Doctrine\ODM\MongoDB\Persisters\DocumentPersister::prepareQueryElement()

Complexity

Conditions	44
Paths	304

Size

Total Lines	175
Code Lines	85

Duplication

Lines	9
Ratio	5.14 %

Code Coverage

Tests	84
CRAP Score	44.1824

Importance

Changes	2
Bugs	1	Features	0

<?php
    private function prepareQueryElement($fieldName, $value = null, $class = null, $prepareValue = true)
    {
        $class = isset($class) ? $class : $this->class;

        // @todo Consider inlining calls to ClassMetadataInfo methods

        // Process all non-identifier fields by translating field names
        if ($class->hasField($fieldName) && ! $class->isIdentifier($fieldName)) {
            $mapping = $class->fieldMappings[$fieldName];
            $fieldName = $mapping['name'];

            if ( ! $prepareValue) {
                return array($fieldName, $value);
            }

            // Prepare mapped, embedded objects
            if ( ! empty($mapping['embedded']) && is_object($value) &&
                ! $this->dm->getMetadataFactory()->isTransient(get_class($value))) {
                return array($fieldName, $this->pb->prepareEmbeddedDocumentValue($mapping, $value));
            }

            // No further preparation unless we're dealing with a simple reference
            // We can't have expressions in empty() with PHP < 5.5, so store it in a variable
            $arrayValue = (array) $value;
            if (empty($mapping['reference']) || empty($mapping['simple']) || empty($arrayValue)) {
                return array($fieldName, $value);
            }

            // Additional preparation for one or more simple reference values
            $targetClass = $this->dm->getClassMetadata($mapping['targetDocument']);

            if ( ! is_array($value)) {
                return array($fieldName, $targetClass->getDatabaseIdentifierValue($value));
            }

            // Objects without operators or with DBRef fields can be converted immediately
            if ( ! $this->hasQueryOperators($value) || $this->hasDBRefFields($value)) {

This code seems to be duplicated across your project.

                return array($fieldName, $targetClass->getDatabaseIdentifierValue($value));
            }

            return array($fieldName, $this->prepareQueryExpression($value, $targetClass));
        }

        // Process identifier fields
        if (($class->hasField($fieldName) && $class->isIdentifier($fieldName)) || $fieldName === '_id') {
            $fieldName = '_id';

            if ( ! $prepareValue) {
                return array($fieldName, $value);
            }

            if ( ! is_array($value)) {
                return array($fieldName, $class->getDatabaseIdentifierValue($value));
            }

            // Objects without operators or with DBRef fields can be converted immediately
            if ( ! $this->hasQueryOperators($value) || $this->hasDBRefFields($value)) {

This code seems to be duplicated across your project.

                return array($fieldName, $class->getDatabaseIdentifierValue($value));
            }

            return array($fieldName, $this->prepareQueryExpression($value, $class));
        }

        // No processing for unmapped, non-identifier, non-dotted field names
        if (strpos($fieldName, '.') === false) {
            return array($fieldName, $value);
        }

        /* Process "fieldName.objectProperty" queries (on arrays or objects).
         *
         * We can limit parsing here, since at most three segments are
         * significant: "fieldName.objectProperty" with an optional index or key
         * for collections stored as either BSON arrays or objects.
         */
        $e = explode('.', $fieldName, 4);

        // No further processing for unmapped fields
        if ( ! isset($class->fieldMappings[$e[0]])) {
            return array($fieldName, $value);
        }

        $mapping = $class->fieldMappings[$e[0]];
        $e[0] = $mapping['name'];

        // Hash and raw fields will not be prepared beyond the field name
        if ($mapping['type'] === Type::HASH || $mapping['type'] === Type::RAW) {
            $fieldName = implode('.', $e);

            return array($fieldName, $value);
        }

        if (isset($mapping['strategy']) && CollectionHelper::isHash($mapping['strategy'])
                && isset($e[2])) {
            $objectProperty = $e[2];
            $objectPropertyPrefix = $e[1] . '.';
            $nextObjectProperty = implode('.', array_slice($e, 3));
        } elseif ($e[1] != '$') {
            $fieldName = $e[0] . '.' . $e[1];
            $objectProperty = $e[1];
            $objectPropertyPrefix = '';
            $nextObjectProperty = implode('.', array_slice($e, 2));
        } elseif (isset($e[2])) {
            $fieldName = $e[0] . '.' . $e[1] . '.' . $e[2];
            $objectProperty = $e[2];
            $objectPropertyPrefix = $e[1] . '.';
            $nextObjectProperty = implode('.', array_slice($e, 3));
        } else {
            $fieldName = $e[0] . '.' . $e[1];

            return array($fieldName, $value);
        }

        // No further processing for fields without a targetDocument mapping
        if ( ! isset($mapping['targetDocument'])) {
            if ($nextObjectProperty) {
                $fieldName .= '.'.$nextObjectProperty;
            }

            return array($fieldName, $value);
        }

        $targetClass = $this->dm->getClassMetadata($mapping['targetDocument']);

        // No further processing for unmapped targetDocument fields
        if ( ! $targetClass->hasField($objectProperty)) {
            if ($nextObjectProperty) {
                $fieldName .= '.'.$nextObjectProperty;
            }

            return array($fieldName, $value);
        }

        $targetMapping = $targetClass->getFieldMapping($objectProperty);
        $objectPropertyIsId = $targetClass->isIdentifier($objectProperty);

        // Prepare DBRef identifiers or the mapped field's property path
        $fieldName = ($objectPropertyIsId && ! empty($mapping['reference']) && empty($mapping['simple']))
            ? $e[0] . '.$id'
            : $e[0] . '.' . $objectPropertyPrefix . $targetMapping['name'];

        // Process targetDocument identifier fields
        if ($objectPropertyIsId) {
            if ( ! $prepareValue) {
                return array($fieldName, $value);
            }

            if ( ! is_array($value)) {
                return array($fieldName, $targetClass->getDatabaseIdentifierValue($value));
            }

            // Objects without operators or with DBRef fields can be converted immediately
            if ( ! $this->hasQueryOperators($value) || $this->hasDBRefFields($value)) {

This code seems to be duplicated across your project.

                return array($fieldName, $targetClass->getDatabaseIdentifierValue($value));
            }

            return array($fieldName, $this->prepareQueryExpression($value, $targetClass));
        }

        /* The property path may include a third field segment, excluding the
         * collection item pointer. If present, this next object property must
         * be processed recursively.
         */
        if ($nextObjectProperty) {
            // Respect the targetDocument's class metadata when recursing
            $nextTargetClass = isset($targetMapping['targetDocument'])
                ? $this->dm->getClassMetadata($targetMapping['targetDocument'])
                : null;

            list($key, $value) = $this->prepareQueryElement($nextObjectProperty, $value, $nextTargetClass, $prepareValue);

            $fieldName .= '.' . $key;
        }

        return array($fieldName, $value);
    }