nps-survey-script.php
606 lines
| 1 | <?php |
| 2 | /** |
| 3 | * NPS Survey Script |
| 4 | * File to handle behaviour and content of NPS popup` |
| 5 | * |
| 6 | * @package {{package}} |
| 7 | */ |
| 8 | |
| 9 | // Prevent multiple inclusions of this file. |
| 10 | if ( defined( 'NPS_SURVEY_SCRIPT_LOADED' ) ) { |
| 11 | return; |
| 12 | } |
| 13 | define( 'NPS_SURVEY_SCRIPT_LOADED', true ); |
| 14 | |
| 15 | /** |
| 16 | * Nps_Survey |
| 17 | */ |
| 18 | class Nps_Survey { |
| 19 | /** |
| 20 | * Instance |
| 21 | * |
| 22 | * @access private |
| 23 | * @var object Class Instance. |
| 24 | * @since 1.0.0 |
| 25 | */ |
| 26 | private static $instance = null; |
| 27 | |
| 28 | /** |
| 29 | * Constructor. |
| 30 | * |
| 31 | * @since 1.0.0 |
| 32 | */ |
| 33 | public function __construct() { |
| 34 | add_action( 'rest_api_init', array( $this, 'register_route' ) ); |
| 35 | } |
| 36 | |
| 37 | /** |
| 38 | * Initiator |
| 39 | * |
| 40 | * @since 1.0.0 |
| 41 | * @return object initialized object of class. |
| 42 | */ |
| 43 | public static function get_instance() { |
| 44 | if ( null === self::$instance ) { |
| 45 | self::$instance = new self(); |
| 46 | } |
| 47 | return self::$instance; |
| 48 | } |
| 49 | |
| 50 | /** |
| 51 | * Render NPS Survey. |
| 52 | * |
| 53 | * @param string $id ID of the root element, should start with nps-survey- . |
| 54 | * @param array<mixed> $vars Variables to be passed to the NPS. |
| 55 | * @since 1.0.0 |
| 56 | * @return void |
| 57 | */ |
| 58 | public static function show_nps_notice( string $id, array $vars = [] ): void { |
| 59 | |
| 60 | if ( ! isset( $vars['plugin_slug'] ) || ! is_string( $vars['plugin_slug'] ) ) { |
| 61 | return; |
| 62 | } |
| 63 | |
| 64 | $plugin_slug = $vars['plugin_slug']; |
| 65 | $display_after = is_int( $vars['display_after'] ) ? $vars['display_after'] : 0; |
| 66 | |
| 67 | /** |
| 68 | * Filter to check if the NPS survey should be shown. |
| 69 | * |
| 70 | * @param bool $status Whether to show the notice. |
| 71 | * @param string $plugin_slug Plugin slug. |
| 72 | * @since 1.0.13 |
| 73 | */ |
| 74 | $show_notice = apply_filters( |
| 75 | 'nps_survey_show_notice', |
| 76 | self::is_show_nps_survey_form( $plugin_slug, $display_after ), |
| 77 | $plugin_slug |
| 78 | ); |
| 79 | |
| 80 | if ( ! $show_notice ) { |
| 81 | return; |
| 82 | } |
| 83 | |
| 84 | $show_on_screen = ! empty( $vars['show_on_screens'] ) && is_array( $vars['show_on_screens'] ) ? $vars['show_on_screens'] : [ 'dashboard' ]; |
| 85 | |
| 86 | if ( ! function_exists( 'get_current_screen' ) ) { |
| 87 | require_once ABSPATH . '/wp-admin/includes/screen.php'; |
| 88 | } |
| 89 | $current_screen = get_current_screen(); |
| 90 | |
| 91 | $admin_only = self::is_nps_survey_enabled_for_admin_only(); |
| 92 | if ( $admin_only && $current_screen instanceof WP_Screen && ! in_array( $current_screen->id, $show_on_screen, true ) ) { |
| 93 | return; |
| 94 | } |
| 95 | // Loading script here to confirm if the screen is allowed or not. |
| 96 | self::editor_load_scripts( $show_on_screen ); |
| 97 | |
| 98 | ?><div data-id="<?php echo esc_attr( $id ); ?>" class="nps-survey-root" data-vars="<?php echo esc_attr( strval( wp_json_encode( $vars ) ) ); ?>"></div> |
| 99 | <?php |
| 100 | } |
| 101 | |
| 102 | /** |
| 103 | * Generate and return the Google fonts url. |
| 104 | * |
| 105 | * @since 1.0.2 |
| 106 | * @return string |
| 107 | */ |
| 108 | public static function google_fonts_url() { |
| 109 | |
| 110 | $font_families = array( |
| 111 | 'Figtree:400,500,600,700', |
| 112 | ); |
| 113 | |
| 114 | $query_args = array( |
| 115 | 'family' => rawurlencode( implode( '|', $font_families ) ), |
| 116 | 'subset' => rawurlencode( 'latin,latin-ext' ), |
| 117 | ); |
| 118 | |
| 119 | return add_query_arg( $query_args, '//fonts.googleapis.com/css' ); |
| 120 | } |
| 121 | |
| 122 | /** |
| 123 | * Load script. |
| 124 | * |
| 125 | * @param array<string> $show_on_screens An array of screen IDs where the scripts should be loaded. |
| 126 | * @since 1.0.0 |
| 127 | * @return void |
| 128 | */ |
| 129 | public static function editor_load_scripts( $show_on_screens ): void { |
| 130 | |
| 131 | $admin_only = self::is_nps_survey_enabled_for_admin_only(); |
| 132 | if ( $admin_only && ! is_admin() ) { |
| 133 | return; |
| 134 | } |
| 135 | |
| 136 | $screen = get_current_screen(); |
| 137 | $screen_id = $screen ? $screen->id : ''; |
| 138 | |
| 139 | if ( $admin_only && ! in_array( $screen_id, $show_on_screens, true ) ) { |
| 140 | return; |
| 141 | } |
| 142 | |
| 143 | $handle = 'nps-survey-script'; |
| 144 | $build_path = NPS_SURVEY_DIR . 'dist/'; |
| 145 | $default_build_url = NPS_SURVEY_URL . 'dist/'; |
| 146 | |
| 147 | // Use a filter to allow $build_url to be modified externally. |
| 148 | $build_url = apply_filters( 'nps_survey_build_url', $default_build_url ); |
| 149 | $script_asset_path = $build_path . 'main.asset.php'; |
| 150 | |
| 151 | $script_info = file_exists( $script_asset_path ) |
| 152 | ? include $script_asset_path |
| 153 | : array( |
| 154 | 'dependencies' => array(), |
| 155 | 'version' => NPS_SURVEY_VER, |
| 156 | ); |
| 157 | |
| 158 | $script_dep = array_merge( $script_info['dependencies'], array( 'jquery' ) ); |
| 159 | |
| 160 | wp_enqueue_script( |
| 161 | $handle, |
| 162 | $build_url . 'main.js', |
| 163 | $script_dep, |
| 164 | $script_info['version'], |
| 165 | true |
| 166 | ); |
| 167 | |
| 168 | $data = apply_filters( |
| 169 | 'nps_survey_vars', |
| 170 | [ |
| 171 | 'ajaxurl' => esc_url( admin_url( 'admin-ajax.php' ) ), |
| 172 | '_ajax_nonce' => wp_create_nonce( 'nps-survey' ), |
| 173 | 'rest_api_nonce' => current_user_can( 'manage_options' ) ? wp_create_nonce( 'wp_rest' ) : '', |
| 174 | ] |
| 175 | ); |
| 176 | |
| 177 | // Add localize JS. |
| 178 | wp_localize_script( |
| 179 | 'nps-survey-script', |
| 180 | 'npsSurvey', |
| 181 | $data |
| 182 | ); |
| 183 | |
| 184 | wp_enqueue_style( 'nps-survey-style', $build_url . '/style-main.css', array(), NPS_SURVEY_VER ); |
| 185 | wp_style_add_data( 'nps-survey-style', 'rtl', 'replace' ); |
| 186 | wp_enqueue_style( 'nps-survey-google-fonts', self::google_fonts_url(), array(), 'all' ); |
| 187 | } |
| 188 | |
| 189 | /** |
| 190 | * Load all the required files in the importer. |
| 191 | * |
| 192 | * @since 1.0.0 |
| 193 | * @return void |
| 194 | */ |
| 195 | public static function register_route(): void { |
| 196 | |
| 197 | register_rest_route( |
| 198 | self::get_api_namespace(), |
| 199 | '/rating/', |
| 200 | array( |
| 201 | array( |
| 202 | 'methods' => \WP_REST_Server::CREATABLE, |
| 203 | 'callback' => array( self::class, 'submit_rating' ), |
| 204 | 'permission_callback' => array( self::class, 'get_item_permissions_check' ), |
| 205 | 'args' => array(), |
| 206 | ), |
| 207 | ) |
| 208 | ); |
| 209 | |
| 210 | register_rest_route( |
| 211 | self::get_api_namespace(), |
| 212 | '/dismiss-nps-survey/', |
| 213 | array( |
| 214 | array( |
| 215 | 'methods' => \WP_REST_Server::CREATABLE, |
| 216 | 'callback' => array( self::class, 'dismiss_nps_survey_panel' ), |
| 217 | 'permission_callback' => array( self::class, 'get_item_permissions_check' ), |
| 218 | 'args' => array(), |
| 219 | ), |
| 220 | ) |
| 221 | ); |
| 222 | } |
| 223 | |
| 224 | /** |
| 225 | * Get the API URL. |
| 226 | * |
| 227 | * @since 1.0.0 |
| 228 | * |
| 229 | * @return string |
| 230 | */ |
| 231 | public static function get_api_domain() { |
| 232 | return trailingslashit( defined( 'NPS_SURVEY_REMOTE_URL' ) ? NPS_SURVEY_REMOTE_URL : apply_filters( 'nps_survey_api_domain', 'https://metrics.brainstormforce.com/' ) ); |
| 233 | } |
| 234 | |
| 235 | /** |
| 236 | * Get api namespace |
| 237 | * |
| 238 | * @since 1.0.0 |
| 239 | * @return string |
| 240 | */ |
| 241 | public static function get_api_namespace() { |
| 242 | return 'nps-survey/v1'; |
| 243 | } |
| 244 | |
| 245 | /** |
| 246 | * Get API headers |
| 247 | * |
| 248 | * @since 1.0.0 |
| 249 | * @return array<string, string> |
| 250 | */ |
| 251 | public static function get_api_headers() { |
| 252 | return array( |
| 253 | 'Content-Type' => 'application/json', |
| 254 | 'Accept' => 'application/json', |
| 255 | ); |
| 256 | } |
| 257 | |
| 258 | /** |
| 259 | * Check whether a given request has permission to read notes. |
| 260 | * |
| 261 | * @param object $request WP_REST_Request Full details about the request. |
| 262 | * @return object|bool |
| 263 | */ |
| 264 | public static function get_item_permissions_check( $request ) { |
| 265 | /** |
| 266 | * Filter to check if NPS Survey is enabled on API. |
| 267 | * |
| 268 | * @since 1.0.13 |
| 269 | */ |
| 270 | if ( apply_filters( 'nps_survey_api_disable_permission_check', false ) ) { |
| 271 | return true; |
| 272 | } |
| 273 | |
| 274 | if ( ! current_user_can( 'manage_options' ) ) { |
| 275 | return new \WP_Error( |
| 276 | 'gt_rest_cannot_access', |
| 277 | __( 'Sorry, you are not allowed to do that.', 'nps-survey' ), |
| 278 | array( 'status' => rest_authorization_required_code() ) |
| 279 | ); |
| 280 | } |
| 281 | return true; |
| 282 | } |
| 283 | |
| 284 | /** |
| 285 | * Method to determine if the NPS survey status update should be skipped for database option. |
| 286 | * |
| 287 | * @param string $nps_id NPS ID. |
| 288 | * @param string $type Type of action (e.g., 'submit', 'dismiss'). |
| 289 | * @param array $data Additional data related to the NPS survey. |
| 290 | * |
| 291 | * @since 1.0.13 |
| 292 | * @return bool |
| 293 | * @phpstan-ignore-next-line |
| 294 | */ |
| 295 | public static function should_skip_status_update( $nps_id, $type, $data = array() ): bool { |
| 296 | /** |
| 297 | * Filter to determine if the NPS survey status should be updated. |
| 298 | * |
| 299 | * @param bool $update Default is true, can be modified by the filter. |
| 300 | * @param array $post_data Post data being sent. |
| 301 | * @since 1.0.13 |
| 302 | */ |
| 303 | return apply_filters( |
| 304 | 'nps_survey_should_skip_status_update', |
| 305 | false, // Default to false, can be modified by the filter. |
| 306 | array_merge( |
| 307 | $data, |
| 308 | array( |
| 309 | 'nps_id' => $nps_id, |
| 310 | 'action_type' => $type, |
| 311 | ) |
| 312 | ) |
| 313 | ); |
| 314 | } |
| 315 | |
| 316 | /** |
| 317 | * Submit Ratings. |
| 318 | * |
| 319 | * @param \WP_REST_Request $request Request object. |
| 320 | * @return void |
| 321 | * @phpstan-ignore-next-line |
| 322 | */ |
| 323 | public static function submit_rating( $request ) { |
| 324 | |
| 325 | $nonce = $request->get_header( 'X-WP-Nonce' ); |
| 326 | |
| 327 | // Verify the nonce. |
| 328 | if ( ! wp_verify_nonce( sanitize_text_field( (string) $nonce ), 'wp_rest' ) ) { |
| 329 | wp_send_json_error( |
| 330 | array( |
| 331 | 'data' => __( 'Nonce verification failed.', 'nps-survey' ), |
| 332 | 'status' => false, |
| 333 | |
| 334 | ) |
| 335 | ); |
| 336 | } |
| 337 | |
| 338 | $current_user = wp_get_current_user(); |
| 339 | $nps_id = $request->get_param( 'nps_id' ) ?? ''; |
| 340 | |
| 341 | /** |
| 342 | * Filter the post data. |
| 343 | * This can be used to modify the post data before sending it to the API. |
| 344 | * |
| 345 | * @param array<mixed> $post_data Post data. |
| 346 | * @param string $nps_id NPS ID. |
| 347 | * @return array<mixed> |
| 348 | */ |
| 349 | $post_data = apply_filters( |
| 350 | 'nps_survey_post_data', |
| 351 | array( |
| 352 | 'rating' => ! empty( $request['rating'] ) ? sanitize_text_field( strval( $request['rating'] ) ) : '', |
| 353 | 'comment' => ! empty( $request['comment'] ) ? sanitize_text_field( strval( $request['comment'] ) ) : '', |
| 354 | 'email' => $current_user->user_email, |
| 355 | 'first_name' => $current_user->first_name ?? $current_user->display_name, |
| 356 | 'last_name' => $current_user->last_name ?? '', |
| 357 | 'source' => ! empty( $request['plugin_slug'] ) ? sanitize_text_field( strval( $request['plugin_slug'] ) ) : '', |
| 358 | 'plugin_slug' => ! empty( $request['plugin_slug'] ) ? sanitize_text_field( strval( $request['plugin_slug'] ) ) : '', |
| 359 | ), |
| 360 | $nps_id |
| 361 | ); |
| 362 | |
| 363 | /** |
| 364 | * Filter the API endpoint. |
| 365 | * |
| 366 | * @param string $api_endpoint API endpoint. |
| 367 | * @param array<mixed> $post_data Post data. |
| 368 | * @param string $nps_id NPS ID. |
| 369 | * |
| 370 | * @return string |
| 371 | */ |
| 372 | $api_endpoint = apply_filters( |
| 373 | 'nps_survey_api_endpoint', |
| 374 | self::get_api_domain() . 'wp-json/bsf-metrics-server/v1/nps-survey/', |
| 375 | $post_data, // Pass the post data to the filter, so that the endpoint can be modified based on the data. |
| 376 | $nps_id |
| 377 | ); |
| 378 | |
| 379 | $post_data_in_json = wp_json_encode( $post_data ); |
| 380 | $request_args = array( |
| 381 | 'body' => $post_data_in_json ? $post_data_in_json : '', |
| 382 | 'headers' => self::get_api_headers(), |
| 383 | 'timeout' => 60, |
| 384 | ); |
| 385 | |
| 386 | $response = wp_safe_remote_post( $api_endpoint, $request_args ); |
| 387 | |
| 388 | if ( is_wp_error( $response ) ) { |
| 389 | // There was an error in the request. |
| 390 | wp_send_json_error( |
| 391 | array( |
| 392 | 'data' => 'Failed ' . $response->get_error_message(), |
| 393 | 'status' => false, |
| 394 | ) |
| 395 | ); |
| 396 | } |
| 397 | |
| 398 | $response_code = wp_remote_retrieve_response_code( $response ); |
| 399 | |
| 400 | if ( 200 === $response_code || 201 === $response_code ) { |
| 401 | |
| 402 | // If the status update should be skipped, return success. |
| 403 | if ( self::should_skip_status_update( $nps_id, 'submit', $post_data ) ) { |
| 404 | wp_send_json_success( |
| 405 | array( |
| 406 | 'status' => true, |
| 407 | ) |
| 408 | ); |
| 409 | } |
| 410 | |
| 411 | $nps_form_status = array( |
| 412 | 'dismiss_count' => 0, |
| 413 | 'dismiss_permanently' => true, |
| 414 | 'dismiss_step' => '', |
| 415 | ); |
| 416 | |
| 417 | update_option( self::get_nps_id( strval( $request['plugin_slug'] ) ), $nps_form_status, false ); |
| 418 | |
| 419 | wp_send_json_success( |
| 420 | array( |
| 421 | 'status' => true, |
| 422 | ) |
| 423 | ); |
| 424 | |
| 425 | } else { |
| 426 | wp_send_json_error( |
| 427 | array( |
| 428 | 'status' => false, |
| 429 | ) |
| 430 | ); |
| 431 | } |
| 432 | } |
| 433 | |
| 434 | /** |
| 435 | * Dismiss NPS Survey. |
| 436 | * |
| 437 | * @param \WP_REST_Request $request Request object. |
| 438 | * @return void |
| 439 | * @phpstan-ignore-next-line |
| 440 | */ |
| 441 | public static function dismiss_nps_survey_panel( $request ) { |
| 442 | |
| 443 | $nonce = $request->get_header( 'X-WP-Nonce' ); |
| 444 | |
| 445 | // Verify the nonce. |
| 446 | if ( ! wp_verify_nonce( sanitize_text_field( (string) $nonce ), 'wp_rest' ) ) { |
| 447 | wp_send_json_error( |
| 448 | array( |
| 449 | 'data' => __( 'Nonce verification failed.', 'nps-survey' ), |
| 450 | 'status' => false, |
| 451 | |
| 452 | ) |
| 453 | ); |
| 454 | } |
| 455 | |
| 456 | // If the status update should be skipped, return success. |
| 457 | $nps_id = $request->get_param( 'nps_id' ) ?? ''; |
| 458 | if ( self::should_skip_status_update( $nps_id, 'dismiss' ) ) { |
| 459 | wp_send_json_success( |
| 460 | array( |
| 461 | 'status' => true, |
| 462 | ) |
| 463 | ); |
| 464 | } |
| 465 | |
| 466 | $nps_form_status = self::get_nps_survey_dismiss_status( strval( $request['plugin_slug'] ) ); |
| 467 | |
| 468 | // Add dismiss timespan. |
| 469 | $nps_form_status['dismiss_timespan'] = $request['dismiss_timespan']; |
| 470 | |
| 471 | // Add dismiss date. |
| 472 | $nps_form_status['dismiss_time'] = time(); |
| 473 | |
| 474 | // Update dismiss count. |
| 475 | $nps_form_status['dismiss_count'] += 1; |
| 476 | $nps_form_status['dismiss_step'] = $request['current_step']; |
| 477 | |
| 478 | // Dismiss Permanantly. |
| 479 | if ( $nps_form_status['dismiss_count'] >= 2 ) { |
| 480 | $nps_form_status['dismiss_permanently'] = true; |
| 481 | } |
| 482 | |
| 483 | update_option( self::get_nps_id( strval( $request['plugin_slug'] ) ), $nps_form_status ); |
| 484 | |
| 485 | wp_send_json_success( |
| 486 | array( |
| 487 | 'status' => true, |
| 488 | ) |
| 489 | ); |
| 490 | } |
| 491 | |
| 492 | /** |
| 493 | * Get dismiss status of NPS Survey. |
| 494 | * |
| 495 | * @param string $plugin_slug slug of unique NPS Survey. |
| 496 | * @return array<string, mixed> |
| 497 | */ |
| 498 | public static function get_nps_survey_dismiss_status( string $plugin_slug ) { |
| 499 | |
| 500 | $default_status = get_option( |
| 501 | self::get_nps_id( $plugin_slug ), |
| 502 | array( |
| 503 | 'dismiss_count' => 0, |
| 504 | 'dismiss_permanently' => false, |
| 505 | 'dismiss_step' => '', |
| 506 | 'dismiss_time' => '', |
| 507 | 'dismiss_timespan' => null, |
| 508 | 'first_render_time' => null, |
| 509 | ) |
| 510 | ); |
| 511 | |
| 512 | if ( ! is_array( $default_status ) ) { |
| 513 | return array(); |
| 514 | } |
| 515 | |
| 516 | return array( |
| 517 | 'dismiss_count' => ! empty( $default_status['dismiss_count'] ) ? $default_status['dismiss_count'] : 0, |
| 518 | 'dismiss_permanently' => ! empty( $default_status['dismiss_permanently'] ) ? $default_status['dismiss_permanently'] : false, |
| 519 | 'dismiss_step' => ! empty( $default_status['dismiss_step'] ) ? $default_status['dismiss_step'] : '', |
| 520 | 'dismiss_time' => ! empty( $default_status['dismiss_time'] ) ? $default_status['dismiss_time'] : '', |
| 521 | 'dismiss_timespan' => ! empty( $default_status['dismiss_timespan'] ) ? $default_status['dismiss_timespan'] : null, |
| 522 | 'first_render_time' => ! empty( $default_status['first_render_time'] ) ? $default_status['first_render_time'] : null, |
| 523 | ); |
| 524 | } |
| 525 | |
| 526 | /** |
| 527 | * Show status of NPS Survey. |
| 528 | * |
| 529 | * @param string $plugin_slug slug of unique NPS Survey. |
| 530 | * @param int $display_after number of days after which NPS Survey should be displayed. |
| 531 | * @return bool |
| 532 | */ |
| 533 | public static function is_show_nps_survey_form( string $plugin_slug, int $display_after ) { |
| 534 | |
| 535 | $current_time = time(); |
| 536 | $status = self::get_nps_survey_dismiss_status( $plugin_slug ); |
| 537 | |
| 538 | if ( $status['dismiss_permanently'] ) { |
| 539 | return false; |
| 540 | } |
| 541 | |
| 542 | $first_render_time = $status['first_render_time']; |
| 543 | |
| 544 | if ( 0 !== $display_after ) { |
| 545 | if ( null === $first_render_time ) { |
| 546 | $status['first_render_time'] = $current_time; |
| 547 | update_option( self::get_nps_id( $plugin_slug ), $status ); |
| 548 | $status = self::get_nps_survey_dismiss_status( $plugin_slug ); |
| 549 | return false; |
| 550 | } |
| 551 | if ( $display_after + $first_render_time > $current_time ) { |
| 552 | return false; |
| 553 | } |
| 554 | } |
| 555 | |
| 556 | // Retrieve the stored date time stamp from wp_options. |
| 557 | $stored_date_timestamp = $status['dismiss_time']; |
| 558 | $dismiss_timespan = $status['dismiss_timespan']; |
| 559 | |
| 560 | if ( $stored_date_timestamp ) { |
| 561 | |
| 562 | $current_time = time(); |
| 563 | |
| 564 | // time difference of current time and the time user dismissed the nps. |
| 565 | $time_difference = $current_time - $stored_date_timestamp; |
| 566 | |
| 567 | // Check if two weeks have passed. |
| 568 | if ( $time_difference <= $dismiss_timespan ) { |
| 569 | return false; |
| 570 | } |
| 571 | } |
| 572 | |
| 573 | return true; |
| 574 | } |
| 575 | |
| 576 | /** |
| 577 | * Check if NPS Survey is enabled for admin only. Default is true. |
| 578 | * |
| 579 | * @since 1.0.13 |
| 580 | * @return bool |
| 581 | */ |
| 582 | public static function is_nps_survey_enabled_for_admin_only() { |
| 583 | /** |
| 584 | * Filter to check if NPS Survey is enabled for admin only. |
| 585 | * |
| 586 | * @since 1.0.13 |
| 587 | */ |
| 588 | return apply_filters( 'nps_survey_enabled_for_admin_only', true ); |
| 589 | } |
| 590 | |
| 591 | /** |
| 592 | * Get NPS Dismiss Option Name. |
| 593 | * |
| 594 | * @param string $plugin_slug Plugin name. |
| 595 | * @return string |
| 596 | */ |
| 597 | public static function get_nps_id( $plugin_slug ) { |
| 598 | return 'nps-survey-' . $plugin_slug; |
| 599 | } |
| 600 | } |
| 601 | |
| 602 | /** |
| 603 | * Kicking this off by calling 'get_instance()' method |
| 604 | */ |
| 605 | Nps_Survey::get_instance(); |
| 606 |