Limoncello\Models\SchemaStorage

Complexity

Total Complexity

22

Size/Duplication

Total Lines	296
Duplicated Lines	0 %

Coupling/Cohesion

Components	1
Dependencies	0

Test Coverage

Coverage

100%

Importance

Changes	2
Bugs	0	Features	0

21 Methods

Rating	Name	Duplication	Size	Complexity
A	getData()	0	15	1
A	setData()	0	5	1
A	registerClass()	0	9	1
A	hasClass()	0	6	1
A	getTable()	0	6	1
A	getPrimaryKey()	0	6	1
A	getAttributeTypes()	0	6	1
A	getAttributeType()	0	6	1
A	hasAttributeType()	0	6	1
A	getAttributeLengths()	0	6	1
A	hasAttributeLength()	0	6	1
A	getAttributeLength()	0	6	1
A	hasRelationship()	0	6	1
A	getRelationshipType()	0	6	1
A	getReverseRelationship()	0	6	1
A	getForeignKey()	0	6	1
A	getBelongsToManyRelationship()	0	6	1
A	registerBelongsToOneRelationship()	0	12	1
A	registerBelongsToManyRelationship()	0	23	1
A	registerRelationshipType()	0	9	2
A	registerReversedRelationship()	0	8	1

<?php namespace Limoncello\Models;

/**
 * Copyright 2015-2016 info@neomerx.com (www.neomerx.com)
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

use Limoncello\Models\Contracts\SchemaStorageInterface;
use LogicException;

/**
 * @package Limoncello\Models
 */
class SchemaStorage implements SchemaStorageInterface
{
    /**
     * @var array
     */
    private $relationshipTypes;

    /**
     * @var array
     */
    private $reversedRelationships;

    /**
     * @var array
     */
    private $foreignKeys;

    /**
     * @var array
     */
    private $belongsToMany;

    /**
     * @var array
     */
    private $tableNames;

    /**
     * @var array
     */
    private $primaryKeys;

    /**
     * @var array
     */
    private $attributeTypes;

    /**
     * @var array
     */
    private $attributeLengths;

    /**
     * @inheritdoc
     */
    public function getData()
    {
        $result = [
            $this->foreignKeys,
            $this->belongsToMany,
            $this->relationshipTypes,
            $this->reversedRelationships,
            $this->tableNames,
            $this->primaryKeys,
            $this->attributeTypes,
            $this->attributeLengths,
        ];

        return $result;
    }

    /**
     * @inheritdoc
     */
    public function setData(array $data)
    {
        list($this->foreignKeys, $this->belongsToMany, $this->relationshipTypes, $this->reversedRelationships,
            $this->tableNames, $this->primaryKeys, $this->attributeTypes, $this->attributeLengths) = $data;
    }

    /**
     * @inheritdoc
     */
    public function registerClass($class, $tableName, $primaryKey, array $attributeTypes, array $attributeLengths)
    {
        $this->tableNames[$class]       = $tableName;
        $this->primaryKeys[$class]      = $primaryKey;
        $this->attributeTypes[$class]   = $attributeTypes;
        $this->attributeLengths[$class] = $attributeLengths;

        return $this;
    }

    /**
     * @inheritdoc
     */
    public function hasClass($class)
    {
        $result = array_key_exists($class, $this->tableNames);

        return $result;
    }

    /**
     * @inheritdoc
     */
    public function getTable($class)
    {
        $result = $this->tableNames[$class];

        return $result;
    }

    /**
     * @inheritdoc
     */
    public function getPrimaryKey($class)
    {
        $result = $this->primaryKeys[$class];

        return $result;
    }

    /**
     * @inheritdoc
     */
    public function getAttributeTypes($class)
    {
        $result = $this->attributeTypes[$class];

        return $result;
    }

    /**
     * @inheritdoc
     */
    public function getAttributeType($class, $name)
    {
        $result = $this->attributeTypes[$class][$name];

        return $result;
    }

    /**
     * @inheritdoc
     */
    public function hasAttributeType($class, $name)
    {
        $result = isset($this->attributeTypes[$class][$name]);

        return $result;
    }

    /**
     * @inheritdoc
     */
    public function getAttributeLengths($class)
    {
        $result = $this->attributeLengths[$class];

        return $result;
    }

    /**
     * @inheritdoc
     */
    public function hasAttributeLength($class, $name)
    {
        $result = isset($this->attributeLengths[$class][$name]);

        return $result;
    }

    /**
     * @inheritdoc
     */
    public function getAttributeLength($class, $name)
    {
        $result = $this->attributeLengths[$class][$name];

        return $result;
    }

    /**
     * @inheritdoc
     */
    public function hasRelationship($class, $name)
    {
        $result = isset($this->relationshipTypes[$class][$name]);

        return $result;
    }

    /**
     * @inheritdoc
     */
    public function getRelationshipType($class, $name)
    {
        $result = $this->relationshipTypes[$class][$name];

        return $result;
    }

    /**
     * @inheritdoc
     */
    public function getReverseRelationship($class, $name)
    {
        $result = $this->reversedRelationships[$class][$name];

        return $result;
    }

    /**
     * @inheritdoc
     */
    public function getForeignKey($class, $name)
    {
        $result = $this->foreignKeys[$class][$name];

        return $result;
    }

    /**
     * @inheritdoc
     */
    public function getBelongsToManyRelationship($class, $name)
    {
        $result = $this->belongsToMany[$class][$name];

        return $result;
    }

    /**
     * @inheritdoc
     */
    public function registerBelongsToOneRelationship($class, $name, $foreignKey, $reverseClass, $reverseName)
    {
        $this->registerRelationshipType(RelationshipTypes::BELONGS_TO, $class, $name);
        $this->registerRelationshipType(RelationshipTypes::HAS_MANY, $reverseClass, $reverseName);

        $this->registerReversedRelationship($class, $name, $reverseClass, $reverseName);
        $this->registerReversedRelationship($reverseClass, $reverseName, $class, $name);

        $this->foreignKeys[$class][$name] = $foreignKey;

        return $this;
    }

    /**
     * @inheritdoc
     */
    public function registerBelongsToManyRelationship(
        $class,
        $name,
        $table,
        $foreignKey,
        $reverseForeignKey,
        $reverseClass,
        $reverseName
    ) {
        $this->registerRelationshipType(RelationshipTypes::BELONGS_TO_MANY, $class, $name);
        $this->registerRelationshipType(RelationshipTypes::BELONGS_TO_MANY, $reverseClass, $reverseName);

        // NOTE:
        // `registerReversedRelationship` relies on duplicate registration check in `registerRelationshipType`
        // so it must be called afterwards
        $this->registerReversedRelationship($class, $name, $reverseClass, $reverseName);
        $this->registerReversedRelationship($reverseClass, $reverseName, $class, $name);

        $this->belongsToMany[$class][$name]               = [$table, $foreignKey, $reverseForeignKey];
        $this->belongsToMany[$reverseClass][$reverseName] = [$table, $reverseForeignKey, $foreignKey];

        return $this;
    }

    /**
     * @param int    $type
     * @param string $class
     * @param string $name
     */
    private function registerRelationshipType($type, $class, $name)
    {
        if (isset($this->relationshipTypes[$class][$name]) === true) {
            // already registered
            throw new LogicException();
        }

        $this->relationshipTypes[$class][$name] = $type;
    }

    /**
     * @param string $class
     * @param string $name
     * @param string $reverseClass
     * @param string $reverseName
     */
    private function registerReversedRelationship($class, $name, $reverseClass, $reverseName)
    {
        // NOTE:
        // this function relies it would be called after
        // `registerRelationshipType` which prevents duplicate registrations

        $this->reversedRelationships[$class][$name] = [$reverseClass, $reverseName];
    }
}