feat: email styles

src/Mailer.php

@@ -23,12 +23,19 @@ class Mailer {
      */
     private $renderer;
 
+    /**
+     * @var array
+     */
+    private $attributes;
+
     /**
      * @param array $dirs
      */
     public function __construct(
-        array $dirs = []
+        array $dirs = [],
+        array $attributes = []
     ) {
+        $this->attributes = $attributes;
         $this->set_renderer( $this->init_renderer( $dirs ) );
     }
 
@@ -73,8 +80,11 @@ class Mailer {
     }
 
     /** @return void */
-    public function send() {
+    public function send( $include = [] ) {
         foreach ( $this->get_emails() as $email ) {
+            if ( ! empty( $include ) && ! in_array( $email->get_id(), $include, true ) ) {
+                continue;
+            }
             if ( $email->get_is_enable() ) {
                 add_filter(
                     'wp_mail_from',
@@ -131,9 +141,15 @@ class Mailer {
     }
 
     protected function get_email_template( EmailInterface $email ): string {
-        $output = $this->renderer->render( 'html/email-header', [ 'heading' => $email->get_heading(), 'logo' => '' ] );
+        $output = $this->renderer->render(
+            'html/email-header',
+            [
+                'heading' => $this->attributes['heading'] ?? $email->get_heading(),
+                'logo'    => $this->attributes['logo']
+            ]
+        );
         $output .= $this->renderer->render( 'html/' . $email->get_id(), [ 'content' => $email->get_content() ] );
-        $output .= $this->renderer->render( 'html/email-footer', [ 'footer' => '' ] );
+        $output .= $this->renderer->render( 'html/email-footer', [ 'footer' => $this->attributes['footer'] ] );
 
         return $this->css_inline( $output );
     }
@@ -144,7 +160,15 @@ class Mailer {
      * @return mixed|string
      */
     protected function css_inline( string $content ): string {
-        $styles = $this->renderer->render( 'html/email-styles', [] );
+        $styles = $this->renderer->render(
+            'html/email-styles',
+            [
+                'primary' => $this->attributes['primary'] ?? '#d15291',
+                'text'    => $this->attributes['text'] ?? '#303030',
+                'bg'      => $this->attributes['bg'] ?? '#f9f9f9',
+                'body'    => $this->attributes['body'] ?? '#ffffff',
+            ]
+        );
 
         return HTML::style_inline( $content, $styles );
     }

templates/html/email-styles.php

@@ -9,11 +9,11 @@ if ( ! defined( 'ABSPATH' ) ) {
 }
 
 // Load colors.
-$bg        = $params['bg'] ?? '#f9f9f9';
-$body      = $params['body'] ?? '#ffffff';
-$base      = $params['base'] ?? '#d15291';
+$bg        = $params['bg'];
+$body      = $params['body'];
+$base      = $params['primary'];
 $base_text = Template::light_or_dark( $base, '#171717', '#ffffff' );
-$text      = $params['text'] ?? '#303030';
+$text      = $params['text'];
 
 // Pick a contrasting color for links.
 $link_color = Template::is_hex_light( $base ) ? $base : $base_text;