simple-payments.php
| 1 | <?php |
| 2 | /** |
| 3 | * Disable direct access/execution to/of the widget code. |
| 4 | */ |
| 5 | if ( ! defined( 'ABSPATH' ) ) { |
| 6 | exit; |
| 7 | } |
| 8 | |
| 9 | if ( ! class_exists( 'Jetpack_Simple_Payments_Widget' ) ) { |
| 10 | /** |
| 11 | * Simple Payments Button |
| 12 | * |
| 13 | * Display a Simple Payment Button as a Widget. |
| 14 | */ |
| 15 | class Jetpack_Simple_Payments_Widget extends WP_Widget { |
| 16 | // https://developer.paypal.com/docs/integration/direct/rest/currency-codes/ |
| 17 | private static $supported_currency_list = array( |
| 18 | 'USD' => '$', |
| 19 | 'GBP' => '£', |
| 20 | 'JPY' => '¥', |
| 21 | 'BRL' => 'R$', |
| 22 | 'EUR' => '€', |
| 23 | 'NZD' => 'NZ$', |
| 24 | 'AUD' => 'A$', |
| 25 | 'CAD' => 'C$', |
| 26 | 'INR' => '₹', |
| 27 | 'ILS' => '₪', |
| 28 | 'RUB' => '₽', |
| 29 | 'MXN' => 'MX$', |
| 30 | 'SEK' => 'Skr', |
| 31 | 'HUF' => 'Ft', |
| 32 | 'CHF' => 'CHF', |
| 33 | 'CZK' => 'Kč', |
| 34 | 'DKK' => 'Dkr', |
| 35 | 'HKD' => 'HK$', |
| 36 | 'NOK' => 'Kr', |
| 37 | 'PHP' => '₱', |
| 38 | 'PLN' => 'PLN', |
| 39 | 'SGD' => 'S$', |
| 40 | 'TWD' => 'NT$', |
| 41 | 'THB' => '฿', |
| 42 | ); |
| 43 | |
| 44 | /** |
| 45 | * Constructor. |
| 46 | */ |
| 47 | function __construct() { |
| 48 | parent::__construct( |
| 49 | 'jetpack_simple_payments_widget', |
| 50 | /** This filter is documented in modules/widgets/facebook-likebox.php */ |
| 51 | apply_filters( 'jetpack_widget_name', __( 'Simple Payments', 'jetpack' ) ), |
| 52 | array( |
| 53 | 'classname' => 'jetpack-simple-payments', |
| 54 | 'description' => __( 'Add a Simple Payment Button as a Widget.', 'jetpack' ), |
| 55 | 'customize_selective_refresh' => true, |
| 56 | ) |
| 57 | ); |
| 58 | |
| 59 | if ( is_customize_preview() ) { |
| 60 | add_action( 'admin_enqueue_scripts', array( $this, 'admin_enqueue_styles_and_scripts' ) ); |
| 61 | |
| 62 | add_filter( 'customize_refresh_nonces', array( $this, 'filter_nonces' ) ); |
| 63 | add_action( 'wp_ajax_customize-jetpack-simple-payments-buttons-get', array( $this, 'ajax_get_payment_buttons' ) ); |
| 64 | add_action( 'wp_ajax_customize-jetpack-simple-payments-button-save', array( $this, 'ajax_save_payment_button' ) ); |
| 65 | add_action( 'wp_ajax_customize-jetpack-simple-payments-button-delete', array( $this, 'ajax_delete_payment_button' ) ); |
| 66 | } |
| 67 | |
| 68 | if ( is_active_widget( false, false, $this->id_base ) || is_customize_preview() ) { |
| 69 | add_action( 'wp_enqueue_scripts', array( $this, 'enqueue_style' ) ); |
| 70 | } |
| 71 | } |
| 72 | |
| 73 | /** |
| 74 | * Return an associative array of default values. |
| 75 | * |
| 76 | * These values are used in new widgets. |
| 77 | * |
| 78 | * @return array Default values for the widget options. |
| 79 | */ |
| 80 | private function defaults() { |
| 81 | $current_user = wp_get_current_user(); |
| 82 | $default_product_id = $this->get_first_product_id(); |
| 83 | |
| 84 | return array( |
| 85 | 'title' => '', |
| 86 | 'product_post_id' => $default_product_id, |
| 87 | 'form_action' => '', |
| 88 | 'form_product_id' => 0, |
| 89 | 'form_product_title' => '', |
| 90 | 'form_product_description' => '', |
| 91 | 'form_product_image_id' => 0, |
| 92 | 'form_product_image_src' => '', |
| 93 | 'form_product_currency' => '', |
| 94 | 'form_product_price' => '', |
| 95 | 'form_product_multiple' => '', |
| 96 | 'form_product_email' => $current_user->user_email, |
| 97 | ); |
| 98 | } |
| 99 | |
| 100 | /** |
| 101 | * Adds a nonce for customizing menus. |
| 102 | * |
| 103 | * @param array $nonces Array of nonces. |
| 104 | * @return array $nonces Modified array of nonces. |
| 105 | */ |
| 106 | function filter_nonces( $nonces ) { |
| 107 | $nonces['customize-jetpack-simple-payments'] = wp_create_nonce( 'customize-jetpack-simple-payments' ); |
| 108 | return $nonces; |
| 109 | } |
| 110 | |
| 111 | function enqueue_style() { |
| 112 | wp_enqueue_style( 'jetpack-simple-payments-widget-style', plugins_url( 'simple-payments/style.css', __FILE__ ), array(), '20180518' ); |
| 113 | } |
| 114 | |
| 115 | function admin_enqueue_styles_and_scripts(){ |
| 116 | wp_enqueue_style( 'jetpack-simple-payments-widget-customizer', plugins_url( 'simple-payments/customizer.css', __FILE__ ) ); |
| 117 | |
| 118 | wp_enqueue_media(); |
| 119 | wp_enqueue_script( 'jetpack-simple-payments-widget-customizer', plugins_url( '/simple-payments/customizer.js', __FILE__ ), array( 'jquery' ), false, true ); |
| 120 | wp_localize_script( 'jetpack-simple-payments-widget-customizer', 'jpSimplePaymentsStrings', array( |
| 121 | 'deleteConfirmation' => __( 'Are you sure you want to delete this item? It will be disabled and removed from all locations where it currently appears.', 'jetpack' ) |
| 122 | ) ); |
| 123 | } |
| 124 | |
| 125 | public function ajax_get_payment_buttons() { |
| 126 | if ( ! check_ajax_referer( 'customize-jetpack-simple-payments', 'customize-jetpack-simple-payments-nonce', false ) ) { |
| 127 | wp_send_json_error( 'bad_nonce', 400 ); |
| 128 | } |
| 129 | |
| 130 | if ( ! current_user_can( 'customize' ) ) { |
| 131 | wp_send_json_error( 'customize_not_allowed', 403 ); |
| 132 | } |
| 133 | |
| 134 | $post_type_object = get_post_type_object( Jetpack_Simple_Payments::$post_type_product ); |
| 135 | if ( ! current_user_can( $post_type_object->cap->create_posts ) || ! current_user_can( $post_type_object->cap->publish_posts ) ) { |
| 136 | wp_send_json_error( 'insufficient_post_permissions', 403 ); |
| 137 | } |
| 138 | |
| 139 | $product_posts = get_posts( array( |
| 140 | 'numberposts' => 100, |
| 141 | 'orderby' => 'date', |
| 142 | 'post_type' => Jetpack_Simple_Payments::$post_type_product, |
| 143 | 'post_status' => 'publish', |
| 144 | ) ); |
| 145 | |
| 146 | $formatted_products = array_map( array( $this, 'format_product_post_for_ajax_reponse' ), $product_posts ); |
| 147 | |
| 148 | wp_send_json_success( $formatted_products ); |
| 149 | } |
| 150 | |
| 151 | public function format_product_post_for_ajax_reponse( $product_post ) { |
| 152 | return array( |
| 153 | 'ID' => $product_post->ID, |
| 154 | 'post_title' => $product_post->post_title, |
| 155 | ); |
| 156 | } |
| 157 | |
| 158 | public function ajax_save_payment_button() { |
| 159 | if ( ! check_ajax_referer( 'customize-jetpack-simple-payments', 'customize-jetpack-simple-payments-nonce', false ) ) { |
| 160 | wp_send_json_error( 'bad_nonce', 400 ); |
| 161 | } |
| 162 | |
| 163 | if ( ! current_user_can( 'customize' ) ) { |
| 164 | wp_send_json_error( 'customize_not_allowed', 403 ); |
| 165 | } |
| 166 | |
| 167 | $post_type_object = get_post_type_object( Jetpack_Simple_Payments::$post_type_product ); |
| 168 | if ( ! current_user_can( $post_type_object->cap->create_posts ) || ! current_user_can( $post_type_object->cap->publish_posts ) ) { |
| 169 | wp_send_json_error( 'insufficient_post_permissions', 403 ); |
| 170 | } |
| 171 | |
| 172 | if ( empty( $_POST['params'] ) || ! is_array( $_POST['params'] ) ) { |
| 173 | wp_send_json_error( 'missing_params', 400 ); |
| 174 | } |
| 175 | |
| 176 | $params = wp_unslash( $_POST['params'] ); |
| 177 | $errors = $this->validate_ajax_params( $params ); |
| 178 | if ( ! empty( $errors->errors ) ) { |
| 179 | wp_send_json_error( $errors ); |
| 180 | } |
| 181 | |
| 182 | $product_post_id = isset( $params['product_post_id'] ) ? intval( $params['product_post_id'] ) : 0; |
| 183 | |
| 184 | $product_post = array( |
| 185 | 'ID' => $product_post_id, |
| 186 | 'post_type' => Jetpack_Simple_Payments::$post_type_product, |
| 187 | 'post_status' => 'publish', |
| 188 | 'post_title' => $params['post_title'], |
| 189 | 'post_content' => $params['post_content'], |
| 190 | '_thumbnail_id' => ! empty( $params['image_id'] ) ? $params['image_id'] : -1, |
| 191 | 'meta_input' => array( |
| 192 | 'spay_currency' => $params['currency'], |
| 193 | 'spay_price' => $params['price'], |
| 194 | 'spay_multiple' => isset( $params['multiple'] ) ? intval( $params['multiple'] ) : 0, |
| 195 | 'spay_email' => is_email( $params['email'] ), |
| 196 | ), |
| 197 | ); |
| 198 | |
| 199 | if ( empty( $product_post_id ) ) { |
| 200 | $product_post_id = wp_insert_post( $product_post ); |
| 201 | } else { |
| 202 | $product_post_id = wp_update_post( $product_post ); |
| 203 | } |
| 204 | |
| 205 | if ( ! $product_post_id || is_wp_error( $product_post_id ) ) { |
| 206 | wp_send_json_error( $product_post_id ); |
| 207 | } |
| 208 | |
| 209 | $tracks_properties = array( |
| 210 | 'id' => $product_post_id, |
| 211 | 'currency' => $params['currency'], |
| 212 | 'price' => $params['price'] |
| 213 | ); |
| 214 | if ( 0 === $product_post['ID'] ) { |
| 215 | $this->record_event( 'created', 'create', $tracks_properties ); |
| 216 | } else { |
| 217 | $this->record_event( 'updated', 'update', $tracks_properties ); |
| 218 | } |
| 219 | |
| 220 | wp_send_json_success( [ |
| 221 | 'product_post_id' => $product_post_id, |
| 222 | 'product_post_title' => $params['post_title'], |
| 223 | ] ); |
| 224 | } |
| 225 | |
| 226 | public function ajax_delete_payment_button() { |
| 227 | if ( ! check_ajax_referer( 'customize-jetpack-simple-payments', 'customize-jetpack-simple-payments-nonce', false ) ) { |
| 228 | wp_send_json_error( 'bad_nonce', 400 ); |
| 229 | } |
| 230 | |
| 231 | if ( ! current_user_can( 'customize' ) ) { |
| 232 | wp_send_json_error( 'customize_not_allowed', 403 ); |
| 233 | } |
| 234 | |
| 235 | if ( empty( $_POST['params'] ) || ! is_array( $_POST['params'] ) ) { |
| 236 | wp_send_json_error( 'missing_params', 400 ); |
| 237 | } |
| 238 | |
| 239 | $params = wp_unslash( $_POST['params'] ); |
| 240 | $illegal_params = array_diff( array_keys( $params ), array( 'product_post_id' ) ); |
| 241 | if ( ! empty( $illegal_params ) ) { |
| 242 | wp_send_json_error( 'illegal_params', 400 ); |
| 243 | } |
| 244 | |
| 245 | $product_id = ( int ) $params['product_post_id']; |
| 246 | $product_post = get_post( $product_id ); |
| 247 | |
| 248 | $return = array( 'status' => $product_post->post_status ); |
| 249 | |
| 250 | wp_delete_post( $product_id, true ); |
| 251 | $status = get_post_status( $product_id ); |
| 252 | if ( false === $status ) { |
| 253 | $return['status'] = 'deleted'; |
| 254 | } |
| 255 | |
| 256 | $this->record_event( 'deleted', 'delete', array( 'id' => $product_id ) ); |
| 257 | |
| 258 | wp_send_json_success( $return ); |
| 259 | } |
| 260 | |
| 261 | public function validate_ajax_params( $params ) { |
| 262 | $errors = new WP_Error(); |
| 263 | |
| 264 | $illegal_params = array_diff( array_keys( $params ), array( 'product_post_id', 'post_title', 'post_content', 'image_id', 'currency', 'price', 'multiple', 'email' ) ); |
| 265 | if ( ! empty( $illegal_params ) ) { |
| 266 | $errors.add( 'illegal_params' ); |
| 267 | } |
| 268 | |
| 269 | if ( empty( $params['post_title'] ) ) { |
| 270 | $errors->add( 'post_title', __( 'People need to know what they\'re paying for! Please add a brief title.' ) ); |
| 271 | } |
| 272 | |
| 273 | if ( empty( $params['price'] ) || floatval( $params['price'] ) <= 0 ) { |
| 274 | $errors->add( 'price', __( 'Everything comes with a price tag these days. Please add a your product price.' ) ); |
| 275 | } |
| 276 | |
| 277 | if ( empty( $params['email'] ) || ! is_email( $params['email'] ) ) { |
| 278 | $errors->add( 'email', __( 'We want to make sure payments reach you, so please add an email address.' ) ); |
| 279 | } |
| 280 | |
| 281 | return $errors; |
| 282 | } |
| 283 | |
| 284 | function get_first_product_id() { |
| 285 | $product_posts = get_posts( array( |
| 286 | 'numberposts' => 1, |
| 287 | 'orderby' => 'date', |
| 288 | 'post_type' => Jetpack_Simple_Payments::$post_type_product, |
| 289 | 'post_status' => 'publish', |
| 290 | ) ); |
| 291 | |
| 292 | return ! empty( $product_posts ) ? $product_posts[0]->ID : null; |
| 293 | } |
| 294 | |
| 295 | /** |
| 296 | * Front-end display of widget. |
| 297 | * |
| 298 | * @see WP_Widget::widget() |
| 299 | * |
| 300 | * @param array $args Widget arguments. |
| 301 | * @param array $instance Saved values from database. |
| 302 | */ |
| 303 | function widget( $args, $instance ) { |
| 304 | $instance = wp_parse_args( $instance, $this->defaults() ); |
| 305 | |
| 306 | echo $args['before_widget']; |
| 307 | |
| 308 | /** This filter is documented in core/src/wp-includes/default-widgets.php */ |
| 309 | $title = apply_filters( 'widget_title', $instance['title'] ); |
| 310 | if ( ! empty( $title ) ) { |
| 311 | echo $args['before_title'] . $title . $args['after_title']; |
| 312 | } |
| 313 | |
| 314 | echo '<div class="jetpack-simple-payments-content">'; |
| 315 | |
| 316 | if ( ! empty( $instance['form_action'] ) && in_array( $instance['form_action'], array( 'add', 'edit' ) ) && is_customize_preview() ) { |
| 317 | require( dirname( __FILE__ ) . '/simple-payments/widget.php' ); |
| 318 | } else { |
| 319 | $jsp = Jetpack_Simple_Payments::getInstance(); |
| 320 | $simple_payments_button = $jsp->parse_shortcode( array( |
| 321 | 'id' => $instance['product_post_id'], |
| 322 | ) ); |
| 323 | |
| 324 | if ( ! is_null( $simple_payments_button ) || is_customize_preview() ) { |
| 325 | echo $simple_payments_button; |
| 326 | } |
| 327 | } |
| 328 | |
| 329 | echo '</div><!--simple-payments-->'; |
| 330 | |
| 331 | echo $args['after_widget']; |
| 332 | |
| 333 | /** This action is already documented in modules/widgets/gravatar-profile.php */ |
| 334 | do_action( 'jetpack_stats_extra', 'widget_view', 'simple_payments' ); |
| 335 | } |
| 336 | |
| 337 | /** |
| 338 | * Gets the latests field value from either the old instance or the new instance. |
| 339 | * |
| 340 | * @param array $mixed Array of values for the new form instance. |
| 341 | * @param array $mixed Array of values for the old form instance. |
| 342 | * @return mixed $mixed Field value. |
| 343 | */ |
| 344 | private function get_latest_field_value( $new_instance, $old_instance, $field) { |
| 345 | return ! empty( $new_instance[ $field ] ) |
| 346 | ? sanitize_text_field( $new_instance[ $field ] ) |
| 347 | : $old_instance[ $field ]; |
| 348 | } |
| 349 | |
| 350 | /** |
| 351 | * Gets the product fields from the product post. If no post found |
| 352 | * it returns the default values. |
| 353 | * |
| 354 | * @param int Product Post ID. |
| 355 | * @return array $fields Product Fields from the Product Post. |
| 356 | */ |
| 357 | private function get_product_from_post( $product_post_id ) { |
| 358 | $product_post = get_post( $product_post_id ); |
| 359 | $form_product_id = $product_post_id; |
| 360 | if( ! empty( $product_post ) ) { |
| 361 | $form_product_image_id = get_post_thumbnail_id( $product_post_id ); |
| 362 | |
| 363 | return array( |
| 364 | 'form_product_id' => $form_product_id, |
| 365 | 'form_product_title' => get_the_title( $product_post ), |
| 366 | 'form_product_description' => $product_post->post_content, |
| 367 | 'form_product_image_id' => $form_product_image_id, |
| 368 | 'form_product_image_src' => wp_get_attachment_image_url( $form_product_image_id, 'thumbnail' ), |
| 369 | 'form_product_currency' => get_post_meta( $product_post_id, 'spay_currency', true ), |
| 370 | 'form_product_price' => get_post_meta( $product_post_id, 'spay_price', true ), |
| 371 | 'form_product_multiple' => get_post_meta( $product_post_id, 'spay_multiple', true ) || '0', |
| 372 | 'form_product_email' => get_post_meta( $product_post_id, 'spay_email', true ), |
| 373 | ); |
| 374 | } |
| 375 | |
| 376 | return $this->defaults(); |
| 377 | } |
| 378 | |
| 379 | /** |
| 380 | * Record a Track event and bump a MC stat. |
| 381 | * |
| 382 | * @param string $stat_name |
| 383 | * @param string $event_action |
| 384 | * @param array $event_properties |
| 385 | */ |
| 386 | private function record_event( $stat_name, $event_action, $event_properties = array() ) { |
| 387 | $current_user = wp_get_current_user(); |
| 388 | |
| 389 | // `bumps_stats_extra` only exists on .com |
| 390 | if ( function_exists( 'bump_stats_extras' ) ) { |
| 391 | require_lib( 'tracks/client' ); |
| 392 | tracks_record_event( $current_user, 'simple_payments_button_' . $event_action, $event_properties ); |
| 393 | /** This action is documented in modules/widgets/social-media-icons.php */ |
| 394 | do_action( 'jetpack_bump_stats_extra', 'jetpack-simple_payments', $stat_name ); |
| 395 | return; |
| 396 | } |
| 397 | |
| 398 | jetpack_tracks_record_event( $current_user, 'jetpack_wpa_simple_payments_button_' . $event_action, $event_properties ); |
| 399 | $jetpack = Jetpack::init(); |
| 400 | // $jetpack->stat automatically prepends the stat group with 'jetpack-' |
| 401 | $jetpack->stat( 'simple_payments', $stat_name ) ; |
| 402 | $jetpack->do_stats( 'server_side' ); |
| 403 | } |
| 404 | |
| 405 | /** |
| 406 | * Sanitize widget form values as they are saved. |
| 407 | * |
| 408 | * @see WP_Widget::update() |
| 409 | * |
| 410 | * @param array $new_instance Values just sent to be saved. |
| 411 | * @param array $old_instance Previously saved values from database. |
| 412 | * |
| 413 | * @return array Updated safe values to be saved. |
| 414 | */ |
| 415 | function update( $new_instance, $old_instance ) { |
| 416 | $defaults = $this->defaults(); |
| 417 | //do not overrite `product_post_id` for `$new_instance` with the defaults |
| 418 | $new_instance = wp_parse_args( $new_instance, array_diff_key( $defaults, array( 'product_post_id' => 0 ) ) ); |
| 419 | $old_instance = wp_parse_args( $old_instance, $defaults ); |
| 420 | |
| 421 | $required_widget_props = array( |
| 422 | 'title' => $this->get_latest_field_value( $new_instance, $old_instance, 'title' ), |
| 423 | 'product_post_id' => $this->get_latest_field_value( $new_instance, $old_instance, 'product_post_id' ), |
| 424 | 'form_action' => $this->get_latest_field_value( $new_instance, $old_instance, 'form_action' ), |
| 425 | ); |
| 426 | |
| 427 | if ( strcmp( $new_instance['form_action'], $old_instance['form_action'] ) !== 0 ) { |
| 428 | if ( $new_instance['form_action'] == 'edit' ) { |
| 429 | return array_merge( $this->get_product_from_post( ( int ) $old_instance['product_post_id'] ), $required_widget_props ); |
| 430 | } |
| 431 | |
| 432 | if ( $new_instance['form_action'] == 'clear' ) { |
| 433 | return array_merge( $this->defaults(), $required_widget_props ); |
| 434 | } |
| 435 | } |
| 436 | |
| 437 | $form_product_image_id = (int) $new_instance['form_product_image_id']; |
| 438 | |
| 439 | $form_product_email = ! empty( $new_instance['form_product_email'] ) |
| 440 | ? sanitize_text_field( $new_instance['form_product_email'] ) |
| 441 | : $this->defaults()['form_product_email']; |
| 442 | |
| 443 | return array_merge( $required_widget_props, array( |
| 444 | 'form_product_id' => ( int ) $new_instance['form_product_id'], |
| 445 | 'form_product_title' => sanitize_text_field( $new_instance['form_product_title'] ), |
| 446 | 'form_product_description' => sanitize_text_field( $new_instance['form_product_description'] ), |
| 447 | 'form_product_image_id' => $form_product_image_id, |
| 448 | 'form_product_image_src' => wp_get_attachment_image_url( $form_product_image_id, 'thumbnail' ), |
| 449 | 'form_product_currency' => sanitize_text_field( $new_instance['form_product_currency'] ), |
| 450 | 'form_product_price' => sanitize_text_field( $new_instance['form_product_price'] ), |
| 451 | 'form_product_multiple' => sanitize_text_field( $new_instance['form_product_multiple'] ), |
| 452 | 'form_product_email' => $form_product_email, |
| 453 | ) ); |
| 454 | } |
| 455 | |
| 456 | /** |
| 457 | * Back-end widget form. |
| 458 | * |
| 459 | * @see WP_Widget::form() |
| 460 | * |
| 461 | * @param array $instance Previously saved values from database. |
| 462 | */ |
| 463 | function form( $instance ) { |
| 464 | $instance = wp_parse_args( $instance, $this->defaults() ); |
| 465 | |
| 466 | $product_posts = get_posts( array( |
| 467 | 'numberposts' => 100, |
| 468 | 'orderby' => 'date', |
| 469 | 'post_type' => Jetpack_Simple_Payments::$post_type_product, |
| 470 | 'post_status' => 'publish', |
| 471 | ) ); |
| 472 | |
| 473 | require( dirname( __FILE__ ) . '/simple-payments/form.php' ); |
| 474 | } |
| 475 | } |
| 476 | |
| 477 | // Register Jetpack_Simple_Payments_Widget widget. |
| 478 | function register_widget_jetpack_simple_payments() { |
| 479 | $jetpack_simple_payments = Jetpack_Simple_Payments::getInstance(); |
| 480 | if ( ! $jetpack_simple_payments->is_enabled_jetpack_simple_payments() ) { |
| 481 | return; |
| 482 | } |
| 483 | |
| 484 | register_widget( 'Jetpack_Simple_Payments_Widget' ); |
| 485 | } |
| 486 | add_action( 'widgets_init', 'register_widget_jetpack_simple_payments' ); |
| 487 | } |
| 488 |