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|
<?php
namespace JsonApi\Routes\Holidays;
use GuzzleHttp\Psr7;
use JsonApi\JsonApiIntegration\QueryParserInterface;
use JsonApi\NonJsonApiController;
use Neomerx\JsonApi\Exceptions\JsonApiException;
use Neomerx\JsonApi\Schema\Error;
use Neomerx\JsonApi\Schema\ErrorCollection;
use Psr\Container\ContainerInterface;
use Psr\Http\Message\ServerRequestInterface as Request;
use Psr\Http\Message\ResponseInterface as Response;
/**
* List all holidays for a specific time period.
*
* Filter are allowed for year, month and days. You must specify a year in order
* to filter by a month and you must specify a month in order to filter by a
* day.
*
* If no filter is set, a filter the current year is assumed.
*/
final class HolidaysShow extends NonJsonApiController
{
private $query_parser;
protected $allowedFilteringParameters = ['year', 'month', 'day'];
public function __construct(
ContainerInterface $container,
QueryParserInterface $queryParser
) {
parent::__construct($container);
$this->query_parser = $queryParser;
}
public function __invoke(Request $request, Response $response, $args): Response
{
[$current, $end] = $this->getTimespanByFilters();
$holidays = [];
while ($current < $end) {
$holiday = holiday($current);
if ($holiday) {
$holidays[date('Y-m-d', $current)] = [
'holiday' => $holiday['name'],
'mandatory' => $holiday['col'] === 3,
];
}
$current = strtotime('+1 day', $current);
}
return $response
->withHeader('Content-Type', 'application/json')
->withBody(Psr7\Utils::streamFor(json_encode($holidays)));
}
private function getTimespanByFilters(): array
{
$filters = $this->getFilters();
$begin = mktime(
0,
0,
0,
$filters['month'] ?? 1,
$filters['day'] ?? 1,
$filters['year']
);
$end = mktime(
23,
59,
59,
$filters['month'] ?? 12,
$filters['day'] ?? $this->getLastDayOfMonth($filters['year'], $filters['month'] ?? 12),
$filters['year']
);
return [$begin, $end];
}
private function getLastDayOfMonth(int $year, int $month): int
{
$first_of_month = mktime(0, 0, 0, $month, 1, $year);
$last_day_of_month = strtotime('last day of this month', $first_of_month);
return (int) date('d', $last_day_of_month);
}
/**
* @todo imporove error handling
* @return array
*/
private function getFilters(): array
{
$errors = new ErrorCollection();
// Get filters
$filters = $this->query_parser->getFilteringParameters();
// Validate allowed filters
foreach ($filters as $key => $value) {
if (!in_array($key, $this->allowedFilteringParameters)) {
$errors->add(new Error(
'invalid-filter-field',
null, null,
null, null,
'Filter should contain only allowed values.',
"Cannot filter by {$key}",
['filter' => $key]
));
}
}
// Validate month
if (isset($filters['month']) && !isset($filters['year'])) {
$errors->add(new Error(
'missing-year-filter',
null, null,
null, null,
'You must not define a month filter without a year filter'
));
} elseif (
isset($filters['month'])
&& ($filters['month'] < 1 || $filters['month'] > 12)
) {
$errors->add(new Error(
'invalid-filter-value',
null, null,
null, null,
'Filter should contain only allowed values.',
"Invalid value {$filters['month']} for month filter",
['filter' => 'month', 'value' => $filters['month']]
));
}
// Validate day
if (isset($filters['day']) && !isset($filters['month'])) {
$errors->add(new Error(
'missing-month-filter',
null, null,
null, null,
'You must not define a day filter without a month filter'
));
} elseif (
isset($filters['day'])
&& (
$filters['day'] < 1
|| $filters['day'] > $this->getLastDayOfMonth((int) $filters['year'] ?? date('Y'), $filters['month'])
)
) {
$errors->add(new Error(
'invalid-filter-value',
null, null,
null, null,
'Filter should contain only allowed values.',
"Invalid value {$filters['day']} for day filter",
['filter' => 'day', 'value' => $filters['day']]
));
}
if ($errors->count() > 0) {
throw new JsonApiException($errors, JsonApiException::HTTP_CODE_BAD_REQUEST);
}
// Apply defaults
return array_merge(['year' => date('Y')], $filters);
}
}
|
