function calculateQuote()

in src/quote/app/routes.php [15:49]

• 30 lines of code
• 3 McCabe index (conditional complexity)

function calculateQuote($jsonObject): float
{
    $quote = 0.0;
    $childSpan = Globals::tracerProvider()->getTracer('manual-instrumentation')
        ->spanBuilder('calculate-quote')
        ->setSpanKind(SpanKind::KIND_INTERNAL)
        ->startSpan();
    $childSpan->addEvent('Calculating quote');

    try {
        if (!array_key_exists('numberOfItems', $jsonObject)) {
            throw new \InvalidArgumentException('numberOfItems not provided');
        }
        $numberOfItems = intval($jsonObject['numberOfItems']);
        $costPerItem = rand(400, 1000)/10;
        $quote = round($costPerItem * $numberOfItems, 2);

        $childSpan->setAttribute('app.quote.items.count', $numberOfItems);
        $childSpan->setAttribute('app.quote.cost.total', $quote);

        $childSpan->addEvent('Quote calculated, returning its value');

        //manual metrics
        static $counter;
        $counter ??= Globals::meterProvider()
            ->getMeter('quotes')
            ->createCounter('quotes', 'quotes', 'number of quotes calculated');
        $counter->add(1, ['number_of_items' => $numberOfItems]);
    } catch (\Exception $exception) {
        $childSpan->recordException($exception);
    } finally {
        $childSpan->end();
        return $quote;
    }
}