сдано

src/main/java/com/example/demo/author/repository/AuthorRepository.java

@@ -1,6 +1,16 @@
 package com.example.demo.author.repository;
 
 import com.example.demo.author.model.Author;
+import com.example.demo.film.model.Film;
 import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.data.jpa.repository.Query;
+
+import java.util.List;
+
 public interface AuthorRepository extends JpaRepository<Author, Long> {
+    @Query("SELECT a.films FROM Author a WHERE a.id = :id")
+    List<Film> getFilmFromAuthor(Long id );
+
+    @Query("SELECT COUNT(g) FROM Author a join a.films f JOIN f.genres g WHERE a.id = :id")
+    Long getCountGenreOfFilmFromAuthor(Long id);
 }

src/main/java/com/example/demo/author/service/AuthorService.java

@@ -2,12 +2,15 @@ package com.example.demo.author.service;
 
 import com.example.demo.author.model.Author;
 import com.example.demo.author.repository.AuthorRepository;
+import com.example.demo.film.model.Film;
+import com.example.demo.genre.model.Genre;
 import com.example.demo.util.validation.ValidatorUtil;
 import jakarta.persistence.EntityManager;
 import jakarta.persistence.PersistenceContext;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
 
+import java.util.ArrayList;
 import java.util.List;
 import java.util.Optional;
 
@@ -57,6 +60,14 @@ public class AuthorService {
         return currentAuthor;
     }
 
+    public Long getCountGenreOfFilmFromAuthor(Long id) {
+        return authorRepository.getCountGenreOfFilmFromAuthor(id);
+
+    }
+    public List<Film> getFilmsFromAuthor(Long id){
+        return authorRepository.getFilmFromAuthor(id);
+
+    }
 
     @Transactional
     public void deleteAllAuthors() {

src/main/java/com/example/demo/film/controller/FilmMvcController.java

@@ -31,6 +31,9 @@ public class FilmMvcController {
     public String requestURI(final HttpServletRequest request) {
         return request.getRequestURI();
     }
+
+
+
     @GetMapping
     public String getFilms(@RequestParam(value = "authorId", required = false) Long authorId,
                              @RequestParam(value = "genreId",required = false) Long genreId,
@@ -66,10 +69,7 @@ public class FilmMvcController {
             model.addAttribute("errors", bindingResult.getAllErrors());
             return "film-edit";
         }
-        List<Genre> genres = new ArrayList<>();
+        List<Genre> genres = genreService.findGenresByListId(film.getGenresId());
-        for (Long obj: film.getGenresId()) {
-            genres.add(genreService.findGenre(obj));
-        }
         if (id == null || id <= 0) {
             filmService.addFilm(film.getName(), film.getDescription(), authorService.findAuthor(film.getAuthorId()),genres);
         }

src/main/java/com/example/demo/film/model/Film.java

@@ -50,6 +50,12 @@ public class Film {
     public List<Genre> getGenres() {
         return genres;
     }
+    public String getNameGenres() {
+        StringBuilder result = new StringBuilder();
+        for(Genre g : genres)
+            result.append(g.getName()).append(", ");
+        return result.toString();
+    }
 
     public void addGenre(Genre genre) {
         if (genres == null){

src/main/java/com/example/demo/genre/service/GenreService.java

@@ -7,6 +7,7 @@ import com.example.demo.util.validation.ValidatorUtil;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
 
+import java.util.ArrayList;
 import java.util.List;
 import java.util.Optional;
 
@@ -32,6 +33,14 @@ public class GenreService {
         return genre.orElseThrow(() -> new GenreNotFoundException(id));
     }
 
+    @Transactional
+    public List<Genre> findGenresByListId(List<Long> ll){
+        List<Genre> genres = new ArrayList<>();
+        for (Long l: ll){
+             genreRepository.findById(l).ifPresent(genres::add);
+        }
+        return genres;
+    }
     @Transactional(readOnly = true)
     public List<Genre> findAllGenres() {
         return genreRepository.findAll();

src/main/java/com/example/demo/util/StaticPagesMvcController.java

@@ -1,10 +1,19 @@
 package com.example.demo.util;
 
+import com.example.demo.author.controller.AuthorDto;
+import com.example.demo.author.service.AuthorService;
 import org.springframework.stereotype.Controller;
+import org.springframework.ui.Model;
+import org.springframework.web.bind.annotation.ModelAttribute;
+import org.springframework.web.bind.annotation.PathVariable;
 import org.springframework.web.bind.annotation.RequestMapping;
 
 @Controller
 public class StaticPagesMvcController {
+    private final AuthorService authorService;
+    public StaticPagesMvcController(AuthorService authorService) {
+        this.authorService = authorService;
+    }
     @RequestMapping("/")
     public String indexPage(){
         return "index";
@@ -17,4 +26,20 @@ public class StaticPagesMvcController {
     public String loginPage(){
         return "login";
     }
+//    @RequestMapping("/request")
+//    public String requestPage(){
+//        return "request";
+//    }
+    @RequestMapping(value = {"/request", "/request/{id}"})
+    public String editProduct(@PathVariable(required = false) Long id,
+                              @ModelAttribute AuthorDto componentDTO,
+                              Model model) {
+        if (componentDTO != null && componentDTO.getId() != 0){
+            model.addAttribute("count", authorService.getCountGenreOfFilmFromAuthor(componentDTO.getId()));
+            model.addAttribute("filmList", authorService.getFilmsFromAuthor(componentDTO.getId()));
+        }
+        model.addAttribute("componentDto", new AuthorDto());
+        model.addAttribute("components", authorService.findAllAuthors());
+        return "request";
+    }
 }

src/main/resources/templates/default.html

@@ -59,6 +59,9 @@
                   <li class="nav-item">
                     <a class="nav-link" href="/forum">Форум</a>
                   </li>
+                  <li class="nav-item">
+                    <a class="nav-link" href="/request">Запрос</a>
+                  </li>
                 </ul>
               </div>
               <form class="w-100">

src/main/resources/templates/request.html

@@ -0,0 +1,70 @@
+<!DOCTYPE html>
+<html lang="en"
+      xmlns:layout="http://www.ultraq.net.nz/thymeleaf/layout"
+      xmlns:th="http://www.thymeleaf.org"
+      layout:decorate="~{default}">
+<head>
+</head>
+<body>
+<div layout:fragment="content">
+    <div class="flex-shrink-0" style="background-color: RGB(255, 255, 255)">
+<div>
+    <form
+            action="#"
+            th:action="@{/request}"
+            th:object="${componentDto}"
+            method="post"
+    >
+        <div class="mb-3">
+            <label for="lang" class="form-label">Автор</label>
+            <select id="lang" class="form-select" th:field="${componentDto.id}">
+                <option
+                        th:each="value: ${components}"
+                        th:value="${value.getId()}"
+                        th:selected="true"
+                        th:text="${value.getSurname()}"
+                ></option>
+            </select>
+        </div>
+        <div>
+            <div>
+                <button class="btn btn-success button-fixed" type="submit">
+                    получить
+                </button>
+            </div>
+        </div>
+        <table class="table">
+            <thead>
+            <tr>
+                <th scope="col">#</th>
+                <th scope="col">ID</th>
+                <th scope="col">Название</th>
+                <th scope="col">Жанры</th>
+            </tr>
+            </thead>
+            <tbody>
+            <tr th:each="film, iterator: ${filmList}">
+                <th scope="row" th:text="${iterator.index} + 1"></th>
+                <td th:text="${film.id}"></td>
+                <td th:text="${film.name}" style="width: 60%"></td>
+                <td th:text="${film.getNameGenres()}" style="width: 60%"></td>
+                <td style="width: 10%">
+                </td>
+            </tr>
+            <tr>
+                <th scope="col"></th>
+                <th scope="col"></th>
+                <th scope="col" style="text-align: end">Итого: </th>
+                <th th:if="${count != null}" th:text="${count}"></th>
+            </tr>
+            </tbody>
+        </table>
+
+    </form>
+    <br/>
+</div>
+
+    </div>
+</div>
+</body>
+</html>