Duplicate code is one of the most pungent code smells. A rule that is often used is to re-structure code once it is duplicated in three or more places.
Common duplication problems, and corresponding solutions are:
| 1 | <?php  | 
            ||
| 36 | use Laminas\I18n\Translator\Translator;  | 
            ||
| 37 | use Psr\Http\Server\MiddlewareInterface;  | 
            ||
| 38 | |||
| 39 | class ApplicationPackage implements RegistrationInterface  | 
            ||
| 40 | { | 
            ||
| 41 | /** @var array $config */  | 
            ||
| 42 | private $config;  | 
            ||
| 43 | |||
| 44 | /** @var Router $router */  | 
            ||
| 45 | private $router;  | 
            ||
| 46 | |||
| 47 | /** @var bool $i18nEnabledSite */  | 
            ||
| 48 | private $i18nEnabledSite = false;  | 
            ||
| 49 | |||
| 50 | /** @var array $supportedLocales */  | 
            ||
| 51 | private $supportedLocales = [];  | 
            ||
| 52 | |||
| 53 | /**  | 
            ||
| 54 | * ApplicationPackage constructor.  | 
            ||
| 55 | 9 | * @param array $config  | 
            |
| 56 | * @param Router $router  | 
            ||
| 57 | 9 | */  | 
            |
| 58 | 9 | public function __construct(array $config, Router $router)  | 
            |
| 59 | 9 |     { | 
            |
| 60 | $this->config = $config;  | 
            ||
| 61 | $this->router = $router;  | 
            ||
| 62 | }  | 
            ||
| 63 | |||
| 64 | 9 | /**  | 
            |
| 65 | * @param Container $c  | 
            ||
| 66 | 9 | */  | 
            |
| 67 | 9 | public function addToContainer(Container $c)  | 
            |
| 68 | 9 |     { | 
            |
| 69 | 9 | $this->setConfigArray($c);  | 
            |
| 70 | 9 | $this->setLocale($c);  | 
            |
| 71 | 9 | $this->setupLogs($c);  | 
            |
| 72 | 9 | $this->setupPdoConnection($c);  | 
            |
| 73 | 9 | $this->setupViewEngine($c);  | 
            |
| 74 | 9 | $this->initMiddlewareStack($c);  | 
            |
| 75 | 9 | $this->setupTranslator($c);  | 
            |
| 76 | 9 | $this->setupModules($c);  | 
            |
| 77 | 9 | $this->setupModuleViewOverrides($c);  | 
            |
| 78 | $this->setupDownloadController($c);  | 
            ||
| 79 | $this->setupRouteFirewall($c);  | 
            ||
| 80 | $this->setupMiddlewareStack($c);  | 
            ||
| 81 | }  | 
            ||
| 82 | 9 | ||
| 83 | /**  | 
            ||
| 84 | 9 | * @param Container $c  | 
            |
| 85 | 9 | */  | 
            |
| 86 | private function setConfigArray(Container $c)  | 
            ||
| 87 | 9 |     { | 
            |
| 88 |         foreach ($this->config as $key => $value) { | 
            ||
| 89 | $c[$key] = $value;  | 
            ||
| 90 | }  | 
            ||
| 91 | }  | 
            ||
| 92 | 9 | ||
| 93 | /**  | 
            ||
| 94 | 9 | * @param Container $c  | 
            |
| 95 | 9 | */  | 
            |
| 96 | 9 | private function setLocale(Container $c)  | 
            |
| 97 | 9 |     { | 
            |
| 98 | 9 |         $i18n = $c->get('i18n'); | 
            |
| 99 | 9 | $this->i18nEnabledSite = $i18n['enabled'];  | 
            |
| 100 | $this->supportedLocales = $i18n['supported_locales'];  | 
            ||
| 101 | $defaultLocale = $i18n['default_locale'];  | 
            ||
| 102 | Locale::setDefault($defaultLocale);  | 
            ||
| 103 | }  | 
            ||
| 104 | 9 | ||
| 105 | /**  | 
            ||
| 106 | * @param Container $c  | 
            ||
| 107 | 9 | */  | 
            |
| 108 | 9 | private function setupViewEngine(Container $c)  | 
            |
| 109 |     { | 
            ||
| 110 | 9 | // set up the view engine dependencies  | 
            |
| 111 |         $viewEngine = new PlatesEngine($c->get('viewFolder')); | 
            ||
| 112 | $viewEngine->loadExtension(new AlertBox());  | 
            ||
| 113 | 9 | ||
| 114 | 9 | $c[PlatesEngine::class] = $viewEngine;  | 
            |
| 115 | 9 | ||
| 116 | 9 |         $c[NotFoundDecorator::class] = $c->factory(function (Container $c) { | 
            |
| 117 | 9 |             $layout = $c->get('default_layout'); | 
            |
| 118 |             $templates = $c->get('error_pages'); | 
            ||
| 119 | 9 | $viewEngine = $c->get(PlatesEngine::class);  | 
            |
| 120 | 9 | $notFoundDecorator = new NotFoundDecorator($viewEngine, $templates);  | 
            |
| 121 | $notFoundDecorator->setLayout($layout);  | 
            ||
| 122 | |||
| 123 | 9 | return $notFoundDecorator;  | 
            |
| 124 | 9 | });  | 
            |
| 125 | 9 | ||
| 126 | 9 |         $c[NotAllowedDecorator::class] = $c->factory(function (Container $c) { | 
            |
| 127 | 9 |             $layout = $c->get('default_layout'); | 
            |
| 128 |             $templates = $c->get('error_pages'); | 
            ||
| 129 | 9 | $viewEngine = $c->get(PlatesEngine::class);  | 
            |
| 130 | 9 | $notAllowedDecorator = new NotAllowedDecorator($viewEngine, $templates);  | 
            |
| 131 | $notAllowedDecorator->setLayout($layout);  | 
            ||
| 132 | |||
| 133 | 9 | return $notAllowedDecorator;  | 
            |
| 134 | 9 | });  | 
            |
| 135 | 9 | ||
| 136 | 9 |         $c[ExceptionDecorator::class] = $c->factory(function (Container $c) { | 
            |
| 137 | 9 | $viewEngine = $c->get(PlatesEngine::class);  | 
            |
| 138 |             $layout = $c->get('default_layout'); | 
            ||
| 139 | 9 |             $templates = $c->get('error_pages'); | 
            |
| 140 | 9 | $decorator = new ExceptionDecorator($viewEngine, $templates);  | 
            |
| 141 | $decorator->setLayout($layout);  | 
            ||
| 142 | |||
| 143 | 9 | return $decorator;  | 
            |
| 144 | 9 | });  | 
            |
| 145 | 9 | ||
| 146 | 9 |         $c[PlatesStrategy::class] = $c->factory(function (Container $c) { | 
            |
| 147 | 9 | $viewEngine = $c->get(PlatesEngine::class);  | 
            |
| 148 | 9 | $notFoundDecorator = $c->get(NotFoundDecorator::class);  | 
            |
| 149 | $notAllowedDecorator = $c->get(NotAllowedDecorator::class);  | 
            ||
| 150 | 9 | $exceptionDecorator = $c->get(ExceptionDecorator::class);  | 
            |
| 151 | 9 |             $layout = $c->get('default_layout'); | 
            |
| 152 | $strategy = new PlatesStrategy($viewEngine, $notFoundDecorator, $notAllowedDecorator, $layout, $exceptionDecorator);  | 
            ||
| 153 | |||
| 154 | 9 | return $strategy;  | 
            |
| 155 | 9 | });  | 
            |
| 156 | |||
| 157 | 9 | /** @var PlatesStrategy $strategy */  | 
            |
| 158 | 8 | $strategy = $c->get(PlatesStrategy::class);  | 
            |
| 159 | 8 | $strategy->setContainer($c);  | 
            |
| 160 | |||
| 161 |         if ($this->i18nEnabledSite === true) { | 
            ||
| 162 | 9 | $strategy->setI18nEnabled(true);  | 
            |
| 163 | 9 | $strategy->setSupportedLocales($this->supportedLocales);  | 
            |
| 164 | }  | 
            ||
| 165 | |||
| 166 | $this->router->setStrategy($strategy);  | 
            ||
| 167 | }  | 
            ||
| 168 | 9 | ||
| 169 | /**  | 
            ||
| 170 | * @param Container $c  | 
            ||
| 171 | 9 | */  | 
            |
| 172 | 9 | private function setupModules(Container $c)  | 
            |
| 173 |     { | 
            ||
| 174 | 9 | // set up the modules and vendor package modules  | 
            |
| 175 |         $packages = $c->get('packages'); | 
            ||
| 176 | 9 |         $i18n = $c->get('i18n'); | 
            |
| 177 | 9 | /** @var Translator $translator */  | 
            |
| 178 | $translator = $c->get(Translator::class);  | 
            ||
| 179 | 9 | ||
| 180 |         foreach ($packages as $packageName) { | 
            ||
| 181 | 9 |             if (class_exists($packageName)) { | 
            |
| 182 | 9 | /** @var RegistrationInterface $package */  | 
            |
| 183 | 9 | $package = new $packageName();  | 
            |
| 184 | 9 | ||
| 185 |                 if ($package->hasEntityPath()) { | 
            ||
| 186 | $paths = $c['entity_paths'];  | 
            ||
| 187 | $paths[] = $package->getEntityPath();  | 
            ||
| 188 | 9 | $c['entity_paths'] = $paths;  | 
            |
| 189 | 9 | }  | 
            |
| 190 | 9 | }  | 
            |
| 191 | }  | 
            ||
| 192 | 9 | reset($packages);  | 
            |
| 193 | 9 |         foreach ($packages as $packageName) { | 
            |
| 194 |             if (class_exists($packageName)) { | 
            ||
| 195 | 9 | /** @var RegistrationInterface $package */  | 
            |
| 196 | 9 | $package = new $packageName();  | 
            |
| 197 | $package->addToContainer($c);  | 
            ||
| 198 | |||
| 199 | 9 |                 if ($package instanceof RouterConfigInterface) { | 
            |
| 200 | 9 | $package->addRoutes($c, $this->router);  | 
            |
| 201 | 9 | }  | 
            |
| 202 | 9 | ||
| 203 |                 if ($package instanceof I18nRegistrationInterface) { | 
            ||
| 204 |                     foreach ($i18n['supported_locales'] as $locale) { | 
            ||
| 205 | $factory = new TranslatorFactory();  | 
            ||
| 206 | $factory->addPackageTranslations($translator, $package, $locale);  | 
            ||
| 207 | 9 | }  | 
            |
| 208 | }  | 
            ||
| 209 | |||
| 210 |                 if ($package instanceof MiddlewareAwareInterface) { | 
            ||
| 211 | $stack = $c->get(Stack::class);  | 
            ||
| 212 | 9 | $package->addMiddleware($stack);  | 
            |
| 213 | }  | 
            ||
| 214 | 9 | }  | 
            |
| 215 | 9 | }  | 
            |
| 216 | 9 | }  | 
            |
| 217 | |||
| 218 | /**  | 
            ||
| 219 | * @param Container $c  | 
            ||
| 220 | */  | 
            ||
| 221 | private function setupTranslator(Container $c)  | 
            ||
| 222 | 9 |     { | 
            |
| 223 | $package = new I18nPackage();  | 
            ||
| 224 | $package->addToContainer($c);  | 
            ||
| 225 | }  | 
            ||
| 226 | 1 | ||
| 227 | 1 | ||
| 228 | 1 | /**  | 
            |
| 229 | 1 | * @param Container $c  | 
            |
| 230 | 1 | */  | 
            |
| 231 | private function setupPdoConnection(Container $c)  | 
            ||
| 232 | 1 |     { | 
            |
| 233 | 1 | // set up a db connection  | 
            |
| 234 |         $c[PDO::class] = $c->factory(function (Container $c): PDO { | 
            ||
| 235 |             $credentials = $c->get('db'); | 
            ||
| 236 | $host = $credentials['host'];  | 
            ||
| 237 | 1 | $db = $credentials['database'];  | 
            |
| 238 | 9 | $user = $credentials['user'];  | 
            |
| 239 | 9 | $pass = $credentials['pass'];  | 
            |
| 240 | |||
| 241 |             $dbConnection = new PDO('mysql:host=' . $host . ';dbname=' . $db, $user, $pass, [ | 
            ||
| 242 | PDO::ATTR_EMULATE_PREPARES => false,  | 
            ||
| 243 | PDO::ATTR_ERRMODE => PDO::ERRMODE_EXCEPTION,  | 
            ||
| 244 | 9 | ]);  | 
            |
| 245 | |||
| 246 | 9 | return $dbConnection;  | 
            |
| 247 | 9 | });  | 
            |
| 248 | 9 | }  | 
            |
| 249 | 9 | ||
| 250 | 9 | /**  | 
            |
| 251 | 9 | * @param Container $c  | 
            |
| 252 | */  | 
            ||
| 253 | private function setupDownloadController(Container $c): void  | 
            ||
| 254 |     { | 
            ||
| 255 |         $uploadDirectory = $c->get('uploads_dir'); | 
            ||
| 256 | 9 | $c[DownloadController::class] = new DownloadController($uploadDirectory);  | 
            |
| 257 | $strategy = new JsonStrategy(new ResponseFactory());  | 
            ||
| 258 | 9 | $strategy->setContainer($c);  | 
            |
| 259 | 9 |         $this->router->map('GET', '/download', [DownloadController::class, 'downloadAction'])->setStrategy($strategy); | 
            |
| 260 | 9 | }  | 
            |
| 261 | |||
| 262 | /**  | 
            ||
| 263 | * @param Container $c  | 
            ||
| 264 | */  | 
            ||
| 265 | 9 | private function setupRouteFirewall(Container $c): void  | 
            |
| 266 |     { | 
            ||
| 267 | 9 | $firewallPackage = new FirewallPackage();  | 
            |
| 268 | $firewallPackage->addToContainer($c);  | 
            ||
| 269 | }  | 
            ||
| 270 | |||
| 271 | 9 | /**  | 
            |
| 272 | * @param Container $c  | 
            ||
| 273 | */  | 
            ||
| 274 | private function setupLogs(Container $c)  | 
            ||
| 275 | 9 |     { | 
            |
| 276 |         if ($c->has('display_errors')) { | 
            ||
| 277 |             ini_set('display_errors', $c->get('display_errors')); | 
            ||
| 278 | }  | 
            ||
| 279 | |||
| 280 |         if ($c->has('error_reporting')) { | 
            ||
| 281 |             error_reporting($c->get('error_reporting')); | 
            ||
| 282 | }  | 
            ||
| 283 | 9 | ||
| 284 |         if ($c->has('error_log')) { | 
            ||
| 285 |             $errorLog = $c->get('error_log'); | 
            ||
| 286 |             if (!file_exists($errorLog)) { | 
            ||
| 287 | file_put_contents($errorLog, '');  | 
            ||
| 288 | 9 | chmod($errorLog, 0775);  | 
            |
| 289 | }  | 
            ||
| 290 |             ini_set($c->get('error_log'), $errorLog); | 
            ||
| 291 | 9 | }  | 
            |
| 292 | 9 | }  | 
            |
| 293 | 9 | ||
| 294 | /**  | 
            ||
| 295 | 9 | * @param Container $c  | 
            |
| 296 | 9 | */  | 
            |
| 297 | private function setupModuleViewOverrides(Container $c): void  | 
            ||
| 298 | 9 |     { | 
            |
| 299 | /** @var PlatesEngine $viewEngine */  | 
            ||
| 300 | $viewEngine = $c->get(PlatesEngine::class);  | 
            ||
| 301 |         $views = $c->get('views'); | 
            ||
| 302 | $registeredViews = $viewEngine->getFolders();  | 
            ||
| 303 | |||
| 304 |         foreach ($views as $view => $folder) { | 
            ||
| 305 | $this->overrideViewFolder($view, $folder, $registeredViews);  | 
            ||
| 306 | 9 | }  | 
            |
| 307 | }  | 
            ||
| 308 | 9 | ||
| 309 | /**  | 
            ||
| 310 | 1 | * @param string $view  | 
            |
| 311 | 1 | * @param string $folder  | 
            |
| 312 | * @param array $registeredViews  | 
            ||
| 313 | 9 | * @param PlatesEngine $viewEngine  | 
            |
| 314 | */  | 
            ||
| 315 | private function overrideViewFolder(string $view, string $folder, Folders $registeredViews): void  | 
            ||
| 316 |     { | 
            ||
| 317 |         if ($registeredViews->exists($view)) { | 
            ||
| 318 | 1 | /** @var \League\Plates\Template\Folder $currentFolder */  | 
            |
| 319 | $currentFolder = $registeredViews->get($view);  | 
            ||
| 320 | 1 | $currentFolder->setPath($folder);  | 
            |
| 321 | }  | 
            ||
| 322 | }  | 
            ||
| 323 | |||
| 324 | /**  | 
            ||
| 325 | * @return string  | 
            ||
| 326 | 1 | */  | 
            |
| 327 | public function getEntityPath(): string  | 
            ||
| 328 | 1 |     { | 
            |
| 329 | return '';  | 
            ||
| 330 | }  | 
            ||
| 331 | |||
| 332 | /**  | 
            ||
| 333 | * @return bool  | 
            ||
| 334 | 9 | */  | 
            |
| 335 | public function hasEntityPath(): bool  | 
            ||
| 336 |     { | 
            ||
| 337 | 8 | return false;  | 
            |
| 338 | 8 | }  | 
            |
| 339 | 8 | ||
| 340 | /**  | 
            ||
| 341 | 8 | * @param Container $c  | 
            |
| 342 | */  | 
            ||
| 343 | private function initMiddlewareStack(Container $c): void  | 
            ||
| 344 |     { | 
            ||
| 345 | $router = $c->get(Router::class);  | 
            ||
| 346 | $c[Stack::class] = new Stack($router);  | 
            ||
| 347 | }  | 
            ||
| 348 | |||
| 349 | /**  | 
            ||
| 350 | * @param Container $c  | 
            ||
| 351 | 8 | */  | 
            |
| 352 | 9 | private function setupMiddlewareStack(Container $c): void  | 
            |
| 353 | 9 |     { | 
            |
| 354 | $stack = $c->get(Stack::class);  | 
            ||
| 355 |         $middlewareStack = $c->has('stack') ? $c->get('stack') : []; | 
            ||
| 367 | }  |