45 lines
1.7 KiB
PHP
45 lines
1.7 KiB
PHP
<?php
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require_once 'lib/ErrorHandler.php';
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register_error_handler();
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require_once 'db/config.php';
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require_once 'WorkflowEngine.php';
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if (session_status() == PHP_SESSION_NONE) {
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session_start();
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}
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header('Content-Type: application/json');
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if (!isset($_SESSION['user_id'])) {
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http_response_code(401);
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echo json_encode(['error' => ['message' => 'Authentication required.']]);
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exit;
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}
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$userId = $_SESSION['user_id'];
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$personId = filter_input(INPUT_POST, 'person_id', FILTER_VALIDATE_INT);
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$processDefinitionId = filter_input(INPUT_POST, 'process_id', FILTER_VALIDATE_INT);
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if (!$personId || !$processDefinitionId) {
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// InvalidArgumentException will be caught by the handler and result in a 400 Bad Request
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throw new InvalidArgumentException('Invalid or missing person_id or process_id.');
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}
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$engine = new WorkflowEngine();
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// The getOrCreateInstanceByDefId method is now responsible for all checks:
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// 1. Validating the process definition exists.
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// 2. Checking if the process is active.
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// 3. Checking if the person is eligible.
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// 4. Creating the instance if it doesn't exist.
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// It will throw specific exceptions (WorkflowNotFoundException, WorkflowNotAllowedException, WorkflowEligibilityException) which our ErrorHandler will turn into 404, 409, and 422 responses.
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$instance = $engine->getOrCreateInstanceByDefId($personId, $processDefinitionId, $userId);
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if ($instance) {
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echo json_encode(['success' => true, 'message' => 'Process initialized successfully.', 'instance_id' => $instance['id']]);
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} else {
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// This case should not be reached if the engine works as expected, as failures should throw exceptions.
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throw new Exception("Failed to initialize process for an unknown reason.");
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}
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