Some refactorings in content generation

src/Exporters/Wget/WgetRequest.php

@@ -7,57 +7,76 @@ namespace PmConverter\Exporters\Wget;
 use PmConverter\Exporters\Abstract\AbstractRequest;
 
 /**
- *
+ * Class to determine file content with wget request format
  */
 class WgetRequest extends AbstractRequest
 {
     /**
-     * @return string
+     * @inheritDoc
      */
-    protected function prepareBody(): ?string
+    protected function prepareDescription(): array
     {
-        switch ($this->bodymode) {
-            case 'formdata':
-                $lines = [];
-                foreach ($this->body as &$data) {
-                    if ($data->type === 'file') {
-                        continue;
-                    }
-                    $lines[$data->key] = $data->value;
-                }
-                $body[] = http_build_query($lines);
-                return implode(PHP_EOL, $body);
-            default:
-                return $this->body;
-        }
+        return empty($this->description)
+            ? []
+            : ['# ' . str_replace("\n", "\n# ", $this->description), ''];
     }
 
     /**
-     * @return string
+     * @inheritDoc
      */
-    public function __toString(): string
+    protected function prepareHeaders(): array
     {
-        $output[] = '#!/bin/sh';
-        if ($this->description) {
-            $output[] = '# ' . str_replace("\n", "\n# ", $this->description);
-            $output[] = '';
-        }
-        $output[] = 'wget \ ';
-        $output[] = "\t--no-check-certificate \ ";
-        $output[] = "\t--quiet \ ";
-        $output[] = "\t--timeout=0 \ ";
-        $output[] = "\t--method $this->verb \ ";
+        $output = [];
         foreach ($this->headers as $header_key => $header) {
             if ($header['disabled']) {
                 continue;
             }
             $output[] = sprintf("\t--header '%s=%s' \ ", $header_key, $header['value']);
         }
-        if (!is_null($body = $this->prepareBody())) {
-            $output[] = "\t--body-data '$body' \ ";
+        return $output;
+    }
+
+    /**
+     * @inheritDoc
+     */
+    protected function prepareBody(): array
+    {
+        switch ($this->bodymode) {
+            case 'formdata':
+                $params = [];
+                foreach ($this->body as $data) {
+                    if ($data->type === 'file') {
+                        continue;
+                    }
+                    $params[$data->key] = $data->value;
+                }
+                $output[] = http_build_query($params);
+                return $output;
+            default:
+                return ["\t$this->body"];
         }
+    }
+
+    /**
+     * @inheritDoc
+     */
+    public function __toString(): string
+    {
+        $output = array_merge(
+            ['#!/bin/sh'],
+            $this->prepareDescription(),
+            [
+                'wget \ ',
+                "\t--no-check-certificate \ ",
+                "\t--quiet \ ",
+                "\t--timeout=0 \ ",
+                "\t--method $this->verb \ ",
+            ],
+            $this->prepareHeaders(),
+            $this->prepareBody()
+        );
         $output[] = rtrim(array_pop($output), '\ ');
         $output[] = "\t'$this->url'";
-        return implode(PHP_EOL, $output);
+        return implode(PHP_EOL, array_merge($output, ['']));
     }
 }