update setter

Author: Alexsey-VR

src/ConsoleApp.php

@@ -39,7 +39,7 @@ public function run(): void
 
         $this->currentCommand = $this->commandFactory->getCommand("difference");
         $this->nextCommand = $this->currentCommand
-                                  ->getFileNames($this->nextCommand)
+                                  ->setFileNames($this->nextCommand)
                                   ->setFileReader(new FileReader())
                                   ->execute();
 

src/Differ.php

@@ -17,7 +17,7 @@ function genDiff(string $pathToFile1, string $pathToFile2)
     $nextCommand = $parserCommand->setFileNames($fileNames);
 
     $currentCommand = new FilesDiffCommand();
-    $nextCommand = $currentCommand->getFileNames($nextCommand)
+    $nextCommand = $currentCommand->setFileNames($nextCommand)
                                   ->setFileReader(new FileReader())
                                   ->execute();
 

src/FilesDiffCommand.php

@@ -23,7 +23,7 @@ public function setFileReader(FileReaderInterface $fileReader): CommandInterface
         return $this;
     }
 
-    public function getFileNames(CommandInterface $command): CommandInterface
+    public function setFileNames(CommandInterface $command): CommandInterface
     {
         $this->filesData = $command->getFileNames();