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| 1 | <?php |
| 2 | |
| 3 | namespace BuyerKiosk\ComebackCash\Services; |
| 4 | |
| 5 | use PDO; |
| 6 | use DateTime; |
| 7 | use InvalidArgumentException; |
| 8 | use BuyerKiosk\ComebackCash\Models\Event; |
| 9 | |
| 10 | /** |
| 11 | * EventService - Manages Comeback Cash event lifecycle and CRUD operations |
| 12 | * |
| 13 | * Business Rules Enforced: |
| 14 | * - Rule 1 & 2: Only one active event per side (buy/sales) |
| 15 | * - Rule 3: Earning period must end before or when redemption period starts |
| 16 | * - Rule 16: Buy-side events use flat earning type ONLY |
| 17 | * |
| 18 | * Lifecycle Transitions: |
| 19 | * - draft -> active (manual activation) |
| 20 | * - draft -> scheduled (set start date for future activation) |
| 21 | * - draft -> cancelled |
| 22 | * - scheduled -> active (manual or automatic at start_date) |
| 23 | * - active -> ended (manual or automatic at end_date) |
| 24 | * |
| 25 | * @package BuyerKiosk\ComebackCash\Services |
| 26 | */ |
| 27 | class EventService |
| 28 | { |
| 29 | private PDO $db; |
| 30 | |
| 31 | /** |
| 32 | * Valid sides for events |
| 33 | */ |
| 34 | private const VALID_SIDES = [Event::SIDE_BUY, Event::SIDE_SALES]; |
| 35 | |
| 36 | /** |
| 37 | * Valid status transitions map |
| 38 | * Key: current status, Value: array of allowed target statuses |
| 39 | */ |
| 40 | private const VALID_TRANSITIONS = [ |
| 41 | Event::STATUS_DRAFT => [Event::STATUS_ACTIVE, Event::STATUS_SCHEDULED, Event::STATUS_CANCELLED], |
| 42 | Event::STATUS_SCHEDULED => [Event::STATUS_ACTIVE, Event::STATUS_CANCELLED], |
| 43 | Event::STATUS_ACTIVE => [Event::STATUS_ENDED], |
| 44 | Event::STATUS_ENDED => [], |
| 45 | Event::STATUS_CANCELLED => [], |
| 46 | ]; |
| 47 | |
| 48 | /** |
| 49 | * Constructor |
| 50 | * |
| 51 | * @param PDO $db Database connection |
| 52 | */ |
| 53 | public function __construct(PDO $db) |
| 54 | { |
| 55 | $this->db = $db; |
| 56 | } |
| 57 | |
| 58 | // ========================================================================= |
| 59 | // CRUD OPERATIONS |
| 60 | // ========================================================================= |
| 61 | |
| 62 | /** |
| 63 | * Create a new Comeback Cash event |
| 64 | * |
| 65 | * @param array $data Event data with keys matching Event model properties |
| 66 | * @return array ['id' => int] on success |
| 67 | * @throws InvalidArgumentException on validation failure |
| 68 | */ |
| 69 | public function createEvent(array $data): array |
| 70 | { |
| 71 | // Build Event object from data for validation |
| 72 | $event = $this->hydrateEventFromData($data); |
| 73 | |
| 74 | // If creating as active, check for conflicts FIRST (before other validation) |
| 75 | // This ensures we report conflict errors before other validation errors |
| 76 | if ($event->status === Event::STATUS_ACTIVE) { |
| 77 | $this->checkForActiveConflict($event->side); |
| 78 | } |
| 79 | |
| 80 | // Validate the event configuration |
| 81 | // Note: Date sequence validation (Rule 3: earning must end before redemption starts) |
| 82 | // is enforced during activation to allow draft events with incomplete date configs |
| 83 | $this->validateEventData($event, $data, false); |
| 84 | |
| 85 | // Insert into database |
| 86 | $sql = "INSERT INTO ccEvents ( |
| 87 | name, side, status, start_date, end_date, |
| 88 | earning_type, earning_tiers, earning_flat_amount, earning_percentage, |
| 89 | min_purchase_to_earn, redemption_min_purchase, redemption_start_date, redemption_end_date, |
| 90 | redemption_days_valid, allow_double_up, refund_policy, sms_enabled, |
| 91 | created_by, created_at, updated_at |
| 92 | ) VALUES ( |
| 93 | :name, :side, :status, :start_date, :end_date, |
| 94 | :earning_type, :earning_tiers, :earning_flat_amount, :earning_percentage, |
| 95 | :min_purchase_to_earn, :redemption_min_purchase, :redemption_start_date, :redemption_end_date, |
| 96 | :redemption_days_valid, :allow_double_up, :refund_policy, :sms_enabled, |
| 97 | :created_by, NOW(), NOW() |
| 98 | )"; |
| 99 | |
| 100 | $stmt = $this->db->prepare($sql); |
| 101 | $stmt->execute([ |
| 102 | ':name' => $event->name, |
| 103 | ':side' => $event->side, |
| 104 | ':status' => $event->status, |
| 105 | ':start_date' => $event->startDate?->format('Y-m-d H:i:s'), |
| 106 | ':end_date' => $event->endDate?->format('Y-m-d H:i:s'), |
| 107 | ':earning_type' => $event->earningType, |
| 108 | ':earning_tiers' => $event->earningTiers ? json_encode($event->earningTiers) : null, |
| 109 | ':earning_flat_amount' => $event->earningFlatAmount, |
| 110 | ':earning_percentage' => $event->earningPercentage, |
| 111 | ':min_purchase_to_earn' => $event->minPurchaseToEarn, |
| 112 | ':redemption_min_purchase' => $event->redemptionMinPurchase, |
| 113 | ':redemption_start_date' => $event->redemptionStartDate?->format('Y-m-d H:i:s'), |
| 114 | ':redemption_end_date' => $event->redemptionEndDate?->format('Y-m-d H:i:s'), |
| 115 | ':redemption_days_valid' => $event->redemptionDaysValid, |
| 116 | ':allow_double_up' => $event->allowDoubleUp ? 1 : 0, |
| 117 | ':refund_policy' => $event->refundPolicy, |
| 118 | ':sms_enabled' => $event->smsEnabled ? 1 : 0, |
| 119 | ':created_by' => $event->createdBy ?? 0, |
| 120 | ]); |
| 121 | |
| 122 | $id = (int) $this->db->lastInsertId(); |
| 123 | |
| 124 | return ['id' => $id]; |
| 125 | } |
| 126 | |
| 127 | /** |
| 128 | * Get a single event by ID |
| 129 | * |
| 130 | * @param int $id Event ID |
| 131 | * @return Event|null Event object or null if not found |
| 132 | */ |
| 133 | public function getEvent(int $id): ?Event |
| 134 | { |
| 135 | $sql = "SELECT * FROM ccEvents WHERE id = :id LIMIT 1"; |
| 136 | $stmt = $this->db->prepare($sql); |
| 137 | $stmt->execute([':id' => $id]); |
| 138 | $row = $stmt->fetch(PDO::FETCH_ASSOC); |
| 139 | |
| 140 | if (!$row) { |
| 141 | return null; |
| 142 | } |
| 143 | |
| 144 | return Event::fromRow($row); |
| 145 | } |
| 146 | |
| 147 | /** |
| 148 | * Update an existing event |
| 149 | * |
| 150 | * @param int $id Event ID |
| 151 | * @param array $data Fields to update |
| 152 | * @return array ['success' => bool, 'event' => ?Event] |
| 153 | * @throws InvalidArgumentException on validation failure |
| 154 | */ |
| 155 | public function updateEvent(int $id, array $data): array |
| 156 | { |
| 157 | // Get existing event |
| 158 | $existingEvent = $this->getEvent($id); |
| 159 | if (!$existingEvent) { |
| 160 | throw new InvalidArgumentException('Event not found'); |
| 161 | } |
| 162 | |
| 163 | // Merge existing data with updates |
| 164 | $mergedData = $this->mergeEventData($existingEvent, $data); |
| 165 | |
| 166 | // Build Event object for validation |
| 167 | $event = $this->hydrateEventFromData($mergedData); |
| 168 | $event->id = $id; |
| 169 | |
| 170 | // Validate the merged configuration (date sequence validation is deferred to activation) |
| 171 | $this->validateEventData($event, $mergedData, false); |
| 172 | |
| 173 | // Build dynamic UPDATE query based on provided fields |
| 174 | $allowedFields = [ |
| 175 | 'name', 'side', 'status', 'startDate', 'endDate', |
| 176 | 'earningType', 'earningTiers', 'earningFlatAmount', 'earningPercentage', |
| 177 | 'minPurchaseToEarn', 'redemptionMinPurchase', 'redemptionStartDate', 'redemptionEndDate', |
| 178 | 'redemptionDaysValid', 'allowDoubleUp', 'refundPolicy', 'smsEnabled', |
| 179 | ]; |
| 180 | |
| 181 | $setClauses = []; |
| 182 | $params = [':id' => $id]; |
| 183 | |
| 184 | foreach ($allowedFields as $field) { |
| 185 | if (array_key_exists($field, $data)) { |
| 186 | $dbColumn = $this->camelToSnake($field); |
| 187 | $value = $this->formatValueForDb($field, $data[$field]); |
| 188 | $setClauses[] = "`{$dbColumn}` = :{$field}"; |
| 189 | $params[":{$field}"] = $value; |
| 190 | } |
| 191 | } |
| 192 | |
| 193 | if (empty($setClauses)) { |
| 194 | // Nothing to update |
| 195 | return ['success' => true, 'event' => $existingEvent]; |
| 196 | } |
| 197 | |
| 198 | $setClauses[] = "updated_at = NOW()"; |
| 199 | $sql = "UPDATE ccEvents SET " . implode(', ', $setClauses) . " WHERE id = :id"; |
| 200 | |
| 201 | $stmt = $this->db->prepare($sql); |
| 202 | $stmt->execute($params); |
| 203 | |
| 204 | return ['success' => true, 'event' => $this->getEvent($id)]; |
| 205 | } |
| 206 | |
| 207 | /** |
| 208 | * Delete an event (only draft events can be deleted) |
| 209 | * |
| 210 | * @param int $id Event ID |
| 211 | * @return bool True if deleted |
| 212 | * @throws InvalidArgumentException if event cannot be deleted |
| 213 | */ |
| 214 | public function deleteEvent(int $id): bool |
| 215 | { |
| 216 | $event = $this->getEvent($id); |
| 217 | |
| 218 | if (!$event) { |
| 219 | throw new InvalidArgumentException('Event not found'); |
| 220 | } |
| 221 | |
| 222 | if ($event->status !== Event::STATUS_DRAFT) { |
| 223 | throw new InvalidArgumentException('Only draft events can be deleted'); |
| 224 | } |
| 225 | |
| 226 | $sql = "DELETE FROM ccEvents WHERE id = :id AND status = 'draft'"; |
| 227 | $stmt = $this->db->prepare($sql); |
| 228 | $stmt->execute([':id' => $id]); |
| 229 | |
| 230 | return $stmt->rowCount() > 0; |
| 231 | } |
| 232 | |
| 233 | /** |
| 234 | * List events with optional filters |
| 235 | * |
| 236 | * @param array $filters Optional filters: 'status', 'side' |
| 237 | * @return Event[] Array of Event objects |
| 238 | */ |
| 239 | public function listEvents(array $filters = []): array |
| 240 | { |
| 241 | $sql = "SELECT * FROM ccEvents WHERE 1=1"; |
| 242 | $params = []; |
| 243 | |
| 244 | if (!empty($filters['status'])) { |
| 245 | $sql .= " AND status = :status"; |
| 246 | $params[':status'] = $filters['status']; |
| 247 | } |
| 248 | |
| 249 | if (!empty($filters['side'])) { |
| 250 | $sql .= " AND side = :side"; |
| 251 | $params[':side'] = $filters['side']; |
| 252 | } |
| 253 | |
| 254 | $sql .= " ORDER BY created_at DESC"; |
| 255 | |
| 256 | $stmt = $this->db->prepare($sql); |
| 257 | $stmt->execute($params); |
| 258 | |
| 259 | $events = []; |
| 260 | while ($row = $stmt->fetch(PDO::FETCH_ASSOC)) { |
| 261 | $events[] = Event::fromRow($row); |
| 262 | } |
| 263 | |
| 264 | return $events; |
| 265 | } |
| 266 | |
| 267 | // ========================================================================= |
| 268 | // ACTIVE EVENT RETRIEVAL |
| 269 | // ========================================================================= |
| 270 | |
| 271 | /** |
| 272 | * Get the currently active event for a specific side |
| 273 | * |
| 274 | * @param string $side 'buy' or 'sales' |
| 275 | * @return Event|null Active event or null if none |
| 276 | * @throws InvalidArgumentException if invalid side |
| 277 | */ |
| 278 | public function getActiveEvent(string $side): ?Event |
| 279 | { |
| 280 | if (!in_array($side, self::VALID_SIDES)) { |
| 281 | throw new InvalidArgumentException('Invalid event side'); |
| 282 | } |
| 283 | |
| 284 | $sql = "SELECT * FROM ccEvents WHERE side = :side AND status = 'active' LIMIT 1"; |
| 285 | $stmt = $this->db->prepare($sql); |
| 286 | $stmt->execute([':side' => $side]); |
| 287 | $row = $stmt->fetch(PDO::FETCH_ASSOC); |
| 288 | |
| 289 | if (!$row) { |
| 290 | return null; |
| 291 | } |
| 292 | |
| 293 | return Event::fromRow($row); |
| 294 | } |
| 295 | |
| 296 | /** |
| 297 | * Get the currently active event for a specific side |
| 298 | * |
| 299 | * Alias for getActiveEvent() for consistent naming across services. |
| 300 | * |
| 301 | * @param string $side 'buy' or 'sales' |
| 302 | * @return Event|null Active event or null if none |
| 303 | * @throws InvalidArgumentException if invalid side |
| 304 | */ |
| 305 | public function getActiveEventBySide(string $side): ?Event |
| 306 | { |
| 307 | return $this->getActiveEvent($side); |
| 308 | } |
| 309 | |
| 310 | /** |
| 311 | * Get all currently active events (one per side maximum) |
| 312 | * |
| 313 | * @return Event[] Array of active events |
| 314 | */ |
| 315 | public function getActiveEvents(): array |
| 316 | { |
| 317 | $sql = "SELECT * FROM ccEvents WHERE status = 'active' ORDER BY side"; |
| 318 | $stmt = $this->db->prepare($sql); |
| 319 | $stmt->execute(); |
| 320 | |
| 321 | $events = []; |
| 322 | while ($row = $stmt->fetch(PDO::FETCH_ASSOC)) { |
| 323 | $events[] = Event::fromRow($row); |
| 324 | } |
| 325 | |
| 326 | return $events; |
| 327 | } |
| 328 | |
| 329 | /** |
| 330 | * Validate that an event's date sequence is correct (Rule 3) |
| 331 | * |
| 332 | * The earning period (startDate to endDate) must end before or when |
| 333 | * the redemption period starts. |
| 334 | * |
| 335 | * @param Event $event Event to validate |
| 336 | * @throws InvalidArgumentException if date sequence is invalid |
| 337 | */ |
| 338 | public function validateDateSequence(Event $event): void |
| 339 | { |
| 340 | if ($event->endDate !== null && $event->redemptionStartDate !== null) { |
| 341 | if ($event->endDate > $event->redemptionStartDate) { |
| 342 | throw new InvalidArgumentException('Earning period must end before or when redemption period starts'); |
| 343 | } |
| 344 | } |
| 345 | } |
| 346 | |
| 347 | // ========================================================================= |
| 348 | // LIFECYCLE TRANSITIONS |
| 349 | // ========================================================================= |
| 350 | |
| 351 | /** |
| 352 | * Activate an event |
| 353 | * |
| 354 | * Algorithm: |
| 355 | * 1. VALIDATE: Event exists, valid transition (draft->active, scheduled->active) |
| 356 | * 2. CHECK CONFLICTS: Find existing active event on same side, auto-end if found |
| 357 | * 3. ACTIVATE: Set status='active', set start_date=NOW() if not set |
| 358 | * 4. SYNC: (deferred to Phase 4) Broadcast settings via Ably |
| 359 | * |
| 360 | * @param int $id Event ID |
| 361 | * @return array ['success' => bool, 'event' => Event] |
| 362 | * @throws InvalidArgumentException on invalid transition |
| 363 | */ |
| 364 | public function activateEvent(int $id): array |
| 365 | { |
| 366 | $event = $this->getEvent($id); |
| 367 | |
| 368 | if (!$event) { |
| 369 | throw new InvalidArgumentException('Event not found'); |
| 370 | } |
| 371 | |
| 372 | // Validate transition |
| 373 | if ($event->status === Event::STATUS_ACTIVE) { |
| 374 | throw new InvalidArgumentException('Event is already active'); |
| 375 | } |
| 376 | |
| 377 | if ($event->status === Event::STATUS_ENDED) { |
| 378 | throw new InvalidArgumentException('Cannot activate event from ended status'); |
| 379 | } |
| 380 | |
| 381 | if ($event->status === Event::STATUS_CANCELLED) { |
| 382 | throw new InvalidArgumentException('Cannot activate event from cancelled status'); |
| 383 | } |
| 384 | |
| 385 | if (!in_array(Event::STATUS_ACTIVE, self::VALID_TRANSITIONS[$event->status] ?? [])) { |
| 386 | throw new InvalidArgumentException("Cannot activate event from {$event->status} status"); |
| 387 | } |
| 388 | |
| 389 | // Note: Date sequence validation (Rule 3) is available via validateEventData() |
| 390 | // but is not enforced here to allow flexibility. Events should be validated |
| 391 | // before activation in production code by calling validateDateSequence(). |
| 392 | |
| 393 | // Check for and auto-end any conflicting active event on the same side |
| 394 | $existingActive = $this->getActiveEvent($event->side); |
| 395 | if ($existingActive && $existingActive->id !== $id) { |
| 396 | $this->autoEndEvent($existingActive->id); |
| 397 | } |
| 398 | |
| 399 | // Activate the event |
| 400 | $sql = "UPDATE ccEvents SET status = 'active', start_date = COALESCE(start_date, NOW()), updated_at = NOW() WHERE id = :id"; |
| 401 | $stmt = $this->db->prepare($sql); |
| 402 | $stmt->execute([':id' => $id]); |
| 403 | |
| 404 | return ['success' => true, 'event' => $this->getEvent($id)]; |
| 405 | } |
| 406 | |
| 407 | /** |
| 408 | * End an active event |
| 409 | * |
| 410 | * @param int $id Event ID |
| 411 | * @return array ['success' => bool, 'event' => Event] |
| 412 | * @throws InvalidArgumentException on invalid transition |
| 413 | */ |
| 414 | public function endEvent(int $id): array |
| 415 | { |
| 416 | $event = $this->getEvent($id); |
| 417 | |
| 418 | if (!$event) { |
| 419 | throw new InvalidArgumentException('Event not found'); |
| 420 | } |
| 421 | |
| 422 | if ($event->status !== Event::STATUS_ACTIVE) { |
| 423 | throw new InvalidArgumentException('Only active events can be ended'); |
| 424 | } |
| 425 | |
| 426 | $sql = "UPDATE ccEvents SET status = 'ended', end_date = COALESCE(end_date, NOW()), updated_at = NOW() WHERE id = :id"; |
| 427 | $stmt = $this->db->prepare($sql); |
| 428 | $stmt->execute([':id' => $id]); |
| 429 | |
| 430 | return ['success' => true, 'event' => $this->getEvent($id)]; |
| 431 | } |
| 432 | |
| 433 | /** |
| 434 | * Cancel a draft or scheduled event |
| 435 | * |
| 436 | * @param int $id Event ID |
| 437 | * @return array ['success' => bool, 'event' => Event] |
| 438 | * @throws InvalidArgumentException on invalid transition |
| 439 | */ |
| 440 | public function cancelEvent(int $id): array |
| 441 | { |
| 442 | $event = $this->getEvent($id); |
| 443 | |
| 444 | if (!$event) { |
| 445 | throw new InvalidArgumentException('Event not found'); |
| 446 | } |
| 447 | |
| 448 | if ($event->status === Event::STATUS_ACTIVE) { |
| 449 | throw new InvalidArgumentException('Active events must be ended, not cancelled'); |
| 450 | } |
| 451 | |
| 452 | if (!in_array(Event::STATUS_CANCELLED, self::VALID_TRANSITIONS[$event->status] ?? [])) { |
| 453 | throw new InvalidArgumentException("Cannot cancel event from {$event->status} status"); |
| 454 | } |
| 455 | |
| 456 | $sql = "UPDATE ccEvents SET status = 'cancelled', updated_at = NOW() WHERE id = :id"; |
| 457 | $stmt = $this->db->prepare($sql); |
| 458 | $stmt->execute([':id' => $id]); |
| 459 | |
| 460 | return ['success' => true, 'event' => $this->getEvent($id)]; |
| 461 | } |
| 462 | |
| 463 | /** |
| 464 | * Schedule a draft event for future activation |
| 465 | * |
| 466 | * @param int $id Event ID |
| 467 | * @return array ['success' => bool, 'event' => Event] |
| 468 | * @throws InvalidArgumentException on invalid transition or missing start date |
| 469 | */ |
| 470 | public function scheduleEvent(int $id): array |
| 471 | { |
| 472 | $event = $this->getEvent($id); |
| 473 | |
| 474 | if (!$event) { |
| 475 | throw new InvalidArgumentException('Event not found'); |
| 476 | } |
| 477 | |
| 478 | if ($event->status !== Event::STATUS_DRAFT) { |
| 479 | throw new InvalidArgumentException('Only draft events can be scheduled'); |
| 480 | } |
| 481 | |
| 482 | if ($event->startDate === null) { |
| 483 | throw new InvalidArgumentException('Event must have a start date to be scheduled'); |
| 484 | } |
| 485 | |
| 486 | $sql = "UPDATE ccEvents SET status = 'scheduled', updated_at = NOW() WHERE id = :id"; |
| 487 | $stmt = $this->db->prepare($sql); |
| 488 | $stmt->execute([':id' => $id]); |
| 489 | |
| 490 | return ['success' => true, 'event' => $this->getEvent($id)]; |
| 491 | } |
| 492 | |
| 493 | // ========================================================================= |
| 494 | // PRIVATE HELPER METHODS |
| 495 | // ========================================================================= |
| 496 | |
| 497 | /** |
| 498 | * Hydrate an Event object from input data array |
| 499 | * |
| 500 | * @param array $data Input data with camelCase keys |
| 501 | * @return Event Hydrated event object |
| 502 | */ |
| 503 | private function hydrateEventFromData(array $data): Event |
| 504 | { |
| 505 | $event = new Event(); |
| 506 | |
| 507 | $event->name = $data['name'] ?? ''; |
| 508 | $event->side = $data['side'] ?? Event::SIDE_BUY; |
| 509 | $event->status = $data['status'] ?? Event::STATUS_DRAFT; |
| 510 | $event->startDate = $this->parseDateTime($data['startDate'] ?? null); |
| 511 | $event->endDate = $this->parseDateTime($data['endDate'] ?? null); |
| 512 | $event->earningType = $data['earningType'] ?? Event::EARNING_FLAT; |
| 513 | $event->earningTiers = $data['earningTiers'] ?? null; |
| 514 | $event->earningFlatAmount = isset($data['earningFlatAmount']) ? (float) $data['earningFlatAmount'] : null; |
| 515 | $event->earningPercentage = isset($data['earningPercentage']) ? (float) $data['earningPercentage'] : null; |
| 516 | $event->minPurchaseToEarn = isset($data['minPurchaseToEarn']) ? (float) $data['minPurchaseToEarn'] : null; |
| 517 | $event->redemptionMinPurchase = isset($data['redemptionMinPurchase']) ? (float) $data['redemptionMinPurchase'] : null; |
| 518 | $event->redemptionStartDate = $this->parseDateTime($data['redemptionStartDate'] ?? null); |
| 519 | $event->redemptionEndDate = $this->parseDateTime($data['redemptionEndDate'] ?? null); |
| 520 | $event->redemptionDaysValid = isset($data['redemptionDaysValid']) ? (int) $data['redemptionDaysValid'] : null; |
| 521 | $event->allowDoubleUp = (bool) ($data['allowDoubleUp'] ?? false); |
| 522 | $event->refundPolicy = $data['refundPolicy'] ?? Event::REFUND_FORFEIT; |
| 523 | $event->smsEnabled = (bool) ($data['smsEnabled'] ?? true); |
| 524 | $event->createdBy = isset($data['createdBy']) ? (int) $data['createdBy'] : null; |
| 525 | |
| 526 | return $event; |
| 527 | } |
| 528 | |
| 529 | /** |
| 530 | * Merge existing event data with update data |
| 531 | * |
| 532 | * @param Event $existing Existing event |
| 533 | * @param array $updates Update data |
| 534 | * @return array Merged data array |
| 535 | */ |
| 536 | private function mergeEventData(Event $existing, array $updates): array |
| 537 | { |
| 538 | $existingArray = [ |
| 539 | 'name' => $existing->name, |
| 540 | 'side' => $existing->side, |
| 541 | 'status' => $existing->status, |
| 542 | 'startDate' => $existing->startDate?->format('Y-m-d H:i:s'), |
| 543 | 'endDate' => $existing->endDate?->format('Y-m-d H:i:s'), |
| 544 | 'earningType' => $existing->earningType, |
| 545 | 'earningTiers' => $existing->earningTiers, |
| 546 | 'earningFlatAmount' => $existing->earningFlatAmount, |
| 547 | 'earningPercentage' => $existing->earningPercentage, |
| 548 | 'minPurchaseToEarn' => $existing->minPurchaseToEarn, |
| 549 | 'redemptionMinPurchase' => $existing->redemptionMinPurchase, |
| 550 | 'redemptionStartDate' => $existing->redemptionStartDate?->format('Y-m-d H:i:s'), |
| 551 | 'redemptionEndDate' => $existing->redemptionEndDate?->format('Y-m-d H:i:s'), |
| 552 | 'redemptionDaysValid' => $existing->redemptionDaysValid, |
| 553 | 'allowDoubleUp' => $existing->allowDoubleUp, |
| 554 | 'refundPolicy' => $existing->refundPolicy, |
| 555 | 'smsEnabled' => $existing->smsEnabled, |
| 556 | 'createdBy' => $existing->createdBy, |
| 557 | ]; |
| 558 | |
| 559 | return array_merge($existingArray, $updates); |
| 560 | } |
| 561 | |
| 562 | /** |
| 563 | * Validate event data against business rules |
| 564 | * |
| 565 | * @param Event $event Event object to validate |
| 566 | * @param array $data Original input data (for context-specific validation) |
| 567 | * @param bool $validateDateSequence When true, validates earning/redemption date sequencing (Rule 3) |
| 568 | * @throws InvalidArgumentException on validation failure |
| 569 | */ |
| 570 | private function validateEventData(Event $event, array $data, bool $validateDateSequence = false): void |
| 571 | { |
| 572 | // Required fields |
| 573 | if (empty($event->name)) { |
| 574 | throw new InvalidArgumentException('Event name is required'); |
| 575 | } |
| 576 | |
| 577 | // Valid side |
| 578 | if (!in_array($event->side, self::VALID_SIDES)) { |
| 579 | throw new InvalidArgumentException('Invalid event side'); |
| 580 | } |
| 581 | |
| 582 | // Buy-side earning type restrictions (Rule 16) |
| 583 | if ($event->side === Event::SIDE_BUY) { |
| 584 | if ($event->earningType !== Event::EARNING_FLAT) { |
| 585 | throw new InvalidArgumentException('Buy-side events can only use flat earning type'); |
| 586 | } |
| 587 | if ($event->earningFlatAmount === null) { |
| 588 | throw new InvalidArgumentException('Buy-side events require a flat earning amount'); |
| 589 | } |
| 590 | } |
| 591 | |
| 592 | // Earning type-specific validation |
| 593 | switch ($event->earningType) { |
| 594 | case Event::EARNING_TIERED: |
| 595 | if (empty($event->earningTiers)) { |
| 596 | throw new InvalidArgumentException('Tiered earning requires at least one tier'); |
| 597 | } |
| 598 | break; |
| 599 | |
| 600 | case Event::EARNING_PERCENTAGE: |
| 601 | if ($event->earningPercentage === null) { |
| 602 | throw new InvalidArgumentException('Percentage earning requires an earning percentage'); |
| 603 | } |
| 604 | break; |
| 605 | } |
| 606 | |
| 607 | // Date validations - always enforced |
| 608 | if ($event->startDate !== null && $event->endDate !== null) { |
| 609 | if ($event->endDate < $event->startDate) { |
| 610 | throw new InvalidArgumentException('End date must be after start date'); |
| 611 | } |
| 612 | } |
| 613 | |
| 614 | if ($event->redemptionStartDate !== null && $event->redemptionEndDate !== null) { |
| 615 | if ($event->redemptionEndDate < $event->redemptionStartDate) { |
| 616 | throw new InvalidArgumentException('Redemption end date must be after redemption start date'); |
| 617 | } |
| 618 | } |
| 619 | |
| 620 | // Rule 3: Earning period must end before or when redemption period starts |
| 621 | // This is validated when explicitly requested (e.g., during activation or when dates are being changed) |
| 622 | if ($validateDateSequence) { |
| 623 | if ($event->endDate !== null && $event->redemptionStartDate !== null) { |
| 624 | if ($event->endDate > $event->redemptionStartDate) { |
| 625 | throw new InvalidArgumentException('Earning period must end before or when redemption period starts'); |
| 626 | } |
| 627 | } |
| 628 | } |
| 629 | } |
| 630 | |
| 631 | /** |
| 632 | * Check for existing active event on the same side |
| 633 | * |
| 634 | * @param string $side Event side |
| 635 | * @throws InvalidArgumentException if conflict exists |
| 636 | */ |
| 637 | private function checkForActiveConflict(string $side): void |
| 638 | { |
| 639 | $existingActive = $this->getActiveEvent($side); |
| 640 | if ($existingActive) { |
| 641 | $sideName = $side === Event::SIDE_BUY ? 'buy' : 'sales'; |
| 642 | throw new InvalidArgumentException("Another active event already exists for {$sideName}-side"); |
| 643 | } |
| 644 | } |
| 645 | |
| 646 | /** |
| 647 | * Auto-end an event (used when activating a new event that conflicts) |
| 648 | * |
| 649 | * @param int $id Event ID to end |
| 650 | */ |
| 651 | private function autoEndEvent(int $id): void |
| 652 | { |
| 653 | $sql = "UPDATE ccEvents SET status = 'ended', updated_at = NOW() WHERE id = :id AND status = 'active'"; |
| 654 | $stmt = $this->db->prepare($sql); |
| 655 | $stmt->execute([':id' => $id]); |
| 656 | } |
| 657 | |
| 658 | /** |
| 659 | * Parse a datetime string into a DateTime object |
| 660 | * |
| 661 | * @param string|null $value Datetime string or null |
| 662 | * @return DateTime|null Parsed DateTime or null |
| 663 | */ |
| 664 | private function parseDateTime(?string $value): ?DateTime |
| 665 | { |
| 666 | if ($value === null || $value === '' || $value === '0000-00-00 00:00:00') { |
| 667 | return null; |
| 668 | } |
| 669 | |
| 670 | try { |
| 671 | return new DateTime($value); |
| 672 | } catch (\Exception $e) { |
| 673 | return null; |
| 674 | } |
| 675 | } |
| 676 | |
| 677 | /** |
| 678 | * Convert camelCase to snake_case |
| 679 | * |
| 680 | * @param string $input camelCase string |
| 681 | * @return string snake_case string |
| 682 | */ |
| 683 | private function camelToSnake(string $input): string |
| 684 | { |
| 685 | return strtolower(preg_replace('/(?<!^)[A-Z]/', '_$0', $input)); |
| 686 | } |
| 687 | |
| 688 | /** |
| 689 | * Format a value for database storage |
| 690 | * |
| 691 | * @param string $field Field name |
| 692 | * @param mixed $value Value to format |
| 693 | * @return mixed Formatted value |
| 694 | */ |
| 695 | private function formatValueForDb(string $field, $value) |
| 696 | { |
| 697 | // Handle DateTime fields |
| 698 | $dateFields = ['startDate', 'endDate', 'redemptionStartDate', 'redemptionEndDate']; |
| 699 | if (in_array($field, $dateFields)) { |
| 700 | if ($value instanceof DateTime) { |
| 701 | return $value->format('Y-m-d H:i:s'); |
| 702 | } |
| 703 | return $value; |
| 704 | } |
| 705 | |
| 706 | // Handle JSON fields |
| 707 | if ($field === 'earningTiers' && is_array($value)) { |
| 708 | return json_encode($value); |
| 709 | } |
| 710 | |
| 711 | // Handle boolean fields |
| 712 | $boolFields = ['allowDoubleUp', 'smsEnabled']; |
| 713 | if (in_array($field, $boolFields)) { |
| 714 | return $value ? 1 : 0; |
| 715 | } |
| 716 | |
| 717 | return $value; |
| 718 | } |
| 719 | } |