qdr.app.woo.plugins/studiou-wc-ord-print-statuses/includes/class-import-manager.php

<?php

//  Handles import functionality for InPrint and Delivered protocols.
// visualized
class Import_Manager {
    public function __construct() {
        add_action('admin_menu', array($this, 'add_import_submenu'));
        add_action('admin_post_import_inprint_protocol', array($this, 'handle_import_inprint_protocol'));
        add_action('admin_post_import_delivered_protocol', array($this, 'handle_import_delivered_protocol'));
    }

    public function add_import_submenu() {
        add_submenu_page(
            'woocommerce',
            __('Import Protocols', 'studiou-wc-ord-print-statuses'),
            __('Import Protocols', 'studiou-wc-ord-print-statuses'),
            'manage_woocommerce',
            'studiou-import-protocols',
            array($this, 'render_import_page')
        );
    }

    public function render_import_page() {
        ?>
        <div class="wrap">
            <h1><?php echo esc_html(get_admin_page_title()); ?></h1>
            
            <h2><?php _e('Import InPrint Protocol', 'studiou-wc-ord-print-statuses'); ?></h2>
            <form method="post" action="<?php echo esc_url(admin_url('admin-post.php')); ?>" enctype="multipart/form-data">
                <input type="hidden" name="action" value="import_inprint_protocol">
                <?php wp_nonce_field('import_inprint_protocol', 'import_inprint_protocol_nonce'); ?>
                <input type="file" name="inprint_csv" accept=".csv" required>
                <?php submit_button(__('Import InPrint Protocol', 'studiou-wc-ord-print-statuses')); ?>
            </form>

            <h2><?php _e('Import Delivered Protocol', 'studiou-wc-ord-print-statuses'); ?></h2>
            <form method="post" action="<?php echo esc_url(admin_url('admin-post.php')); ?>" enctype="multipart/form-data">
                <input type="hidden" name="action" value="import_delivered_protocol">
                <?php wp_nonce_field('import_delivered_protocol', 'import_delivered_protocol_nonce'); ?>
                <input type="file" name="delivered_csv" accept=".csv" required>
                <?php submit_button(__('Import Delivered Protocol', 'studiou-wc-ord-print-statuses')); ?>
            </form>
        </div>
        <?php
    }

    public function handle_import_inprint_protocol() {
        if (!current_user_can('manage_woocommerce')) {
            wp_die(__('You do not have sufficient permissions to access this page.', 'studiou-wc-ord-print-statuses'));
        }

        check_admin_referer('import_inprint_protocol', 'import_inprint_protocol_nonce');

        if (!isset($_FILES['inprint_csv'])) {
            wp_die(__('No file uploaded.', 'studiou-wc-ord-print-statuses'));
        }

        $file = $_FILES['inprint_csv'];
        $csv_data = $this->parse_csv($file['tmp_name']);

        if (!$csv_data) {
            wp_die(__('Error parsing CSV file.', 'studiou-wc-ord-print-statuses'));
        }

        $updated_count = 0;
        $errors = array();

        foreach ($csv_data as $row) {
            if (!isset($row['order_no']) || !isset($row['ExternalOrder']) || !isset($row['ExternalOrderDate'])) {
                $errors[] = __('Invalid row format in CSV.', 'studiou-wc-ord-print-statuses');
                continue;
            }

            $order = wc_get_order($row['order_no']);
            if (!$order) {
                $errors[] = sprintf(__('Order %s not found.', 'studiou-wc-ord-print-statuses'), $row['order_no']);
                continue;
            }
            $order->update_status('wc-in-print');
            $order->update_meta_data('in_print_date', current_time('mysql'));
            $order->update_meta_data('external_ref_ord_no', $row['ExternalOrder']);
            $order->update_meta_data('external_ref_ord_date', $row['ExternalOrderDate']);
            $order->save();

            $updated_count++;
        }

        $message = sprintf(__('%d orders updated successfully.', 'studiou-wc-ord-print-statuses'), $updated_count);
        if (!empty($errors)) {
            $message .= ' ' . sprintf(__('%d errors occurred: %s', 'studiou-wc-ord-print-statuses'), count($errors), implode(', ', $errors));
        }

        wp_redirect(add_query_arg('message', urlencode($message), admin_url('admin.php?page=studiou-import-protocols')));
        exit;
    }

    public function handle_import_delivered_protocol() {
        if (!current_user_can('manage_woocommerce')) {
            wp_die(__('You do not have sufficient permissions to access this page.', 'studiou-wc-ord-print-statuses'));
        }

        check_admin_referer('import_delivered_protocol', 'import_delivered_protocol_nonce');

        if (!isset($_FILES['delivered_csv'])) {
            wp_die(__('No file uploaded.', 'studiou-wc-ord-print-statuses'));
        }

        $file = $_FILES['delivered_csv'];
        $csv_data = $this->parse_csv($file['tmp_name']);

        if (!$csv_data) {
            wp_die(__('Error parsing CSV file.', 'studiou-wc-ord-print-statuses'));
        }

        $updated_count = 0;
        $errors = array();

        foreach ($csv_data as $row) {
            if (!isset($row['order_no'])) {
                $errors[] = __('Invalid row format in CSV.', 'studiou-wc-ord-print-statuses');
                continue;
            }
           
            $order = wc_get_order($row['order_no']);
            if (!$order) {
                $errors[] = sprintf(__('Order %s not found.', 'studiou-wc-ord-print-statuses'), $row['order_no']);
                continue;
            }

            $order->update_status('wc-completed');
            $order->update_meta_data('external_ref_ord_delivered', current_time('mysql'));
            $order->save();

            $updated_count++;
        }

        $message = sprintf(__('%d orders updated successfully.', 'studiou-wc-ord-print-statuses'), $updated_count);
        if (!empty($errors)) {
            $message .= ' ' . sprintf(__('%d errors occurred: %s', 'studiou-wc-ord-print-statuses'), count($errors), implode(', ', $errors));
        }

        wp_redirect(add_query_arg('message', urlencode($message), admin_url('admin.php?page=studiou-import-protocols')));
        exit;
    }

    private function parse_csv($file_path) {
        $csv_data = array();
        if (($handle = fopen($file_path, "r")) !== FALSE) {
            $headers = fgetcsv($handle, 1000, ";");
            while (($data = fgetcsv($handle, 1000, ";")) !== FALSE) {
                $csv_data[] = array_combine($headers, $data);
            }
            fclose($handle);
        }
        return $csv_data;
    }
}