FEATURE: cache most used SQL queries

app/CMS/Enumerations/ModulesHandlerToId.php

@@ -2,6 +2,7 @@
 namespace App\CMS\Enumerations;
 
 use App\Models\Module;
+use Illuminate\Support\Facades\Cache;
 
 class ModulesHandlerToId extends BaseEnumeration
 {
@@ -12,7 +13,9 @@ class ModulesHandlerToId extends BaseEnumeration
      */
     protected static function init()
     {
-        $modules = Module::all(['handler', 'id']);
+        $modules = Cache::rememberForever('module-handler-to-id-enumeration', function () {
+            return Module::all(['handler', 'id']);
+        });
 
         foreach ($modules as $module) {
             self::push($module->handler, $module->id);

app/CMS/Helpers/CurrentTemplate.php

@@ -6,6 +6,7 @@ use App\Models\Content\Content;
 use App\Models\Module;
 use App\Models\User;
 use Illuminate\Database\QueryException;
+use Illuminate\Support\Facades\Cache;
 
 class CurrentTemplate implements TemplateHandler
 {
@@ -20,17 +21,20 @@ class CurrentTemplate implements TemplateHandler
     public static function get()
     {
         if (!self::$initialized) {
-            try {
+                self::$template = Cache::rememberForever('current-template', function () {
-                self::$template = Module::where('is_template', true)
+                    $template = Module::where('is_template', true)
                           ->where('enabled', true)
                           ->first();
-            } catch (QueryException $e) {
+
-                throw new \ErrorException('DB not migrated, please, do so!');
+                    // todo remove after adding $casts into Module model
-            }
+                    if ($template) {
-            if (self::$template) {
+                        $template->module_settings = json_decode($template->module_settings);
-                self::$template->module_settings = json_decode(self::$template->module_settings);
                     }
 
+                    return $template;
+                });
+
+
             self::$initialized = true;
         }
 

app/CMS/Helpers/Settings.php

@@ -3,6 +3,7 @@
 namespace App\CMS\Helpers;
 
 use App\Models\Settings as SettingsModel;
+use Illuminate\Support\Facades\Cache;
 
 /**
  * Class Settings
@@ -76,8 +77,10 @@ class Settings
     private static function init()
     {
         if (!self::$initialized) {
+            self::$settings = Cache::remember('settings', config('cache.settingCacheLifetime'), function () {
                 $model = new SettingsModel();
-            self::$settings = $model->getAll();
+                return $model->getAll();
+            });
         }
     }
 }

app/CMS/Helpers/WidgetAreas.php

@@ -2,6 +2,7 @@
 namespace App\CMS\Helpers;
 
 use App\Models\Widgets\WidgetArea;
+use Illuminate\Support\Facades\Cache;
 
 class WidgetAreas
 {
@@ -14,8 +15,9 @@ class WidgetAreas
     protected static function saveRenderedWidgetArea($widgets)
     {
         foreach ($widgets as $widget) {
-            if (!isset(self::$widgetAreas[$widget->widget_area_code]))
+            if (!isset(self::$widgetAreas[$widget->widget_area_code])) {
                 self::$widgetAreas[$widget->widget_area_code] = '';
+            }
 
             self::$widgetAreas[$widget->widget_area_code] .= Widget::render($widget);
         }
@@ -23,9 +25,11 @@ class WidgetAreas
 
     protected static function loadWidgetArea($uniqueCode)
     {
+        $widgets = Cache::remember('widget-' . $uniqueCode, setting('widgetCacheLifetime', 5), function () use ($uniqueCode) {
             $widgetArea = new WidgetArea();
-        $widgets = $widgetArea->getWidgets($uniqueCode)
+            return $widgetArea->getWidgets($uniqueCode)
                               ->get();
+        });
 
         WidgetArea::where('code', $uniqueCode)
                   ->increment('viewed');
@@ -35,12 +39,15 @@ class WidgetAreas
 
     protected static function initWidgetAreas()
     {
-        if (self::$initialized)
+        if (self::$initialized) {
             return;
+        }
 
+        $widgets = Cache::remember('widgets', setting('widgetCacheLifetime', 5), function () {
             $widgetArea = new WidgetArea();
-        $widgets = $widgetArea->getWidgets()
+            return $widgetArea->getWidgets()
                               ->get();
+        });
 
         self::saveRenderedWidgetArea($widgets);
         self::$initialized = true;

app/Console/Commands/InstallModule.php

@@ -5,6 +5,7 @@ namespace App\Console\Commands;
 use App\Models\Module;
 use Illuminate\Console\Command;
 use Illuminate\Contracts\Filesystem\FileNotFoundException;
+use Illuminate\Support\Facades\Cache;
 use Illuminate\Support\Facades\File;
 use Symfony\Component\Console\Exception\InvalidArgumentException;
 use Symfony\Component\Routing\Exception\MissingMandatoryParametersException;
@@ -63,6 +64,10 @@ class InstallModule extends Command
         // all mandatory fields are present, we can write it into database and create modules.json
         $this->installModule($config);
 
+        // delete cache
+        Cache::forget('enabled-modules');
+        Cache::forget('module-handler-to-id-enumeration');
+
         // inform user
         $this->line('Module ' . $name . ' successfuly installed');
     }

app/Console/Commands/SetTemplate.php

@@ -4,6 +4,7 @@ namespace App\Console\Commands;
 
 use App\Models\Module;
 use Illuminate\Console\Command;
+use Illuminate\Support\Facades\Cache;
 use Symfony\Component\HttpKernel\Exception\NotFoundHttpException;
 
 class SetTemplate extends Command
@@ -63,6 +64,9 @@ class SetTemplate extends Command
             return;
         }
 
+        // delete cached current template
+        Cache::forget('current-template');
+
         // theme written
         $this->line('Template successfully set up.');
 

app/Http/Controllers/Visitor/ContentPage.php

@@ -2,11 +2,12 @@
 
 namespace App\Http\Controllers\Visitor;
 
-use App\Models\Content\Content as ContentModel;
 use App\CMS\Contracts\Repositories\Content;
 use App\CMS\Helpers\PageRenderer;
 use App\Http\Controllers\Controller;
+use App\Models\Content\Content as ContentModel;
 use Illuminate\Support\Facades\Auth;
+use Illuminate\Support\Facades\Cache;
 
 class ContentPage extends Controller
 {
@@ -20,13 +21,15 @@ class ContentPage extends Controller
      */
     function __construct(Content $content)
     {
-
         $this->content = $content;
     }
 
     public function getPage($url)
     {
-        $page = $this->content->getByURL($url);
+        $contentModel = $this->content;
+        $page = Cache::remember('content-' . $url, setting('contentCacheLifetime', 5), function () use ($contentModel, $url) {
+            return $contentModel->getByURL($url);
+        });
 
         // no page available
         if (!$page) {

app/Http/Controllers/Visitor/Homepage.php

@@ -2,12 +2,17 @@
 
 namespace App\Http\Controllers\Visitor;
 
+use Illuminate\Support\Facades\Cache;
+
 class Homepage extends ContentPage
 {
     public function getIndex()
     {
         // try to find some homepage
-        $page = $this->content->getHomepage();
+        $contentModel = $this->content;
+        $page = Cache::remember('hp', setting('homepageCacheLifetime', 5), function () use ($contentModel) {
+            return $contentModel->getHomepage();
+        });
 
         // test if we have any homepage
         if (!$page) {

app/Providers/ModuleManager.php

@@ -3,6 +3,7 @@
 namespace App\Providers;
 
 use App\Models\Module;
+use Illuminate\Support\Facades\Cache;
 use Illuminate\Support\Facades\Log;
 use Illuminate\Support\ServiceProvider;
 
@@ -15,18 +16,19 @@ class ModuleManager extends ServiceProvider
     public function boot()
     {
         // this service provider needs published config - config is merged right after this service provider
-        try {
+        $modules = Cache::rememberForever('enabled-modules', function () {
             $modules = Module::where('enabled', true)
                              ->get();
-        } catch (\Exception $e) {
+
-            // ignore error
+            foreach ($modules as $module) {
-            return;
+                $module->module_settings = json_decode($module->module_settings);
             }
 
+            return $modules;
+        });
+
         // iterate over all modules and enable or disable them
         foreach ($modules as $module) {
-            $module->module_settings = json_decode($module->module_settings);
-
             if ($module->is_template) {
                 if (isset($module->module_settings->providers) && !empty($module->module_settings->providers)) {
                     foreach ($module->module_settings->providers as $provider) {

config/cache.php

@@ -14,6 +14,7 @@ return [
     */
 
     'default'              => env('CACHE_DRIVER', 'file'),
+    'settingCacheLifetime' => env('SETTING_CACHE_LIFETIME', 10),
 
     /*
     |--------------------------------------------------------------------------
@@ -51,7 +52,9 @@ return [
             'driver'  => 'memcached',
             'servers' => [
                 [
-                    'host' => '127.0.0.1', 'port' => 11211, 'weight' => 100,
+                    'host'   => '127.0.0.1',
+                    'port'   => 11211,
+                    'weight' => 100,
                 ],
             ],
         ],