display to console files differents

Author: Alexsey-VR

src/DisplayCommand.php

@@ -7,9 +7,11 @@
 class DisplayCommand implements CommandInterface
 {
     private array $filesDiffContent;
+    private array $filesContent;
 
     public function __construct()
     {
+        $this->filesContent = [];
         $this->filesDiffContent = [];
     }
 
@@ -21,23 +23,50 @@ private function constructContent($accum, $item)
     public function execute(object $data): object
     {
 
-        $this->filesDiffContent[] = "file1.json content:\n";
-        $this->filesDiffContent[] = array_reduce(
+        $this->filesContent[] = "file1.json content:\n";
+        $this->filesContent[] = array_reduce(
             get_object_vars($data)['file1'],
             [$this, 'constructContent'],
             "{") . "\r}\n";
 
-        $this->filesDiffContent[] = "file2.json content:\n";
-        $this->filesDiffContent[] = array_reduce(
+        $this->filesContent[] = "file2.json content:\n";
+        $this->filesContent[] = array_reduce(
             get_object_vars($data)['file2'],
             [$this, 'constructContent'],
             "{") . "\n}\n";
 
+        $file1Array = get_object_vars($data)['file1'];
+        $file1Keys = array_keys($file1Array);
+        $file2Array = get_object_vars($data)['file2'];
+        $this->filesDiffContent = array_map(
+            function($file1Key) use ($file1Array, $file2Array)
+            {
+                if (array_key_exists($file1Key, $file2Array)) {
+                    if (!strcmp($file1Array[$file1Key], $file2Array[$file1Key])) {
+                        return "    " . $file1Array[$file1Key] . "\n";
+                    } else {
+                        return "  - " . $file1Array[$file1Key] . "\n" .
+                               "  + " . $file2Array[$file1Key] . "\n";
+                    }
+                } else {
+                    return "  - " . $file1Array[$file1Key] . "\n";
+                }
+            }, $file1Keys
+        );
+        return $this;
+    }
+
+    public function showContentToConsole()
+    {
+        echo implode("", $this->filesContent);
+
         return $this;
     }
 
     public function showDiffsToConsole()
     {
-        echo implode("", $this->filesDiffContent);
+        echo "{\n" . implode("", $this->filesDiffContent) . "}\n";
+
+        return $this;
     }
 }