[当我尝试更新与某些类别相关的现有产品时，我正在Opencart中开发扩展，尽管我在产品导入或更新中禁用了所有分类功能，但产品仍未分类并保留其类别。
这里是产品导入和更新功能的代码段：
public function format_product( $product, $update = false, $force_update = false ){
if( empty( $product ) ){
return $product;
}
if( !$update || $force_update ){
$temp = array(
'product_description' => array(),
'model' => isset( $product->sku ) ? $product->sku : '',
'sku' => isset( $product->sku ) ? $product->sku : '',
'upc' => '',
'ean' => '',
'jan' => '',
'isbn' => '',
'mpn' => '',
'location' => '',
'price' => '0',
'points' => '',
'tax_class_id' => '0',
'quantity' => '0',
'minimum' => '1',
'subtract' => '1',
'stock_status_id' => '5',
'shipping' => '1',
'date_available' => date( 'Y-m-d', strtotime( '-1 day') ),
'length' => '',
'width' => '',
'height' => '',
'length_class_id' => '1',
'weight' => '',
'weight_class_id' => '1',
'status' => '1',
'sort_order' => '0',
'manufacturer' => '',
'manufacturer_id' => '0',
'product_store' => array(0),
// 'product_category' => array(),
'product_option' => array(),
'image' => '' // This is Pending.
);
// Add to selected stores.
if ( !empty( $this->all_stores ) ) {
$temp['product_store'] = $this->all_stores;
}
$languageCodes = array();
foreach ( $this->languages as $key => $lng ) {
// Check for name in current language.
$lng_code = explode( '-', $lng['code'] );
$lng_code = $lng_code[0];
$name = $product->name;
$description = $product->description;
/*$product_name = array_key_exists( $lng_code, $name ) ? $name[$lng_code] : $name['en'];
$product_desc = array_key_exists( $lng_code, $description ) ? $description[$lng_code] : $description['en'];*/
$product_name = isset( $name->$lng_code ) ? $name->$lng_code : '';
if( empty( $product_name )){
$product_name = isset( $name->en ) ? $name->en : '';
}
/*set url*/
if(version_compare(VERSION, '3.0.0','<') ) {
if(isset($name->en)){
$urlData = $name->en;
}elseif (isset($name->$lng_code)) {
$urlData = $name->en;
}
if(!empty($urlData)){
$url = strtolower($urlData);
$urlKey = str_replace(' ', '-', $url);
$temp['keyword'] = $urlKey;
}
}
/*set url*/
$product_desc = isset( $description->$lng_code ) ? $description->$lng_code : '';
if( empty( $product_desc )){
$product_desc = isset( $description->en ) ? $description->en : '';
}
$temp['product_description'][$lng['language_id']] = array(
'name' => $product_name,
'description' => $product_desc,
'meta_title' => $product_name,
'meta_description' => '',
'meta_keyword' => '',
'tag' => '',
);
$languageCodes[] = $lng_code;
$languageIds[$lng_code] = $lng['language_id'];
}
/*attribute group code*/
if(!empty($languageCodes)){
$language_code = $languageCodes[0];
$attributeGrouplanguageId = $languageIds[$language_code];
}
/*load model*/
if( $this->is_admin ){
$this->load->model('catalog/attribute_group');
}else{
$admin_dir = str_replace( 'system/', 'admin/', DIR_SYSTEM );
require_once $admin_dir . "model/catalog/attribute_group.php";
$this->model_catalog_attribute_group = new ModelCatalogAttributeGroup( $this->registry );
}
/*load model*/
$attribute_group_id = $this->model_extension_module_knawat_dropshipping->getAttributeGroup('knawat');
if(!$attribute_group_id){
/*add attribute set*/
$attributeGroupArray = array();
$attributeGroupArray['sort_order'] = 2;
$attributeGroupArray['attribute_group_description'][$attributeGrouplanguageId] = array(
'name' => 'Knawat'
);
$attribute_group_id = $this->model_catalog_attribute_group->addAttributeGroup($attributeGroupArray);
}
/*add attribute set*/
/*attribute group code*/
/*load model*/
if( $this->is_admin ){
$this->load->model('catalog/attribute');
}else{
$admin_dir = str_replace( 'system/', 'admin/', DIR_SYSTEM );
require_once $admin_dir . "model/catalog/attribute.php";
$this->model_catalog_attribute = new ModelCatalogAttribute( $this->registry );
}
/*load model*/
/*variation array*/
if (isset($product->variations[0]->attributes) && !empty($product->variations[0]->attributes)) {
$attribute = $product->variations[0]->attributes;
if($attribute[0]){
if (isset($attribute[0]->name) || !empty($attribute[0]->name) ) {
$variationdata = (array)$attribute[0]->name;
}
}
}
/*variation array*/
/*attribute code*/
if (isset($product->attributes) && !empty($product->attributes)) {
$subArray = array();
foreach ($product->attributes as $key => $attribute) {
$attributeNames = (array)$attribute->name;
foreach ($attributeNames as $key => $value) {
if(!empty($variationdata[$key]) && !in_array($variationdata[$key], $attributeNames)){
if(in_array($key, $languageCodes)){
$attributeId = $this->model_extension_module_knawat_dropshipping->getAttributeData($value);
if(!$attributeId){
$languageId = $languageIds[$key];
$newArray[$languageId] = array(
'language_id' => $languageId,
'name' => $value
);
}
}
}
}
if(!empty($newArray)){
$subArray['attribute_group_id'] = $attribute_group_id;
$subArray['sort_order'] = 2;
$subArray['attribute_description'] = $newArray;
$this->model_catalog_attribute->addAttribute($subArray);
}
}
}
/*attribute code*/
/*product code*/
if(!empty($product->attributes)){
foreach ($product->attributes as $key => $attribute) {
$attributeNames = (array)$attribute->name;
if($variationdata != $attributeNames){
$productAttributes = array();
foreach ($attributeNames as $key => $value) {
if(in_array($key, $languageCodes)){
$languageId = $languageIds[$key];
if(isset($attribute->options[0]->$key)){
$options = $attribute->options[0]->$key;
}else{
if(isset($attribute->options[0]->en)){
$options = $attribute->options[0]->en;
}else if (isset($attribute->options[0]->ar)) {
$options = $attribute->options[0]->ar;
}else if (isset($attribute->options[0]->tr)){
$options = $attribute->options[0]->tr;
}
}
$attributeId = $this->model_extension_module_knawat_dropshipping->getAttributeData($value);
$productAttributes[$languageId] = array(
'text' => $options
);
$attributeId = (int) $attributeId;
$temp['product_attribute'][] = array(
'attribute_id' => $attributeId,
'product_attribute_description' => $productAttributes
);
}
}
}
}
}
/*product code end*/
/**
* Setup Product Category.
*/
//make products get uncategorized in both import and update.
// if( isset( $product->categories ) && !empty( $product->categories ) ) {
// $new_cats = array();
// foreach ( $product->categories as $category ) {
// if( isset( $category->name ) && !empty( $category->name ) ){
// $new_cats[] = (array)$category->name;
// }
// }
// $temp['product_category'] = $this->model_extension_module_knawat_dropshipping->parse_categories( $new_cats );
// }
/**
* Setup Product Images.
*/
if( isset( $product->images ) && !empty( $product->images ) ) {
$images = (array)$product->images;
$product_sku = isset( $product->sku ) ? $product->sku : '';
$product_images = $this->parse_product_images( $images, $product_sku );
if( !empty( $product_images ) ){
$temp['image'] = $product_images[0];
unset( $product_images[0] );
if( count( $product_images ) > 0 ){
foreach ($product_images as $pimage ) {
$temp_image['image'] = $pimage;
$temp_image['sort_order'] = '0';
$temp['product_image'][] = $temp_image;
}
}
}
}
}else{
$temp = array();
}
if( isset( $product->variations ) && !empty( $product->variations ) ){
$quantity = 0;
$price = $product->variations[0]->sale_price;
if( isset( $product->variations[0]->market_price ) ){
$market_price = $product->variations[0]->market_price;
}
if( empty( $market_price ) ){
$market_price = $price;
}
foreach ( $product->variations as $vvalue ) {
$quantity += $vvalue->quantity;
}
if(isset($product->variations[0]->weight)){
$weight = $product->variations[0]->weight;
$temp['weight'] = $weight;
}
$temp['price'] = $market_price;
$temp['quantity'] = $quantity;
if( $quantity > 0 ){
$temp['stock_status_id'] = '7';
}else{
$temp['stock_status_id'] = '5';
}
if(!empty($price)){
if($price < $market_price){
$temp['product_special'][] = array(
'customer_group_id' => 1,
'price' => $price,
'priority' => 1,
'date_start' => 0000-00-00,
'date_end' => 0000-00-00
);
}
}
$temp['product_option'] = $this->model_extension_module_knawat_dropshipping->parse_product_options( $product->variations, $price,$update );
}
if(!empty($temp['product_option'])){
foreach ($temp['product_option'] as $key) {
$i = 0;
if(isset($key['product_option_value'])){
$j = count($key['product_option_value']);
}else{
$j = 0;
}
foreach ($key['product_option_value'] as $value) {
if($value['quantity'] == 0){
$i++;
}
}
}
if($i == $j){
$temp['stock_status_id'] = '5';
}
}
if(empty($temp['product_option']) && !$update){
$this->log->write("Product Failed , It's variations not available or available with zero quantity, Sku : ".$temp['sku']);
return false;
}
///////////////////////////////////
/////// @TODO Custom Fields ///////
///////////////////////////////////
error_log("Orginal Product: " . json_encode($product));
error_log("temp Product: " . json_encode($temp));
return $temp;
}
如果有人可以帮助我解决这个问题。谢谢
因此，此问题的答案如下：
在开始修改现有产品之前，Opencart中editProduct类中的CatalogModel函数会删除所有relation_id_to_category，因此，为了不删除产品中的附加类别，您应该注释掉以下代码行以及所有内容尽管应该这样做，但可能会影响Opencart中的其他模块，因此请您自担风险。