I18NAbleTrait::setLanguages() - Code Metrics - Maslosoft/Mangan - Measure and Improve Code Quality continuously with Scrutinizer

I18NAbleTrait::setLanguages() A
last analyzed 2021-06-22 16:13 UTC

↳ Parent: I18NAbleTrait

Complexity

Conditions	4
Paths	5

Size

Total Lines

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	9
CRAP Score	4.016

Importance

Changes

Metric	Value
dl	0
loc	17
ccs	9
cts	10
cp	0.9
rs	9.7
c	0
b	0
f	0
cc	4
nc	5
nop	2
crap	4.016

<?php

/**
 * This software package is licensed under AGPL or Commercial license.
 *
 * @package maslosoft/mangan
 * @licence AGPL or Commercial
 * @copyright Copyright (c) Piotr Masełkowski <[email protected]>
 * @copyright Copyright (c) Maslosoft
 * @copyright Copyright (c) Others as mentioned in code
 * @link https://maslosoft.com/mangan/
 */

namespace Maslosoft\Mangan\Traits;

use Maslosoft\Mangan\Events\Event;
use Maslosoft\Mangan\Events\ModelEvent;
use Maslosoft\Mangan\Helpers\CompositionIterator;
use Maslosoft\Mangan\Interfaces\InternationalInterface;
use Maslosoft\Mangan\Meta\ManganMeta;

/**
 * I18N-able trait contains basic implementation of I18N feature. This covers
 * methods from `InternationalInterface`.
 *
 * Use this trait to provide internationalized columns for models.
 *
 * @see InternationalInterface
 * @author Piotr Maselkowski <pmaselkowski at gmail.com>
 */
trait I18NAbleTrait
{

	private $_lang = 'en';
	private $_rawI18N = [];
	private $_languages = ['en'];
	private $_defaultLanguage = 'en';

	/**
	 * Get current working language code
	 * @return string Language code
	 * @Ignored
	 */
	public function getLang()
	{
		return $this->_lang? : $this->getDefaultLanguage();
	}

	/**
	 * Get available languages
	 * @return string[]
	 * @Ignored
	 */
	public function getLanguages()
	{
		return $this->_languages;
	}

	/**
	 * Get i18n values with all languages.
	 * This returns all language values of all class fields. Class field names are
	 * keys for arrays of language values, with language codes as a keys.
	 *
	 * Example returned variable:
	 * ```php
	 * [
	 * 		'name' => [
	 * 			'en' => 'January',
	 * 			'pl' => 'Styczeń'
	 * 		],
	 * 		'description' => [
	 * 			'en' => 'First mothn of a year'
	 * 			'pl' => 'Pierwszy miesiąc roku'
	 * 		]
	 * ]
	 * ```
	 * @return mixed[] Associative array of language values
	 * @Ignored
	 */
	public function getRawI18N()
	{
		$meta = ManganMeta::create($this);
		$fields = $meta->properties('i18n');

		// Set current model value for current language for each property
		foreach ($fields as $name => $i18n)
		{
			// This is to keep rawi18n value in sync with current model value.
			$this->_rawI18N[$name][$this->getLang()] = $this->$name;
		}
		return $this->_rawI18N;
	}

	/**
	 * Set language code. This changes current model language.
	 * After setting language model attributes will store values in different locale.
	 *
	 * Language code must be previously set by `setLanguages`.
	 * When trying to set undefined language code, method will do nothing.
	 * When setting already choosen language code, method will also ignore this call.
	 * Example method calls:
	 * ```php
	 * // Set available languages
	 * $model->setLanguages(['en', 'pl']);
	 *
	 * // Will ignore as en is by default
	 * $model->setLang('en');
	 *
	 * // Will set pl as language
	 * $model->setLang('pl');
	 *
	 * // Will ignore as ru is not available
	 * $model->setLang('ru')
	 * ```
	 *
	 * For initial call, when there are no data set yet, `$triggetEvents`
	 * can be set to false to improve performance.
	 *
	 * @param string $code
	 * @param boolean $triggerEvents
	 * @Ignored
	 */
	public function setLang($code, $triggerEvents = true)
	{
		// Ensure that calling with empty code will not set language
		// to empty value
		if(empty($code))
		{
			return false;
		}
		if ($this->_lang === $code)
		{
			return false;
		}
		if (!in_array($code, $this->getLanguages()))
		{
			$this->_languages[] = $code;
		}
		if(!$triggerEvents)
		{
			$this->_lang = $code;
			return true;
		}

		$it = new CompositionIterator($this);
		// Need a deep scan, as some objects
		// might have proxy documents that do not
		// implement InternationalInterface::class,
		// so those would be omitted. The setLang will
		// anyway not trigger if language is same as
		// currently set.
		$it->ofType(InternationalInterface::class);
		foreach($it as $model)
		{
			/* @var $model InternationalInterface */
			$model->setLang($code);
		}

		$event = new ModelEvent($this);
		$event->data = $code;
		if (!Event::valid($this, InternationalInterface::EventBeforeLangChange, $event))
		{
			return false;
		}
		$this->_changeAttributesLang($this->_lang, $code);
		$this->_lang = $code;
		Event::trigger($this, InternationalInterface::EventAfterLangChange, $event);
		return true;
	}

	/**
	 * Set available languages. This method accepts one parameter,
	 * array contaning language codes prefably in short ISO form.
	 *
	 * Example valid array and method calls:
	 *
	 * ```php
	 * $languages = ['en', 'pl', 'ru'];
	 * $model->setLanguages($languages);
	 * $model2->setLanguages(['en']);
	 * ```
	 *
	 * For initial call, when there are no data set yet, `$triggetEvents`
	 * can be set to false to improve performance.
	 *
	 * @param string[] $languages
	 * @param boolean $triggerEvents
	 * @Ignored
	 */
	public function setLanguages($languages, $triggerEvents = true)
	{
		if($triggerEvents)
		{
			$event = new ModelEvent($this);
			$event->data = $languages;
			if (!Event::valid($this, InternationalInterface::EventBeforeLanguagesSet, $event))
			{
				return;
			}
		}
		$this->_languages = $languages;
		if($triggerEvents)
		{
			Event::trigger($this, InternationalInterface::EventAfterLanguagesSet, $event);
		}
	}

	/**
	 * Set i18n values in all languages.
	 * This method must keep `$values` for further use, by method `getRawI18N`.
	 * @param mixed[] $values
	 * @Ignored
	 */
	public function setRawI18N($values)
	{
		$this->_rawI18N = $values;
	}

	/**
	 * Get default language used for I18N operations.
	 *
	 * If not previously set, will fall back to `en`.
	 *
	 * @return string
	 * @Ignored
	 */
	public function getDefaultLanguage()
	{
		return $this->_defaultLanguage? : 'en';
	}

	/**
	 * Set default language used for I18N operations. This language
	 * will be used if the `setLang` method was not called.
	 *
	 * The value should be language code, for example `en`
	 *
	 * @param string $language
	 * @Ignored
	 */
	public function setDefaultLanguage($language)
	{
		$this->_defaultLanguage = $language;
	}

	/**
	 * Change i18n attributes values to appropriate language
	 * @param string $fromCode
	 * @param string $toCode
	 */
	private function _changeAttributesLang($fromCode, $toCode)
	{
		$meta = ManganMeta::create($this);
		$fields = $meta->properties('i18n');
		$defaultLang = $this->getDefaultLanguage();
		foreach ($fields as $name => $i18n)
		{
			$current = $this->$name;
			if (isset($this->_rawI18N[$name]) && array_key_exists($toCode, $this->_rawI18N[$name]))
			{
				$new = $this->_rawI18N[$name][$toCode];
			}
			else
			{
				$i18n = $meta->field($name)->i18n;

				if($i18n->allowDefault && isset($this->_rawI18N[$name]) && array_key_exists($defaultLang, $this->_rawI18N[$name]))
				{
					$new = $this->_rawI18N[$name][$defaultLang];
				}
				elseif($i18n->allowAny && !empty($this->_rawI18N[$name]))
				{
					$wasFound = false;
					foreach($this->getLanguages() as $code)
					{
						if(!empty($this->_rawI18N[$name][$code]))
						{
							$new = $this->_rawI18N[$name][$code];
							$wasFound = true;
							break;
						}
					}
					if(!$wasFound)
					{
						$new = $meta->$name->default;
					}
				}
				else
				{
					$new = $meta->$name->default;
				}
			}
			$this->_rawI18N[$name][$fromCode] = $current;
			$this->$name = $new;
		}
	}

}


1		<?php
2
3		/**
4		* This software package is licensed under AGPL or Commercial license.
5		*
6		* @package maslosoft/mangan
7		* @licence AGPL or Commercial
8		* @copyright Copyright (c) Piotr Masełkowski <[email protected]>
9		* @copyright Copyright (c) Maslosoft
10		* @copyright Copyright (c) Others as mentioned in code
11		* @link https://maslosoft.com/mangan/
12		*/
13
14		namespace Maslosoft\Mangan\Traits;
15
16		use Maslosoft\Mangan\Events\Event;
17		use Maslosoft\Mangan\Events\ModelEvent;
18		use Maslosoft\Mangan\Helpers\CompositionIterator;
19		use Maslosoft\Mangan\Interfaces\InternationalInterface;
20		use Maslosoft\Mangan\Meta\ManganMeta;
21
22		/**
23		* I18N-able trait contains basic implementation of I18N feature. This covers
24		* methods from `InternationalInterface`.
25		*
26		* Use this trait to provide internationalized columns for models.
27		*
28		* @see InternationalInterface
29		* @author Piotr Maselkowski <pmaselkowski at gmail.com>
30		*/
31		trait I18NAbleTrait
32		{
33
34		private $_lang = 'en';
35		private $_rawI18N = [];
36		private $_languages = ['en'];
37		private $_defaultLanguage = 'en';
38
39		/**
40		* Get current working language code
41		* @return string Language code
42		* @Ignored
43		*/
44	80	public function getLang()
45		{
46	80	return $this->_lang? : $this->getDefaultLanguage();
47		}
48
49		/**
50		* Get available languages
51		* @return string[]
52		* @Ignored
53		*/
54	39	public function getLanguages()
55		{
56	39	return $this->_languages;
57		}
58
59		/**
60		* Get i18n values with all languages.
61		* This returns all language values of all class fields. Class field names are
62		* keys for arrays of language values, with language codes as a keys.
63		*
64		* Example returned variable:
65		* ```php
66		* [
67		* 'name' => [
68		* 'en' => 'January',
69		* 'pl' => 'Styczeń'
70		* ],
71		* 'description' => [
72		* 'en' => 'First mothn of a year'
73		* 'pl' => 'Pierwszy miesiąc roku'
74		* ]
75		* ]
76		* ```
77		* @return mixed[] Associative array of language values
78		* @Ignored
79		*/
80	31	public function getRawI18N()
81		{
82	31	$meta = ManganMeta::create($this);
83	31	$fields = $meta->properties('i18n');
84
85		// Set current model value for current language for each property
86	31	foreach ($fields as $name => $i18n)
87		{
88		// This is to keep rawi18n value in sync with current model value.
89	31	$this->_rawI18N[$name][$this->getLang()] = $this->$name;
90		}
91	31	return $this->_rawI18N;
92		}
93
94		/**
95		* Set language code. This changes current model language.
96		* After setting language model attributes will store values in different locale.
97		*
98		* Language code must be previously set by `setLanguages`.
99		* When trying to set undefined language code, method will do nothing.
100		* When setting already choosen language code, method will also ignore this call.
101		* Example method calls:
102		* ```php
103		* // Set available languages
104		* $model->setLanguages(['en', 'pl']);
105		*
106		* // Will ignore as en is by default
107		* $model->setLang('en');
108		*
109		* // Will set pl as language
110		* $model->setLang('pl');
111		*
112		* // Will ignore as ru is not available
113		* $model->setLang('ru')
114		* ```
115		*
116		* For initial call, when there are no data set yet, `$triggetEvents`
117		* can be set to false to improve performance.
118		*
119		* @param string $code
120		* @param boolean $triggerEvents
121		* @Ignored
122		*/
123	97	public function setLang($code, $triggerEvents = true)
124		{
125		// Ensure that calling with empty code will not set language
126		// to empty value
127	97	if(empty($code))
128		{
129	84	return false;
130		}
131	26	if ($this->_lang === $code)
132		{
133	23	return false;
134		}
135	15	if (!in_array($code, $this->getLanguages()))
136		{
137	11	$this->_languages[] = $code;
138		}
139	15	if(!$triggerEvents)
140		{
141	4	$this->_lang = $code;
142	4	return true;
143		}
144
145	11	$it = new CompositionIterator($this);
146		// Need a deep scan, as some objects
147		// might have proxy documents that do not
148		// implement InternationalInterface::class,
149		// so those would be omitted. The setLang will
150		// anyway not trigger if language is same as
151		// currently set.
152	11	$it->ofType(InternationalInterface::class);
153	11	foreach($it as $model)
154		{
155		/* @var $model InternationalInterface */
156	2	$model->setLang($code);
157		}
158
159	11	$event = new ModelEvent($this);
160	11	$event->data = $code;
161	11	if (!Event::valid($this, InternationalInterface::EventBeforeLangChange, $event))
162		{
163		return false;
164		}
165	11	$this->_changeAttributesLang($this->_lang, $code);
166	11	$this->_lang = $code;
167	11	Event::trigger($this, InternationalInterface::EventAfterLangChange, $event);
168	11	return true;
169		}
170
171		/**
172		* Set available languages. This method accepts one parameter,
173		* array contaning language codes prefably in short ISO form.
174		*
175		* Example valid array and method calls:
176		*
177		* ```php
178		* $languages = ['en', 'pl', 'ru'];
179		* $model->setLanguages($languages);
180		* $model2->setLanguages(['en']);
181		* ```
182		*
183		* For initial call, when there are no data set yet, `$triggetEvents`
184		* can be set to false to improve performance.
185		*
186		* @param string[] $languages
187		* @param boolean $triggerEvents
188		* @Ignored
189		*/
190	80	public function setLanguages($languages, $triggerEvents = true)
191		{
192	80	if($triggerEvents)
193		{
194	80	$event = new ModelEvent($this);
195	80	$event->data = $languages;
196	80	if (!Event::valid($this, InternationalInterface::EventBeforeLanguagesSet, $event))
197		{
198		return;
199		}
200		}
201	80	$this->_languages = $languages;
202	80	if($triggerEvents)
203		{
204	80	Event::trigger($this, InternationalInterface::EventAfterLanguagesSet, $event);
205		}
206	80	}
207
208		/**
209		* Set i18n values in all languages.
210		* This method must keep `$values` for further use, by method `getRawI18N`.
211		* @param mixed[] $values
212		* @Ignored
213		*/
214	15	public function setRawI18N($values)
215		{
216	15	$this->_rawI18N = $values;
217	15	}
218
219		/**
220		* Get default language used for I18N operations.
221		*
222		* If not previously set, will fall back to `en`.
223		*
224		* @return string
225		* @Ignored
226		*/
227	11	public function getDefaultLanguage()
228		{
229	11	return $this->_defaultLanguage? : 'en';
230		}
231
232		/**
233		* Set default language used for I18N operations. This language
234		* will be used if the `setLang` method was not called.
235		*
236		* The value should be language code, for example `en`
237		*
238		* @param string $language
239		* @Ignored
240		*/
241	1	public function setDefaultLanguage($language)
242		{
243	1	$this->_defaultLanguage = $language;
244	1	}
245
246		/**
247		* Change i18n attributes values to appropriate language
248		* @param string $fromCode
249		* @param string $toCode
250		*/
251	11	private function _changeAttributesLang($fromCode, $toCode)
252		{
253	11	$meta = ManganMeta::create($this);
254	11	$fields = $meta->properties('i18n');
255	11	$defaultLang = $this->getDefaultLanguage();
256	11	foreach ($fields as $name => $i18n)
257		{
258	11	$current = $this->$name;
259	11	if (isset($this->_rawI18N[$name]) && array_key_exists($toCode, $this->_rawI18N[$name]))
260		{
261	4	$new = $this->_rawI18N[$name][$toCode];
262		}
263		else
264		{
265	11	$i18n = $meta->field($name)->i18n;
266
267	11	if($i18n->allowDefault && isset($this->_rawI18N[$name]) && array_key_exists($defaultLang, $this->_rawI18N[$name]))
268		{
269	1	$new = $this->_rawI18N[$name][$defaultLang];
270		}
271	11	elseif($i18n->allowAny && !empty($this->_rawI18N[$name]))
272		{
273		$wasFound = false;
274		foreach($this->getLanguages() as $code)
275		{
276		if(!empty($this->_rawI18N[$name][$code]))
277		{
278		$new = $this->_rawI18N[$name][$code];
279		$wasFound = true;
280		break;
281		}
282		}
283		if(!$wasFound)
284		{
285		$new = $meta->$name->default;
286		}
287		}
288		else
289		{
290	11	$new = $meta->$name->default;
291		}
292		}
293	11	$this->_rawI18N[$name][$fromCode] = $current;
294	11	$this->$name = $new;
295		}
296	11	}
297
298		}
299

Maslosoft / Mangan

I18NAbleTrait::setLanguages() A last analyzed 2021-06-22 16:13 UTC

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I18NAbleTrait::setLanguages() A
last analyzed 2021-06-22 16:13 UTC