Module Server : ajout support nouvelles query; MAJ Javadoc; Suppr TODO

This commit is contained in:
Notmoo 2017-08-10 09:27:19 +02:00
parent 0ceb0d72cd
commit 4e14dea618
2 changed files with 205 additions and 49 deletions

View File

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

View File

@ -1,6 +1,8 @@
package com.pqt.server.module.state;
import com.pqt.core.entities.members.DataServer;
import com.pqt.core.entities.server_config.ConfigFields;
import com.pqt.core.entities.server_config.ServerConfig;
import java.util.Date;
@ -16,10 +18,16 @@ public class ServerStateService {
private ServerState serverState;
private DataServer server;
private ServerConfig config;
public ServerStateService() {
this.server = new DataServer();
this.serverState = new ServerState();
this.config = new ServerConfig(
ConfigFields.ALLOW_ACCOUNT_CONNECT,
ConfigFields.ALLOW_SALE_COMMIT,
ConfigFields.ALLOW_STOCK_UPDATE,
ConfigFields.ALLOW_STOCK_VIEW);
//TODO config adresse IP
//this.com.pqt.server.setAddress(...);
@ -49,4 +57,7 @@ public class ServerStateService {
return serverState.copy();
}
public ServerConfig getConfig() {
return config;
}
}