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Implement Redis reset() method #118

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Implement Redis reset() method #118

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2 changes: 1 addition & 1 deletion src/Ganesha/Storage/Adapter/Redis.php
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Original file line number Diff line number Diff line change
Expand Up @@ -146,7 +146,7 @@ public function loadStatus(string $service): int

public function reset(): void
{
// TODO: Implement reset() method.
$this->redis->reset();
}

/**
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48 changes: 48 additions & 0 deletions src/Ganesha/Storage/Adapter/RedisStore.php
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Original file line number Diff line number Diff line change
Expand Up @@ -3,6 +3,7 @@
namespace Ackintosh\Ganesha\Storage\Adapter;

use Ackintosh\Ganesha\Exception\StorageException;
use Ackintosh\Ganesha\Storage;
use Exception;

class RedisStore
Expand Down Expand Up @@ -186,4 +187,51 @@ public function get(string $key)
throw new StorageException($exception->getMessage(), $exception->getCode(), $exception);
}
}

/**
* Resets the storage.
*
* @return void
*
* @throws StorageException
*/
public function reset(): void
{
try {
$redisPrefix = $this->redis->getOption(\Redis::OPT_PREFIX);
$ganeshaPrefix = Storage\StorageKeys::KEY_PREFIX;
$prefix = $redisPrefix . $ganeshaPrefix;
$suffixes = [
Storage\StorageKeys::KEY_SUFFIX_SUCCESS,
Storage\StorageKeys::KEY_SUFFIX_FAILURE,
Storage\StorageKeys::KEY_SUFFIX_REJECTION,
Storage\StorageKeys::KEY_SUFFIX_LAST_FAILURE_TIME,
Storage\StorageKeys::KEY_SUFFIX_STATUS,
];
$suffixesRegex = implode('|', array_map('preg_quote', $suffixes));

$iterator = null;
do {
$keys = $this->redis->scan($iterator, $prefix . '*');
if ($keys !== false) {
$keysToDelete = array_filter(array_map(function ($key) use ($prefix, $redisPrefix, $suffixesRegex) {
return preg_match("/^{$prefix}(.*)(?:$suffixesRegex)$/", $key) ? substr($key, strlen($redisPrefix)) : null;
}, $keys));

if (!empty($keysToDelete)) {
$deleted = $this->redis->del($keysToDelete);
if ($deleted !== count($keysToDelete)) {
throw new StorageException(sprintf(
"Failed to delete all keys. Deleted %d out of %d keys.",
$deleted,
count($keysToDelete)
));
}
}
}
} while ($iterator > 0);
} catch (Exception $exception) {
throw new StorageException($exception->getMessage(), $exception->getCode(), $exception);
}
}
}