Add Discussion feature

src/main/java/fr/insee/demo/model/Discussion.java

@@ -0,0 +1,58 @@
+package fr.insee.demo.model;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class Discussion {
+
+	private List<HelloWorld> messages;
+
+	public Discussion() {
+		messages = new ArrayList<HelloWorld>();
+	}
+
+	public List<HelloWorld> getMessages() {
+		return messages;
+	}
+
+	public void setMessages(List<HelloWorld> messages) {
+		this.messages = messages;
+	}
+
+	public void AddMessage(String message) {
+		HelloWorld hello = new HelloWorld(message);
+		messages.add(hello);
+	}
+
+	public void AddMessage(HelloWorld hello) {
+		messages.add(hello);
+	}
+
+	public String getAllDiscussion() {
+
+		StringBuffer sb = new StringBuffer();
+		for (HelloWorld hello : messages) {
+			sb.append("\n");
+			sb.append(hello.getAuthorName());
+			sb.append(" - ");
+			sb.append(hello.getMessage());
+			sb.append("\n");
+		}
+		return sb.toString();
+	}
+
+	public String getDiscussionsFilterByUserId(String userId) {
+		StringBuffer sb = new StringBuffer();
+		for (HelloWorld hello : messages) {
+			if (userId.equals(hello.getUser().getId())) {
+				sb.append("\n");
+				sb.append(hello.getAuthorName());
+				sb.append(" - ");
+				sb.append(hello.getMessage());
+				sb.append("\n");
+			}
+		}
+		return sb.toString();
+	}
+
+}

src/main/java/fr/insee/demo/model/HelloWorld.java

@@ -2,12 +2,11 @@
 
 public class HelloWorld {
 
+	private User user;
 	private String message;
-
-	public HelloWorld(String message){
-
-		this.message=message;
-
+
+	public HelloWorld(String message) {
+		this.message = message;
 	}
 
 	public String getMessage() {
@@ -17,6 +16,21 @@ public String getMessage() {
 	public void setMessage(String message) {
 		this.message = message;
 	}
-
-
+
+	public User getUser() {
+		return user;
+	}
+
+	public void setUser(User user) {
+		this.user = user;
+	}
+
+	public String getAuthorName() {
+		if (user != null) {
+			return this.getUser().getName();
+		} else {
+			return null;
+		}
+	}
+
 }

src/main/java/fr/insee/demo/model/User.java

@@ -0,0 +1,30 @@
+package fr.insee.demo.model;
+
+public class User {
+
+	private String id;
+
+	private String name;
+
+	public User(String id, String name) {
+		this.id = id;
+		this.name = name;
+	}
+
+	public String getId() {
+		return id;
+	}
+
+	public void setId(String id) {
+		this.id = id;
+	}
+
+	public String getName() {
+		return name;
+	}
+
+	public void setName(String name) {
+		this.name = name;
+	}
+
+}

src/main/java/fr/insee/demo/webservice/Messaging.java

@@ -29,4 +29,15 @@ public String getMessage() throws Exception {
 		return hello.getMessage();
 	}
 
+	@GET
+	@Path("discussion")
+	@Produces(MediaType.TEXT_HTML)
+	@ApiOperation(value = "Get discussion", notes = "Get simple conversation")
+	@ApiResponses(value = { @ApiResponse(code = 200, message = "OK"),
+			@ApiResponse(code = 500, message = "Unexpected error") })
+	public String getConversation() throws Exception {
+		HelloWorld hello = new HelloWorld("Hey !");
+		return hello.getMessage();
+	}
+
 }

src/test/java/fr/insee/demo/TestDiscussion.java

@@ -0,0 +1,71 @@
+package fr.insee.demo ;
+
+import org.junit.Assert;
+import org.junit.Before;
+import org.junit.Test;
+
+import fr.insee.demo.model.Discussion;
+import fr.insee.demo.model.HelloWorld;
+import fr.insee.demo.model.User;
+
+public class TestDiscussion {
+
+	private Discussion discussion;
+
+	@Before
+	public void initDiscussion(){
+		User user1 = new User("001", "John");
+		User user2 = new User("001", "Jack");
+		discussion = new Discussion();
+		HelloWorld hello = new HelloWorld("Hey John!");
+		hello.setUser(user2);
+		discussion.AddMessage(hello);
+		HelloWorld hello2 = new HelloWorld("Hi Jack!");
+		hello2.setUser(user1);
+		discussion.AddMessage(hello2);
+		HelloWorld hello3 = new HelloWorld("How are you ?");
+		hello3.setUser(user1);
+		discussion.AddMessage(hello3);
+		HelloWorld hello4 = new HelloWorld("Fine, Thx, and you John, how are you ?");
+		hello4.setUser(user2);
+		discussion.AddMessage(hello4);
+		HelloWorld hello5 = new HelloWorld("Fine, Thx.");
+		hello5.setUser(user1);
+		discussion.AddMessage(hello5);
+
+	}
+
+
+	@Test
+	public void getAllDiscussion() {
+		Assert.assertEquals(discussion.getAllDiscussion(),discutionToString());
+	}
+
+	@Test
+	public void getDiscussionsFilterByUser() {
+		Assert.assertEquals(discussion.getAllDiscussion(),discutionToString());
+	}
+
+	@Test
+	public void assertNotNullMessage() {
+		HelloWorld hello = new HelloWorld("Hey !");
+		Assert.assertNotNull(hello.getMessage());
+	}
+
+
+
+	private String discutionToString(){
+		StringBuffer sb = new StringBuffer();
+		for (HelloWorld hello : discussion.getMessages()){
+			sb.append("\n");
+			sb.append(hello.getAuthorName());
+			sb.append(" - ");
+			sb.append(hello.getMessage());
+			sb.append("\n");
+		}
+		return sb.toString();
+	}
+
+
+
+}

src/test/java/fr/insee/demo/TestHelloWorld.java

@@ -4,6 +4,7 @@
 import org.junit.Test;
 
 import fr.insee.demo.model.HelloWorld;
+import fr.insee.demo.model.User;
 
 public class TestHelloWorld {
 
@@ -20,4 +21,27 @@ public void assertNotNullMessage() {
 		Assert.assertNotNull(hello.getMessage());
 	}
 
+	@Test
+	public void getUserFromMessage() {
+		User user = new User("001", "John");
+		HelloWorld hello = new HelloWorld("Hey !");
+		hello.setUser(user);
+		Assert.assertEquals(hello.getUser().getId(),"001");
+	}
+
+	@Test
+	public void getAuthor() {
+		User user = new User("001", "John");
+		HelloWorld hello = new HelloWorld("Hey !");
+		hello.setUser(user);
+		Assert.assertEquals(hello.getAuthorName(),"John");
+	}
+
+	@Test
+	public void getAuthorWhenNotSpecified() {
+		HelloWorld hello = new HelloWorld("Hey !");
+		Assert.assertNull(hello.getAuthorName());
+	}
+
+
 }

src/test/java/fr/insee/demo/TestUser.java

@@ -0,0 +1,22 @@
+package fr.insee.demo;
+
+import org.junit.Assert;
+import org.junit.Test;
+
+import fr.insee.demo.model.User;
+
+public class TestUser {
+
+	@Test
+	public void getName() {
+		User user = new User("001", "John");
+		Assert.assertEquals(user.getName(), "John");
+	}
+
+	@Test
+	public void assertNotNullUser() {
+		User user = new User("001", "John");
+		Assert.assertNotNull(user.getId());
+	}
+
+}