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#117: Avoid repeated calls to the configuration table - cache the entire table on the first request and use the cache in subsequent calls

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This commit is contained in:
Andy Heathershaw 2018-10-15 13:59:14 +01:00
parent d6d2420eb7
commit c0ab6a7acc
1 changed files with 24 additions and 4 deletions
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28
app/Helpers/ConfigHelper.php
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@ -2,17 +2,18 @@
namespace App\Helpers;
use App\Album;
use App\AlbumSources\AmazonS3Source;
use App\AlbumSources\IAlbumSource;
use App\AlbumSources\LocalFilesystemSource;
use App\AlbumSources\OpenStackSource;
use App\AlbumSources\OpenStackV1Source;
use App\AlbumSources\RackspaceSource;
use App\Configuration;
class ConfigHelper
{
/** @var mixed Cache of configuration values */
private $cache;
public function allowedAlbumViews()
{
return ['default', 'slideshow'];
@ -143,7 +144,12 @@ class ConfigHelper
public function get($key, $defaultIfUnset = true)
{
$config = Configuration::where('key', $key)->first();
if (is_null($this->cache))
{
$this->loadCache();
}
$config = isset($this->cache[$key]) ? $this->cache[$key] : null;
if (is_null($config))
{
@ -163,6 +169,7 @@ class ConfigHelper
{
$results = array();
/** @var Configuration $config */
foreach (Configuration::all() as $config)
{
$results[$config->key] = $config->value;
@ -173,13 +180,15 @@ class ConfigHelper
public function getOrCreateModel($key)
{
$config = Configuration::where('key', $key)->first();
$config = isset($this->cache[$key]) ? $this->cache[$key] : null;
if (is_null($config) || $config === false)
{
$config = new Configuration();
$config->key = $key;
$config->value = '';
$config->save();
$this->cache = $this->getAll();
}
return $config;
@ -191,4 +200,15 @@ class ConfigHelper
$this->get('social_twitter_login') ||
$this->get('social_google_login');
}
private function loadCache()
{
$this->cache = null;
/** @var Configuration $config */
foreach (Configuration::all() as $config)
{
$this->cache[$config->key] = $config;
}
}
}