DataTables\DataTables::handle()

Complexity

Conditions	6
Paths	20

Size

Total Lines	81
Code Lines	48

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	41
CRAP Score	6

Importance

Changes	3
Bugs	0	Features	0

<?php
    public function handle(Request $request, string $id, array $context = []): DataTableResults
    {
        $this->logger->debug('Handle DataTable request', [$id]);

        // Retrieve sent parameters.
        $params = new Parameters();

        $keyParams = [
            'draw',
            'start',
            'length',
            'search',
            'order',
            'columns',
        ];

        $params->draw    = $request->get('draw');
        $params->start   = $request->get('start');
        $params->length  = $request->get('length');
        $params->search  = $request->get('search');
        $params->order   = $request->get('order')   ?? [];
        $params->columns = $request->get('columns') ?? [];

        $allParams = $request->isMethod(Request::METHOD_POST)
            ? $request->request->all()
            : $request->query->all();

        $params->customData = array_diff_key($allParams, array_flip($keyParams));

        // Validate sent parameters.
        $violations = $this->validator->validate($params);

        if (count($violations)) {
            $message = $violations->get(0)->getMessage();
            $this->logger->error($message, ['request']);

            throw new DataTableException($message);
        }

        // Check for valid handler is registered.
        if (!array_key_exists($id, $this->services)) {
            $message = 'Unknown DataTable ID.';
            $this->logger->error($message, [$id]);

            throw new DataTableException($message);
        }

        // Convert sent parameters into data model.
        $query = new DataTableQuery($params);

        // Pass the data model to the handler.
        $result = null;

The assignment to $result is dead and can be removed.

        $timer_started = microtime(true);

        try {
            $result = $this->services[$id]->handle($query, $context);
        } catch (\Exception $e) {
            $this->logger->error($e->getMessage(), [$this->services[$id]]);

            throw new DataTableException($e->getMessage());
        } finally {
            $timer_stopped = microtime(true);
            $this->logger->debug('DataTable processing time', [$timer_stopped - $timer_started, $this->services[$id]]);
        }

        // Validate results returned from handler.
        $violations = $this->validator->validate($result);

        if (count($violations)) {
            $message = $violations->get(0)->getMessage();
            $this->logger->error($message, ['response']);

            throw new DataTableException($message);
        }

        $reflection = new \ReflectionProperty(DataTableResults::class, 'draw');
        $reflection->setAccessible(true);
        $reflection->setValue($result, $params->draw);

        return $result;
    }