AlgoWeb\PODataLaravel\Controllers\MetadataControllerTrait::getMappings()

Complexity

Conditions	9
Paths	15

Size

Total Lines	46
Code Lines	26

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	32
CRAP Score	9

Importance

Changes

0

<?php
    public function getMappings()
    {
        // enforce we're actually hooked up to a controller
        assert($this instanceof BaseController, get_class($this));
        // enforce that mapping is actually not empty
        assert(!empty($this->mapping), 'Mapping array must not be empty');

        $allMappings = [];

        // check that mapping array is well formed and sane, rather than waiting to stab us with a spatula
        foreach ($this->mapping as $key => $map) {
            if (!is_array($map)) {
                $msg = 'Metadata mapping for model ' . $key . ' not an array';
                throw new \Exception($msg);
            }
            foreach ($map as $verb => $method) {
                $this->checkCrudVerbDefined($verb);
                if (!isset($method)) {
                    $msg = 'Metadata mapping for CRUD verb ' . $verb . ' on model ' . $key . ' null';
                    throw new \Exception($msg);
                }

                if (!method_exists($this, $method)) {
                    $msg = 'Metadata target for CRUD verb ' . $verb . ' on model ' . $key . ' does not exist';
                    throw new \Exception($msg);
                }
                $parmArray = $this->getParameterNames($method);
                if (!array_key_exists($key, $allMappings)) {
                    $allMappings[$key] = [];
                }

                $class = get_class($this);
                $allMappings[$key][$verb] = ['method' => $method, 'controller' => $class, 'parameters' => $parmArray];
            }
        }
        // bolt on optional, undefined mappings - empty mappings will need to be deduplicated in metadata controller
        // provider
        $mapKeys = array_keys($this->mapping);
        foreach ($mapKeys as $map) {
            $undefined = array_diff($this->optionalVerbs, array_keys($this->mapping[$map]));
            foreach ($undefined as $undef) {
                $allMappings[$map][$undef] = null;
            }
        }

        return $allMappings;
    }