2025-05 spring-16-view

2026-05-30 10:50:42 +00:00 · 2025-07-29 20:54:23 +04:00
parent d9775b2537
commit 9e97a7c2d7
86 changed files with 2312 additions and 0 deletions
@@ -0,0 +1,24 @@
+target/
+
+### STS ###
+.apt_generated
+.classpath
+.factorypath
+.project
+.settings
+.springBeans
+.sts4-cache
+
+### IntelliJ IDEA ###
+.idea
+*.iws
+*.iml
+*.ipr
+
+### NetBeans ###
+/nbproject/private/
+/build/
+/nbbuild/
+/dist/
+/nbdist/
+/.nb-gradle/
@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+
+    <groupId>ru.otus</groupId>
+    <artifactId>spring-mvc-view</artifactId>
+    <version>1.0</version>
+
+    <packaging>pom</packaging>
+
+    <modules>
+        <module>spring-mvc-view-exercise</module>
+        <module>spring-mvc-view-demo</module>
+        <module>spring-mvc-view-solution1</module>
+        <module>spring-mvc-view-solution2</module>
+        <module>spring-mvc-view-solution3</module>
+        <module>spring-mvc-view-solution4</module>
+    </modules>
+</project>
@@ -0,0 +1,24 @@
+target/
+
+### STS ###
+.apt_generated
+.classpath
+.factorypath
+.project
+.settings
+.springBeans
+.sts4-cache
+
+### IntelliJ IDEA ###
+.idea
+*.iws
+*.iml
+*.ipr
+
+### NetBeans ###
+/nbproject/private/
+/build/
+/nbbuild/
+/dist/
+/nbdist/
+/.nb-gradle/
@@ -0,0 +1,86 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+
+    <groupId>ru.otus</groupId>
+    <artifactId>spring-mvc-view-demo</artifactId>
+    <version>1.0</version>
+
+    <parent>
+        <groupId>org.springframework.boot</groupId>
+        <artifactId>spring-boot-starter-parent</artifactId>
+        <version>3.5.3</version>
+        <relativePath/>
+    </parent>
+
+    <properties>
+        <maven.compiler.source>17</maven.compiler.source>
+        <maven.compiler.target>17</maven.compiler.target>
+        <h2.version>2.2.220</h2.version>
+        <snakeyaml.version>2.0</snakeyaml.version>
+        <!--<hibernate.validator.version>7.0.2.Final</hibernate.validator.version>-->
+    </properties>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-web</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-thymeleaf</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>org.yaml</groupId>
+            <artifactId>snakeyaml</artifactId>
+            <version>${snakeyaml.version}</version>
+        </dependency>
+
+        <dependency>
+            <groupId>com.h2database</groupId>
+            <artifactId>h2</artifactId>
+            <scope>runtime</scope>
+            <version>${h2.version}</version>
+        </dependency>
+
+        <dependency>
+            <groupId>org.projectlombok</groupId>
+            <artifactId>lombok</artifactId>
+            <version>1.18.36</version>
+            <scope>provided</scope>
+        </dependency>
+
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-data-jpa</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-validation</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-test</artifactId>
+        </dependency>
+    </dependencies>
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.springframework.boot</groupId>
+                <artifactId>spring-boot-maven-plugin</artifactId>
+            </plugin>
+        </plugins>
+    </build>
+</project>
@@ -0,0 +1,14 @@
+package ru.otus.spring;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+public class Main {
+
+    public static void main(String[] args) {
+        SpringApplication.run(Main.class);
+        System.out.printf("Чтобы перейти на страницу сайта открывай: %n%s%n",
+                "http://localhost:8080");
+    }
+}
@@ -0,0 +1,34 @@
+package ru.otus.spring.config;
+
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.web.servlet.LocaleResolver;
+import org.springframework.web.servlet.config.annotation.InterceptorRegistry;
+import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
+import org.springframework.web.servlet.i18n.CookieLocaleResolver;
+import org.springframework.web.servlet.i18n.LocaleChangeInterceptor;
+
+import java.util.Locale;
+
+@Configuration
+public class LocalizationConfig implements WebMvcConfigurer {
+
+    @Bean(name = "localeResolver")
+    public LocaleResolver localeResolver() {
+        var resolver = new CookieLocaleResolver("locale");
+        resolver.setDefaultLocale(new Locale("en"));
+        return resolver;
+    }
+
+    @Bean
+    public LocaleChangeInterceptor localeChangeInterceptor() {
+        var localeChangeInterceptor = new LocaleChangeInterceptor();
+        localeChangeInterceptor.setParamName("lang");
+        return localeChangeInterceptor;
+    }
+
+    @Override
+    public void addInterceptors(InterceptorRegistry registry) {
+        registry.addInterceptor(localeChangeInterceptor());
+    }
+}
@@ -0,0 +1,23 @@
+package ru.otus.spring.controller;
+
+import lombok.RequiredArgsConstructor;
+import org.springframework.context.MessageSource;
+import org.springframework.context.i18n.LocaleContextHolder;
+import org.springframework.web.bind.annotation.ControllerAdvice;
+import org.springframework.web.bind.annotation.ExceptionHandler;
+import org.springframework.web.servlet.ModelAndView;
+
+@RequiredArgsConstructor
+@ControllerAdvice
+public class GlobalExceptionHandler {
+
+    private final MessageSource messageSource;
+
+    @ExceptionHandler(NotFoundException.class)
+    public ModelAndView handeNotFoundException(NotFoundException ex) {
+        String errorText = messageSource.getMessage("person-not-found-error", null,
+                LocaleContextHolder.getLocale());
+        return new ModelAndView("customError", "errorText", errorText);
+    }
+
+}
@@ -0,0 +1,8 @@
+package ru.otus.spring.controller;
+
+public class NotFoundException extends RuntimeException{
+
+    NotFoundException() {
+        super("Person not found");
+    }
+}
@@ -0,0 +1,56 @@
+package ru.otus.spring.controller;
+
+import jakarta.validation.Valid;
+import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
+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.RequestParam;
+import ru.otus.spring.dto.PersonDto;
+import ru.otus.spring.repostory.PersonRepository;
+
+import java.util.List;
+
+@Slf4j
+@Controller
+@RequiredArgsConstructor
+public class PersonController {
+
+    private final PersonRepository repository;
+
+    @GetMapping("/")
+    public String listPage(Model model) {
+        List<PersonDto> persons = repository.findAll().stream()
+                .map(PersonDto::fromDomainObject).toList();
+        model.addAttribute("persons", persons);
+        return "list";
+    }
+
+    @GetMapping("/edit")
+    public String editPage(@RequestParam("id") long id, Model model) {
+        PersonDto person = repository.findById(id)
+                .map(PersonDto::fromDomainObject)
+                .orElseThrow(NotFoundException::new);
+        model.addAttribute("person", person);
+        return "edit";
+    }
+
+    @PostMapping("/edit")
+    public String savePerson(@Valid @ModelAttribute("person") PersonDto person,
+                             BindingResult bindingResult,
+                             @RequestParam(value = "hobby", defaultValue = "") List<String> hobby) {
+        if (bindingResult.hasErrors()) {
+            return "edit";
+        }
+
+        log.debug("Hobby from plain RequestParam: {}", String.join(", ", hobby));
+        log.debug("Hobby from DTO: {}", person.hobbyAsString());
+
+        repository.save(person.toDomainObject());
+        return "redirect:/";
+    }
+}
@@ -0,0 +1,29 @@
+package ru.otus.spring.domain;
+
+import jakarta.persistence.ElementCollection;
+import jakarta.persistence.FetchType;
+import lombok.AllArgsConstructor;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+import jakarta.persistence.Entity;
+import jakarta.persistence.GeneratedValue;
+import jakarta.persistence.GenerationType;
+import jakarta.persistence.Id;
+
+import java.util.List;
+
+@Data
+@AllArgsConstructor
+@NoArgsConstructor
+@Entity
+public class Person {
+
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private long id;
+    private String name;
+
+    @ElementCollection(fetch = FetchType.EAGER)
+    private List<String> hobby;
+}
@@ -0,0 +1,38 @@
+package ru.otus.spring.dto;
+
+import jakarta.validation.constraints.NotBlank;
+import jakarta.validation.constraints.Size;
+import lombok.AllArgsConstructor;
+import lombok.Data;
+import ru.otus.spring.domain.Person;
+
+import java.util.List;
+
+import static org.springframework.util.CollectionUtils.isEmpty;
+
+@Data
+@AllArgsConstructor
+public class PersonDto {
+
+    private long id;
+
+    @NotBlank(message = "{name-field-should-not-be-blank}")
+    @Size(min = 2, max = 10, message = "{name-field-should-has-expected-size}")
+    private String name;
+    private List<String> hobby;
+
+    public String hobbyAsString() {
+        if (isEmpty(hobby)){
+            return "";
+        }
+        return String.join(", ", hobby);
+    }
+
+    public Person toDomainObject(){
+        return new Person(id, name, hobby);
+    }
+
+    public static PersonDto fromDomainObject(Person person) {
+        return new PersonDto(person.getId(), person.getName(), person.getHobby());
+    }
+}
@@ -0,0 +1,11 @@
+package ru.otus.spring.repostory;
+
+import org.springframework.data.repository.CrudRepository;
+import ru.otus.spring.domain.Person;
+
+import java.util.List;
+
+public interface PersonRepository extends CrudRepository<Person, Long> {
+
+    List<Person> findAll();
+}
@@ -0,0 +1,23 @@
+spring:
+  messages:
+    encoding: UTF-8
+
+  datasource:
+    url: jdbc:h2:mem:testdb
+  sql:
+    init:
+      mode: always
+
+
+  jpa:
+    open-in-view: false
+    generate-ddl: false
+    hibernate:
+      ddl-auto: none
+
+    show-sql: true
+
+logging:
+  level:
+    ROOT: ERROR
+    ru.otus.spring.controller: DEBUG
@@ -0,0 +1,10 @@
+insert into person (id, name) values (1, 'Pushkin');
+insert into person (id, name) values (2, 'Lermontov');
+
+insert into person_hobby (person_id, hobby)
+values
+    (1, 'Fishing'),
+    (1, 'Poetry'),
+    (2, 'Traveling'),
+    (2, 'Poetry')
+;
@@ -0,0 +1,16 @@
+lang-switcher-header=Select language
+en-lang-switch-button-caption=Language - EN
+ru-lang-switch-button-caption=Language - RU
+persons-table-header=Persons:
+persons-table-column-action=Action
+person-field-id=ID
+person-field-name=Name
+person-field-hobby=Hobby
+edit-button-caption=Edit
+person-form-header=Person Info:
+save-button-caption=Save
+cancel-button-caption=Cancel
+name-field-should-not-be-blank=Name field should not be blank
+name-field-should-has-expected-size=Name field should be between 2 and 10 characters
+error-text-header=Error
+person-not-found-error=Person not found
@@ -0,0 +1,16 @@
+lang-switcher-header=Select language
+en-lang-switch-button-caption=Language - EN
+ru-lang-switch-button-caption=Language - RU
+persons-table-header=Persons:
+persons-table-column-action=Action
+person-field-column-id=ID
+person-field-name=Name
+person-field-hobby=Hobby
+edit-button-caption=Edit
+person-form-header=Person Info:
+save-button-caption=Save
+cancel-button-caption=Cancel
+name-field-should-not-be-blank=Name field should not be blank
+name-field-should-has-expected-size=Name field should be between 2 and 10 characters
+error-text-header=Error
+person-not-found-error=Person not found
@@ -0,0 +1,16 @@
+lang-switcher-header=\u0412\u044B\u0431\u043E\u0440 \u044F\u0437\u044B\u043A\u0430
+en-lang-switch-button-caption=\u042F\u0437\u044B\u043A - EN
+ru-lang-switch-button-caption=\u042F\u0437\u044B\u043A - RU
+persons-table-header=\u041F\u0451\u0440\u0441\u043E\u043D\u044B:
+persons-table-column-action=\u0414\u0435\u0439\u0441\u0442\u0432\u0438\u0435
+person-field-id=\u0410\u0439\u0414\u0438
+person-field-name=\u0418\u043C\u044F
+person-field-hobby=\u0425\u043E\u0431\u0431\u0438
+edit-button-caption=\u0418\u0437\u043C\u0435\u043D\u0438\u0442\u044C
+person-form-header=\u0418\u043D\u0444\u043E\u0440\u043C\u0430\u0446\u0438\u044F \u043E \u043F\u0451\u0440\u0441\u043E\u043D\u0435:
+save-button-caption=\u0421\u043E\u0445\u0440\u0430\u043D\u0438\u0442\u044C
+cancel-button-caption=\u041E\u0442\u043C\u0435\u043D\u0430
+name-field-should-not-be-blank=\u0418\u043C\u044F \u043D\u0435 \u0434\u043E\u043B\u0436\u043D\u043E \u0431\u044B\u0442\u044C \u043F\u0443\u0441\u0442\u044B\u043C
+name-field-should-has-expected-size=\u0414\u043B\u0438\u043D\u0430 \u0438\u043C\u0435\u043D\u0438 \u0434\u043E\u043B\u0436\u043D\u0430 \u0431\u044B\u0442\u044C \u043E\u0442 2 \u0434\u043E 10 \u0441\u0438\u043C\u0432\u043E\u043B\u043E\u0432
+error-text-header=\u041E\u0448\u0438\u0431\u043A\u0430
+person-not-found-error=\u041F\u0451\u0440\u0441\u043E\u043D \u043D\u0435 \u043D\u0430\u0439\u0434\u0435\u043D
@@ -0,0 +1,11 @@
+create table person (
+    id integer generated by default as identity,
+    name varchar(255),
+    hobby varchar(500),
+    primary key (id)
+);
+
+create table person_hobby (
+    person_id integer references person(id),
+    hobby varchar(255)
+);
@@ -0,0 +1,34 @@
+<!DOCTYPE html>
+<html lang="en" xmlns:th="http://www.thymeleaf.org">
+<head>
+    <meta charset="UTF-8"/>
+    <title>List of all persons</title>
+    <style type="text/css">
+        body {
+            padding: 50px;
+        }
+
+        h3 {
+            background-image: url("../static/listmark.png");
+            background-repeat: no-repeat;
+            padding: 2px;
+            padding-left: 30px;
+        }
+
+    </style>
+
+    <style type="text/css" th:inline="text">
+        [[h3]] {
+            background-image: url([[@{/listmark.png}]]);
+            background-repeat: no-repeat;
+            padding: 2px;
+            padding-left: 30px;
+        }
+
+    </style>
+</head>
+<body>
+    <h3 th:text="#{error-text-header}">Error text</h3>
+    <span th:text="${errorText}">Error text</span>
+</body>
+</html>
@@ -0,0 +1,78 @@
+<!DOCTYPE html>
+<html lang="en" xmlns:th="http://www.thymeleaf.org">
+<head>
+    <meta charset="UTF-8"/>
+    <title>Edit person</title>
+    <style type="text/css">
+        body {
+            padding: 50px;
+        }
+
+        label {
+            display: inline-block;
+            width: 100px;
+        }
+
+        input:read-only {
+            background: lightgray;
+        }
+
+        .row {
+            margin-top: 10px;
+        }
+
+        h3 {
+            background-image: url("../static/listmark.png");
+            background-repeat: no-repeat;
+            padding: 2px;
+            padding-left: 30px;
+        }
+
+        .errors {
+            color: red;
+        }
+    </style>
+
+    <style type="text/css" th:inline="text">
+        [[h3]] {
+            background-image: url([[@{/listmark.png}]]);
+            background-repeat: no-repeat;
+            padding: 2px;
+            padding-left: 30px;
+        }
+    </style>
+</head>
+<body>
+
+<!-- Person edition -->
+<form id="edit-form" action="edit.html" th:action="@{/edit(id=${person.id})}" th:method="post" th:object="${person}">
+    <h3 th:text = "#{person-form-header}">Person Info:</h3>
+
+    <div class="row">
+        <label for="id-input" th:text="#{person-field-id} + ':'">ID:</label>
+        <input id="id-input" type="text" readonly="readonly" name="id" th:value="*{id}" value="1"/>
+    </div>
+
+    <div class="row">
+        <label for="person-name-input" th:text="#{person-field-name} + ':'">Name:</label>
+        <input id="person-name-input" name="name" type="text" th:value="*{name}" value="John Doe"/>
+        <div class="errors" th:if="${#fields.hasErrors('name')}" th:errors="*{name}">Wrong person name error</div>
+    </div>
+
+    <div class="row">
+        <label for="person-hobby-select" th:text="#{person-field-hobby} + ':'">Hobby:</label>
+        <select id="person-hobby-select" name="hobby" multiple>
+            <option value="Fishing" th:selected="*{hobby.contains('Fishing')}">Fishing</option>
+            <option value="Poetry" th:selected="*{hobby.contains('Poetry')}">Poetry</option>
+            <option value="Traveling" th:selected="*{hobby.contains('Traveling')}">Traveling</option>
+        </select>
+    </div>
+
+    <div class="row">
+        <button type="submit" th:text="#{save-button-caption}">Save</button>
+        <a href="list.html" th:href="@{/}"><button type="button" th:text="#{cancel-button-caption}">Cancel</button></a>
+    </div>
+</form>
+
+</body>
+</html>
@@ -0,0 +1,76 @@
+<!DOCTYPE html>
+<html lang="en" xmlns:th="http://www.thymeleaf.org">
+<head>
+    <meta charset="UTF-8"/>
+    <title>List of all persons</title>
+    <style type="text/css">
+        body {
+            padding: 50px;
+        }
+
+        .persons {
+            border: 1px solid steelblue;
+            width: 300px;
+            border-collapse: collapse;
+        }
+
+        .persons tr td, th {
+            padding: 5px;
+            border: 1px solid steelblue;
+        }
+
+        .persons td:last-child, td:first-child {
+            width: 50px;
+        }
+
+        h3 {
+            background-image: url("../static/listmark.png");
+            background-repeat: no-repeat;
+            padding: 2px;
+            padding-left: 30px;
+        }
+
+    </style>
+
+    <style type="text/css" th:inline="text">
+        [[h3]] {
+            background-image: url([[@{/listmark.png}]]);
+            background-repeat: no-repeat;
+            padding: 2px;
+            padding-left: 30px;
+        }
+
+    </style>
+</head>
+<body>
+
+<h3 th:text="#{lang-switcher-header}">Select language</h3>
+<div>
+    <div><a href="#" th:href="@{/(lang=en)}" th:text="#{en-lang-switch-button-caption}">Language - EN</a></div>
+    <div><a href="#" th:href="@{/(lang=ru)}" th:text="#{ru-lang-switch-button-caption}">Language - RU</a></div>
+</div>
+
+<h3 th:text="#{persons-table-header}">Persons:</h3>
+
+<table class="persons">
+    <thead>
+    <tr>
+        <th th:text="#{person-field-id}">ID</th>
+        <th th:text="#{person-field-name}">Name</th>
+        <th th:text="#{person-field-hobby}">Hobby</th>
+        <th th:text="#{persons-table-column-action}">Action</th>
+    </tr>
+    </thead>
+    <tbody>
+    <tr th:each="person : ${persons}">
+        <td th:text="${person.id}">1</td>
+        <td th:text="${person.name}">John Doe</td>
+        <td th:text="${person.hobbyAsString()}">Hobby1, hobby2</td>
+        <td>
+            <a th:href="@{/edit(id=${person.id})}" href="edit.html" th:text="#{edit-button-caption}">Edit</a>
+        </td>
+    </tr>
+    </tbody>
+</table>
+</body>
+</html>
@@ -0,0 +1,69 @@
+package ru.otus.spring.controller;
+
+import org.junit.jupiter.api.Test;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.autoconfigure.web.servlet.WebMvcTest;
+import org.springframework.test.context.bean.override.mockito.MockitoBean;
+import org.springframework.test.web.servlet.MockMvc;
+import ru.otus.spring.domain.Person;
+import ru.otus.spring.dto.PersonDto;
+import ru.otus.spring.repostory.PersonRepository;
+
+import java.util.List;
+import java.util.Optional;
+
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.Mockito.times;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
+import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.get;
+import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.post;
+import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.model;
+import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.view;
+
+@WebMvcTest(PersonController.class)
+class PersonControllerTest {
+
+    @Autowired
+    private MockMvc mvc;
+
+    @MockitoBean
+    private PersonRepository personRepository;
+
+    private List<Person> persons = List.of(new Person(1L, "Vasya", List.of()),
+            new Person(2L, "Dima", List.of()));
+
+    @Test
+    void shouldRenderListPageWithCorrectViewAndModelAttributes() throws Exception {
+        when(personRepository.findAll()).thenReturn(persons);
+        List<PersonDto> expectedPersons = persons.stream()
+                .map(PersonDto::fromDomainObject).toList();
+        mvc.perform(get("/"))
+                .andExpect(view().name("list"))
+                .andExpect(model().attribute("persons", expectedPersons));
+    }
+
+    @Test
+    void shouldRenderEditPageWithCorrectViewAndModelAttributes() throws Exception {
+        when(personRepository.findById(1L)).thenReturn(Optional.of(persons.get(0)));
+        PersonDto expectedPerson = PersonDto.fromDomainObject(persons.get(0));
+        mvc.perform(get("/edit").param("id", "1"))
+                .andExpect(view().name("edit"))
+                .andExpect(model().attribute("person", expectedPerson));
+    }
+
+    @Test
+    void shouldRenderErrorPageWhenPersonNotFound() throws Exception {
+        when(personRepository.findById(1L)).thenThrow(new NotFoundException());
+        mvc.perform(get("/edit").param("id", "1"))
+                .andExpect(view().name("customError"));
+    }
+
+    @Test
+    void shouldSavePersonAndRedirectToContextPath() throws Exception {
+        when(personRepository.findById(1L)).thenReturn(Optional.of(persons.get(0)));
+        mvc.perform(post("/edit").param("id", "3").param("name", "Olya"))
+                .andExpect(view().name("redirect:/"));
+        verify(personRepository, times(1)).save(any(Person.class));
+    }
+}
@@ -0,0 +1,24 @@
+target/
+
+### STS ###
+.apt_generated
+.classpath
+.factorypath
+.project
+.settings
+.springBeans
+.sts4-cache
+
+### IntelliJ IDEA ###
+.idea
+*.iws
+*.iml
+*.ipr
+
+### NetBeans ###
+/nbproject/private/
+/build/
+/nbbuild/
+/dist/
+/nbdist/
+/.nb-gradle/
@@ -0,0 +1,75 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+
+    <groupId>ru.otus</groupId>
+    <artifactId>spring-mvc-view-exercise</artifactId>
+    <version>1.0</version>
+
+    <parent>
+        <groupId>org.springframework.boot</groupId>
+        <artifactId>spring-boot-starter-parent</artifactId>
+        <version>3.5.3</version>
+        <relativePath/>
+    </parent>
+
+    <properties>
+        <maven.compiler.source>17</maven.compiler.source>
+        <maven.compiler.target>17</maven.compiler.target>
+        <h2.version>2.2.220</h2.version>
+        <snakeyaml.version>2.0</snakeyaml.version>
+    </properties>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-web</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-thymeleaf</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>org.yaml</groupId>
+            <artifactId>snakeyaml</artifactId>
+            <version>${snakeyaml.version}</version>
+        </dependency>
+
+        <dependency>
+            <groupId>com.h2database</groupId>
+            <artifactId>h2</artifactId>
+            <scope>runtime</scope>
+            <version>${h2.version}</version>
+        </dependency>
+
+        <dependency>
+            <groupId>org.projectlombok</groupId>
+            <artifactId>lombok</artifactId>
+            <version>1.18.36</version>
+            <scope>provided</scope>
+        </dependency>
+
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-data-jpa</artifactId>
+        </dependency>
+    </dependencies>
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.springframework.boot</groupId>
+                <artifactId>spring-boot-maven-plugin</artifactId>
+            </plugin>
+        </plugins>
+    </build>
+</project>
@@ -0,0 +1,14 @@
+package ru.otus.spring;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+public class Main {
+
+    public static void main(String[] args) {
+        SpringApplication.run(Main.class);
+        System.out.printf("Чтобы проверить себя открывай: %n%s%n%s%n",
+                "http://localhost:8080", "http://localhost:8080/edit?id=1");
+    }
+}
@@ -0,0 +1,7 @@
+package ru.otus.spring.controller;
+
+class NotFoundException extends RuntimeException{
+
+    NotFoundException() {
+    }
+}
@@ -0,0 +1,30 @@
+package ru.otus.spring.controller;
+
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Controller;
+import org.springframework.ui.Model;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RequestParam;
+import ru.otus.spring.domain.Person;
+import ru.otus.spring.repostory.PersonRepository;
+
+import java.util.List;
+
+@Controller
+@RequiredArgsConstructor
+public class PersonController {
+
+    private final PersonRepository repository;
+
+    @GetMapping("/")
+    public String listPage(Model model) {
+        List<Person> persons = repository.findAll();
+        model.addAttribute("persons", persons);
+        return "list";
+    }
+
+    @GetMapping("/edit")
+    public String editPage(@RequestParam("id") long id, Model model) {
+        return null;
+    }
+}
@@ -0,0 +1,22 @@
+package ru.otus.spring.domain;
+
+import lombok.AllArgsConstructor;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+import jakarta.persistence.Entity;
+import jakarta.persistence.GeneratedValue;
+import jakarta.persistence.GenerationType;
+import jakarta.persistence.Id;
+
+@Data
+@AllArgsConstructor
+@NoArgsConstructor
+@Entity
+public class Person {
+
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private long id;
+    private String name;
+}
@@ -0,0 +1,11 @@
+package ru.otus.spring.repostory;
+
+import org.springframework.data.repository.CrudRepository;
+import ru.otus.spring.domain.Person;
+
+import java.util.List;
+
+public interface PersonRepository extends CrudRepository<Person, Long> {
+
+    List<Person> findAll();
+}
@@ -0,0 +1,19 @@
+spring:
+  datasource:
+    url: jdbc:h2:mem:testdb
+  sql:
+    init:
+      mode: always
+
+
+  jpa:
+    open-in-view: false
+    generate-ddl: false
+    hibernate:
+      ddl-auto: none
+
+    show-sql: true
+
+logging:
+  level:
+    ROOT: ERROR
@@ -0,0 +1,2 @@
+insert into person (id, name) values (1, 'Pushkin');
+insert into person (id, name) values (2, 'Lermontov');
@@ -0,0 +1,4 @@
+create table person (
+    id integer generated by default as identity,
+    name varchar(255), primary key (id)
+);
@@ -0,0 +1,49 @@
+<!DOCTYPE html>
+<html lang="en" xmlns:th="http://www.thymeleaf.org">
+<head>
+    <meta charset="UTF-8"/>
+    <title>Edit person</title>
+    <style type="text/css">
+        body {
+            padding: 50px;
+        }
+
+        label {
+            display: inline-block;
+            width: 100px;
+        }
+
+        input:read-only {
+            background: lightgray;
+        }
+
+        .row {
+            margin-top: 10px;
+        }
+    </style>
+
+</head>
+<body>
+
+<!-- Person edition -->
+<form id="edit-form" action="edit.html">
+    <h3>Person Info:</h3>
+
+    <div class="row">
+        <label for="id-input">ID:</label>
+        <input id="id-input" type="text" readonly="readonly" value="1"/>
+    </div>
+
+    <div class="row">
+        <label for="person-name-input">Name:</label>
+        <input id="person-name-input" name="name" type="text" value="John Doe"/>
+    </div>
+
+    <div class="row">
+        <button type="submit">Save</button>
+        <a href="list.html"><button type="button">Cancel</button></a>
+    </div>
+</form>
+
+</body>
+</html>
@@ -0,0 +1,49 @@
+<!DOCTYPE html>
+<html lang="en" xmlns:th="http://www.thymeleaf.org">
+<head>
+    <meta charset="UTF-8"/>
+    <title>List of all persons</title>
+    <style type="text/css">
+        body {
+            padding: 50px;
+        }
+
+        .persons {
+            border: 1px solid steelblue;
+            width: 300px;
+            border-collapse: collapse;
+        }
+
+        .persons tr td, th {
+            padding: 5px;
+            border: 1px solid steelblue;
+        }
+
+        .persons td:last-child, td:first-child {
+            width: 50px;
+        }
+    </style>
+</head>
+<body>
+<h3>Persons:</h3>
+
+<table class="persons">
+    <thead>
+    <tr>
+        <th>ID</th>
+        <th>Name</th>
+        <th>Action</th>
+    </tr>
+    </thead>
+    <tbody>
+    <tr>
+        <td>1</td>
+        <td>John Doe</td>
+        <td>
+            <a href="edit.html">Edit</a>
+        </td>
+    </tr>
+    </tbody>
+</table>
+</body>
+</html>
@@ -0,0 +1,24 @@
+target/
+
+### STS ###
+.apt_generated
+.classpath
+.factorypath
+.project
+.settings
+.springBeans
+.sts4-cache
+
+### IntelliJ IDEA ###
+.idea
+*.iws
+*.iml
+*.ipr
+
+### NetBeans ###
+/nbproject/private/
+/build/
+/nbbuild/
+/dist/
+/nbdist/
+/.nb-gradle/
@@ -0,0 +1,75 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+
+    <groupId>ru.otus</groupId>
+    <artifactId>spring-mvc-view-solution1</artifactId>
+    <version>1.0</version>
+
+    <parent>
+        <groupId>org.springframework.boot</groupId>
+        <artifactId>spring-boot-starter-parent</artifactId>
+        <version>3.5.3</version>
+        <relativePath/>
+    </parent>
+
+    <properties>
+        <maven.compiler.source>17</maven.compiler.source>
+        <maven.compiler.target>17</maven.compiler.target>
+        <h2.version>2.2.220</h2.version>
+        <snakeyaml.version>2.0</snakeyaml.version>
+    </properties>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-web</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-thymeleaf</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>org.yaml</groupId>
+            <artifactId>snakeyaml</artifactId>
+            <version>${snakeyaml.version}</version>
+        </dependency>
+
+        <dependency>
+            <groupId>com.h2database</groupId>
+            <artifactId>h2</artifactId>
+            <scope>runtime</scope>
+            <version>${h2.version}</version>
+        </dependency>
+
+        <dependency>
+            <groupId>org.projectlombok</groupId>
+            <artifactId>lombok</artifactId>
+            <version>1.18.36</version>
+            <scope>provided</scope>
+        </dependency>
+
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-data-jpa</artifactId>
+        </dependency>
+    </dependencies>
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.springframework.boot</groupId>
+                <artifactId>spring-boot-maven-plugin</artifactId>
+            </plugin>
+        </plugins>
+    </build>
+</project>
@@ -0,0 +1,13 @@
+package ru.otus.spring;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+//http://localhost:8080/edit?id=1
+@SpringBootApplication
+public class Main {
+
+    public static void main(String[] args) {
+        SpringApplication.run(Main.class);
+    }
+}
@@ -0,0 +1,7 @@
+package ru.otus.spring.controller;
+
+class NotFoundException extends RuntimeException{
+
+    NotFoundException() {
+    }
+}
@@ -0,0 +1,33 @@
+package ru.otus.spring.controller;
+
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Controller;
+import org.springframework.ui.Model;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RequestParam;
+import ru.otus.spring.domain.Person;
+import ru.otus.spring.repostory.PersonRepository;
+
+import java.util.List;
+
+@Controller
+@RequiredArgsConstructor
+public class PersonController {
+
+    private final PersonRepository repository;
+
+    @GetMapping("/")
+    public String listPage(Model model) {
+        List<Person> persons = repository.findAll();
+        model.addAttribute("persons", persons);
+        return "list";
+    }
+
+    @GetMapping("/edit")
+    public String editPage(@RequestParam("id") long id, Model model) {
+        Person person = repository.findById(id)
+                .orElseThrow(NotFoundException::new);
+        model.addAttribute("person", person);
+        return "edit";
+    }
+}
@@ -0,0 +1,22 @@
+package ru.otus.spring.domain;
+
+import lombok.AllArgsConstructor;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+import jakarta.persistence.Entity;
+import jakarta.persistence.GeneratedValue;
+import jakarta.persistence.GenerationType;
+import jakarta.persistence.Id;
+
+@Data
+@AllArgsConstructor
+@NoArgsConstructor
+@Entity
+public class Person {
+
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private long id;
+    private String name;
+}
@@ -0,0 +1,11 @@
+package ru.otus.spring.repostory;
+
+import org.springframework.data.repository.CrudRepository;
+import ru.otus.spring.domain.Person;
+
+import java.util.List;
+
+public interface PersonRepository extends CrudRepository<Person, Long> {
+
+    List<Person> findAll();
+}
@@ -0,0 +1,19 @@
+spring:
+  datasource:
+    url: jdbc:h2:mem:testdb
+  sql:
+    init:
+      mode: always
+
+
+  jpa:
+    open-in-view: false
+    generate-ddl: false
+    hibernate:
+      ddl-auto: none
+
+    show-sql: true
+
+logging:
+  level:
+    ROOT: ERROR
@@ -0,0 +1,2 @@
+insert into person (id, name) values (1, 'Pushkin');
+insert into person (id, name) values (2, 'Lermontov');
@@ -0,0 +1,4 @@
+create table person (
+    id integer generated by default as identity,
+    name varchar(255), primary key (id)
+);
@@ -0,0 +1,48 @@
+<!DOCTYPE html>
+<html lang="en" xmlns:th="http://www.thymeleaf.org">
+<head>
+    <meta charset="UTF-8"/>
+    <title>Edit person</title>
+    <style type="text/css">
+        body {
+            padding: 50px;
+        }
+
+        label {
+            display: inline-block;
+            width: 100px;
+        }
+
+        input:read-only {
+            background: lightgray;
+        }
+
+        .row {
+            margin-top: 10px;
+        }
+    </style>
+</head>
+<body>
+
+<!-- Person edition -->
+<form id="edit-form" action="edit.html">
+    <h3>Person Info:</h3>
+
+    <div class="row">
+        <label for="id-input">ID:</label>
+        <input id="id-input" type="text" readonly="readonly" value="1" th:value="${person.id}"/>
+    </div>
+
+    <div class="row">
+        <label for="person-name-input">Name:</label>
+        <input id="person-name-input" name="name" type="text" value="John Doe" th:value="${person.name}"/>
+    </div>
+
+    <div class="row">
+        <button type="submit">Save</button>
+        <a href="list.html"><button type="button">Cancel</button></a>
+    </div>
+</form>
+
+</body>
+</html>
@@ -0,0 +1,50 @@
+<!DOCTYPE html>
+<html lang="en" xmlns:th="http://www.thymeleaf.org">
+<head>
+    <meta charset="UTF-8"/>
+    <title>List of all persons</title>
+    <style type="text/css">
+        body {
+            padding: 50px;
+        }
+
+        .persons {
+            border: 1px solid steelblue;
+            width: 300px;
+            border-collapse: collapse;
+        }
+
+        .persons tr td, th {
+            padding: 5px;
+            border: 1px solid steelblue;
+        }
+
+        .persons td:last-child, td:first-child {
+            width: 50px;
+        }
+    </style>
+
+</head>
+<body>
+<h3>Persons:</h3>
+
+<table class="persons">
+    <thead>
+    <tr>
+        <th>ID</th>
+        <th>Name</th>
+        <th>Action</th>
+    </tr>
+    </thead>
+    <tbody>
+    <tr>
+        <td>1</td>
+        <td>John Doe</td>
+        <td>
+            <a href="edit.html">Edit</a>
+        </td>
+    </tr>
+    </tbody>
+</table>
+</body>
+</html>
@@ -0,0 +1,24 @@
+target/
+
+### STS ###
+.apt_generated
+.classpath
+.factorypath
+.project
+.settings
+.springBeans
+.sts4-cache
+
+### IntelliJ IDEA ###
+.idea
+*.iws
+*.iml
+*.ipr
+
+### NetBeans ###
+/nbproject/private/
+/build/
+/nbbuild/
+/dist/
+/nbdist/
+/.nb-gradle/
@@ -0,0 +1,75 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+
+    <groupId>ru.otus</groupId>
+    <artifactId>spring-mvc-view-solution2</artifactId>
+    <version>1.0</version>
+
+    <parent>
+        <groupId>org.springframework.boot</groupId>
+        <artifactId>spring-boot-starter-parent</artifactId>
+        <version>3.5.3</version>
+        <relativePath/>
+    </parent>
+
+    <properties>
+        <maven.compiler.source>17</maven.compiler.source>
+        <maven.compiler.target>17</maven.compiler.target>
+        <h2.version>2.2.220</h2.version>
+        <snakeyaml.version>2.0</snakeyaml.version>
+    </properties>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-web</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-thymeleaf</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>org.yaml</groupId>
+            <artifactId>snakeyaml</artifactId>
+            <version>${snakeyaml.version}</version>
+        </dependency>
+
+        <dependency>
+            <groupId>com.h2database</groupId>
+            <artifactId>h2</artifactId>
+            <scope>runtime</scope>
+            <version>${h2.version}</version>
+        </dependency>
+
+        <dependency>
+            <groupId>org.projectlombok</groupId>
+            <artifactId>lombok</artifactId>
+            <version>1.18.36</version>
+            <scope>provided</scope>
+        </dependency>
+
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-data-jpa</artifactId>
+        </dependency>
+    </dependencies>
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.springframework.boot</groupId>
+                <artifactId>spring-boot-maven-plugin</artifactId>
+            </plugin>
+        </plugins>
+    </build>
+</project>
@@ -0,0 +1,13 @@
+package ru.otus.spring;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+//http://localhost:8080/edit?id=1
+@SpringBootApplication
+public class Main {
+
+    public static void main(String[] args) {
+        SpringApplication.run(Main.class);
+    }
+}
@@ -0,0 +1,7 @@
+package ru.otus.spring.controller;
+
+class NotFoundException extends RuntimeException{
+
+    NotFoundException() {
+    }
+}
@@ -0,0 +1,32 @@
+package ru.otus.spring.controller;
+
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Controller;
+import org.springframework.ui.Model;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RequestParam;
+import ru.otus.spring.domain.Person;
+import ru.otus.spring.repostory.PersonRepository;
+
+import java.util.List;
+
+@Controller
+@RequiredArgsConstructor
+public class PersonController {
+
+    private final PersonRepository repository;
+
+    @GetMapping("/")
+    public String listPage(Model model) {
+        List<Person> persons = repository.findAll();
+        model.addAttribute("persons", persons);
+        return "list";
+    }
+
+    @GetMapping("/edit")
+    public String editPage(@RequestParam("id") long id, Model model) {
+        Person person = repository.findById(id).orElseThrow(NotFoundException::new);
+        model.addAttribute("person", person);
+        return "edit";
+    }
+}
@@ -0,0 +1,22 @@
+package ru.otus.spring.domain;
+
+import lombok.AllArgsConstructor;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+import jakarta.persistence.Entity;
+import jakarta.persistence.GeneratedValue;
+import jakarta.persistence.GenerationType;
+import jakarta.persistence.Id;
+
+@Data
+@AllArgsConstructor
+@NoArgsConstructor
+@Entity
+public class Person {
+
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private long id;
+    private String name;
+}
@@ -0,0 +1,11 @@
+package ru.otus.spring.repostory;
+
+import org.springframework.data.repository.CrudRepository;
+import ru.otus.spring.domain.Person;
+
+import java.util.List;
+
+public interface PersonRepository extends CrudRepository<Person, Long> {
+
+    List<Person> findAll();
+}
@@ -0,0 +1,19 @@
+spring:
+  datasource:
+    url: jdbc:h2:mem:testdb
+  sql:
+    init:
+      mode: always
+
+
+  jpa:
+    open-in-view: false
+    generate-ddl: false
+    hibernate:
+      ddl-auto: none
+
+    show-sql: true
+
+logging:
+  level:
+    ROOT: ERROR
@@ -0,0 +1,2 @@
+insert into person (id, name) values (1, 'Pushkin');
+insert into person (id, name) values (2, 'Lermontov');
@@ -0,0 +1,4 @@
+create table person (
+    id integer generated by default as identity,
+    name varchar(255), primary key (id)
+);
@@ -0,0 +1,48 @@
+<!DOCTYPE html>
+<html lang="en" xmlns:th="http://www.thymeleaf.org">
+<head>
+    <meta charset="UTF-8"/>
+    <title>Edit person</title>
+    <style type="text/css">
+        body {
+            padding: 50px;
+        }
+
+        label {
+            display: inline-block;
+            width: 100px;
+        }
+
+        input:read-only {
+            background: lightgray;
+        }
+
+        .row {
+            margin-top: 10px;
+        }
+    </style>
+</head>
+<body>
+
+<!-- Person edition -->
+<form id="edit-form" action="edit.html" th:object="${person}">
+    <h3>Person Info:</h3>
+
+    <div class="row">
+        <label for="id-input">ID:</label>
+        <input id="id-input" type="text" readonly="readonly" value="1" th:value="*{id}"/>
+    </div>
+
+    <div class="row">
+        <label for="person-name-input">Name:</label>
+        <input id="person-name-input" name="name" type="text" value="John Doe" th:value="*{name}"/>
+    </div>
+
+    <div class="row">
+        <button type="submit">Save</button>
+        <a href="list.html"><button type="button">Cancel</button></a>
+    </div>
+</form>
+
+</body>
+</html>
@@ -0,0 +1,49 @@
+<!DOCTYPE html>
+<html lang="en" xmlns:th="http://www.thymeleaf.org">
+<head>
+    <meta charset="UTF-8"/>
+    <title>List of all persons</title>
+    <style type="text/css">
+        body {
+            padding: 50px;
+        }
+
+        .persons {
+            border: 1px solid steelblue;
+            width: 300px;
+            border-collapse: collapse;
+        }
+
+        .persons tr td, th {
+            padding: 5px;
+            border: 1px solid steelblue;
+        }
+
+        .persons td:last-child, td:first-child {
+            width: 50px;
+        }
+    </style>
+</head>
+<body>
+<h3>Persons:</h3>
+
+<table class="persons">
+    <thead>
+    <tr>
+        <th>ID</th>
+        <th>Name</th>
+        <th>Action</th>
+    </tr>
+    </thead>
+    <tbody>
+    <tr>
+        <td>1</td>
+        <td>John Doe</td>
+        <td>
+            <a href="edit.html">Edit</a>
+        </td>
+    </tr>
+    </tbody>
+</table>
+</body>
+</html>
@@ -0,0 +1,24 @@
+target/
+
+### STS ###
+.apt_generated
+.classpath
+.factorypath
+.project
+.settings
+.springBeans
+.sts4-cache
+
+### IntelliJ IDEA ###
+.idea
+*.iws
+*.iml
+*.ipr
+
+### NetBeans ###
+/nbproject/private/
+/build/
+/nbbuild/
+/dist/
+/nbdist/
+/.nb-gradle/
@@ -0,0 +1,75 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+
+    <groupId>ru.otus</groupId>
+    <artifactId>spring-mvc-view-solution3</artifactId>
+    <version>1.0</version>
+
+    <parent>
+        <groupId>org.springframework.boot</groupId>
+        <artifactId>spring-boot-starter-parent</artifactId>
+        <version>3.5.3</version>
+        <relativePath/>
+    </parent>
+
+    <properties>
+        <maven.compiler.source>17</maven.compiler.source>
+        <maven.compiler.target>17</maven.compiler.target>
+        <h2.version>2.2.220</h2.version>
+        <snakeyaml.version>2.0</snakeyaml.version>
+    </properties>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-web</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-thymeleaf</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>org.yaml</groupId>
+            <artifactId>snakeyaml</artifactId>
+            <version>${snakeyaml.version}</version>
+        </dependency>
+
+        <dependency>
+            <groupId>com.h2database</groupId>
+            <artifactId>h2</artifactId>
+            <scope>runtime</scope>
+            <version>${h2.version}</version>
+        </dependency>
+
+        <dependency>
+            <groupId>org.projectlombok</groupId>
+            <artifactId>lombok</artifactId>
+            <version>1.18.36</version>
+            <scope>provided</scope>
+        </dependency>
+
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-data-jpa</artifactId>
+        </dependency>
+    </dependencies>
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.springframework.boot</groupId>
+                <artifactId>spring-boot-maven-plugin</artifactId>
+            </plugin>
+        </plugins>
+    </build>
+</project>
@@ -0,0 +1,14 @@
+package ru.otus.spring;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+//http://localhost:8080
+//http://localhost:8080/edit?id=1
+@SpringBootApplication
+public class Main {
+
+    public static void main(String[] args) {
+        SpringApplication.run(Main.class);
+    }
+}
@@ -0,0 +1,7 @@
+package ru.otus.spring.controller;
+
+class NotFoundException extends RuntimeException{
+
+    NotFoundException() {
+    }
+}
@@ -0,0 +1,32 @@
+package ru.otus.spring.controller;
+
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Controller;
+import org.springframework.ui.Model;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RequestParam;
+import ru.otus.spring.domain.Person;
+import ru.otus.spring.repostory.PersonRepository;
+
+import java.util.List;
+
+@Controller
+@RequiredArgsConstructor
+public class PersonController {
+
+    private final PersonRepository repository;
+
+    @GetMapping("/")
+    public String listPage(Model model) {
+        List<Person> persons = repository.findAll();
+        model.addAttribute("persons", persons);
+        return "list";
+    }
+
+    @GetMapping("/edit")
+    public String editPage(@RequestParam("id") long id, Model model) {
+        Person person = repository.findById(id).orElseThrow(NotFoundException::new);
+        model.addAttribute("person", person);
+        return "edit";
+    }
+}
@@ -0,0 +1,22 @@
+package ru.otus.spring.domain;
+
+import lombok.AllArgsConstructor;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+import jakarta.persistence.Entity;
+import jakarta.persistence.GeneratedValue;
+import jakarta.persistence.GenerationType;
+import jakarta.persistence.Id;
+
+@Data
+@AllArgsConstructor
+@NoArgsConstructor
+@Entity
+public class Person {
+
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private long id;
+    private String name;
+}
@@ -0,0 +1,11 @@
+package ru.otus.spring.repostory;
+
+import org.springframework.data.repository.CrudRepository;
+import ru.otus.spring.domain.Person;
+
+import java.util.List;
+
+public interface PersonRepository extends CrudRepository<Person, Long> {
+
+    List<Person> findAll();
+}
@@ -0,0 +1,19 @@
+spring:
+  datasource:
+    url: jdbc:h2:mem:testdb
+  sql:
+    init:
+      mode: always
+
+
+  jpa:
+    open-in-view: false
+    generate-ddl: false
+    hibernate:
+      ddl-auto: none
+
+    show-sql: true
+
+logging:
+  level:
+    ROOT: ERROR
@@ -0,0 +1,2 @@
+insert into person (id, name) values (1, 'Pushkin');
+insert into person (id, name) values (2, 'Lermontov');
@@ -0,0 +1,4 @@
+create table person (
+    id integer generated by default as identity,
+    name varchar(255), primary key (id)
+);
@@ -0,0 +1,48 @@
+<!DOCTYPE html>
+<html lang="en" xmlns:th="http://www.thymeleaf.org">
+<head>
+    <meta charset="UTF-8"/>
+    <title>Edit person</title>
+    <style type="text/css">
+        body {
+            padding: 50px;
+        }
+
+        label {
+            display: inline-block;
+            width: 100px;
+        }
+
+        input:read-only {
+            background: lightgray;
+        }
+
+        .row {
+            margin-top: 10px;
+        }
+    </style>
+</head>
+<body>
+
+<!-- Person edition -->
+<form id="edit-form" action="edit.html" th:object="${person}">
+    <h3>Person Info:</h3>
+
+    <div class="row">
+        <label for="id-input">ID:</label>
+        <input id="id-input" type="text" readonly="readonly" value="1" th:value="*{id}"/>
+    </div>
+
+    <div class="row">
+        <label for="person-name-input">Name:</label>
+        <input id="person-name-input" name="name" type="text" value="John Doe" th:value="*{name}"/>
+    </div>
+
+    <div class="row">
+        <button type="submit">Save</button>
+        <a href="list.html"><button type="button">Cancel</button></a>
+    </div>
+</form>
+
+</body>
+</html>
@@ -0,0 +1,49 @@
+<!DOCTYPE html>
+<html lang="en" xmlns:th="http://www.thymeleaf.org">
+<head>
+    <meta charset="UTF-8"/>
+    <title>List of all persons</title>
+    <style type="text/css">
+        body {
+            padding: 50px;
+        }
+
+        .persons {
+            border: 1px solid steelblue;
+            width: 300px;
+            border-collapse: collapse;
+        }
+
+        .persons tr td, th {
+            padding: 5px;
+            border: 1px solid steelblue;
+        }
+
+        .persons td:last-child, td:first-child {
+            width: 50px;
+        }
+    </style>
+</head>
+<body>
+<h3>Persons:</h3>
+
+<table class="persons">
+    <thead>
+    <tr>
+        <th>ID</th>
+        <th>Name</th>
+        <th>Action</th>
+    </tr>
+    </thead>
+    <tbody>
+    <tr th:each="person : ${persons}" th:object = "${person}">
+        <td th:text="*{id}">1</td>
+        <td th:text="*{name}">John Doe</td>
+        <td>
+            <a href="edit.html">Edit</a>
+        </td>
+    </tr>
+    </tbody>
+</table>
+</body>
+</html>
@@ -0,0 +1,24 @@
+target/
+
+### STS ###
+.apt_generated
+.classpath
+.factorypath
+.project
+.settings
+.springBeans
+.sts4-cache
+
+### IntelliJ IDEA ###
+.idea
+*.iws
+*.iml
+*.ipr
+
+### NetBeans ###
+/nbproject/private/
+/build/
+/nbbuild/
+/dist/
+/nbdist/
+/.nb-gradle/
@@ -0,0 +1,75 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+
+    <groupId>ru.otus</groupId>
+    <artifactId>spring-mvc-view-solution4</artifactId>
+    <version>1.0</version>
+
+    <parent>
+        <groupId>org.springframework.boot</groupId>
+        <artifactId>spring-boot-starter-parent</artifactId>
+        <version>3.5.3</version>
+        <relativePath/>
+    </parent>
+
+    <properties>
+        <maven.compiler.source>17</maven.compiler.source>
+        <maven.compiler.target>17</maven.compiler.target>
+        <h2.version>2.2.220</h2.version>
+        <snakeyaml.version>2.0</snakeyaml.version>
+    </properties>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-web</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-thymeleaf</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>org.yaml</groupId>
+            <artifactId>snakeyaml</artifactId>
+            <version>${snakeyaml.version}</version>
+        </dependency>
+
+        <dependency>
+            <groupId>com.h2database</groupId>
+            <artifactId>h2</artifactId>
+            <scope>runtime</scope>
+            <version>${h2.version}</version>
+        </dependency>
+
+        <dependency>
+            <groupId>org.projectlombok</groupId>
+            <artifactId>lombok</artifactId>
+            <version>1.18.36</version>
+            <scope>provided</scope>
+        </dependency>
+
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-data-jpa</artifactId>
+        </dependency>
+    </dependencies>
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.springframework.boot</groupId>
+                <artifactId>spring-boot-maven-plugin</artifactId>
+            </plugin>
+        </plugins>
+    </build>
+</project>
@@ -0,0 +1,15 @@
+package ru.otus.spring;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+//http://localhost:8080
+//http://localhost:8080/edit?id=1
+//http://localhost:8080/edit?id=111
+@SpringBootApplication
+public class Main {
+
+    public static void main(String[] args) {
+        SpringApplication.run(Main.class);
+    }
+}
@@ -0,0 +1,18 @@
+package ru.otus.spring.controller;
+
+import lombok.RequiredArgsConstructor;
+import org.springframework.web.bind.annotation.ControllerAdvice;
+import org.springframework.web.bind.annotation.ExceptionHandler;
+import org.springframework.web.servlet.ModelAndView;
+
+@RequiredArgsConstructor
+@ControllerAdvice
+public class GlobalExceptionHandler {
+
+    @ExceptionHandler(NotFoundException.class)
+    public ModelAndView handeNotFoundException(NotFoundException ex) {
+        return new ModelAndView("customError",
+                "errorText", "Person not found");
+    }
+
+}
@@ -0,0 +1,7 @@
+package ru.otus.spring.controller;
+
+public class NotFoundException extends RuntimeException{
+
+    NotFoundException() {
+    }
+}
@@ -0,0 +1,39 @@
+package ru.otus.spring.controller;
+
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Controller;
+import org.springframework.ui.Model;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestParam;
+import ru.otus.spring.domain.Person;
+import ru.otus.spring.repostory.PersonRepository;
+
+import java.util.List;
+
+@Controller
+@RequiredArgsConstructor
+public class PersonController {
+
+    private final PersonRepository repository;
+
+    @GetMapping("/")
+    public String listPage(Model model) {
+        List<Person> persons = repository.findAll();
+        model.addAttribute("persons", persons);
+        return "list";
+    }
+
+    @GetMapping("/edit")
+    public String editPage(@RequestParam("id") long id, Model model) {
+        Person person = repository.findById(id).orElseThrow(NotFoundException::new);
+        model.addAttribute("person", person);
+        return "edit";
+    }
+
+    @PostMapping("/edit")
+    public String savePerson(Person person) {
+        repository.save(person);
+        return "redirect:/";
+    }
+}
@@ -0,0 +1,22 @@
+package ru.otus.spring.domain;
+
+import lombok.AllArgsConstructor;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+import jakarta.persistence.Entity;
+import jakarta.persistence.GeneratedValue;
+import jakarta.persistence.GenerationType;
+import jakarta.persistence.Id;
+
+@Data
+@AllArgsConstructor
+@NoArgsConstructor
+@Entity
+public class Person {
+
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private long id;
+    private String name;
+}
@@ -0,0 +1,11 @@
+package ru.otus.spring.repostory;
+
+import org.springframework.data.repository.CrudRepository;
+import ru.otus.spring.domain.Person;
+
+import java.util.List;
+
+public interface PersonRepository extends CrudRepository<Person, Long> {
+
+    List<Person> findAll();
+}
@@ -0,0 +1,19 @@
+spring:
+  datasource:
+    url: jdbc:h2:mem:testdb
+  sql:
+    init:
+      mode: always
+
+
+  jpa:
+    open-in-view: false
+    generate-ddl: false
+    hibernate:
+      ddl-auto: none
+
+    show-sql: true
+
+logging:
+  level:
+    ROOT: ERROR
@@ -0,0 +1,2 @@
+insert into person (id, name) values (1, 'Pushkin');
+insert into person (id, name) values (2, 'Lermontov');
@@ -0,0 +1,4 @@
+create table person (
+    id integer generated by default as identity,
+    name varchar(255), primary key (id)
+);
@@ -0,0 +1,34 @@
+<!DOCTYPE html>
+<html lang="en" xmlns:th="http://www.thymeleaf.org">
+<head>
+    <meta charset="UTF-8"/>
+    <title>List of all persons</title>
+    <style type="text/css">
+        body {
+            padding: 50px;
+        }
+
+        h3 {
+            background-image: url("../static/listmark.png");
+            background-repeat: no-repeat;
+            padding: 2px;
+            padding-left: 30px;
+        }
+
+    </style>
+
+    <style type="text/css" th:inline="text">
+        [[h3]] {
+            background-image: url([[@{/listmark.png}]]);
+            background-repeat: no-repeat;
+            padding: 2px;
+            padding-left: 30px;
+        }
+
+    </style>
+</head>
+<body>
+    <h3>Error:</h3>
+    <span th:text="${errorText}">Error text</span>
+</body>
+</html>
@@ -0,0 +1,49 @@
+<!DOCTYPE html>
+<html lang="en" xmlns:th="http://www.thymeleaf.org">
+<head>
+    <meta charset="UTF-8"/>
+    <title>Edit person</title>
+    <style type="text/css">
+        body {
+            padding: 50px;
+        }
+
+        label {
+            display: inline-block;
+            width: 100px;
+        }
+
+        input:read-only {
+            background: lightgray;
+        }
+
+        .row {
+            margin-top: 10px;
+        }
+    </style>
+</head>
+<body>
+
+<!-- Person edition -->
+<form id="edit-form" action="edit.html" th:method="post" th:action="@{/edit(id=${person.id})}"
+      th:object="${person}">
+    <h3>Person Info:</h3>
+
+    <div class="row">
+        <label for="id-input">ID:</label>
+        <input id="id-input" type="text" readonly="readonly" value="1" th:value="*{id}"/>
+    </div>
+
+    <div class="row">
+        <label for="person-name-input">Name:</label>
+        <input id="person-name-input" name="name" type="text" value="John Doe" th:value="*{name}"/>
+    </div>
+
+    <div class="row">
+        <button type="submit">Save</button>
+        <a href="list.html" th:href="@{/}"><button type="button">Cancel</button></a>
+    </div>
+</form>
+
+</body>
+</html>
@@ -0,0 +1,49 @@
+<!DOCTYPE html>
+<html lang="en" xmlns:th="http://www.thymeleaf.org">
+<head>
+    <meta charset="UTF-8"/>
+    <title>List of all persons</title>
+    <style type="text/css">
+        body {
+            padding: 50px;
+        }
+
+        .persons {
+            border: 1px solid steelblue;
+            width: 300px;
+            border-collapse: collapse;
+        }
+
+        .persons tr td, th {
+            padding: 5px;
+            border: 1px solid steelblue;
+        }
+
+        .persons td:last-child, td:first-child {
+            width: 50px;
+        }
+    </style>
+</head>
+<body>
+<h3>Persons:</h3>
+
+<table class="persons">
+    <thead>
+    <tr>
+        <th>ID</th>
+        <th>Name</th>
+        <th>Action</th>
+    </tr>
+    </thead>
+    <tbody>
+    <tr th:each="person : ${persons}" th:object="${person}">
+        <td th:text="*{id}">1</td>
+        <td th:text="*{name}">John Doe</td>
+        <td>
+            <a href="edit.html" th:href="@{/edit(id=*{id})}">Edit</a>
+        </td>
+    </tr>
+    </tbody>
+</table>
+</body>
+</html>