Added fallback methods for from mails

src/Facades/MailTemplateFallbacks.php

@@ -0,0 +1,11 @@
+<?php
+
+namespace Codedor\FilamentMailTemplates\Facades;
+
+class MailTemplateFallbacks extends \Illuminate\Support\Facades\Facade
+{
+    protected static function getFacadeAccessor()
+    {
+        return \Codedor\FilamentMailTemplates\MailTemplateFallbacks::class;
+    }
+}

src/Filament/Resources/MailTemplateResource.php

@@ -2,6 +2,7 @@
 
 namespace Codedor\FilamentMailTemplates\Filament\Resources;
 
+use Codedor\FilamentMailTemplates\Facades\MailTemplateFallbacks;
 use Codedor\FilamentMailTemplates\Filament\Resources\MailTemplateResource\Pages;
 use Codedor\FilamentMailTemplates\Models\MailTemplate;
 use Codedor\FilamentPlaceholderInput\Filament\Forms\Components\PlaceholderInput;
@@ -60,6 +61,20 @@ public static function form(Form $form): Form
                     Placeholder::make('description')
                         ->content(fn (MailTemplate $record) => $record->description),
 
+                    Grid::make()->schema([
+                        TextInput::make('from_name')
+                            ->helperText(
+                                'If left empty, the sites default name will be used: ' .
+                                MailTemplateFallbacks::getFromName()
+                            ),
+
+                        TextInput::make('from_email')
+                            ->helperText(
+                                'If left empty, the sites default mail will be used: ' .
+                                MailTemplateFallbacks::getFromMail()
+                            ),
+                    ]),
+
                     Repeater::make('to_email')
                         ->helperText('If left empty, the sites default e-mail will be used.')
                         ->label('Target e-mails')

src/Mail/MailableTemplate.php

@@ -2,6 +2,7 @@
 
 namespace Codedor\FilamentMailTemplates\Mail;
 
+use Codedor\FilamentMailTemplates\Facades\MailTemplateFallbacks;
 use Codedor\FilamentMailTemplates\MailTemplateBuilder;
 use Codedor\FilamentMailTemplates\Models\MailHistory;
 use Codedor\FilamentMailTemplates\Models\MailTemplate;
@@ -43,8 +44,8 @@ public function envelope(): Envelope
         return new Envelope(
             subject: $this->parseVariables($this->template->subject),
             from: new Address(
-                $this->template->from_email ?? config('mail.from.address'),
-                $this->template->from_name ?? config('mail.from.name'),
+                $this->template->from_email ?? MailTemplateFallbacks::getFromMail(),
+                $this->template->from_name ?? MailTemplateFallbacks::getFromName(),
             ),
         );
     }

src/MailTemplateFallbacks.php

@@ -0,0 +1,39 @@
+<?php
+
+namespace Codedor\FilamentMailTemplates;
+
+class MailTemplateFallbacks
+{
+    public null|string $fromName = null;
+    public null|string $fromMail = null;
+
+    public function __construct()
+    {
+        $this->fromName = config('mail.from.name');
+        $this->fromMail = config('mail.from.address');
+    }
+
+    public function fromName(null|string $fromName): self
+    {
+        $this->fromName = $fromName;
+
+        return $this;
+    }
+
+    public function getFromName(): null|string
+    {
+        return $this->fromName;
+    }
+
+    public function fromMail(null|string $fromMail): self
+    {
+        $this->fromMail = $fromMail;
+
+        return $this;
+    }
+
+    public function getFromMail(): null|string
+    {
+        return $this->fromMail;
+    }
+}