ServiceProvider::init() - Code Metrics - Inspection of "moved ServiceProvider::formatDate and ServiceProvi..." - philiplb/CRUDlex - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — master ( eaeb56...0fd03b )

by Philip

created 2016-09-15 22:08 UTC

ServiceProvider::init() A

↳ Parent: ServiceProvider

Complexity

Conditions	2
Paths	2

Size

Total Lines	22
Code Lines	13

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
dl	0
loc	22
rs	9.2
c	0
b	0
f	0
cc	2
eloc	13
nc	2
nop	5

<?php

/*
 * This file is part of the CRUDlex package.
 *
 * (c) Philip Lehmann-Böhm <[email protected]>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace CRUDlex;

use Pimple\Container;
use Pimple\ServiceProviderInterface;
use Silex\Provider\LocaleServiceProvider;
use Silex\Provider\SessionServiceProvider;
use Silex\Provider\TranslationServiceProvider;
use Silex\Provider\TwigServiceProvider;
use Symfony\Component\Translation\Loader\YamlFileLoader;
use Symfony\Component\Yaml\Yaml;

/**
 * The ServiceProvider setups and initializes the whole CRUD system.
 * After adding it to your Silex-setup, it offers access to {@see AbstractData}
 * instances, one for each defined entity off the CRUD YAML file.
 */
class ServiceProvider implements ServiceProviderInterface {

    /**
     * Holds the {@see AbstractData} instances.
     */
    protected $datas;

    /**
     * Holds whether we manage the i18n.
     */
    protected $manageI18n;

    /**
     * Reads and returns the contents of the given Yaml file. If
     * it goes wrong, it throws an exception.
     *
     * @param string $fileName
     * the file to read
     *
     * @return array
     * the file contents
     *
     * @throws \RuntimeException
     * thrown if the file could not be read or parsed
     */
    protected function readYaml($fileName) {
        try {
            $fileContent = file_get_contents($fileName);
            $parsedYaml  = Yaml::parse($fileContent);
            if (!is_array($parsedYaml)) {
                $parsedYaml = [];
            }
            return $parsedYaml;
        } catch (\Exception $e) {
            throw new \RuntimeException('Could not open CRUD file '.$fileName, $e->getCode(), $e);
        }
    }

    /**
     * Initializes needed but yet missing service providers.
     *
     * @param Container $app
     * the application container
     */
    protected function initMissingServiceProviders(Container $app) {

        if (!$app->offsetExists('translator')) {
            $app->register(new LocaleServiceProvider());
            $app->register(new TranslationServiceProvider(), [
                'locale_fallbacks' => ['en'],
            ]);
        }

        if (!$app->offsetExists('session')) {
            $app->register(new SessionServiceProvider());
        }

        if (!$app->offsetExists('twig')) {
            $app->register(new TwigServiceProvider());
            $app['twig.loader.filesystem']->addPath(__DIR__.'/../views/', 'crud');
        }
    }

    /**
     * Initializes the available locales.
     *
     * @param Container $app
     * the application container
     *
     * @return array
     * the available locales
     */
    protected function initLocales(Container $app) {
        $app['translator']->addLoader('yaml', new YamlFileLoader());
        $localeDir = __DIR__.'/../locales';
        $locales   = $this->getLocales();
        foreach ($locales as $locale) {
            $app['translator']->addResource('yaml', $localeDir.'/'.$locale.'.yml', $locale);
        }
        return $locales;
    }

    /**
     * Initializes the children of the data entries.
     */
    protected function initChildren() {
        foreach ($this->datas as $name => $data) {
            $fields = $data->getDefinition()->getFieldNames();
            foreach ($fields as $field) {
                if ($data->getDefinition()->getType($field) == 'reference') {
                    $this->datas[$data->getDefinition()->getReferenceEntity($field)]->getDefinition()->addChild($data->getDefinition()->getTable(), $field, $name);
                }
            }
        }
    }

    /**
     * Gets a map with localized entity labels from the CRUD YML.
     *
     * @param array $locales
     * the available locales
     * @param array $crud
     * the CRUD entity map
     *
     * @return array
     * the map with localized entity labels
     */
    protected function getLocaleLabels($locales, $crud) {
        $localeLabels = [];
        foreach ($locales as $locale) {
            if (array_key_exists('label_'.$locale, $crud)) {
                $localeLabels[$locale] = $crud['label_'.$locale];
            }
        }
        return $localeLabels;
    }

    /**
     * Configures the EntityDefinition according to the given
     * CRUD entity map.
     *
     * @param EntityDefinition $definition
     * the definition to configure
     * @param array $crud
     * the CRUD entity map
     */
    protected function configureDefinition(EntityDefinition $definition, array $crud) {
        $toConfigure = [
            'deleteCascade',
            'listFields',
            'filter',
            'childrenLabelFields',
            'pageSize',
            'initialSortField',
            'initialSortAscending'
        ];
        foreach ($toConfigure as $field) {
            if (array_key_exists($field, $crud)) {
                $function = 'set'.ucfirst($field);
                $definition->$function($crud[$field]);
            }
        }
    }

    /**
     * Creates and setups an EntityDefinition instance.
     *
     * @param Container $app
     * the application container
     * @param array $locales
     * the available locales
     * @param array $crud
     * the parsed YAML of a CRUD entity
     * @param string $name
     * the name of the entity
     *
     * @return EntityDefinition
     * the EntityDefinition good to go
     */
    protected function createDefinition(Container $app, array $locales, array $crud, $name) {
        $label               = array_key_exists('label', $crud) ? $crud['label'] : $name;
        $localeLabels        = $this->getLocaleLabels($locales, $crud);
        $standardFieldLabels = [
            'id' => $app['translator']->trans('crudlex.label.id'),
            'created_at' => $app['translator']->trans('crudlex.label.created_at'),
            'updated_at' => $app['translator']->trans('crudlex.label.updated_at')
        ];

        $factory = $app->offsetExists('crud.entitydefinitionfactory') ? $app['crud.entitydefinitionfactory'] : new EntityDefinitionFactory();

        $definition = $factory->createEntityDefinition(
            $crud['table'],
            $crud['fields'],
            $label,
            $localeLabels,
            $standardFieldLabels,
            $this
        );
        $this->configureDefinition($definition, $crud);
        return $definition;
    }

    /**
     * Validates the parsed entity definition.
     *
     * @param Container $app
     * the application container
     * @param array $entityDefinition
     * the entity definition to validate
     */
    protected function validateEntityDefinition(Container $app, array $entityDefinition) {
        $doValidate = !$app->offsetExists('crud.validateentitydefinition') || $app['crud.validateentitydefinition'] === true;
        if ($doValidate) {
            $validator = $app->offsetExists('crud.entitydefinitionvalidator')
                ? $app['crud.entitydefinitionvalidator']
                : new EntityDefinitionValidator();
            $validator->validate($entityDefinition);
        }
    }

    /**
     * Initializes the instance.
     *
     * @param DataFactoryInterface $dataFactory
     * the factory to create the concrete AbstractData instances
     * @param string $crudFile
     * the CRUD YAML file to parse
     * @param FileProcessorInterface $fileProcessor
     * the file processor used for file fields
     * @param boolean $manageI18n
     * holds whether we manage the i18n
     * @param Container $app
     * the application container
     */
    public function init(DataFactoryInterface $dataFactory, $crudFile, FileProcessorInterface $fileProcessor, $manageI18n, Container $app) {

        $parsedYaml = $this->readYaml($crudFile);

        $this->validateEntityDefinition($app, $parsedYaml);

        $this->initMissingServiceProviders($app);

        $this->manageI18n = $manageI18n;
        $locales          = $this->initLocales($app);
        $this->datas      = [];
        foreach ($parsedYaml as $name => $crud) {
            $definition         = $this->createDefinition($app, $locales, $crud, $name);
            $this->datas[$name] = $dataFactory->createData($definition, $fileProcessor);
        }

        $twigExtensions = new TwigExtensions();
        $twigExtensions->registerTwigExtensions($app);

        $this->initChildren();

    }

    /**
     * Implements ServiceProviderInterface::register() registering $app['crud'].
     * $app['crud'] contains an instance of the ServiceProvider afterwards.
     *
     * @param Container $app
     * the Container instance of the Silex application
     */
    public function register(Container $app) {
        $app['crud'] = function() use ($app) {
            $result        = new static();
            $fileProcessor = $app->offsetExists('crud.fileprocessor') ? $app['crud.fileprocessor'] : new SimpleFilesystemFileProcessor();
            $manageI18n    = $app->offsetExists('crud.manageI18n') ? $app['crud.manageI18n'] : true;
            $result->init($app['crud.datafactory'], $app['crud.file'], $fileProcessor, $manageI18n, $app);
            return $result;
        };
    }

    /**
     * Getter for the {@see AbstractData} instances.
     *
     * @param string $name
     * the entity name of the desired Data instance
     *
     * @return AbstractData
     * the AbstractData instance or null on invalid name
     */
    public function getData($name) {
        if (!array_key_exists($name, $this->datas)) {
            return null;
        }
        return $this->datas[$name];
    }

    /**
     * Getter for all available entity names.
     *
     * @return string[]
     * a list of all available entity names
     */
    public function getEntities() {
        return array_keys($this->datas);
    }

    /**
     * Determines the Twig template to use for the given parameters depending on
     * the existance of certain keys in the Container $app in this order:
     *
     * crud.$section.$action.$entity
     * crud.$section.$action
     * crud.$section
     *
     * If nothing exists, this string is returned: "@crud/<action>.twig"
     *
     * @param Container $app
     * the Silex application
     * @param string $section
     * the section of the template, either "layout" or "template"
     * @param string $action
     * the current calling action like "create" or "show"
     * @param string $entity
     * the current calling entity
     *
     * @return string
     * the best fitting template
     */
    public function getTemplate(Container $app, $section, $action, $entity) {
        $crudSection       = 'crud.'.$section;
        $crudSectionAction = $crudSection.'.'.$action;

        $offsets = [
            $crudSectionAction.'.'.$entity,
            $crudSection.'.'.$entity,
            $crudSectionAction,
            $crudSection
        ];
        foreach ($offsets as $offset) {
            if ($app->offsetExists($offset)) {
                return $app[$offset];
            }
        }

        return '@crud/'.$action.'.twig';
    }

    /**
     * Gets whether CRUDlex manages the i18n system.
     *
     * @return boolean
     * true if CRUDlex manages the i18n system
     */
    public function isManagingI18n() {
        return $this->manageI18n;
    }

    /**
     * Sets the locale to be used.
     *
     * @param string $locale
     * the locale to be used.
     */
    public function setLocale($locale) {
        foreach ($this->datas as $data) {
            $data->getDefinition()->setLocale($locale);
        }
    }

    /**
     * Gets the available locales.
     *
     * @return array
     * the available locales
     */
    public function getLocales() {
        $localeDir     = __DIR__.'/../locales';
        $languageFiles = scandir($localeDir);
        $locales       = [];
        foreach ($languageFiles as $languageFile) {
            if (in_array($languageFile, ['.', '..'])) {
                continue;
            }
            $extensionPos = strpos($languageFile, '.yml');
            if ($extensionPos !== false) {
                $locale    = substr($languageFile, 0, $extensionPos);
                $locales[] = $locale;
            }
        }
        sort($locales);
        return $locales;
    }

}


1			<?php
2
3			/*
4			* This file is part of the CRUDlex package.
5			*
6			* (c) Philip Lehmann-Böhm <[email protected]>
7			*
8			* For the full copyright and license information, please view the LICENSE
9			* file that was distributed with this source code.
10			*/
11
12			namespace CRUDlex;
13
14			use Pimple\Container;
15			use Pimple\ServiceProviderInterface;
16			use Silex\Provider\LocaleServiceProvider;
17			use Silex\Provider\SessionServiceProvider;
18			use Silex\Provider\TranslationServiceProvider;
19			use Silex\Provider\TwigServiceProvider;
20			use Symfony\Component\Translation\Loader\YamlFileLoader;
21			use Symfony\Component\Yaml\Yaml;
22
23			/**
24			* The ServiceProvider setups and initializes the whole CRUD system.
25			* After adding it to your Silex-setup, it offers access to {@see AbstractData}
26			* instances, one for each defined entity off the CRUD YAML file.
27			*/
28			class ServiceProvider implements ServiceProviderInterface {
29
30			/**
31			* Holds the {@see AbstractData} instances.
32			*/
33			protected $datas;
34
35			/**
36			* Holds whether we manage the i18n.
37			*/
38			protected $manageI18n;
39
40			/**
41			* Reads and returns the contents of the given Yaml file. If
42			* it goes wrong, it throws an exception.
43			*
44			* @param string $fileName
45			* the file to read
46			*
47			* @return array
48			* the file contents
49			*
50			* @throws \RuntimeException
51			* thrown if the file could not be read or parsed
52			*/
53			protected function readYaml($fileName) {
54			try {
55			$fileContent = file_get_contents($fileName);
56			$parsedYaml = Yaml::parse($fileContent);
57			if (!is_array($parsedYaml)) {
58			$parsedYaml = [];
59			}
60			return $parsedYaml;
61			} catch (\Exception $e) {
62			throw new \RuntimeException('Could not open CRUD file '.$fileName, $e->getCode(), $e);
63			}
64			}
65
66			/**
67			* Initializes needed but yet missing service providers.
68			*
69			* @param Container $app
70			* the application container
71			*/
72			protected function initMissingServiceProviders(Container $app) {
73
74			if (!$app->offsetExists('translator')) {
75			$app->register(new LocaleServiceProvider());
76			$app->register(new TranslationServiceProvider(), [
77			'locale_fallbacks' => ['en'],
78			]);
79			}
80
81			if (!$app->offsetExists('session')) {
82			$app->register(new SessionServiceProvider());
83			}
84
85			if (!$app->offsetExists('twig')) {
86			$app->register(new TwigServiceProvider());
87			$app['twig.loader.filesystem']->addPath(__DIR__.'/../views/', 'crud');
88			}
89			}
90
91			/**
92			* Initializes the available locales.
93			*
94			* @param Container $app
95			* the application container
96			*
97			* @return array
98			* the available locales
99			*/
100			protected function initLocales(Container $app) {
101			$app['translator']->addLoader('yaml', new YamlFileLoader());
102			$localeDir = __DIR__.'/../locales';
103			$locales = $this->getLocales();
104			foreach ($locales as $locale) {
105			$app['translator']->addResource('yaml', $localeDir.'/'.$locale.'.yml', $locale);
106			}
107			return $locales;
108			}
109
110			/**
111			* Initializes the children of the data entries.
112			*/
113			protected function initChildren() {
114			foreach ($this->datas as $name => $data) {
115			$fields = $data->getDefinition()->getFieldNames();
116			foreach ($fields as $field) {
117			if ($data->getDefinition()->getType($field) == 'reference') {
118			$this->datas[$data->getDefinition()->getReferenceEntity($field)]->getDefinition()->addChild($data->getDefinition()->getTable(), $field, $name);
119			}
120			}
121			}
122			}
123
124			/**
125			* Gets a map with localized entity labels from the CRUD YML.
126			*
127			* @param array $locales
128			* the available locales
129			* @param array $crud
130			* the CRUD entity map
131			*
132			* @return array
133			* the map with localized entity labels
134			*/
135			protected function getLocaleLabels($locales, $crud) {
136			$localeLabels = [];
137			foreach ($locales as $locale) {
138			if (array_key_exists('label_'.$locale, $crud)) {
139			$localeLabels[$locale] = $crud['label_'.$locale];
140			}
141			}
142			return $localeLabels;
143			}
144
145			/**
146			* Configures the EntityDefinition according to the given
147			* CRUD entity map.
148			*
149			* @param EntityDefinition $definition
150			* the definition to configure
151			* @param array $crud
152			* the CRUD entity map
153			*/
154			protected function configureDefinition(EntityDefinition $definition, array $crud) {
155			$toConfigure = [
156			'deleteCascade',
157			'listFields',
158			'filter',
159			'childrenLabelFields',
160			'pageSize',
161			'initialSortField',
162			'initialSortAscending'
163			];
164			foreach ($toConfigure as $field) {
165			if (array_key_exists($field, $crud)) {
166			$function = 'set'.ucfirst($field);
167			$definition->$function($crud[$field]);
168			}
169			}
170			}
171
172			/**
173			* Creates and setups an EntityDefinition instance.
174			*
175			* @param Container $app
176			* the application container
177			* @param array $locales
178			* the available locales
179			* @param array $crud
180			* the parsed YAML of a CRUD entity
181			* @param string $name
182			* the name of the entity
183			*
184			* @return EntityDefinition
185			* the EntityDefinition good to go
186			*/
187			protected function createDefinition(Container $app, array $locales, array $crud, $name) {
188			$label = array_key_exists('label', $crud) ? $crud['label'] : $name;
189			$localeLabels = $this->getLocaleLabels($locales, $crud);
190			$standardFieldLabels = [
191			'id' => $app['translator']->trans('crudlex.label.id'),
192			'created_at' => $app['translator']->trans('crudlex.label.created_at'),
193			'updated_at' => $app['translator']->trans('crudlex.label.updated_at')
194			];
195
196			$factory = $app->offsetExists('crud.entitydefinitionfactory') ? $app['crud.entitydefinitionfactory'] : new EntityDefinitionFactory();
197
198			$definition = $factory->createEntityDefinition(
199			$crud['table'],
200			$crud['fields'],
201			$label,
202			$localeLabels,
203			$standardFieldLabels,
204			$this
205			);
206			$this->configureDefinition($definition, $crud);
207			return $definition;
208			}
209
210			/**
211			* Validates the parsed entity definition.
212			*
213			* @param Container $app
214			* the application container
215			* @param array $entityDefinition
216			* the entity definition to validate
217			*/
218			protected function validateEntityDefinition(Container $app, array $entityDefinition) {
219			$doValidate = !$app->offsetExists('crud.validateentitydefinition') \|\| $app['crud.validateentitydefinition'] === true;
220			if ($doValidate) {
221			$validator = $app->offsetExists('crud.entitydefinitionvalidator')
222			? $app['crud.entitydefinitionvalidator']
223			: new EntityDefinitionValidator();
224			$validator->validate($entityDefinition);
225			}
226			}
227
228			/**
229			* Initializes the instance.
230			*
231			* @param DataFactoryInterface $dataFactory
232			* the factory to create the concrete AbstractData instances
233			* @param string $crudFile
234			* the CRUD YAML file to parse
235			* @param FileProcessorInterface $fileProcessor
236			* the file processor used for file fields
237			* @param boolean $manageI18n
238			* holds whether we manage the i18n
239			* @param Container $app
240			* the application container
241			*/
242			public function init(DataFactoryInterface $dataFactory, $crudFile, FileProcessorInterface $fileProcessor, $manageI18n, Container $app) {
243
244			$parsedYaml = $this->readYaml($crudFile);
245
246			$this->validateEntityDefinition($app, $parsedYaml);
247
248			$this->initMissingServiceProviders($app);
249
250			$this->manageI18n = $manageI18n;
251			$locales = $this->initLocales($app);
252			$this->datas = [];
253			foreach ($parsedYaml as $name => $crud) {
254			$definition = $this->createDefinition($app, $locales, $crud, $name);
255			$this->datas[$name] = $dataFactory->createData($definition, $fileProcessor);
256			}
257
258			$twigExtensions = new TwigExtensions();
259			$twigExtensions->registerTwigExtensions($app);
260
261			$this->initChildren();
262
263			}
264
265			/**
266			* Implements ServiceProviderInterface::register() registering $app['crud'].
267			* $app['crud'] contains an instance of the ServiceProvider afterwards.
268			*
269			* @param Container $app
270			* the Container instance of the Silex application
271			*/
272			public function register(Container $app) {
273			$app['crud'] = function() use ($app) {
274			$result = new static();
275			$fileProcessor = $app->offsetExists('crud.fileprocessor') ? $app['crud.fileprocessor'] : new SimpleFilesystemFileProcessor();
276			$manageI18n = $app->offsetExists('crud.manageI18n') ? $app['crud.manageI18n'] : true;
277			$result->init($app['crud.datafactory'], $app['crud.file'], $fileProcessor, $manageI18n, $app);
278			return $result;
279			};
280			}
281
282			/**
283			* Getter for the {@see AbstractData} instances.
284			*
285			* @param string $name
286			* the entity name of the desired Data instance
287			*
288			* @return AbstractData
289			* the AbstractData instance or null on invalid name
290			*/
291			public function getData($name) {
292			if (!array_key_exists($name, $this->datas)) {
293			return null;
294			}
295			return $this->datas[$name];
296			}
297
298			/**
299			* Getter for all available entity names.
300			*
301			* @return string[]
302			* a list of all available entity names
303			*/
304			public function getEntities() {
305			return array_keys($this->datas);
306			}
307
308			/**
309			* Determines the Twig template to use for the given parameters depending on
310			* the existance of certain keys in the Container $app in this order:
311			*
312			* crud.$section.$action.$entity
313			* crud.$section.$action
314			* crud.$section
315			*
316			* If nothing exists, this string is returned: "@crud/<action>.twig"
317			*
318			* @param Container $app
319			* the Silex application
320			* @param string $section
321			* the section of the template, either "layout" or "template"
322			* @param string $action
323			* the current calling action like "create" or "show"
324			* @param string $entity
325			* the current calling entity
326			*
327			* @return string
328			* the best fitting template
329			*/
330			public function getTemplate(Container $app, $section, $action, $entity) {
331			$crudSection = 'crud.'.$section;
332			$crudSectionAction = $crudSection.'.'.$action;
333
334			$offsets = [
335			$crudSectionAction.'.'.$entity,
336			$crudSection.'.'.$entity,
337			$crudSectionAction,
338			$crudSection
339			];
340			foreach ($offsets as $offset) {
341			if ($app->offsetExists($offset)) {
342			return $app[$offset];
343			}
344			}
345
346			return '@crud/'.$action.'.twig';
347			}
348
349			/**
350			* Gets whether CRUDlex manages the i18n system.
351			*
352			* @return boolean
353			* true if CRUDlex manages the i18n system
354			*/
355			public function isManagingI18n() {
356			return $this->manageI18n;
357			}
358
359			/**
360			* Sets the locale to be used.
361			*
362			* @param string $locale
363			* the locale to be used.
364			*/
365			public function setLocale($locale) {
366			foreach ($this->datas as $data) {
367			$data->getDefinition()->setLocale($locale);
368			}
369			}
370
371			/**
372			* Gets the available locales.
373			*
374			* @return array
375			* the available locales
376			*/
377			public function getLocales() {
378			$localeDir = __DIR__.'/../locales';
379			$languageFiles = scandir($localeDir);
380			$locales = [];
381			foreach ($languageFiles as $languageFile) {
382			if (in_array($languageFile, ['.', '..'])) {
383			continue;
384			}
385			$extensionPos = strpos($languageFile, '.yml');
386			if ($extensionPos !== false) {
387			$locale = substr($languageFile, 0, $extensionPos);
388			$locales[] = $locale;
389			}
390			}
391			sort($locales);
392			return $locales;
393			}
394
395			}
396

philiplb / CRUDlex

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ServiceProvider::init() A

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