RedisCache::delete() - Code Metrics - Inspection of "BUMP CHANGELOG.md" - sfneal/redis-helpers - Measure and Improve Code Quality continuously with Scrutinizer

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Push — master ( 71b418...90ddab )

by Stephen

created 2021-01-26 19:44 UTC

RedisCache::delete() A

↳ Parent: RedisCache

Complexity

Conditions	1
Paths	1

Size

Total Lines	8
Code Lines	4

Duplication

Lines	0
Ratio	0 %

Importance

Changes	1
Bugs	0	Features	0

Metric	Value
cc	1
eloc	4
c	1
b	0
f	0
nc	1
nop	1
dl	0
loc	8
rs	10

<?php

namespace Sfneal\Helpers\Redis;

use Closure;
use Illuminate\Support\Facades\Cache;
use Sfneal\Actions\AbstractService;

class RedisCache extends AbstractService
{
    /**
     * Retrieve the Redis Key TTL from the config.
     *
     * @return int
     */
    public static function ttl(): int
    {
        return config('redis-helpers.ttl', 3600);
    }

    /**
     * Get items from the cache.
     *
     * @param string $key
     * @return mixed
     */
    public static function get(string $key)
    {
        return Cache::get($key);
    }

    /**
     * Put items in the cache with a TTL.
     *
     * Use's environment's REDIS_KEY_EXPIRATION value if $expiration is null.
     *
     * @param string $key
     * @param null $value

     * @param int|null $expiration
     * @return bool
     */
    public static function set(string $key, $value = null, int $expiration = null): bool
    {
        // Store the $value in the Cache
        // todo: optimize expiration call
        return Cache::put(
            $key,
            $value,
            (isset($expiration) ? $expiration : self::ttl())
        );
    }

    /**
     * Put an array of key value pairs into the cache with a TTL.
     *
     * @param array $array
     * @param int|null $expiration
     * @return array
     */
    public static function setMany(array $array, int $expiration = null): array
    {
        foreach ($array as $key => $value) {
            self::set($key, $value, $expiration);
        }

        return array_values($array);
    }

    /**
     * Add a TTL attribute (time to live or time til expiration) to a Redis key.
     *
     * @param string $key
     * @param null $expiration

     * @return bool
     */
    public static function expire(string $key, $expiration = null): bool
    {
        // Use environment REDIS_KEY_EXPIRATION value if not set
        if (! $expiration) {

            $expiration = self::ttl();
        }

        // Create a key value pair with a null value and a TTL if the key is missing
        if (self::missing($key)) {
            return self::set($key, null, $expiration);
        }

        // Create a key value pair with original value and a TTL if the key exists
        else {
            return self::set($key, self::get($key), $expiration);
        }
    }

    /**
     * Delete Redis key's from the Cache.
     *
     * @param $keys array|string
     * @return array
     */
    public static function delete($keys): array
    {
        // Returns an array of deleted keys with success values
        return collect((array) $keys)
            ->mapWithKeys(function (string $key) {
                return [$key => Cache::forget($key)];
            })
            ->toArray();
    }

    /**
     * Determine if a redis key exists in the cache.
     *
     * @param string $key
     * @return bool
     */
    public static function exists(string $key): bool
    {
        return Cache::has($key);
    }

    /**
     * Determine if a redis key is missing from the cache.
     *
     * @param string $key
     * @return bool
     */
    public static function missing(string $key): bool
    {
        return Cache::missing($key);
    }

    /**
     * Create a Redis Key with a null value if it is missing.
     *
     * @param string $key
     * @param null $value

     * @param null $expiration

     * @return bool
     */
    public static function setIfMissing(string $key, $value = null, $expiration = null): bool
    {
        // Create the redis Key with an expiration
        if (self::missing($key)) {
            self::set($key, $value, $expiration);

            return true;
        }

        // Not created
        return false;
    }

    /**
     * Increment a Redis Key's value & return the new value.
     *
     * @param string $key
     * @param int $value
     * @param int|null $expiration
     * @return mixed
     */
    public static function increment(string $key, int $value = 1, int $expiration = null)
    {
        // Create the Key if it's missing
        self::setIfMissing($key, 0, $expiration);
        self::setIfMissing($key, 0, /** @scrutinizer ignore-type */ $expiration);

        // Increment the value & return the new value
        return Cache::increment($key, $value);
    }

    /**
     * Flush the entire redis cache.
     *
     * @return mixed
     */
    public static function flush()
    {
        return Cache::flush();
    }

    /**
     * Flush the redis cache of all keys with environment's prefix.
     *
     * @return array
     */
    public static function clear(): array
    {
        return self::delete('');
    }

    /**
     * Pass a $callback function to be stored in the Cache for an amount of time.
     *
     * @param string $key
     * @param int $ttl
     * @param Closure $callback
     * @return mixed
     */
    public static function remember(string $key, int $ttl, Closure $callback)
    {
        return Cache::remember($key, $ttl, $callback);
    }

    /**
     * Pass a $callback function to be stored in the Cache forever.
     *
     * @param string $key
     * @param Closure $callback
     * @return mixed
     */
    public static function rememberForever(string $key, Closure $callback)
    {
        return Cache::rememberForever($key, $callback);
    }
}


sfneal / redis-helpers

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RedisCache::delete() A

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