Lab3

build.gradle

@@ -15,6 +15,8 @@ repositories {
 dependencies {
 	implementation 'org.springframework.boot:spring-boot-starter-web'
 	testImplementation 'org.springframework.boot:spring-boot-starter-test'
+	implementation 'org.springframework.boot:spring-boot-starter-data-jpa'
+	implementation 'com.h2database:h2:2.1.210'
 }
 
 tasks.named('test') {

src/main/java/com/webproglabs/lab1/Lab1Application.java

@@ -2,7 +2,6 @@ package com.webproglabs.lab1;
 
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
-import org.springframework.web.bind.annotation.RestController;
 
 @SpringBootApplication
 public class Lab1Application {

src/main/java/com/webproglabs/lab1/config/Lab2Config.java

@@ -1,20 +0,0 @@
-package com.webproglabs.lab1.config;
-
-import com.webproglabs.lab1.domain.Lab2Int;
-import com.webproglabs.lab1.domain.Lab2String;
-import org.springframework.context.annotation.Bean;
-import org.springframework.context.annotation.Configuration;
-
-@Configuration
-public class Lab2Config {
-
-    @Bean(value="int")
-    public Lab2Int createLab2Int() {
-        return new Lab2Int();
-    }
-
-    @Bean(value="String")
-    public Lab2String createLab2String() {
-        return new Lab2String();
-    }
-}

src/main/java/com/webproglabs/lab1/lab1/Lab1Controller.java

@@ -1,4 +1,4 @@
-package com.webproglabs.lab1.controllers;
+package com.webproglabs.lab1.lab1;
 
 import org.springframework.web.bind.annotation.GetMapping;
 import org.springframework.web.bind.annotation.RequestParam;

src/main/java/com/webproglabs/lab1/lab2/Lab2Config.java

@@ -0,0 +1,27 @@
+package com.webproglabs.lab1.lab2.config;
+
+import com.webproglabs.lab1.lab2.domain.Lab2Int;
+import com.webproglabs.lab1.lab2.domain.Lab2String;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+
+@Configuration
+public class Lab2Config {
+
+    @Bean(value="int")
+    public Lab2Int createLab2Int() {
+        return new Lab2Int();
+    }
+
+    @Bean(value="String")
+    public Lab2String createLab2String() {
+        return new Lab2String();
+    }
+}
+
+//фронт на жсон сервер был когда то
+//сделать на основе старых сущностей сущности в жпа
+//делаем сущности, зависимость для жпа, сервис для круд операций,
+//тесты
+//фронт не нужно
+//двунправленная связь один ко многим

src/main/java/com/webproglabs/lab1/lab2/Lab2Controller.java

@@ -1,6 +1,6 @@
-package com.webproglabs.lab1.controllers;
+package com.webproglabs.lab1.lab2.controllers;
 
-import com.webproglabs.lab1.services.Lab2Service;
+import com.webproglabs.lab1.lab2.Lab2Service;
 import org.springframework.web.bind.annotation.GetMapping;
 import org.springframework.web.bind.annotation.RequestParam;
 import org.springframework.web.bind.annotation.RestController;

src/main/java/com/webproglabs/lab1/lab2/Lab2Service.java

@@ -1,6 +1,6 @@
-package com.webproglabs.lab1.services;
+package com.webproglabs.lab1.lab2;
 
-import com.webproglabs.lab1.domain.Lab2Interface;
+import com.webproglabs.lab1.lab2.domain.Lab2Interface;
 import org.springframework.context.ApplicationContext;
 import org.springframework.stereotype.Service;
 

src/main/java/com/webproglabs/lab1/lab2/domain/Lab2Int.java

@@ -1,4 +1,4 @@
-package com.webproglabs.lab1.domain;
+package com.webproglabs.lab1.lab2.domain;
 
 public class Lab2Int implements Lab2Interface<Integer>{
 //    @Override

src/main/java/com/webproglabs/lab1/lab2/domain/Lab2Interface.java

@@ -1,4 +1,4 @@
-package com.webproglabs.lab1.domain;
+package com.webproglabs.lab1.lab2.domain;
 
 public interface Lab2Interface<T> {
     T sum(T first, T second);

src/main/java/com/webproglabs/lab1/lab2/domain/Lab2String.java

@@ -1,4 +1,4 @@
-package com.webproglabs.lab1.domain;
+package com.webproglabs.lab1.lab2.domain;
 
 public class Lab2String implements Lab2Interface<String>{
 //    @Override

src/main/java/com/webproglabs/lab1/model/Comment.java

@@ -0,0 +1,65 @@
+package com.webproglabs.lab1.model;
+
+import javax.persistence.*;
+import java.util.Objects;
+
+@Entity
+public class Comment {
+    @Id
+    @GeneratedValue(strategy = GenerationType.AUTO)
+    private Long id;
+
+    private String text;
+
+    @ManyToOne()
+    private Profile owner;
+
+    public Comment(){};
+    public Comment(String text, Profile owner) {
+        this.text = text;
+        this.owner = owner;
+    }
+
+    public Long getId() {
+        return id;
+    }
+
+    public String getText() {
+        return text;
+    }
+
+    public void setText(String text) {
+        this.text = text;
+    }
+
+    public Profile getOwner() {
+        return owner;
+    }
+    public void setOwner(Profile owner) {
+        this.owner = owner;
+        if (!owner.getComments().contains(this)) {
+            owner.getComments().add(this);
+        }
+    }
+
+    @Override
+    public boolean equals(Object o) {
+        if (this == o) return true;
+        if (o == null || getClass() != o.getClass()) return false;
+        Comment comment = (Comment) o;
+        return Objects.equals(id, comment.id);
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(id);
+    }
+
+    public String ToString() {
+        return "Comment{" +
+                "id=" + id +
+                ", text='" + text + '\'' +
+                ", owner='" + owner.ToString() + '\'' +
+                '}';
+    }
+}

src/main/java/com/webproglabs/lab1/model/Profile.java

@@ -0,0 +1,101 @@
+package com.webproglabs.lab1.model;
+
+import javax.persistence.*;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Objects;
+
+@Entity
+@Table(name="tab_user")
+public class Profile {
+    @Id
+    @GeneratedValue(strategy = GenerationType.AUTO)
+    private Long id;
+
+    private String login;
+    private String password;
+
+    @OneToMany(mappedBy = "owner", orphanRemoval = true, fetch = FetchType.EAGER)
+    private List<Comment> comments = new ArrayList<Comment>();
+
+    @OneToMany(mappedBy = "friends", fetch = FetchType.EAGER)
+    private List<Profile> friends = new ArrayList<>();
+
+    public Profile(){}
+    public Profile(String login, String password, List<Comment> comments) {
+        this.login = login;
+        this.password=password;
+        for (int i = 0; i < comments.size(); i++) {
+            addComment(comments.get(i));
+        }
+    };
+
+    public Long getId() {
+        return id;
+    }
+
+    public String getLogin() {
+        return login;
+    }
+
+    public void setLogin(String login) {
+        this.login = login;
+    }
+
+    public String getPassword() {
+        return password;
+    }
+
+    public void setPassword(String password) {
+        this.password = password;
+    }
+
+    public List<Comment> getComments() { return comments; }
+
+    public int getCommentsSize() {
+        if (comments == null) return 0;
+        else return comments.size();
+    }
+
+    public List<Profile> getFriends(){
+        return friends;
+    }
+
+    public boolean addFriend(Profile friend){
+        if (!this.equals(friend) && !friends.contains(friend)) {
+            this.friends.add(friend);
+            friend.getFriends().add(this);
+            return true;
+        }
+        return false;
+    }
+
+    public void addComment(Comment comment) {
+        this.comments.add(comment);
+        if (comment.getOwner() != this) {
+            comment.setOwner(this);
+        }
+    }
+
+    @Override
+    public boolean equals(Object o) {
+        if (this == o) return true;
+        if (o == null || getClass() != o.getClass()) return false;
+        Profile user = (Profile) o;
+        return Objects.equals(id, user.id);
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(id);
+    }
+
+    public String ToString() {
+        return "User{" +
+                "id=" + id +
+                ", login='" + login + '\'' +
+                ", password='" + password + '\'' +
+                ", comments='" + getCommentsSize() + '\'' +
+                '}';
+    }
+}

src/main/java/com/webproglabs/lab1/services/CommentService.java

@@ -0,0 +1,69 @@
+package com.webproglabs.lab1.services;
+
+import com.webproglabs.lab1.model.Comment;
+import com.webproglabs.lab1.model.Profile;
+import org.springframework.stereotype.Service;
+import org.springframework.util.StringUtils;
+
+import javax.persistence.EntityManager;
+import javax.persistence.EntityNotFoundException;
+import javax.persistence.PersistenceContext;
+import javax.transaction.Transactional;
+import java.util.List;
+
+@Service
+public class CommentService {
+    @PersistenceContext
+    private EntityManager em;
+
+
+    @Transactional
+    public Comment findComment(Long id) {
+        final Comment comment = em.find(Comment.class, id);
+        if (comment == null) {
+            throw new EntityNotFoundException(String.format("Comment with id [%s] is not found", id));
+        }
+        return comment;
+    }
+
+    @Transactional
+    public List<Comment> findAllComments() {
+        return em.createQuery("select a from Comment a", Comment.class).getResultList();
+    }
+
+    @Transactional
+    public Comment addComment(String text, Profile user) {
+        if (!StringUtils.hasText(text)) {
+            throw new IllegalArgumentException("Comment data is null or empty");
+        }
+        Comment comment = new Comment(text, user);
+        user.addComment(comment);
+        em.merge(user);
+        em.persist(comment);
+        return comment;
+    }
+
+    @Transactional
+    public Comment updateComment(Long id, String text, Profile user) {
+        if (!StringUtils.hasText(text)) {
+            throw new IllegalArgumentException("Comment data is null or empty");
+        }
+        Comment currentComment = findComment(id);
+        currentComment.setText(text);
+        currentComment.setOwner(user);
+        em.merge(user);
+        return em.merge(currentComment);
+    }
+
+    @Transactional
+    public Comment deleteComment(Long id) {
+        final Comment currentComment = findComment(id);
+        em.remove(currentComment);
+        return currentComment;
+    }
+    @Transactional
+    public void deleteAllComments() {
+        em.createQuery("delete from Comment").executeUpdate();
+    }
+
+}

src/main/java/com/webproglabs/lab1/services/FriendService.java

@@ -0,0 +1,40 @@
+package com.webproglabs.lab1.services;
+
+import com.webproglabs.lab1.model.Profile;
+import org.springframework.stereotype.Service;
+
+import javax.persistence.EntityManager;
+import javax.persistence.PersistenceContext;
+import javax.transaction.Transactional;
+import java.util.List;
+
+@Service
+public class FriendService {
+    @PersistenceContext
+    private EntityManager em;
+
+
+    @Transactional
+    public List<Profile> findProfileFriends(Profile user){
+        return  user.getFriends();
+    }
+
+    @Transactional
+    public Profile addFriend(Profile user, Profile friend){
+        if (user.addFriend(friend)){
+            em.merge(user);
+            em.merge(friend);
+            return friend;
+        }
+        return null;
+    }
+
+    @Transactional
+    public Profile deleteFriend(Profile user, Profile friend) {
+        user.getFriends().remove(friend);
+        em.merge(user);
+        friend.getFriends().remove(user);
+        em.merge(friend);
+        return user;
+    }
+}

src/main/java/com/webproglabs/lab1/services/Lab3Service.java

@@ -0,0 +1,17 @@
+package com.webproglabs.lab1.services;
+
+import com.webproglabs.lab1.model.Comment;
+import com.webproglabs.lab1.model.Profile;
+import org.springframework.stereotype.Service;
+import org.springframework.util.StringUtils;
+
+import javax.persistence.EntityManager;
+import javax.persistence.EntityNotFoundException;
+import javax.persistence.PersistenceContext;
+import javax.transaction.Transactional;
+import java.util.List;
+
+@Service
+public class Lab3Service {
+
+}

src/main/java/com/webproglabs/lab1/services/ProfileService.java

@@ -0,0 +1,70 @@
+package com.webproglabs.lab1.services;
+
+import com.webproglabs.lab1.model.Comment;
+import com.webproglabs.lab1.model.Profile;
+import org.springframework.stereotype.Service;
+import org.springframework.util.StringUtils;
+
+import javax.persistence.EntityManager;
+import javax.persistence.EntityNotFoundException;
+import javax.persistence.PersistenceContext;
+import javax.transaction.Transactional;
+import java.util.List;
+
+@Service
+public class ProfileService {
+    @PersistenceContext
+    private EntityManager em;
+
+    @Transactional
+    public Profile findUser(Long id) {
+        final Profile user = em.find(Profile.class, id);
+        if (user == null) {
+            throw new EntityNotFoundException(String.format("User with id [%s] is not found", id));
+        }
+        return user;
+    }
+
+    @Transactional
+    public List<Profile> findAllUsers() {
+        return em.createQuery("select a from Profile a", Profile.class).getResultList();
+    }
+
+    @Transactional
+    public Profile addUser(String login, String password, List<Comment> comments) {
+        if (!StringUtils.hasText(login) || !StringUtils.hasText(password)) {
+            throw new IllegalArgumentException("User data is null or empty");
+        }
+        final Profile user = new Profile(login, password, comments);
+        em.persist(user);
+        return user;
+    }
+
+    @Transactional
+    public Profile updateUser(Long id, String login, String password, List<Comment> comments) {
+        if (!StringUtils.hasText(login) || !StringUtils.hasText(password)) {
+            throw new IllegalArgumentException("User data is null or empty");
+        }
+        final Profile currentUser = findUser(id);
+        currentUser.setLogin(login);
+        currentUser.setPassword(password);
+        currentUser.getComments().clear();
+        for (int i = 0; i < comments.size(); i++) {
+            currentUser.addComment(comments.get(i));
+            em.merge(comments.get(i));
+        }
+        return em.merge(currentUser);
+    }
+
+    @Transactional
+    public Profile deleteUser(Long id) {
+        final Profile currentUser = findUser(id);
+        em.remove(currentUser);
+        return currentUser;
+    }
+
+    @Transactional
+    public void deleteAllUsers() {
+        em.createQuery("delete from Profile").executeUpdate();
+    }
+}

src/main/resources/application.properties

@@ -1 +1,11 @@
-
+spring.main.banner-mode=off
+#server.port=8080
+spring.datasource.url=jdbc:h2:file:./data
+spring.datasource.driverClassName=org.h2.Driver
+spring.datasource.username=sa
+spring.datasource.password=password
+spring.jpa.database-platform=org.hibernate.dialect.H2Dialect
+spring.jpa.hibernate.ddl-auto=update
+spring.h2.console.enabled=true
+spring.h2.console.settings.trace=false
+spring.h2.console.settings.web-allow-others=false

src/test/java/com/webproglabs/lab1/Lab1ApplicationTests.java

@@ -1,63 +1,197 @@
 package com.webproglabs.lab1;
 
-import com.webproglabs.lab1.services.Lab2Service;
+import com.webproglabs.lab1.model.Profile;
+import com.webproglabs.lab1.services.CommentService;
+import com.webproglabs.lab1.services.FriendService;
+import com.webproglabs.lab1.services.ProfileService;
 import org.junit.jupiter.api.Assertions;
 import org.junit.jupiter.api.Test;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.boot.test.context.SpringBootTest;
+import com.webproglabs.lab1.model.Comment;
+
+import javax.persistence.EntityNotFoundException;
+import java.util.*;
 
 @SpringBootTest
 class Lab1ApplicationTests {
 
+	private static final Logger log = LoggerFactory.getLogger(Lab1ApplicationTests.class);
+
 	@Autowired
-	Lab2Service lab2Service;
+	ProfileService profileService;
+
+	@Autowired
+	CommentService commentService;
+
+	@Autowired
+	FriendService friendService;
 
 	@Test
-	void testSumInt() {
-		final int res = (Integer)lab2Service.sum(3, 5, "int");
-		Assertions.assertEquals(8, res);
+	void testUserCreate() {
+		commentService.deleteAllComments();
+		profileService.deleteAllUsers();
+		final Profile user = profileService.addUser("Danya", "123", new ArrayList<>());
+		log.info(user.toString());
+		Assertions.assertNotNull(profileService.findUser(user.getId()));
 	}
 
 	@Test
-	void testSumString() {
-		final String res = (String)lab2Service.sum("Hello", "World", "String");
-		Assertions.assertEquals("HelloWorld", res);
+	void testUserRead() {
+		commentService.deleteAllComments();
+		profileService.deleteAllUsers();
+		final Profile user = profileService.addUser("Danya", "123", new ArrayList<>());
+		log.info(user.toString());
+		final Profile findUser = profileService.findUser(user.getId());
+		log.info(findUser.toString());
+		Assertions.assertEquals(user, findUser);
 	}
 
 	@Test
-	void testBigInt() {
-		final int res = (Integer)lab2Service.makeItBigger(4, "int");
-		Assertions.assertEquals(16, res);
+	void testUserReadNotFound() {
+		commentService.deleteAllComments();
+		profileService.deleteAllUsers();
+		Assertions.assertThrows(EntityNotFoundException.class, () -> profileService.findUser(-1L));
 	}
 
 	@Test
-	void testBigString() {
-		final String res = (String)lab2Service.makeItBigger("hello", "String");
-		Assertions.assertEquals("HELLO", res);
+	void testUserReadAll() {
+		commentService.deleteAllComments();
+		profileService.deleteAllUsers();
+		profileService.addUser("Danya", "123", new ArrayList<>());
+		profileService.addUser("Vanya", "456", new ArrayList<>());
+		final List<Profile> users = profileService.findAllUsers();
+		log.info(users.toString());
+		Assertions.assertEquals(users.size(), 2);
 	}
 
 	@Test
-	void testReverseInt() {
-		final int res = (Integer)lab2Service.reverse(17, "int");
-		Assertions.assertEquals(-17, res);
+	void testUserReadAllEmpty(){
+		commentService.deleteAllComments();
+		profileService.deleteAllUsers();
+		final List<Profile> users = profileService.findAllUsers();
+		log.info(users.toString());
+		Assertions.assertEquals(users.size(), 0);
 	}
 
 	@Test
-	void testReverseString() {
-		final String res = (String)lab2Service.reverse("hello", "String");
-		Assertions.assertEquals("olleh", res);
+	void testCommentCreate(){
+		commentService.deleteAllComments();
+		profileService.deleteAllUsers();
+		Profile user = profileService.addUser("Danya", "123", new ArrayList<>());
+		log.info(user.ToString());
+		Comment comment = commentService.addComment("Hello World", user);
+		log.info(comment.ToString());
+		Assertions.assertEquals(comment.getOwner(), user);
 	}
 
 	@Test
-	void testLenghtInt() {
-		final int res = (Integer)lab2Service.lenght(17, "int");
-		Assertions.assertEquals(17, res);
+	void testCommentRead(){
+		commentService.deleteAllComments();
+		profileService.deleteAllUsers();
+		Profile user = profileService.addUser("Danya", "123", new ArrayList<>());
+		log.info(user.ToString());
+		Comment comment = commentService.addComment("Hello World", user);
+		log.info(comment.ToString());
+		Comment findComment = commentService.findComment(comment.getId());
+		log.info(findComment.ToString());
+		Assertions.assertEquals(comment, findComment);
 	}
 
 	@Test
-	void testLenghtString() {
-		final String res = (String)lab2Service.lenght("hello", "String");
-		Assertions.assertEquals("5", res);
+	void testCommentReadNotFound(){
+		commentService.deleteAllComments();
+		profileService.deleteAllUsers();
+
+		Profile user = profileService.addUser("Danya", "123", new ArrayList<>());
+		log.info(user.ToString());
+		Comment comment = commentService.addComment("Hello World", user);
+		log.info(comment.ToString());
+		commentService.deleteAllComments();
+		Assertions.assertEquals(commentService.findAllComments().size(), 0);
 	}
 
+	@Test
+	void testCommentsReadAll(){
+		commentService.deleteAllComments();
+		profileService.deleteAllUsers();
+		Profile user = profileService.addUser("Danya", "123", new ArrayList<>());
+		log.info(user.ToString());
+		Comment comment1 = commentService.addComment("Hello World", user);
+		log.info(comment1.ToString());
+		Comment comment2 = commentService.addComment("Hello World", user);
+		log.info(comment2.ToString());
+		Assertions.assertEquals(commentService.findAllComments().size(), 2);
+	}
+
+	@Test
+	void testUserCommendsRead(){
+		commentService.deleteAllComments();
+		profileService.deleteAllUsers();
+
+		Profile user = profileService.addUser("Danya", "123", new ArrayList<>());
+		log.info(user.ToString());
+		Comment comment1 = commentService.addComment("Hello World", user);
+		log.info(comment1.ToString());
+		Comment comment2 = commentService.addComment("Hello World", user);
+		log.info(comment2.ToString());
+		Assertions.assertEquals(profileService.findUser(user.getId()).getCommentsSize(), 2);
+	}
+
+	@Test
+	void testDeleteUserComment(){
+		commentService.deleteAllComments();
+		profileService.deleteAllUsers();
+
+		Profile user = profileService.addUser("Danya", "123", new ArrayList<>());
+		log.info(user.ToString());
+		Comment comment1 = commentService.addComment("Hello World", user);
+		log.info(comment1.ToString());
+		Comment comment2 = commentService.addComment("Hello World", user);
+		log.info(comment2.ToString());
+		commentService.deleteComment(comment2.getId());
+		Assertions.assertEquals(profileService.findUser(user.getId()).getCommentsSize(), 1);
+	}
+
+	@Test
+	void testReadProfileFriend(){
+		commentService.deleteAllComments();
+		profileService.deleteAllUsers();
+
+		Profile user = profileService.addUser("Danya", "123", new ArrayList<>());
+		log.info(user.ToString());
+		Profile friend = profileService.addUser("Friend", "245", new ArrayList<>());
+		log.info(friend.ToString());
+		friendService.addFriend(user, friend);
+		Assertions.assertEquals(user.getFriends().size(), 1);
+	}
+
+	@Test
+	void testAddProfileFriend(){
+		commentService.deleteAllComments();
+		profileService.deleteAllUsers();
+
+		Profile user = profileService.addUser("Danya", "123", new ArrayList<>());
+		log.info(user.ToString());
+		Profile friend = profileService.addUser("Friend", "245", new ArrayList<>());
+		log.info(friend.ToString());
+		friendService.addFriend(user, friend);
+		Assertions.assertEquals(friendService.findProfileFriends(user).size(), 1);
+	}
+
+	@Test
+	void testDeleteProfileFriend(){
+		commentService.deleteAllComments();
+		profileService.deleteAllUsers();
+
+		Profile user = profileService.addUser("Danya", "123", new ArrayList<>());
+		log.info(user.ToString());
+		Profile friend = profileService.addUser("Friend", "245", new ArrayList<>());
+		log.info(friend.ToString());
+		friendService.addFriend(user, friend);
+		user = friendService.deleteFriend(user, friend);
+		Assertions.assertEquals(friendService.findProfileFriends(user).size(), 0);
+	}
 }

src/test/resources/application.properties

@@ -0,0 +1,6 @@
+spring.datasource.url=jdbc:h2:mem:testdb
+spring.datasource.driverClassName=org.h2.Driver
+spring.datasource.username=sa
+spring.datasource.password=password
+spring.jpa.database-platform=org.hibernate.dialect.H2Dialect
+spring.jpa.hibernate.ddl-auto=create-drop