2022-05 - 18

2022-05/spring-18-view/.gitignore

@@ -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/

2022-05/spring-18-view/pom.xml

@@ -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>

2022-05/spring-18-view/spring-mvc-view-demo/.gitignore

@@ -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/

2022-05/spring-18-view/spring-mvc-view-demo/pom.xml

@@ -0,0 +1,69 @@
+<?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>2.6.3</version>
+        <relativePath/>
+    </parent>
+
+    <properties>
+        <maven.compiler.source>11</maven.compiler.source>
+        <maven.compiler.target>11</maven.compiler.target>
+        <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>com.h2database</groupId>
+            <artifactId>h2</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>org.springframework.data</groupId>
+            <artifactId>spring-data-jpa</artifactId>
+        </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>
+    </dependencies>
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.springframework.boot</groupId>
+                <artifactId>spring-boot-maven-plugin</artifactId>
+            </plugin>
+        </plugins>
+    </build>
+</project>

2022-05/spring-18-view/spring-mvc-view-demo/src/main/java/ru/otus/spring/Main.java

@@ -0,0 +1,27 @@
+package ru.otus.spring;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+import ru.otus.spring.domain.Person;
+import ru.otus.spring.repostory.PersonRepository;
+
+import javax.annotation.PostConstruct;
+
+@SpringBootApplication
+public class Main {
+
+    public static void main(String[] args) {
+        SpringApplication.run(Main.class);
+    }
+
+    @SuppressWarnings("SpringJavaAutowiredFieldsWarningInspection")
+    @Autowired
+    private PersonRepository repository;
+
+    @PostConstruct
+    public void init() {
+        repository.save(new Person("Pushkin"));
+        repository.save(new Person("Lermontov"));
+    }
+}

2022-05/spring-18-view/spring-mvc-view-demo/src/main/java/ru/otus/spring/config/LocalizationConfig.java

@@ -0,0 +1,35 @@
+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();
+        resolver.setDefaultLocale(new Locale("en"));
+        resolver.setCookieName("locale");
+        return resolver;
+    }
+
+    @Bean
+    public LocaleChangeInterceptor localeChangeInterceptor() {
+        var localeChangeInterceptor = new LocaleChangeInterceptor();
+        localeChangeInterceptor.setParamName("lang");
+        return localeChangeInterceptor;
+    }
+
+    @Override
+    public void addInterceptors(InterceptorRegistry registry) {
+        registry.addInterceptor(localeChangeInterceptor());
+    }
+}

2022-05/spring-18-view/spring-mvc-view-demo/src/main/java/ru/otus/spring/controller/NotFoundException.java

@@ -0,0 +1,7 @@
+package ru.otus.spring.controller;
+
+class NotFoundException extends RuntimeException{
+
+    NotFoundException() {
+    }
+}

2022-05/spring-18-view/spring-mvc-view-demo/src/main/java/ru/otus/spring/controller/PersonController.java

@@ -0,0 +1,50 @@
+package ru.otus.spring.controller;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Controller;
+import org.springframework.ui.Model;
+import org.springframework.validation.BindingResult;
+import org.springframework.validation.annotation.Validated;
+import org.springframework.web.bind.annotation.*;
+import ru.otus.spring.domain.Person;
+import ru.otus.spring.dto.PersonDto;
+import ru.otus.spring.repostory.PersonRepository;
+
+import javax.validation.Valid;
+import java.util.List;
+
+@Controller
+public class PersonController {
+
+    private final PersonRepository repository;
+
+    @Autowired
+    public PersonController(PersonRepository repository) {
+        this.repository = 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") int id, Model model) {
+        Person person = repository.findById(id).orElseThrow(NotFoundException::new);
+        model.addAttribute("person", person);
+        return "edit";
+    }
+
+    @Validated
+    @PostMapping("/edit")
+    public String savePerson(@Valid @ModelAttribute("person") PersonDto person,
+                             BindingResult bindingResult, Model model) {
+        if (bindingResult.hasErrors()) {
+            return "edit";
+        }
+        repository.save(person.toDomainObject());
+        return "redirect:/";
+    }
+}

2022-05/spring-18-view/spring-mvc-view-demo/src/main/java/ru/otus/spring/domain/Person.java

@@ -0,0 +1,42 @@
+package ru.otus.spring.domain;
+
+import javax.persistence.Entity;
+import javax.persistence.GeneratedValue;
+import javax.persistence.Id;
+
+@Entity
+public class Person {
+
+    @Id
+    @GeneratedValue
+    private int id;
+    private String name;
+
+    public Person() {
+    }
+
+    public Person(String name) {
+        this.name = name;
+    }
+
+    public Person(int id, String name) {
+        this.id = id;
+        this.name = name;
+    }
+
+    public int getId() {
+        return id;
+    }
+
+    public void setId(int id) {
+        this.id = id;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+}

2022-05/spring-18-view/spring-mvc-view-demo/src/main/java/ru/otus/spring/dto/PersonDto.java

@@ -0,0 +1,51 @@
+package ru.otus.spring.dto;
+
+import ru.otus.spring.domain.Person;
+
+import javax.validation.constraints.NotBlank;
+import javax.validation.constraints.Size;
+
+public class PersonDto {
+
+    private int id;
+
+    @NotBlank(message = "{name-field-should-not-be-blank}")
+    @Size(min = 2, max = 10, message = "{name-field-should-has-expected-size}")
+    private String name;
+
+    public PersonDto() {
+    }
+
+    public PersonDto(String name) {
+        this.name = name;
+    }
+
+    public PersonDto(int id, String name) {
+        this.id = id;
+        this.name = name;
+    }
+
+    public int getId() {
+        return id;
+    }
+
+    public void setId(int id) {
+        this.id = id;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public Person toDomainObject(){
+        return new Person(id, name);
+    }
+
+    public static PersonDto fromDomainObject(Person person) {
+        return new PersonDto(person.getId(), person.getName());
+    }
+}

2022-05/spring-18-view/spring-mvc-view-demo/src/main/java/ru/otus/spring/repostory/PersonRepository.java

@@ -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, Integer> {
+
+    List<Person> findAll();
+}

2022-05/spring-18-view/spring-mvc-view-demo/src/main/resources/application.yml

@@ -0,0 +1,3 @@
+spring:
+  messages:
+    encoding: UTF-8

2022-05/spring-18-view/spring-mvc-view-demo/src/main/resources/messages.properties

@@ -0,0 +1,10 @@
+lang-switcher-header=Select language
+en-lang-switch-button-caption=Language - EN
+ru-lang-switch-button-caption=Language - RU
+persons-table-header=Persons:
+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

2022-05/spring-18-view/spring-mvc-view-demo/src/main/resources/messages_en.properties

@@ -0,0 +1,10 @@
+lang-switcher-header=Select language
+en-lang-switch-button-caption=Language - EN
+ru-lang-switch-button-caption=Language - RU
+persons-table-header=Persons:
+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

2022-05/spring-18-view/spring-mvc-view-demo/src/main/resources/messages_ru.properties

@@ -0,0 +1,10 @@
+lang-switcher-header=Выбор языка
+en-lang-switch-button-caption=Язык - EN
+ru-lang-switch-button-caption=Язык - RU
+persons-table-header=Пёрсоны:
+edit-button-caption=Изменить
+person-form-header=Информация о пёрсоне:
+save-button-caption=Сохранить
+cancel-button-caption=Отмена
+name-field-should-not-be-blank=Имя не должно быть пустым
+name-field-should-has-expected-size=Длина имени должна быть от 2 до 10 символов

2022-05/spring-18-view/spring-mvc-view-demo/src/main/resources/templates/edit.html

@@ -0,0 +1,69 @@
+<!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">ID:</label>
+        <input id="id-input" type="text" readonly="readonly" th:value="*{id}" value="1"/>
+    </div>
+
+    <div class="row">
+        <label for="person-name-input">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">
+        <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>

2022-05/spring-18-view/spring-mvc-view-demo/src/main/resources/templates/list.html

@@ -0,0 +1,74 @@
+<!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>ID</th>
+        <th>Name</th>
+        <th>Action</th>
+    </tr>
+    </thead>
+    <tbody>
+    <tr th:each="person : ${persons}">
+        <td th:text="${person.id}">1</td>
+        <td th:text="${person.name}">John Doe</td>
+        <td>
+            <a th:href="@{/edit(id=${person.id})}" href="edit.html" th:text="#{edit-button-caption}">Edit</a>
+        </td>
+    </tr>
+    </tbody>
+</table>
+</body>
+</html>

2022-05/spring-18-view/spring-mvc-view-exercise/.gitignore

@@ -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/

2022-05/spring-18-view/spring-mvc-view-exercise/pom.xml

@@ -0,0 +1,62 @@
+<?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>2.6.3</version>
+        <relativePath/>
+    </parent>
+
+    <properties>
+        <maven.compiler.source>11</maven.compiler.source>
+        <maven.compiler.target>11</maven.compiler.target>
+    </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>com.h2database</groupId>
+            <artifactId>h2</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>org.springframework.data</groupId>
+            <artifactId>spring-data-jpa</artifactId>
+        </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>

2022-05/spring-18-view/spring-mvc-view-exercise/src/main/java/ru/otus/spring/Main.java

@@ -0,0 +1,28 @@
+package ru.otus.spring;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+import ru.otus.spring.domain.Person;
+import ru.otus.spring.repostory.PersonRepository;
+
+import javax.annotation.PostConstruct;
+
+@SpringBootApplication
+public class Main {
+
+    public static void main(String[] args) {
+        SpringApplication.run(Main.class);
+    }
+
+    //Чтобы не усложнять пример, делать так нельзя :)
+    @SuppressWarnings("SpringJavaAutowiredFieldsWarningInspection")
+    @Autowired
+    private PersonRepository repository;
+
+    @PostConstruct
+    public void init() {
+        repository.save(new Person("Pushkin"));
+        repository.save(new Person("Lermontov"));
+    }
+}

2022-05/spring-18-view/spring-mvc-view-exercise/src/main/java/ru/otus/spring/controller/NotFoundException.java

@@ -0,0 +1,7 @@
+package ru.otus.spring.controller;
+
+class NotFoundException extends RuntimeException{
+
+    NotFoundException() {
+    }
+}

2022-05/spring-18-view/spring-mvc-view-exercise/src/main/java/ru/otus/spring/controller/PersonController.java

@@ -0,0 +1,33 @@
+package ru.otus.spring.controller;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Controller;
+import org.springframework.ui.Model;
+import org.springframework.web.bind.annotation.*;
+import ru.otus.spring.domain.Person;
+import ru.otus.spring.repostory.PersonRepository;
+
+import java.util.List;
+
+@Controller
+public class PersonController {
+
+    private final PersonRepository repository;
+
+    @Autowired
+    public PersonController(PersonRepository repository) {
+        this.repository = 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") int id, Model model) {
+        return null;
+    }
+}

2022-05/spring-18-view/spring-mvc-view-exercise/src/main/java/ru/otus/spring/domain/Person.java

@@ -0,0 +1,37 @@
+package ru.otus.spring.domain;
+
+import javax.persistence.Entity;
+import javax.persistence.GeneratedValue;
+import javax.persistence.Id;
+
+@Entity
+public class Person {
+
+    @Id
+    @GeneratedValue
+    private int id;
+    private String name;
+
+    public Person() {
+    }
+
+    public Person(String name) {
+        this.name = name;
+    }
+
+    public int getId() {
+        return id;
+    }
+
+    public void setId(int id) {
+        this.id = id;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+}

2022-05/spring-18-view/spring-mvc-view-exercise/src/main/java/ru/otus/spring/repostory/PersonRepository.java

@@ -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, Integer> {
+
+    List<Person> findAll();
+}

2022-05/spring-18-view/spring-mvc-view-exercise/src/main/resources/templates/edit.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">
+    <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>

2022-05/spring-18-view/spring-mvc-view-exercise/src/main/resources/templates/list.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>

2022-05/spring-18-view/spring-mvc-view-solution1/.gitignore

@@ -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/

2022-05/spring-18-view/spring-mvc-view-solution1/pom.xml

@@ -0,0 +1,62 @@
+<?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>2.6.3</version>
+        <relativePath/>
+    </parent>
+
+    <properties>
+        <maven.compiler.source>11</maven.compiler.source>
+        <maven.compiler.target>11</maven.compiler.target>
+    </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>com.h2database</groupId>
+            <artifactId>h2</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>org.springframework.data</groupId>
+            <artifactId>spring-data-jpa</artifactId>
+        </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>

2022-05/spring-18-view/spring-mvc-view-solution1/src/main/java/ru/otus/spring/Main.java

@@ -0,0 +1,29 @@
+package ru.otus.spring;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+import ru.otus.spring.domain.Person;
+import ru.otus.spring.repostory.PersonRepository;
+
+import javax.annotation.PostConstruct;
+
+//http://localhost:8080/edit?id=1
+@SpringBootApplication
+public class Main {
+
+    public static void main(String[] args) {
+        SpringApplication.run(Main.class);
+    }
+
+    //Чтобы не усложнять пример, делать так нельзя :)
+    @SuppressWarnings("SpringJavaAutowiredFieldsWarningInspection")
+    @Autowired
+    private PersonRepository repository;
+
+    @PostConstruct
+    public void init() {
+        repository.save(new Person("Pushkin"));
+        repository.save(new Person("Lermontov"));
+    }
+}

2022-05/spring-18-view/spring-mvc-view-solution1/src/main/java/ru/otus/spring/controller/NotFoundException.java

@@ -0,0 +1,7 @@
+package ru.otus.spring.controller;
+
+class NotFoundException extends RuntimeException{
+
+    NotFoundException() {
+    }
+}

2022-05/spring-18-view/spring-mvc-view-solution1/src/main/java/ru/otus/spring/controller/PersonController.java

@@ -0,0 +1,35 @@
+package ru.otus.spring.controller;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Controller;
+import org.springframework.ui.Model;
+import org.springframework.web.bind.annotation.*;
+import ru.otus.spring.domain.Person;
+import ru.otus.spring.repostory.PersonRepository;
+
+import java.util.List;
+
+@Controller
+public class PersonController {
+
+    private final PersonRepository repository;
+
+    @Autowired
+    public PersonController(PersonRepository repository) {
+        this.repository = 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") int id, Model model) {
+        Person person = repository.findById(id).orElseThrow(NotFoundException::new);
+        model.addAttribute("person", person);
+        return "edit";
+    }
+}

2022-05/spring-18-view/spring-mvc-view-solution1/src/main/java/ru/otus/spring/domain/Person.java

@@ -0,0 +1,37 @@
+package ru.otus.spring.domain;
+
+import javax.persistence.Entity;
+import javax.persistence.GeneratedValue;
+import javax.persistence.Id;
+
+@Entity
+public class Person {
+
+    @Id
+    @GeneratedValue
+    private int id;
+    private String name;
+
+    public Person() {
+    }
+
+    public Person(String name) {
+        this.name = name;
+    }
+
+    public int getId() {
+        return id;
+    }
+
+    public void setId(int id) {
+        this.id = id;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+}

2022-05/spring-18-view/spring-mvc-view-solution1/src/main/java/ru/otus/spring/repostory/PersonRepository.java

@@ -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, Integer> {
+
+    List<Person> findAll();
+}

2022-05/spring-18-view/spring-mvc-view-solution1/src/main/resources/templates/edit.html

@@ -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>

2022-05/spring-18-view/spring-mvc-view-solution1/src/main/resources/templates/list.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>

2022-05/spring-18-view/spring-mvc-view-solution2/.gitignore

@@ -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/

2022-05/spring-18-view/spring-mvc-view-solution2/pom.xml

@@ -0,0 +1,62 @@
+<?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>2.6.3</version>
+        <relativePath/>
+    </parent>
+
+    <properties>
+        <maven.compiler.source>11</maven.compiler.source>
+        <maven.compiler.target>11</maven.compiler.target>
+    </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>com.h2database</groupId>
+            <artifactId>h2</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>org.springframework.data</groupId>
+            <artifactId>spring-data-jpa</artifactId>
+        </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>

2022-05/spring-18-view/spring-mvc-view-solution2/src/main/java/ru/otus/spring/Main.java

@@ -0,0 +1,29 @@
+package ru.otus.spring;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+import ru.otus.spring.domain.Person;
+import ru.otus.spring.repostory.PersonRepository;
+
+import javax.annotation.PostConstruct;
+
+//http://localhost:8080/edit?id=1
+@SpringBootApplication
+public class Main {
+
+    public static void main(String[] args) {
+        SpringApplication.run(Main.class);
+    }
+
+    //Чтобы не усложнять пример, делать так нельзя :)
+    @SuppressWarnings("SpringJavaAutowiredFieldsWarningInspection")
+    @Autowired
+    private PersonRepository repository;
+
+    @PostConstruct
+    public void init() {
+        repository.save(new Person("Pushkin"));
+        repository.save(new Person("Lermontov"));
+    }
+}

2022-05/spring-18-view/spring-mvc-view-solution2/src/main/java/ru/otus/spring/controller/NotFoundException.java

@@ -0,0 +1,7 @@
+package ru.otus.spring.controller;
+
+class NotFoundException extends RuntimeException{
+
+    NotFoundException() {
+    }
+}

2022-05/spring-18-view/spring-mvc-view-solution2/src/main/java/ru/otus/spring/controller/PersonController.java

@@ -0,0 +1,35 @@
+package ru.otus.spring.controller;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Controller;
+import org.springframework.ui.Model;
+import org.springframework.web.bind.annotation.*;
+import ru.otus.spring.domain.Person;
+import ru.otus.spring.repostory.PersonRepository;
+
+import java.util.List;
+
+@Controller
+public class PersonController {
+
+    private final PersonRepository repository;
+
+    @Autowired
+    public PersonController(PersonRepository repository) {
+        this.repository = 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") int id, Model model) {
+        Person person = repository.findById(id).orElseThrow(NotFoundException::new);
+        model.addAttribute("person", person);
+        return "edit";
+    }
+}

2022-05/spring-18-view/spring-mvc-view-solution2/src/main/java/ru/otus/spring/domain/Person.java

@@ -0,0 +1,37 @@
+package ru.otus.spring.domain;
+
+import javax.persistence.Entity;
+import javax.persistence.GeneratedValue;
+import javax.persistence.Id;
+
+@Entity
+public class Person {
+
+    @Id
+    @GeneratedValue
+    private int id;
+    private String name;
+
+    public Person() {
+    }
+
+    public Person(String name) {
+        this.name = name;
+    }
+
+    public int getId() {
+        return id;
+    }
+
+    public void setId(int id) {
+        this.id = id;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+}

2022-05/spring-18-view/spring-mvc-view-solution2/src/main/java/ru/otus/spring/repostory/PersonRepository.java

@@ -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, Integer> {
+
+    List<Person> findAll();
+}

2022-05/spring-18-view/spring-mvc-view-solution2/src/main/resources/templates/edit.html

@@ -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>

2022-05/spring-18-view/spring-mvc-view-solution2/src/main/resources/templates/list.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>

2022-05/spring-18-view/spring-mvc-view-solution3/.gitignore

@@ -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/

2022-05/spring-18-view/spring-mvc-view-solution3/pom.xml

@@ -0,0 +1,62 @@
+<?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>2.6.3</version>
+        <relativePath/>
+    </parent>
+
+    <properties>
+        <maven.compiler.source>11</maven.compiler.source>
+        <maven.compiler.target>11</maven.compiler.target>
+    </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>com.h2database</groupId>
+            <artifactId>h2</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>org.springframework.data</groupId>
+            <artifactId>spring-data-jpa</artifactId>
+        </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>

2022-05/spring-18-view/spring-mvc-view-solution3/src/main/java/ru/otus/spring/Main.java

@@ -0,0 +1,30 @@
+package ru.otus.spring;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+import ru.otus.spring.domain.Person;
+import ru.otus.spring.repostory.PersonRepository;
+
+import javax.annotation.PostConstruct;
+
+//http://localhost:8080
+//http://localhost:8080/edit?id=1
+@SpringBootApplication
+public class Main {
+
+    public static void main(String[] args) {
+        SpringApplication.run(Main.class);
+    }
+
+    //Чтобы не усложнять пример, делать так нельзя :)
+    @SuppressWarnings("SpringJavaAutowiredFieldsWarningInspection")
+    @Autowired
+    private PersonRepository repository;
+
+    @PostConstruct
+    public void init() {
+        repository.save(new Person("Pushkin"));
+        repository.save(new Person("Lermontov"));
+    }
+}

2022-05/spring-18-view/spring-mvc-view-solution3/src/main/java/ru/otus/spring/controller/NotFoundException.java

@@ -0,0 +1,7 @@
+package ru.otus.spring.controller;
+
+class NotFoundException extends RuntimeException{
+
+    NotFoundException() {
+    }
+}

2022-05/spring-18-view/spring-mvc-view-solution3/src/main/java/ru/otus/spring/controller/PersonController.java

@@ -0,0 +1,35 @@
+package ru.otus.spring.controller;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Controller;
+import org.springframework.ui.Model;
+import org.springframework.web.bind.annotation.*;
+import ru.otus.spring.domain.Person;
+import ru.otus.spring.repostory.PersonRepository;
+
+import java.util.List;
+
+@Controller
+public class PersonController {
+
+    private final PersonRepository repository;
+
+    @Autowired
+    public PersonController(PersonRepository repository) {
+        this.repository = 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") int id, Model model) {
+        Person person = repository.findById(id).orElseThrow(NotFoundException::new);
+        model.addAttribute("person", person);
+        return "edit";
+    }
+}

2022-05/spring-18-view/spring-mvc-view-solution3/src/main/java/ru/otus/spring/domain/Person.java

@@ -0,0 +1,37 @@
+package ru.otus.spring.domain;
+
+import javax.persistence.Entity;
+import javax.persistence.GeneratedValue;
+import javax.persistence.Id;
+
+@Entity
+public class Person {
+
+    @Id
+    @GeneratedValue
+    private int id;
+    private String name;
+
+    public Person() {
+    }
+
+    public Person(String name) {
+        this.name = name;
+    }
+
+    public int getId() {
+        return id;
+    }
+
+    public void setId(int id) {
+        this.id = id;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+}

2022-05/spring-18-view/spring-mvc-view-solution3/src/main/java/ru/otus/spring/repostory/PersonRepository.java

@@ -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, Integer> {
+
+    List<Person> findAll();
+}

2022-05/spring-18-view/spring-mvc-view-solution3/src/main/resources/templates/edit.html

@@ -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>

2022-05/spring-18-view/spring-mvc-view-solution3/src/main/resources/templates/list.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 : ${persons}">
+        <td th:text="${person.id}">1</td>
+        <td th:text="${person.name}">John Doe</td>
+        <td>
+            <a href="edit.html">Edit</a>
+        </td>
+    </tr>
+    </tbody>
+</table>
+</body>
+</html>

2022-05/spring-18-view/spring-mvc-view-solution4/.gitignore

@@ -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/

2022-05/spring-18-view/spring-mvc-view-solution4/pom.xml

@@ -0,0 +1,62 @@
+<?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>2.6.3</version>
+        <relativePath/>
+    </parent>
+
+    <properties>
+        <maven.compiler.source>11</maven.compiler.source>
+        <maven.compiler.target>11</maven.compiler.target>
+    </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>com.h2database</groupId>
+            <artifactId>h2</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>org.springframework.data</groupId>
+            <artifactId>spring-data-jpa</artifactId>
+        </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>

2022-05/spring-18-view/spring-mvc-view-solution4/src/main/java/ru/otus/spring/Main.java

@@ -0,0 +1,30 @@
+package ru.otus.spring;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+import ru.otus.spring.domain.Person;
+import ru.otus.spring.repostory.PersonRepository;
+
+import javax.annotation.PostConstruct;
+
+//http://localhost:8080
+//http://localhost:8080/edit?id=1
+@SpringBootApplication
+public class Main {
+
+    public static void main(String[] args) {
+        SpringApplication.run(Main.class);
+    }
+
+    //Чтобы не усложнять пример, делать так нельзя :)
+    @SuppressWarnings("SpringJavaAutowiredFieldsWarningInspection")
+    @Autowired
+    private PersonRepository repository;
+
+    @PostConstruct
+    public void init() {
+        repository.save(new Person("Pushkin"));
+        repository.save(new Person("Lermontov"));
+    }
+}

2022-05/spring-18-view/spring-mvc-view-solution4/src/main/java/ru/otus/spring/controller/NotFoundException.java

@@ -0,0 +1,7 @@
+package ru.otus.spring.controller;
+
+class NotFoundException extends RuntimeException{
+
+    NotFoundException() {
+    }
+}

2022-05/spring-18-view/spring-mvc-view-solution4/src/main/java/ru/otus/spring/controller/PersonController.java

@@ -0,0 +1,41 @@
+package ru.otus.spring.controller;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Controller;
+import org.springframework.ui.Model;
+import org.springframework.web.bind.annotation.*;
+import ru.otus.spring.domain.Person;
+import ru.otus.spring.repostory.PersonRepository;
+
+import java.util.List;
+
+@Controller
+public class PersonController {
+
+    private final PersonRepository repository;
+
+    @Autowired
+    public PersonController(PersonRepository repository) {
+        this.repository = 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") int 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:/";
+    }
+}

2022-05/spring-18-view/spring-mvc-view-solution4/src/main/java/ru/otus/spring/domain/Person.java

@@ -0,0 +1,37 @@
+package ru.otus.spring.domain;
+
+import javax.persistence.Entity;
+import javax.persistence.GeneratedValue;
+import javax.persistence.Id;
+
+@Entity
+public class Person {
+
+    @Id
+    @GeneratedValue
+    private int id;
+    private String name;
+
+    public Person() {
+    }
+
+    public Person(String name) {
+        this.name = name;
+    }
+
+    public int getId() {
+        return id;
+    }
+
+    public void setId(int id) {
+        this.id = id;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+}

2022-05/spring-18-view/spring-mvc-view-solution4/src/main/java/ru/otus/spring/repostory/PersonRepository.java

@@ -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, Integer> {
+
+    List<Person> findAll();
+}

2022-05/spring-18-view/spring-mvc-view-solution4/src/main/resources/templates/edit.html

@@ -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: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>

2022-05/spring-18-view/spring-mvc-view-solution4/src/main/resources/templates/list.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 : ${persons}">
+        <td th:text="${person.id}">1</td>
+        <td th:text="${person.name}">John Doe</td>
+        <td>
+            <a href="edit.html" th:href="@{/edit(id=${person.id})}">Edit</a>
+        </td>
+    </tr>
+    </tbody>
+</table>
+</body>
+</html>