Retry adding friends. Server down again

build.gradle

@@ -18,9 +18,9 @@ apply plugin: 'org.springframework.boot'
 apply plugin: 'io.spring.dependency-management'
 apply plugin: 'application'
 
-application {
-    mainClassName = 'greenify.server.Application'
-}
+//application {
+//    mainClassName = 'greenify.server.Application'
+//}
 
 repositories {
     mavenCentral()

src/Server/src/main/java/greenify/server/data/model/User.java

@@ -2,6 +2,8 @@ package greenify.server.data.model;
 
 import lombok.Data;
 
+import java.util.ArrayList;
+import java.util.List;
 import java.util.Objects;
 import javax.persistence.Entity;
 import javax.persistence.GeneratedValue;
@@ -27,6 +29,8 @@ public class User {
 
     private int veganMeal;
 
+    private ArrayList<User> friends;
+
     public User() {}
 
     /**
@@ -41,6 +45,7 @@ public class User {
         this.name = name;
         this.password = password;
         this.veganMeal = veganMeal;
+        this.friends = new ArrayList<User>();
     }
 
     /**
@@ -91,6 +96,13 @@ public class User {
         this.veganMeal = veganMeal;
     }
 
+    public List<User> getFriends(){
+        return this.friends;
+    }
+
+    public void addFriend(User user){
+        friends.add(user);
+    }
 
     /**
      * Returns a human readable object. It's in JSON.

src/Server/src/main/java/greenify/server/rest/UserController.java

@@ -32,8 +32,6 @@ public class UserController {
         return userService.loginUser(name, password);
     }
 
-
-
     /**
      * adds a vegetarian meal to the user.
      * @param id the id of the user
@@ -46,4 +44,18 @@ public class UserController {
         //addVeganMeal method of the userService
         userService.addVeganMeal(id, name);
     }
+
+    /**
+     * adds a friend to the user.
+     * @param id the id of the user
+     * @param name thr username of the user
+     */
+    @RequestMapping("/addVeganMeal")
+    public void addVeganMeal(@RequestParam(value = "id") Long id,
+                             @RequestParam(value = "name") String name,
+                             @RequestParam(value = "friend") String friend) {
+        //here the requestParams are the id and name of the user and the name of the friend,
+        // because that is needed for the addFriendmethod of the userService
+        userService.addFriend(id, name, friend);
+    }
 }

src/Server/src/main/java/greenify/server/service/UserService.java

@@ -79,6 +79,20 @@ public class UserService {
                 + ", name=" + user.getName() + ")");
     }
 
+    /**
+     * add vegan meal to the user.
+     * @param id the id of the user
+     * @param name the name of the user
+     */
+    public void addFriend(Long id, String name, String friend) {
+        User user = userRepository.findByName(name);
+        User add = userRepository.findByName(friend);
+        user.addFriend(user);
+        userRepository.save(user);
+        logger.info("Added friend to user(id=" + user.getId()
+                + ", name=" + user.getName() + ")");
+    }
+
     @GetMapping(path = "/all")
     @ResponseBody
     public Iterable<User> getAllUsers() {

src/Server/src/test/java/greenify/server/service/UserServiceTest.java

@@ -18,6 +18,9 @@ import org.springframework.boot.test.mock.mockito.MockBean;
 import org.springframework.context.annotation.Bean;
 import org.springframework.test.context.junit4.SpringRunner;
 
+import java.util.ArrayList;
+import java.util.List;
+
 @RunWith(SpringRunner.class)
 public class UserServiceTest {
     @TestConfiguration
@@ -71,4 +74,18 @@ public class UserServiceTest {
             userService.loginUser(null, null);
         });
     }
+
+    @Test
+    public void addFriendTest() {
+        User user = new User(1l,"Merel", "password", 0);
+        User friend = new User(2l, "Ellis", "pass", 0);
+        userService.registerUser("Merel", "password");
+        userService.registerUser("Ellis", "pass");
+        assertEquals(user.getFriends(), new ArrayList<User>());
+        userService.addFriend(1l,"Merel", "Ëllis");
+        List<User> ellis = new ArrayList<User>();
+        ((ArrayList) ellis).add(friend);
+        assertEquals(user.getFriends(), ellis);
+    }
+
 }