Builder::mergeElements() - Code Metrics - Inspection of "A bunch o'f stuff" - magium/configuration-manager - Measure and Improve Code Quality continuously with Scrutinizer

Passed

Pull Request — develop (#35)

by Kevin

created 2017-02-22 16:15 UTC

Builder::mergeElements() C

↳ Parent: Builder

Complexity

Conditions	7
Paths	10

Size

Total Lines	22
Code Lines	14

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	14
CRAP Score	7

Importance

Changes

Metric	Value
dl	0
loc	22
ccs	14
cts	14
cp	1
rs	6.9811
c	0
b	0
f	0
cc	7
eloc	14
nc	10
nop	2
crap	7

<?php

namespace Magium\Configuration\Config;

use Interop\Container\ContainerInterface;
use Magium\Configuration\Config\Storage\StorageInterface as ConfigurationStorageInterface;
use Magium\Configuration\File\AdapterInterface;
use Magium\Configuration\File\Configuration\ConfigurationFileRepository;
use Magium\Configuration\File\Configuration\UnsupportedFileTypeException;
use Magium\Configuration\File\InvalidFileException;
use Magium\Configuration\InvalidConfigurationException;
use Zend\Cache\Storage\StorageInterface;

class Builder implements BuilderInterface
{

    protected $repository;
    protected $cache;
    protected $container;
    protected $hashAlgo;
    protected $storage;

    public function __construct(
        StorageInterface $cache,
        ConfigurationStorageInterface $storage,
        ConfigurationFileRepository $repository,
        ContainerInterface $container = null,
        $hashAlgo = 'sha1'
    )
    {
        $this->cache = $cache;
        $this->storage = $storage;
        $this->hashAlgo = $hashAlgo;
        $this->repository = $repository;
        $this->container = $container;
    }

    public function getConfigurationRepository()
    {
        return $this->repository;
    }

    public function getContainer()
    {
        if (!$this->container instanceof ContainerInterface) {
            throw new MissingContainerException(
                'You are using functionality that requires either a DI Container or Service Locator.  '
                . 'The container, or container adapter, must implement Interop\Container\ContainerInterface'
            );
        }
        return $this->container;
    }

    /**
     * Retrieves a list of files that have been registered
     *
     * @return ConfigurationFileRepository
     */

    public function getRegisteredConfigurationFiles()
    {
        return $this->repository;
    }

    /**
     * @param Config|null $config
     * @return Config
     * @throws InvalidConfigurationLocationException
     * @throws InvalidFileException
     * @throws
     */

    public function build($context = Config::CONTEXT_DEFAULT, ConfigInterface $config = null)
    {

        if (!$config instanceof Config) {
            $config = new Config('<config />');
        }

        $structure = $this->getMergedStructure();

        if (!$structure instanceof \SimpleXMLElement) {
            throw new InvalidConfigurationException('No configuration files provided');
        }

        $this->buildConfigurationObject($structure, $config, $context);

        return $config;
    }

    public function getMergedStructure()
    {
        $files = $this->getRegisteredConfigurationFiles();
        if (!count($files)) {
            throw new MissingConfigurationException('No configuration files have been provided.  Please add via registerConfigurationFile()');
        }

        $structure = null;
        foreach ($files as $file) {
            if (!$file instanceof AdapterInterface) {
                throw new InvalidFileException('Configuration file object must implement ' . AdapterInterface::class);
            }

            $simpleXml = $file->toXml();
            if (!$structure instanceof \SimpleXMLElement) {
                $structure = $simpleXml;
            } else {
                $this->mergeStructure($structure, $simpleXml);
            }
        }
        return $structure;
    }


    /**
     * @param \SimpleXMLElement $structure The object representing the merged configuration structure
     * @param \SimpleXmlElement $config An empty config object to be populated
     * @return Config The resulting configuration object
     */

    public function buildConfigurationObject(
        \SimpleXMLElement $structure,
        ConfigInterface $config,
        $context = Config::CONTEXT_DEFAULT
    )
    {
        $structure->registerXPathNamespace('s', 'http://www.magiumlib.com/Configuration');
        $elements = $structure->xpath('/*/s:section/s:group/s:element');
        foreach ($elements as $element) {
            if ($element instanceof \SimpleXMLElement) {
                $elementId = $element['id'];
                $group = $element->xpath('..')[0];
                $groupId = $group['id'];
                $section = $group->xpath('..')[0];
                $sectionId = $section['id'];
                $configPath = sprintf('%s/%s/%s', $sectionId, $groupId, $elementId);
                $value = $this->storage->getValue($configPath, $context);
                if ($value) {
                    if (isset($element['callbackFromStorage'])) {
                        $callbackString = (string)$element['callbackFromStorage'];
                        $callback = explode('::', $callbackString);
                        if (count($callback) == 2) {
                            $callback[0] = $this->getContainer()->get($element['callbackFromStorage']);
                        } else {
                            $callback = array_shift($callback);
                        }
                        if (!is_callable($callback)) {
                            throw new UncallableCallbackException('Unable to execute callback: ' . $callbackString);
                        }
                        $value = call_user_func($callback, $value);
                    }
                } else {
                    $xpath = sprintf('/*/s:section[@id="%s"]/s:group[@id="%s"]/s:element[@id="%s"]/s:value',
                        $sectionId,
                        $groupId,
                        $elementId
                    );
                    $result = $structure->xpath($xpath);
                    if (!empty($result)) {
                        $value = trim((string)$result[0]);
                    }
                }

                if ($value) {
                    $config->$sectionId->$groupId->$elementId = $value;
                }
            }
        }
    }

    public function mergeStructure(\SimpleXMLElement $base, \SimpleXMLElement $new)
    {
        $base->registerXPathNamespace('s', 'http://www.magiumlib.com/Configuration');
        foreach ($new as $item) {
            if ($item instanceof \SimpleXMLElement) {
                $xpath = sprintf('/*/s:section[@id="%s"]', $item['id']);
                $sectionExists = $base->xpath($xpath);

                if (!empty($sectionExists) && $sectionExists[0] instanceof \SimpleXMLElement) {
                    $section = $sectionExists[0];
                } else {
                    $section = $base->addChild('section');
                }

                foreach ($item->attributes() as $name => $value) {
                    $section[$name] = $value;
                }
                if ($item->group) {
                    $this->mergeGroup($section, $item->group);
                }
            }
        }
    }

    protected function mergeGroup(\SimpleXMLElement $section, \SimpleXMLElement $newGroups)
    {
        $section->registerXPathNamespace('s', 'http://www.magiumlib.com/Configuration');
        foreach ($newGroups as $newGroup) {
            if ($newGroup instanceof \SimpleXMLElement) {
                $xpath = sprintf('./s:group[@id="%s"]', $newGroup['id']);
                $groupExists = $section->xpath($xpath);

                if (!empty($groupExists) && $groupExists[0] instanceof \SimpleXMLElement) {
                    $group = $groupExists[0];
                } else {
                    $group = $section->addChild('group');
                }
                foreach ($newGroup->attributes() as $name => $value) {
                    $group[$name] = $value;
                }
                $this->mergeElements($group, $newGroup->element);
            }
        }
    }

    protected function mergeElements(\SimpleXMLElement $group, \SimpleXMLElement $newElements)
    {
        $group->registerXPathNamespace('s', 'http://www.magiumlib.com/Configuration');
        foreach ($newElements as $newElement) {
            if ($newElement instanceof \SimpleXMLElement) {
                $xpath = sprintf('./s:element[@id="%s"]', $newElement['id']);
                $elementExists = $group->xpath($xpath);

                if (!empty($elementExists) && $elementExists[0] instanceof \SimpleXMLElement) {
                    $element = $elementExists[0];
                } else {
                    $element = $group->addChild('element');
                }
                foreach ($newElement->attributes() as $name => $value) {
                    $element[$name] = $value;
                }
                foreach ($newElement->children() as $key => $item) {
                    $element->$key = $item;
                }
            }
        }
    }

}


1			<?php
2
3			namespace Magium\Configuration\Config;
4
5			use Interop\Container\ContainerInterface;
6			use Magium\Configuration\Config\Storage\StorageInterface as ConfigurationStorageInterface;
7			use Magium\Configuration\File\AdapterInterface;
8			use Magium\Configuration\File\Configuration\ConfigurationFileRepository;
9			use Magium\Configuration\File\Configuration\UnsupportedFileTypeException;
10			use Magium\Configuration\File\InvalidFileException;
11			use Magium\Configuration\InvalidConfigurationException;
12			use Zend\Cache\Storage\StorageInterface;
13
14			class Builder implements BuilderInterface
15			{
16
17			protected $repository;
18			protected $cache;
19			protected $container;
20			protected $hashAlgo;
21			protected $storage;
22
23	17		public function __construct(
24			StorageInterface $cache,
25			ConfigurationStorageInterface $storage,
26			ConfigurationFileRepository $repository,
27			ContainerInterface $container = null,
28			$hashAlgo = 'sha1'
29			)
30			{
31	17		$this->cache = $cache;
32	17		$this->storage = $storage;
33	17		$this->hashAlgo = $hashAlgo;
34	17		$this->repository = $repository;
35	17		$this->container = $container;
36	17		}
37
38	2		public function getConfigurationRepository()
39			{
40	2		return $this->repository;
41			}
42
43	2		public function getContainer()
44			{
45	2		if (!$this->container instanceof ContainerInterface) {
46	1		throw new MissingContainerException(
47			'You are using functionality that requires either a DI Container or Service Locator. '
48	1		. 'The container, or container adapter, must implement Interop\Container\ContainerInterface'
49			);
50			}
51	1		return $this->container;
52			}
53
54			/**
55			* Retrieves a list of files that have been registered
56			*
57			* @return ConfigurationFileRepository
58			*/
59
60	4		public function getRegisteredConfigurationFiles()
61			{
62	4		return $this->repository;
63			}
64
65			/**
66			* @param Config\|null $config
67			* @return Config
68			* @throws InvalidConfigurationLocationException
69			* @throws InvalidFileException
70			* @throws
71			*/
72
73	5		public function build($context = Config::CONTEXT_DEFAULT, ConfigInterface $config = null)
74			{
75
76	5		if (!$config instanceof Config) {
77	5		$config = new Config('<config />');
78			}
79
80	5		$structure = $this->getMergedStructure();
81
82	3		if (!$structure instanceof \SimpleXMLElement) {
83	1		throw new InvalidConfigurationException('No configuration files provided');
84			}
85
86	2		$this->buildConfigurationObject($structure, $config, $context);
87
88	2		return $config;
89			}
90
91	5		public function getMergedStructure()
92			{
93	5		$files = $this->getRegisteredConfigurationFiles();
94	5		if (!count($files)) {
95	1		throw new MissingConfigurationException('No configuration files have been provided. Please add via registerConfigurationFile()');
96			}
97
98	4		$structure = null;
99	4		foreach ($files as $file) {
100	3		if (!$file instanceof AdapterInterface) {
101			throw new InvalidFileException('Configuration file object must implement ' . AdapterInterface::class);
102			}
103
104	3		$simpleXml = $file->toXml();
105	3		if (!$structure instanceof \SimpleXMLElement) {
106	3		$structure = $simpleXml;
107			} else {
108	3		$this->mergeStructure($structure, $simpleXml);
109			}
110			}
111	3		return $structure;
112			}
113
114
115			/**
116			* @param \SimpleXMLElement $structure The object representing the merged configuration structure
117			* @param \SimpleXmlElement $config An empty config object to be populated
118			* @return Config The resulting configuration object
119			*/
120
121	11		public function buildConfigurationObject(
122			\SimpleXMLElement $structure,
123			ConfigInterface $config,
124			$context = Config::CONTEXT_DEFAULT
125			)
126			{
127	11		$structure->registerXPathNamespace('s', 'http://www.magiumlib.com/Configuration');
128	11		$elements = $structure->xpath('/*/s:section/s:group/s:element');
129	11		foreach ($elements as $element) {
130	11		if ($element instanceof \SimpleXMLElement) {
131	11		$elementId = $element['id'];
132	11		$group = $element->xpath('..')[0];
133	11		$groupId = $group['id'];
134	11		$section = $group->xpath('..')[0];
135	11		$sectionId = $section['id'];
136	11		$configPath = sprintf('%s/%s/%s', $sectionId, $groupId, $elementId);
137	11		$value = $this->storage->getValue($configPath, $context);
138	11		if ($value) {
139	5		if (isset($element['callbackFromStorage'])) {
140	4		$callbackString = (string)$element['callbackFromStorage'];
141	4		$callback = explode('::', $callbackString);
142	4		if (count($callback) == 2) {
143	2		$callback[0] = $this->getContainer()->get($element['callbackFromStorage']);
144			} else {
145	2		$callback = array_shift($callback);
146			}
147	3		if (!is_callable($callback)) {
148	1		throw new UncallableCallbackException('Unable to execute callback: ' . $callbackString);
149			}
150	3		$value = call_user_func($callback, $value);
151			}
152			} else {
153	6		$xpath = sprintf('/*/s:section[@id="%s"]/s:group[@id="%s"]/s:element[@id="%s"]/s:value',
154			$sectionId,
155			$groupId,
156			$elementId
157			);
158	6		$result = $structure->xpath($xpath);
159	6		if (!empty($result)) {
160	6		$value = trim((string)$result[0]);
161			}
162			}
163
164	9		if ($value) {
165	9		$config->$sectionId->$groupId->$elementId = $value;
166			}
167			}
168			}
169	9		}
170
171	4	View Code Duplication	public function mergeStructure(\SimpleXMLElement $base, \SimpleXMLElement $new)
172			{
173	4		$base->registerXPathNamespace('s', 'http://www.magiumlib.com/Configuration');
174	4		foreach ($new as $item) {
175	4		if ($item instanceof \SimpleXMLElement) {
176	4		$xpath = sprintf('/*/s:section[@id="%s"]', $item['id']);
177	4		$sectionExists = $base->xpath($xpath);
178
179	4		if (!empty($sectionExists) && $sectionExists[0] instanceof \SimpleXMLElement) {
180	3		$section = $sectionExists[0];
181			} else {
182	1		$section = $base->addChild('section');
183			}
184
185	4		foreach ($item->attributes() as $name => $value) {
186	4		$section[$name] = $value;
187			}
188	4		if ($item->group) {
189	4		$this->mergeGroup($section, $item->group);
190			}
191			}
192			}
193	4		}
194
195	4	View Code Duplication	protected function mergeGroup(\SimpleXMLElement $section, \SimpleXMLElement $newGroups)
196			{
197	4		$section->registerXPathNamespace('s', 'http://www.magiumlib.com/Configuration');
198	4		foreach ($newGroups as $newGroup) {
199	4		if ($newGroup instanceof \SimpleXMLElement) {
200	4		$xpath = sprintf('./s:group[@id="%s"]', $newGroup['id']);
201	4		$groupExists = $section->xpath($xpath);
202
203	4		if (!empty($groupExists) && $groupExists[0] instanceof \SimpleXMLElement) {
204	3		$group = $groupExists[0];
205			} else {
206	2		$group = $section->addChild('group');
207			}
208	4		foreach ($newGroup->attributes() as $name => $value) {
209	4		$group[$name] = $value;
210			}
211	4		$this->mergeElements($group, $newGroup->element);
212			}
213			}
214	4		}
215
216	4		protected function mergeElements(\SimpleXMLElement $group, \SimpleXMLElement $newElements)
217			{
218	4		$group->registerXPathNamespace('s', 'http://www.magiumlib.com/Configuration');
219	4		foreach ($newElements as $newElement) {
220	4		if ($newElement instanceof \SimpleXMLElement) {
221	4		$xpath = sprintf('./s:element[@id="%s"]', $newElement['id']);
222	4		$elementExists = $group->xpath($xpath);
223
224	4		if (!empty($elementExists) && $elementExists[0] instanceof \SimpleXMLElement) {
225	1		$element = $elementExists[0];
226			} else {
227	4		$element = $group->addChild('element');
228			}
229	4		foreach ($newElement->attributes() as $name => $value) {
230	4		$element[$name] = $value;
231			}
232	4		foreach ($newElement->children() as $key => $item) {
233	4		$element->$key = $item;
234			}
235			}
236			}
237	4		}
238
239			}
240

magium / configuration-manager

Pull Request — develop (#35)

Builder::mergeElements() C

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