public function render_loop_builder( $payload ) { |
| 75 |
|
| 76 |
$post_id = $payload['post_id']; |
| 77 |
$loop_builder_block_id = $payload['loop_builder_block_id']; |
| 78 |
$loop_template_block_id = $payload['loop_template_block_id']; |
| 79 |
$taxonomy = $payload['taxonomy']; |
| 80 |
$term_id = (int) $payload['term_id']; |
| 81 |
$page = (int) ( isset( $payload['page'] ) ? $payload['page'] : 1 ); |
| 82 |
$is_archive = (bool) ( isset( $payload['is_archive'] ) ? $payload['is_archive'] : false ); |
| 83 |
|
| 84 |
// This route is public, so the request may only narrow the loop to a |
| 85 |
// post type or taxonomy the site already exposes to visitors. sanitize_key |
| 86 |
// fixes the spelling, not the visibility: without this an anonymous |
| 87 |
// request could point an archive loop at an internal post type. |
| 88 |
if ( ! empty( $payload['archive_post_type'] ) && ! is_post_type_viewable( (string) $payload['archive_post_type'] ) ) { |
| 89 |
return $this->empty_response( $term_id, $post_id, 400 ); |
| 90 |
} |
| 91 |
if ( ! empty( $taxonomy ) && ! is_taxonomy_viewable( (string) $taxonomy ) ) { |
| 92 |
return $this->empty_response( $term_id, $post_id, 400 ); |
| 93 |
} |
| 94 |
|
| 95 |
/* ---------------- ARCHIVE LOGIC (UNCHANGED) ---------------- */ |
| 96 |
|
| 97 |
if ( $is_archive ) { |
| 98 |
|
| 99 |
$template_slug = ''; |
| 100 |
if ( ! empty( $payload['archive_post_type'] ) ) { |
| 101 |
$template_slug = 'archive-' . $payload['archive_post_type']; |
| 102 |
|
| 103 |
} elseif ( ! empty( $payload['taxonomy'] ) ) { |
| 104 |
|
| 105 |
if ( ! empty( $payload['term_slug'] ) ) { |
| 106 |
$template_slug = 'archive-' . $payload['taxonomy'] . '-' . $payload['term_slug']; |
| 107 |
} else { |
| 108 |
$template_slug = 'archive-' . $payload['taxonomy']; |
| 109 |
} |
| 110 |
} |
| 111 |
|
| 112 |
$theme_slug = wp_get_theme()->get_stylesheet(); |
| 113 |
|
| 114 |
$template_posts = get_posts([ |
| 115 |
'post_type' => 'wp_template', |
| 116 |
'post_status' => 'publish', |
| 117 |
'numberposts' => 1, |
| 118 |
'name' => $template_slug, |
| 119 |
'tax_query' => [ |
| 120 |
[ |
| 121 |
'taxonomy' => 'wp_theme', |
| 122 |
'field' => 'slug', |
| 123 |
'terms' => $theme_slug, |
| 124 |
], |
| 125 |
], |
| 126 |
]); |
| 127 |
|
| 128 |
$template_post = current( $template_posts ); |
| 129 |
$blocks = $template_post ? parse_blocks( $template_post->post_content ) : []; |
| 130 |
|
| 131 |
} else { |
| 132 |
|
| 133 |
$post = get_post( $post_id ); |
| 134 |
$blocks = $this->is_post_readable( $post ) ? parse_blocks( $post->post_content ) : []; |
| 135 |
}//end if |
| 136 |
|
| 137 |
// The loop may sit inside a synced pattern or template part referenced |
| 138 |
// from the content, or in the theme template rendered around the post. |
| 139 |
$loop_builder_block = $this->find_block( $blocks, $loop_builder_block_id, 'ablocks/loop-builder' ); |
| 140 |
if ( ! $loop_builder_block ) { |
| 141 |
$loop_builder_block = $this->find_block_in_theme_templates( $loop_builder_block_id, 'ablocks/loop-builder' ); |
| 142 |
} |
| 143 |
|
| 144 |
if ( ! $loop_builder_block ) { |
| 145 |
return $this->empty_response( $term_id, $post_id, 404 ); |
| 146 |
} |
| 147 |
|
| 148 |
$block_data = [ 'parentAttributes' => $loop_builder_block['attrs'] ]; |
| 149 |
$blocks = [ $loop_builder_block ]; |
| 150 |
|
| 151 |
/* ---------------- QUERY LOGIC (UNCHANGED) ---------------- */ |
| 152 |
|
| 153 |
$query_vars = isset( $block_data['parentAttributes']['query'] ) |
| 154 |
? $this->convert_to_wp_query_args( $block_data['parentAttributes']['query'] ) |
| 155 |
: [ |
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'post_type' => 'post', |
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'post_status' => 'publish', |
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'posts_per_page' => get_option( 'posts_per_page' ), |
| 159 |
]; |
| 160 |
|
| 161 |
if ( $is_archive && ! empty( $payload['archive_post_type'] ) ) { |
| 162 |
$query_vars['post_type'] = $payload['archive_post_type']; |
| 163 |
} |
| 164 |
|
| 165 |
// "Load more" asks for page N and receives the first N pages at once, so |
| 166 |
// the request's page number multiplies the stored page size. It comes |
| 167 |
// from an anonymous request, so bound the result: at most |
| 168 |
// `ablocks/loop_builder/max_posts_per_request` posts (never fewer than |
| 169 |
// one stored page), however large the page number. |
| 170 |
$per_page = (int) $query_vars['posts_per_page']; |
| 171 |
$max_posts = (int) apply_filters( 'ablocks/loop_builder/max_posts_per_request', 100, $block_data['parentAttributes'] ); |
| 172 |
if ( $per_page < 1 ) { |
| 173 |
// A loop set to show every post still gets the bound. |
| 174 |
$query_vars['posts_per_page'] = max( 1, $max_posts ); |
| 175 |
} else { |
| 176 |
$max_posts = max( $per_page, $max_posts ); |
| 177 |
$page = max( 1, min( $page, (int) ceil( $max_posts / $per_page ) ) ); |
| 178 |
$query_vars['posts_per_page'] = min( $per_page * $page, $max_posts ); |
| 179 |
} |
| 180 |
|
| 181 |
if ( ! empty( $taxonomy ) && $term_id ) { |
| 182 |
$query_vars['tax_query'] = [ |
| 183 |
[ |
| 184 |
'taxonomy' => $taxonomy, |
| 185 |
'field' => 'term_id', |
| 186 |
'terms' => [ $term_id ], |
| 187 |
'operator' => 'IN', |
| 188 |
], |
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]; |
| 190 |
} |
| 191 |
|
| 192 |
$updated_blocks = $this->update_loop_builder_query( |
| 193 |
$blocks, |
| 194 |
$loop_template_block_id, |
| 195 |
$query_vars, |
| 196 |
$term_id |
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); |
| 198 |
|
| 199 |
$html = ''; |
| 200 |
|
| 201 |
foreach ( $updated_blocks as $block ) { |
| 202 |
$html .= serialize_block( $block ); |
| 203 |
} |
| 204 |
|
| 205 |
// Render the fragment the way block templates are rendered. Running the |
| 206 |
// already-rendered markup through the_content re-applied wpautop (stray |
| 207 |
// <p> tags) and let other plugins append their post-content extras. |
| 208 |
$rendered = do_shortcode( shortcode_unautop( $html ) ); |
| 209 |
$rendered = do_blocks( $rendered ); |
| 210 |
$rendered = wptexturize( $rendered ); |
| 211 |
$rendered = convert_smilies( $rendered ); |
| 212 |
$rendered = wp_filter_content_tags( $rendered, 'template' ); |
| 213 |
|
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/* ---------------- REST RESPONSE (ONLY CHANGE) ---------------- */ |
| 215 |
|
| 216 |
return new WP_REST_Response( |
| 217 |
[ |
| 218 |
'success' => true, |
| 219 |
'data' => [ |
| 220 |
'html' => $rendered, |
| 221 |
'term_id' => $term_id, |
| 222 |
'post_id' => $post_id, |
| 223 |
], |
| 224 |
], |
| 225 |
200 |
| 226 |
); |
| 227 |
} |
| 228 |
|
| 229 |
/** |
| 230 |
* The response for a request that cannot be rendered. |
| 231 |
*/ |
| 232 |
private function empty_response( $term_id, $post_id, $status ) { |
| 233 |
return new WP_REST_Response( |
| 234 |
[ |
| 235 |
'success' => false, |
| 236 |
'data' => [ |
| 237 |
'html' => '', |
| 238 |
'term_id' => $term_id, |
| 239 |
'post_id' => $post_id, |
| 240 |
], |
| 241 |
], |
| 242 |
$status |
| 243 |
); |
| 244 |
} |
| 245 |
|
| 246 |
/** |
| 247 |
* Only published, non-password-protected content is public; anything else |
| 248 |
* needs the current user to be able to read it. |
| 249 |
*/ |
| 250 |
private function is_post_readable( $post ) { |
| 251 |
if ( ! $post instanceof \WP_Post ) { |
| 252 |
return false; |
| 253 |
} |
| 254 |
if ( 'publish' === $post->post_status && ! post_password_required( $post ) ) { |
| 255 |
return true; |
| 256 |
} |
| 257 |
return current_user_can( 'read_post', $post->ID ); |
| 258 |
} |
| 259 |
|
| 260 |
/** |
| 261 |
* Find a block by name + block_id, following synced pattern references |
| 262 |
* (core/block) and template parts (core/template-part). |
| 263 |
*/ |
| 264 |
private function find_block( array $blocks, $block_id, $block_name, array $visited = [] ) { |
| 265 |
foreach ( $blocks as $block ) { |
| 266 |
$name = isset( $block['blockName'] ) ? $block['blockName'] : ''; |
| 267 |
|
| 268 |
if ( $name === $block_name && ( isset( $block['attrs']['block_id'] ) ? $block['attrs']['block_id'] : '' ) === $block_id ) { |
| 269 |
return $block; |
| 270 |
} |
| 271 |
|
| 272 |
if ( ! empty( $block['innerBlocks'] ) ) { |
| 273 |
$found = $this->find_block( $block['innerBlocks'], $block_id, $block_name, $visited ); |
| 274 |
if ( $found ) { |
| 275 |
return $found; |
| 276 |
} |
| 277 |
} |
| 278 |
|
| 279 |
$ref_key = ''; |
| 280 |
$content = null; |
| 281 |
if ( 'core/block' === $name && ! empty( $block['attrs']['ref'] ) ) { |
| 282 |
$ref_key = 'wp_block:' . (int) $block['attrs']['ref']; |
| 283 |
if ( ! isset( $visited[ $ref_key ] ) ) { |
| 284 |
$ref_post = get_post( (int) $block['attrs']['ref'] ); |
| 285 |
if ( $ref_post && 'wp_block' === $ref_post->post_type && $this->is_post_readable( $ref_post ) ) { |
| 286 |
$content = $ref_post->post_content; |
| 287 |
} |
| 288 |
} |
| 289 |
} elseif ( 'core/template-part' === $name && ! empty( $block['attrs']['slug'] ) ) { |
| 290 |
$theme = ! empty( $block['attrs']['theme'] ) ? $block['attrs']['theme'] : get_stylesheet(); |
| 291 |
$ref_key = 'wp_template_part:' . $theme . '//' . $block['attrs']['slug']; |
| 292 |
if ( ! isset( $visited[ $ref_key ] ) ) { |
| 293 |
$part = get_block_template( $theme . '//' . $block['attrs']['slug'], 'wp_template_part' ); |
| 294 |
if ( $part && 'publish' === $part->status ) { |
| 295 |
$content = $part->content; |
| 296 |
} |
| 297 |
} |
| 298 |
} |
| 299 |
|
| 300 |
if ( is_string( $content ) && '' !== $content ) { |
| 301 |
$visited[ $ref_key ] = true; |
| 302 |
$found = $this->find_block( parse_blocks( $content ), $block_id, $block_name, $visited ); |
| 303 |
if ( $found ) { |
| 304 |
return $found; |
| 305 |
} |
| 306 |
} |
| 307 |
}//end foreach |
| 308 |
return null; |
| 309 |
} |
| 310 |
|
| 311 |
/** |
| 312 |
* Fallback for loops placed in the active theme's templates or template |
| 313 |
* parts rather than in the post content itself. |
| 314 |
*/ |
| 315 |
private function find_block_in_theme_templates( $block_id, $block_name ) { |
| 316 |
foreach ( [ 'wp_template', 'wp_template_part' ] as $template_type ) { |
| 317 |
foreach ( get_block_templates( [], $template_type ) as $template ) { |
| 318 |
$content = (string) $template->content; |
| 319 |
if ( |
| 320 |
'publish' !== $template->status || |
| 321 |
( false === strpos( $content, $block_id ) && false === strpos( $content, '<!-- wp:block ' ) && false === strpos( $content, '<!-- wp:template-part ' ) ) |
| 322 |
) { |
| 323 |
continue; |
| 324 |
} |
| 325 |
$found = $this->find_block( parse_blocks( $content ), $block_id, $block_name ); |
| 326 |
if ( $found ) { |
| 327 |
return $found; |
| 328 |
} |
| 329 |
} |
| 330 |
} |
| 331 |
return null; |
| 332 |
} |
| 333 |
|
| 334 |
public function get_loop_builder_blocks_by_block_id( $blocks, $target_block_id ) { |
| 335 |
foreach ( $blocks as $block ) { |
| 336 |
if ( ! empty( $block['attrs']['block_id'] ) && $block['attrs']['block_id'] === $target_block_id ) { |
| 337 |
return [ $block ]; |
| 338 |
} |
| 339 |
if ( ! empty( $block['innerBlocks'] ) ) { |
| 340 |
$found = $this->get_loop_builder_blocks_by_block_id( $block['innerBlocks'], $target_block_id ); |
| 341 |
if ( ! empty( $found ) ) { |
| 342 |
return $found; |
| 343 |
} |
| 344 |
} |
| 345 |
} |
| 346 |
return []; |
| 347 |
} |
| 348 |
|
| 349 |
public function update_loop_builder_query( $blocks, $loop_template_block_id, $query_vars, $term_id ) { |
| 350 |
foreach ( $blocks as &$block ) { |
| 351 |
// perfectly not worked if multiple loop used |
| 352 |
// !empty($block['attrs']['block_id']) && $block['attrs']['block_id'] === $loop_template_block_id |
| 353 |
|
| 354 |
if ( ! empty( $block['blockName'] ) && $block['blockName'] === 'ablocks/loop-template' ) { |
| 355 |
if ( ! isset( $block['attrs']['query'] ) ) { |
| 356 |
$block['attrs']['query'] = []; |
| 357 |
} |
| 358 |
// Merge new query vars |
| 359 |
$block['attrs']['query'] = array_merge( $block['attrs']['query'], $query_vars ); |
| 360 |
} |
| 361 |
|
| 362 |
if ( 'ablocks/loop-filter' === $block['blockName'] ) { |
| 363 |
$block['attrs']['active_term_id'] = $term_id; |
| 364 |
} |
| 365 |
|
| 366 |
// Recurse into inner blocks |
| 367 |
if ( ! empty( $block['innerBlocks'] ) ) { |
| 368 |
$block['innerBlocks'] = $this->update_loop_builder_query( $block['innerBlocks'], $loop_template_block_id, $query_vars, $term_id ); |
| 369 |
} |
| 370 |
}//end foreach |
| 371 |
return $blocks; |
| 372 |
} |
| 373 |
|
| 374 |
public function convert_to_wp_query_args( array $input ): array { |
| 375 |
$args = [ |
| 376 |
'post_status' => 'publish', |
| 377 |
]; |
| 378 |
|
| 379 |
// Basic pagination |
| 380 |
$args['posts_per_page'] = isset( $input['perPage'] ) ? (int) $input['perPage'] : get_option( 'posts_per_page' ); |
| 381 |
$args['paged'] = isset( $input['pages'] ) && $input['pages'] > 0 ? (int) $input['pages'] : 1; |
| 382 |
|
| 383 |
// Post type |
| 384 |
if ( ! empty( $input['postType'] ) ) { |
| 385 |
$args['post_type'] = $input['postType']; |
| 386 |
} |
| 387 |
|
| 388 |
// Order and orderby |
| 389 |
if ( ! empty( $input['order'] ) ) { |
| 390 |
$args['order'] = $input['order']; |
| 391 |
} |
| 392 |
|
| 393 |
if ( ! empty( $input['orderBy'] ) ) { |
| 394 |
$args['orderby'] = $input['orderBy']; |
| 395 |
} |
| 396 |
|
| 397 |
// Author |
| 398 |
if ( ! empty( $input['author'] ) ) { |
| 399 |
$args['author'] = $input['author']; |
| 400 |
} |
| 401 |
|
| 402 |
// Search |
| 403 |
if ( ! empty( $input['search'] ) ) { |
| 404 |
$args['s'] = $input['search']; |
| 405 |
} |
| 406 |
|
| 407 |
// Exclude posts |
| 408 |
if ( ! empty( $input['exclude'] ) && is_array( $input['exclude'] ) ) { |
| 409 |
$args['post__not_in'] = array_map( 'intval', $input['exclude'] ); |
| 410 |
} |
| 411 |
|
| 412 |
// Sticky posts |
| 413 |
if ( ! empty( $input['sticky'] ) ) { |
| 414 |
if ( $input['sticky'] === 'include' ) { |
| 415 |
$args['ignore_sticky_posts'] = 0; |
| 416 |
} elseif ( $input['sticky'] === 'exclude' ) { |
| 417 |
$args['ignore_sticky_posts'] = 1; |
| 418 |
} |
| 419 |
} |
| 420 |
|
| 421 |
// Post parent (for hierarchical post types like pages) |
| 422 |
if ( ! empty( $input['parents'] ) && is_array( $input['parents'] ) ) { |
| 423 |
$args['post_parent__in'] = array_map( 'intval', $input['parents'] ); |
| 424 |
} |
| 425 |
|
| 426 |
// Offset |
| 427 |
if ( isset( $input['offset'] ) ) { |
| 428 |
$args['offset'] = (int) $input['offset']; |
| 429 |
} |
| 430 |
|
| 431 |
// Format (post format taxonomy) |
| 432 |
if ( ! empty( $input['format'] ) ) { |
| 433 |
$args['tax_query'][] = [ |
| 434 |
'taxonomy' => 'post_format', |
| 435 |
'field' => 'slug', |
| 436 |
'terms' => [ 'post-format-' . sanitize_title( $input['format'] ) ], |
| 437 |
]; |
| 438 |
} |
| 439 |
|
| 440 |
// Category |
| 441 |
if ( ! empty( $input['category'] ) ) { |
| 442 |
$args['category_name'] = $input['category']; |
| 443 |
} |
| 444 |
|
| 445 |
// Tag |
| 446 |
if ( ! empty( $input['tag'] ) ) { |
| 447 |
$args['tag'] = $input['tag']; |
| 448 |
} |
| 449 |
|
| 450 |
// Generic taxonomy query |
| 451 |
if ( ! empty( $input['taxonomy'] ) && ! empty( $input['value'] ) ) { |
| 452 |
$args['tax_query'][] = [ |
| 453 |
'taxonomy' => $input['taxonomy'], |
| 454 |
'field' => 'slug', |
| 455 |
'terms' => is_array( $input['value'] ) ? $input['value'] : [ $input['value'] ], |
| 456 |
]; |
| 457 |
} |
| 458 |
|
| 459 |
return $args; |
| 460 |
} |
| 461 |
} |
| 462 |
|
