| 1 |
<?php |
| 2 |
/** |
| 3 |
* Controller for email styles |
| 4 |
* |
| 5 |
* @since 6.25 |
| 6 |
* |
| 7 |
* @package Formidable |
| 8 |
*/ |
| 9 |
|
| 10 |
if ( ! defined( 'ABSPATH' ) ) { |
| 11 |
die( 'You are not allowed to call this page directly.' ); |
| 12 |
} |
| 13 |
|
| 14 |
/** |
| 15 |
* Class FrmEmailStylesController |
| 16 |
*/ |
| 17 |
class FrmEmailStylesController { |
| 18 |
|
| 19 |
/** |
| 20 |
* Gets email styles. |
| 21 |
* |
| 22 |
* @return array[] |
| 23 |
*/ |
| 24 |
public static function get_email_styles() { |
| 25 |
$icon_dir_url = FrmAppHelper::plugin_url() . '/images/email-styles/'; |
| 26 |
|
| 27 |
$email_styles = array( |
| 28 |
'classic' => array( |
| 29 |
'name' => __( 'Classic', 'formidable' ), |
| 30 |
'selectable' => true, |
| 31 |
'icon_url' => $icon_dir_url . 'classic.svg', |
| 32 |
'is_plain_text' => false, |
| 33 |
), |
| 34 |
'plain' => array( |
| 35 |
'name' => __( 'Plain Text', 'formidable' ), |
| 36 |
'selectable' => true, |
| 37 |
'icon_url' => $icon_dir_url . 'plain.svg', |
| 38 |
'is_plain_text' => true, |
| 39 |
), |
| 40 |
'modern' => array( |
| 41 |
'name' => __( 'Modern', 'formidable' ), |
| 42 |
'selectable' => false, |
| 43 |
'icon_url' => $icon_dir_url . 'modern.svg', |
| 44 |
'is_plain_text' => false, |
| 45 |
), |
| 46 |
'sleek' => array( |
| 47 |
'name' => __( 'Sleek', 'formidable' ), |
| 48 |
'selectable' => false, |
| 49 |
'icon_url' => $icon_dir_url . 'sleek.svg', |
| 50 |
'is_plain_text' => false, |
| 51 |
), |
| 52 |
'compact' => array( |
| 53 |
'name' => __( 'Compact', 'formidable' ), |
| 54 |
'selectable' => false, |
| 55 |
'icon_url' => $icon_dir_url . 'compact.svg', |
| 56 |
'is_plain_text' => false, |
| 57 |
), |
| 58 |
); |
| 59 |
|
| 60 |
/** |
| 61 |
* Filter the email styles. |
| 62 |
* |
| 63 |
* @since 6.25 |
| 64 |
* |
| 65 |
* @param array[] $email_styles The email styles. |
| 66 |
* |
| 67 |
* @return array |
| 68 |
*/ |
| 69 |
return apply_filters( 'frm_email_styles', $email_styles ); |
| 70 |
} |
| 71 |
|
| 72 |
/** |
| 73 |
* Gets email style preview URL. |
| 74 |
* |
| 75 |
* @param string $style_key Style key. |
| 76 |
* |
| 77 |
* @return string |
| 78 |
*/ |
| 79 |
public static function get_email_style_preview_url( $style_key ) { |
| 80 |
return wp_nonce_url( admin_url( 'admin-ajax.php?action=frm_email_style_preview&style_key=' . $style_key ), 'frm_email_style_preview' ); |
| 81 |
} |
| 82 |
|
| 83 |
/** |
| 84 |
* Gets the email style set in the Global settings. |
| 85 |
* |
| 86 |
* @return string |
| 87 |
*/ |
| 88 |
public static function get_default_email_style() { |
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$frm_settings = FrmAppHelper::get_settings(); |
| 90 |
|
| 91 |
if ( empty( $frm_settings->email_style ) ) { |
| 92 |
return 'classic'; |
| 93 |
} |
| 94 |
|
| 95 |
// Check if the selected style is available and selectable. |
| 96 |
$styles = self::get_email_styles(); |
| 97 |
$style = $frm_settings->email_style; |
| 98 |
|
| 99 |
if ( isset( $styles[ $style ] ) && ! empty( $styles[ $style ]['selectable'] ) ) { |
| 100 |
return $style; |
| 101 |
} |
| 102 |
|
| 103 |
return 'classic'; |
| 104 |
} |
| 105 |
|
| 106 |
/** |
| 107 |
* Gets the test email content. |
| 108 |
* |
| 109 |
* @param false|string $style_key Default is `false`, using the one in settings. |
| 110 |
* |
| 111 |
* @return string |
| 112 |
*/ |
| 113 |
private static function get_test_email_content( $style_key = false ) { |
| 114 |
if ( ! $style_key ) { |
| 115 |
$style_key = self::get_default_email_style(); |
| 116 |
} |
| 117 |
|
| 118 |
$table_rows = array( |
| 119 |
array( |
| 120 |
'label' => 'Name', |
| 121 |
'value' => 'John Doe', |
| 122 |
), |
| 123 |
array( |
| 124 |
'label' => 'Email address', |
| 125 |
'value' => 'john@doe.com', |
| 126 |
), |
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array( |
| 128 |
'label' => 'Subject', |
| 129 |
'value' => 'Contact subject', |
| 130 |
), |
| 131 |
array( |
| 132 |
'label' => 'Message', |
| 133 |
'value' => 'Lorem ipsum dolor sit amet, <a href="#">consectetur adipiscing elit</a>. |
| 134 |
Praesent in risus velit. Donec molestie tincidunt ex sed consequat. Ut ornare fringilla fringilla.', |
| 135 |
), |
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); |
| 137 |
|
| 138 |
if ( 'plain' === $style_key ) { |
| 139 |
$content = ''; |
| 140 |
|
| 141 |
foreach ( $table_rows as $row ) { |
| 142 |
$content .= $row['label'] . ': ' . $row['value'] . "\r\n"; |
| 143 |
} |
| 144 |
} else { |
| 145 |
$content = self::get_test_rich_text_email_content( $style_key, $table_rows ); |
| 146 |
}//end if |
| 147 |
|
| 148 |
return $content; |
| 149 |
} |
| 150 |
|
| 151 |
/** |
| 152 |
* Gets the test email content. |
| 153 |
* |
| 154 |
* @param string $style_key Style key. |
| 155 |
* @param array $table_rows Table rows. |
| 156 |
* |
| 157 |
* @return string |
| 158 |
*/ |
| 159 |
private static function get_test_rich_text_email_content( $style_key, $table_rows ) { |
| 160 |
$style_settings = self::get_email_style_settings(); |
| 161 |
|
| 162 |
// Sleek table style doesn't have any border. |
| 163 |
$should_remove_border = 'sleek' === $style_key; |
| 164 |
|
| 165 |
// Modern and Compact table styles don't have top and bottom border. |
| 166 |
$should_remove_top_bottom_border = 'classic' !== $style_key; |
| 167 |
$table_generator = self::get_table_generator( $style_key ); |
| 168 |
$content = $table_generator->generate_table_header(); |
| 169 |
|
| 170 |
// By default, table has the bottom border and table cells have top border. |
| 171 |
if ( $should_remove_top_bottom_border ) { |
| 172 |
$content = $table_generator->remove_border( $content, 'bottom' ); |
| 173 |
} |
| 174 |
|
| 175 |
foreach ( $table_rows as $index => $row ) { |
| 176 |
if ( 'compact' === $style_key ) { |
| 177 |
// Add some spaces after the label. Maybe change it to the left in RTL. |
| 178 |
$row['label'] = '<div style="padding-right:10px;">' . $row['label'] . '</div>'; |
| 179 |
|
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// Compact table has two columns layout. |
| 181 |
$table_row = $table_generator->generate_two_cell_table_row( $row['label'], $row['value'] ); |
| 182 |
} else { |
| 183 |
// Other table styles have one column layout. |
| 184 |
$table_row = $table_generator->generate_single_cell_table_row( self::get_content_for_one_column_cell( $row['label'], $row['value'] ) ); |
| 185 |
} |
| 186 |
|
| 187 |
if ( ! $index && $should_remove_top_bottom_border ) { |
| 188 |
$table_row = $table_generator->remove_border( $table_row ); |
| 189 |
} |
| 190 |
|
| 191 |
$content .= $table_row; |
| 192 |
} |
| 193 |
|
| 194 |
$content .= $table_generator->generate_table_footer(); |
| 195 |
|
| 196 |
if ( $should_remove_border ) { |
| 197 |
$content = $table_generator->remove_border( $content, 'top' ); |
| 198 |
} |
| 199 |
|
| 200 |
if ( 'classic' !== $style_key ) { |
| 201 |
$content = self::wrap_email_message( $content ); |
| 202 |
} |
| 203 |
|
| 204 |
$wrapped_content = '<html><head><meta charset="utf-8" /></head>'; |
| 205 |
|
| 206 |
if ( 'classic' !== $style_key ) { |
| 207 |
// This works in previewing and as a fallback for email content. |
| 208 |
$wrapped_content .= '<style> |
| 209 |
body {background-color:' . esc_attr( $style_settings['bg_color'] ) . ';} |
| 210 |
a {color:' . esc_attr( $style_settings['link_color'] ) . ';} |
| 211 |
</style>'; |
| 212 |
} |
| 213 |
|
| 214 |
return $wrapped_content . ( '</head><body>' . $content . '</body></html>' ); |
| 215 |
} |
| 216 |
|
| 217 |
/** |
| 218 |
* Gets content for the cell of one column table. |
| 219 |
* |
| 220 |
* @param string $label Field label. |
| 221 |
* @param string $value Prepared field value. |
| 222 |
* |
| 223 |
* @return string |
| 224 |
*/ |
| 225 |
public static function get_content_for_one_column_cell( $label, $value ) { |
| 226 |
return '<div style="font-weight:600;">' . $label . '</div>' . $value; |
| 227 |
} |
| 228 |
|
| 229 |
/** |
| 230 |
* Gets table generator object for an email style. |
| 231 |
* |
| 232 |
* @param false|string $email_style Email style. Default is `false`: using the one in global settings. |
| 233 |
* |
| 234 |
* @return FrmTableHTMLGenerator |
| 235 |
*/ |
| 236 |
public static function get_table_generator( $email_style = false ) { |
| 237 |
if ( false === $email_style ) { |
| 238 |
$email_style = self::get_default_email_style(); |
| 239 |
} |
| 240 |
|
| 241 |
$style_settings = self::get_email_style_settings(); |
| 242 |
|
| 243 |
$atts = array( |
| 244 |
'inline_style' => true, |
| 245 |
'email_style' => $email_style, |
| 246 |
); |
| 247 |
|
| 248 |
if ( 'classic' !== $email_style ) { |
| 249 |
$atts['width'] = '100%'; |
| 250 |
$atts['border_color'] = $style_settings['border_color']; |
| 251 |
$atts['cell_padding'] = '16px 0'; |
| 252 |
$atts['bg_color'] = $style_settings['container_bg_color']; |
| 253 |
$atts['alt_bg_color'] = $style_settings['container_bg_color']; |
| 254 |
$atts['text_color'] = $style_settings['text_color']; |
| 255 |
} |
| 256 |
|
| 257 |
return new FrmTableHTMLGenerator( 'entry', $atts ); |
| 258 |
} |
| 259 |
|
| 260 |
/** |
| 261 |
* AJAX handler for previewing email style. |
| 262 |
*/ |
| 263 |
public static function ajax_preview() { |
| 264 |
// Check permission and nonce. |
| 265 |
FrmAppHelper::permission_check( 'frm_change_settings' ); |
| 266 |
check_ajax_referer( 'frm_email_style_preview' ); |
| 267 |
|
| 268 |
$style_key = FrmAppHelper::get_param( 'style_key', '', 'get', 'sanitize_text_field' ); |
| 269 |
$not_exist_msg = __( "This email style doesn't exist", 'formidable' ); |
| 270 |
|
| 271 |
if ( ! $style_key ) { |
| 272 |
die( esc_html( $not_exist_msg ) ); |
| 273 |
} |
| 274 |
|
| 275 |
if ( ! isset( self::get_email_styles()[ $style_key ] ) ) { |
| 276 |
die( esc_html( $not_exist_msg ) ); |
| 277 |
} |
| 278 |
|
| 279 |
$style_key = FrmAppHelper::get_param( 'style_key', '', 'sanitize_text_field' ); |
| 280 |
$content = self::get_test_email_content( $style_key ); |
| 281 |
|
| 282 |
header( self::get_content_type_header( $style_key ) ); |
| 283 |
|
| 284 |
echo $content; // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped |
| 285 |
|
| 286 |
die(); |
| 287 |
} |
| 288 |
|
| 289 |
/** |
| 290 |
* AJAX handler for sending a test email. |
| 291 |
*/ |
| 292 |
public static function ajax_send_test_email() { |
| 293 |
// Check permission and nonce. |
| 294 |
FrmAppHelper::permission_check( 'frm_change_settings' ); |
| 295 |
check_ajax_referer( 'frm_ajax', 'nonce' ); |
| 296 |
|
| 297 |
$emails_str = FrmAppHelper::get_post_param( 'emails_str', '', 'sanitize_text_field' ); |
| 298 |
$emails = explode( ',', $emails_str ); |
| 299 |
$valid_emails = array(); |
| 300 |
|
| 301 |
foreach ( $emails as $email ) { |
| 302 |
$email = trim( $email ); |
| 303 |
|
| 304 |
if ( ! $email || ! is_email( $email ) ) { |
| 305 |
continue; |
| 306 |
} |
| 307 |
|
| 308 |
$valid_emails[] = $email; |
| 309 |
} |
| 310 |
|
| 311 |
if ( ! $valid_emails ) { |
| 312 |
wp_send_json_error( __( 'Invalid email address', 'formidable' ) ); |
| 313 |
} |
| 314 |
|
| 315 |
$email_style = self::get_default_email_style(); |
| 316 |
$subject = __( 'Formidable Test Email', 'formidable' ); |
| 317 |
$content = self::get_test_email_content(); |
| 318 |
$headers = array( |
| 319 |
self::get_content_type_header( $email_style ), |
| 320 |
); |
| 321 |
|
| 322 |
FrmUsageController::update_flows_data( 'send_test_email', $email_style ); |
| 323 |
|
| 324 |
$result = wp_mail( $valid_emails, $subject, $content, $headers ); |
| 325 |
|
| 326 |
if ( $result ) { |
| 327 |
wp_send_json_success( __( 'Test email sent successfully!', 'formidable' ) ); |
| 328 |
} |
| 329 |
|
| 330 |
wp_send_json_error( __( 'Failed to send test email!', 'formidable' ) ); |
| 331 |
} |
| 332 |
|
| 333 |
/** |
| 334 |
* Gets Content-Type header. |
| 335 |
* |
| 336 |
* @param string $email_style Email style. |
| 337 |
* |
| 338 |
* @return string |
| 339 |
*/ |
| 340 |
private static function get_content_type_header( $email_style ) { |
| 341 |
$content_type = 'plain' === $email_style ? 'text/plain' : 'text/html'; |
| 342 |
return 'Content-Type: ' . $content_type . '; charset=utf-8'; |
| 343 |
} |
| 344 |
|
| 345 |
/** |
| 346 |
* Shows placeholder Pro settings. |
| 347 |
* |
| 348 |
* @return void |
| 349 |
*/ |
| 350 |
public static function show_upsell_settings() { |
| 351 |
include FrmAppHelper::plugin_path() . '/classes/views/frm-settings/email/settings.php'; |
| 352 |
} |
| 353 |
|
| 354 |
/** |
| 355 |
* Gets email style settings value. |
| 356 |
* |
| 357 |
* @return array |
| 358 |
*/ |
| 359 |
public static function get_email_style_settings() { |
| 360 |
/** |
| 361 |
* Filter the email style settings value. |
| 362 |
* |
| 363 |
* @since 6.25 |
| 364 |
* |
| 365 |
* @param array $settings The settings value. |
| 366 |
*/ |
| 367 |
return apply_filters( |
| 368 |
'frm_email_style_settings', |
| 369 |
array( |
| 370 |
// Placeholder image. |
| 371 |
'img' => FrmAppHelper::plugin_url() . '/images/email-styles/placeholder.png', |
| 372 |
'img_size' => '', |
| 373 |
'img_align' => '', |
| 374 |
'img_location' => '', |
| 375 |
'bg_color' => '#EAECF0', |
| 376 |
'container_bg_color' => '#ffffff', |
| 377 |
'text_color' => '#475467', |
| 378 |
'link_color' => '#4199FD', |
| 379 |
'border_color' => '#dddddd', |
| 380 |
'font' => '', |
| 381 |
) |
| 382 |
); |
| 383 |
} |
| 384 |
|
| 385 |
/** |
| 386 |
* Wraps email message with new settings. |
| 387 |
* |
| 388 |
* @param string $message Email message. |
| 389 |
* |
| 390 |
* @return string |
| 391 |
*/ |
| 392 |
public static function wrap_email_message( $message ) { |
| 393 |
$style_settings = self::get_email_style_settings(); |
| 394 |
$header_img = ''; |
| 395 |
|
| 396 |
if ( $style_settings['img'] ) { |
| 397 |
$img_align = $style_settings['img_align'] ? $style_settings['img_align'] : 'center'; |
| 398 |
$img_size = $style_settings['img_size'] ? $style_settings['img_size'] : 'thumbnail'; |
| 399 |
$img_url = is_numeric( $style_settings['img'] ) ? wp_get_attachment_image_url( $style_settings['img'], $img_size ) : $style_settings['img']; |
| 400 |
|
| 401 |
$header_img .= sprintf( |
| 402 |
'<div style="text-align:%s;margin-bottom:32px;">', |
| 403 |
esc_attr( $img_align ) |
| 404 |
); |
| 405 |
|
| 406 |
$header_img .= sprintf( |
| 407 |
'<img src="%s" alt="" style="max-width:100%%;height:auto;" />', |
| 408 |
esc_url( $img_url ) |
| 409 |
); |
| 410 |
|
| 411 |
$header_img .= '</div>'; |
| 412 |
} |
| 413 |
|
| 414 |
// Wrapper. |
| 415 |
$font_family = $style_settings['font'] ? $style_settings['font'] : 'Inter,sans-serif'; |
| 416 |
$new_message = sprintf( |
| 417 |
'<div style="background-color:%1$s;color:%2$s;font-family:%3$s;padding:40px 10px;">', |
| 418 |
esc_attr( $style_settings['bg_color'] ), |
| 419 |
esc_attr( $style_settings['text_color'] ), |
| 420 |
esc_attr( $font_family ) |
| 421 |
); |
| 422 |
|
| 423 |
// Container. |
| 424 |
$new_message .= '<div style="max-width:640px;margin:auto;">'; |
| 425 |
|
| 426 |
// Header image if outside. |
| 427 |
if ( $style_settings['img'] && 'inside' !== $style_settings['img_location'] ) { |
| 428 |
$new_message .= $header_img; |
| 429 |
} |
| 430 |
|
| 431 |
// Main container. |
| 432 |
$new_message .= sprintf( |
| 433 |
'<div style="background-color:%s;border-radius:8px;padding:32px;">', |
| 434 |
esc_attr( $style_settings['container_bg_color'] ) |
| 435 |
); |
| 436 |
|
| 437 |
// Header image if inside. |
| 438 |
if ( $style_settings['img'] && 'inside' === $style_settings['img_location'] ) { |
| 439 |
$new_message .= $header_img; |
| 440 |
} |
| 441 |
|
| 442 |
// The message. |
| 443 |
$new_message .= self::add_inline_css( 'a', 'color:' . $style_settings['link_color'] . ';', $message ); |
| 444 |
|
| 445 |
return $new_message . '</div></div></div>'; |
| 446 |
} |
| 447 |
|
| 448 |
/** |
| 449 |
* Adds inline CSS to a tag in the content. |
| 450 |
* |
| 451 |
* @param string $tag Tag name. |
| 452 |
* @param string $css CSS code. |
| 453 |
* @param string $content The content. |
| 454 |
* |
| 455 |
* @return string |
| 456 |
*/ |
| 457 |
private static function add_inline_css( $tag, $css, $content ) { |
| 458 |
$regex = '/<' . $tag . '.*?>/msi'; |
| 459 |
preg_match_all( $regex, $content, $matches, PREG_SET_ORDER ); |
| 460 |
|
| 461 |
if ( ! $matches ) { |
| 462 |
return $content; |
| 463 |
} |
| 464 |
|
| 465 |
$searches = array(); |
| 466 |
$replaces = array(); |
| 467 |
|
| 468 |
foreach ( $matches as $match ) { |
| 469 |
$searches[] = $match[0]; |
| 470 |
$replaces[] = self::add_css_to_style_attr( $tag, $css, $match[0] ); |
| 471 |
} |
| 472 |
|
| 473 |
return str_replace( $searches, $replaces, $content ); |
| 474 |
} |
| 475 |
|
| 476 |
/** |
| 477 |
* Adds inline CSS to a single HTML tag. |
| 478 |
* |
| 479 |
* @param string $tag Tag name. |
| 480 |
* @param string $css CSS code. |
| 481 |
* @param string $html The HTML tag. |
| 482 |
* |
| 483 |
* @return string |
| 484 |
*/ |
| 485 |
private static function add_css_to_style_attr( $tag, $css, $html ) { |
| 486 |
$regex = '/\sstyle=("|\')/mi'; |
| 487 |
|
| 488 |
if ( preg_match( $regex, $html, $matches ) ) { |
| 489 |
$search = $matches[0]; |
| 490 |
$replace = $search . $css; |
| 491 |
return preg_replace( $regex, $replace, $html ); |
| 492 |
} |
| 493 |
|
| 494 |
return str_replace( '<' . $tag, '<' . $tag . ' style="' . $css . '"', $html ); |
| 495 |
} |
| 496 |
} |
| 497 |
|
