Add totalVeganMeal property and fix checkstyle errors

src/Common/src/main/java/greenify/common/UserDto.java

@@ -7,13 +7,21 @@ package greenify.common;
 public class UserDto {
     private Long id;
     private String name;
+    private int veganMeal;
 
     public UserDto() {
     }
 
-    public UserDto(Long id, String name) {
+    /**
+     * The constructor method of UserDto.
+     * @param id of the user
+     * @param name of the user
+     * @param veganMeal the number of vegetarian meals eaten
+     */
+    public UserDto(Long id, String name, int veganMeal) {
         this.id = id;
         this.name = name;
+        this.veganMeal = veganMeal;
     }
 
     public String getName() {
@@ -31,4 +39,12 @@ public class UserDto {
     public void setId(Long id) {
         this.id = id;
     }
+
+    public int getVeganMeal() {
+        return veganMeal;
+    }
+
+    public void setVeganMeal(int veganMeal) {
+        this.veganMeal = veganMeal;
+    }
 }

src/Common/src/test/java/UserDtoTest.java

@@ -7,18 +7,20 @@ import org.junit.Test;
 public class UserDtoTest {
     @Test
     public void setAndGetTest() {
-        UserDto user = new UserDto(1L, "greenify");
         UserDto testUser = new UserDto();
         testUser.setId(1L);
         testUser.setName("greenify");
+        testUser.setVeganMeal(0);
+        UserDto user = new UserDto(1L, "greenify", 0);
         assertTrue(user.getId() == 1L);
         assertEquals(user.getName(), "greenify");
+        assertTrue(user.getVeganMeal() == 0);
     }
 
     @Test
     public void equalsTest() {
-        UserDto first = new UserDto(1L, "greenify");
-        UserDto second = new UserDto(1L, "greenify");
+        UserDto first = new UserDto(1L, "greenify", 0);
+        UserDto second = new UserDto(1L, "greenify", 0);
         assertEquals(first.getId(), second.getId());
         assertEquals(first.getName(), second.getName());
     }