Master backend architectures, REST API design, microservices, and server-side development across multiple languages. Use this as a central index to access specialized sub-skills.
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Generates PSR-6 Cache implementation for PHP 8.5. Creates CacheItemPoolInterface and CacheItemInterface implementations with TTL handling and deferred saves. Includes unit tests.
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설치 방법 보기설치하기 전에 에이전트에게 전달되는 지시 내용을 확인할 수 있습니다.
Generates PSR-6 compliant cache implementations following Psr\Cache\CacheItemPoolInterface and Psr\Cache\CacheItemInterface.
| Component | Description | Location |
|---|---|---|
| CacheItemPool | Pool implementation | src/Infrastructure/Cache/ |
| CacheItem | Item implementation | src/Infrastructure/Cache/ |
| Unit Tests | PHPUnit tests | tests/Unit/Infrastructure/Cache/ |
<?php
declare(strict_types=1);
namespace App\Infrastructure\Cache;
use DateInterval;
use DateTimeImmutable;
use DateTimeInterface;
use Psr\Cache\CacheItemInterface;
final class CacheItem implements CacheItemInterface
{
private mixed $value = null;
private bool $isHit = false;
private ?DateTimeImmutable $expiration = null;
public function __construct(
private readonly string $key,
) {
}
public function getKey(): string
{
return $this->key;
}
public function get(): mixed
{
return $this->isHit ? $this->value : null;
}
public function isHit(): bool
{
return $this->isHit;
}
public function set(mixed $value): static
{
$this->value = $value;
$this->isHit = true;
return $this;
}
public function expiresAt(?DateTimeInterface $expiration): static
{
$this->expiration = $expiration instanceof DateTimeImmutable
? $expiration
: ($expiration !== null
? DateTimeImmutable::createFromInterface($expiration)
: null);
return $this;
}
public function expiresAfter(int|DateInterval|null $time): static
{
if ($time === null) {
$this->expiration = null;
} elseif ($time instanceof DateInterval) {
$this->expiration = (new DateTimeImmutable())->add($time);
} else {
$this->expiration = (new DateTimeImmutable())->modify("+{$time} seconds");
}
return $this;
}
public function getExpiration(): ?DateTimeImmutable
{
return $this->expiration;
}
public function isExpired(): bool
{
if ($this->expiration === null) {
return false;
}
return $this->expiration < new DateTimeImmutable();
}
public function markAsHit(): void
{
$this->isHit = true;
}
public function markAsMiss(): void
{
$this->isHit = false;
}
}
<?php
declare(strict_types=1);
namespace App\Infrastructure\Cache;
use Psr\Cache\CacheItemInterface;
use Psr\Cache\CacheItemPoolInterface;
final class ArrayCachePool implements CacheItemPoolInterface
{
/** @var array<string, CacheItem> */
private array $items = [];
/** @var array<string, CacheItem> */
private array $deferred = [];
public function getItem(string $key): CacheItemInterface
{
$this->validateKey($key);
if (isset($this->deferred[$key])) {
return clone $this->deferred[$key];
}
if (isset($this->items[$key])) {
$item = $this->items[$key];
if (!$item->isExpired()) {
return clone $item;
}
unset($this->items[$key]);
}
$item = new CacheItem($key);
$item->markAsMiss();
return $item;
}
/** @return iterable<string, CacheItemInterface> */
public function getItems(array $keys = []): iterable
{
$items = [];
foreach ($keys as $key) {
$items[$key] = $this->getItem($key);
}
return $items;
}
public function hasItem(string $key): bool
{
$this->validateKey($key);
return $this->getItem($key)->isHit();
}
public function clear(): bool
{
$this->items = [];
$this->deferred = [];
return true;
}
public function deleteItem(string $key): bool
{
$this->validateKey($key);
unset($this->items[$key], $this->deferred[$key]);
return true;
}
public function deleteItems(array $keys): bool
{
foreach ($keys as $key) {
$this->deleteItem($key);
}
return true;
}
public function save(CacheItemInterface $item): bool
{
if (!$item instanceof CacheItem) {
return false;
}
$this->items[$item->getKey()] = $item;
unset($this->deferred[$item->getKey()]);
return true;
}
public function saveDeferred(CacheItemInterface $item): bool
{
if (!$item instanceof CacheItem) {
return false;
}
$this->deferred[$item->getKey()] = $item;
return true;
}
public function commit(): bool
{
foreach ($this->deferred as $item) {
$this->save($item);
}
$this->deferred = [];
return true;
}
private function validateKey(string $key): void
{
if ($key === '') {
throw new InvalidArgumentException('Cache key cannot be empty');
}
if (preg_match('/[{}()\/\\\\@:]/', $key)) {
throw new InvalidArgumentException(
'Cache key contains reserved characters: {}()/\\@:',
);
}
}
}
<?php
declare(strict_types=1);
namespace App\Tests\Unit\Infrastructure\Cache;
use App\Infrastructure\Cache\ArrayCachePool;
use PHPUnit\Framework\Attributes\CoversClass;
use PHPUnit\Framework\Attributes\Group;
use PHPUnit\Framework\Attributes\Test;
use PHPUnit\Framework\TestCase;
#[Group('unit')]
#[CoversClass(ArrayCachePool::class)]
final class ArrayCachePoolTest extends TestCase
{
private ArrayCachePool $pool;
protected function setUp(): void
{
$this->pool = new ArrayCachePool();
}
#[Test]
public function it_returns_miss_for_nonexistent_item(): void
{
$item = $this->pool->getItem('nonexistent');
self::assertFalse($item->isHit());
self::assertNull($item->get());
}
#[Test]
public function it_saves_and_retrieves_item(): void
{
$item = $this->pool->getItem('key');
$item->set('value');
$this->pool->save($item);
$retrieved = $this->pool->getItem('key');
self::assertTrue($retrieved->isHit());
self::assertSame('value', $retrieved->get());
}
#[Test]
public function it_handles_deferred_saves(): void
{
$item1 = $this->pool->getItem('key1')->set('value1');
$item2 = $this->pool->getItem('key2')->set('value2');
$this->pool->saveDeferred($item1);
$this->pool->saveDeferred($item2);
self::assertTrue($this->pool->getItem('key1')->isHit());
$this->pool->commit();
self::assertTrue($this->pool->getItem('key1')->isHit());
self::assertTrue($this->pool->getItem('key2')->isHit());
}
#[Test]
public function it_deletes_item(): void
{
$item = $this->pool->getItem('key')->set('value');
$this->pool->save($item);
$this->pool->deleteItem('key');
self::assertFalse($this->pool->hasItem('key'));
}
#[Test]
public function it_clears_all_items(): void
{
$this->pool->save($this->pool->getItem('key1')->set('value1'));
$this->pool->save($this->pool->getItem('key2')->set('value2'));
$this->pool->clear();
self::assertFalse($this->pool->hasItem('key1'));
self::assertFalse($this->pool->hasItem('key2'));
}
}
<?php
use App\Infrastructure\Cache\ArrayCachePool;
$pool = new ArrayCachePool();
// Get item (miss)
$item = $pool->getItem('user_123');
if (!$item->isHit()) {
$user = $userRepository->find(123);
$item->set($user);
$item->expiresAfter(3600); // 1 hour
$pool->save($item);
}
$user = $item->get();
// Deferred saves
$item1 = $pool->getItem('key1')->set('value1');
$item2 = $pool->getItem('key2')->set('value2');
$pool->saveDeferred($item1);
$pool->saveDeferred($item2);
$pool->commit();
{
"require": {
"psr/cache": "^3.0"
}
}
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Master backend architectures, REST API design, microservices, and server-side development across multiple languages. Use this as a central index to access specialized sub-skills.
한국어 요약은 준비 중입니다. 원문 설명을 표시하고 있습니다.
在每次回复中使用固定前缀并列出本次实际参考的指令/文件,便于校验是否遵循上下文与规则。
한국어 요약은 준비 중입니다. 원문 설명을 표시하고 있습니다.
Automate 21risk tasks via Rube MCP (Composio). Always search tools first for current schemas.
한국어 요약은 준비 중입니다. 원문 설명을 표시하고 있습니다.
Automate 2chat tasks via Rube MCP (Composio). Always search tools first for current schemas.
한국어 요약은 준비 중입니다. 원문 설명을 표시하고 있습니다.
Arquitecto de Soluciones Principal y Consultor Tecnológico de Andru.ia. Diagnostica y traza la hoja de ruta óptima para proyectos de IA en español.
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[00] META. Orchestrate skills into dynamic chains for complex tasks. Analyzes the task, discovers available skills, builds an optimal chain, explains why each skill is needed, and executes step-by-step with user confirmation. Use for any complex task requiring multiple thinking/research/analysis steps. Triggers on "plan this", "how to approach", "what's the strategy", "build a plan", or any multi-step problem requiring skill orchestration.
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