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https://github.com/klmp200/PQT_Gestionnaire_vente_stock.git
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Module Server : Ajout dép mvn Apache commons io, ajout clss NoRevertFileSaleDao, ajout méthd applySale() aux clss StockService et IStockDao + impl
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Notmoo
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@ -11,6 +11,7 @@
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<element id="module-output" name="core" />
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</element>
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<element id="library" level="project" name="Maven: com.google.code.gson:gson:2.8.1" />
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<element id="library" level="project" name="Maven: commons-io:commons-io:2.4" />
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</element>
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</element>
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<element id="directory" name="META-INF">
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@ -25,6 +25,13 @@
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<artifactId>core</artifactId>
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<version>1.0-SNAPSHOT</version>
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</dependency>
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<!-- https://mvnrepository.com/artifact/commons-io/commons-io -->
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<dependency>
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<groupId>commons-io</groupId>
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<artifactId>commons-io</artifactId>
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<version>2.4</version>
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</dependency>
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</dependencies>
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</project>
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@ -0,0 +1,132 @@
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package com.pqt.server.module.sale;
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import com.pqt.core.entities.product.Product;
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import com.pqt.core.entities.sale.Sale;
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import com.pqt.server.module.stock.StockService;
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import com.pqt.server.utils.FileUtil;
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import org.apache.commons.io.input.ReversedLinesFileReader;
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import java.io.*;
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import java.text.DateFormat;
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import java.text.SimpleDateFormat;
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import java.util.Iterator;
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public class NoRevertFileSaleDao implements ISaleDao {
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private static final String SALE_LOG_FILE_NAME = "sale_log.txt";
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private StockService stockService;
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private long nextSaleId;
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private ISaleRenderer renderer;
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NoRevertFileSaleDao(StockService stockService) {
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this.stockService = stockService;
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this.renderer = getRenderer();
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nextSaleId = readLastSaleIdFromFile()+1;
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}
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@Override
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public long submitSale(Sale sale) {
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boolean valid = true;
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Iterator<Product> it = sale.getProducts().keySet().iterator();
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while(valid && it.hasNext()){
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Product p = it.next();
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Product product = stockService.getProduct(p.getId());
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valid = product!=null
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&& p.equals(product)
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&& product.isSellable()
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&& product.getAmountRemaining()>=sale.getProducts().get(p);
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}
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if(!valid)
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return -1;
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long saleId = nextSaleId;
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stockService.applySale(sale.getProducts());
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logSale(sale, saleId);
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generateNextSaleId();
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return saleId;
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}
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private void generateNextSaleId() {
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nextSaleId++;
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}
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/**
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* Read the last sale id written in the log file with title {@link #SALE_LOG_FILE_NAME} or a default value if such id has not been found.
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* <p/>
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* Different reasons why this method may not find any id :<br/>
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* - file does not exist<br/>
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* - file is empty<br/>
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* - file does not respect the expected syntax for writing sales' data<br/>
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* <p/>
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* The log file with title {@link #SALE_LOG_FILE_NAME} is not created by this method if it doesn't exist yet.
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* @return last sale id used in the log file, or -1 if none was found.
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*/
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private long readLastSaleIdFromFile(){
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long id = -1;
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if(FileUtil.exist(SALE_LOG_FILE_NAME)){
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try(ReversedLinesFileReader rlfr = new ReversedLinesFileReader(new File("SALE_LOG_FILE_NAME"))){
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boolean stop = false;
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do{
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try {
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String line = rlfr.readLine();
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if(line.matches("^[0-9]+$")){
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id = Long.parseLong(line.substring(1));
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stop = true;
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}
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}catch (EOFException e){
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stop = true;
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}
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}while(!stop);
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} catch (IOException e) {
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e.printStackTrace();
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}
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return id;
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}else{
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return id;
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}
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}
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@Override
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public void submitSaleRevert(long id) {
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//TODO Créer un nouveau dao qui supporte le revert
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throw new UnsupportedOperationException("Le revert de commandes n'est pas supporté");
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}
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private void logSale(Sale sale, long saleId){
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try(FileOutputStream fos = new FileOutputStream(SALE_LOG_FILE_NAME);
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PrintWriter pw = new PrintWriter(fos)){
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pw.append(renderer.render(sale, saleId));
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} catch (IOException e) {
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e.printStackTrace();
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}
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}
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private ISaleRenderer getRenderer(){
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return(sale, id)->{
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StringBuffer sb = new StringBuffer("\n#").append(id).append("\n");
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String separator = "-----";
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DateFormat dateFormat = new SimpleDateFormat("<dd/ww/yyyy - HH:mm:ss>");
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sb.append("type : ").append(sale.getType().name()).append("\n");
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sb.append("at : ").append(dateFormat.format(sale.getOrderedAt())).append("\n");
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if(sale.getOrderedBy()!=null)
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sb.append("by : ").append(sale.getOrderedBy().getUsername()).append("(").append(sale.getOrderedBy().getPermissionLevel().name()).append(")").append("\n");
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if(sale.getOrderedFor()!=null)
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sb.append("for : ").append(sale.getOrderedFor().getUsername()).append("(").append(sale.getOrderedFor().getPermissionLevel().name()).append(")").append("\n");
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sb.append(separator).append("\n");
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sb.append("Products : \n");
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sale.getProducts().keySet().forEach(p->{
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int productAmount = sale.getProducts().get(p);
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sb.append(String.format(" * %s (%du, %f€) : %d remaining in stock", p.getName(), productAmount, p.getPrice()*(double)productAmount, p.getAmountRemaining()-productAmount)).append("\n");
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});
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sb.append(separator);
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return sb.toString();
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};
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}
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private interface ISaleRenderer{
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String render(Sale sale, long saleId);
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}
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}
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@ -2,6 +2,7 @@ package com.pqt.server.module.sale;
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import com.pqt.core.entities.sale.Sale;
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import com.pqt.server.exception.ServerQueryException;
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import com.pqt.server.module.stock.StockService;
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//TODO écrire Javadoc
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//TODO ajouter logs
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@ -9,7 +10,8 @@ public class SaleService {
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private ISaleDao dao;
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public SaleService() {
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public SaleService(StockService stockService) {
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dao = new NoRevertFileSaleDao(stockService);
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}
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public long submitSale(Sale sale) throws ServerQueryException {
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@ -81,6 +81,11 @@ public class FileStockDao implements IStockDao {
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}
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}
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@Override
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public void applySale(Map<Product, Integer> productAmounts) {
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//TODO faire ça
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}
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private Map<Long, Product> load(){
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Map<Long, Product> loadedData = new HashMap<>();
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try{
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@ -3,6 +3,7 @@ package com.pqt.server.module.stock;
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import com.pqt.core.entities.product.Product;
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import java.util.List;
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import java.util.Map;
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//TODO écrire javadoc
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public interface IStockDao {
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@ -17,4 +18,5 @@ public interface IStockDao {
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public void modifyProduct(long id, Product product);
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void applySale(Map<Product, Integer> productAmounts);
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}
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@ -5,6 +5,7 @@ import com.pqt.core.entities.product.ProductUpdate;
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import com.pqt.server.exception.ServerQueryException;
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import java.util.List;
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import java.util.Map;
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//TODO écrire Javadoc
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//TODO ajouter logs
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@ -24,6 +25,10 @@ public class StockService {
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return dao.getProduct(id);
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}
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public void applySale(Map<Product, Integer> productAmounts) {
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dao.applySale(productAmounts);
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}
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public void applyUpdateList(List<ProductUpdate> updates) throws ServerQueryException{
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for(ProductUpdate upd : updates){
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if(upd.getOldVersion()==null){
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@ -16,11 +16,15 @@ public class FileUtil {
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* @throws IOException if any IOException happend during this method's execution.
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*/
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public static boolean createFileIfNotExist(String filePath) throws IOException {
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Path path = Paths.get(filePath);
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if(!Files.exists(path)){
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if(FileUtil.exist(filePath)){
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Path path = Paths.get(filePath);
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Files.createFile(path);
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return true;
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}
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return false;
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}
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public static boolean exist(String filePath) {
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return Files.exists(Paths.get(filePath));
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}
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}
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