{"id":386246,"date":"2023-06-08T14:05:10","date_gmt":"2023-06-08T14:05:10","guid":{"rendered":"https:\/\/webkul.com\/blog\/?p=386246"},"modified":"2023-06-08T14:05:18","modified_gmt":"2023-06-08T14:05:18","slug":"create-opencart-version4-shipping","status":"publish","type":"post","link":"https:\/\/webkul.com\/blog\/create-opencart-version4-shipping\/","title":{"rendered":"Create a shipping extension in Opencart v4"},"content":{"rendered":"\n

In our previous blog post, we explored the process of creating a module in Opencart version 4<\/a>. Now, we will learn to create a shipping extension in Opencart version 4. Shipping plays a vital role in the e-commerce website.<\/p>\n\n\n\n

Gaining a comprehensive understanding of the shipping extension is crucial to fully grasp this aspect within the context of Opencart.<\/p>\n\n\n\n

To begin, it is essential to familiarize ourselves with the folder structure of an extension.<\/p>\n\n\n\n

Folder structure<\/strong><\/p>\n\n\n\n

\"shipping-folder-structure\"<\/figure>\n\n\n\n

Shipping extension backend code<\/strong><\/h2>\n\n\n\n

Finally, we have our folder structure in place, let\u2019s start creating an extension, we will show \u201dWebkul Shipping Rates\u201d on the product checkout page.<\/p>\n\n\n\n

admin\/controller\/shipping\/example_shipping.php<\/strong><\/p>\n\n\n\n

<?php\n\/**\n * Extension name: Webkul Shipping\n * Descrption: Using this extension we will show shipping charges on the checkout page.\n * Author: Webkul Software Pvt. Ltd. \n * \n *\/\nnamespace Opencart\\Admin\\Controller\\Extension\\ExampleShipping\\Shipping;\n\nclass ExampleShipping extends \\Opencart\\System\\Engine\\Controller {\n\t\n\t\/**\n\t * index\n\t *\n\t * @return void\n\t *\/\n\tpublic function index(): void {\n\t\t\n\t\t$this->load->language('extension\/example_shipping\/shipping\/example_shipping');\n\n\t\t$this->document->setTitle($this->language->get('heading_title'));\n\n\t\t$data['breadcrumbs'] = [];\n\n\t\t$data['breadcrumbs'][] = [\n\t\t\t'text' => $this->language->get('text_home'),\n\t\t\t'href' => $this->url->link('common\/dashboard', 'user_token=' . $this->session->data['user_token'])\n\t\t];\n\n\t\t$data['breadcrumbs'][] = [\n\t\t\t'text' => $this->language->get('text_extension'),\n\t\t\t'href' => $this->url->link('marketplace\/extension', 'user_token=' . $this->session->data['user_token'] . '&type=shipping')\n\t\t];\n\n\t\tif (!isset($this->request->get['module_id'])) {\n\t\t\t$data['breadcrumbs'][] = [\n\t\t\t\t'text' => $this->language->get('heading_title'),\n\t\t\t\t'href' => $this->url->link('extension\/example_shipping\/shipping\/example_shipping', 'user_token=' . $this->session->data['user_token'])\n\t\t\t];\n\t\t} else {\n\t\t\t$data['breadcrumbs'][] = [\n\t\t\t\t'text' => $this->language->get('heading_title'),\n\t\t\t\t'href' => $this->url->link('extension\/example_shipping\/shipping\/example_shipping', 'user_token=' . $this->session->data['user_token'] . '&module_id=' . $this->request->get['module_id'])\n\t\t\t];\n\t\t}\n\n\t\t$data['save'] = $this->url->link('extension\/example_shipping\/shipping\/example_shipping.save', 'user_token=' . $this->session->data['user_token']);\n\t\t$data['back'] = $this->url->link('marketplace\/extension', 'user_token=' . $this->session->data['user_token'] . '&type=shipping');\n\n        \/\/ getting configuration from config\n\t\t$data['shipping_example_shipping_cost'] = $this->config->get('shipping_example_shipping_cost');\n\t\t$data['shipping_example_shipping_tax_class_id'] = $this->config->get('shipping_example_shipping_tax_class_id');\n\n        \/\/ loading tax_class model\n\t\t$this->load->model('localisation\/tax_class');\n\n        \/\/ getting all tax classes\n\t\t$data['tax_classes'] = $this->model_localisation_tax_class->getTaxClasses();\n\n\t\t$data['shipping_example_shipping_geo_zone_id'] = $this->config->get('shipping_example_shipping_geo_zone_id');\n\n        \/\/ loading geo_zone model\n\t\t$this->load->model('localisation\/geo_zone');\n\n        \/\/ getting all geo zones\n\t\t$data['geo_zones'] = $this->model_localisation_geo_zone->getGeoZones();\n\n\t\t$data['shipping_example_shipping_status'] = $this->config->get('shipping_example_shipping_status');\n\t\t$data['shipping_example_shipping_sort_order'] = $this->config->get('shipping_example_shipping_sort_order');\n\n\t\t$data['header'] = $this->load->controller('common\/header');\n\t\t$data['column_left'] = $this->load->controller('common\/column_left');\n\t\t$data['footer'] = $this->load->controller('common\/footer');\n\n\t\t$this->response->setOutput($this->load->view('extension\/example_shipping\/shipping\/example_shipping', $data));\n\t}\n\t\n\t\/**\n\t * save method\n\t *\n\t * @return void\n\t *\/\n\tpublic function save(): void {\n        \/\/ loading example shipping language\n\t\t$this->load->language('extension\/example_shipping\/shipping\/example_shipping');\n\n\t\t$json = [];\n\n        \/\/ checking file modification permission\n\t\tif (!$this->user->hasPermission('modify', 'extension\/example_shipping\/shipping\/example_shipping')) {\n\t\t\t$json['error']['warning'] = $this->language->get('error_permission');\n\t\t}\n\n\t\tif (!$json) {\n\t\t\t$this->load->model('setting\/setting');\n\n\t\t\t$this->model_setting_setting->editSetting('shipping_example_shipping', $this->request->post);\n\n\t\t\t$json['success'] = $this->language->get('text_success');\n\t\t}\n\n\t\t$this->response->addHeader('Content-Type: application\/json');\n\t\t$this->response->setOutput(json_encode($json));\n\t}\n\n}<\/pre>\n\n\n\n
admin\/language\/en-gb\/shipping\/example_shipping.php<\/strong><\/p>\n\n\n\n
<?php\n\/**\n * Webkul Software\n * \n * @category Webkul\n * @package Opencart Shipping Tutorial\n * @author [Webkul] <[<http:\/\/webkul.com\/>]>\n * @copyright Copyright (c) Webkul Software Private Limited (https:\/\/webkul.com)\n * @license https:\/\/store.webkul.com\/license.html\n *\/\n\/\/ Heading\n$_['heading_title']    = 'Webkul Shipping';\n\n\/\/ Text\n$_['text_shipping']    = 'Shipping';\n$_['text_success']     = 'Success: You have modified Webkul Shipping!';\n$_['text_edit']        = 'Edit Webkul Shipping';\n\n\/\/ Entry\n$_['entry_tax_class']  = 'Tax Class';\n$_['entry_geo_zone']   = 'Geo Zone';\n$_['entry_status']     = 'Status';\n$_['entry_sort_order'] = 'Sort Order';\n$_['entry_cost']       = 'Shipping Cost';\n\n\/\/ Error\n$_['error_permission'] = 'Warning: You do not have permission to modify Webkul Shipping!';<\/pre>\n\n\n\n
admin\/view\/template\/shipping\/example_shipping.twig<\/strong><\/p>\n\n\n\n
{{ header }}{{ column_left }}\n<div id="content">\n\t<div class="page-header">\n\t\t<div class="container-fluid">\n\t\t\t<div class="float-end">\n\t\t\t\t<button type="submit" form="form-shipping" data-bs-toggle="tooltip" title="{{ button_save }}" class="btn btn-primary">\n\t\t\t\t\t<i class="fa-solid fa-save"><\/i>\n\t\t\t\t<\/button>\n\t\t\t\t<a href="{{ back }}" data-bs-toggle="tooltip" title="{{ button_back }}" class="btn btn-light">\n\t\t\t\t\t<i class="fa-solid fa-reply"><\/i>\n\t\t\t\t<\/a>\n\t\t\t<\/div>\n\t\t\t<h1>{{ heading_title }}<\/h1>\n\t\t\t<ol class="breadcrumb">\n\t\t\t\t{% for breadcrumb in breadcrumbs %}\n\t\t\t\t\t<li class="breadcrumb-item">\n\t\t\t\t\t\t<a href="{{ breadcrumb.href }}">{{ breadcrumb.text }}<\/a>\n\t\t\t\t\t<\/li>\n\t\t\t\t{% endfor %}\n\t\t\t<\/ol>\n\t\t<\/div>\n\t<\/div>\n\t<div class="container-fluid">\n\t\t<div class="card">\n\t\t\t<div class="card-header">\n\t\t\t\t<i class="fa-solid fa-pencil"><\/i>\n\t\t\t\t{{ text_edit }}<\/div>\n\t\t\t<div class="card-body">\n\t\t\t\t<form id="form-shipping" action="{{ save }}" method="post" data-oc-toggle="ajax">\n\t\t\t\t\t<div class="row mb-3">\n\t\t\t\t\t\t<label for="input-cost" class="col-sm-2 col-form-label">{{ entry_cost }}<\/label>\n\t\t\t\t\t\t<div class="col-sm-10">\n\t\t\t\t\t\t\t<input type="text" name="shipping_example_shipping_cost" value="{{ shipping_example_shipping_cost }}" placeholder="{{ entry_cost }}" id="input-cost" class="form-control"\/>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div class="row mb-3">\n\t\t\t\t\t\t<label for="input-tax-class" class="col-sm-2 col-form-label">{{ entry_tax_class }}<\/label>\n\t\t\t\t\t\t<div class="col-sm-10">\n\t\t\t\t\t\t\t<select name="shipping_example_shipping_tax_class_id" id="input-tax-class" class="form-select">\n\t\t\t\t\t\t\t\t<option value="0">{{ text_none }}<\/option>\n\t\t\t\t\t\t\t\t{% for tax_class in tax_classes %}\n\t\t\t\t\t\t\t\t\t<option value="{{ tax_class.tax_class_id }}" {% if tax_class.tax_class_id == shipping_example_shipping_tax_class_id %} selected {% endif %}>{{ tax_class.title }}<\/option>\n\t\t\t\t\t\t\t\t{% endfor %}\n\t\t\t\t\t\t\t<\/select>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div class="row mb-3">\n\t\t\t\t\t\t<label for="input-geo-zone" class="col-sm-2 col-form-label">{{ entry_geo_zone }}<\/label>\n\t\t\t\t\t\t<div class="col-sm-10">\n\t\t\t\t\t\t\t<select name="shipping_example_shipping_geo_zone_id" id="input-geo-zone" class="form-select">\n\t\t\t\t\t\t\t\t<option value="0">{{ text_all_zones }}<\/option>\n\t\t\t\t\t\t\t\t{% for geo_zone in geo_zones %}\n\t\t\t\t\t\t\t\t\t<option value="{{ geo_zone.geo_zone_id }}" {% if geo_zone.geo_zone_id == shipping_example_shipping_geo_zone_id %} selected {% endif %}>{{ geo_zone.name }}<\/option>\n\t\t\t\t\t\t\t\t{% endfor %}\n\t\t\t\t\t\t\t<\/select>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div class="row mb-3">\n\t\t\t\t\t\t<label for="input-status" class="col-sm-2 col-form-label">{{ entry_status }}<\/label>\n\t\t\t\t\t\t<div class="col-sm-10">\n\t\t\t\t\t\t\t<div class="form-check form-switch form-switch-lg">\n\t\t\t\t\t\t\t\t<input type="hidden" name="shipping_example_shipping_status" value="0"\/>\n\t\t\t\t\t\t\t\t<input type="checkbox" name="shipping_example_shipping_status" value="1" id="input-status" class="form-check-input" {% if shipping_example_shipping_status %} checked {% endif %}\/>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div class="row mb-3">\n\t\t\t\t\t\t<label for="input-sort-order" class="col-sm-2 col-form-label">{{ entry_sort_order }}<\/label>\n\t\t\t\t\t\t<div class="col-sm-10">\n\t\t\t\t\t\t\t<input type="text" name="shipping_example_shipping_sort_order" value="{{ shipping_example_shipping_sort_order }}" placeholder="{{ entry_sort_order }}" id="input-sort-order" class="form-control"\/>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/form>\n\t\t\t<\/div>\n\t\t<\/div>\n\t<\/div>\n<\/div>\n{{ footer }}<\/pre>\n\n\n\n
Now, let’s initiate the development of the frontend code to display the shipping rates on the checkout page.<\/p>\n\n\n\n
Frontend code<\/strong><\/h2>\n\n\n\n
catalog\/model\/shipping\/example_shipping.php<\/strong><\/p>\n\n\n\n
<?php\n\/**\n * Extension name: Webkul Shipping\n * Descrption: Using this extension we will show shipping charges on the checkout page.\n * Author: Webkul Software Pvt. Ltd. \n * \n *\/\nnamespace Opencart\\Catalog\\Model\\Extension\\ExampleShipping\\Shipping;\n\nclass ExampleShipping extends \\Opencart\\System\\Engine\\Model {\n    \t\n\t\/**\n\t * getQuote\n\t *\n\t * @param  array $address\n\t * @return array\n\t *\/\n\tfunction getQuote(array $address): array {\n\t\t$this->load->language('extension\/example_shipping\/shipping\/example_shipping');\n\t\t\n        \/\/ getting geozone lists\n\t\t$query = $this->_getGeoZone($address);\n\n\t\tif (!$this->config->get('shipping_example_shipping_geo_zone_id')) {\n\t\t\t$status = true;\n\t\t} elseif ($query->num_rows) {\n\t\t\t$status = true;\n\t\t} else {\n\t\t\t$status = false;\n\t\t}\n\n\t\t$method_data = [];\n\n\t\tif ($status) {\n\t\t\t$quote_data = [];\n\n            \/\/ shipping data\n\t\t\t$quote_data['example_shipping'] = [\n\t\t\t\t'code'         => 'example_shipping.example_shipping',\n\t\t\t\t'name'         => $this->language->get('text_description'),\n\t\t\t\t'cost'         => $this->config->get('shipping_example_shipping_cost'),\n\t\t\t\t'tax_class_id' => $this->config->get('shipping_example_shipping_tax_class_id'),\n\t\t\t\t'text'         => $this->currency->format($this->tax->calculate($this->config->get('shipping_example_shipping_cost'), $this->config->get('shipping_example_shipping_tax_class_id'), $this->config->get('config_tax')), $this->session->data['currency'])\n\t\t\t];\n\n            \/\/ shipping charges array data\n\t\t\t$method_data = [\n\t\t\t\t'code'       => 'example_shipping',\n\t\t\t\t'name'       => $this->language->get('heading_title'),\n\t\t\t\t'quote'      => $quote_data,\n\t\t\t\t'sort_order' => $this->config->get('shipping_example_shipping_sort_order'),\n\t\t\t\t'error'      => false\n\t\t\t];\n\t\t}\n\n        \/\/ return shipping data\n\t\treturn $method_data;\n\t}\n    \n    \/**\n     * _getGeoZone\n     *\n     * @param  array $address\n     * @return array\n     *\/\n    protected function _getGeoZone($address = array()) {\n\n        return $this->db->query("\n            SELECT * FROM `" . DB_PREFIX . "zone_to_geo_zone`\n                WHERE `geo_zone_id` = '" . (int)$this->config->get('shipping_example_shipping_geo_zone_id') . "'\n                    AND `country_id` = '" . (int)$address['country_id'] . "'\n                    AND (`zone_id` = '" . (int)$address['zone_id'] . "'\n                    OR `zone_id` = '0')"\n        );\n    }\n}<\/pre>\n\n\n\n
catalog\/language\/en-gb\/shipping\/example_shipping.php<\/strong><\/p>\n\n\n\n
<?php\n\/**\n * Webkul Software\n * \n * @category Webkul\n * @package Opencart Shipping Tutorial\n * @author [Webkul] <[<http:\/\/webkul.com\/>]>\n * @copyright Copyright (c) Webkul Software Private Limited (https:\/\/webkul.com)\n * @license https:\/\/store.webkul.com\/license.html\n *\/\n\n\/\/ Heading\n$_['heading_title']    = 'Webkul Shipping Rate';\n\n\/\/ Text\n$_['text_description'] = 'Webkul Shipping Rate';<\/pre>\n\n\n\n
Once you have created the extension, you will need to include some information within the module\u2019s \u201cinstall.json\u201d file. This file supports the following keys: name, version, author, and link.<\/p>\n\n\n\n
{\n  "name": "Webkul Shipping Extension",\n  "version": "1.0",\n  "author": "Webkul Software Pvt. Ltd.",\n  "link": "https:\/\/www.webkul.com",\n  "instruction": ""\n}<\/pre>\n\n\n\n
Once install.json is inside the directory, you can zip it and name it that ends with .ocmod.zip, then uploads it from the Opencart extension installer.<\/p>\n\n\n\n
\"extension-installer\"<\/figure>\n\n\n\n
Upon successful installation of the extension, you can locate it by navigating to “Extensions > Extensions > Shipping” where it will be listed for further configuration and customization.<\/p>\n\n\n\n
\"webkul-Extensions\"<\/figure>\n\n\n\n
\"shipping-configurtaion\"<\/figure>\n\n\n\n
Once the configuration is complete, the “Webkul Shipping” shipping method will become visible on the checkout page for you to select and proceed with your order.<\/p>\n\n\n\n
\"checkout-shipping\"<\/figure>\n\n\n\n
These instructions will guide you through the process of creating a shipping module for Opencart.<\/p>\n\n\n\n
If you need custom Opencart Development services<\/a> then feel free to reach us<\/a> and also explore our exclusive range of Opencart Addons<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"
In our previous blog post, we explored the process of creating a module in Opencart version 4. Now, we will learn to create a shipping extension in Opencart version 4. Shipping plays a vital role in the e-commerce website. Gaining a comprehensive understanding of the shipping extension is crucial to fully grasp this aspect within […]<\/a><\/p>\n","protected":false},"author":530,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[305],"tags":[2071,4762,14201,14358],"class_list":["post-386246","post","type-post","status-publish","format-standard","hentry","category-opencart","tag-opencart","tag-opencart-shipping","tag-opencart-version4-2","tag-opencart-version4-shipping"],"yoast_head":"\nCreate a shipping extension in Opencart v4 - Webkul Blog<\/title>\n<meta name=\"description\" content=\"Guide to creating an Opencart v4 shipping module, optimizing e-commerce site with advanced shipping features for a smooth checkout experience.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/webkul.com\/blog\/create-opencart-version4-shipping\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Create a shipping extension in Opencart v4 - 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