Adding support for multi-user shoppingCart

git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@829709 13f79535-47bb-0310-9956-ffa450edef68

sandbox/sca-cloud-tutorial/store-appengine-webapp/src/services/ShoppingCart.java

@@ -0,0 +1,27 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ * 
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.    
+ */
+
+package services;
+
+import org.oasisopen.sca.annotation.Remotable;
+
+@Remotable
+public interface ShoppingCart extends Cart, Total{
+
+}

sandbox/sca-cloud-tutorial/store-appengine-webapp/src/services/ShoppingCartImpl.java

@@ -27,18 +27,12 @@ import java.util.UUID;
 
 import org.apache.tuscany.sca.data.collection.Entry;
 import org.apache.tuscany.sca.data.collection.NotFoundException;
-import org.oasisopen.sca.annotation.Init;
 import org.oasisopen.sca.annotation.Scope;
 
 @Scope("COMPOSITE")
-public class ShoppingCartImpl implements Cart, Total {
+public class ShoppingCartImpl implements ShoppingCart {
     
-    private Map<String, Item> cart;
-    
-    @Init
-    public void init() {
-        cart = new HashMap<String, Item>();
-    }
+    private Map<String, Item> cart = new HashMap<String, Item>();
 
     public Entry<String, Item>[] getAll() {
         Entry<String, Item>[] entries = new Entry[cart.size()];

sandbox/sca-cloud-tutorial/store-appengine-webapp/src/services/ShoppingCartManager.java

@@ -0,0 +1,117 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ * 
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.    
+ */
+
+package services;
+
+import java.util.HashMap;
+import java.util.Map;
+import java.util.UUID;
+import java.util.logging.Logger;
+
+import org.apache.tuscany.sca.cloud.user.User;
+import org.apache.tuscany.sca.cloud.user.UserService;
+import org.apache.tuscany.sca.data.collection.Entry;
+import org.apache.tuscany.sca.data.collection.NotFoundException;
+import org.oasisopen.sca.annotation.Reference;
+import org.oasisopen.sca.annotation.Scope;
+
+@Scope("COMPOSITE")
+public class ShoppingCartManager implements ShoppingCart {
+    private static final Logger log = Logger.getLogger(ShoppingCartManager.class.getName());
+    private static String ANONYMOUS = "anonymous";
+    
+    private Map<String, ShoppingCart> carts = new HashMap<String, ShoppingCart>();
+    
+    @Reference
+    private UserService userService;
+        
+    public Entry<String, Item>[] getAll() {
+        return getUserShoppingCart().getAll();
+    }
+ 
+    public Item get(String key) throws NotFoundException {
+        return getUserShoppingCart().get(key);
+    }
+
+    public String post(String key, Item item) {
+        if (key == null || key.length() == 0) {
+            key = this.generateItemKey();
+        }
+        return getUserShoppingCart().post(key, item);
+    }
+
+    public void put(String key, Item item) throws NotFoundException {
+        getUserShoppingCart().put(key,item);
+    }
+
+    public Entry<String, Item>[] query(String queryString) {
+        return getUserShoppingCart().query(queryString);
+    }
+    
+    public void delete(String key) throws NotFoundException {
+        this.getUserShoppingCart().delete(key);
+    }
+
+    public String getTotal() {
+        return this.getUserShoppingCart().getTotal();
+    }
+    
+    /**
+     * Utility functions
+     */
+
+
+    private ShoppingCart getUserShoppingCart() {
+        String key = getCartKey();
+        ShoppingCart userCart = carts.get(key);
+        if(userCart == null) {
+            userCart = new ShoppingCartImpl();
+            carts.put(key, userCart);
+        }
+        return userCart;
+    }
+    
+    private String getUserId() {
+        String userId = null;
+        if(userService != null) {
+            try {
+                User user = userService.getCurrentUser();
+                userId = user.getUserId();
+            } catch(Exception e) {
+                //ignore
+                e.printStackTrace();
+            }
+        }
+        if(userId == null || userId.length() == 0) {
+            userId = ANONYMOUS;
+        }
+        log.warning("Using userId:" + userId);
+        return userId;
+    }
+    private String getCartKey() {
+        String cartKey = "cart-" + this.getUserId();
+        log.warning("Using cartKey:" + cartKey);
+        return cartKey;
+    }
+    private String generateItemKey() {
+        String itemKey = getCartKey() + "-item-" + UUID.randomUUID().toString();
+        log.warning("Using itemKey:" + itemKey);
+        return itemKey;
+    }
+}

sandbox/sca-cloud-tutorial/store-appengine-webapp/src/store.composite

@@ -48,19 +48,20 @@
 		</service>
 	</component>
 	
-	<component name="ShoppingCart">
-		<implementation.java class="services.ShoppingCartImpl"/>
-		<service name="Cart">
-			<tuscany:binding.jsonrpc uri="/ShoppingCart/Cart"/>
-		</service>    	
-		<service name="Total">
-			<tuscany:binding.jsonrpc uri="/ShoppingCart/Total"/>
-		</service>    	
+	<component name="ShoppingCartManager">
+		<implementation.java class="services.ShoppingCartManager"/>
+		<service name="ShoppingCart">
+			<tuscany:binding.jsonrpc uri="/ShoppingCart"/>
+		</service>
+		<reference name="userService" target="UserService">
+			<binding.sca/>
+		</reference>
 	</component>
 	
 	<component name="UserService">
 		<implementation.java class="org.apache.tuscany.sca.cloud.user.impl.GoogleUserService"/>
 		<service name="UserService">
+			<binding.sca/>
 			<tuscany:binding.jsonrpc uri="/User"/>
 		</service>
 	</component>	

sandbox/sca-cloud-tutorial/store-appengine-webapp/war/store.css

@@ -0,0 +1,22 @@
+<style type="text/css">
+
+html, body {
+	height:100%;
+	margin:0;
+	overflow:hidden;
+	width:100%;
+}
+
+.header {
+	font-size:13px;
+	text-align:right;
+	color:#CCCCCC;
+
+
+	padding:5px 5px 0;
+	padding-right:8px;
+	padding-top:0px !important;
+	padding-bottom: 0px;
+	border-bottom: 1px solid black;
+}
+</style>

sandbox/sca-cloud-tutorial/store-appengine-webapp/war/store.html

@@ -35,9 +35,7 @@
 	
 	var catalog = new dojo.rpc.JsonService("/CatalogAggregator?smd");
 
-	var shoppingCart = new dojo.rpc.JsonService("/ShoppingCart/Cart?smd");
-
-	var shoppingTotal = new dojo.rpc.JsonService("/ShoppingCart/Total?smd");
+	var shoppingCart = new dojo.rpc.JsonService("/ShoppingCart?smd");
 
 	var userContext;
 	
@@ -93,7 +91,7 @@
 
 		if (items.length != 0) {			
 			try	{
-				shoppingTotal.getTotal().addCallback(shoppingTotal_getTotalResponse);
+				shoppingCart.getTotal().addCallback(shoppingCart_getTotalResponse);
 			}
 			catch(e){
 				alert(e);
@@ -101,7 +99,7 @@
 		}
 	}
 	
-	function shoppingTotal_getTotalResponse(total,exception) {
+	function shoppingCart_getTotalResponse(total,exception) {
 		if(exception) { 
 			alert(exception.message); 
 			return;