Graviton\SchemaBundle\Constraint\RecordOriginConstraint::checkRecordOrigin()

Complexity

Conditions	16
Paths	13

Size

Total Lines

110

Duplication

Lines	10
Ratio	9.09 %

Code Coverage

Tests	0
CRAP Score	272

Importance

Changes

0

<?php
    public function checkRecordOrigin(ConstraintEventSchema $event)
    {
        $currentRecord = $this->utils->getCurrentEntity([$this->recordOriginField]);
        $data = $event->getElement();

        // if no recordorigin set on saved record; we let it through
        if (is_null($currentRecord) || !isset($currentRecord->{$this->recordOriginField})) {
            // we have no current record.. but make sure user doesn't want to send the banned recordOrigin
            if (isset($data->{$this->recordOriginField}) &&
                !is_null($data->{$this->recordOriginField}) &&
                in_array($data->{$this->recordOriginField}, $this->recordOriginBlacklist)
            ) {
                $event->addError(
                    sprintf(
                        'Creating documents with the %s field having a value of %s is not permitted.',
                        $this->recordOriginField,
                        implode(', ', $this->recordOriginBlacklist)
                    ),
                    $this->recordOriginField
                );
                return;
            }

            return;
        }

        $recordOrigin = $currentRecord->{$this->recordOriginField};

        // not in the blacklist? can also go through..
        if (!in_array($recordOrigin, $this->recordOriginBlacklist)) {
            return;
        }

        // ok, user is trying to modify an object with blacklist recordorigin.. let's check fields
        $schema = $event->getSchema();
        $isAllowed = true;

        if (!isset($schema->{'x-documentClass'})) {
            // this should never happen but we need to check. if schema has no information to *check* our rules, we
            // MUST deny it in that case..
            $event->addError(
                'Internal error, not enough schema information to validate recordOrigin rules.',
                $this->recordOriginField
            );
            return;
        }

        $documentClass = $schema->{'x-documentClass'};

        if (!isset($this->exceptionFieldMap[$documentClass])) {
            // if he wants to edit on blacklist, but we have no exceptions, also deny..
            $isAllowed = false;
        } else {
            // so to check our exceptions, we remove it from both documents (the stored and the clients) and compare
            $exceptions = $this->exceptionFieldMap[$documentClass];

            $accessor = PropertyAccess::createPropertyAccessorBuilder()
                ->enableMagicCall()
                ->getPropertyAccessor();

            // now really get the whole object
            $storedObject = $this->utils->getCurrentEntity();
            $userObject = clone $data;

            // convert all datetimes to UTC so we compare eggs with eggs
            $userObject = $this->convertDatetimeToUTC($userObject, $schema, new \DateTimeZone('UTC'));
            $storedObject = $this->convertDatetimeToUTC($storedObject, $schema, new \DateTimeZone('UTC'));

            foreach ($exceptions as $fieldName) {
                if ($accessor->isWritable($storedObject, $fieldName)) {
                    $accessor->setValue($storedObject, $fieldName, null);
                } else {
                    $this->addProperties($fieldName, $storedObject);
                }
                if ($accessor->isWritable($userObject, $fieldName)) {
                    $accessor->setValue($userObject, $fieldName, null);
                } else {
                    $this->addProperties($fieldName, $userObject);
                }
            }

            // so now all unimportant fields were set to null on both - they should match if rest is untouched ;-)
            if ($userObject != $storedObject) {
                $isAllowed = false;
                $this->changedObjectPaths = [];
                $this->getChangedObjectPaths($userObject, $storedObject);
                $this->getChangedObjectPaths($storedObject, $userObject);
                $this->changedObjectPaths = array_keys($this->changedObjectPaths);
            }
        }

        if (!$isAllowed) {
            $error = sprintf(
                'Prohibited modification attempt on record with %s of %s.',
                $this->recordOriginField,
                implode(', ', $this->recordOriginBlacklist)
            );
            // if there are recordCoreExceptions we can be more explicit
            if (isset($this->exceptionFieldMap[$documentClass]) && !empty($this->changedObjectPaths)) {
                $error.= sprintf(
                    ' You tried to change (%s), but you can only change (%s) by recordOriginException.',
                    implode(', ', $this->changedObjectPaths),
                    implode(', ', $this->exceptionFieldMap[$documentClass])
                );
            }
            $event->addError($error, $this->recordOriginField);
        }

        return;
    }