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| 1 | <?php |
| 2 | /** |
| 3 | * The WordPress.com marketplace catalog, shaped for core's plugin browser. |
| 4 | * |
| 5 | * @package automattic/jetpack-mu-wpcom |
| 6 | */ |
| 7 | |
| 8 | namespace Automattic\Jetpack\Jetpack_Mu_Wpcom; |
| 9 | |
| 10 | use Automattic\Jetpack\Connection\Client; |
| 11 | |
| 12 | /** |
| 13 | * Reads the plugins WordPress.com sells and normalizes them into the array shape |
| 14 | * `WP_Plugin_Install_List_Table` expects to get back from `plugins_api()`. |
| 15 | * |
| 16 | * Descriptions are most of the payload and are only read by the details modal, so |
| 17 | * they are dropped from the cached list and re-fetched per product when it opens. |
| 18 | */ |
| 19 | class Marketplace_Catalog { |
| 20 | |
| 21 | /** |
| 22 | * Bumped whenever the shape of a cached card or description changes, so sites |
| 23 | * do not keep serving data built by the previous version until it expires. |
| 24 | */ |
| 25 | const CACHE_VERSION = 7; |
| 26 | |
| 27 | /** |
| 28 | * Transient holding the normalized product list. |
| 29 | */ |
| 30 | const LIST_CACHE_KEY = 'wpcom_marketplace_catalog_v' . self::CACHE_VERSION; |
| 31 | |
| 32 | /** |
| 33 | * Transient prefix for a single product's full details. |
| 34 | */ |
| 35 | const PRODUCT_CACHE_PREFIX = 'wpcom_marketplace_product_v' . self::CACHE_VERSION . '_'; |
| 36 | |
| 37 | /** |
| 38 | * How long a successful read is cached for. |
| 39 | */ |
| 40 | const CACHE_TTL = 6 * HOUR_IN_SECONDS; |
| 41 | |
| 42 | /** |
| 43 | * How long a failed read is cached for. Short, but non-zero, so an outage does |
| 44 | * not mean an outbound request per page load. |
| 45 | */ |
| 46 | const MISS_CACHE_TTL = 5 * MINUTE_IN_SECONDS; |
| 47 | |
| 48 | /** |
| 49 | * Block-level tags, used to work out which stripped tags owe a paragraph break. |
| 50 | */ |
| 51 | private const MODAL_BLOCK_TAGS = array( |
| 52 | 'address', |
| 53 | 'article', |
| 54 | 'aside', |
| 55 | 'blockquote', |
| 56 | 'dd', |
| 57 | 'div', |
| 58 | 'dl', |
| 59 | 'dt', |
| 60 | 'fieldset', |
| 61 | 'figcaption', |
| 62 | 'figure', |
| 63 | 'footer', |
| 64 | 'h1', |
| 65 | 'h2', |
| 66 | 'h3', |
| 67 | 'h4', |
| 68 | 'h5', |
| 69 | 'h6', |
| 70 | 'header', |
| 71 | 'li', |
| 72 | 'main', |
| 73 | 'nav', |
| 74 | 'ol', |
| 75 | 'p', |
| 76 | 'pre', |
| 77 | 'section', |
| 78 | 'table', |
| 79 | 'tbody', |
| 80 | 'td', |
| 81 | 'tfoot', |
| 82 | 'th', |
| 83 | 'thead', |
| 84 | 'tr', |
| 85 | 'ul', |
| 86 | ); |
| 87 | |
| 88 | /** |
| 89 | * The markup a vendor description keeps once it reaches the details modal. |
| 90 | * |
| 91 | * Headings run to h6 because core's own `$plugins_allowedtags` does, so keeping |
| 92 | * them costs nothing downstream. Everything absent from here is stripped, and |
| 93 | * `to_modal_html()` derives from this which block tags owe a paragraph break. |
| 94 | */ |
| 95 | private const MODAL_TAGS = array( |
| 96 | 'a' => array( |
| 97 | 'href' => array(), |
| 98 | 'title' => array(), |
| 99 | ), |
| 100 | 'blockquote' => array(), |
| 101 | 'br' => array(), |
| 102 | 'code' => array(), |
| 103 | 'em' => array(), |
| 104 | 'h1' => array(), |
| 105 | 'h2' => array(), |
| 106 | 'h3' => array(), |
| 107 | 'h4' => array(), |
| 108 | 'h5' => array(), |
| 109 | 'h6' => array(), |
| 110 | 'li' => array(), |
| 111 | 'ol' => array(), |
| 112 | 'p' => array(), |
| 113 | 'strong' => array(), |
| 114 | 'ul' => array(), |
| 115 | ); |
| 116 | |
| 117 | /** |
| 118 | * Every purchasable plugin, keyed by slug, in the order wpcom returns them. |
| 119 | * |
| 120 | * @return array<string, array> Normalized product data, empty when the catalog cannot be read. |
| 121 | */ |
| 122 | public static function get_products() { |
| 123 | $cached = get_transient( self::LIST_CACHE_KEY ); |
| 124 | if ( is_array( $cached ) ) { |
| 125 | return $cached; |
| 126 | } |
| 127 | |
| 128 | $response = self::request( '/marketplace/products?type=launched' ); |
| 129 | |
| 130 | if ( ! is_array( $response ) || ! is_array( $response['results'] ?? null ) ) { |
| 131 | set_transient( self::LIST_CACHE_KEY, array(), self::MISS_CACHE_TTL ); |
| 132 | return array(); |
| 133 | } |
| 134 | |
| 135 | $products = self::attach_pricing( self::to_catalog( $response['results'] ), self::fetch_store_products() ); |
| 136 | |
| 137 | set_transient( self::LIST_CACHE_KEY, $products, self::CACHE_TTL ); |
| 138 | |
| 139 | return $products; |
| 140 | } |
| 141 | |
| 142 | /** |
| 143 | * Turns an endpoint response into the catalog we list. |
| 144 | * |
| 145 | * Order is load-bearing: wpcom ranks the response by active subscriptions, so |
| 146 | * the best sellers arrive first. Do not sort or re-key what comes back. |
| 147 | * |
| 148 | * @param array $results Products as the marketplace endpoint returns them. |
| 149 | * @return array<string, array> Normalized products, keyed by slug. |
| 150 | */ |
| 151 | public static function to_catalog( array $results ) { |
| 152 | $products = array(); |
| 153 | |
| 154 | foreach ( $results as $product ) { |
| 155 | if ( ! is_array( $product ) || empty( $product['slug'] ) ) { |
| 156 | continue; |
| 157 | } |
| 158 | |
| 159 | // Retired products stay available to existing subscribers but are no longer sold. |
| 160 | if ( ! empty( $product['is_retired'] ) || ! empty( $product['is_hidden'] ) ) { |
| 161 | continue; |
| 162 | } |
| 163 | |
| 164 | $card = self::to_card( $product ); |
| 165 | |
| 166 | $products[ $card['slug'] ] = $card; |
| 167 | } |
| 168 | |
| 169 | return $products; |
| 170 | } |
| 171 | |
| 172 | /** |
| 173 | * One product's card data, as it appears in the browse list. |
| 174 | * |
| 175 | * @param string $slug Plugin slug. |
| 176 | * @return array|null Normalized product data, or null when the slug is not ours. |
| 177 | */ |
| 178 | public static function get_product( $slug ) { |
| 179 | $products = self::get_products(); |
| 180 | |
| 181 | return $products[ $slug ] ?? null; |
| 182 | } |
| 183 | |
| 184 | /** |
| 185 | * One product with the long-form fields the details modal renders. |
| 186 | * |
| 187 | * @param string $slug Plugin slug. |
| 188 | * @return array|null Normalized product data, or null when the slug is not ours. |
| 189 | */ |
| 190 | public static function get_product_details( $slug ) { |
| 191 | $card = self::get_product( $slug ); |
| 192 | if ( null === $card ) { |
| 193 | return null; |
| 194 | } |
| 195 | |
| 196 | $cache_key = self::PRODUCT_CACHE_PREFIX . $slug; |
| 197 | $cached = get_transient( $cache_key ); |
| 198 | if ( is_array( $cached ) ) { |
| 199 | return $cached; |
| 200 | } |
| 201 | |
| 202 | $product = self::request( '/marketplace/products/' . rawurlencode( $card['wpcom_product_slug'] ?? $slug ) ); |
| 203 | |
| 204 | // The card carries every field the modal needs except the long description. |
| 205 | if ( ! is_array( $product ) || empty( $product['slug'] ) ) { |
| 206 | $details = self::to_details( $card ); |
| 207 | |
| 208 | set_transient( $cache_key, $details, self::MISS_CACHE_TTL ); |
| 209 | |
| 210 | return $details; |
| 211 | } |
| 212 | |
| 213 | $details = self::to_details( self::to_card( $product ) ); |
| 214 | |
| 215 | $raw = is_string( $product['description'] ?? null ) ? $product['description'] : ''; |
| 216 | |
| 217 | $description = self::to_modal_html( $raw ); |
| 218 | if ( '' !== $description ) { |
| 219 | $details['sections']['description'] = $description; |
| 220 | } |
| 221 | |
| 222 | $screenshots = self::to_screenshots_html( $raw ); |
| 223 | if ( '' !== $screenshots ) { |
| 224 | $details['sections']['screenshots'] = $screenshots; |
| 225 | } |
| 226 | |
| 227 | set_transient( $cache_key, $details, self::CACHE_TTL ); |
| 228 | |
| 229 | return $details; |
| 230 | } |
| 231 | |
| 232 | /** |
| 233 | * Strips the fields that only exist to satisfy the browse list. |
| 234 | * |
| 235 | * The list table reads active_installs unguarded, so a card has to carry it, but |
| 236 | * the details modal guards on isset() and renders 0 as "Less Than 10", which we |
| 237 | * would be stating as fact about a plugin we have no install count for. |
| 238 | * |
| 239 | * @param array $card Normalized card data. |
| 240 | * @return array |
| 241 | */ |
| 242 | private static function to_details( array $card ) { |
| 243 | unset( $card['active_installs'], $card['downloaded'] ); |
| 244 | |
| 245 | return $card; |
| 246 | } |
| 247 | |
| 248 | /** |
| 249 | * Moves the vendor's images into a screenshots section. |
| 250 | * |
| 251 | * Core constrains images in `#section-screenshots` and nowhere else, which is why |
| 252 | * WordPress.org plugins put them there rather than in the description. Rebuilt |
| 253 | * from the source URLs alone so none of the vendor's own markup comes with them. |
| 254 | * |
| 255 | * @param string $html Description as the marketplace endpoint returns it. |
| 256 | * @return string Section markup, or an empty string when there are no images. |
| 257 | */ |
| 258 | public static function to_screenshots_html( $html ) { |
| 259 | if ( '' === $html || ! preg_match_all( '#<img[^>]*?\s src=[\'"]([^\'"]+)[\'"]#ix', $html, $matches ) ) { |
| 260 | return ''; |
| 261 | } |
| 262 | |
| 263 | $items = ''; |
| 264 | foreach ( array_unique( $matches[1] ) as $src ) { |
| 265 | $url = esc_url( $src ); |
| 266 | if ( '' !== $url ) { |
| 267 | $items .= sprintf( '<li><img src="%s" alt="" /></li>', $url ); |
| 268 | } |
| 269 | } |
| 270 | |
| 271 | return '' === $items ? '' : '<ol>' . $items . '</ol>'; |
| 272 | } |
| 273 | |
| 274 | /** |
| 275 | * Reduces a vendor description to markup core's details modal can render. |
| 276 | * |
| 277 | * These are WooCommerce.com product pages: layout divs, full-width figures and |
| 278 | * inline styles, with the spacing living in a stylesheet the modal does not load. |
| 279 | * Left alone they overflow its ~600px column and the text runs together. |
| 280 | * |
| 281 | * @param string $html Description as the marketplace endpoint returns it. |
| 282 | * @return string |
| 283 | */ |
| 284 | public static function to_modal_html( $html ) { |
| 285 | if ( '' === $html ) { |
| 286 | return ''; |
| 287 | } |
| 288 | |
| 289 | /* |
| 290 | * Core's own modal allowlist has no b or i, so that emphasis would be dropped |
| 291 | * one filter later. Normalized first so it survives, and so neither tag is |
| 292 | * still around when the block tags are counted below. |
| 293 | */ |
| 294 | $html = preg_replace( '#<(/?)b\b([^>]*)>#i', '<$1strong$2>', $html ); |
| 295 | $html = preg_replace( '#<(/?)i\b([^>]*)>#i', '<$1em$2>', $html ); |
| 296 | |
| 297 | /* |
| 298 | * A block tag that is about to be stripped keeps the break it implied, so the |
| 299 | * structure the vendor laid out survives. Taken as the block tags minus the |
| 300 | * ones we keep, which is what stops the two lists from disagreeing: before |
| 301 | * this, a `</td>` lost both its tag and its break and glued that cell onto the |
| 302 | * next one. Inline tags are deliberately not in here. The catalog carries 77 |
| 303 | * `</span>` and breaking on those would split sentences down the middle. |
| 304 | */ |
| 305 | $break = array_diff( self::MODAL_BLOCK_TAGS, array_keys( self::MODAL_TAGS ) ); |
| 306 | $html = preg_replace( '#</(?:' . implode( '|', $break ) . ')\s*>#i', "\n\n", $html ); |
| 307 | |
| 308 | $html = wp_kses( $html, self::MODAL_TAGS ); |
| 309 | |
| 310 | return trim( wpautop( trim( $html ) ) ); |
| 311 | } |
| 312 | |
| 313 | /** |
| 314 | * Reads a wpcom marketplace endpoint. |
| 315 | * |
| 316 | * @param string $path Path below the namespace, query string included. |
| 317 | * @param string $version API version. |
| 318 | * @param string $base API base, `wpcom` or `rest`. |
| 319 | * @return array|null Decoded response body, or null on any failure. |
| 320 | */ |
| 321 | private static function request( $path, $version = '2', $base = 'wpcom' ) { |
| 322 | if ( ! method_exists( Client::class, 'wpcom_json_api_request_as_blog' ) ) { |
| 323 | return null; |
| 324 | } |
| 325 | |
| 326 | $response = Client::wpcom_json_api_request_as_blog( $path, $version, array(), null, $base ); |
| 327 | |
| 328 | if ( is_wp_error( $response ) || 200 !== wp_remote_retrieve_response_code( $response ) ) { |
| 329 | return null; |
| 330 | } |
| 331 | |
| 332 | $body = json_decode( wp_remote_retrieve_body( $response ), true ); |
| 333 | |
| 334 | return is_array( $body ) ? $body : null; |
| 335 | } |
| 336 | |
| 337 | /** |
| 338 | * Turns one wpcom product into the array a plugin card is rendered from. |
| 339 | * |
| 340 | * Core reads several of these keys without checking they exist, so every one it |
| 341 | * touches is set here even when we have nothing to put in it. |
| 342 | * |
| 343 | * @param array $product Product data from the marketplace endpoint. |
| 344 | * @return array |
| 345 | */ |
| 346 | public static function to_card( array $product ) { |
| 347 | $product_slug = (string) ( $product['slug'] ?? '' ); |
| 348 | $icon = is_string( $product['icons'] ?? null ) ? $product['icons'] : ''; |
| 349 | |
| 350 | // Core resolves installed state from the plugin directory name, and |
| 351 | // Marketplace_Products_Updater keys its updates the same way, so the card has |
| 352 | // to carry the software slug. The two differ for a handful of products. |
| 353 | $slug = (string) ( $product['software_slug'] ?? '' ); |
| 354 | if ( '' === $slug ) { |
| 355 | $slug = $product_slug; |
| 356 | } |
| 357 | |
| 358 | return array( |
| 359 | 'name' => (string) ( $product['name'] ?? '' ), |
| 360 | 'slug' => $slug, |
| 361 | 'version' => (string) ( $product['version'] ?? '' ), |
| 362 | // wpcom wraps the author name in a placeholder link that goes nowhere. |
| 363 | 'author' => wp_strip_all_tags( (string) ( $product['author'] ?? '' ) ), |
| 364 | 'author_profile' => '', |
| 365 | 'contributors' => array(), |
| 366 | 'short_description' => (string) ( $product['short_description'] ?? '' ), |
| 367 | 'sections' => array( 'description' => (string) ( $product['short_description'] ?? '' ) ), |
| 368 | 'icons' => array( |
| 369 | '1x' => $icon, |
| 370 | '2x' => $icon, |
| 371 | 'default' => $icon, |
| 372 | ), |
| 373 | 'banners' => is_array( $product['banners'] ?? null ) ? $product['banners'] : array(), |
| 374 | // The payload has an average but no count, and core renders stars from the |
| 375 | // average alone, so showing one would mean "(based on 0 ratings)". |
| 376 | 'rating' => 0, |
| 377 | 'num_ratings' => 0, |
| 378 | 'ratings' => array(), |
| 379 | 'active_installs' => 0, |
| 380 | 'downloaded' => 0, |
| 381 | 'last_updated' => (string) ( $product['last_updated'] ?? '' ), |
| 382 | 'added' => '', |
| 383 | 'homepage' => self::product_url( $product_slug ), |
| 384 | 'donate_link' => '', |
| 385 | // No download link: these install through a purchase, and its absence is also |
| 386 | // what keeps core from offering an Install button in the details modal. |
| 387 | 'download_link' => '', |
| 388 | 'requires' => false, |
| 389 | 'requires_php' => false, |
| 390 | 'tested' => '', |
| 391 | 'upgrade_notice' => '', |
| 392 | // Suppresses core's "WordPress.org Plugin Page" link. These are not on .org. |
| 393 | 'external' => true, |
| 394 | 'wpcom_marketplace' => true, |
| 395 | 'wpcom_product_slug' => $product_slug, |
| 396 | 'wpcom_category' => self::to_category( $product['tags'] ?? null ), |
| 397 | 'wpcom_variations' => self::to_variation_ids( $product['variations'] ?? null ), |
| 398 | 'wpcom_pricing' => array(), |
| 399 | 'wpcom_saving' => 0, |
| 400 | ); |
| 401 | } |
| 402 | |
| 403 | /** |
| 404 | * Reads the store catalog, which is where a variation's slug and price live. |
| 405 | * |
| 406 | * The marketplace endpoint gives only a numeric product id, and checkout is |
| 407 | * addressed by slug, so this is needed for the button as much as for the price. |
| 408 | * |
| 409 | * @return array<int, array> Keyed by product id. |
| 410 | */ |
| 411 | private static function fetch_store_products() { |
| 412 | // Site-scoped first, so prices come back in the site's own currency. Calypso |
| 413 | // reads the same two paths in the same order, for the same reason. |
| 414 | $blog_id = self::blog_id(); |
| 415 | $response = $blog_id > 0 ? self::request( '/sites/' . $blog_id . '/products', '1.1', 'rest' ) : null; |
| 416 | |
| 417 | if ( ! is_array( $response ) ) { |
| 418 | $response = self::request( '/products', '1.1', 'rest' ); |
| 419 | } |
| 420 | |
| 421 | if ( ! is_array( $response ) ) { |
| 422 | return array(); |
| 423 | } |
| 424 | |
| 425 | $store = array(); |
| 426 | foreach ( $response as $slug => $product ) { |
| 427 | if ( ! is_array( $product ) || empty( $product['product_id'] ) ) { |
| 428 | continue; |
| 429 | } |
| 430 | |
| 431 | $store[ (int) $product['product_id'] ] = array( |
| 432 | 'slug' => (string) $slug, |
| 433 | 'price' => (string) ( $product['cost_display'] ?? '' ), |
| 434 | 'cost' => isset( $product['cost'] ) ? (float) $product['cost'] : 0.0, |
| 435 | ); |
| 436 | } |
| 437 | |
| 438 | return $store; |
| 439 | } |
| 440 | |
| 441 | /** |
| 442 | * This site's WordPress.com blog id. |
| 443 | * |
| 444 | * `get_wpcom_blog_id()` only answers when IS_WPCOM or IS_ATOMIC is defined, which |
| 445 | * a test cannot set without it leaking into every other test in the process. The |
| 446 | * connection stores the same id, so falling back to it both covers a connected |
| 447 | * site the helper says nothing about and leaves the site-scoped read testable. |
| 448 | * |
| 449 | * @return int Blog id, or 0 when this site does not have one. |
| 450 | */ |
| 451 | private static function blog_id() { |
| 452 | if ( function_exists( 'get_wpcom_blog_id' ) ) { |
| 453 | $blog_id = (int) get_wpcom_blog_id(); |
| 454 | |
| 455 | if ( $blog_id > 0 ) { |
| 456 | return $blog_id; |
| 457 | } |
| 458 | } |
| 459 | |
| 460 | return class_exists( 'Jetpack_Options' ) ? (int) \Jetpack_Options::get_option( 'id' ) : 0; |
| 461 | } |
| 462 | |
| 463 | /** |
| 464 | * Resolves each product's variations against the store catalog. |
| 465 | * |
| 466 | * @param array<string, array> $products Normalized products, keyed by slug. |
| 467 | * @param array<int, array> $store Store products, keyed by product id. |
| 468 | * @return array<string, array> |
| 469 | */ |
| 470 | public static function attach_pricing( array $products, array $store ) { |
| 471 | foreach ( $products as $slug => $product ) { |
| 472 | $pricing = array(); |
| 473 | |
| 474 | foreach ( $product['wpcom_variations'] ?? array() as $term => $product_id ) { |
| 475 | if ( isset( $store[ $product_id ] ) ) { |
| 476 | $pricing[ $term ] = $store[ $product_id ]; |
| 477 | } |
| 478 | } |
| 479 | |
| 480 | $products[ $slug ]['wpcom_pricing'] = $pricing; |
| 481 | $products[ $slug ]['wpcom_saving'] = self::yearly_saving( $pricing ); |
| 482 | } |
| 483 | |
| 484 | return $products; |
| 485 | } |
| 486 | |
| 487 | /** |
| 488 | * How much cheaper a year is than twelve months, as a whole percentage. |
| 489 | * |
| 490 | * Worth showing because it is not a flat discount: across the catalog it runs from |
| 491 | * nothing at all to a third off, so the number is the only honest way to say it. |
| 492 | * |
| 493 | * @param array $pricing Resolved pricing, keyed by term. |
| 494 | * @return int Percentage saved, or 0 when there is nothing to compare or nothing saved. |
| 495 | */ |
| 496 | public static function yearly_saving( array $pricing ) { |
| 497 | $yearly = (float) ( $pricing['yearly']['cost'] ?? 0 ); |
| 498 | $monthly = (float) ( $pricing['monthly']['cost'] ?? 0 ); |
| 499 | |
| 500 | if ( $yearly <= 0 || $monthly <= 0 ) { |
| 501 | return 0; |
| 502 | } |
| 503 | |
| 504 | $saving = (int) round( ( 1 - $yearly / ( $monthly * 12 ) ) * 100 ); |
| 505 | |
| 506 | return max( 0, $saving ); |
| 507 | } |
| 508 | |
| 509 | /** |
| 510 | * The product's category, as something short enough to sit on a card. |
| 511 | * |
| 512 | * Tags arrive as slug => label. Nearly every product carries "Plugins", which |
| 513 | * says nothing on a screen that only lists plugins, so the first tag after that |
| 514 | * is the one worth showing. |
| 515 | * |
| 516 | * @param mixed $tags Tags as the marketplace endpoint returns them. |
| 517 | * @return string Category label, or an empty string when there is nothing useful. |
| 518 | */ |
| 519 | private static function to_category( $tags ) { |
| 520 | foreach ( is_array( $tags ) ? $tags : array() as $slug => $label ) { |
| 521 | if ( 'plugins' !== $slug && is_string( $label ) && '' !== trim( $label ) ) { |
| 522 | return trim( $label ); |
| 523 | } |
| 524 | } |
| 525 | |
| 526 | return ''; |
| 527 | } |
| 528 | |
| 529 | /** |
| 530 | * Flattens the endpoint's variations into term => product id. |
| 531 | * |
| 532 | * @param mixed $variations Variations as the marketplace endpoint returns them. |
| 533 | * @return array<string, int> |
| 534 | */ |
| 535 | private static function to_variation_ids( $variations ) { |
| 536 | $ids = array(); |
| 537 | |
| 538 | foreach ( is_array( $variations ) ? $variations : array() as $term => $variation ) { |
| 539 | $product_id = is_array( $variation ) ? (int) ( $variation['product_id'] ?? 0 ) : 0; |
| 540 | if ( $product_id > 0 ) { |
| 541 | $ids[ (string) $term ] = $product_id; |
| 542 | } |
| 543 | } |
| 544 | |
| 545 | return $ids; |
| 546 | } |
| 547 | |
| 548 | /** |
| 549 | * The checkout URL for one variation, which both buys and activates the plugin. |
| 550 | * |
| 551 | * @param array $card Normalized product data. |
| 552 | * @param string $term 'yearly' or 'monthly'. |
| 553 | * @param string $back_url Where checkout's Back link should return to. Must be on |
| 554 | * this site's own host, or checkout ignores it. |
| 555 | * @return string Checkout URL, or an empty string when there is no such variation. |
| 556 | */ |
| 557 | public static function checkout_url( array $card, $term, $back_url = '' ) { |
| 558 | $store_slug = $card['wpcom_pricing'][ $term ]['slug'] ?? ''; |
| 559 | if ( '' === $store_slug ) { |
| 560 | return ''; |
| 561 | } |
| 562 | |
| 563 | $site_slug = wp_parse_url( home_url(), PHP_URL_HOST ); |
| 564 | |
| 565 | $url = sprintf( |
| 566 | 'https://wordpress.com/checkout/%s/%s', |
| 567 | rawurlencode( (string) $site_slug ), |
| 568 | rawurlencode( $store_slug ) |
| 569 | ); |
| 570 | |
| 571 | /* |
| 572 | * Without this, Back leaves for whichever Calypso page the reader came from, |
| 573 | * and for someone arriving straight from wp-admin that is the plan picker. |
| 574 | * Checkout allows a back URL on the site's own host, which is where we are. |
| 575 | * `add_query_arg()` does not encode values, so the URL is encoded here. |
| 576 | */ |
| 577 | if ( '' !== $back_url ) { |
| 578 | $url = add_query_arg( 'checkoutBackUrl', rawurlencode( $back_url ), $url ); |
| 579 | } |
| 580 | |
| 581 | // Jumps past the plan step, which a marketplace purchase does not have. |
| 582 | return $url . '#step2'; |
| 583 | } |
| 584 | |
| 585 | /** |
| 586 | * The WordPress.com page a product is bought from. |
| 587 | * |
| 588 | * @param string $slug Plugin slug. |
| 589 | * @return string |
| 590 | */ |
| 591 | public static function product_url( $slug ) { |
| 592 | $site_slug = wp_parse_url( home_url(), PHP_URL_HOST ); |
| 593 | |
| 594 | return sprintf( |
| 595 | 'https://wordpress.com/plugins/%s/%s?ref=wpcom-marketplace-tab', |
| 596 | rawurlencode( $slug ), |
| 597 | rawurlencode( (string) $site_slug ) |
| 598 | ); |
| 599 | } |
| 600 | } |