diff --git a/httpdocs/composer.json b/httpdocs/composer.json
index 02ea9a0..954d38e 100644
--- a/httpdocs/composer.json
+++ b/httpdocs/composer.json
@@ -16,6 +16,7 @@
         "lexik/jwt-authentication-bundle": "^3.1",
         "nelmio/cors-bundle": "^2.5",
         "phpdocumentor/reflection-docblock": "^5.4",
+        "phpoffice/phpspreadsheet": "^4.2",
         "phpstan/phpdoc-parser": "^1.32",
         "symfony/asset": "7.1.*",
         "symfony/console": "7.1.*",
diff --git a/httpdocs/composer.lock b/httpdocs/composer.lock
index ba6925c..c9275b5 100644
--- a/httpdocs/composer.lock
+++ b/httpdocs/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "1d97e4496ebfcc30dce08cc0102bd47e",
+    "content-hash": "c2075b4a00e7b723574dd47fae79eef2",
     "packages": [
         {
             "name": "api-platform/doctrine-common",
@@ -1112,6 +1112,85 @@
             },
             "time": "2025-03-10T10:30:30+00:00"
         },
+        {
+            "name": "composer/pcre",
+            "version": "3.3.2",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/composer/pcre.git",
+                "reference": "b2bed4734f0cc156ee1fe9c0da2550420d99a21e"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/composer/pcre/zipball/b2bed4734f0cc156ee1fe9c0da2550420d99a21e",
+                "reference": "b2bed4734f0cc156ee1fe9c0da2550420d99a21e",
+                "shasum": ""
+            },
+            "require": {
+                "php": "^7.4 || ^8.0"
+            },
+            "conflict": {
+                "phpstan/phpstan": "<1.11.10"
+            },
+            "require-dev": {
+                "phpstan/phpstan": "^1.12 || ^2",
+                "phpstan/phpstan-strict-rules": "^1 || ^2",
+                "phpunit/phpunit": "^8 || ^9"
+            },
+            "type": "library",
+            "extra": {
+                "phpstan": {
+                    "includes": [
+                        "extension.neon"
+                    ]
+                },
+                "branch-alias": {
+                    "dev-main": "3.x-dev"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "Composer\\Pcre\\": "src"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Jordi Boggiano",
+                    "email": "j.boggiano@seld.be",
+                    "homepage": "http://seld.be"
+                }
+            ],
+            "description": "PCRE wrapping library that offers type-safe preg_* replacements.",
+            "keywords": [
+                "PCRE",
+                "preg",
+                "regex",
+                "regular expression"
+            ],
+            "support": {
+                "issues": "https://github.com/composer/pcre/issues",
+                "source": "https://github.com/composer/pcre/tree/3.3.2"
+            },
+            "funding": [
+                {
+                    "url": "https://packagist.com",
+                    "type": "custom"
+                },
+                {
+                    "url": "https://github.com/composer",
+                    "type": "github"
+                },
+                {
+                    "url": "https://tidelift.com/funding/github/packagist/composer/composer",
+                    "type": "tidelift"
+                }
+            ],
+            "time": "2024-11-12T16:29:46+00:00"
+        },
         {
             "name": "doctrine/cache",
             "version": "2.2.0",
@@ -2742,6 +2821,191 @@
             ],
             "time": "2024-07-03T20:49:59+00:00"
         },
+        {
+            "name": "maennchen/zipstream-php",
+            "version": "3.1.2",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/maennchen/ZipStream-PHP.git",
+                "reference": "aeadcf5c412332eb426c0f9b4485f6accba2a99f"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/maennchen/ZipStream-PHP/zipball/aeadcf5c412332eb426c0f9b4485f6accba2a99f",
+                "reference": "aeadcf5c412332eb426c0f9b4485f6accba2a99f",
+                "shasum": ""
+            },
+            "require": {
+                "ext-mbstring": "*",
+                "ext-zlib": "*",
+                "php-64bit": "^8.2"
+            },
+            "require-dev": {
+                "brianium/paratest": "^7.7",
+                "ext-zip": "*",
+                "friendsofphp/php-cs-fixer": "^3.16",
+                "guzzlehttp/guzzle": "^7.5",
+                "mikey179/vfsstream": "^1.6",
+                "php-coveralls/php-coveralls": "^2.5",
+                "phpunit/phpunit": "^11.0",
+                "vimeo/psalm": "^6.0"
+            },
+            "suggest": {
+                "guzzlehttp/psr7": "^2.4",
+                "psr/http-message": "^2.0"
+            },
+            "type": "library",
+            "autoload": {
+                "psr-4": {
+                    "ZipStream\\": "src/"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Paul Duncan",
+                    "email": "pabs@pablotron.org"
+                },
+                {
+                    "name": "Jonatan Männchen",
+                    "email": "jonatan@maennchen.ch"
+                },
+                {
+                    "name": "Jesse Donat",
+                    "email": "donatj@gmail.com"
+                },
+                {
+                    "name": "András Kolesár",
+                    "email": "kolesar@kolesar.hu"
+                }
+            ],
+            "description": "ZipStream is a library for dynamically streaming dynamic zip files from PHP without writing to the disk at all on the server.",
+            "keywords": [
+                "stream",
+                "zip"
+            ],
+            "support": {
+                "issues": "https://github.com/maennchen/ZipStream-PHP/issues",
+                "source": "https://github.com/maennchen/ZipStream-PHP/tree/3.1.2"
+            },
+            "funding": [
+                {
+                    "url": "https://github.com/maennchen",
+                    "type": "github"
+                }
+            ],
+            "time": "2025-01-27T12:07:53+00:00"
+        },
+        {
+            "name": "markbaker/complex",
+            "version": "3.0.2",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/MarkBaker/PHPComplex.git",
+                "reference": "95c56caa1cf5c766ad6d65b6344b807c1e8405b9"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/MarkBaker/PHPComplex/zipball/95c56caa1cf5c766ad6d65b6344b807c1e8405b9",
+                "reference": "95c56caa1cf5c766ad6d65b6344b807c1e8405b9",
+                "shasum": ""
+            },
+            "require": {
+                "php": "^7.2 || ^8.0"
+            },
+            "require-dev": {
+                "dealerdirect/phpcodesniffer-composer-installer": "dev-master",
+                "phpcompatibility/php-compatibility": "^9.3",
+                "phpunit/phpunit": "^7.0 || ^8.0 || ^9.0",
+                "squizlabs/php_codesniffer": "^3.7"
+            },
+            "type": "library",
+            "autoload": {
+                "psr-4": {
+                    "Complex\\": "classes/src/"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Mark Baker",
+                    "email": "mark@lange.demon.co.uk"
+                }
+            ],
+            "description": "PHP Class for working with complex numbers",
+            "homepage": "https://github.com/MarkBaker/PHPComplex",
+            "keywords": [
+                "complex",
+                "mathematics"
+            ],
+            "support": {
+                "issues": "https://github.com/MarkBaker/PHPComplex/issues",
+                "source": "https://github.com/MarkBaker/PHPComplex/tree/3.0.2"
+            },
+            "time": "2022-12-06T16:21:08+00:00"
+        },
+        {
+            "name": "markbaker/matrix",
+            "version": "3.0.1",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/MarkBaker/PHPMatrix.git",
+                "reference": "728434227fe21be27ff6d86621a1b13107a2562c"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/MarkBaker/PHPMatrix/zipball/728434227fe21be27ff6d86621a1b13107a2562c",
+                "reference": "728434227fe21be27ff6d86621a1b13107a2562c",
+                "shasum": ""
+            },
+            "require": {
+                "php": "^7.1 || ^8.0"
+            },
+            "require-dev": {
+                "dealerdirect/phpcodesniffer-composer-installer": "dev-master",
+                "phpcompatibility/php-compatibility": "^9.3",
+                "phpdocumentor/phpdocumentor": "2.*",
+                "phploc/phploc": "^4.0",
+                "phpmd/phpmd": "2.*",
+                "phpunit/phpunit": "^7.0 || ^8.0 || ^9.0",
+                "sebastian/phpcpd": "^4.0",
+                "squizlabs/php_codesniffer": "^3.7"
+            },
+            "type": "library",
+            "autoload": {
+                "psr-4": {
+                    "Matrix\\": "classes/src/"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Mark Baker",
+                    "email": "mark@demon-angel.eu"
+                }
+            ],
+            "description": "PHP Class for working with matrices",
+            "homepage": "https://github.com/MarkBaker/PHPMatrix",
+            "keywords": [
+                "mathematics",
+                "matrix",
+                "vector"
+            ],
+            "support": {
+                "issues": "https://github.com/MarkBaker/PHPMatrix/issues",
+                "source": "https://github.com/MarkBaker/PHPMatrix/tree/3.0.1"
+            },
+            "time": "2022-12-02T22:17:43+00:00"
+        },
         {
             "name": "nelmio/cors-bundle",
             "version": "2.5.0",
@@ -2979,6 +3243,112 @@
             },
             "time": "2024-02-23T11:10:43+00:00"
         },
+        {
+            "name": "phpoffice/phpspreadsheet",
+            "version": "4.2.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/PHPOffice/PhpSpreadsheet.git",
+                "reference": "5f6d7410e5fd72cac1aa67d4f05f4fe664d01ba6"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/PHPOffice/PhpSpreadsheet/zipball/5f6d7410e5fd72cac1aa67d4f05f4fe664d01ba6",
+                "reference": "5f6d7410e5fd72cac1aa67d4f05f4fe664d01ba6",
+                "shasum": ""
+            },
+            "require": {
+                "composer/pcre": "^1||^2||^3",
+                "ext-ctype": "*",
+                "ext-dom": "*",
+                "ext-fileinfo": "*",
+                "ext-gd": "*",
+                "ext-iconv": "*",
+                "ext-libxml": "*",
+                "ext-mbstring": "*",
+                "ext-simplexml": "*",
+                "ext-xml": "*",
+                "ext-xmlreader": "*",
+                "ext-xmlwriter": "*",
+                "ext-zip": "*",
+                "ext-zlib": "*",
+                "maennchen/zipstream-php": "^2.1 || ^3.0",
+                "markbaker/complex": "^3.0",
+                "markbaker/matrix": "^3.0",
+                "php": "^8.1",
+                "psr/http-client": "^1.0",
+                "psr/http-factory": "^1.0",
+                "psr/simple-cache": "^1.0 || ^2.0 || ^3.0"
+            },
+            "require-dev": {
+                "dealerdirect/phpcodesniffer-composer-installer": "dev-main",
+                "dompdf/dompdf": "^2.0 || ^3.0",
+                "friendsofphp/php-cs-fixer": "^3.2",
+                "mitoteam/jpgraph": "^10.3",
+                "mpdf/mpdf": "^8.1.1",
+                "phpcompatibility/php-compatibility": "^9.3",
+                "phpstan/phpstan": "^1.1 || ^2.0",
+                "phpstan/phpstan-deprecation-rules": "^1.0 || ^2.0",
+                "phpstan/phpstan-phpunit": "^1.0 || ^2.0",
+                "phpunit/phpunit": "^10.5",
+                "squizlabs/php_codesniffer": "^3.7",
+                "tecnickcom/tcpdf": "^6.5"
+            },
+            "suggest": {
+                "dompdf/dompdf": "Option for rendering PDF with PDF Writer",
+                "ext-intl": "PHP Internationalization Functions",
+                "mitoteam/jpgraph": "Option for rendering charts, or including charts with PDF or HTML Writers",
+                "mpdf/mpdf": "Option for rendering PDF with PDF Writer",
+                "tecnickcom/tcpdf": "Option for rendering PDF with PDF Writer"
+            },
+            "type": "library",
+            "autoload": {
+                "psr-4": {
+                    "PhpOffice\\PhpSpreadsheet\\": "src/PhpSpreadsheet"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Maarten Balliauw",
+                    "homepage": "https://blog.maartenballiauw.be"
+                },
+                {
+                    "name": "Mark Baker",
+                    "homepage": "https://markbakeruk.net"
+                },
+                {
+                    "name": "Franck Lefevre",
+                    "homepage": "https://rootslabs.net"
+                },
+                {
+                    "name": "Erik Tilt"
+                },
+                {
+                    "name": "Adrien Crivelli"
+                }
+            ],
+            "description": "PHPSpreadsheet - Read, Create and Write Spreadsheet documents in PHP - Spreadsheet engine",
+            "homepage": "https://github.com/PHPOffice/PhpSpreadsheet",
+            "keywords": [
+                "OpenXML",
+                "excel",
+                "gnumeric",
+                "ods",
+                "php",
+                "spreadsheet",
+                "xls",
+                "xlsx"
+            ],
+            "support": {
+                "issues": "https://github.com/PHPOffice/PhpSpreadsheet/issues",
+                "source": "https://github.com/PHPOffice/PhpSpreadsheet/tree/4.2.0"
+            },
+            "time": "2025-04-17T02:41:45+00:00"
+        },
         {
             "name": "phpstan/phpdoc-parser",
             "version": "1.32.0",
@@ -3226,6 +3596,166 @@
             },
             "time": "2019-01-08T18:20:26+00:00"
         },
+        {
+            "name": "psr/http-client",
+            "version": "1.0.3",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/php-fig/http-client.git",
+                "reference": "bb5906edc1c324c9a05aa0873d40117941e5fa90"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/php-fig/http-client/zipball/bb5906edc1c324c9a05aa0873d40117941e5fa90",
+                "reference": "bb5906edc1c324c9a05aa0873d40117941e5fa90",
+                "shasum": ""
+            },
+            "require": {
+                "php": "^7.0 || ^8.0",
+                "psr/http-message": "^1.0 || ^2.0"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "1.0.x-dev"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "Psr\\Http\\Client\\": "src/"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "PHP-FIG",
+                    "homepage": "https://www.php-fig.org/"
+                }
+            ],
+            "description": "Common interface for HTTP clients",
+            "homepage": "https://github.com/php-fig/http-client",
+            "keywords": [
+                "http",
+                "http-client",
+                "psr",
+                "psr-18"
+            ],
+            "support": {
+                "source": "https://github.com/php-fig/http-client"
+            },
+            "time": "2023-09-23T14:17:50+00:00"
+        },
+        {
+            "name": "psr/http-factory",
+            "version": "1.1.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/php-fig/http-factory.git",
+                "reference": "2b4765fddfe3b508ac62f829e852b1501d3f6e8a"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/php-fig/http-factory/zipball/2b4765fddfe3b508ac62f829e852b1501d3f6e8a",
+                "reference": "2b4765fddfe3b508ac62f829e852b1501d3f6e8a",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=7.1",
+                "psr/http-message": "^1.0 || ^2.0"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "1.0.x-dev"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "Psr\\Http\\Message\\": "src/"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "PHP-FIG",
+                    "homepage": "https://www.php-fig.org/"
+                }
+            ],
+            "description": "PSR-17: Common interfaces for PSR-7 HTTP message factories",
+            "keywords": [
+                "factory",
+                "http",
+                "message",
+                "psr",
+                "psr-17",
+                "psr-7",
+                "request",
+                "response"
+            ],
+            "support": {
+                "source": "https://github.com/php-fig/http-factory"
+            },
+            "time": "2024-04-15T12:06:14+00:00"
+        },
+        {
+            "name": "psr/http-message",
+            "version": "2.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/php-fig/http-message.git",
+                "reference": "402d35bcb92c70c026d1a6a9883f06b2ead23d71"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/php-fig/http-message/zipball/402d35bcb92c70c026d1a6a9883f06b2ead23d71",
+                "reference": "402d35bcb92c70c026d1a6a9883f06b2ead23d71",
+                "shasum": ""
+            },
+            "require": {
+                "php": "^7.2 || ^8.0"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "2.0.x-dev"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "Psr\\Http\\Message\\": "src/"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "PHP-FIG",
+                    "homepage": "https://www.php-fig.org/"
+                }
+            ],
+            "description": "Common interface for HTTP messages",
+            "homepage": "https://github.com/php-fig/http-message",
+            "keywords": [
+                "http",
+                "http-message",
+                "psr",
+                "psr-7",
+                "request",
+                "response"
+            ],
+            "support": {
+                "source": "https://github.com/php-fig/http-message/tree/2.0"
+            },
+            "time": "2023-04-04T09:54:51+00:00"
+        },
         {
             "name": "psr/link",
             "version": "2.0.1",
@@ -3332,6 +3862,57 @@
             },
             "time": "2024-09-11T13:17:53+00:00"
         },
+        {
+            "name": "psr/simple-cache",
+            "version": "3.0.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/php-fig/simple-cache.git",
+                "reference": "764e0b3939f5ca87cb904f570ef9be2d78a07865"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/php-fig/simple-cache/zipball/764e0b3939f5ca87cb904f570ef9be2d78a07865",
+                "reference": "764e0b3939f5ca87cb904f570ef9be2d78a07865",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=8.0.0"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "3.0.x-dev"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "Psr\\SimpleCache\\": "src/"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "PHP-FIG",
+                    "homepage": "https://www.php-fig.org/"
+                }
+            ],
+            "description": "Common interfaces for simple caching",
+            "keywords": [
+                "cache",
+                "caching",
+                "psr",
+                "psr-16",
+                "simple-cache"
+            ],
+            "support": {
+                "source": "https://github.com/php-fig/simple-cache/tree/3.0.0"
+            },
+            "time": "2021-10-29T13:26:27+00:00"
+        },
         {
             "name": "symfony/asset",
             "version": "v7.1.1",
diff --git a/httpdocs/import/Import-Template.xlsx b/httpdocs/import/Import-Template.xlsx
new file mode 100644
index 0000000..46d8bc3
Binary files /dev/null and b/httpdocs/import/Import-Template.xlsx differ
diff --git a/httpdocs/src/Command/Import/ImportExcelCommand.php b/httpdocs/src/Command/Import/ImportExcelCommand.php
new file mode 100644
index 0000000..af1be00
--- /dev/null
+++ b/httpdocs/src/Command/Import/ImportExcelCommand.php
@@ -0,0 +1,359 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Command\Import;
+
+use App\Entity\Zone;
+use App\Entity\Location;
+use App\Entity\ShippingCompany;
+use App\Entity\Vessel;
+use App\Entity\Trip;
+use DateTimeImmutable;
+use Doctrine\ORM\EntityManagerInterface;
+use PhpOffice\PhpSpreadsheet\IOFactory;
+use PhpOffice\PhpSpreadsheet\Shared\Date;
+use Symfony\Component\Console\Attribute\AsCommand;
+use Symfony\Component\Console\Command\Command;
+use Symfony\Component\Console\Input\InputInterface;
+use Symfony\Component\Console\Output\OutputInterface;
+use Symfony\Component\Console\Style\SymfonyStyle;
+use Symfony\Component\DependencyInjection\ParameterBag\ParameterBagInterface;
+
+#[AsCommand(
+    name: 'app:import-excel',
+    description: 'Import excel base data'
+)]
+class ImportExcelCommand extends Command
+{
+    public function __construct(
+        private readonly EntityManagerInterface $entityManager,
+        private readonly ParameterBagInterface $params
+    ) {
+        parent::__construct();
+    }
+
+    protected function execute(InputInterface $input, OutputInterface $output): int
+    {
+        $io = new SymfonyStyle($input, $output);
+
+        // Pfad zur Excel-Datei (passen Sie diesen Pfad an Ihre Bedürfnisse an)
+        $filePath = $this->params->get('kernel.project_dir') . '/import/Import-Template.xlsx';
+
+        if (!file_exists($filePath)) {
+            $io->error('Excel file not found: ' . $filePath);
+            return Command::FAILURE;
+        }
+
+        // Starte Transaktion
+        $this->entityManager->beginTransaction();
+
+        try {
+            $io->title('Starting Excel Import');
+
+            // Lade die Excel-Datei
+            $spreadsheet = IOFactory::load($filePath);
+
+            // Importiere in der richtigen Reihenfolge (Abhängigkeiten beachten)
+            $this->importZones($spreadsheet, $io);
+            $this->entityManager->flush(); // Flush nach Zones
+
+            $this->importLocations($spreadsheet, $io);
+            $this->entityManager->flush(); // Flush nach Locations
+
+            $this->importShippingCompanies($spreadsheet, $io);
+            $this->entityManager->flush(); // Flush nach ShippingCompanies
+
+            $this->importVessels($spreadsheet, $io);
+            $this->entityManager->flush(); // Flush nach Vessels
+
+            $this->importTrips($spreadsheet, $io);
+            $this->entityManager->flush(); // Finaler Flush
+
+            // Commit Transaktion bei Erfolg
+            $this->entityManager->commit();
+
+            $io->success('Excel import completed successfully!');
+            return Command::SUCCESS;
+
+        } catch (\Exception $e) {
+            // Rollback bei Fehler
+            $this->entityManager->rollback();
+
+            $io->error('Import failed: ' . $e->getMessage());
+            return Command::FAILURE;
+        }
+    }
+
+    private function importZones($spreadsheet, SymfonyStyle $io): void
+    {
+        $io->section('Importing Zones');
+
+        $sheet = $spreadsheet->getSheetByName('zones');
+        if (!$sheet) {
+            $io->warning('Sheet "zones" not found');
+            return;
+        }
+
+        $rows = $sheet->toArray();
+        $headers = array_shift($rows);
+
+        $count = 0;
+        foreach ($rows as $row) {
+            $data = array_combine($headers, $row);
+
+            // Prüfe, ob Zone bereits existiert
+            $existingZone = $this->entityManager->getRepository(Zone::class)
+                ->findOneBy(['name' => $data['name']]);
+
+            if (!$existingZone) {
+                $zone = new Zone($data['name']);
+
+                $this->entityManager->persist($zone);
+                $count++;
+            }
+        }
+
+        $io->success("Imported $count zones");
+    }
+
+    private function importLocations($spreadsheet, SymfonyStyle $io): void
+    {
+        $io->section('Importing Locations');
+
+        $sheet = $spreadsheet->getSheetByName('locations');
+        if (!$sheet) {
+            $io->warning('Sheet "locations" not found');
+            return;
+        }
+
+        $rows = $sheet->toArray();
+        $headers = array_shift($rows);
+
+        $count = 0;
+        foreach ($rows as $row) {
+            $data = array_combine($headers, $row);
+
+            // Prüfe, ob Location bereits existiert
+            $existingLocation = $this->entityManager->getRepository(Location::class)
+                ->findOneBy(['name' => $data['name']]);
+
+            if (!$existingLocation) {
+                // Finde die zugehörige Zone
+                $zone = $this->entityManager->getRepository(Zone::class)
+                    ->findOneBy(['name' => $data['zone']]);
+
+                if ($zone) {
+                    // Generiere einen Code aus dem Namen (oder verwenden Sie Ihre eigene Logik)
+                    $code = strtoupper(substr(preg_replace('/[^a-zA-Z0-9]/', '', $data['name']), 0, 3));
+
+                    $location = new Location($zone, $data['name'], $code);
+
+                    $this->entityManager->persist($location);
+                    $count++;
+                } else {
+                    $io->warning("Zone '{$data['zone']}' not found for location '{$data['name']}'");
+                }
+            }
+        }
+
+        $io->success("Imported $count locations");
+    }
+
+    private function importShippingCompanies($spreadsheet, SymfonyStyle $io): void
+    {
+        $io->section('Importing Shipping Companies');
+
+        $sheet = $spreadsheet->getSheetByName('shipping_companies');
+        if (!$sheet) {
+            $io->warning('Sheet "shipping_companies" not found');
+            return;
+        }
+
+        $rows = $sheet->toArray();
+        $headers = array_shift($rows);
+
+        $count = 0;
+        foreach ($rows as $row) {
+            $data = array_combine($headers, $row);
+
+            // Prüfe, ob ShippingCompany bereits existiert
+            $existingCompany = $this->entityManager->getRepository(ShippingCompany::class)
+                ->findOneBy(['code' => $data['code']]);
+
+            if (!$existingCompany) {
+                $company = new ShippingCompany($data['name'], $data['code']);
+
+                $this->entityManager->persist($company);
+                $count++;
+            }
+        }
+
+        $io->success("Imported $count shipping companies");
+    }
+
+    private function importVessels($spreadsheet, SymfonyStyle $io): void
+    {
+        $io->section('Importing Vessels');
+
+        $sheet = $spreadsheet->getSheetByName('vessel');
+        if (!$sheet) {
+            $io->warning('Sheet "vessel" not found');
+            return;
+        }
+
+        $rows = $sheet->toArray();
+        $headers = array_shift($rows);
+
+        $count = 0;
+        foreach ($rows as $row) {
+            $data = array_combine($headers, $row);
+
+            // Prüfe, ob Vessel bereits existiert
+            $existingVessel = $this->entityManager->getRepository(Vessel::class)
+                ->findOneBy(['code' => $data['code']]);
+
+            if (!$existingVessel) {
+                // Finde die zugehörige Shipping Company
+                $company = $this->entityManager->getRepository(ShippingCompany::class)
+                    ->findOneBy(['name' => $data['shipping_company']]);
+
+                if ($company) {
+                    $vessel = new Vessel($company, $data['name'], $data['code']);
+
+                    // Setze optionale Felder
+                    if (isset($data['length'])) {
+                        $vessel->setLength((float)$data['length']);
+                    }
+                    if (isset($data['breadth'])) {
+                        $vessel->setBreadth((float)$data['breadth']);
+                    }
+                    if (isset($data['draft'])) {
+                        $vessel->setDraft((float)$data['draft']);
+                    }
+                    if (isset($data['gross_tonnage'])) {
+                        $vessel->setGrossTonnage((float)$data['gross_tonnage']);
+                    }
+                    if (isset($data['imo_np'])) {
+                        $vessel->setImoNo($data['imo_np']);
+                    }
+                    if (isset($data['call_sign'])) {
+                        $vessel->setCallSign($data['call_sign']);
+                    }
+
+                    $this->entityManager->persist($vessel);
+                    $count++;
+                } else {
+                    $io->warning("Shipping company '{$data['shipping_company']}' not found for vessel '{$data['name']}'");
+                }
+            }
+        }
+
+        $io->success("Imported $count vessels");
+    }
+
+    private function importTrips($spreadsheet, SymfonyStyle $io): void
+    {
+        $io->section('Importing Trips');
+
+        $sheet = $spreadsheet->getSheetByName('trip');
+        if (!$sheet) {
+            $io->warning('Sheet "trip" not found');
+            return;
+        }
+
+        $rows = $sheet->toArray();
+        $headers = array_shift($rows);
+
+        $count = 0;
+        foreach ($rows as $row) {
+            $data = array_combine($headers, $row);
+
+            // Finde das zugehörige Vessel
+            $vessel = $this->entityManager->getRepository(Vessel::class)
+                ->findOneBy(['name' => $data['vessel']]);
+
+            if (!$vessel) {
+                $io->warning("Vessel '{$data['vessel']}' not found for trip ID {$data['id']}");
+                continue;
+            }
+
+            // Finde die Start-Location
+            $startLocation = $this->entityManager->getRepository(Location::class)
+                ->findOneBy(['name' => $data['start_location']]);
+
+            if (!$startLocation) {
+                $io->warning("Start location '{$data['start_location']}' not found for trip ID {$data['id']}");
+                continue;
+            }
+
+            // Finde die End-Location
+            $endLocation = $this->entityManager->getRepository(Location::class)
+                ->findOneBy(['name' => $data['end_location']]);
+
+            if (!$endLocation) {
+                $io->warning("End location '{$data['end_location']}' not found for trip ID {$data['id']}");
+                continue;
+            }
+
+            // Konvertiere Excel-Dates und kombiniere mit Zeit
+            if (is_numeric($data['start_date'])) {
+                $startDate = Date::excelToDateTimeObject($data['start_date']);
+            } else {
+                $startDate = new \DateTime($data['start_date']);
+            }
+
+            if (is_numeric($data['start_time'])) {
+                $startTime = Date::excelToDateTimeObject($data['start_time']);
+            } else {
+                $startTime = new \DateTime($data['start_time']);
+            }
+
+            // Kombiniere Datum und Zeit für Start
+            $startDate->setTime(
+                (int)$startTime->format('H'),
+                (int)$startTime->format('i'),
+                (int)$startTime->format('s')
+            );
+            $startDateImmutable = DateTimeImmutable::createFromMutable($startDate);
+
+            // Konvertiere Excel-Dates und kombiniere mit Zeit für Ende
+            if (is_numeric($data['end_date'])) {
+                $endDate = Date::excelToDateTimeObject($data['end_date']);
+            } else {
+                $endDate = new \DateTime($data['end_date']);
+            }
+
+            if (is_numeric($data['end_time'])) {
+                $endTime = Date::excelToDateTimeObject($data['end_time']);
+            } else {
+                $endTime = new \DateTime($data['end_time']);
+            }
+
+            // Kombiniere Datum und Zeit für Ende
+            $endDate->setTime(
+                (int)$endTime->format('H'),
+                (int)$endTime->format('i'),
+                (int)$endTime->format('s')
+            );
+            $endDateImmutable = DateTimeImmutable::createFromMutable($endDate);
+
+            // Prüfe, ob Trip bereits existiert (basierend auf Vessel und Datum)
+            $existingTrip = $this->entityManager->getRepository(Trip::class)
+                ->findOneBy([
+                    'vessel' => $vessel,
+                    'startDate' => $startDateImmutable,
+                    'startLocation' => $startLocation
+                ]);
+
+            if (!$existingTrip) {
+                $trip = new Trip($vessel, $startLocation, $endLocation, $startDateImmutable, $endDateImmutable);
+                $trip->setCompleted();
+                $this->entityManager->persist($trip);
+                $count++;
+            }
+        }
+
+        $io->success("Imported $count trips");
+    }
+}
\ No newline at end of file