| 1 |
<?php |
| 2 |
/** |
| 3 |
* Form Settings Controller |
| 4 |
* |
| 5 |
* @package Forge12\DoubleOptIn\Admin |
| 6 |
* @since 4.1.0 |
| 7 |
*/ |
| 8 |
|
| 9 |
namespace Forge12\DoubleOptIn\Admin; |
| 10 |
|
| 11 |
use Forge12\DoubleOptIn\FormSettings\FormSettingsDTO; |
| 12 |
use Forge12\DoubleOptIn\FormSettings\FormSettingsService; |
| 13 |
use Forge12\DoubleOptIn\FormSettings\FormSettingsValidator; |
| 14 |
use Forge12\Shared\LoggerInterface; |
| 15 |
|
| 16 |
if ( ! defined( 'ABSPATH' ) ) { |
| 17 |
exit; |
| 18 |
} |
| 19 |
|
| 20 |
/** |
| 21 |
* Class FormSettingsController |
| 22 |
* |
| 23 |
* Handles AJAX requests for form settings management. |
| 24 |
*/ |
| 25 |
class FormSettingsController { |
| 26 |
|
| 27 |
/** |
| 28 |
* Logger instance. |
| 29 |
* |
| 30 |
* @var LoggerInterface |
| 31 |
*/ |
| 32 |
private LoggerInterface $logger; |
| 33 |
|
| 34 |
/** |
| 35 |
* Form settings service. |
| 36 |
* |
| 37 |
* @var FormSettingsService |
| 38 |
*/ |
| 39 |
private FormSettingsService $service; |
| 40 |
|
| 41 |
/** |
| 42 |
* Form settings validator. |
| 43 |
* |
| 44 |
* @var FormSettingsValidator |
| 45 |
*/ |
| 46 |
private FormSettingsValidator $validator; |
| 47 |
|
| 48 |
/** |
| 49 |
* Constructor. |
| 50 |
* |
| 51 |
* @param LoggerInterface $logger The logger instance. |
| 52 |
* @param FormSettingsService $service The settings service. |
| 53 |
* @param FormSettingsValidator $validator The validator. |
| 54 |
*/ |
| 55 |
public function __construct( |
| 56 |
LoggerInterface $logger, |
| 57 |
FormSettingsService $service, |
| 58 |
FormSettingsValidator $validator |
| 59 |
) { |
| 60 |
$this->logger = $logger; |
| 61 |
$this->service = $service; |
| 62 |
$this->validator = $validator; |
| 63 |
} |
| 64 |
|
| 65 |
/** |
| 66 |
* Register AJAX actions. |
| 67 |
* |
| 68 |
* @return void |
| 69 |
*/ |
| 70 |
public function registerActions(): void { |
| 71 |
add_action( 'wp_ajax_doi_get_form_settings', array( $this, 'getFormSettings' ) ); |
| 72 |
add_action( 'wp_ajax_doi_save_form_settings', array( $this, 'saveFormSettings' ) ); |
| 73 |
add_action( 'wp_ajax_doi_toggle_form', array( $this, 'toggleForm' ) ); |
| 74 |
add_action( 'wp_ajax_doi_get_all_forms', array( $this, 'getAllForms' ) ); |
| 75 |
} |
| 76 |
|
| 77 |
/** |
| 78 |
* Get settings for a specific form. |
| 79 |
* |
| 80 |
* @return void |
| 81 |
*/ |
| 82 |
public function getFormSettings(): void { |
| 83 |
$this->verifyNonce(); |
| 84 |
$this->checkCapability(); |
| 85 |
|
| 86 |
// Keep as string to support composite IDs (e.g., Elementor: "123_abc456") |
| 87 |
$formId = isset( $_POST['form_id'] ) ? sanitize_text_field( $_POST['form_id'] ) : ''; |
| 88 |
$integration = isset( $_POST['integration'] ) ? sanitize_text_field( $_POST['integration'] ) : ''; |
| 89 |
|
| 90 |
if ( empty( $formId ) ) { |
| 91 |
$this->sendError( __( 'Invalid form ID.', 'double-opt-in' ) ); |
| 92 |
} |
| 93 |
|
| 94 |
$formData = $this->service->getFormData( $formId, $integration ); |
| 95 |
|
| 96 |
if ( ! $formData ) { |
| 97 |
$this->sendError( __( 'Form not found.', 'double-opt-in' ) ); |
| 98 |
} |
| 99 |
|
| 100 |
// Add additional data for the panel |
| 101 |
$formData['templates'] = $this->service->getAvailableTemplates( $formId ); |
| 102 |
$formData['categories'] = $this->service->getAvailableCategories(); |
| 103 |
$formData['pages'] = $this->service->getAvailablePages(); |
| 104 |
$formData['templateDetails'] = $this->service->getTemplateDetails(); |
| 105 |
|
| 106 |
/** |
| 107 |
* Filter to allow extensions (e.g., Pro version) to add additional data to the form settings response. |
| 108 |
* |
| 109 |
* @param array $formData The form data array. |
| 110 |
* @param int $formId The form ID. |
| 111 |
* |
| 112 |
* @since 4.1.0 |
| 113 |
*/ |
| 114 |
$formData = apply_filters( 'f12_doi_form_settings_data', $formData, $formId ); |
| 115 |
|
| 116 |
$this->sendSuccess( $formData ); |
| 117 |
} |
| 118 |
|
| 119 |
/** |
| 120 |
* Save settings for a specific form. |
| 121 |
* |
| 122 |
* @return void |
| 123 |
*/ |
| 124 |
public function saveFormSettings(): void { |
| 125 |
$this->verifyNonce(); |
| 126 |
$this->checkCapability(); |
| 127 |
|
| 128 |
// Keep as string to support composite IDs (e.g., Elementor: "123_abc456") |
| 129 |
$formId = isset( $_POST['form_id'] ) ? sanitize_text_field( $_POST['form_id'] ) : ''; |
| 130 |
|
| 131 |
if ( empty( $formId ) ) { |
| 132 |
$this->sendError( __( 'Invalid form ID.', 'double-opt-in' ) ); |
| 133 |
} |
| 134 |
|
| 135 |
// For composite IDs, extract the post ID for storage |
| 136 |
$storageId = strpos( $formId, '_' ) !== false ? (int) explode( '_', $formId )[0] : (int) $formId; |
| 137 |
|
| 138 |
// Parse settings from POST data |
| 139 |
$settingsData = isset( $_POST['settings'] ) ? $_POST['settings'] : array(); |
| 140 |
|
| 141 |
if ( is_string( $settingsData ) ) { |
| 142 |
$settingsData = json_decode( wp_unslash( $settingsData ), true ); |
| 143 |
} |
| 144 |
|
| 145 |
// Capture current state BEFORE sanitize so we can detect |
| 146 |
// enabled-state transitions for the completeness-gate (plan §2.2). |
| 147 |
$oldSettings = $this->service->getSettings( $storageId ); |
| 148 |
$wasEnabled = $oldSettings->enabled; |
| 149 |
|
| 150 |
// Sanitize and create DTO |
| 151 |
$settings = $this->validator->sanitize( $settingsData ); |
| 152 |
|
| 153 |
// Completeness-gate (plan/doi-completeness-gate.md §2.2) — runs |
| 154 |
// BEFORE the format-validator so we surface the more specific |
| 155 |
// INCOMPLETE_CONFIG error code on the explicit enable-attempt |
| 156 |
// path. Auto-disable applies on the silent-drift path (was |
| 157 |
// enabled, save makes it incomplete). |
| 158 |
$missingRequired = $settings->getMissingRequiredFields(); |
| 159 |
$autoDisabled = false; |
| 160 |
|
| 161 |
if ( $settings->enabled && ! empty( $missingRequired ) ) { |
| 162 |
if ( ! $wasEnabled ) { |
| 163 |
// Explicit enable-attempt with incomplete config — block. |
| 164 |
$this->sendIncompleteConfigError( $missingRequired ); |
| 165 |
return; // sendIncompleteConfigError() exits via wp_send_json |
| 166 |
} |
| 167 |
|
| 168 |
// Was enabled, save makes it incomplete — auto-disable rather |
| 169 |
// than block, so the user's other edits aren't lost. Surface |
| 170 |
// via the response so the UI can render a notification. |
| 171 |
$settings->enabled = false; |
| 172 |
$autoDisabled = true; |
| 173 |
|
| 174 |
/** |
| 175 |
* Fired when a form save would have left the form enabled with |
| 176 |
* an incomplete config, and the controller auto-disabled it |
| 177 |
* instead. |
| 178 |
* |
| 179 |
* @since 4.5.0 |
| 180 |
* |
| 181 |
* @param string $formId The form ID (composite for Elementor). |
| 182 |
* @param array $missing The list of missing required-field IDs. |
| 183 |
*/ |
| 184 |
do_action( 'f12_doi_form_auto_disabled_incomplete', $formId, $missingRequired ); |
| 185 |
|
| 186 |
$this->logger->warning( |
| 187 |
'Form auto-disabled — save would have left it enabled with incomplete config', |
| 188 |
array( |
| 189 |
'plugin' => 'double-opt-in', |
| 190 |
'form_id' => $formId, |
| 191 |
'missing' => $missingRequired, |
| 192 |
) |
| 193 |
); |
| 194 |
} |
| 195 |
|
| 196 |
// Validate (format-only checks remaining after completeness-gate) |
| 197 |
$errors = $this->validator->validate( $settings ); |
| 198 |
if ( ! empty( $errors ) ) { |
| 199 |
$this->sendError( __( 'Validation failed.', 'double-opt-in' ), $errors ); |
| 200 |
} |
| 201 |
|
| 202 |
/** |
| 203 |
* Filter to allow extensions (e.g., Pro version) to modify settings before saving. |
| 204 |
* |
| 205 |
* @param FormSettingsDTO $settings The settings DTO. |
| 206 |
* @param int $storageId The storage ID (post ID for settings). |
| 207 |
* @param array $settingsData The raw settings data from POST. |
| 208 |
* |
| 209 |
* @since 4.1.0 |
| 210 |
*/ |
| 211 |
$settings = apply_filters( 'f12_doi_form_settings_before_save', $settings, $storageId, $settingsData ); |
| 212 |
|
| 213 |
// Save using the storage ID (post ID for composite IDs) |
| 214 |
$result = $this->service->saveSettings( $storageId, $settings ); |
| 215 |
|
| 216 |
if ( ! $result ) { |
| 217 |
$this->sendError( __( 'Failed to save settings.', 'double-opt-in' ) ); |
| 218 |
} |
| 219 |
|
| 220 |
// Detect integration type from form ID format |
| 221 |
$integration = ''; |
| 222 |
if ( strpos( $formId, '_' ) !== false ) { |
| 223 |
$integration = 'elementor'; |
| 224 |
} |
| 225 |
|
| 226 |
/** |
| 227 |
* Action fired after form settings have been saved. |
| 228 |
* Allows extensions (e.g., Pro version) to save additional data. |
| 229 |
* |
| 230 |
* @param string $formId The form ID (can be composite for Elementor). |
| 231 |
* @param FormSettingsDTO $settings The settings DTO. |
| 232 |
* @param array $settingsData The raw settings data from POST. |
| 233 |
* @param string $integration The integration identifier (e.g., 'elementor'). |
| 234 |
* |
| 235 |
* @since 4.1.0 |
| 236 |
*/ |
| 237 |
do_action( 'f12_doi_form_settings_saved', $formId, $settings, $settingsData, $integration ); |
| 238 |
|
| 239 |
$this->logger->info( |
| 240 |
'Form settings saved via AJAX', |
| 241 |
array( |
| 242 |
'plugin' => 'double-opt-in', |
| 243 |
'form_id' => $formId, |
| 244 |
) |
| 245 |
); |
| 246 |
|
| 247 |
$this->sendSuccess( |
| 248 |
array( |
| 249 |
'message' => $autoDisabled |
| 250 |
? __( 'Settings saved. Double Opt-In was auto-disabled because the configuration is incomplete.', 'double-opt-in' ) |
| 251 |
: __( 'Settings saved successfully.', 'double-opt-in' ), |
| 252 |
'enabled' => $settings->enabled, |
| 253 |
'autoDisabled' => $autoDisabled, |
| 254 |
'missing' => array_values( $missingRequired ), |
| 255 |
) |
| 256 |
); |
| 257 |
} |
| 258 |
|
| 259 |
/** |
| 260 |
* Toggle the enabled state of a form. |
| 261 |
* |
| 262 |
* @return void |
| 263 |
*/ |
| 264 |
public function toggleForm(): void { |
| 265 |
$this->verifyNonce(); |
| 266 |
$this->checkCapability(); |
| 267 |
|
| 268 |
// Keep as string to support composite IDs (e.g., Elementor: "123_abc456") |
| 269 |
$formId = isset( $_POST['form_id'] ) ? sanitize_text_field( $_POST['form_id'] ) : ''; |
| 270 |
|
| 271 |
if ( empty( $formId ) ) { |
| 272 |
$this->sendError( __( 'Invalid form ID.', 'double-opt-in' ) ); |
| 273 |
} |
| 274 |
|
| 275 |
// For composite IDs, extract the post ID for storage |
| 276 |
$storageId = strpos( $formId, '_' ) !== false ? (int) explode( '_', $formId )[0] : (int) $formId; |
| 277 |
|
| 278 |
// Completeness-gate before toggle-to-enabled (plan §2.3). |
| 279 |
// Toggling-to-disabled is always allowed; toggling-to-enabled is |
| 280 |
// blocked when the config is incomplete. |
| 281 |
$currentSettings = $this->service->getSettings( $storageId ); |
| 282 |
if ( ! $currentSettings->enabled ) { |
| 283 |
$missing = $currentSettings->getMissingRequiredFields(); |
| 284 |
if ( ! empty( $missing ) ) { |
| 285 |
$this->sendIncompleteConfigError( $missing ); |
| 286 |
return; |
| 287 |
} |
| 288 |
} |
| 289 |
|
| 290 |
$newState = $this->service->toggleEnabled( $storageId ); |
| 291 |
|
| 292 |
// Detect integration type from form ID format |
| 293 |
$integration = ''; |
| 294 |
if ( strpos( $formId, '_' ) !== false ) { |
| 295 |
$integration = 'elementor'; |
| 296 |
} |
| 297 |
|
| 298 |
/** |
| 299 |
* Action fired after form DOI state has been toggled. |
| 300 |
* Allows extensions to sync the state with the form system (e.g., Elementor submit_actions). |
| 301 |
* |
| 302 |
* @param string $formId The form ID (can be composite for Elementor). |
| 303 |
* @param bool $enabled The new enabled state. |
| 304 |
* @param string $integration The integration identifier (e.g., 'elementor'). |
| 305 |
* |
| 306 |
* @since 4.1.0 |
| 307 |
*/ |
| 308 |
do_action( 'f12_doi_form_toggled', $formId, $newState, $integration ); |
| 309 |
|
| 310 |
$this->logger->info( |
| 311 |
'Form toggle via AJAX', |
| 312 |
array( |
| 313 |
'plugin' => 'double-opt-in', |
| 314 |
'form_id' => $formId, |
| 315 |
'storage_id' => $storageId, |
| 316 |
'enabled' => $newState, |
| 317 |
) |
| 318 |
); |
| 319 |
|
| 320 |
$this->sendSuccess( |
| 321 |
array( |
| 322 |
'enabled' => $newState, |
| 323 |
'message' => $newState |
| 324 |
? __( 'Double Opt-In enabled.', 'double-opt-in' ) |
| 325 |
: __( 'Double Opt-In disabled.', 'double-opt-in' ), |
| 326 |
) |
| 327 |
); |
| 328 |
} |
| 329 |
|
| 330 |
/** |
| 331 |
* Get all forms from all integrations. |
| 332 |
* |
| 333 |
* @return void |
| 334 |
*/ |
| 335 |
public function getAllForms(): void { |
| 336 |
$this->verifyNonce(); |
| 337 |
$this->checkCapability(); |
| 338 |
|
| 339 |
$forms = $this->service->getAllForms(); |
| 340 |
|
| 341 |
$this->sendSuccess( |
| 342 |
array( |
| 343 |
'forms' => $forms, |
| 344 |
) |
| 345 |
); |
| 346 |
} |
| 347 |
|
| 348 |
/** |
| 349 |
* Verify the AJAX nonce. |
| 350 |
* |
| 351 |
* @return void |
| 352 |
*/ |
| 353 |
private function verifyNonce(): void { |
| 354 |
if ( ! isset( $_POST['nonce'] ) || ! wp_verify_nonce( wp_unslash( $_POST['nonce'] ), 'doi_form_settings' ) ) { |
| 355 |
$this->logger->warning( |
| 356 |
'Nonce verification failed', |
| 357 |
array( |
| 358 |
'plugin' => 'double-opt-in', |
| 359 |
) |
| 360 |
); |
| 361 |
$this->sendError( __( 'Security check failed.', 'double-opt-in' ), array(), 403 ); |
| 362 |
} |
| 363 |
} |
| 364 |
|
| 365 |
/** |
| 366 |
* Check user capability. |
| 367 |
* |
| 368 |
* @return void |
| 369 |
*/ |
| 370 |
private function checkCapability(): void { |
| 371 |
if ( ! current_user_can( 'manage_options' ) ) { |
| 372 |
$this->logger->warning( |
| 373 |
'Unauthorized access attempt', |
| 374 |
array( |
| 375 |
'plugin' => 'double-opt-in', |
| 376 |
) |
| 377 |
); |
| 378 |
$this->sendError( __( 'You do not have permission to perform this action.', 'double-opt-in' ), array(), 403 ); |
| 379 |
} |
| 380 |
} |
| 381 |
|
| 382 |
/** |
| 383 |
* Send a success response. |
| 384 |
* |
| 385 |
* @param array $data The response data. |
| 386 |
* |
| 387 |
* @return void |
| 388 |
*/ |
| 389 |
private function sendSuccess( array $data ): void { |
| 390 |
wp_send_json_success( $data ); |
| 391 |
} |
| 392 |
|
| 393 |
/** |
| 394 |
* Send an error response. |
| 395 |
* |
| 396 |
* @param string $message The error message. |
| 397 |
* @param array $errors Additional error details. |
| 398 |
* @param int $statusCode HTTP status code. |
| 399 |
* |
| 400 |
* @return void |
| 401 |
*/ |
| 402 |
private function sendError( string $message, array $errors = array(), int $statusCode = 400 ): void { |
| 403 |
wp_send_json_error( |
| 404 |
array( |
| 405 |
'message' => $message, |
| 406 |
'errors' => $errors, |
| 407 |
), |
| 408 |
$statusCode |
| 409 |
); |
| 410 |
} |
| 411 |
|
| 412 |
/** |
| 413 |
* Send a structured INCOMPLETE_CONFIG error response for the |
| 414 |
* completeness-gate (plan/doi-completeness-gate.md §2.2 + §2.3). |
| 415 |
* |
| 416 |
* Distinct from {@see sendError()} because the React UI needs to |
| 417 |
* distinguish "this save was rejected because the form is missing |
| 418 |
* required fields" from "this save had a generic validation error" |
| 419 |
* — the former triggers the Toast + "open configuration" CTA from |
| 420 |
* §2.7, the latter falls through to inline field-level errors. |
| 421 |
* |
| 422 |
* Status 422 (Unprocessable Entity): the request was syntactically |
| 423 |
* valid but semantically incomplete. |
| 424 |
* |
| 425 |
* @param array<int,string> $missing Stable required-field IDs |
| 426 |
* ('recipient', 'subject', |
| 427 |
* 'body_or_template', addon-contributed). |
| 428 |
*/ |
| 429 |
private function sendIncompleteConfigError( array $missing ): void { |
| 430 |
wp_send_json_error( |
| 431 |
array( |
| 432 |
'code' => 'INCOMPLETE_CONFIG', |
| 433 |
'message' => __( |
| 434 |
'Cannot enable Double Opt-In: configuration is incomplete. Please fill in all required fields first.', |
| 435 |
'double-opt-in' |
| 436 |
), |
| 437 |
'missing' => array_values( $missing ), |
| 438 |
), |
| 439 |
422 |
| 440 |
); |
| 441 |
} |
| 442 |
} |
| 443 |
|