/**
 * Axelor Business Solutions
 *
 * Copyright (C) 2017 Axelor (<http://axelor.com>).
 *
 * This program is free software: you can redistribute it and/or  modify
 * it under the terms of the GNU Affero General Public License, version 3,
 * as published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
package com.axelor.csv.script;

import java.io.File;
import java.nio.file.Path;
import java.util.Map;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import com.axelor.apps.base.db.Product;
import com.axelor.apps.base.db.repo.ProductRepository;
import com.axelor.apps.base.service.ProductService;
import com.axelor.meta.MetaFiles;
import com.axelor.meta.db.MetaFile;
import com.google.inject.Inject;

public class ImportProduct {
	
	private final Logger LOG = LoggerFactory.getLogger(getClass());
	
	@Inject
	ProductService productService;
	
	@Inject
	ProductRepository productRepo;
	
	@Inject
	MetaFiles metaFiles;
	
	public Object importProduct(Object bean, Map<String,Object> values) {
		
		assert bean instanceof Product;
		
		Product product = (Product) bean;
		
		final Path path = (Path) values.get("__path__");
		String fileName = (String) values.get("picture_fileName");
		
		try {
			final File image = path.resolve(fileName).toFile(); 
			final MetaFile metaFile = metaFiles.upload(image);
			product.setPicture(metaFile);
		} catch (Exception e) {
			e.printStackTrace();
		}
		
		return productRepo.save(product);
	}
	
	public Object generateVariant(Object bean, Map<String,Object> values) {
		
		assert bean instanceof Product;
		
		Product product = (Product) bean;
		
		LOG.debug("Product : {}, Variant config: {}", product.getCode(), product.getProductVariantConfig());
		
		if(product.getProductVariantConfig() != null){
			productService.generateProductVariants(product);
		}
		
		return bean;
	}

}

/**
 * Axelor Business Solutions
 *
 * Copyright (C) 2017 Axelor (<http://axelor.com>).
 *
 * This program is free software: you can redistribute it and/or  modify
 * it under the terms of the GNU Affero General Public License, version 3,
 * as published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
package com.axelor.csv.script;

import java.io.File;
import java.nio.file.Path;
import java.util.Map;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import com.axelor.apps.base.db.Product;
import com.axelor.apps.base.db.repo.ProductRepository;
import com.axelor.apps.base.service.ProductService;
import com.axelor.common.StringUtils;
import com.axelor.meta.MetaFiles;
import com.axelor.meta.db.MetaFile;
import com.google.inject.Inject;

public class ImportProduct {
	
	private final Logger LOG = LoggerFactory.getLogger(getClass());
	
	@Inject
	ProductService productService;
	
	@Inject
	ProductRepository productRepo;
	
	@Inject
	MetaFiles metaFiles;
	
	public Object importProduct(Object bean, Map<String,Object> values) {
		
		assert bean instanceof Product;
		
		Product product = (Product) bean;
		String fileName = (String) values.get("picture_fileName");
		
		if(!StringUtils.isEmpty(fileName)) {
			final Path path = (Path) values.get("__path__");
			
			try {
				final File image = path.resolve(fileName).toFile();
				if(image != null && image.isFile()) {
					final MetaFile metaFile = metaFiles.upload(image);
					product.setPicture(metaFile);
				}
			} catch (Exception e) {
				LOG.error("Error when importing product picture : {}", e);
			}
		}
		
		return productRepo.save(product);
	}
	
	public Object generateVariant(Object bean, Map<String,Object> values) {
		
		assert bean instanceof Product;
		
		Product product = (Product) bean;
		
		LOG.debug("Product : {}, Variant config: {}", product.getCode(), product.getProductVariantConfig());
		
		if(product.getProductVariantConfig() != null){
			productService.generateProductVariants(product);
		}
		
		return bean;
	}

}

Fix product picture import if missing.