kaif

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

@@ -1,5 +1,8 @@
 package com.webproglabs.lab1;
 
+import com.webproglabs.lab1.models.UserRole;
+import com.webproglabs.lab1.mvc.UserSignupMvcController;
+import com.webproglabs.lab1.services.UserService;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.context.annotation.Bean;
@@ -29,47 +32,47 @@ public class SecurityConfiguration extends WebSecurityConfigurerAdapter {
     private final Logger log = LoggerFactory.getLogger(SecurityConfiguration.class);
     private static final String LOGIN_URL = "/login";
     public static final String SPA_URL_MASK = "/{path:[^\\.]*}";
-//    private final ProfileService userService;
-//
-//    public SecurityConfiguration(ProfileService userService) {
-//        this.userService = userService;
-//        createAdminOnStartup();
-//    }
+    private final UserService userService;
 
-//    private void createAdminOnStartup() {
-//        final String admin = "admin";
-//        if (userService.findByLogin(admin) == null) {
-//            log.info("Admin user successfully created");
-//            try {
-//                userService.createUser(admin, admin, admin, UserRole.ADMIN);
-//            } catch (Exception e) {
-//                throw new RuntimeException(e);
-//            }
-//        }
-//    }
+    public SecurityConfiguration(UserService userService) {
+        this.userService = userService;
+        createAdminOnStartup();
+    }
 
-//    @Override
-//    protected void configure(HttpSecurity http) throws Exception {
-//
-//        http.exceptionHandling().authenticationEntryPoint(delegatingEntryPoint());
-//        http.headers().frameOptions().sameOrigin().and()
-//                .cors().and()
-//                .csrf().disable()
-//                .authorizeRequests()
-//                .antMatchers(UserSignupMvcController.SIGNUP_URL).permitAll()
-//                .antMatchers(HttpMethod.GET, LOGIN_URL).permitAll()
-//                .anyRequest().authenticated()
-//                .and()
-//                .formLogin()
-//                .loginPage(LOGIN_URL).permitAll()
-//                .and()
-//                .logout().permitAll();
-//    }
+    private void createAdminOnStartup() {
+        final String admin = "admin";
+        if (userService.findUserByLogin(admin) == null) {
+            log.info("Admin user successfully created");
+            try {
+                userService.createUser(admin, admin, admin, UserRole.ADMIN);
+            } catch (Exception e) {
+                throw new RuntimeException(e);
+            }
+        }
+    }
 
-//    @Override
-//    protected void configure(AuthenticationManagerBuilder auth) throws Exception {
-//        auth.userDetailsService(userService);
-//    }
+    @Override
+    protected void configure(HttpSecurity http) throws Exception {
+
+        http.exceptionHandling().authenticationEntryPoint(delegatingEntryPoint());
+        http.headers().frameOptions().sameOrigin().and()
+                .cors().and()
+                .csrf().disable()
+                .authorizeRequests()
+                .antMatchers(UserSignupMvcController.SIGNUP_URL).permitAll()
+                .antMatchers(HttpMethod.GET, LOGIN_URL).permitAll()
+                .anyRequest().authenticated()
+                .and()
+                .formLogin()
+                .loginPage(LOGIN_URL).permitAll()
+                .and()
+                .logout().permitAll();
+    }
+
+    @Override
+    protected void configure(AuthenticationManagerBuilder auth) throws Exception {
+        auth.userDetailsService(userService);
+    }
 
     @Override
     public void configure(WebSecurity web) {

src/main/java/com/webproglabs/lab1/dao/CommentRepository.java

@@ -0,0 +1,12 @@
+package com.webproglabs.lab1.dao;
+
+import com.webproglabs.lab1.models.Comment;
+import org.springframework.data.jpa.repository.JpaRepository;
+
+import java.util.List;
+import java.util.Optional;
+
+public interface CommentRepository extends JpaRepository<Comment, Long> {
+    List<Comment> findByTextLike(String text);
+    Optional<Comment> findById(Long Id);
+}

src/main/java/com/webproglabs/lab1/dao/PostRepository.java

@@ -0,0 +1,18 @@
+package com.webproglabs.lab1.dao;
+
+import com.webproglabs.lab1.models.Post;
+import com.webproglabs.lab1.models.Topic;
+import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.data.jpa.repository.Query;
+import org.springframework.data.repository.query.Param;
+
+import java.util.List;
+import java.util.Optional;
+
+public interface PostRepository extends JpaRepository<Post, Long> {
+    List<Post> findByTextLike(String text);
+    Optional<Post> findById(Long Id);
+
+    @Query("SELECT p FROM Post p WHERE p.topic = :topic AND p.text LIKE %:text%")
+    List<Post> findPostsByTextInTopic(@Param("text") String text, @Param("topic") Topic topic);
+}

src/main/java/com/webproglabs/lab1/dao/TopicRepository.java

@@ -0,0 +1,15 @@
+package com.webproglabs.lab1.dao;
+
+import com.webproglabs.lab1.models.Post;
+import com.webproglabs.lab1.models.Topic;
+import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.data.jpa.repository.Query;
+import org.springframework.data.repository.query.Param;
+
+import java.util.List;
+import java.util.Optional;
+
+public interface TopicRepository extends JpaRepository<Topic, Long> {
+    Optional<Topic> findById(Long Id);
+
+}

src/main/java/com/webproglabs/lab1/dao/UserRepository.java

@@ -0,0 +1,12 @@
+package com.webproglabs.lab1.dao;
+
+import com.webproglabs.lab1.models.User;
+import org.springframework.data.jpa.repository.JpaRepository;
+
+import java.util.List;
+import java.util.Optional;
+
+public interface UserRepository extends JpaRepository<User, Long> {
+    Optional<User>  findOneByLoginIgnoreCase(String login);
+    Optional<User> findById(Long Id);
+}

src/main/java/com/webproglabs/lab1/dto/CommentDto.java

@@ -0,0 +1,30 @@
+package com.webproglabs.lab1.dto;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+import com.webproglabs.lab1.models.Comment;
+
+import javax.validation.constraints.NotBlank;
+
+public class CommentDto {
+    private Long id;
+    @NotBlank
+    private String text;
+    @NotBlank
+    private String authorLogin;
+
+    public CommentDto(Comment comment) {
+        this.id = comment.getId();
+        this.text = comment.getText();
+        this.authorLogin = comment.getOwner().getLogin();
+    }
+
+    @JsonProperty(access = JsonProperty.Access.READ_ONLY)
+    public long getId() {
+        return id;
+    }
+    public String getText() {return text;}
+    public void setText(String text) {
+        this.text = text;
+    }
+    public String getAuthor() {return authorLogin;}
+}

src/main/java/com/webproglabs/lab1/dto/PostDto.java

@@ -0,0 +1,41 @@
+package com.webproglabs.lab1.dto;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+import com.webproglabs.lab1.models.Comment;
+import com.webproglabs.lab1.models.Post;
+
+import javax.validation.constraints.NotBlank;
+import javax.validation.constraints.NotNull;
+import java.util.ArrayList;
+import java.util.List;
+
+public class PostDto {
+    private Long id;
+    @NotBlank
+    private String text;
+    @NotNull
+    private List<CommentDto> comments = new ArrayList<>();
+    @NotBlank
+    private String authorLogin;
+
+    public PostDto(Post post){
+        this.id = post.getId();
+        this.text = post.getText();
+        for(Comment comment: post.getComments()){
+            comments.add(new CommentDto(comment));
+        }
+        this.authorLogin = post.getAuthor().getLogin();
+    }
+    public PostDto(){}
+
+    @JsonProperty(access = JsonProperty.Access.READ_ONLY)
+    public long getId() {
+        return id;
+    }
+    public String getText() {return text;}
+    public void setText(String text) {
+        this.text = text;
+    }
+    public List<CommentDto> getComments() {return comments;}
+    public String getAuthor() {return authorLogin;}
+}

src/main/java/com/webproglabs/lab1/dto/TopicDto.java

@@ -0,0 +1,54 @@
+package com.webproglabs.lab1.dto;
+
+import com.webproglabs.lab1.models.Comment;
+import com.webproglabs.lab1.models.Post;
+import com.webproglabs.lab1.models.Topic;
+
+import javax.validation.constraints.NotBlank;
+import javax.validation.constraints.NotNull;
+import java.util.ArrayList;
+import java.util.List;
+
+public class TopicDto {
+    private Long id;
+    @NotBlank
+    private String name;
+    @NotBlank
+    private String description;
+    @NotNull
+    private List<PostDto> posts = new ArrayList<>();
+
+    public TopicDto(Topic topic) {
+        this.id = topic.getId();
+        this.name = topic.getName();
+        this.description = topic.getDescription();
+        for(Post post: topic.getPosts()){
+            posts.add(new PostDto(post));
+        }
+    }
+    public TopicDto(){}
+
+    public Long getId() {
+        return id;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public String getDescription() {
+        return description;
+    }
+
+    public List<PostDto> getPosts() {
+        return posts;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public void setDescription(String description) {
+        this.description = description;
+    }
+}

src/main/java/com/webproglabs/lab1/dto/UserDto.java

@@ -0,0 +1,55 @@
+package com.webproglabs.lab1.dto;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+import com.webproglabs.lab1.models.Comment;
+import com.webproglabs.lab1.models.Post;
+import com.webproglabs.lab1.models.User;
+import com.webproglabs.lab1.models.UserRole;
+
+import javax.validation.constraints.NotBlank;
+import javax.validation.constraints.NotNull;
+import java.util.ArrayList;
+import java.util.List;
+
+public class UserDto {
+    private Long id;
+    @NotBlank
+    private String login;
+    @NotBlank
+    private String password;
+    @NotNull
+    private List<CommentDto> comments = new ArrayList<>();
+    @NotNull
+    private List<PostDto> posts = new ArrayList<>();
+    @NotNull
+    private UserRole role;
+
+
+    public UserDto(){}
+
+    public UserDto(User user){
+        this.id = user.getId();
+        this.login = user.getLogin();
+        this.password = user.getPassword();
+        this.role = user.getRole();
+        for(Comment comment: user.getComments()){
+            comments.add(new CommentDto(comment));
+        }
+        for (Post post: user.getPosts()) {
+            posts.add(new PostDto(post));
+        }
+    }
+
+    @JsonProperty(access = JsonProperty.Access.READ_ONLY)
+    public long getId() {
+        return id;
+    }
+    public String getLogin() {return login;}
+    public void setLogin(String login) {this.login = login;}
+    public String getPassword() {return password;}
+    public UserRole getRole() {return role;}
+    public void setPassword(String password) {this.password = password;}
+
+    public List<CommentDto> getComments() {return comments;}
+    public List<PostDto> getPosts() {return posts;}
+}

src/main/java/com/webproglabs/lab1/dto/UserSignupDto.java

@@ -0,0 +1,40 @@
+package com.webproglabs.lab1.dto;
+
+import javax.validation.constraints.NotBlank;
+import javax.validation.constraints.Size;
+
+public class UserSignupDto {
+    @NotBlank
+    @Size(min = 4, max = 64)
+    private String login;
+    @NotBlank
+    @Size(min = 4, max = 64)
+    private String password;
+    @NotBlank
+    @Size(min = 4, max = 64)
+    private String passwordConfirm;
+
+    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 String getPasswordConfirm() {
+        return passwordConfirm;
+    }
+
+    public void setPasswordConfirm(String passwordConfirm) {
+        this.passwordConfirm = passwordConfirm;
+    }
+}

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

@@ -0,0 +1,82 @@
+package com.webproglabs.lab1.models;
+
+import javax.persistence.*;
+import java.util.Objects;
+
+@Entity
+public class Comment {
+    @Id
+    @GeneratedValue(strategy = GenerationType.AUTO)
+    private Long id;
+
+    private String text;
+
+    @ManyToOne()
+    private User owner;
+
+    @ManyToOne()
+    private Post post;
+
+    public Comment(){};
+    public Comment(String text, User owner, Post post) {
+        this.text = text;
+        this.owner = owner;
+        this.post = post;
+    }
+
+    public Long getId() {
+        return id;
+    }
+
+    public String getText() {
+        return text;
+    }
+
+    public void setText(String text) {
+        this.text = text;
+    }
+
+    public User getOwner() {
+        return owner;
+    }
+
+    public void setOwner(User owner) {
+        this.owner.getComments().remove(this);
+        this.owner = owner;
+        if (!owner.getComments().contains(this)) {
+            owner.getComments().add(this);
+        }
+    }
+
+    public Post getPost() {return post; }
+
+    public void setPost(Post post) {
+        this.post.getComments().remove(this);
+        this.post = post;
+        if (!post.getComments().contains(this)) {
+            post.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() + '\'' +
+                ", post='" + post.ToString() + '\'' +
+                '}';
+    }
+}

src/main/java/com/webproglabs/lab1/models/Post.java

@@ -0,0 +1,97 @@
+package com.webproglabs.lab1.models;
+
+import javax.persistence.*;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Objects;
+
+@Entity
+public class Post {
+    @Id
+    @GeneratedValue(strategy = GenerationType.AUTO)
+    private Long id;
+
+    private String text;
+
+    @OneToMany(mappedBy = "post", orphanRemoval = true, fetch = FetchType.EAGER)
+    private List<Comment> comments = new ArrayList<Comment>();
+
+    @ManyToOne()
+    private User author;
+
+    @ManyToOne()
+    private Topic topic;
+
+    public Post(){}
+    public Post(String text, User author, Topic topic) {
+        this.text = text;
+        this.author = author;
+        this.topic = topic;
+    }
+
+    public Long getId() {
+        return id;
+    }
+
+    public String getText() {
+        return text;
+    }
+
+    public void setText(String text) {
+        this.text = text;
+    }
+
+    public User getAuthor() {
+        return author;
+    }
+
+    public void setAuthor(User author) {
+        this.author.getPosts().remove(this);
+        this.author = author;
+        if (!author.getPosts().contains(this)) {
+            author.getPosts().add(this);
+        }
+    }
+
+    public Topic getTopic() {
+        return topic;
+    }
+
+    public void setTopic(Topic topic) {
+        this.topic.getPosts().remove(this);
+        this.topic = topic;
+        if (!topic.getPosts().contains(this)) {
+            topic.getPosts().add(this);
+        }
+    }
+
+    public List<Comment> getComments() { return comments; }
+
+    public void addComment(Comment comment) {
+        this.comments.add(comment);
+        if (comment.getPost() != this) {
+            comment.setPost(this);
+        }
+    }
+
+    @Override
+    public boolean equals(Object o) {
+        if (this == o) return true;
+        if (o == null || getClass() != o.getClass()) return false;
+        Post post = (Post) o;
+        return Objects.equals(id, post.id);
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(id);
+    }
+
+    public String ToString() {
+        return "Post{" +
+                "id=" + id +
+                ", text='" + text + '\'' +
+                ", author='" + author.ToString() + '\'' +
+                '}';
+    }
+}

src/main/java/com/webproglabs/lab1/models/Topic.java

@@ -0,0 +1,78 @@
+package com.webproglabs.lab1.models;
+
+import javax.persistence.*;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Objects;
+
+@Entity
+public class Topic {
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private Long id;
+
+    private String name;
+    private String description;
+
+    @OneToMany(mappedBy = "topic", orphanRemoval = true, fetch = FetchType.EAGER)
+    private List<Post> posts;
+
+    public Topic(String name, String description) {
+        this.name = name;
+        this.description = description;
+        this.posts = new ArrayList<Post>();
+    }
+    public Topic(){}
+
+    public Long getId() {
+        return id;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public String getDescription() {
+        return description;
+    }
+
+    public List<Post> getPosts() {
+        return posts;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public void setDescription(String description) {
+        this.description = description;
+    }
+
+    public void addPost(Post post) {
+        this.posts.add(post);
+        if (post.getTopic() != this) {
+            post.setTopic(this);
+        }
+    }
+
+    @Override
+    public boolean equals(Object o) {
+        if (this == o) return true;
+        if (o == null || getClass() != o.getClass()) return false;
+        Topic topic = (Topic) o;
+        return Objects.equals(id, topic.id);
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(id);
+    }
+
+    public String ToString() {
+        return "Topic{" +
+                "id=" + id +
+                ", name='" + name + '\'' +
+                ", description='" + description + '\'' +
+                '}';
+    }
+}

src/main/java/com/webproglabs/lab1/models/User.java

@@ -0,0 +1,110 @@
+package com.webproglabs.lab1.models;
+
+import javax.persistence.*;
+import javax.validation.constraints.NotBlank;
+import javax.validation.constraints.Size;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Objects;
+
+@Entity
+@Table(name="users")
+public class User {
+    @Id
+    @GeneratedValue(strategy = GenerationType.AUTO)
+    private Long id;
+
+    @Column(nullable = false, unique = true, length = 64)
+    @NotBlank
+    @Size(min = 3, max = 64)
+    private String login;
+
+    @Column(nullable = false, length = 64)
+    @NotBlank
+    @Size(min = 4, max = 64)
+    private String password;
+
+    private UserRole role;
+
+    @OneToMany(mappedBy = "owner", orphanRemoval = true, fetch = FetchType.EAGER)
+    private List<Comment> comments = new ArrayList<Comment>();
+
+    @OneToMany(mappedBy = "author", orphanRemoval = true, fetch = FetchType.EAGER)
+    private List<Post> posts = new ArrayList<Post>();
+
+    public User(){}
+    public User(String login, String password) {
+        this.login = login;
+        this.password=password;
+        this.role = UserRole.USER;
+    };
+
+    public User(String login, String password, UserRole role) {
+        this.login = login;
+        this.password=password;
+        this.role = role;
+    };
+
+    public Long getId() {
+        return id;
+    }
+
+    public String getLogin() {
+        return login;
+    }
+
+    public UserRole getRole() {
+        return role;
+    }
+
+    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 List<Post> getPosts() {return posts; }
+
+    public void addComment(Comment comment) {
+        this.comments.add(comment);
+        if (comment.getOwner() != this) {
+            comment.setOwner(this);
+        }
+    }
+
+    public void addPost(Post post) {
+        this.posts.add(post);
+        if (post.getAuthor() != this) {
+            post.setAuthor(this);
+        }
+    }
+
+    @Override
+    public boolean equals(Object o) {
+        if (this == o) return true;
+        if (o == null || getClass() != o.getClass()) return false;
+        User user = (User) 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 + '\'' +
+                '}';
+    }
+}

src/main/java/com/webproglabs/lab1/models/UserRole.java

@@ -0,0 +1,20 @@
+package com.webproglabs.lab1.models;
+
+import org.springframework.security.core.GrantedAuthority;
+
+public enum UserRole implements GrantedAuthority {
+    ADMIN,
+    USER;
+
+    private static final String PREFIX = "ROLE_";
+
+    @Override
+    public String getAuthority() {
+        return PREFIX + this.name();
+    }
+
+    public static final class AsString {
+        public static final String ADMIN = PREFIX + "ADMIN";
+        public static final String USER = PREFIX + "USER";
+    }
+}

src/main/java/com/webproglabs/lab1/mvc/FeedMvcController.java

@@ -0,0 +1,142 @@
+package com.webproglabs.lab1.mvc;
+
+import com.webproglabs.lab1.dto.CommentDto;
+import com.webproglabs.lab1.dto.PostDto;
+import com.webproglabs.lab1.dto.TopicDto;
+import com.webproglabs.lab1.dto.UserDto;
+import com.webproglabs.lab1.services.CommentService;
+import com.webproglabs.lab1.services.PostService;
+import com.webproglabs.lab1.services.TopicService;
+import com.webproglabs.lab1.services.UserService;
+import org.springframework.security.core.context.SecurityContextHolder;
+import org.springframework.security.core.userdetails.UserDetails;
+import org.springframework.stereotype.Controller;
+import org.springframework.ui.Model;
+import org.springframework.web.bind.annotation.*;
+
+@Controller
+@RequestMapping("/feed")
+public class FeedMvcController {
+    private final UserService userService;
+    private final PostService postService;
+    private final CommentService commentService;
+    private final TopicService topicService;
+
+    public FeedMvcController(UserService userService, PostService postService, CommentService commentService, TopicService topicService) {
+        this.userService = userService;
+        this.postService = postService;
+        this.commentService = commentService;
+        this.topicService = topicService;
+    }
+
+    @GetMapping
+    public String getFeedPage(Model model) {
+        model.addAttribute("topics", topicService.findAllTopics().stream().map(TopicDto::new).toList());
+        return "feed";
+    }
+
+    @GetMapping(value = {"/{id}"})
+    public String getFeedPageWithTopic(@PathVariable Long id, Model model) {
+        model.addAttribute("profiles", userService.findAllUsers().stream().map(UserDto::new).toList());
+        model.addAttribute("posts", topicService.findTopicById(id).getPosts().stream().map(PostDto::new).toList());
+        model.addAttribute("topics", topicService.findAllTopics().stream().map(TopicDto::new).toList());
+
+        UserDetails principal = (UserDetails)SecurityContextHolder.getContext().getAuthentication().getPrincipal();
+        var user = userService.findUserByLogin(principal.getUsername());
+        model.addAttribute("selectedProfile", new UserDto(userService.findUserById(user.getId())));
+
+        model.addAttribute("selectedTopic", new TopicDto(topicService.findTopicById(id)));
+
+        return "feedPosts";
+    }
+
+    @GetMapping(value= {"/filter/{id}/"})
+    public String getFeedPageFiltered(@PathVariable Long id, @RequestParam(value="searchField") String searchField, Model model) {
+        model.addAttribute("profiles", userService.findAllUsers().stream().map(UserDto::new).toList());
+        model.addAttribute("topics", topicService.findAllTopics().stream().map(TopicDto::new).toList());
+        UserDetails principal = (UserDetails)SecurityContextHolder.getContext().getAuthentication().getPrincipal();
+        var user = userService.findUserByLogin(principal.getUsername());
+        model.addAttribute("selectedProfile", new UserDto(userService.findUserById(user.getId())));
+        model.addAttribute("selectedTopic", new TopicDto(topicService.findTopicById(id)));
+
+        model.addAttribute("posts", postService.findPostsInTopicByText(searchField, id).stream().map(PostDto::new).toList());
+
+        return "feedPosts";
+    }
+
+    @PostMapping(value={"/{topicId}/post/{id}/"})
+    public String createPost(@PathVariable Long topicId, @PathVariable Long id, @RequestParam(value="postInputField") String postInputField) {
+        postService.addPost(postInputField, id, topicId);
+        return "redirect:/feed/" + topicId.toString();
+    }
+
+    @PostMapping(value = {"/deletePost/{id}/{topicId}"})
+    public String deletePost(@PathVariable Long id, @PathVariable Long topicId) {
+        postService.deletePost(id);
+        return "redirect:/feed/" + topicId.toString();
+    }
+
+    @GetMapping(value = {"postModal/{id}/{topicId}"})
+    public String getPostEditModal(@PathVariable Long id,@PathVariable Long topicId, Model model) {
+        model.addAttribute("selectedPost", new PostDto(postService.findPostById(id)));
+        model.addAttribute("profiles", userService.findAllUsers().stream().map(UserDto::new).toList());
+        model.addAttribute("posts", topicService.findTopicById(topicId).getPosts().stream().map(PostDto::new).toList());
+
+        UserDetails principal = (UserDetails)SecurityContextHolder.getContext().getAuthentication().getPrincipal();
+        var user = userService.findUserByLogin(principal.getUsername());
+        model.addAttribute("selectedProfile", new UserDto(userService.findUserById(user.getId())));
+        model.addAttribute("selectedTopic", new TopicDto(topicService.findTopicById(topicId)));
+        return "editPostModal";
+    }
+
+    @PostMapping(value = {"editPost/{id}/{topicId}/"})
+    public String editPost(@PathVariable Long id, @PathVariable Long topicId, @RequestParam(value="postEditField") String postEditField) {
+        postService.updatePost(id, postEditField);
+        return "redirect:/feed/" + topicId.toString();
+    }
+
+    @GetMapping(value = {"commentModal/{topicId}/{postId}"})
+    public String getCommentModal(@PathVariable Long topicId,@PathVariable Long postId, Model model) {
+        model.addAttribute("selectedPost", new PostDto(postService.findPostById(postId)));
+        model.addAttribute("profiles", userService.findAllUsers().stream().map(UserDto::new).toList());
+        model.addAttribute("posts", topicService.findTopicById(topicId).getPosts().stream().map(PostDto::new).toList());
+
+        UserDetails principal = (UserDetails)SecurityContextHolder.getContext().getAuthentication().getPrincipal();
+        var user = userService.findUserByLogin(principal.getUsername());
+        model.addAttribute("selectedProfile", new UserDto(userService.findUserById(user.getId())));
+        model.addAttribute("selectedTopic", new TopicDto(topicService.findTopicById(topicId)));
+        return "commentModal";
+    }
+
+    @PostMapping(value = {"comment/{authorId}/{topicId}/{postId}/"})
+    public String createComment(@PathVariable Long authorId, @PathVariable Long topicId, @PathVariable Long postId, @RequestParam(value="commentInputField") String commentInputField) {
+        commentService.addComment(commentInputField, authorId, postId);
+        return "redirect:/feed/" + topicId.toString();
+    }
+
+    @PostMapping(value = {"/deleteComment/{id}/{topicId}"})
+    public String deleteComment(@PathVariable Long id, @PathVariable Long topicId) {
+        commentService.deleteComment(id);
+        return "redirect:/feed/" + topicId.toString();
+    }
+
+    @GetMapping(value = {"commentEditModal/{id}/{topicId}"})
+    public String getCommentEditModal(@PathVariable Long id,@PathVariable Long topicId, Model model) {
+        model.addAttribute("selectedComment", new CommentDto(commentService.findCommentById(id)));
+        model.addAttribute("profiles", userService.findAllUsers().stream().map(UserDto::new).toList());
+        model.addAttribute("posts", topicService.findTopicById(topicId).getPosts().stream().map(PostDto::new).toList());
+
+        UserDetails principal = (UserDetails)SecurityContextHolder.getContext().getAuthentication().getPrincipal();
+        var user = userService.findUserByLogin(principal.getUsername());
+        model.addAttribute("selectedProfile", new UserDto(userService.findUserById(user.getId())));
+        model.addAttribute("selectedTopic", new TopicDto(topicService.findTopicById(topicId)));
+        return "editCommentModal";
+    }
+
+    @PostMapping(value = {"editComment/{topicId}/{commentId}/"})
+    public String editComment(@PathVariable Long topicId,@PathVariable Long commentId, @RequestParam(value="commentEditField") String commentEditField) {
+        commentService.updateComment(commentId, commentEditField);
+        return "redirect:/feed/" + topicId.toString();
+    }
+
+}

src/main/java/com/webproglabs/lab1/mvc/TopicMvcController.java

@@ -0,0 +1,58 @@
+package com.webproglabs.lab1.mvc;
+
+import com.webproglabs.lab1.dto.TopicDto;
+import com.webproglabs.lab1.dto.UserSignupDto;
+import com.webproglabs.lab1.models.UserRole;
+import com.webproglabs.lab1.services.TopicService;
+import org.springframework.security.access.annotation.Secured;
+import org.springframework.stereotype.Controller;
+import org.springframework.ui.Model;
+import org.springframework.web.bind.annotation.*;
+
+@Controller
+@RequestMapping("/topic")
+public class TopicMvcController {
+    private final TopicService topicService;
+
+    public TopicMvcController(TopicService topicService) {
+        this.topicService = topicService;
+    }
+
+    @GetMapping
+    @Secured({UserRole.AsString.ADMIN})
+    public String getTopics(Model model) {
+        model.addAttribute("topics", topicService.findAllTopics().stream().map(TopicDto::new).toList());
+        model.addAttribute("topicDto", new TopicDto());
+        return "topics";
+    }
+
+    @PostMapping(value = {"/create"})
+    @Secured({UserRole.AsString.ADMIN})
+    public String createTopic(@ModelAttribute TopicDto topicDto) {
+        topicService.addTopic(topicDto.getName(), topicDto.getDescription());
+        return "redirect:/topic";
+    }
+
+    @PostMapping(value = {"/delete/{Id}"})
+    @Secured({UserRole.AsString.ADMIN})
+    public String deleteTopic(@PathVariable Long Id) {
+        topicService.deleteTopic(Id);
+        return "redirect:/topic";
+    }
+
+    @GetMapping(value = {"/edit/{Id}"})
+    @Secured({UserRole.AsString.ADMIN})
+    public String getTopicEdit(@PathVariable Long Id, Model model) {
+        model.addAttribute("topic", new TopicDto(topicService.findTopicById(Id)));
+        model.addAttribute("topicDto", new TopicDto(topicService.findTopicById(Id)));
+        return "topicEdit";
+    }
+
+    @PostMapping(value = {"/edit/{Id}"})
+    @Secured({UserRole.AsString.ADMIN})
+    public String editTopic(@PathVariable Long Id, @ModelAttribute TopicDto topicDto) {
+        topicService.updateTopic(Id, topicDto.getName(), topicDto.getDescription());
+        return "redirect:/topic";
+    }
+
+}

src/main/java/com/webproglabs/lab1/mvc/UserMvcController.java

@@ -0,0 +1,79 @@
+package com.webproglabs.lab1.mvc;
+
+import com.webproglabs.lab1.dto.UserDto;
+import com.webproglabs.lab1.dto.UserSignupDto;
+import com.webproglabs.lab1.models.User;
+import com.webproglabs.lab1.models.UserRole;
+import com.webproglabs.lab1.services.UserService;
+import org.springframework.security.access.annotation.Secured;
+import org.springframework.security.core.context.SecurityContextHolder;
+import org.springframework.security.core.userdetails.UserDetails;
+import org.springframework.stereotype.Controller;
+import org.springframework.ui.Model;
+import org.springframework.validation.BindingResult;
+import org.springframework.web.bind.annotation.*;
+
+import javax.validation.Valid;
+
+@Controller
+@RequestMapping("/users")
+public class UserMvcController {
+    private final UserService userService;
+
+    public UserMvcController(UserService userService) {
+        this.userService = userService;
+    }
+
+    @GetMapping
+    @Secured({UserRole.AsString.ADMIN})
+    public String getUsersPage(Model model){
+        model.addAttribute("profiles", userService.findAllUsers().stream().map(UserDto::new).toList());
+        return "users";
+    }
+
+    @PostMapping(value = {"/{id}"})
+    @Secured({UserRole.AsString.ADMIN})
+    public String deleteUser(@PathVariable Long id) {
+        userService.deleteUser(id);
+        return "redirect:/users";
+    }
+
+    @GetMapping(value = {"/{login}"})
+    public String getUserPage(@PathVariable String login, Model model) {
+        model.addAttribute("user", new UserDto(userService.findUserByLogin(login)));
+        return "userPage";
+    }
+
+    @GetMapping(value = {"/settings"})
+    public String getUserEditPage(Model model) {
+        UserDetails principal = (UserDetails) SecurityContextHolder.getContext().getAuthentication().getPrincipal();
+        var currentUser = userService.findUserByLogin(principal.getUsername());
+        model.addAttribute("user", new UserDto(userService.findUserById(currentUser.getId())));
+        model.addAttribute("userDto", new UserSignupDto());
+
+        return "userEditPage";
+    }
+
+    @PostMapping(value = {"/edit/{id}"})
+    public String editUserData(@PathVariable Long id, @ModelAttribute("userDto") @Valid UserSignupDto userSignupDto,
+                         BindingResult bindingResult,
+                         Model model) {
+        UserDetails principal = (UserDetails) SecurityContextHolder.getContext().getAuthentication().getPrincipal();
+        var currentUser = userService.findUserByLogin(principal.getUsername());
+        model.addAttribute("user", new UserDto(userService.findUserById(currentUser.getId())));
+        model.addAttribute("userDto", new UserSignupDto());
+
+        if (bindingResult.hasErrors()) {
+            model.addAttribute("errors", bindingResult.getAllErrors());
+            return "userEditPage";
+        }
+        try {
+            final User user = userService.updateUser(id, userSignupDto.getLogin(), userSignupDto.getPassword(), userSignupDto.getPasswordConfirm());
+            model.addAttribute("success", "Данные успешно изменены");
+            return "userEditPage";
+        } catch (Exception e) {
+            model.addAttribute("errors", e.getMessage());
+            return "userEditPage";
+        }
+    }
+}

src/main/java/com/webproglabs/lab1/mvc/UserSignupMvcController.java

@@ -0,0 +1,55 @@
+package com.webproglabs.lab1.mvc;
+
+import com.webproglabs.lab1.dto.UserSignupDto;
+import com.webproglabs.lab1.models.User;
+import com.webproglabs.lab1.services.UserService;
+import org.springframework.stereotype.Controller;
+import org.springframework.ui.Model;
+import org.springframework.validation.BindingResult;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.ModelAttribute;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestMapping;
+
+import javax.validation.Valid;
+
+@Controller
+@RequestMapping()
+public class UserSignupMvcController {
+    public static final String SIGNUP_URL = "/signup";
+
+    private final UserService userService;
+
+    public UserSignupMvcController(UserService userService) {
+        this.userService = userService;
+    }
+
+    @GetMapping
+    public String toFeed() {
+        return "redirect:/feed";
+    }
+
+    @GetMapping(SIGNUP_URL)
+    public String showSignupForm(Model model) {
+        model.addAttribute("userDto", new UserSignupDto());
+        return "signup";
+    }
+
+    @PostMapping(SIGNUP_URL)
+    public String signup(@ModelAttribute("userDto") @Valid UserSignupDto userSignupDto,
+                         BindingResult bindingResult,
+                         Model model) {
+        if (bindingResult.hasErrors()) {
+            model.addAttribute("errors", bindingResult.getAllErrors());
+            return "signup";
+        }
+        try {
+            final User user = userService.createUser(userSignupDto.getLogin(), userSignupDto.getPassword(), userSignupDto.getPasswordConfirm());
+            return "redirect:/login?created=" + user.getLogin();
+        } catch (Exception e) {
+            model.addAttribute("errors", e.getMessage());
+            return "signup";
+        }
+    }
+
+}

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

@@ -0,0 +1,80 @@
+package com.webproglabs.lab1.services;
+
+import com.webproglabs.lab1.dao.CommentRepository;
+import com.webproglabs.lab1.dao.PostRepository;
+import com.webproglabs.lab1.dao.UserRepository;
+import com.webproglabs.lab1.models.Comment;
+import com.webproglabs.lab1.models.Post;
+import com.webproglabs.lab1.models.User;
+import org.springframework.stereotype.Service;
+import org.springframework.util.StringUtils;
+
+import javax.persistence.EntityNotFoundException;
+import javax.transaction.Transactional;
+import java.util.List;
+import java.util.Optional;
+
+@Service
+public class CommentService {
+    private final UserRepository userRepository;
+    private final CommentRepository commentRepository;
+    private final PostRepository postRepository;
+
+    public CommentService(UserRepository profileRepository, CommentRepository commentRepository, PostRepository postRepository) {
+        this.userRepository = profileRepository;
+        this.commentRepository = commentRepository;
+        this.postRepository = postRepository;
+    }
+
+    @Transactional
+    public Comment findCommentById(Long id) {
+        final Optional<Comment> comment = commentRepository.findById(id);
+        return comment.orElseThrow(EntityNotFoundException::new);
+    }
+
+    @Transactional
+    public List<Comment> findAllComments() {
+        return commentRepository.findAll();
+    }
+
+    @Transactional
+    public Comment addComment(String text, Long userId, Long postId) {
+        if (!StringUtils.hasText(text)) {
+            throw new IllegalArgumentException("Comment data is null or empty");
+        }
+        try{
+            User user = userRepository.findById(userId).get();
+            Post post = postRepository.findById(postId).get();
+            Comment comment = new Comment(text, user, post);
+            user.addComment(comment);
+            post.addComment(comment);
+            userRepository.save(user);
+            postRepository.save(post);
+            return commentRepository.save(comment);
+        }
+        catch (Exception exception) {
+            return null;
+        }
+    }
+
+    @Transactional
+    public Comment updateComment(Long id, String text) {
+        if (!StringUtils.hasText(text)) {
+            throw new IllegalArgumentException("Comment data is null or empty");
+        }
+        Comment currentComment = findCommentById(id);
+        currentComment.setText(text);
+        final User owner = currentComment.getOwner();
+        userRepository.save(owner);
+        final Post post = currentComment.getPost();
+        postRepository.save(post);
+        return commentRepository.save(currentComment);
+    }
+
+    @Transactional
+    public Comment deleteComment(Long id) {
+        final Comment currentComment = findCommentById(id);
+        commentRepository.delete(currentComment);
+        return currentComment;
+    }
+}

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

@@ -0,0 +1,86 @@
+package com.webproglabs.lab1.services;
+
+import com.webproglabs.lab1.dao.CommentRepository;
+import com.webproglabs.lab1.dao.PostRepository;
+import com.webproglabs.lab1.dao.TopicRepository;
+import com.webproglabs.lab1.dao.UserRepository;
+import com.webproglabs.lab1.models.Comment;
+import com.webproglabs.lab1.models.Post;
+import com.webproglabs.lab1.models.Topic;
+import com.webproglabs.lab1.models.User;
+import org.springframework.stereotype.Service;
+import org.springframework.util.StringUtils;
+
+import javax.persistence.EntityNotFoundException;
+import javax.transaction.Transactional;
+import java.util.List;
+import java.util.Optional;
+
+@Service
+public class PostService {
+    private final PostRepository postRepository;
+    private final CommentRepository commentRepository;
+    private final UserRepository userRepository;
+
+    private final TopicRepository topicRepository;
+
+    public PostService(PostRepository postRepository, CommentRepository commentRepository, UserRepository userRepository, TopicRepository topicRepository) {
+        this.postRepository = postRepository;
+        this.commentRepository = commentRepository;
+        this.userRepository = userRepository;
+        this.topicRepository = topicRepository;
+    }
+
+    @Transactional
+    public Post findPostById(Long id) {
+        final Optional<Post> post = postRepository.findById(id);
+        return post.orElseThrow(EntityNotFoundException::new);
+    }
+
+    @Transactional
+    public List<Post> findAllPosts() {
+        return postRepository.findAll();
+    }
+
+    @Transactional
+    public List<Post> findPostsInTopicByText(String text, Long topicId) {
+        Topic topic = topicRepository.findById(topicId).get();
+        return postRepository.findPostsByTextInTopic(text, topic);
+    }
+
+    @Transactional
+    public Post addPost (String text, Long authorId, Long topicId) {
+        if (!StringUtils.hasText(text)) {
+            throw new IllegalArgumentException("Post data is null or empty");
+        }
+        User author = userRepository.findById(authorId).get();
+        Topic topic = topicRepository.findById(topicId).get();
+        Post post = new Post(text, author, topic);
+        author.addPost(post);
+        topic.addPost(post);
+        userRepository.save(author);
+        topicRepository.save(topic);
+        return postRepository.save(post);
+    }
+
+    @Transactional
+    public Post updatePost(Long id, String text) {
+        if (!StringUtils.hasText(text)) {
+            throw new IllegalArgumentException("Post data is null or empty");
+        }
+        final Post currentPost = findPostById(id);
+        currentPost.setText(text);
+        final User author = currentPost.getAuthor();
+        userRepository.save(author);
+        final Topic topic = currentPost.getTopic();
+        topicRepository.save(topic);
+        return postRepository.save(currentPost);
+    }
+
+    @Transactional
+    public Post deletePost(Long id) {
+        final Post currentPost = findPostById(id);
+        postRepository.delete(currentPost);
+        return currentPost;
+    }
+}

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

@@ -0,0 +1,62 @@
+package com.webproglabs.lab1.services;
+
+import com.webproglabs.lab1.dao.TopicRepository;
+import com.webproglabs.lab1.models.Post;
+import com.webproglabs.lab1.models.Topic;
+import org.springframework.stereotype.Service;
+import org.springframework.util.StringUtils;
+
+import javax.persistence.EntityNotFoundException;
+import javax.transaction.Transactional;
+import java.util.List;
+
+@Service
+public class TopicService {
+    private final TopicRepository topicRepository;
+
+    public TopicService(TopicRepository topicRepository) {
+        this.topicRepository = topicRepository;
+    }
+
+    @Transactional
+    public Topic addTopic(String name, String description) {
+        if (!StringUtils.hasText(name) || !StringUtils.hasText(description)) {
+            throw new IllegalArgumentException("Name is null or empty");
+        }
+        final Topic topic = new Topic(name, description);
+        return topicRepository.save(topic);
+    }
+
+    @Transactional
+    public Topic findTopicById(Long id) {
+        final Topic topic = topicRepository.findById(id).orElse(null);
+        if (topic == null) {
+            throw new EntityNotFoundException(String.format(" topic with id [%s] is not found", id));
+        }
+        return topic;
+    }
+
+    @Transactional
+    public List<Topic> findAllTopics() {
+        return topicRepository.findAll();
+    }
+
+    @Transactional
+    public Topic updateTopic(Long id, String name, String description) {
+        if (!StringUtils.hasText(name) || !StringUtils.hasText(description)) {
+            throw new IllegalArgumentException("Name is null or empty");
+        }
+        final Topic topic = findTopicById(id);
+        topic.setName(name);
+        topic.setDescription(description);
+        return topicRepository.save(topic);
+    }
+
+    @Transactional
+    public Topic deleteTopic(Long id) {
+        final Topic topic = findTopicById(id);
+        topicRepository.delete(topic);
+        return topic;
+    }
+
+}

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

@@ -0,0 +1,102 @@
+package com.webproglabs.lab1.services;
+
+import com.webproglabs.lab1.dao.UserRepository;
+import com.webproglabs.lab1.models.User;
+import com.webproglabs.lab1.models.UserRole;
+import org.springframework.security.core.userdetails.UserDetails;
+import org.springframework.security.core.userdetails.UserDetailsService;
+import org.springframework.security.core.userdetails.UsernameNotFoundException;
+import org.springframework.security.crypto.password.PasswordEncoder;
+import org.springframework.stereotype.Service;
+import org.springframework.util.StringUtils;
+
+import javax.persistence.EntityNotFoundException;
+import javax.transaction.Transactional;
+import java.util.Collections;
+import java.util.List;
+import java.util.Objects;
+import java.util.Optional;
+
+@Service
+public class UserService implements UserDetailsService {
+    private final UserRepository userRepository;
+    private final PasswordEncoder passwordEncoder;
+
+    public UserService(UserRepository userRepository, PasswordEncoder passwordEncoder) {
+        this.userRepository = userRepository;
+        this.passwordEncoder = passwordEncoder;
+    }
+
+    @Transactional
+    public User findUserById(Long id) {
+        final Optional<User> user = userRepository.findById(id);
+        return user.orElseThrow(EntityNotFoundException::new);
+    }
+
+    @Transactional
+    public User findUserByLogin(String login) {
+        final User user = userRepository.findOneByLoginIgnoreCase(login).orElse(null);
+        return user;
+    }
+
+    @Transactional
+    public List<User> findAllUsers() {
+        return userRepository.findAll();
+    }
+
+    @Transactional
+    public User createUser(String login, String password, String passwordConfirm, UserRole role) {
+        if (findUserByLogin(login) != null) {
+            throw new IllegalArgumentException("User " + login + " already exists");
+        }
+        final User user = new User(login, passwordEncoder.encode(password), role);
+        if (!Objects.equals(password, passwordConfirm)) {
+            throw new IllegalArgumentException("Passwords not equals");
+        }
+        return userRepository.save(user);
+    }
+
+    @Transactional
+    public User createUser(String login, String password, String passwordConfirm) {
+        return createUser(login, password, passwordConfirm, UserRole.USER);
+    }
+
+    @Transactional
+    public User updateUser(Long id, String login, String password, String passwordConfirm) {
+        if (!StringUtils.hasText(login) || !StringUtils.hasText(password)) {
+            throw new IllegalArgumentException("User data is null or empty");
+        }
+
+        final User currentUser = findUserById(id);
+
+        if (Objects.equals(password, currentUser.getPassword())) {
+            throw new IllegalArgumentException("New password is the same as old");
+        }
+
+        if (!Objects.equals(password, passwordConfirm)) {
+            throw new IllegalArgumentException("Password mismatch");
+        }
+
+        currentUser.setLogin(login);
+        currentUser.setPassword(passwordEncoder.encode(password));
+        return userRepository.save(currentUser);
+    }
+
+    @Transactional
+    public User deleteUser(Long id) {
+        final User currentUser = findUserById(id);
+        userRepository.delete(currentUser);
+        return currentUser;
+    }
+
+
+    @Override
+    public UserDetails loadUserByUsername(String username) throws UsernameNotFoundException {
+        final User userEntity = findUserByLogin(username);
+        if (userEntity == null) {
+            throw new UsernameNotFoundException(username);
+        }
+        return new org.springframework.security.core.userdetails.User(
+                userEntity.getLogin(), userEntity.getPassword(), Collections.singleton(userEntity.getRole()));
+    }
+}

src/main/resources/templates/commentModal.html

@@ -0,0 +1,32 @@
+
+<!DOCTYPE html>
+<html lang="en"
+      xmlns:layout="http://www.ultraq.net.nz/thymeleaf/layout"
+      layout:decorate="~{feedPosts}" xmlns:th="http://www.w3.org/1999/xhtml">
+<head>
+</head>
+<body>
+<div layout:fragment="modalFeed">
+
+    <div class="modal fade" id="commentCreate" tabindex="-1" role="dialog" aria-labelledby="commentCreateLabel" aria-hidden="true">
+        <div class="modal-dialog" role="document">
+            <div class="modal-content">
+                <div class="modal-header">
+                    <h5 class="modal-title" id="commentCreateLabel">Создать комментарий</h5>
+                </div>
+                <form th:action="@{/feed/comment/{id}/{topicId}/{postId}/{text} (id=${selectedProfile.id}, topicId=${selectedTopic.id}, postId=${selectedPost.id}, text=${commentInputField}) }" method="post" class="modal-body text-center">
+                    <p>Текст комментария:</p>
+                    <input th:value="${commentInputField}"  id="commentInputField" name="commentInputField" type="text"  class="mb-2">
+                    <br>
+                    <button type="button" class="btn btn-secondary" data-bs-dismiss="modal">Закрыть</button>
+                    <button type="submit" class="btn btn-primary" >Сохранить</button>
+                </form>
+            </div>
+        </div>
+    </div>
+
+
+
+</div>
+</body>
+</html>

src/main/resources/templates/default.html

@@ -0,0 +1,49 @@
+
+<!DOCTYPE html>
+<html lang="ru"
+      xmlns:th="http://www.thymeleaf.org"
+      xmlns:layout="http://www.ultraq.net.nz/thymeleaf/layout"
+      xmlns:sec="http://www.thymeleaf.org/thymeleaf-extras-springsecurity5">
+
+<head>
+    <meta charset="UTF-8"/>
+    <title>СоцСеточка</title>
+    <meta name="viewport" content="width=device-width, initial-scale=1"/>
+    <link rel="icon" href="/favicon.svg">
+    <script type="text/javascript" src="/webjars/bootstrap/5.1.3/js/bootstrap.bundle.min.js"></script>
+    <script src="https://code.jquery.com/jquery-3.6.0.min.js" integrity="sha256-/xUj+3OJU5yExlq6GSYGSHk7tPXikynS7ogEvDej/m4=" crossorigin="anonymous"></script>
+
+    <link rel="stylesheet" href="/webjars/bootstrap/5.1.3/css/bootstrap.min.css"/>
+    <link rel="stylesheet" href="/webjars/font-awesome/6.1.0/css/all.min.css"/>
+    <link rel="stylesheet" href="/css/style.css"/>
+</head>
+<body>
+
+<div class="bg-light w-75 rounded-pill text-center pt-4 pb-4 mt-3 mx-auto">
+    <p class='text-center h3'> СоцСеточка</p>
+</div>
+<div>
+    <p class='h4 mt-2 text-center'>
+        <a sec:authorize="hasRole('ROLE_ADMIN')" href="/topic" class="text-decoration-none m-3 text-secondary ">Темы</a>
+        <a sec:authorize="hasRole('ROLE_ADMIN')" href="/users" class="text-decoration-none m-3 text-secondary ">Пользователи</a>
+        <a sec:authorize="isAuthenticated()" href="/feed" class="text-decoration-none m-3 text-secondary ">Лента</a>
+        <a sec:authorize="isAuthenticated()" href="/users/settings" class="text-decoration-none m-3 text-secondary ">Настройки</a>
+        <a sec:authorize="isAuthenticated()" href="/logout" class="text-decoration-none m-3 text-secondary ">
+            Выход
+        </a>
+    </p>
+</div>
+
+<div >
+    <div layout:fragment="content"></div>
+</div>
+</body>
+<script type="text/javascript">
+    window.onload = () => {
+        $('#postEdit').modal('show');
+        $('#commentCreate').modal('show');
+        $('#commentEdit').modal('show');
+    }
+
+</script>
+</html>

src/main/resources/templates/editCommentModal.html

@@ -0,0 +1,30 @@
+<!DOCTYPE html>
+<html lang="en"
+      xmlns:layout="http://www.ultraq.net.nz/thymeleaf/layout"
+      layout:decorate="~{feedPosts}" xmlns:th="http://www.w3.org/1999/xhtml">
+<head>
+</head>
+<body>
+<div layout:fragment="modalFeed">
+
+  <div class="modal fade" id="commentEdit" tabindex="-1" role="dialog" aria-labelledby="commentEditLabel" aria-hidden="true">
+    <div class="modal-dialog" role="document">
+      <div class="modal-content">
+        <div class="modal-header">
+          <h5 class="modal-title" id="commentEditLabel">Редактировать комментарий</h5>
+        </div>
+        <form th:action="@{/feed/editComment/{id}/{commentId}/{text} (id=${selectedTopic.id}, commentId=${selectedComment.id}, text=${commentEditField}) }" method="post" class="modal-body text-center">
+          <p>Новый текст комментария:</p>
+          <input th:attr="value = ${selectedComment.text}" id="commentEditField" name="commentEditField" type="text"  class="mb-2">
+          <br>
+          <button type="button" class="btn btn-secondary" data-bs-dismiss="modal">Закрыть</button>
+          <button type="submit" class="btn btn-primary" >Изменить</button>
+        </form>
+      </div>
+    </div>
+  </div>
+
+
+</div>
+</body>
+</html>

src/main/resources/templates/editPostModal.html

@@ -0,0 +1,32 @@
+<!DOCTYPE html>
+<html lang="en"
+      xmlns:layout="http://www.ultraq.net.nz/thymeleaf/layout"
+      layout:decorate="~{feedPosts}" xmlns:th="http://www.w3.org/1999/xhtml">
+<head>
+</head>
+<body>
+
+<div layout:fragment="modalFeed">
+
+    <div class="modal fade" id="postEdit" tabindex="-1" role="dialog" aria-labelledby="postEditLabel" aria-hidden="true">
+        <div class="modal-dialog" role="document">
+            <div class="modal-content">
+                <div class="modal-header">
+                    <h5 class="modal-title" id="postEditLabel">Редактировать пост</h5>
+                </div>
+                <form th:action="@{/feed/editPost/{id}/{topicId}/{text} (id=${selectedPost.id}, topicId=${selectedTopic.id}, text=${postEditField} ) }" method="post" class="modal-body text-center">
+                    <p>Текст поста:</p>
+                    <input th:attr="value = ${selectedPost.text}"  id="postEditField" name="postEditField" type="text"  class="mb-2">
+                    <br>
+                    <button type="button" class="btn btn-secondary" data-bs-dismiss="modal">Закрыть</button>
+                    <button type="submit" class="btn btn-primary" >Сохранить</button>
+                </form>
+            </div>
+        </div>
+    </div>
+
+</div>
+
+</body>
+
+</html>

src/main/resources/templates/error.html

@@ -0,0 +1,13 @@
+<!DOCTYPE html>
+<html lang="en"
+      xmlns:layout="http://www.ultraq.net.nz/thymeleaf/layout"
+      layout:decorate="~{default}">
+<body>
+<div class="container" layout:fragment="content">
+  <div class="alert alert-danger">
+    <span th:text="${error}"></span>
+  </div>
+  <a href="/">На главную</a>
+</div>
+</body>
+</html>

src/main/resources/templates/feed.html

@@ -0,0 +1,32 @@
+
+<!DOCTYPE html>
+<html lang="en"
+      xmlns:layout="http://www.ultraq.net.nz/thymeleaf/layout"
+      layout:decorate="~{default}">
+<head>
+</head>
+<body>
+<div layout:fragment="content">
+  <div class="text-center">
+                <div class="dropdown text-center mx-auto w-75">
+                    <div class="text-center mt-3">
+                        <button class="btn btn-secondary dropdown-toggle mb-3  w-100" type="button" data-bs-toggle="dropdown" aria-expanded="false">
+                            Выбор темы
+                        </button>
+                        <ul class="dropdown-menu w-100" >
+                            <li th:each="topic: ${topics}">
+                                <a class="dropdown-item" th:href="@{/feed/{id}(id=${topic.id})}" th:text="${topic.name + '. ' + topic.description}">
+                                </a>
+                            </li>
+                        </ul>
+                    </div>
+                </div>
+    <div layout:fragment="contentFeed"></div>
+
+
+  </div>
+</div>
+</body>
+
+
+</html>

src/main/resources/templates/feedPosts.html

@@ -0,0 +1,110 @@
+<!DOCTYPE html>
+<html lang="en"
+      xmlns:layout="http://www.ultraq.net.nz/thymeleaf/layout"
+      layout:decorate="~{feed}" xmlns:th="http://www.w3.org/1999/xhtml">
+<head>
+</head>
+<body>
+<div layout:fragment="contentFeed">
+
+  <div class='mb-3 mx-auto w-75'>
+    <div class="text-center w-100 border border-2 bg-light">
+      <p class="text-center h3" th:text="${selectedTopic.name}"></p>
+      <p class="text-center fw-light" th:text="${selectedTopic.description}"></p>
+    </div>
+    <p class="text-end h3 " th:text="${selectedProfile.login}"></p>
+  </div>
+  <div class='h3 m-3 d-flex justify-content-between text-center mx-auto w-75'>
+
+    Лента
+    <button type='button' class="btn btn-primary ms-5 mb-3 " data-bs-toggle="modal" data-bs-target="#postCreate">
+      Добавить новый пост
+    </button>
+  </div>
+
+  <form th:action="@{/feed/filter/{id}/{text} (id=${selectedTopic.id}, text=${searchField}) }" method="get">
+    <input th:value="${searchField}"  id="searchField" name="searchField" type="text" class="mb-2"  style="width: 70%" placeholder="Поиск...">
+    <button type='submit' class="btn btn-primary mb-2" style="width: 5%">
+      Найти
+    </button>
+  </form>
+
+
+  <div th:each="post: ${posts}" class="text-center mx-auto w-75 mb-3 ">
+    <div class="border p-2">
+      <p th:text="${post.text}" class="h4 text-start"></p>
+      <div class="d-flex justify-content-between fst-italic">
+        <div>
+          Автор:
+          <a th:text="${post.getAuthor()}" class="text-start fst-italic" th:href="@{/users/{login}(login=${post.getAuthor()})}"></a>
+        </div>
+        <div th:if="${selectedProfile.getLogin() == post.getAuthor()}" class="d-flex justify-content-between fst-italic">
+          <form th:action="@{/feed/deletePost/{id}/{topicId} (id=${post.id}, topicId=${selectedTopic.id})}" method="post" >
+            <button type="submit" class="btn btn-danger me-1 mb-1 ms-2" >
+              <i class="fa fa-trash" aria-hidden="true"></i>
+            </button>
+          </form>
+          <form th:action="@{/feed/postModal/{id}/{topicId} (id=${post.id}, topicId=${selectedTopic.id})}" method="get">
+            <button type="submit" class="btn btn-warning mb-1" data-bs-toggle="modal" data-bs-target="#postEdit" >
+              <i class="fa fa-pencil" aria-hidden="true"></i>
+            </button>
+          </form>
+        </div>
+      </div>
+    </div>
+
+    <div class="border p-2" th:if="${post.comments.size() > 0}" >
+      <div class="text-start">
+        <p class="text-start h5">Комментарии:</p>
+        <div th:each="comment: ${post.comments}" >
+          <p class="fst-italic" th:text="${comment.getAuthor() + ':'}"> </p>
+          <div class="d-flex justify-content-between fst-italic">
+            <p class="ms-3" th:text="${comment.text}"></p>
+
+            <div th:if="${selectedProfile.getLogin() == comment.getAuthor()}" class="d-flex justify-content-between fst-italic">
+              <form th:action="@{/feed/deleteComment/{id}/{topicId} (id=${comment.id}, topicId=${selectedTopic.id})}" method="post" >
+                <button type="submit" class="btn btn-danger me-1 mb-1"> <i class="fa fa-trash" aria-hidden="true"> </i> </button>
+              </form>
+              <form th:action="@{/feed/commentEditModal/{id}/{topicId} (id=${comment.id}, topicId=${selectedTopic.id})}" method="get">
+                <button type="submit" class="btn btn-warning mb-1" data-bs-toggle="modal" data-bs-target="#postEdit" >
+                  <i class="fa fa-pencil" aria-hidden="true"></i>
+                </button>
+              </form>
+            </div>
+
+          </div>
+        </div>
+      </div>
+    </div>
+    <form th:action="@{/feed/commentModal/{topicId}/{postId}/ ( topicId=${selectedTopic.id}, postId=${post.id} ) }" method="get" class="text-end">
+      <button type="submit" class="btn btn-info mb-3" data-bs-toggle="modal" data-bs-target="#commentCreate">Добавить комментарий</button>
+    </form>
+
+  </div>
+
+  <div class="modal fade" id="postCreate" tabindex="-1" role="dialog" aria-labelledby="postCreateLabel" aria-hidden="true">
+    <div class="modal-dialog" role="document">
+      <div class="modal-content">
+        <div class="modal-header">
+          <h5 class="modal-title" id="postCreateLabel">Создать пост</h5>
+        </div>
+        <form th:action="@{/feed/{topicId}/post/{id}/{text} (topicId=${selectedTopic.id}, id=${selectedProfile.id}, text=${postInputField}) }" method="post" class="modal-body text-center">
+          <p>Текст поста:</p>
+          <input th:value="${postInputField}"  id="postInputField" name="postInputField" type="text"  class="mb-2">
+          <br>
+          <button type="button" class="btn btn-secondary" data-bs-dismiss="modal">Закрыть</button>
+          <button type="submit" class="btn btn-primary" >Сохранить</button>
+        </form>
+      </div>
+    </div>
+  </div>
+
+
+
+  <div layout:fragment="modalFeed"></div>
+
+
+</div>
+</body>
+
+</html>

src/main/resources/templates/login.html

@@ -0,0 +1,31 @@
+
+<!DOCTYPE html>
+<html lang="en"
+      xmlns:layout="http://www.ultraq.net.nz/thymeleaf/layout"
+      layout:decorate="~{default}">
+<body>
+<div class="container" layout:fragment="content">
+  <div th:if="${param.error}" class="alert alert-danger margin-bottom">
+    Пользователь не найден или пароль указан не верно
+  </div>
+  <div th:if="${param.logout}" class="alert alert-success margin-bottom">
+    Выход успешно произведен
+  </div>
+  <div th:if="${param.created}" class="alert alert-success margin-bottom">
+    Пользователь '<span th:text="${param.created}"></span>' успешно создан
+  </div>
+  <form th:action="@{/login}" method="post" class="container-padding">
+    <div class="mb-3">
+      <input type="text" name="username" id="username" class="form-control"
+             placeholder="Логин" required="true" autofocus="true"/>
+    </div>
+    <div class="mb-3">
+      <input type="password" name="password" id="password" class="form-control"
+             placeholder="Пароль" required="true"/>
+    </div>
+    <button type="submit" class="btn btn-success button-fixed">Войти</button>
+    <a class="btn btn-primary button-fixed" href="/signup">Регистрация</a>
+  </form>
+</div>
+</body>
+</html>

src/main/resources/templates/signup.html

@@ -0,0 +1,28 @@
+<!DOCTYPE html>
+<html lang="en"
+      xmlns:layout="http://www.ultraq.net.nz/thymeleaf/layout"
+      layout:decorate="~{default}">
+<body>
+<div class="container container-padding" layout:fragment="content">
+  <div th:if="${errors}" th:text="${errors}" class="margin-bottom alert alert-danger"></div>
+  <form action="#" th:action="@{/signup}" th:object="${userDto}" method="post">
+    <div class="mb-3">
+      <input type="text" class="form-control" th:field="${userDto.login}"
+             placeholder="Логин" required="true" autofocus="true" maxlength="64"/>
+    </div>
+    <div class="mb-3">
+      <input type="password" class="form-control" th:field="${userDto.password}"
+             placeholder="Пароль" required="true" minlength="4" maxlength="64"/>
+    </div>
+    <div class="mb-3">
+      <input type="password" class="form-control" th:field="${userDto.passwordConfirm}"
+             placeholder="Пароль (подтверждение)" required="true" minlength="4" maxlength="64"/>
+    </div>
+    <div class="mb-3">
+      <button type="submit" class="btn btn-success button-fixed">Создать</button>
+      <a class="btn btn-primary button-fixed" href="/login">Назад</a>
+    </div>
+  </form>
+</div>
+</body>
+</html>

src/main/resources/templates/topicEdit.html

@@ -0,0 +1,19 @@
+<!DOCTYPE html>
+<html lang="en"
+      xmlns:layout="http://www.ultraq.net.nz/thymeleaf/layout"
+      layout:decorate="~{default}"
+      xmlns:th="http://www.w3.org/1999/xhtml">
+<body>
+<div class="container container-padding" layout:fragment="content">
+  <div class="h4 text-center">Изменить топик</div>
+  <form action="#" th:action="@{/topic/edit/{id} (id=${topic.id})}" th:object="${topicDto}" method="post">
+    <p>Новое название:</p>
+    <input th:field="${topicDto.name}" type="text" class="mb-2 form-control" required="true" />
+    <p>Новое описание:</p>
+    <input th:field="${topicDto.description}" type="text" class="mb-2 form-control" required="true" />
+    <button type="submit" class="btn btn-success" >Сохранить изменения</button>
+  </form>
+</div>
+
+</body>
+</html>

src/main/resources/templates/topics.html

@@ -0,0 +1,32 @@
+<!DOCTYPE html>
+<html lang="en"
+      xmlns:layout="http://www.ultraq.net.nz/thymeleaf/layout"
+      layout:decorate="~{default}">
+<body>
+<div class="container container-padding" layout:fragment="content">
+
+  <form action="#" th:action="@{/topic/create}" th:object="${topicDto}" method="post">
+    <p>Название:</p>
+    <input th:field="${topicDto.name}" type="text" class="mb-2 form-control" required="true" />
+    <p>Описание:</p>
+    <input th:field="${topicDto.description}" type="text" class="mb-2 form-control" required="true" />
+    <button type="submit" class="btn btn-success">Добавить</button>
+  </form>
+
+  <div th:each="topic: ${topics}" class="border p-3 m-3 shadow-lg bg-body rounded">
+    <div th:text="${'Топик: ' + topic.name}"></div>
+    <div th:text="${'Описание: ' + topic.description}"></div>
+    <form action="#" th:action="@{/topic/edit/{id} (id=${topic.id})}" method="get" class="text-end m-1">
+      <button type="submit" class="btn btn-warning">Изменить</button>
+    </form>
+    <form action="#" th:action="@{/topic/delete/{id} (id=${topic.id})}" method="post" class="text-end m-1">
+      <button type="submit" class="btn btn-danger" >Удалить</button>
+    </form>
+  </div>
+
+
+
+
+</div>
+</body>
+</html>

src/main/resources/templates/userEditPage.html

@@ -0,0 +1,31 @@
+<!DOCTYPE html>
+<html lang="en"
+      xmlns:layout="http://www.ultraq.net.nz/thymeleaf/layout"
+      layout:decorate="~{default}">
+<head>
+</head>
+<body>
+<div layout:fragment="content">
+
+  <div class="text-center">
+    <div th:if="${errors}" th:text="${errors}" class="margin-bottom alert alert-danger"></div>
+    <div th:if="${success}" th:text="${success}" class="margin-bottom text-success"></div>
+    <div class="text-start mx-auto w-50 border p-5">
+      <p class='h5'>Изменение данных пользователя</p>
+      <p th:text="${'Логин: ' + user.login}"></p>
+
+      <form action="#" th:action="@{/users/edit/{id} (id=${user.id})}" th:object="${userDto}" method="post">
+        <p>Новый логин:</p>
+        <input th:field="${userDto.login}" type="text" class="mb-2 form-control" required="true" autofocus="true" maxlength="64"/>
+        <p>Новый пароль:</p>
+        <input th:field="${userDto.password}" type="password" class="mb-2 form-control" required="true" minlength="4" maxlength="64"/>
+        <p>Повторите пароль:</p>
+        <input th:field="${userDto.passwordConfirm}" type="password" class="mb-2 form-control" required="true" minlength="4" maxlength="64"/>
+        <button type="submit" class="btn btn-success" >Сохранить изменения</button>
+      </form>
+    </div>
+  </div>
+
+</div>
+</body>
+</html>

src/main/resources/templates/userPage.html

@@ -0,0 +1,29 @@
+<!DOCTYPE html>
+<html lang="en"
+      xmlns:layout="http://www.ultraq.net.nz/thymeleaf/layout"
+      layout:decorate="~{default}">
+<head>
+</head>
+<body>
+<div layout:fragment="content">
+
+  <div class="text-center">
+    <div class="text-start mx-auto w-50 border p-5">
+      <p class='h5'>Профиль</p>
+      <p th:text="${'Логин: ' + user.login}"></p>
+      <p class='h6 '>Список постов пользователя:  </p>
+
+      <div th:if="${user.posts.size()>0}">
+        <div th:each="post: ${user.posts}">
+          <p th:text="${post.text}" class="mb-3 ms-2 border p-2"></p>
+        </div>
+      </div>
+      <p th:unless="${user.posts.size()>0}">
+        Нет постов
+      </p>
+    </div>
+  </div>
+
+</div>
+</body>
+</html>

src/main/resources/templates/users.html

@@ -0,0 +1,36 @@
+<!DOCTYPE html>
+<html lang="en"
+      xmlns:layout="http://www.ultraq.net.nz/thymeleaf/layout"
+      layout:decorate="~{default}" xmlns:th="http://www.w3.org/1999/xhtml">
+<head>
+</head>
+<body>
+<div layout:fragment="content" class="text-center">
+
+    <div th:each="profile: ${profiles}" class="mb-2">
+        <div class="text-center">
+            <div class="text-start mx-auto w-50 border shadow p-3">
+                <p class='h5'>Профиль</p>
+                <p th:text="${'Логин: ' + profile.login}"></p>
+                <p class='h6 '>Список постов пользователя:  </p>
+
+                <div th:if="${profile.posts.size()>0}">
+                    <div th:each="post: ${profile.posts}">
+                        <p th:text="${post.text}" class="mb-3 ms-2 border p-2"></p>
+                    </div>
+                </div>
+                <p th:unless="${profile.posts.size()>0}">
+                    Нет постов
+                </p>
+                <div class="text-end" th:if="${profile.login!='admin'}">
+                    <form action="#" th:action="@{/users/{id} (id=${profile.id})}" method="post" >
+                        <button type="submit" class="btn btn-danger">Удалить</button>
+                    </form>
+                </div>
+            </div>
+        </div>
+    </div>
+
+</div>
+</body>
+</html>