Export All Products - Import CSV Messes Up Shop

<?php
while(ob_get_level() > 1)
	ob_end_clean();

$config =& hikashop_config();
$format = $config->get('export_format','csv');
$separator = $config->get('csv_separator',';');
$force_quote = $config->get('csv_force_quote',1);

$export = hikashop_get('helper.spreadsheet');
$export->init($format, 'hikashopexport', $separator, $force_quote);

$characteristic = hikashop_get('class.characteristic');
$classProduct = hikashop_get('class.product');
$characteristic->loadConversionTables($this);

$db = JFactory::getDBO();
if(version_compare(JVERSION,'3.0','<')){
	$columnsTable = $db->getTableFields(hikashop_table('product'));
	$columnsArray = reset($columnsTable);
} else {
	$columnsArray = $db->getTableColumns(hikashop_table('product'));
}
$columnsArray['categories_ordering'] = 'categories_ordering';

$columns = $products_columns = array_keys($columnsArray);
$product_table_count = count($columns);

//
//
//
$columns = array_merge($columns, array(
	'parent_category' => 'parent_category',
	'categories_image' => 'categories_image',
	'categories' => 'categories',
	'price_value' => 'price_value',
	'price_currency_id' => 'price_currency_id',
	'price_min_quantity' => 'price_min_quantity',
	'price_access' => 'price_access',
	'files' => 'files',
	'images' => 'images',
	'related' => 'related',
	'options' => 'options'
));

$characteristicsColumns = array();
if(!empty($this->characteristics)) {
	foreach($this->characteristics as $characteristic) {
		if(empty($characteristic->characteristic_parent_id)) {
			if(!empty($characteristic->characteristic_alias)){
				$characteristic->characteristic_value = $characteristic->characteristic_alias;
			}
			$columns[$characteristic->characteristic_id] = $characteristic->characteristic_value;
			$characteristicsColumns[$characteristic->characteristic_id] = $characteristic->characteristic_value;
		}
	}
}
$after_category_count = count($columns)-($product_table_count+3);
$export->writeline($columns);

//
//
//
if(!empty($this->categories)) {
	foreach($this->categories as $category) {
		$data = array();
		for($i = 0; $i < $product_table_count; $i++)
			$data[] = '';
		if(!empty($category->category_parent_id) && isset($this->categories[$category->category_parent_id]))
			$data[] = $this->categories[$category->category_parent_id]->category_name;
		else
			$data[] = '';
		if(!empty($category->file_path))
			 $data[] = $category->file_path;
		else
			$data[] = '';

		$data[] = $category->category_name;
		for($i = 0; $i < $after_category_count; $i++)
			$data[] = '';
		$export->writeline($data);
	}
}

//
//
//
if(!empty($this->products)) {
	foreach($this->products as $k => $product) {
		if($product->product_type == 'variant')
			$this->products[$k]->product_parent_id = $this->products[$product->product_parent_id]->product_code;
	}
	foreach($this->products as $product) {
		$data = array();

		foreach($products_columns as $column) {
			if(!empty($product->$column) && is_array($product->$column))
				$product->$column = implode($separator,$product->$column);
			$data[] = @$product->$column;
		}

		// display category info
		//
		$categories = array();
		if(!empty($product->categories)) {
			foreach($product->categories as $category) {
				if(!empty($this->categories[$category]))
					$categories[] = str_replace(array('"',',',';'), array('""','\\,','\\;'), $this->categories[$category]->category_name);
			}
		}
		$data[] = '';
		$data[] = '';

		if(!empty($categories))
			$data[] = implode($separator,$categories);
		else
			$data[] = '';

		// display price
		//
		$values = array();
		$codes = array();
		$qtys = array();
		$accesses = array();
		if(!empty($product->prices)) {
			foreach($product->prices as $price) {
				$values[] = $price->price_value;
				$codes[] = $this->currencies[$price->price_currency_id]->currency_code;
				$qtys[] = $price->price_min_quantity;
				$accesses[] = $price->price_access;
			}

		}
		if(empty($values)) {
			$data[] = '';
			$data[] = '';
			$data[] = '';
			$data[] = '';
		} else {
			$data[] = implode('|', $values);
			$data[] = implode('|', $codes);
			$data[] = implode('|', $qtys);
			$data[] = implode('|', $accesses);
		}

		// display files
		//
		$files = array();
		if(!empty($product->files)) {
			foreach($product->files as $file) {
				$files[] = str_replace(array('"',',',';'), array('""','\\,','\\;'), $file->file_path);
			}
		}
		if(empty($files)) {
			$data[] = '';
		} else {
			$data[] = implode($separator, $files);
		}

		// display images
		//
		$images = array();
		if(!empty($product->images)) {
			foreach($product->images as $image) {
				$images[] = str_replace(array('"',',',';'), array('""','\\,','\\;'), $image->file_path);
			}
		}
		if(empty($images)) {
			$data[] = '';
		} else {
			$data[] = implode($separator, $images);
		}

		// display related
		//
		$related = array();
		if(!empty($product->related)) {
			foreach($product->related as $rel) {
				if(!isset($this->products[$rel]->product_code)) $this->products[$rel] = $classProduct->get($rel);
				$related[] = str_replace(array('"',',',';'), array('""','\\,','\\;'), @$this->products[$rel]->product_code);
			}
		}
		if(empty($related)) {
			$data[] = '';
		} else {
			$data[] = implode($separator, $related);
		}

		// display options
		//
		$options = array();
		if(!empty($product->options)) {
			foreach($product->options as $rel) {
				if(!isset($this->products[$rel]->product_code)) $this->products[$rel] = $classProduct->get($rel);
				$options[] = str_replace(array('"',',',';'), array('""','\\,','\\;'), @$this->products[$rel]->product_code);
			}
		}
		if(empty($options)) {
			$data[] = '';
		} else {
			$data[] = implode($separator, $options);
		}

		// characteristics
		//
		if(!empty($product->variant_links)) {
			$characteristics = array();
			if(!empty($characteristicsColumns)) {
				foreach($product->variant_links as $char_id) {
					if(!empty($this->characteristics[$char_id])) {
						$char = $this->characteristics[$char_id];
						if(!empty($this->characteristics[$char->characteristic_parent_id])) {
							$characteristics[$char->characteristic_parent_id] = str_replace('"','""',$char->characteristic_value);
						}
					}
				}
				foreach($characteristicsColumns as $key => $characteristic){
					$data[] = @$characteristics[$key];
				}
			}
		} elseif(!empty($characteristicsColumns)) {
			for($i = 0; $i < count($characteristicsColumns); $i++) {
				$data[] = '';
			}
		}
		$export->writeLine($data);
	}
}

$export->send();
exit;