pushHandler(new StreamHandler('php://stdout', Logger::DEBUG));
// Prepare Slim framework and use Error Middleware to get better errors.
$app = AppFactory::create();
$app->addErrorMiddleware(true, true, true);
// Mock of data store.
$books = [
['id' => 1, 'title' => 'Clean Code', 'author' => 'Robert C. Martin'],
['id' => 2, 'title' => 'The Pragmatic Programmer', 'author' => 'David Thomas'],
['id' => 3, 'title' => 'Designing Data-Intensive Applications', 'author' => 'Martin Kleppmann'],
['id' => 4, 'title' => 'Clean Architecture', 'author' => 'Robert C. Martin'],
];
$app->get('/', function (Request $request, Response $response, $args) {
$response->getBody()->write("Book library\nIt is working!");
return $response
->withHeader('Content-Type', 'text/html')
->withStatus(200);
});
// Task 1: Read route handling carefully.
// The navigator's first job is to understand what is happening here
// and explain it to the driver.
$app->get('/api/v1/books', function (Request $request, Response $response, $args) use ($books, $logger) {
$logger->info('GET /books — returning all books', ['count' => count($books)]);
$response->getBody()->write(json_encode($books, JSON_PRETTY_PRINT));
return $response
->withHeader('Content-Type', 'application/json')
->withStatus(200);
});
// Task 2: GET /books/{id}
// $app->get('/api/v1/books/{id}', function (...) use (...) { ... });
// Return the matching book as JSON.
// If the id does not exist, return a proper 404 response with a JSON error body
// Log a warning when a book is not found.
// Task 3: POST /books
// $app->post('/api/v1/books', function (...) use (...) { ... });
// Parse the JSON request body and add a new book to the array, assigning it the next available id.
// Return the created book with a 201 status.
// Log the addition at info level including the new book's title.
// The operation wil not be persistent.
// Task 4: DELETE /api/v1/books/{id}
// $app->delete('/api/v1/books/{id}', function (...) use (...) { ... });
// Remove the book if it exists and return 204. Return 404 if not.
// Log both outcomes.
// The operation wil not be persistent.
// Task 5: Add support for filtering by title into GET /api/v1/books/{id}
// The query /api/v1/books?title=Clean should return all books that contain
// "clean" in their title. The function must be case insensitive.
$app->run();