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OnboardingJourney.php
531 lines
| 1 | <?php |
| 2 | |
| 3 | namespace WPStaging\Framework\Onboarding; |
| 4 | |
| 5 | use WPStaging\Core\WPStaging; |
| 6 | use WPStaging\Framework\Analytics\Actions\AnalyticsGenericEvent; |
| 7 | use WPStaging\Framework\Security\Auth; |
| 8 | |
| 9 | /** |
| 10 | * The lifecycle of a first run, in options so it survives reloads and job hooks. |
| 11 | * |
| 12 | * Picking a card is not finishing: only completeOnExplicitExit() and a second |
| 13 | * completed capability end it. |
| 14 | */ |
| 15 | class OnboardingJourney |
| 16 | { |
| 17 | const OPTION_STATE = 'wpstg_onboarding_journey'; |
| 18 | |
| 19 | /** Holds the completion reason; its presence ends the first run. */ |
| 20 | const OPTION_COMPLETED = 'wpstg_onboarding_completed'; |
| 21 | |
| 22 | /** |
| 23 | * Set by the footer's restart link. An admin asking for the first run back |
| 24 | * has said what the eligibility rules are there to infer, so it overrides |
| 25 | * them — otherwise a site that already has a staging site could never |
| 26 | * replay the journey it just finished. |
| 27 | */ |
| 28 | const OPTION_RESTARTED = 'wpstg_onboarding_restarted'; |
| 29 | |
| 30 | const STEP_SELECT = 'select'; |
| 31 | const STEP_RUNNING = 'running'; |
| 32 | const STEP_NEXT = 'next'; |
| 33 | const STEP_DONE = 'done'; |
| 34 | |
| 35 | const POSITION_FIRST = 'first'; |
| 36 | const POSITION_SECOND = 'second'; |
| 37 | |
| 38 | const CAPABILITY_STAGING = 'staging'; |
| 39 | const CAPABILITY_BACKUP = 'backup'; |
| 40 | const CAPABILITIES = [self::CAPABILITY_STAGING, self::CAPABILITY_BACKUP]; |
| 41 | |
| 42 | const REASON_SKIPPED_INITIAL = 'skipped_initial'; |
| 43 | const REASON_DONE_AFTER_FIRST = 'done_after_first_capability'; |
| 44 | const REASON_TWO_CAPABILITIES = 'two_capabilities_completed'; |
| 45 | const REASON_OTHER_EXPLICIT_EXIT = 'other_explicit_exit'; |
| 46 | |
| 47 | /** The state that follows the first success. */ |
| 48 | const SURFACE_POST_SUCCESS = 'post_success'; |
| 49 | |
| 50 | /** The offer that rides along with the staging progress modal. */ |
| 51 | const SURFACE_STAGING_PROGRESS = 'staging_progress'; |
| 52 | |
| 53 | const EVENT_ACTION_STARTED = 'onboarding_action_started'; |
| 54 | const EVENT_ACTION_COMPLETED = 'onboarding_action_completed'; |
| 55 | const EVENT_ACTION_CANCELLED = 'onboarding_action_cancelled'; |
| 56 | const EVENT_NEXT_OFFER_SHOWN = 'onboarding_next_offer_shown'; |
| 57 | const EVENT_COMPLETED = 'onboarding_completed'; |
| 58 | |
| 59 | /** Past this, a job that stopped reporting no longer holds focus mode. */ |
| 60 | const MAX_RUNNING_AGE_IN_SECONDS = DAY_IN_SECONDS; |
| 61 | |
| 62 | /** @var array|null */ |
| 63 | private $state = null; |
| 64 | |
| 65 | /** @var string|null */ |
| 66 | private $completionReason = null; |
| 67 | |
| 68 | /** |
| 69 | * @return string One of the STEP_* constants. |
| 70 | */ |
| 71 | public function getStep(): string |
| 72 | { |
| 73 | if ($this->isCompleted()) { |
| 74 | return self::STEP_DONE; |
| 75 | } |
| 76 | |
| 77 | if ($this->getAction(self::POSITION_FIRST) === '') { |
| 78 | return self::STEP_SELECT; |
| 79 | } |
| 80 | |
| 81 | return $this->activePosition() === '' ? self::STEP_NEXT : self::STEP_RUNNING; |
| 82 | } |
| 83 | |
| 84 | /** |
| 85 | * @param string $position POSITION_FIRST or POSITION_SECOND. |
| 86 | * @return string The capability chosen for that position, or an empty string. |
| 87 | */ |
| 88 | public function getAction(string $position): string |
| 89 | { |
| 90 | return $this->read($position, 'action'); |
| 91 | } |
| 92 | |
| 93 | /** |
| 94 | * @return string The capability the user did not start with, or empty. |
| 95 | */ |
| 96 | public function getNextCapability(): string |
| 97 | { |
| 98 | $first = $this->getAction(self::POSITION_FIRST); |
| 99 | |
| 100 | if ($first === '') { |
| 101 | return ''; |
| 102 | } |
| 103 | |
| 104 | return $first === self::CAPABILITY_BACKUP ? self::CAPABILITY_STAGING : self::CAPABILITY_BACKUP; |
| 105 | } |
| 106 | |
| 107 | /** |
| 108 | * @return string The capability the journey is on, started or not. What |
| 109 | * decides which surface to render. |
| 110 | */ |
| 111 | public function getActiveCapability(): string |
| 112 | { |
| 113 | return $this->getAction($this->activePosition()); |
| 114 | } |
| 115 | |
| 116 | /** |
| 117 | * @return string The capability with a job in flight. What decides the |
| 118 | * wording, so configuring one does not read as progress. |
| 119 | */ |
| 120 | public function getRunningCapability(): string |
| 121 | { |
| 122 | $position = $this->activePosition(); |
| 123 | |
| 124 | return $this->read($position, 'started_at') === '' ? '' : $this->getAction($position); |
| 125 | } |
| 126 | |
| 127 | /** |
| 128 | * Whether a first run is in progress. The deferred-backup queue is shared |
| 129 | * with ordinary staging jobs, so its endpoint has to ask before writing any |
| 130 | * journey state. |
| 131 | */ |
| 132 | public function isUnderWay(): bool |
| 133 | { |
| 134 | return !$this->isCompleted() && $this->getAction(self::POSITION_FIRST) !== ''; |
| 135 | } |
| 136 | |
| 137 | public function isFirstCapabilityCompleted(): bool |
| 138 | { |
| 139 | return $this->hasSucceeded(self::POSITION_FIRST); |
| 140 | } |
| 141 | |
| 142 | /** |
| 143 | * @param string $capability CAPABILITY_STAGING or CAPABILITY_BACKUP. |
| 144 | * @return string The position it was recorded as, or empty when untracked. |
| 145 | */ |
| 146 | public function selectAction(string $capability): string |
| 147 | { |
| 148 | if (!in_array($capability, self::CAPABILITIES, true) || $this->isCompleted()) { |
| 149 | return ''; |
| 150 | } |
| 151 | |
| 152 | $position = $this->positionFor($capability); |
| 153 | |
| 154 | if ($this->getAction($position) === '') { |
| 155 | $this->stamp($position, 'selected_at', ['action' => $capability]); |
| 156 | } |
| 157 | |
| 158 | return $position; |
| 159 | } |
| 160 | |
| 161 | public function startAction() |
| 162 | { |
| 163 | $position = $this->activePosition(); |
| 164 | |
| 165 | if ($position === '' || $this->read($position, 'started_at') !== '') { |
| 166 | return; |
| 167 | } |
| 168 | |
| 169 | $this->stamp($position, 'started_at'); |
| 170 | $this->logStep(self::EVENT_ACTION_STARTED, $position); |
| 171 | } |
| 172 | |
| 173 | /** |
| 174 | * @action wpstg_staging_site_created |
| 175 | */ |
| 176 | public function completeStaging() |
| 177 | { |
| 178 | $this->completeCapability(self::CAPABILITY_STAGING); |
| 179 | } |
| 180 | |
| 181 | /** |
| 182 | * The hook hands over the job it finished, which is the only place the file |
| 183 | * it wrote is known without asking for it again. Recorded on the journey so |
| 184 | * the success state can name it, and still name it after a reload. |
| 185 | * |
| 186 | * @action wpstg.backup.created |
| 187 | * @param mixed $jobDataDto |
| 188 | */ |
| 189 | public function completeBackup($jobDataDto = null) |
| 190 | { |
| 191 | $position = $this->activePosition(); |
| 192 | |
| 193 | $this->completeCapability(self::CAPABILITY_BACKUP); |
| 194 | |
| 195 | if ($position === '' || !is_object($jobDataDto) || !method_exists($jobDataDto, 'getBackupFilePath')) { |
| 196 | return; |
| 197 | } |
| 198 | |
| 199 | $path = (string)$jobDataDto->getBackupFilePath(); |
| 200 | |
| 201 | if ($path === '' || !is_readable($path)) { |
| 202 | return; |
| 203 | } |
| 204 | |
| 205 | $state = $this->readState(); |
| 206 | $state[$position]['backup_file'] = basename($path); |
| 207 | $state[$position]['backup_size'] = (int)filesize($path); |
| 208 | |
| 209 | $this->write($state); |
| 210 | } |
| 211 | |
| 212 | /** |
| 213 | * @return array `name` and `size` of the backup this run created, empty when |
| 214 | * none was recorded. |
| 215 | */ |
| 216 | public function getCompletedBackupDetails(): array |
| 217 | { |
| 218 | foreach ([self::POSITION_FIRST, self::POSITION_SECOND] as $position) { |
| 219 | $name = $this->read($position, 'backup_file'); |
| 220 | |
| 221 | if ($name !== '') { |
| 222 | return ['name' => $name, 'size' => (int)$this->read($position, 'backup_size')]; |
| 223 | } |
| 224 | } |
| 225 | |
| 226 | return []; |
| 227 | } |
| 228 | |
| 229 | /** |
| 230 | * Counts a success against the outstanding capability. Not gated on the |
| 231 | * start being reported: a dropped request must not lose a real completion. |
| 232 | * |
| 233 | * @param string $capability CAPABILITY_STAGING or CAPABILITY_BACKUP. |
| 234 | */ |
| 235 | public function completeCapability(string $capability) |
| 236 | { |
| 237 | $position = $this->activePosition(); |
| 238 | |
| 239 | if ($position === '' || $this->getAction($position) !== $capability) { |
| 240 | return; |
| 241 | } |
| 242 | |
| 243 | $this->stamp($position, 'completed_at'); |
| 244 | $this->logStep(self::EVENT_ACTION_COMPLETED, $position); |
| 245 | |
| 246 | if ($position === self::POSITION_SECOND) { |
| 247 | $this->complete(self::REASON_TWO_CAPABILITIES); |
| 248 | } |
| 249 | } |
| 250 | |
| 251 | /** |
| 252 | * Takes back the capability the user just cancelled, started or not. |
| 253 | * |
| 254 | * cancelAction() refuses once a job has begun, because a request that was |
| 255 | * dropped in flight is not the same as one never made. A cancel is: the user |
| 256 | * said no to this capability, and the run has to offer the choice again |
| 257 | * rather than hold the screen with a job that is no longer running. |
| 258 | * |
| 259 | * @action wpstg_cancel_clone |
| 260 | * @action wpstg--job--cancel |
| 261 | * |
| 262 | * @return void |
| 263 | */ |
| 264 | public function abandonActionOnRequest() |
| 265 | { |
| 266 | if (!WPStaging::make(Auth::class)->isAuthenticatedRequest('', 'manage_options')) { |
| 267 | return; |
| 268 | } |
| 269 | |
| 270 | $this->abandonAction(); |
| 271 | } |
| 272 | |
| 273 | public function abandonAction() |
| 274 | { |
| 275 | $position = $this->activePosition(); |
| 276 | |
| 277 | if ($position === '' || $this->isCompleted()) { |
| 278 | return; |
| 279 | } |
| 280 | |
| 281 | $this->logStep(self::EVENT_ACTION_CANCELLED, $position); |
| 282 | $this->forget($position); |
| 283 | } |
| 284 | |
| 285 | /** |
| 286 | * Takes back a capability whose job never started, so backing out of the |
| 287 | * settings dialog returns to the step the user chose it from. |
| 288 | */ |
| 289 | public function cancelAction() |
| 290 | { |
| 291 | $position = $this->activePosition(); |
| 292 | |
| 293 | if ($position === '' || $this->read($position, 'started_at') !== '') { |
| 294 | return; |
| 295 | } |
| 296 | |
| 297 | $this->forget($position); |
| 298 | } |
| 299 | |
| 300 | /** |
| 301 | * Puts a second capability that will not succeed back on offer. The first is |
| 302 | * left alone: the user is in front of its own error and retry. |
| 303 | */ |
| 304 | public function cancelSecondAction() |
| 305 | { |
| 306 | if ($this->getAction(self::POSITION_SECOND) === '' || $this->hasSucceeded(self::POSITION_SECOND)) { |
| 307 | return; |
| 308 | } |
| 309 | |
| 310 | $this->forget(self::POSITION_SECOND); |
| 311 | } |
| 312 | |
| 313 | /** |
| 314 | * Reports the second capability being put in front of the user, once per |
| 315 | * surface. Both surfaces report through here so the event means the same |
| 316 | * thing however it is counted. |
| 317 | * |
| 318 | * @param string $surface SURFACE_POST_SUCCESS or SURFACE_STAGING_PROGRESS. |
| 319 | */ |
| 320 | public function recordNextOfferShown(string $surface = self::SURFACE_POST_SUCCESS) |
| 321 | { |
| 322 | $capability = $this->getNextCapability(); |
| 323 | $stamp = $surface === self::SURFACE_STAGING_PROGRESS ? 'offered_progress_at' : 'offered_at'; |
| 324 | |
| 325 | if ($capability === '' || $this->read(self::POSITION_SECOND, $stamp) !== '') { |
| 326 | return; |
| 327 | } |
| 328 | |
| 329 | $this->stamp(self::POSITION_SECOND, $stamp); |
| 330 | |
| 331 | AnalyticsGenericEvent::logEvent(self::EVENT_NEXT_OFFER_SHOWN, FreeOnboarding::ANALYTICS_GROUP, [ |
| 332 | 'action' => $capability, |
| 333 | 'surface' => $surface, |
| 334 | ]); |
| 335 | } |
| 336 | |
| 337 | /** |
| 338 | * Ends the first run, naming the reason from where the user was standing. |
| 339 | */ |
| 340 | public function completeOnExplicitExit() |
| 341 | { |
| 342 | $reasons = [ |
| 343 | self::STEP_SELECT => self::REASON_SKIPPED_INITIAL, |
| 344 | self::STEP_NEXT => self::REASON_DONE_AFTER_FIRST, |
| 345 | ]; |
| 346 | |
| 347 | $step = $this->getStep(); |
| 348 | |
| 349 | $this->complete(isset($reasons[$step]) ? $reasons[$step] : self::REASON_OTHER_EXPLICIT_EXIT); |
| 350 | } |
| 351 | |
| 352 | /** |
| 353 | * @param string $reason One of the REASON_* constants. |
| 354 | */ |
| 355 | public function complete(string $reason) |
| 356 | { |
| 357 | if ($this->isCompleted()) { |
| 358 | return; |
| 359 | } |
| 360 | |
| 361 | AnalyticsGenericEvent::logEvent(self::EVENT_COMPLETED, FreeOnboarding::ANALYTICS_GROUP, [ |
| 362 | 'reason' => $reason, |
| 363 | 'first_action' => $this->getAction(self::POSITION_FIRST), |
| 364 | 'second_action' => $this->getAction(self::POSITION_SECOND), |
| 365 | ]); |
| 366 | |
| 367 | update_option(self::OPTION_COMPLETED, $reason, false); |
| 368 | $this->completionReason = $reason; |
| 369 | |
| 370 | delete_option(self::OPTION_STATE); |
| 371 | delete_option(self::OPTION_RESTARTED); |
| 372 | delete_option(QueuedBackup::OPTION_STATE); |
| 373 | $this->state = null; |
| 374 | } |
| 375 | |
| 376 | public function isCompleted(): bool |
| 377 | { |
| 378 | return $this->getCompletionReason() !== ''; |
| 379 | } |
| 380 | |
| 381 | /** |
| 382 | * Puts the installation back on the three-card selector. |
| 383 | */ |
| 384 | public function restart() |
| 385 | { |
| 386 | delete_option(self::OPTION_COMPLETED); |
| 387 | delete_option(self::OPTION_STATE); |
| 388 | delete_option(FreeOnboarding::OPTION_EXPOSURE); |
| 389 | delete_option(QueuedBackup::OPTION_STATE); |
| 390 | update_option(self::OPTION_RESTARTED, (string)time(), false); |
| 391 | |
| 392 | $this->state = null; |
| 393 | $this->completionReason = null; |
| 394 | } |
| 395 | |
| 396 | public function wasRestarted(): bool |
| 397 | { |
| 398 | return get_option(self::OPTION_RESTARTED) !== false; |
| 399 | } |
| 400 | |
| 401 | /** |
| 402 | * @return string One of the REASON_* constants, or an empty string while the |
| 403 | * first run is still going. |
| 404 | */ |
| 405 | public function getCompletionReason(): string |
| 406 | { |
| 407 | if ($this->completionReason === null) { |
| 408 | $this->completionReason = (string)get_option(self::OPTION_COMPLETED, ''); |
| 409 | } |
| 410 | |
| 411 | return $this->completionReason; |
| 412 | } |
| 413 | |
| 414 | private function hasSucceeded(string $position): bool |
| 415 | { |
| 416 | return $this->read($position, 'completed_at') !== ''; |
| 417 | } |
| 418 | |
| 419 | /** |
| 420 | * @return string The position still waiting for its success, or an empty string. |
| 421 | */ |
| 422 | private function activePosition(): string |
| 423 | { |
| 424 | foreach ([self::POSITION_FIRST, self::POSITION_SECOND] as $position) { |
| 425 | if ($this->getAction($position) !== '' && !$this->hasSucceeded($position)) { |
| 426 | return $position; |
| 427 | } |
| 428 | } |
| 429 | |
| 430 | return ''; |
| 431 | } |
| 432 | |
| 433 | /** |
| 434 | * @return string Where this capability belongs, so that re-picking the one |
| 435 | * already in flight does not open a second slot. |
| 436 | */ |
| 437 | private function positionFor(string $capability): string |
| 438 | { |
| 439 | $first = $this->getAction(self::POSITION_FIRST); |
| 440 | |
| 441 | return ($first === '' || $first === $capability) ? self::POSITION_FIRST : self::POSITION_SECOND; |
| 442 | } |
| 443 | |
| 444 | private function logStep(string $event, string $position) |
| 445 | { |
| 446 | AnalyticsGenericEvent::logEvent($event, FreeOnboarding::ANALYTICS_GROUP, [ |
| 447 | 'action' => $this->getAction($position), |
| 448 | 'position' => $position, |
| 449 | ]); |
| 450 | } |
| 451 | |
| 452 | private function stamp(string $position, string $key, array $extra = []) |
| 453 | { |
| 454 | $state = $this->readState(); |
| 455 | $state[$position] = array_merge($state[$position], [$key => time()], $extra); |
| 456 | |
| 457 | $this->write($state); |
| 458 | } |
| 459 | |
| 460 | private function forget(string $position) |
| 461 | { |
| 462 | $state = $this->readState(); |
| 463 | $state[$position] = []; |
| 464 | |
| 465 | $this->write($state); |
| 466 | } |
| 467 | |
| 468 | private function write(array $state) |
| 469 | { |
| 470 | $this->state = $state; |
| 471 | update_option(self::OPTION_STATE, $state, false); |
| 472 | } |
| 473 | |
| 474 | /** |
| 475 | * Self-healing rather than pure, like QueuedBackup: the state is only read |
| 476 | * on a page render or a job hook, and neither has anywhere else to notice |
| 477 | * that a job stopped reporting. |
| 478 | */ |
| 479 | private function dropStaleAction() |
| 480 | { |
| 481 | foreach ([self::POSITION_FIRST, self::POSITION_SECOND] as $position) { |
| 482 | $startedAt = empty($this->state[$position]['started_at']) ? 0 : (int)$this->state[$position]['started_at']; |
| 483 | |
| 484 | if ($startedAt === 0 || !empty($this->state[$position]['completed_at'])) { |
| 485 | continue; |
| 486 | } |
| 487 | |
| 488 | if ($startedAt < time() - self::MAX_RUNNING_AGE_IN_SECONDS) { |
| 489 | $this->state[$position] = []; |
| 490 | update_option(self::OPTION_STATE, $this->state, false); |
| 491 | } |
| 492 | } |
| 493 | } |
| 494 | |
| 495 | /** |
| 496 | * @return string Empty when unset, so callers can test presence with `!== ''`. |
| 497 | */ |
| 498 | private function read(string $position, string $key): string |
| 499 | { |
| 500 | $state = $this->readState(); |
| 501 | |
| 502 | return empty($state[$position][$key]) ? '' : (string)$state[$position][$key]; |
| 503 | } |
| 504 | |
| 505 | /** |
| 506 | * @return array Both positions always present, so writers never guard for shape. |
| 507 | */ |
| 508 | private function readState(): array |
| 509 | { |
| 510 | if ($this->state !== null) { |
| 511 | return $this->state; |
| 512 | } |
| 513 | |
| 514 | // A finished run has no state. Ending it deletes the record, but a delete |
| 515 | // is not the only thing that decides the answer: a request still holding |
| 516 | // the old state can write it back afterwards, and the run would then be |
| 517 | // both over and half-way through — which is a screen nobody can leave. |
| 518 | $stored = $this->isCompleted() ? [] : get_option(self::OPTION_STATE, []); |
| 519 | $stored = is_array($stored) ? $stored : []; |
| 520 | $this->state = []; |
| 521 | |
| 522 | foreach ([self::POSITION_FIRST, self::POSITION_SECOND] as $position) { |
| 523 | $this->state[$position] = isset($stored[$position]) && is_array($stored[$position]) ? $stored[$position] : []; |
| 524 | } |
| 525 | |
| 526 | $this->dropStaleAction(); |
| 527 | |
| 528 | return $this->state; |
| 529 | } |
| 530 | } |
| 531 |