Module Server : ajout support nouvelles query; MAJ Javadoc; Suppr TODO
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Notmoo
parent
0ceb0d72cd
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@ -8,22 +8,18 @@ import com.pqt.core.entities.product.LightweightProduct;
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import com.pqt.core.entities.product.Product;
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import com.pqt.core.entities.product.ProductUpdate;
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import com.pqt.core.entities.sale.Sale;
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import com.pqt.core.entities.server_config.ServerConfig;
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import com.pqt.core.entities.user_account.Account;
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import com.pqt.core.entities.user_account.AccountLevel;
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import com.pqt.server.exception.ServerQueryException;
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import com.pqt.server.module.account.AccountService;
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import com.pqt.server.module.client.ClientService;
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import com.pqt.server.module.sale.SaleService;
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import com.pqt.server.module.state.ServerStateService;
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import com.pqt.server.module.statistics.StatisticsService;
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import com.pqt.server.module.stock.StockService;
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import java.util.HashMap;
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import java.util.List;
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import java.util.Map;
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import java.util.*;
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//TODO ajouter des messages d'erreur spécifiques pour les NullPointerException si le param du message vaut null
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//TODO mettre à jour la liste des query supportées lorsque la version du serveur sera proche de la release
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//TODO ne pas oublier de préciser le niveau de permission requis pour chaque requête
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//TODO Paramétrer les supports de query et leurs permissions via un meilleur système (config file, etc ...)
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/**
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* Implémentation de l'interface {@link IMessageHandler}. Cette classe définit le gestionnaire de message par défaut du
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@ -31,12 +27,20 @@ import java.util.Map;
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* <p/>
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* Liste des requêtes supportées :<br/>
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* <ul>
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*
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* <li>QUERY_STOCK (WAITER)</li>
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* <li>QUERY_SALE (WAITER)</li>
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* <li>QUER_STAT (WAITER)</li>
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* <li>QUERY_UPDATE (MASTER)</li>
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* <li>QUERY_ACCOUNT_LIST (NONE)</li>
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* <li>QUERY_CONNECT_ACCOUNT (NONE)</li>
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* <li>QUERY_PING (NONE)</li>
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* <li>QUERY_CONFIG_LIST (NONE)</li>
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* </ul>
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* <p/>
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* Liste des requêtes non-supportées :<br/>
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* <ul>
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*
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* <li>QUERY_REVERT_SALE</li>
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* <li>QUERY_LAST_SALES_LIST</li>
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* </ul>
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* @see IMessageHandler
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* @version 1.0
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@ -72,24 +76,26 @@ public class SimpleMessageHandler implements IMessageHandler {
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manager = new MessageManager();
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//TODO ajouter support des query de connexion de compte utilisateur
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manager.support(MessageType.QUERY_STOCK, (message)->{
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/*
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WAITER-restricted queries
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*/
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manager.supportForConnectedAccounts(MessageType.QUERY_STOCK, (message)->{
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Map<String, String> fields = new HashMap<>();
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fields.put("stock", messageToolFactory.getListFormatter(Product.class).format(stockService.getProductList()));
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return new Message(MessageType.MSG_STOCK, serverStateService.getServer(), message.getEmitter(), message.getUser(), message, fields);
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}, AccountLevel.WAITER);
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manager.support(MessageType.QUERY_SALE, (message)->{
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manager.supportForConnectedAccounts(MessageType.QUERY_SALE, (message)->{
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Map<String, String> fields = new HashMap<>();
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try {
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long saleId = saleService.submitSale(messageToolFactory.getObjectParser(Sale.class).parse(message.getField("sale")));
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fields.put("saleId", Long.toString(saleId));
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return new Message(MessageType.ACK_SALE, serverStateService.getServer(), message.getEmitter(), message.getUser(), message, fields);
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}catch(ServerQueryException | NullPointerException e){
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}catch(NullPointerException e){
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fields.put(header_ref_query, e.toString());
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return new Message(MessageType.REFUSED_QUERY, serverStateService.getServer(), message.getEmitter(), message.getUser(), message, fields);
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}
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}, AccountLevel.WAITER);
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manager.support(MessageType.QUERY_STAT, (message)->{
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manager.supportForConnectedAccounts(MessageType.QUERY_STAT, (message)->{
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Map<String, String> fields = new HashMap<>();
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fields.put("total_sale_worth", Double.toString(statisticsService.getTotalSaleWorth()));
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fields.put("total_sale_amount", Integer.toString(statisticsService.getTotalAmountSale()));
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@ -102,7 +108,11 @@ public class SimpleMessageHandler implements IMessageHandler {
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return new Message(MessageType.MSG_STAT, serverStateService.getServer(), message.getEmitter(), message.getUser(), message, fields);
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}, AccountLevel.WAITER);
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manager.support(MessageType.QUERY_UPDATE, (message)->{
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/*
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MASTER-restricted queries
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*/
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manager.supportForConnectedAccounts(MessageType.QUERY_UPDATE, (message)->{
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try{
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List<ProductUpdate> updates = messageToolFactory.getListParser(ProductUpdate.class).parse(message.getField("updates"));
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stockService.applyUpdateList(updates);
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@ -113,19 +123,82 @@ public class SimpleMessageHandler implements IMessageHandler {
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return new Message(MessageType.ERROR_QUERY, serverStateService.getServer(), message.getEmitter(), message.getUser(), message, fields);
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}
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}, AccountLevel.MASTER);
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/*
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manager.support(MessageType.QUERY_REVERT_SALE, (message)->{
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try{
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saleService.submitSaleRevert(messageToolFactory.getObjectParser(Long.class).parse(message.getField("saleId")));
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return new Message(MessageType.ACK_REVERT_SALE, serverStateService.getServer(), message.getEmitter(), message.getUser(), message, null);
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}catch(ServerQueryException | NullPointerException e){
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Map<String, String> fields = new HashMap<>();
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fields.put(header_err_query, e.toString());
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return new Message(MessageType.ERROR_QUERY, serverStateService.getServer(), message.getEmitter(), message.getUser(), message, fields);
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}
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}, AccountLevel.MASTER);
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/*
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Queries without account connection requirements
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*/
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manager.support(MessageType.QUERY_ACCOUNT_LIST, (message)->{
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Map<String, String> fields = new HashMap<>();
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fields.put("accounts", messageToolFactory.getListFormatter(Account.class).format(accountService.getAccountList()));
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return new Message(MessageType.MSG_ACCOUNT_LIST, serverStateService.getServer(), message.getEmitter(), message.getUser(), message, fields);
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}, AccountLevel.getLowest(), false);
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manager.support(MessageType.QUERY_CONNECT_ACCOUNT, (message)->{
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final String desiredStateFieldHeader = "desired_state",
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accountCredentialsFieldHeader = "account";
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if(message.getFields().containsKey(desiredStateFieldHeader)){
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if(message.getFields().containsKey(accountCredentialsFieldHeader)){
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boolean desiredState = messageToolFactory.getObjectParser(Boolean.class).parse(message.getField(desiredStateFieldHeader));
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Account accountCredentials = messageToolFactory.getObjectParser(Account.class).parse(message.getField(accountCredentialsFieldHeader));
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if(accountService.submitAccountCredentials(accountCredentials, desiredState)){
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return new Message(MessageType.ACK_CONNECT_ACCOUNT, serverStateService.getServer(), message.getEmitter(), message.getUser(), message, null);
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}else{
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Map<String, String> fields = new HashMap<>();
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fields.put(header_ref_query, "Impossible d'effectuer l'action : identifiants invalides ou état désiré déjà atteint");
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return new Message(MessageType.REFUSED_QUERY, serverStateService.getServer(), message.getEmitter(), message.getUser(), message, fields);
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}
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}else{
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return getMissingArgumentQueryReplyMessage(message, accountCredentialsFieldHeader);
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}
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}else{
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return getMissingArgumentQueryReplyMessage(message, desiredStateFieldHeader);
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}
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}, AccountLevel.getLowest(), false);
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manager.support(MessageType.QUERY_PING, (message)->new Message(MessageType.ACK_PING, serverStateService.getServer(), message.getEmitter(), message.getUser(), message, null), AccountLevel.getLowest(), false);
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manager.support(MessageType.QUERY_CONFIG_LIST, (message)->{
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Map<String, String> fields = new HashMap<>();
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fields.put("config", messageToolFactory.getObjectFormatter(ServerConfig.class).format(serverStateService.getConfig()));
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return new Message(MessageType.MSG_CONFIG_LIST, serverStateService.getServer(), message.getEmitter(), message.getUser(), message, fields);
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}, AccountLevel.getLowest(), false);
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}
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private Message getUnsupportedQueryReplyMessage(Message message){
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final String msg_ref_unsupported_query = "Ce type de requêtes n'est actuellement pas supportée par ce serveur.";
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Map<String, String> fields = new HashMap<>();
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fields.put(header_ref_query, msg_ref_unsupported_query);
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return new Message(MessageType.REFUSED_QUERY,
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serverStateService.getServer(),
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message.getEmitter(),
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message.getUser(),
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message,
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fields);
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}
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private Message getMissingArgumentQueryReplyMessage(Message message, String missingArgumentHeader){
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Map<String, String> fields = new HashMap<>();
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fields.put(header_err_query, "The following required header is missing : "+missingArgumentHeader);
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return new Message(MessageType.ERROR_QUERY,
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serverStateService.getServer(),
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message.getEmitter(),
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message.getUser(),
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message,
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fields);
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}
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private Message getExceptionOccuredQueryReplyMessage(Message message, Exception exception){
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Map<String, String> fields = new HashMap<>();
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fields.put(header_err_query, exception.getMessage());
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return new Message(MessageType.ERROR_QUERY,
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serverStateService.getServer(),
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message.getEmitter(),
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message.getUser(),
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message,
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fields);
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}
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@Override
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@ -133,20 +206,25 @@ public class SimpleMessageHandler implements IMessageHandler {
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Map<String, String> fields = new HashMap<>();
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if(!isAccountRegisteredAndConnected(message)){
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fields.put(header_ref_query, "Compte utilisateur inconnu");
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return new Message(MessageType.REFUSED_QUERY, serverStateService.getServer(), message.getEmitter(), message.getUser(), message, fields);
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}
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if(!checkAccountPermission(message)){
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fields.put(header_ref_query, "Compte utilisateur avec permission trop faible");
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return new Message(MessageType.REFUSED_QUERY, serverStateService.getServer(), message.getEmitter(), message.getUser(), message, fields);
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}
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if(manager.contains(message.getType())){
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return manager.getProcess(message.getType()).execute(message);
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if(manager.isQueryRestrictedToConnectedAccount(message.getType())) {
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if (!isAccountRegisteredAndConnected(message)) {
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fields.put(header_ref_query, "Compte utilisateur inconnu ou déconnecté.");
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return new Message(MessageType.REFUSED_QUERY, serverStateService.getServer(), message.getEmitter(), message.getUser(), message, fields);
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}
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if (!checkAccountPermission(message)) {
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fields.put(header_ref_query, "Compte utilisateur avec permission trop faible");
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return new Message(MessageType.REFUSED_QUERY, serverStateService.getServer(), message.getEmitter(), message.getUser(), message, fields);
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}
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}
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try{
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return manager.getProcess(message.getType()).execute(message);
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}catch(Exception e){
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return getExceptionOccuredQueryReplyMessage(message, e);
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}
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}
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fields.put(header_err_query, "Type requête non pris en charge par ce serveur");
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return new Message(MessageType.ERROR_QUERY, serverStateService.getServer(), message.getEmitter(), message.getUser(), message, fields);
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return getUnsupportedQueryReplyMessage(message);
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}
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/**
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@ -156,30 +234,97 @@ public class SimpleMessageHandler implements IMessageHandler {
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Message execute(Message request);
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}
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private class MessageManager{
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private Map<MessageType, IMessageProcess> processes;
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private Map<MessageType, AccountLevel> levels;
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private class MessageTypeEntry{
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private MessageType type;
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private IMessageProcess process;
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private AccountLevel level;
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private boolean connectedAccountRestriction;
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MessageManager(){
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processes = new HashMap<>();
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levels = new HashMap<>();
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MessageTypeEntry(MessageType type, IMessageProcess process, AccountLevel level, boolean connectedAccountRestriction) {
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this.type = type;
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this.process = process;
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this.level = level;
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this.connectedAccountRestriction = connectedAccountRestriction;
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}
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void support(MessageType type, IMessageProcess process, AccountLevel permissionLevel){
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processes.put(type, process);
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levels.put(type, permissionLevel);
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IMessageProcess getProcess() {
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return process;
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}
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AccountLevel getLevel() {
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return level;
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}
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boolean isConnectedAccountRestriction() {
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return connectedAccountRestriction;
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}
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boolean matches(MessageType type){
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return type.equals(this.type);
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}
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@Override
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public boolean equals(Object o) {
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if (this == o) return true;
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if (o == null || getClass() != o.getClass()) return false;
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MessageTypeEntry that = (MessageTypeEntry) o;
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return connectedAccountRestriction == that.connectedAccountRestriction && type == that.type && process.equals(that.process) && level == that.level;
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}
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@Override
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public int hashCode() {
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int result = type.hashCode();
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result = 31 * result + process.hashCode();
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result = 31 * result + level.hashCode();
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result = 31 * result + (connectedAccountRestriction ? 1 : 0);
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return result;
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}
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}
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private class MessageManager{
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private Set<MessageTypeEntry> entries;
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MessageManager(){
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entries = new HashSet<>();
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}
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void supportForConnectedAccounts(MessageType type, IMessageProcess process, AccountLevel permissionLevel){
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support(type, process, permissionLevel, true);
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}
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void support(MessageType type, IMessageProcess process, AccountLevel permissionLevel, boolean accountConnectionRequired){
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entries.add(new MessageTypeEntry(type, process, permissionLevel, accountConnectionRequired));
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}
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private MessageTypeEntry getFirstMatch(MessageType type){
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return entries.stream().filter(entry->entry.matches(type)).findFirst().orElse(null);
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}
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IMessageProcess getProcess(MessageType messageType){
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return processes.get(messageType);
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MessageTypeEntry entry = getFirstMatch(messageType);
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if(entry!=null)
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return entry.getProcess();
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return null;
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}
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AccountLevel getLevel(MessageType messageType){
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return levels.get(messageType);
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MessageTypeEntry entry = getFirstMatch(messageType);
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if(entry!=null)
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return entry.getLevel();
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return null;
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}
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boolean contains(MessageType type) {
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return processes.containsKey(type);
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return getFirstMatch(type)!=null;
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}
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boolean isQueryRestrictedToConnectedAccount(MessageType type) {
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MessageTypeEntry entry = getFirstMatch(type);
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return entry != null && entry.isConnectedAccountRestriction();
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}
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}
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@ -1,6 +1,8 @@
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package com.pqt.server.module.state;
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import com.pqt.core.entities.members.DataServer;
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import com.pqt.core.entities.server_config.ConfigFields;
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import com.pqt.core.entities.server_config.ServerConfig;
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import java.util.Date;
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@ -16,10 +18,16 @@ public class ServerStateService {
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private ServerState serverState;
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private DataServer server;
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private ServerConfig config;
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public ServerStateService() {
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this.server = new DataServer();
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this.serverState = new ServerState();
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this.config = new ServerConfig(
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ConfigFields.ALLOW_ACCOUNT_CONNECT,
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ConfigFields.ALLOW_SALE_COMMIT,
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ConfigFields.ALLOW_STOCK_UPDATE,
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ConfigFields.ALLOW_STOCK_VIEW);
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//TODO config adresse IP
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//this.com.pqt.server.setAddress(...);
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@ -49,4 +57,7 @@ public class ServerStateService {
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return serverState.copy();
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}
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public ServerConfig getConfig() {
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return config;
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}
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}
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