stagfe2/app/Http/Controllers/EmailController.php

<?php

namespace App\Http\Controllers;

use Illuminate\Http\Request;
use Illuminate\Support\Facades\File;

use App\Http\Services\EmailService;
use App\Models\Account;
use App\Models\AppSession;
use App\Models\Invoice;
use App\Models\FinancialTransaction;
use App\Models\CompanyClient;
use Illuminate\Support\Facades\Cookie;


class EmailController extends Controller
{
    protected $performer;
    protected $sessionKey;

    public $appUrl;
    protected $emailService;
    public $appInternalName;
    public $stringMappingConfig;
    protected $emailFromName;

    public function __construct(EmailService $emailService)
    {
        $this->sessionKey = Cookie::get('sessionKey');
        $this->performer = AppSession::where('session_key', $this->sessionKey)->first();

        $this->emailFromName = config('app.emailFromName');
        $this->appUrl = config('app.url');
        $this->emailService = $emailService;
        $this->appInternalName = config('app.internalName');
        $this->stringMappingConfig = config('constants.' . $this->appInternalName);
    }

    public function previewEmail($email = null)
    {
        $pro = @$this->performer->pro;
        if (!$pro) {
            abort(404);
        }
        $appInternalName = $this->appInternalName;
        $stringMappingConfig = $this->stringMappingConfig;

        if ($email) {
            $destinationPath = resource_path('views/emails/templates/' . $email . '.blade.php');
            if (File::exists($destinationPath)) {
                $content = File::get($destinationPath);
                $appUrl = $this->appUrl;
                $emailFromName = $this->emailFromName;   
                $toEmailAddress = $this->pro ? $this->pro->email_address : 'john@doe.com';             
                $toName = $this->pro ? $this->pro->displayName() : 'John Doe';
                $message = 'Client information has been updated';
                return view('emails/templates/' . $email, compact('appUrl', 'toEmailAddress', 'toName', 'message', 'stringMappingConfig', 'appInternalName', 'emailFromName'));
            } else {
                abort(404);
            }
        }
        $files = File::allFiles(resource_path('views/emails/templates/'));

        $fileNames = [];
        foreach ($files as $file) {
            $fileName = $file->getFilename();
            $fileNameParts = explode('.', $fileName);
            $fileRef = @$fileNameParts[0];
            if ($fileRef) array_push($fileNames, $fileRef);
        }

        return view('emails.preview-email', compact('fileNames'));
    }
}