- MessageService post method + test

TODO: Fix mixed wrong spring and hibernate transitive deps to old versions by maven (for IDEA run, just remove them from project)

src/main/java/org/aurifa/demo/strutter/model/Message.java

@@ -17,6 +17,17 @@ public class Message {
     String text;
     User author;
 
+    public Message() {
+    }
+
+    public Message(User author, String text) {
+        this.author = author;
+        if (text!=null) {
+            this.text = text.length()>140?text.substring(0, 140):text;
+        }
+        this.sent = new Date();
+    }
+
     @Id
     @GeneratedValue(strategy = GenerationType.SEQUENCE, generator = "Message_SEQ")
     public Long getId() {

src/main/java/org/aurifa/demo/strutter/model/User.java

@@ -5,6 +5,7 @@
 import javax.persistence.OneToMany;
 import javax.persistence.OrderBy;
 import java.util.List;
+import java.util.ArrayList;
 
 /**
  * User.
@@ -17,7 +18,7 @@ public class User {
     String alias;
     String realname;
     String shortBio;
-    List<Message> messages;
+    List<Message> messages = new ArrayList<Message>();
 
     public User() {
     }

src/main/java/org/aurifa/demo/strutter/service/MessageService.java

@@ -0,0 +1,42 @@
+package org.aurifa.demo.strutter.service;
+
+import org.aurifa.demo.strutter.model.Message;
+import org.aurifa.demo.strutter.model.User;
+import org.springframework.util.Assert;
+import org.springframework.stereotype.Service;
+
+import javax.annotation.Resource;
+import java.util.List;
+
+@Service
+public class MessageService extends GenericEntityService<Message, Long> {
+
+    @Resource
+    UserService userService;
+
+    protected Class<Message> entityClass() {
+        return Message.class;
+    }
+
+    public Message post ( User author, String text ) {
+        Assert.notNull(author, "User must be provided");
+
+        if (text!=null) {
+            Message m = new Message(author, text);
+            save(m);
+            author.getMessages().add(0, m);
+            return m;
+        } else {
+            return null;
+        }
+    }
+
+    public List<Message> getTimeline(User user) {
+        return null;
+    }
+
+    public List<Message> getPosts(User user) {
+        return null;
+    }
+
+}

src/main/resources/strutter-service-context.xml

@@ -38,7 +38,7 @@
         <property name="hibernateProperties">
             <value>
                 hibernate.hbm2ddl.auto=update
-                hibernate.show_sql=false
+                hibernate.show_sql=true
                 hibernate.connection.autocommit=false
             </value>
         </property>

src/test/java/org/aurifa/demo/strutter/service/MessageServiceTest.java

@@ -0,0 +1,59 @@
+package org.aurifa.demo.strutter.service;
+
+import org.aurifa.demo.strutter.AbstractSpringEnabledTest;
+import org.aurifa.demo.strutter.model.User;
+import org.aurifa.demo.strutter.model.Message;
+import org.junit.runner.RunWith;
+import org.junit.Test;
+import static org.junit.Assert.*;
+import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
+import org.springframework.test.context.transaction.TransactionConfiguration;
+import org.springframework.transaction.annotation.Transactional;
+
+import javax.annotation.Resource;
+
+import static junit.framework.Assert.assertTrue;
+
+@RunWith(SpringJUnit4ClassRunner.class)
+@TransactionConfiguration(defaultRollback=true)
+@Transactional
+public class MessageServiceTest extends AbstractSpringEnabledTest {
+
+    @Resource
+    MessageService messageService;
+
+    @Test
+    public void testInjection() {
+        assertNotNull(messageService);
+    }
+
+    @Test
+    public void testPost() {
+        User u = new User("palim", null, null);
+        messageService.userService.save(u);
+        messageService.getCurrentSession().flush();
+
+        try {
+            messageService.post(null, "huhu");
+            fail("Exception expected");
+        } catch (Exception e) {
+            //expected
+        }
+
+        Message m = messageService.post(u, "huhu");
+        messageService.getCurrentSession().flush();
+
+        assertSame(u, m.getAuthor());
+        assertTrue(u.getMessages().contains(m));
+    }
+
+    @Test
+    public void testGetTimeline() {
+        // Add your code here
+    }
+
+    @Test
+    public void testGetPosts() {
+        // Add your code here
+    }
+}