8225085521

Committed 10 Mar 2024 10:09PM UTC coverage: 87.656% (-0.3%) from 87.969%

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Commit Message

removed legacy services names

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91.55

/src/Caching/Cache.php

<?php

/**
 * This file is part of the Nette Framework (https://nette.org)
 * Copyright (c) 2004 David Grudl (https://davidgrudl.com)
 */

declare(strict_types=1);

namespace Nette\Caching;

use Nette;


/**
 * Implements the cache for a application.
 */
class Cache
{
        /** dependency */
        public const
                Priority = 'priority',
                Expire = 'expire',
                Sliding = 'sliding',
                Tags = 'tags',
                Files = 'files',
                Items = 'items',
                Constants = 'consts',
                Callbacks = 'callbacks',
                Namespaces = 'namespaces',
                All = 'all';

        /** @deprecated use Cache::Priority */
        public const PRIORITY = self::Priority;

        /** @deprecated use Cache::Expire */
        public const EXPIRATION = self::Expire;

        /** @deprecated use Cache::Expire */
        public const EXPIRE = self::Expire;

        /** @deprecated use Cache::Sliding */
        public const SLIDING = self::Sliding;

        /** @deprecated use Cache::Tags */
        public const TAGS = self::Tags;

        /** @deprecated use Cache::Files */
        public const FILES = self::Files;

        /** @deprecated use Cache::Items */
        public const ITEMS = self::Items;

        /** @deprecated use Cache::Constants */
        public const CONSTS = self::Constants;

        /** @deprecated use Cache::Callbacks */
        public const CALLBACKS = self::Callbacks;

        /** @deprecated use Cache::Namespaces */
        public const NAMESPACES = self::Namespaces;

        /** @deprecated use Cache::All */
        public const ALL = self::All;

        /** @internal */
        public const NamespaceSeparator = "\x00";

        private Storage $storage;
        private string $namespace;


        public function __construct(Storage $storage, ?string $namespace = null)
        {
                $this->storage = $storage;
                $this->namespace = $namespace . self::NamespaceSeparator;
        }


        /**
         * Returns cache storage.
         */
        final public function getStorage(): Storage
        {
                return $this->storage;
        }


        /**
         * Returns cache namespace.
         */
        final public function getNamespace(): string
        {
                return substr($this->namespace, 0, -1);
        }


        /**
         * Returns new nested cache object.
         */
        public function derive(string $namespace): static
        {
                return new static($this->storage, $this->namespace . $namespace);
        }


        /**
         * Reads the specified item from the cache or generate it.
         */
        public function load(mixed $key, ?callable $generator = null, ?array $dependencies = null): mixed
        {
                $storageKey = $this->generateKey($key);
                $data = $this->storage->read($storageKey);
                if ($data === null && $generator) {
                        $this->storage->lock($storageKey);
                        try {
                                $data = $generator(...[&$dependencies]);
                        } catch (\Throwable $e) {
                                $this->storage->remove($storageKey);
                                throw $e;
                        }

                        $this->save($key, $data, $dependencies);
                }

                return $data;
        }


        /**
         * Reads multiple items from the cache.
         */
        public function bulkLoad(array $keys, ?callable $generator = null): array
        {
                if (count($keys) === 0) {
                        return [];
                }

                foreach ($keys as $key) {
                        if (!is_scalar($key)) {
                                throw new Nette\InvalidArgumentException('Only scalar keys are allowed in bulkLoad()');
                        }
                }

                $result = [];
                if (!$this->storage instanceof BulkReader) {
                        foreach ($keys as $key) {
                                $result[$key] = $this->load(
                                        $key,
                                        $generator
                                                ? fn(&$dependencies) => $generator(...[$key, &$dependencies])
                                                : null,
                                );
                        }

                        return $result;
                }

                $storageKeys = array_map([$this, 'generateKey'], $keys);
                $cacheData = $this->storage->bulkRead($storageKeys);
                foreach ($keys as $i => $key) {
                        $storageKey = $storageKeys[$i];
                        if (isset($cacheData[$storageKey])) {
                                $result[$key] = $cacheData[$storageKey];
                        } elseif ($generator) {
                                $result[$key] = $this->load($key, fn(&$dependencies) => $generator(...[$key, &$dependencies]));
                        } else {
                                $result[$key] = null;
                        }
                }

                return $result;
        }


        /**
         * Writes item into the cache.
         * Dependencies are:
         * - Cache::Priority => (int) priority
         * - Cache::Expire => (timestamp) expiration, infinite if null
         * - Cache::Sliding => (bool) use sliding expiration?
         * - Cache::Tags => (array) tags
         * - Cache::Files => (array|string) file names
         * - Cache::Items => (array|string) cache items
         * - Cache::Constants => (array|string) cache items
         * @return mixed  value itself
         * @throws Nette\InvalidArgumentException
         */
        public function save(mixed $key, mixed $data, ?array $dependencies = null): mixed
        {
                $key = $this->generateKey($key);

                if ($data instanceof \Closure) {
                        $this->storage->lock($key);
                        try {
                                $data = $data(...[&$dependencies]);
                        } catch (\Throwable $e) {
                                $this->storage->remove($key);
                                throw $e;
                        }
                }

                if ($data === null) {
                        $this->storage->remove($key);
                        return null;
                } else {
                        $dependencies = $this->completeDependencies($dependencies);
                        if (isset($dependencies[self::Expire]) && $dependencies[self::Expire] <= 0) {
                                $this->storage->remove($key);
                        } else {
                                $this->storage->write($key, $data, $dependencies);
                        }

                        return $data;
                }
        }


        /**
         * Writes multiple items into cache
         */
        public function bulkSave(array $items, ?array $dependencies = null): void
        {
                $write = $remove = [];

                if (!$this->storage instanceof BulkWriter) {
                        foreach ($items as $key => $data) {
                                $this->save($key, $data, $dependencies);
                        }
                        return;
                }

                $dependencies = $this->completeDependencies($dependencies);
                if (isset($dependencies[self::Expire]) && $dependencies[self::Expire] <= 0) {
                        $this->storage->bulkRemove(array_map(fn($key) => $this->generateKey($key), array_keys($items)));
                        return;
                }

                foreach ($items as $key => $data) {
                        $key = $this->generateKey($key);
                        if ($data === null) {
                                $remove[] = $key;
                        } else {
                                $write[$key] = $data;
                        }
                }

                if ($remove) {
                        $this->storage->bulkRemove($remove);
                }

                if ($write) {
                        $this->storage->bulkWrite($write, $dependencies);
                }
        }


        private function completeDependencies(?array $dp): array
        {
                // convert expire into relative amount of seconds
                if (isset($dp[self::Expire])) {
                        $dp[self::Expire] = Nette\Utils\DateTime::from($dp[self::Expire])->format('U') - time();
                }

                // make list from TAGS
                if (isset($dp[self::Tags])) {
                        $dp[self::Tags] = array_values((array) $dp[self::Tags]);
                }

                // make list from NAMESPACES
                if (isset($dp[self::Namespaces])) {
                        $dp[self::Namespaces] = array_values((array) $dp[self::Namespaces]);
                }

                // convert FILES into CALLBACKS
                if (isset($dp[self::Files])) {
                        foreach (array_unique((array) $dp[self::Files]) as $item) {
                                $dp[self::Callbacks][] = [[self::class, 'checkFile'], $item, @filemtime($item) ?: null]; // @ - stat may fail
                        }

                        unset($dp[self::Files]);
                }

                // add namespaces to items
                if (isset($dp[self::Items])) {
                        $dp[self::Items] = array_unique(array_map([$this, 'generateKey'], (array) $dp[self::Items]));
                }

                // convert CONSTS into CALLBACKS
                if (isset($dp[self::Constants])) {
                        foreach (array_unique((array) $dp[self::Constants]) as $item) {
                                $dp[self::Callbacks][] = [[self::class, 'checkConst'], $item, constant($item)];
                        }

                        unset($dp[self::Constants]);
                }

                if (!is_array($dp)) {
                        $dp = [];
                }

                return $dp;
        }


        /**
         * Removes item from the cache.
         */
        public function remove(mixed $key): void
        {
                $this->save($key, null);
        }


        /**
         * Removes items from the cache by conditions.
         * Conditions are:
         * - Cache::Priority => (int) priority
         * - Cache::Tags => (array) tags
         * - Cache::All => true
         */
        public function clean(?array $conditions = null): void
        {
                $conditions = (array) $conditions;
                if (isset($conditions[self::Tags])) {
                        $conditions[self::Tags] = array_values((array) $conditions[self::Tags]);
                }

                $this->storage->clean($conditions);
        }


        /**
         * Caches results of function/method calls.
         */
        public function call(callable $function): mixed
        {
                $key = func_get_args();
                if (is_array($function) && is_object($function[0])) {
                        $key[0][0] = get_class($function[0]);
                }

                return $this->load($key, fn() => $function(...array_slice($key, 1)));
        }


        /**
         * Caches results of function/method calls.
         */
        public function wrap(callable $function, ?array $dependencies = null): \Closure
        {
                return function () use ($function, $dependencies) {
                        $key = [$function, $args = func_get_args()];
                        if (is_array($function) && is_object($function[0])) {
                                $key[0][0] = get_class($function[0]);
                        }

                        return $this->load($key, function (&$deps) use ($function, $args, $dependencies) {
                                $deps = $dependencies;
                                return $function(...$args);
                        });
                };
        }


        /**
         * Starts the output cache.
         */
        public function capture(mixed $key): ?OutputHelper
        {
                $data = $this->load($key);
                if ($data === null) {
                        return new OutputHelper($this, $key);
                }

                echo $data;
                return null;
        }


        /**
         * @deprecated  use capture()
         */
        public function start($key): ?OutputHelper
        {
                trigger_error(__METHOD__ . '() was renamed to capture()', E_USER_DEPRECATED);
                return $this->capture($key);
        }


        /**
         * Generates internal cache key.
         */
        protected function generateKey($key): string
        {
                return $this->namespace . md5(is_scalar($key) ? (string) $key : serialize($key));
        }


        /********************* dependency checkers ****************d*g**/


        /**
         * Checks CALLBACKS dependencies.
         */
        public static function checkCallbacks(array $callbacks): bool
        {
                foreach ($callbacks as $callback) {
                        if (!array_shift($callback)(...$callback)) {
                                return false;
                        }
                }

                return true;
        }


        /**
         * Checks CONSTS dependency.
         */
        private static function checkConst(string $const, $value): bool
        {
                return defined($const) && constant($const) === $value;
        }


        /**
         * Checks FILES dependency.
         */
        private static function checkFile(string $file, ?int $time): bool
        {
                return @filemtime($file) == $time; // @ - stat may fail
        }
}

1	<?php
2
3	/**
4	* This file is part of the Nette Framework (https://nette.org)
5	* Copyright (c) 2004 David Grudl (https://davidgrudl.com)
6	*/
7
8	declare(strict_types=1);
9
10	namespace Nette\Caching;
11
12	use Nette;
13
14
15	/**
16	* Implements the cache for a application.
17	*/
18	class Cache
19	{
20	/** dependency */
21	public const
22	Priority = 'priority',
23	Expire = 'expire',
24	Sliding = 'sliding',
25	Tags = 'tags',
26	Files = 'files',
27	Items = 'items',
28	Constants = 'consts',
29	Callbacks = 'callbacks',
30	Namespaces = 'namespaces',
31	All = 'all';
32
33	/** @deprecated use Cache::Priority */
34	public const PRIORITY = self::Priority;
35
36	/** @deprecated use Cache::Expire */
37	public const EXPIRATION = self::Expire;
38
39	/** @deprecated use Cache::Expire */
40	public const EXPIRE = self::Expire;
41
42	/** @deprecated use Cache::Sliding */
43	public const SLIDING = self::Sliding;
44
45	/** @deprecated use Cache::Tags */
46	public const TAGS = self::Tags;
47
48	/** @deprecated use Cache::Files */
49	public const FILES = self::Files;
50
51	/** @deprecated use Cache::Items */
52	public const ITEMS = self::Items;
53
54	/** @deprecated use Cache::Constants */
55	public const CONSTS = self::Constants;
56
57	/** @deprecated use Cache::Callbacks */
58	public const CALLBACKS = self::Callbacks;
59
60	/** @deprecated use Cache::Namespaces */
61	public const NAMESPACES = self::Namespaces;
62
63	/** @deprecated use Cache::All */
64	public const ALL = self::All;
65
66	/** @internal */
67	public const NamespaceSeparator = "\x00";
68
69	private Storage $storage;
70	private string $namespace;
71
72
73	public function __construct(Storage $storage, ?string $namespace = null)	1✔
74	{
75	$this->storage = $storage;	1✔
76	$this->namespace = $namespace . self::NamespaceSeparator;	1✔
77	}	1✔
78
79
80	/**
81	* Returns cache storage.
82	*/
83	final public function getStorage(): Storage
84	{
85	return $this->storage;	×
86	}
87
88
89	/**
90	* Returns cache namespace.
91	*/
92	final public function getNamespace(): string
93	{
94	return substr($this->namespace, 0, -1);	1✔
95	}
96
97
98	/**
99	* Returns new nested cache object.
100	*/
101	public function derive(string $namespace): static	1✔
102	{
103	return new static($this->storage, $this->namespace . $namespace);	1✔
104	}
105
106
107	/**
108	* Reads the specified item from the cache or generate it.
109	*/
110	public function load(mixed $key, ?callable $generator = null, ?array $dependencies = null): mixed	1✔
111	{
112	$storageKey = $this->generateKey($key);	1✔
113	$data = $this->storage->read($storageKey);	1✔
114	if ($data === null && $generator) {	1✔
115	$this->storage->lock($storageKey);	1✔
116	try {
117	$data = $generator(...[&$dependencies]);	1✔
118	} catch (\Throwable $e) {	1✔
119	$this->storage->remove($storageKey);	1✔
120	throw $e;	1✔
121	}
122
123	$this->save($key, $data, $dependencies);	1✔
124	}
125
126	return $data;	1✔
127	}
128
129
130	/**
131	* Reads multiple items from the cache.
132	*/
133	public function bulkLoad(array $keys, ?callable $generator = null): array	1✔
134	{
135	if (count($keys) === 0) {	1✔
136	return [];	×
137	}
138
139	foreach ($keys as $key) {	1✔
140	if (!is_scalar($key)) {	1✔
141	throw new Nette\InvalidArgumentException('Only scalar keys are allowed in bulkLoad()');	1✔
142	}
143	}
144
145	$result = [];	1✔
146	if (!$this->storage instanceof BulkReader) {	1✔
147	foreach ($keys as $key) {	1✔
148	$result[$key] = $this->load(	1✔
149	$key,	1✔
150	$generator	1✔
151	? fn(&$dependencies) => $generator(...[$key, &$dependencies])	1✔
152	: null,	1✔
153	);
154	}
155
156	return $result;	1✔
157	}
158
159	$storageKeys = array_map([$this, 'generateKey'], $keys);	1✔
160	$cacheData = $this->storage->bulkRead($storageKeys);	1✔
161	foreach ($keys as $i => $key) {	1✔
162	$storageKey = $storageKeys[$i];	1✔
163	if (isset($cacheData[$storageKey])) {	1✔
164	$result[$key] = $cacheData[$storageKey];	1✔
165	} elseif ($generator) {	1✔
166	$result[$key] = $this->load($key, fn(&$dependencies) => $generator(...[$key, &$dependencies]));	1✔
167	} else {
168	$result[$key] = null;	1✔
169	}
170	}
171
172	return $result;	1✔
173	}
174
175
176	/**
177	* Writes item into the cache.
178	* Dependencies are:
179	* - Cache::Priority => (int) priority
180	* - Cache::Expire => (timestamp) expiration, infinite if null
181	* - Cache::Sliding => (bool) use sliding expiration?
182	* - Cache::Tags => (array) tags
183	* - Cache::Files => (array\|string) file names
184	* - Cache::Items => (array\|string) cache items
185	* - Cache::Constants => (array\|string) cache items
186	* @return mixed value itself
187	* @throws Nette\InvalidArgumentException
188	*/
189	public function save(mixed $key, mixed $data, ?array $dependencies = null): mixed	1✔
190	{
191	$key = $this->generateKey($key);	1✔
192
193	if ($data instanceof \Closure) {	1✔
194	$this->storage->lock($key);	1✔
195	try {
196	$data = $data(...[&$dependencies]);	1✔
197	} catch (\Throwable $e) {	×
198	$this->storage->remove($key);	×
199	throw $e;	×
200	}
201	}
202
203	if ($data === null) {	1✔
204	$this->storage->remove($key);	1✔
205	return null;	1✔
206	} else {
207	$dependencies = $this->completeDependencies($dependencies);	1✔
208	if (isset($dependencies[self::Expire]) && $dependencies[self::Expire] <= 0) {	1✔
209	$this->storage->remove($key);	1✔
210	} else {
211	$this->storage->write($key, $data, $dependencies);	1✔
212	}
213
214	return $data;	1✔
215	}
216	}
217
218
219	/**
220	* Writes multiple items into cache
221	*/
222	public function bulkSave(array $items, ?array $dependencies = null): void	1✔
223	{
224	$write = $remove = [];	1✔
225
226	if (!$this->storage instanceof BulkWriter) {	1✔
227	foreach ($items as $key => $data) {	1✔
228	$this->save($key, $data, $dependencies);	1✔
229	}
230	return;	1✔
231	}
232
233	$dependencies = $this->completeDependencies($dependencies);	1✔
234	if (isset($dependencies[self::Expire]) && $dependencies[self::Expire] <= 0) {	1✔
235	$this->storage->bulkRemove(array_map(fn($key) => $this->generateKey($key), array_keys($items)));	×
236	return;	×
237	}
238
239	foreach ($items as $key => $data) {	1✔
240	$key = $this->generateKey($key);	1✔
241	if ($data === null) {	1✔
242	$remove[] = $key;	×
243	} else {
244	$write[$key] = $data;	1✔
245	}
246	}
247
248	if ($remove) {	1✔
249	$this->storage->bulkRemove($remove);	×
250	}
251
252	if ($write) {	1✔
253	$this->storage->bulkWrite($write, $dependencies);	1✔
254	}
255	}	1✔
256
257
258	private function completeDependencies(?array $dp): array	1✔
259	{
260	// convert expire into relative amount of seconds
261	if (isset($dp[self::Expire])) {	1✔
262	$dp[self::Expire] = Nette\Utils\DateTime::from($dp[self::Expire])->format('U') - time();	1✔
263	}
264
265	// make list from TAGS
266	if (isset($dp[self::Tags])) {	1✔
267	$dp[self::Tags] = array_values((array) $dp[self::Tags]);	1✔
268	}
269
270	// make list from NAMESPACES
271	if (isset($dp[self::Namespaces])) {	1✔
272	$dp[self::Namespaces] = array_values((array) $dp[self::Namespaces]);	×
273	}
274
275	// convert FILES into CALLBACKS
276	if (isset($dp[self::Files])) {	1✔
277	foreach (array_unique((array) $dp[self::Files]) as $item) {	1✔
278	$dp[self::Callbacks][] = [[self::class, 'checkFile'], $item, @filemtime($item) ?: null]; // @ - stat may fail	1✔
279	}
280
281	unset($dp[self::Files]);	1✔
282	}
283
284	// add namespaces to items
285	if (isset($dp[self::Items])) {	1✔
286	$dp[self::Items] = array_unique(array_map([$this, 'generateKey'], (array) $dp[self::Items]));	1✔
287	}
288
289	// convert CONSTS into CALLBACKS
290	if (isset($dp[self::Constants])) {	1✔
291	foreach (array_unique((array) $dp[self::Constants]) as $item) {	1✔
292	$dp[self::Callbacks][] = [[self::class, 'checkConst'], $item, constant($item)];	1✔
293	}
294
295	unset($dp[self::Constants]);	1✔
296	}
297
298	if (!is_array($dp)) {	1✔
299	$dp = [];	1✔
300	}
301
302	return $dp;	1✔
303	}
304
305
306	/**
307	* Removes item from the cache.
308	*/
309	public function remove(mixed $key): void	1✔
310	{
311	$this->save($key, null);	1✔
312	}	1✔
313
314
315	/**
316	* Removes items from the cache by conditions.
317	* Conditions are:
318	* - Cache::Priority => (int) priority
319	* - Cache::Tags => (array) tags
320	* - Cache::All => true
321	*/
322	public function clean(?array $conditions = null): void	1✔
323	{
324	$conditions = (array) $conditions;	1✔
325	if (isset($conditions[self::Tags])) {	1✔
326	$conditions[self::Tags] = array_values((array) $conditions[self::Tags]);	1✔
327	}
328
329	$this->storage->clean($conditions);	1✔
330	}	1✔
331
332
333	/**
334	* Caches results of function/method calls.
335	*/
336	public function call(callable $function): mixed	1✔
337	{
338	$key = func_get_args();	1✔
339	if (is_array($function) && is_object($function[0])) {	1✔
340	$key[0][0] = get_class($function[0]);	1✔
341	}
342
343	return $this->load($key, fn() => $function(...array_slice($key, 1)));	1✔
344	}
345
346
347	/**
348	* Caches results of function/method calls.
349	*/
350	public function wrap(callable $function, ?array $dependencies = null): \Closure	1✔
351	{
352	return function () use ($function, $dependencies) {	1✔
353	$key = [$function, $args = func_get_args()];	1✔
354	if (is_array($function) && is_object($function[0])) {	1✔
355	$key[0][0] = get_class($function[0]);	1✔
356	}
357
358	return $this->load($key, function (&$deps) use ($function, $args, $dependencies) {	1✔
359	$deps = $dependencies;	1✔
360	return $function(...$args);	1✔
361	});	1✔
362	};	1✔
363	}
364
365
366	/**
367	* Starts the output cache.
368	*/
369	public function capture(mixed $key): ?OutputHelper	1✔
370	{
371	$data = $this->load($key);	1✔
372	if ($data === null) {	1✔
373	return new OutputHelper($this, $key);	1✔
374	}
375
376	echo $data;	1✔
377	return null;	1✔
378	}
379
380
381	/**
382	* @deprecated use capture()
383	*/
384	public function start($key): ?OutputHelper
385	{
386	trigger_error(__METHOD__ . '() was renamed to capture()', E_USER_DEPRECATED);	×
387	return $this->capture($key);	×
388	}
389
390
391	/**
392	* Generates internal cache key.
393	*/
394	protected function generateKey($key): string
395	{
396	return $this->namespace . md5(is_scalar($key) ? (string) $key : serialize($key));	1✔
397	}
398
399
400	/******************* dependency checkers *************dg**/
401
402
403	/**
404	* Checks CALLBACKS dependencies.
405	*/
406	public static function checkCallbacks(array $callbacks): bool	1✔
407	{
408	foreach ($callbacks as $callback) {	1✔
409	if (!array_shift($callback)(...$callback)) {	1✔
410	return false;	1✔
411	}
412	}
413
414	return true;	1✔
415	}
416
417
418	/**
419	* Checks CONSTS dependency.
420	*/
421	private static function checkConst(string $const, $value): bool	1✔
422	{
423	return defined($const) && constant($const) === $value;	1✔
424	}
425
426
427	/**
428	* Checks FILES dependency.
429	*/
430	private static function checkFile(string $file, ?int $time): bool	1✔
431	{
432	return @filemtime($file) == $time; // @ - stat may fail	1✔
433	}
434	}

nette / caching / 8225085521

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