ADD:: achievement class

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

@@ -0,0 +1,106 @@
+package greenify.server.data.model;
+
+import java.util.Objects;
+
+public class Achievement {
+    private String name;
+    private String description;
+    private boolean achieved;
+
+    public Achievement() {}
+
+    /**
+     * Constructor for an achievement.
+     * @param name name of the achievement
+     * @param description description of the achievement
+     * @param achieved whether the achievement is achieved or not
+     */
+    public Achievement(String name, String description, boolean achieved) {
+        this.name = name;
+        this.description = description;
+        this.achieved = achieved;
+    }
+
+    /**
+     * This method sets the name of an achievement.
+     * @return name of the achievement
+     */
+    public String getName() {
+        return name;
+    }
+
+    /**
+     * This method sets the name of an achievement.
+     * @param name name of the achievement
+     */
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    /**
+     * This method gets the description of an achievement.
+     * @return the description of the achievement
+     */
+    public String getDescription() {
+        return description;
+    }
+
+    /**
+     * This method sets the name of an achievement.
+     * @param description the description of an achievement
+     */
+    public void setDescription(String description) {
+        this.description = description;
+    }
+
+    /**
+     * This method gets the state of an achievement.
+     * @return achievement is (not) achieved
+     */
+    public boolean isAchieved() {
+        return achieved;
+    }
+
+    /**
+     * This method sets the state of an achievement.
+     * @param achieved achievement is (not) achieved
+     */
+    public void setAchieved(boolean achieved) {
+        this.achieved = achieved;
+    }
+
+    /**
+     * This method gets a human readable (JSON) object.
+     * @return the JSON form of the object
+     */
+    @Override
+    public String toString() {
+        return "Achievement(name=" + name + ", description=" + description +
+                ", achieved=" + achieved + ")";
+    }
+
+    /**
+     * This method checks whether two users are equal or not.
+     * @param other another achievement
+     * @return achievements are (not) equal
+     */
+    @Override
+    public boolean equals(Object other) {
+        if (other instanceof Achievement) {
+            Achievement that = (Achievement) other;
+            return achieved == that.achieved &&
+                    name.equals(that.name) &&
+                    Objects.equals(description, that.description);
+        }
+        return false;
+    }
+
+    /**
+     * This method gets the hashcode of an achievement.
+     * @return hashcode of an achievement
+     */
+    @Override
+    public int hashCode() {
+        return Objects.hash(name, description, achieved);
+    }
+}

src/Server/src/test/java/greenify/server/data/model/AchievementTest.java

@@ -0,0 +1,41 @@
+package greenify.server.data.model;
+
+import org.junit.jupiter.api.Test;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+class AchievementTest {
+    private Achievement achievement = new Achievement("SavedCO2", "You saved 100 cow farts of CO2!", true);
+    private Achievement other = new Achievement("SavedCO2", "You saved 100 cow farts of CO2!", true);
+
+    @Test
+    public void getAndSetTest() {
+        Achievement testAchievement = new Achievement();
+        testAchievement.setName("SavedCO2");
+        testAchievement.setDescription("You saved 100 cow farts of CO2!");
+        testAchievement.setAchieved(true);
+        assertEquals("SavedCO2", achievement.getName());
+        assertEquals("You saved 100 cow farts of CO2!", achievement.getDescription());
+        assertTrue(achievement.isAchieved());
+        assertEquals(achievement, testAchievement);
+    }
+
+    @Test
+    public void toStringTest() {
+        assertEquals("Achievement(name=SavedCO2, description=You saved 100 cow farts of CO2!, achieved=true)", achievement.toString());
+    }
+
+    @Test
+    void equalsTest() {
+        assertEquals(achievement.getName(), other.getName());
+        assertEquals(achievement.getDescription(), other.getDescription());
+        assertEquals(achievement.isAchieved(), other.isAchieved());
+        assertEquals(achievement, other);
+    }
+
+    @Test
+    void hashCodeTest() {
+        assertEquals(achievement, other);
+        assertEquals(achievement.hashCode(), other.hashCode());
+    }
+}