Complex classes like CsvExportService often do a lot of different things. To break such a class down, we need to identify a cohesive component within that class. A common approach to find such a component is to look for fields/methods that share the same prefixes, or suffixes. You can also have a look at the cohesion graph to spot any un-connected, or weakly-connected components.
Once you have determined the fields that belong together, you can apply the Extract Class refactoring. If the component makes sense as a sub-class, Extract Subclass is also a candidate, and is often faster.
While breaking up the class, it is a good idea to analyze how other classes use CsvExportService, and based on these observations, apply Extract Interface, too.
| 1 | <?php  | 
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| 36 | class CsvExportService  | 
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| 37 | { | 
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| 38 | /**  | 
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| 39 | * @var resource  | 
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| 40 | */  | 
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| 41 | protected $fp;  | 
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| 42 | |||
| 43 | /**  | 
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| 44 | * @var boolean  | 
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| 45 | */  | 
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| 46 | protected $closed = false;  | 
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| 47 | |||
| 48 | /**  | 
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| 49 | * @var \Closure  | 
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| 50 | */  | 
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| 51 | protected $convertEncodingCallBack;  | 
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| 52 | |||
| 53 | /**  | 
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| 54 | * @var EntityManagerInterface  | 
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| 55 | */  | 
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| 56 | protected $entityManager;  | 
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| 57 | |||
| 58 | /**  | 
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| 59 | * @var QueryBuilder;  | 
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| 60 | */  | 
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| 61 | protected $qb;  | 
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| 62 | |||
| 63 | /**  | 
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| 64 | * @var EccubeConfig  | 
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| 65 | */  | 
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| 66 | protected $eccubeConfig;  | 
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| 67 | |||
| 68 | /**  | 
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| 69 | * @var CsvType  | 
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| 70 | */  | 
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| 71 | protected $CsvType;  | 
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| 72 | |||
| 73 | /**  | 
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| 74 | * @var Csv[]  | 
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| 75 | */  | 
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| 76 | protected $Csvs;  | 
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| 77 | |||
| 78 | /**  | 
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| 79 | * @var CsvRepository  | 
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| 80 | */  | 
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| 81 | protected $csvRepository;  | 
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| 82 | |||
| 83 | /**  | 
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| 84 | * @var CsvTypeRepository  | 
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| 85 | */  | 
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| 86 | protected $csvTypeRepository;  | 
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| 87 | |||
| 88 | /**  | 
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| 89 | * @var OrderRepository  | 
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| 90 | */  | 
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| 91 | protected $orderRepository;  | 
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| 92 | |||
| 93 | /**  | 
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| 94 | * @var ShippingRepository  | 
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| 95 | */  | 
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| 96 | protected $shippingRepository;  | 
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| 97 | |||
| 98 | /**  | 
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| 99 | * @var CustomerRepository  | 
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| 100 | */  | 
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| 101 | protected $customerRepository;  | 
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| 102 | |||
| 103 | /**  | 
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| 104 | * @var ProductRepository  | 
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| 105 | */  | 
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| 106 | protected $productRepository;  | 
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| 107 | |||
| 108 | /**  | 
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| 109 | * @var FormFactoryInterface  | 
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| 110 | */  | 
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| 111 | protected $formFactory;  | 
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| 112 | |||
| 113 | /**  | 
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| 114 | * CsvExportService constructor.  | 
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| 115 | *  | 
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| 116 | * @param EntityManagerInterface $entityManager  | 
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| 117 | * @param CsvRepository $csvRepository  | 
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| 118 | * @param CsvTypeRepository $csvTypeRepository  | 
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| 119 | * @param OrderRepository $orderRepository  | 
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| 120 | * @param CustomerRepository $customerRepository  | 
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| 121 | * @param EccubeConfig $eccubeConfig  | 
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| 122 | 76 | */  | 
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| 123 | public function __construct(  | 
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| 144 | |||
| 145 | /**  | 
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| 146 | * @param $config  | 
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| 147 | */  | 
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| 148 | public function setConfig($config)  | 
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| 152 | |||
| 153 | /**  | 
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| 154 | * @param CsvRepository $csvRepository  | 
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| 155 | */  | 
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| 156 | public function setCsvRepository(CsvRepository $csvRepository)  | 
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| 160 | |||
| 161 | /**  | 
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| 162 | * @param CsvTypeRepository $csvTypeRepository  | 
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| 163 | */  | 
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| 164 | public function setCsvTypeRepository(CsvTypeRepository $csvTypeRepository)  | 
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| 168 | |||
| 169 | /**  | 
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| 170 | * @param OrderRepository $orderRepository  | 
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| 171 | */  | 
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| 172 | public function setOrderRepository(OrderRepository $orderRepository)  | 
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| 176 | |||
| 177 | /**  | 
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| 178 | * @param CustomerRepository $customerRepository  | 
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| 179 | */  | 
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| 180 | public function setCustomerRepository(CustomerRepository $customerRepository)  | 
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| 184 | |||
| 185 | /**  | 
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| 186 | * @param ProductRepository $productRepository  | 
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| 187 | */  | 
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| 188 | public function setProductRepository(ProductRepository $productRepository)  | 
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| 192 | |||
| 193 | /**  | 
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| 194 | * @param EntityManagerInterface $entityManager  | 
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| 195 | */  | 
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| 196 | public function setEntityManager(EntityManagerInterface $entityManager)  | 
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| 200 | |||
| 201 | /**  | 
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| 202 | * @return EntityManagerInterface  | 
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| 203 | */  | 
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| 204 | public function getEntityManager()  | 
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| 208 | |||
| 209 | /**  | 
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| 210 | * @param QueryBuilder $qb  | 
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| 211 | 4 | */  | 
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| 212 | public function setExportQueryBuilder(QueryBuilder $qb)  | 
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| 216 | |||
| 217 | /**  | 
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| 218 | * Csv種別からServiceの初期化を行う.  | 
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| 219 | *  | 
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| 220 | * @param $CsvType|integer  | 
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| 221 | 5 | */  | 
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| 222 | public function initCsvType($CsvType)  | 
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| 239 | |||
| 240 | /**  | 
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| 241 | * @return Csv[]  | 
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| 242 | 4 | */  | 
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| 243 | public function getCsvs()  | 
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| 247 | |||
| 248 | /**  | 
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| 249 | * ヘッダ行を出力する.  | 
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| 250 | * このメソッドを使う場合は, 事前にinitCsvType($CsvType)で初期化しておく必要がある.  | 
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| 251 | 4 | */  | 
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| 252 | public function exportHeader()  | 
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| 267 | |||
| 268 | /**  | 
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| 269 | * クエリビルダにもとづいてデータ行を出力する.  | 
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| 270 | * このメソッドを使う場合は, 事前にsetExportQueryBuilder($qb)で出力対象のクエリビルダをわたしておく必要がある.  | 
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| 271 | *  | 
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| 272 | * @param \Closure $closure  | 
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| 273 | 4 | */  | 
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| 274 | public function exportData(\Closure $closure)  | 
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| 292 | |||
| 293 | /**  | 
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| 294 | * CSV出力項目と比較し, 合致するデータを返す.  | 
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| 295 | *  | 
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| 296 | * @param \Eccube\Entity\Csv $Csv  | 
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| 297 | * @param $entity  | 
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| 298 | *  | 
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| 299 | * @return string|null  | 
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| 300 | 4 | */  | 
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| 301 | public function getData(Csv $Csv, $entity)  | 
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| 343 | |||
| 344 | /**  | 
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| 345 | * 文字エンコーディングの変換を行うコールバック関数を返す.  | 
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| 346 | *  | 
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| 347 | * @return \Closure  | 
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| 348 | 5 | */  | 
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| 349 | public function getConvertEncodingCallback()  | 
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| 350 | 5 |     { | 
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| 351 | $config = $this->eccubeConfig;  | 
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| 352 | 5 | ||
| 353 | 5 |         return function ($value) use ($config) { | 
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| 354 | 5 | return mb_convert_encoding(  | 
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| 355 | (string) $value, $config['eccube_csv_export_encoding'], 'UTF-8'  | 
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| 356 | 5 | );  | 
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| 357 | };  | 
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| 358 | }  | 
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| 359 | 5 | ||
| 360 | public function fopen()  | 
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| 366 | |||
| 367 | /**  | 
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| 368 | * @param $row  | 
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| 369 | 5 | */  | 
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| 370 | public function fputcsv($row)  | 
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| 378 | 5 | ||
| 379 | public function fclose()  | 
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| 386 | |||
| 387 | /**  | 
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| 388 | * 受注検索用のクエリビルダを返す.  | 
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| 389 | *  | 
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| 390 | * @param Request $request  | 
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| 391 | *  | 
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| 392 | * @return \Doctrine\ORM\QueryBuilder  | 
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| 393 | 1 | */  | 
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| 394 | public function getOrderQueryBuilder(Request $request)  | 
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| 410 | |||
| 411 | /**  | 
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| 412 | * 会員検索用のクエリビルダを返す.  | 
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| 413 | *  | 
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| 414 | * @param Request $request  | 
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| 415 | *  | 
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| 416 | * @return \Doctrine\ORM\QueryBuilder  | 
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| 417 | 1 | */  | 
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| 418 | public function getCustomerQueryBuilder(Request $request)  | 
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| 434 | |||
| 435 | /**  | 
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| 436 | * 商品検索用のクエリビルダを返す.  | 
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| 437 | *  | 
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| 438 | * @param Request $request  | 
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| 439 | *  | 
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| 440 | * @return \Doctrine\ORM\QueryBuilder  | 
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| 441 | */  | 
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| 442 | public function getProductQueryBuilder(Request $request)  | 
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| 458 | }  | 
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| 459 | 
This check marks calls to methods that do not seem to exist on an object.
This is most likely the result of a method being renamed without all references to it being renamed likewise.