всё переделано, тесты работают

.vscode/settings.json

@@ -0,0 +1,3 @@
+{
+    "java.configuration.updateBuildConfiguration": "interactive"
+}

lab2/build.gradle

@@ -1,12 +1,23 @@
 plugins {
 	id 'java'
-	id 'org.springframework.boot' version '3.2.3'
+	id 'org.springframework.boot' version '3.2.4'
 	id 'io.spring.dependency-management' version '1.1.4'
 }
 
 group = 'com.example'
 version = '0.0.1-SNAPSHOT'
 
+defaultTasks 'bootRun'
+
+jar {
+    enabled = false
+}
+
+bootJar {
+    archiveFileName = String.format('%s-%s.jar', rootProject.name, version)
+}
+
+assert System.properties['java.specification.version'] == '17' || '21'
 java {
 	sourceCompatibility = '17'
 }
@@ -17,9 +28,13 @@ repositories {
 
 dependencies {
 	implementation 'org.springframework.boot:spring-boot-starter-web'
+	implementation 'org.springframework.boot:spring-boot-starter-validation'
 	implementation 'org.springdoc:springdoc-openapi-starter-webmvc-ui:2.3.0'
 	implementation 'org.modelmapper:modelmapper:3.2.0'
 
+	implementation 'org.springframework.boot:spring-boot-starter-data-jpa'
+	implementation 'com.h2database:h2:2.2.224'
+
 	testImplementation 'org.springframework.boot:spring-boot-starter-test'
 }
 

lab2/src/main/java/com/example/demo/DemoApplication.java

@@ -11,12 +11,13 @@ import org.springframework.boot.CommandLineRunner;
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
 
-import com.example.demo.comment.model.CommentEntity;
-import com.example.demo.comment.service.CommentService;
+import com.example.demo.comments.model.CommentEntity;
+import com.example.demo.comments.service.CommentService;
 import com.example.demo.news.model.NewEntity;
 import com.example.demo.news.service.NewService;
-import com.example.demo.tage.model.TageEntity;
-import com.example.demo.tage.service.TageService;
+import com.example.demo.newtage.model.NewTageEntity;
+import com.example.demo.tages.model.TageEntity;
+import com.example.demo.tages.service.TageService;
 import com.example.demo.users.model.UserEntity;
 import com.example.demo.users.service.UserService;
 
@@ -52,11 +53,13 @@ public class DemoApplication implements CommandLineRunner {
 			final var tage4 = tageService.create(new TageEntity(null, "программирование"));
 
 			// new
-			final NewEntity new1 = newService.create(new NewEntity(null, "Чемпионат ICPC", new Date(), Arrays.asList(tage1, tage2),
+			final NewEntity new1 = newService.create(new NewEntity(null, "Чемпионат ICPC", new Date(),
 				"Студенты выступят на Чемпионате мира по программированию в Северной Евразии."));
-			final NewEntity new2 = newService.create(new NewEntity(null, "Новый год 2024", new Date(2024 - 1 - 01), Arrays.asList(tage3, tage4),
+			final NewEntity new2 = newService.create(new NewEntity(null, "Новый год 2024", new Date(2024 - 1 - 01),
 				"Администрация ulstu поздравляет студентов и преподавателей с Новым годом и желает крепкого здоровья и успешного Года Дракона!"));
 
+			final NewTageEntity newTage1 = new NewTageEntity(new1, tage1);
+			new1.addTage(newTage1);
 
 			// user
 			final var user1 = userService.create(new UserEntity(null, "beko", "111", "ddwwdd",

lab2/src/main/java/com/example/demo/comment/repository/CommentRepository.java

@@ -1,10 +0,0 @@
-package com.example.demo.comment.repository;
-
-import org.springframework.stereotype.Repository;
-
-import com.example.demo.comment.model.CommentEntity;
-import com.example.demo.core.repository.MapRepository;
-
-@Repository
-public class CommentRepository extends MapRepository<CommentEntity> {
-}

lab2/src/main/java/com/example/demo/comment/service/CommentService.java

@@ -1,50 +0,0 @@
-package com.example.demo.comment.service;
-
-import java.util.List;
-import java.util.Objects;
-import java.util.Optional;
-
-import org.springframework.stereotype.Service;
-
-import com.example.demo.core.error.NotFoundException;
-import com.example.demo.comment.model.CommentEntity;
-import com.example.demo.comment.repository.CommentRepository;
-
-@Service
-public class CommentService {
-    private final CommentRepository repository;
-
-    public CommentService(CommentRepository repository) {
-        this.repository = repository;
-    }
-
-    public List<CommentEntity> getAll(Long newId) {
-        if (Objects.equals(newId, 0L)) {
-            return repository.getAll();
-        }
-        return repository.getAll().stream()
-                .filter(item -> item.getNew().getId().equals(newId))
-                .toList();
-    }
-
-    public CommentEntity get(Long id) {
-        return Optional.ofNullable(repository.get(id))
-                .orElseThrow(() -> new NotFoundException(id));
-    }
-
-    public CommentEntity create(CommentEntity entity) {
-        return repository.create(entity);
-    }
-
-    public CommentEntity update(Long id, CommentEntity entity) {
-        final CommentEntity existsEntity = get(id);
-        existsEntity.setDate(entity.getDate());
-        existsEntity.setText(entity.getText());
-        return repository.update(existsEntity);
-    }
-
-    public CommentEntity delete(Long id) {
-        final CommentEntity existsEntity = get(id);
-        return repository.delete(existsEntity);
-    }
-}

lab2/src/main/java/com/example/demo/comments/api/CommentController.java

@@ -1,4 +1,4 @@
-package com.example.demo.comment.api;
+package com.example.demo.comments.api;
 
 import java.util.List;
 
@@ -13,10 +13,10 @@ import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RequestParam;
 import org.springframework.web.bind.annotation.RestController;
 
+import com.example.demo.comments.model.CommentEntity;
+import com.example.demo.comments.service.CommentService;
 import com.example.demo.core.configuration.Constants;
 import com.example.demo.news.service.NewService;
-import com.example.demo.comment.model.CommentEntity;
-import com.example.demo.comment.service.CommentService;
 
 import jakarta.validation.Valid;
 

lab2/src/main/java/com/example/demo/comments/api/CommentDto.java

@@ -1,9 +1,7 @@
-package com.example.demo.comment.api;
+package com.example.demo.comments.api;
 
 import java.util.Date;
 
-import com.example.demo.news.model.NewEntity;
-import com.example.demo.users.model.UserEntity;
 import com.fasterxml.jackson.annotation.JsonProperty;
 
 import jakarta.validation.constraints.Min;

lab2/src/main/java/com/example/demo/comments/model/CommentEntity.java

@@ -1,4 +1,4 @@
-package com.example.demo.comment.model;
+package com.example.demo.comments.model;
 
 import java.util.Date;
 import java.util.Objects;
@@ -7,10 +7,24 @@ import com.example.demo.core.model.BaseEntity;
 import com.example.demo.news.model.NewEntity;
 import com.example.demo.users.model.UserEntity;
 
+import jakarta.persistence.Column;
+import jakarta.persistence.Entity;
+import jakarta.persistence.JoinColumn;
+import jakarta.persistence.ManyToOne;
+import jakarta.persistence.Table;
+
+@Entity
+@Table(name = "comments")
 public class CommentEntity extends BaseEntity {
+    @Column(nullable = false)
     private Date date;
+    @Column(nullable = false, length = 200)
     private String text;
+    @ManyToOne
+    @JoinColumn(name = "newsId", nullable = false)
     private NewEntity news;
+    @ManyToOne
+    @JoinColumn(name = "userId", nullable = false)
     private UserEntity user;
 
     public CommentEntity() {
@@ -43,6 +57,9 @@ public class CommentEntity extends BaseEntity {
 
     public void setNew(NewEntity news) {
         this.news = news;
+        if (!news.getComments().contains(this)) {
+            news.getComments().add(this);
+        }
     }
 
     public NewEntity getNew() {
@@ -51,6 +68,9 @@ public class CommentEntity extends BaseEntity {
     
     public void setUser(UserEntity user) {
         this.user = user;
+        if (!user.getComments().contains(this)) {
+            user.getComments().add(this);
+        }
     }
 
     public UserEntity getUser() {

lab2/src/main/java/com/example/demo/comments/repository/CommentRepository.java

@@ -0,0 +1,8 @@
+package com.example.demo.comments.repository;
+
+import org.springframework.data.repository.CrudRepository;
+
+import com.example.demo.comments.model.CommentEntity;
+
+public interface CommentRepository extends CrudRepository<CommentEntity, Long> {
+}

lab2/src/main/java/com/example/demo/comments/service/CommentService.java

@@ -0,0 +1,60 @@
+package com.example.demo.comments.service;
+
+import java.util.List;
+import java.util.Objects;
+import java.util.stream.StreamSupport;
+
+import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
+
+import com.example.demo.comments.model.CommentEntity;
+import com.example.demo.comments.repository.CommentRepository;
+import com.example.demo.core.error.NotFoundException;
+
+@Service
+public class CommentService {
+    private final CommentRepository repository;
+
+    public CommentService(CommentRepository repository) {
+        this.repository = repository;
+    }
+
+    @Transactional(readOnly = true)
+    public List<CommentEntity> getAll(Long newId) {
+        if (Objects.equals(newId, 0L)) {
+            return StreamSupport.stream(repository.findAll().spliterator(), false).toList();
+        }
+        return StreamSupport.stream(repository.findAll().spliterator(), false)
+            .filter(item -> item.getNew().getId().equals(newId))
+            .toList();
+    }
+
+    @Transactional(readOnly = true)
+    public CommentEntity get(Long id) {
+        return repository.findById(id)
+                .orElseThrow(() -> new NotFoundException(CommentEntity.class, id));
+    }
+
+    @Transactional
+    public CommentEntity create(CommentEntity entity) {
+        if (entity == null) {
+            throw new IllegalArgumentException("Entity is null");
+        }
+        return repository.save(entity);
+    }
+
+    @Transactional
+    public CommentEntity update(Long id, CommentEntity entity) {
+        final CommentEntity existsEntity = get(id);
+        existsEntity.setDate(entity.getDate());
+        existsEntity.setText(entity.getText());
+        return repository.save(entity);
+    }
+
+    @Transactional
+    public CommentEntity delete(Long id) {
+        final CommentEntity existsEntity = get(id);
+        repository.delete(existsEntity);
+        return existsEntity;
+    }
+}

lab2/src/main/java/com/example/demo/core/error/NotFoundException.java

@@ -1,7 +1,7 @@
 package com.example.demo.core.error;
 
 public class NotFoundException extends RuntimeException {
-    public NotFoundException(Long id) {
-        super(String.format("Entity with id [%s] is not found or not exists", id));
+    public <T> NotFoundException(Class<T> clazz, Long id) {
+        super(String.format("%s with id [%s] is not found or not exists", clazz.getSimpleName(), id));
     }
 }

lab2/src/main/java/com/example/demo/news/api/NewController.java

@@ -18,8 +18,9 @@ import org.springframework.web.bind.annotation.RestController;
 import com.example.demo.core.configuration.Constants;
 import com.example.demo.news.model.NewEntity;
 import com.example.demo.news.service.NewService;
-import com.example.demo.tage.model.TageEntity;
-import com.example.demo.tage.service.TageService;
+import com.example.demo.tages.api.TageDto;
+import com.example.demo.tages.model.TageEntity;
+import com.example.demo.tages.service.TageService;
 
 import jakarta.validation.Valid;
 
@@ -27,29 +28,23 @@ import jakarta.validation.Valid;
 @RequestMapping(Constants.API_URL + "/new")
 public class NewController {
     private final NewService newService;
-    private final TageService tageService;
     private final ModelMapper modelMapper;
 
-    public NewController(NewService newService, TageService tageService, ModelMapper modelMapper) {
+    public NewController(NewService newService, ModelMapper modelMapper) {
         this.newService = newService;
         this.modelMapper = modelMapper;
-        this.tageService = tageService;
     }
 
     private NewDto toDto(NewEntity entity) {
         return modelMapper.map(entity, NewDto.class);
     }
 
-    private NewEntity toEntity(NewDto dto) {
-        final var entity = modelMapper.map(dto, NewEntity.class);
-        List<Long> tagesId = dto.getTagesId();
-        List<TageEntity> tages = Arrays.asList();
-        for (var tageId : tagesId)
-        {
-            tages.add(tageService.get(tageId));
+    private NewDto toTageDto(TageEntity entity) {
+        return modelMapper.map(entity, NewDto.class);
     }
-        entity.setTage(tages);
-        return entity;
+
+    private NewEntity toEntity(NewDto dto) {
+        return modelMapper.map(dto, NewEntity.class);
     }
 
     @GetMapping
@@ -68,7 +63,7 @@ public class NewController {
     }
 
     @PutMapping("/{id}")
-    public NewDto update(@PathVariable(name = "id") Long id, @RequestBody NewDto dto) {
+    public NewDto update(@PathVariable(name = "id") Long id, @RequestBody @Valid NewDto dto) {
         return toDto(newService.update(id, toEntity(dto)));
     }
 
@@ -76,4 +71,36 @@ public class NewController {
     public NewDto delete(@PathVariable(name = "id") Long id) {
         return toDto(newService.delete(id));
     }
+
+    @GetMapping("/{id}/tage")
+    public List<TageDto> getNewTages(@PathVariable(name = "id") Long id) {
+        return newService.getNewTages(id).stream()
+                .map(this::toTageDto)
+                .toList();
+    }
+
+    @PostMapping("/{id}/tage")
+    public List<TageDto> enableNewTages(
+            @PathVariable(name = "id") Long id,
+            @RequestParam(name = "tages", defaultValue = "") List<Long> tagesIds) {
+        return newService.enableNewTages(id, tagesIds).stream()
+                .map(this::toTageDto)
+                .toList();
+    }
+
+    @DeleteMapping("/{id}/tage")
+    public List<TageDto> disableNewTages(
+            @PathVariable(name = "id") Long id,
+            @RequestParam(name = "tages", defaultValue = "") List<Long> tagesIds) {
+        return newService.disableNewTages(id, tagesIds).stream()
+                .map(this::toTageDto)
+                .toList();
+    }
+
+    @DeleteMapping("/{id}/tage/all")
+    public List<TageDto> deleteAllNewTages(@PathVariable(name = "id") Long id) {
+        return newService.deleteAllNewTages(id).stream()
+                .map(this::toTageDto)
+                .toList();
+    }
 }

lab2/src/main/java/com/example/demo/news/model/NewEntity.java

@@ -1,27 +1,45 @@
 package com.example.demo.news.model;
 
 import java.util.Date;
-import java.util.List;
+import java.util.HashSet;
 import java.util.Objects;
+import java.util.Set;
 
+import com.example.demo.comments.model.CommentEntity;
 import com.example.demo.core.model.BaseEntity;
-import com.example.demo.tage.model.TageEntity;
+import com.example.demo.newtage.model.NewTageEntity;
 
+import jakarta.persistence.CascadeType;
+import jakarta.persistence.Column;
+import jakarta.persistence.Entity;
+import jakarta.persistence.OneToMany;
+import jakarta.persistence.OrderBy;
+import jakarta.persistence.Table;
+
+@Entity
+@Table(name = "news")
 public class NewEntity extends BaseEntity {
+    @Column(nullable = false, length = 50)
     private String title;
+    @Column(nullable = false)
     private Date date;
-    private List<TageEntity> tages;
+    @Column(nullable = false, length = 150)
     private String text;
+    @OneToMany(mappedBy = "new", cascade = CascadeType.ALL)
+    @OrderBy("id ASC")
+    private Set<NewTageEntity> newTages = new HashSet<>();
+    @OneToMany(mappedBy = "new", cascade = CascadeType.ALL)
+    @OrderBy("id ASC")
+    private Set<CommentEntity> comments = new HashSet<>();
 
     public NewEntity() {
         super();
     }
 
-    public NewEntity(Long id, String title, Date date, List<TageEntity> tages, String text) {
+    public NewEntity(Long id, String title, Date date, String text) {
         super(id);
         this.title = title;
         this.date = date;
-        this.tages = tages;
         this.text = text;
     }
 
@@ -41,14 +59,6 @@ public class NewEntity extends BaseEntity {
         this.date = date;
     }
 
-    public List<TageEntity> getTage() {
-        return tages;
-    }
-
-    public void setTage(List<TageEntity> tages) {
-        this.tages = tages;
-    }
-
     public String getText() {
         return text;
     }
@@ -57,9 +67,31 @@ public class NewEntity extends BaseEntity {
         this.text = text;
     }
 
+    public Set<NewTageEntity> getNewTages() {
+        return newTages;
+    }
+
+    public void addTage(NewTageEntity newTage) {
+        if (newTage.getNew() != this) {
+            newTage.setNew(this);
+        }
+        newTages.add(newTage);
+    }
+
+    public void deleteTage(NewTageEntity newTage) {
+        if (newTage.getNew() != this) {
+            return;
+        }
+        newTages.remove(newTage);
+    }
+
+    public Set<CommentEntity> getComments() {
+        return comments;
+    }
+
     @Override
     public int hashCode() {
-        return Objects.hash(id, title, date, tages, text);
+        return Objects.hash(id, title, date, newTages, text);
     }
 
     @Override
@@ -72,7 +104,7 @@ public class NewEntity extends BaseEntity {
         return Objects.equals(other.getId(), id)
                 && Objects.equals(other.getTitle(), title)
                 && Objects.equals(other.getDate(), date)
-                && Objects.equals(other.getTage(), tages)
+                && Objects.equals(other.getNewTages(), newTages)
                 && Objects.equals(other.getText(), text);
     }
 }

lab2/src/main/java/com/example/demo/news/repository/NewRepository.java

@@ -1,10 +1,8 @@
 package com.example.demo.news.repository;
 
-import org.springframework.stereotype.Repository;
+import org.springframework.data.repository.CrudRepository;
 
-import com.example.demo.core.repository.MapRepository;
 import com.example.demo.news.model.NewEntity;
 
-@Repository
-public class NewRepository extends MapRepository<NewEntity> {
+public interface NewRepository extends CrudRepository<NewEntity, Long> {
 }

lab2/src/main/java/com/example/demo/news/service/NewService.java

@@ -1,46 +1,87 @@
 package com.example.demo.news.service;
 
 import java.util.List;
-import java.util.Optional;
+import java.util.Objects;
+import java.util.stream.StreamSupport;
 
 import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
 
 import com.example.demo.core.error.NotFoundException;
 import com.example.demo.news.model.NewEntity;
 import com.example.demo.news.repository.NewRepository;
+import com.example.demo.newtage.model.NewTageEntity;
+import com.example.demo.tages.model.TageEntity;
+import com.example.demo.tages.service.TageService;
 
 @Service
 public class NewService {
     private final NewRepository repository;
+    private final TageService tageService;
 
-    public NewService(NewRepository repository) {
+    public NewService(NewRepository repository, TageService tageService) {
         this.repository = repository;
+        this.tageService = tageService;
     }
 
+    @Transactional(readOnly = true)
     public List<NewEntity> getAll() {
-        return repository.getAll();
+        return StreamSupport.stream(repository.findAll().spliterator(), false).toList();
     }
 
+    @Transactional(readOnly = true)
     public NewEntity get(Long id) {
-        return Optional.ofNullable(repository.get(id))
-                .orElseThrow(() -> new NotFoundException(id));
+        return repository.findById(id)
+                .orElseThrow(() -> new NotFoundException(NewEntity.class, id));
     }
 
+    @Transactional
     public NewEntity create(NewEntity entity) {
-        return repository.create(entity);
+        if (entity == null) {
+            throw new IllegalArgumentException("Entity is null");
+        }
+        repository.save(entity);
+        tageService.getAll().forEach(tage -> {
+            final NewTageEntity userTage = new NewTageEntity(entity, tage);
+            userTage.setNew(entity);
+            userTage.setTage(tage);
+        });
+        return repository.save(entity);
     }
 
+    @Transactional
     public NewEntity update(Long id, NewEntity entity) {
         final NewEntity existsEntity = get(id);
         existsEntity.setTitle(entity.getTitle());
         existsEntity.setDate(entity.getDate());
-        existsEntity.setTage(entity.getTage());
         existsEntity.setText(entity.getText());
-        return repository.update(existsEntity);
+        return repository.save(existsEntity);
     }
 
+    @Transactional
     public NewEntity delete(Long id) {
         final NewEntity existsEntity = get(id);
-        return repository.delete(existsEntity);
+        repository.delete(existsEntity);
+        return existsEntity;
+    }
+
+    @Transactional(readOnly = true)
+    public List<TageEntity> getNewTages(long id) {
+        return get(id).getNewTages().stream()
+                .map(NewTageEntity::getTage)
+                .toList();
+    }
+
+    @Transactional
+    public List<TageEntity> deleteAllNewTages(long id) {
+        final NewEntity existsNew = get(id);
+        final List<NewTageEntity> tages = existsNew.getNewTages().stream()
+                .filter(tage -> Objects.nonNull(tage.getTage()))
+                .toList();
+        tages.forEach(existsNew::deleteTage);
+        repository.save(existsNew);
+        return tages.stream()
+                .map(NewTageEntity::getTage)
+                .toList();
     }
 }

lab2/src/main/java/com/example/demo/newtage/model/NewTageEntity.java

@@ -0,0 +1,84 @@
+package com.example.demo.newtage.model;
+
+import java.util.Objects;
+
+import com.example.demo.news.model.NewEntity;
+import com.example.demo.tages.model.TageEntity;
+
+import jakarta.persistence.EmbeddedId;
+import jakarta.persistence.Entity;
+import jakarta.persistence.JoinColumn;
+import jakarta.persistence.ManyToOne;
+import jakarta.persistence.MapsId;
+import jakarta.persistence.Table;
+
+@Entity
+@Table(name = "news_tages")
+public class NewTageEntity {
+    @EmbeddedId
+    private NewTageId id = new NewTageId();
+
+    @ManyToOne
+    @MapsId("newId")
+    @JoinColumn(name = "new_id")
+    private NewEntity news;
+    @ManyToOne
+    @MapsId("tageId")
+    @JoinColumn(name = "tage_id")
+    private TageEntity tage;
+
+    public NewTageEntity() {}
+
+    public NewTageEntity(NewEntity news, TageEntity tage) {
+        this.news = news;
+        this.tage = tage;
+    }
+
+    public NewTageId getId() {
+        return id;
+    }
+
+    public void setId(NewTageId id) {
+        this.id = id;
+    }
+
+    public NewEntity getNew() {
+        return news;
+    }
+
+    public void setNew(NewEntity news) {
+        this.news = news;
+        if (!news.getNewTages().contains(this)) {
+            news.getNewTages().add(this);
+        }
+    }
+
+    public TageEntity getTage() {
+        return tage;
+    }
+
+    public void setTage(TageEntity tage) {
+        this.tage = tage;
+        if (!tage.getNewTages().contains(this)) {
+            tage.getNewTages().add(this);
+        }
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(id, news.getId(), tage.getId());
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        if (this == obj)
+            return true;
+        if (obj == null || getClass() != obj.getClass())
+            return false;
+        NewTageEntity other = (NewTageEntity) obj;
+        return Objects.equals(id, other.id)
+                && Objects.equals(news.getId(), other.news.getId())
+                && Objects.equals(tage.getId(), other.tage.getId());
+    }
+    
+}

lab2/src/main/java/com/example/demo/newtage/model/NewTageId.java

@@ -0,0 +1,53 @@
+package com.example.demo.newtage.model;
+
+import java.util.Objects;
+import java.util.Optional;
+
+import jakarta.persistence.Embeddable;
+
+@Embeddable
+public class NewTageId {
+    private Long newId;
+    private Long tageId;
+
+    public NewTageId() {}
+
+    public NewTageId(Long newId, Long tageId) {
+        this.newId = newId;
+        this.tageId = tageId;
+    }
+
+    public Long getNewId() {
+        return newId;
+    }
+
+    public void setNewId(Long newId) {
+        this.newId = newId;
+    }
+
+    public Long getTageId() {
+        return tageId;
+    }
+
+    public void setTageId(Long tageId) {
+        this.tageId = tageId;
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(
+                Optional.ofNullable(newId).orElse(0L),
+                Optional.ofNullable(tageId).orElse(0L));
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        if (this == obj)
+            return true;
+        if (obj == null || getClass() != obj.getClass())
+            return false;
+        NewTageId other = (NewTageId) obj;
+        return Objects.equals(newId, other.newId)
+                && Objects.equals(tageId, other.tageId);
+    }
+}

lab2/src/main/java/com/example/demo/tage/repository/TageRepository.java

@@ -1,10 +0,0 @@
-package com.example.demo.tage.repository;
-
-import org.springframework.stereotype.Repository;
-
-import com.example.demo.core.repository.MapRepository;
-import com.example.demo.tage.model.TageEntity;
-
-@Repository
-public class TageRepository extends MapRepository<TageEntity> {
-}

lab2/src/main/java/com/example/demo/tage/service/TageService.java

@@ -1,43 +0,0 @@
-package com.example.demo.tage.service;
-
-import java.util.List;
-import java.util.Optional;
-
-import org.springframework.stereotype.Service;
-
-import com.example.demo.core.error.NotFoundException;
-import com.example.demo.tage.model.TageEntity;
-import com.example.demo.tage.repository.TageRepository;
-
-@Service
-public class TageService {
-    private final TageRepository repository;
-
-    public TageService(TageRepository repository) {
-        this.repository = repository;
-    }
-
-    public List<TageEntity> getAll() {
-        return repository.getAll();
-    }
-
-    public TageEntity get(Long id) {
-        return Optional.ofNullable(repository.get(id))
-                .orElseThrow(() -> new NotFoundException(id));
-    }
-
-    public TageEntity create(TageEntity entity) {
-        return repository.create(entity);
-    }
-
-    public TageEntity update(Long id, TageEntity entity) {
-        final TageEntity existsEntity = get(id);
-        existsEntity.setText(entity.getText());
-        return repository.update(existsEntity);
-    }
-
-    public TageEntity delete(Long id) {
-        final TageEntity existsEntity = get(id);
-        return repository.delete(existsEntity);
-    }
-}

lab2/src/main/java/com/example/demo/tages/api/TageController.java

@@ -1,4 +1,4 @@
-package com.example.demo.tage.api;
+package com.example.demo.tages.api;
 
 import java.util.List;
 
@@ -13,8 +13,8 @@ import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
 
 import com.example.demo.core.configuration.Constants;
-import com.example.demo.tage.model.TageEntity;
-import com.example.demo.tage.service.TageService;
+import com.example.demo.tages.model.TageEntity;
+import com.example.demo.tages.service.TageService;
 
 import jakarta.validation.Valid;
 

lab2/src/main/java/com/example/demo/tages/api/TageDto.java

@@ -1,4 +1,4 @@
-package com.example.demo.tage.api;
+package com.example.demo.tages.api;
 
 import com.fasterxml.jackson.annotation.JsonProperty;
 

lab2/src/main/java/com/example/demo/tages/model/TageEntity.java

@@ -1,12 +1,28 @@
-package com.example.demo.tage.model;
+package com.example.demo.tages.model;
 
+import java.util.HashSet;
 import java.util.Objects;
+import java.util.Set;
 
 import com.example.demo.core.model.BaseEntity;
 import com.example.demo.news.model.NewEntity;
+import com.example.demo.newtage.model.NewTageEntity;
 
+import jakarta.persistence.CascadeType;
+import jakarta.persistence.Column;
+import jakarta.persistence.Entity;
+import jakarta.persistence.OneToMany;
+import jakarta.persistence.OrderBy;
+import jakarta.persistence.Table;
+
+@Entity
+@Table(name = "tages")
 public class TageEntity extends BaseEntity{
+    @Column(nullable = false, unique = true, length = 50)
     private String text;
+    @OneToMany(mappedBy = "tages", cascade = CascadeType.ALL)
+    @OrderBy("id ASC")
+    private Set<NewTageEntity> newTages = new HashSet<>();
 
     public TageEntity() {
         super();
@@ -30,6 +46,10 @@ public class TageEntity extends BaseEntity{
         return Objects.hash(id, text);
     }
 
+    public Set<NewTageEntity> getNewTages() {
+        return newTages;
+    }
+
     @Override
     public boolean equals(Object obj) {
         if (this == obj)

lab2/src/main/java/com/example/demo/tages/repository/TageRepository.java

@@ -0,0 +1,11 @@
+package com.example.demo.tages.repository;
+
+import java.util.Optional;
+
+import org.springframework.data.repository.CrudRepository;
+
+import com.example.demo.tages.model.TageEntity;
+
+public interface TageRepository extends CrudRepository<TageEntity, Long> {
+    Optional<TageEntity> findByNameIgnoreCase(String name);
+}

lab2/src/main/java/com/example/demo/tages/service/TageService.java

@@ -0,0 +1,63 @@
+package com.example.demo.tages.service;
+
+import java.util.List;
+import java.util.stream.StreamSupport;
+
+import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
+
+import com.example.demo.core.error.NotFoundException;
+import com.example.demo.tages.model.TageEntity;
+import com.example.demo.tages.repository.TageRepository;
+
+
+@Service
+public class TageService {
+    private final TageRepository repository;
+
+    public TageService(TageRepository repository) {
+        this.repository = repository;
+    }
+
+    private void checkTage(String tage) {
+        if (repository.findByNameIgnoreCase(tage).isPresent()) {
+            throw new IllegalArgumentException(
+                    String.format("Type with tage %s is already exists", tage));
+        }
+    }
+
+    @Transactional(readOnly = true)
+    public List<TageEntity> getAll() {
+        return StreamSupport.stream(repository.findAll().spliterator(), false).toList();
+    }
+
+    @Transactional(readOnly = true)
+    public TageEntity get(Long id) {
+        return repository.findById(id)
+                .orElseThrow(() -> new NotFoundException(TageEntity.class, id));
+    }
+
+    @Transactional
+    public TageEntity create(TageEntity entity) {
+        if (entity == null) {
+            throw new IllegalArgumentException("Entity is null");
+        }
+        checkTage(entity.getText());
+        return repository.save(entity);
+    }
+
+    @Transactional
+    public TageEntity update(Long id, TageEntity entity) {
+        final TageEntity existsEntity = get(id);
+        checkTage(entity.getText());
+        existsEntity.setText(entity.getText());
+        return repository.save(existsEntity);
+    }
+
+    @Transactional
+    public TageEntity delete(Long id) {
+        final TageEntity existsEntity = get(id);
+        repository.delete(existsEntity);
+        return existsEntity;
+    }
+}

lab2/src/main/java/com/example/demo/users/model/UserEntity.java

@@ -1,20 +1,37 @@
 package com.example.demo.users.model;
 
-import java.text.SimpleDateFormat;
 import java.util.Date;
+import java.util.HashSet;
 import java.util.Objects;
+import java.util.Set;
 
+import com.example.demo.comments.model.CommentEntity;
 import com.example.demo.core.model.BaseEntity;
 
+import jakarta.persistence.CascadeType;
+import jakarta.persistence.Column;
+import jakarta.persistence.Entity;
+import jakarta.persistence.OneToMany;
+import jakarta.persistence.OrderBy;
+import jakarta.persistence.Table;
+
+@Entity
+@Table(name = "users")
 public class UserEntity extends BaseEntity {
+    @Column(nullable = false, unique = true, length = 20)
     private String login;
+    @Column(nullable = false, unique = false, length = 20)
     private String password;
+    @Column(nullable = false, unique = false, length = 150)
     private String name;
+    @Column(nullable = false, unique = false, length = 50)
     private String email;
     private Date birthDate;
+    @OneToMany(mappedBy = "user", cascade = CascadeType.ALL)
+    @OrderBy("id ASC")
+    private Set<CommentEntity> comments = new HashSet<>();
 
     public UserEntity() {
-        super();
     }
 
     public UserEntity(Long id, String login, String password, String name, String email, Date birthDate) {
@@ -23,7 +40,6 @@ public class UserEntity extends BaseEntity {
         this.password = password;
         this.name = name;
         this.email = email;
-        SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
         this.birthDate = birthDate;
     }
 
@@ -67,6 +83,17 @@ public class UserEntity extends BaseEntity {
         this.birthDate = birthDate;
     }
 
+    public Set<CommentEntity> getComments() {
+        return comments;
+    }
+
+    public void addComment(CommentEntity comment) {
+        if (comment.getUser() != this) {
+            comment.setUser(this);
+        }
+        comments.add(comment);
+    }
+
     @Override
     public int hashCode() {
         return Objects.hash(id, login, password, name, email, birthDate);

lab2/src/main/java/com/example/demo/users/repository/UserRepository.java

@@ -1,10 +1,11 @@
 package com.example.demo.users.repository;
 
-import org.springframework.stereotype.Repository;
+import java.util.Optional;
+
+import org.springframework.data.repository.CrudRepository;
 
-import com.example.demo.core.repository.MapRepository;
 import com.example.demo.users.model.UserEntity;
 
-@Repository
-public class UserRepository extends MapRepository<UserEntity> {
+public interface UserRepository extends CrudRepository<UserEntity, Long> {
+    Optional<UserEntity> findByLoginIgnoreCase(String login);
 }

lab2/src/main/java/com/example/demo/users/service/UserService.java

@@ -1,9 +1,10 @@
 package com.example.demo.users.service;
 
 import java.util.List;
-import java.util.Optional;
+import java.util.stream.StreamSupport;
 
 import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
 
 import com.example.demo.core.error.NotFoundException;
 import com.example.demo.users.model.UserEntity;
@@ -17,31 +18,49 @@ public class UserService {
         this.repository = repository;
     }
 
+    private void checkLogin(String login) {
+        if (repository.findByLoginIgnoreCase(login).isPresent()) {
+            throw new IllegalArgumentException(
+                    String.format("Type with login %s is already exists", login));
+        }
+    }
+
+    @Transactional(readOnly = true)
     public List<UserEntity> getAll() {
-        return repository.getAll();
+        return StreamSupport.stream(repository.findAll().spliterator(), false).toList();
     }
 
+    @Transactional(readOnly = true)
     public UserEntity get(Long id) {
-        return Optional.ofNullable(repository.get(id))
-                .orElseThrow(() -> new NotFoundException(id));
+        return repository.findById(id)
+                .orElseThrow(() -> new NotFoundException(UserEntity.class, id));
     }
 
+    @Transactional
     public UserEntity create(UserEntity entity) {
-        return repository.create(entity);
+        if (entity == null) {
+            throw new IllegalArgumentException("Entity is null");
+        }
+        checkLogin(entity.getLogin());
+        return repository.save(entity);
     }
 
+    @Transactional
     public UserEntity update(Long id, UserEntity entity) {
         final UserEntity existsEntity = get(id);
+        checkLogin(entity.getLogin());
         existsEntity.setLogin(entity.getLogin());
         existsEntity.setPassword(entity.getPassword());
         existsEntity.setName(entity.getName());
         existsEntity.setEmail(entity.getEmail());
         existsEntity.setBirthDate(entity.getBirthDate());
-        return repository.update(existsEntity);
+        return repository.save(existsEntity);
     }
 
+    @Transactional
     public UserEntity delete(Long id) {
         final UserEntity existsEntity = get(id);
-        return repository.delete(existsEntity);
+        repository.delete(existsEntity);
+        return existsEntity;
     }
 }

lab2/src/test/java/com/example/demo/CommentServiceTest.java

@@ -1,6 +1,5 @@
 package com.example.demo;
 
-import java.util.Arrays;
 import java.util.Date;
 
 import org.junit.jupiter.api.Assertions;
@@ -10,16 +9,16 @@ import org.junit.jupiter.api.TestMethodOrder;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.boot.test.context.SpringBootTest;
 
-import com.example.demo.comment.model.CommentEntity;
-import com.example.demo.comment.service.CommentService;
+import com.example.demo.comments.model.CommentEntity;
+import com.example.demo.comments.service.CommentService;
 import com.example.demo.core.error.NotFoundException;
 import com.example.demo.news.model.NewEntity;
-import com.example.demo.tage.model.TageEntity;
+import com.example.demo.tages.model.TageEntity;
 import com.example.demo.users.model.UserEntity;
 
 @SpringBootTest
 @TestMethodOrder(OrderAnnotation.class)
-public class CommentServiceTest {
+class CommentServiceTest {
     
     @Autowired
     private CommentService commentService;
@@ -34,8 +33,7 @@ public class CommentServiceTest {
     //create
     var tage1 = new TageEntity(null, "пасха");
 
-    var new1 = new NewEntity(null, "Чемпионат ICPC", new Date(), Arrays.asList(tage1),
-				"Студенты выступят на Чемпионате мира по программированию в Северной Евразии.");
+    var new1 = new NewEntity(null, "Чемпионат ICPC", new Date(), "Студенты выступят на Чемпионате мира по программированию в Северной Евразии.");
 
     var user1 = new UserEntity(null, "beko", "111", "ddwwdd", "beko@mail.ru", new Date());
 

lab2/src/test/java/com/example/demo/NewsServiceTest.java

@@ -14,7 +14,7 @@ import org.springframework.boot.test.context.SpringBootTest;
 import com.example.demo.core.error.NotFoundException;
 import com.example.demo.news.model.NewEntity;
 import com.example.demo.news.service.NewService;
-import com.example.demo.tage.model.TageEntity;;
+import com.example.demo.tages.model.TageEntity;;
 
 @SpringBootTest
 @TestMethodOrder(OrderAnnotation.class)
@@ -30,18 +30,18 @@ class NewsServiceTest {
     @Test
     void Test() {
         // create
-        List<TageEntity> list1 = Arrays.asList
-            (new TageEntity(null, "праздник"), new TageEntity(null, "сессия"));
+        var tage1 = new TageEntity(null, "праздник");
+        var tage2 = new TageEntity(null, "сессия");
 
-        newsService.create(new NewEntity(null, "Название", new Date(), list1, "текст новости"));
+        newsService.create(new NewEntity(null, "Название", new Date(), "текст новости"));
         final NewEntity last = newsService.create
-            (new NewEntity(null, "9 апреля", new Date(), null, "просто наступил апрель"));
+            (new NewEntity(null, "9 апреля", new Date(), "просто наступил апрель"));
 
         Assertions.assertEquals(2L, newsService.getAll().size());
         Assertions.assertEquals(last, newsService.get(2L));
 
         // update
-        final var newNew = newsService.update(2L, new NewEntity(2L, "9 мая", new Date(), list1, "уже май!!!!!!!!!"));
+        final var newNew = newsService.update(2L, new NewEntity(2L, "9 мая", new Date(), "уже май!!!!!!!!!"));
         Assertions.assertEquals(2L, newsService.getAll().size());
         Assertions.assertEquals(newNew, newsService.get(2L));
 

lab2/src/test/java/com/example/demo/TageServiceTest.java

@@ -8,13 +8,12 @@ import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.boot.test.context.SpringBootTest;
 
 import com.example.demo.core.error.NotFoundException;
-import com.example.demo.tage.model.TageEntity;
-import com.example.demo.tage.service.TageService;
-import com.example.demo.users.model.UserEntity;
+import com.example.demo.tages.model.TageEntity;
+import com.example.demo.tages.service.TageService;
 
 @SpringBootTest
 @TestMethodOrder(OrderAnnotation.class)
-public class TageServiceTest {
+class TageServiceTest {
     @Autowired
     private TageService tageService;