Added CRUD for 'Client' entity. Added common templates and demo data populator.

.gitignore

@@ -1,15 +1,6 @@
-# Compiled class file
-*.class
-
 # Log file
 *.log
 
-# BlueJ files
-*.ctxt
-
-# Mobile Tools for Java (J2ME)
-.mtj.tmp/
-
 # Package Files #
 *.jar
 *.war

pom.xml

@@ -46,11 +46,6 @@
 			<groupId>org.liquibase</groupId>
 			<artifactId>liquibase-core</artifactId>
 		</dependency>
-		<dependency>
-			<groupId>org.liquibase</groupId>
-			<artifactId>liquibase-maven-plugin</artifactId>
-			<version>3.5.3</version>
-		</dependency>
 
 		<dependency>
 			<groupId>mysql</groupId>
@@ -63,6 +58,12 @@
 			<scope>test</scope>
 		</dependency>
 
+		<dependency>
+			<groupId>com.github.javafaker</groupId>
+			<artifactId>javafaker</artifactId>
+			<version>0.15</version>
+		</dependency>
+
 		<dependency>
 			<groupId>org.webjars</groupId>
 			<artifactId>bootstrap</artifactId>
@@ -80,7 +81,7 @@
 			<plugin>
 				<groupId>org.liquibase</groupId>
 				<artifactId>liquibase-maven-plugin</artifactId>
-				<version>3.5.3</version>
+				<version>3.6.2</version>
 				<configuration>
 					<propertyFile>src/main/resources/liquibase.properties</propertyFile>
 				</configuration>

src/main/java/com/github/prominence/carrepair/CarRepairApplication.java

@@ -10,8 +10,10 @@ import org.springframework.data.jpa.repository.config.EnableJpaRepositories;
 @SpringBootApplication
 public class CarRepairApplication {
 
-	public static void main(String[] args) {
-		SpringApplication.run(CarRepairApplication.class, args);
-	}
+    public static void main(String[] args) {
+        SpringApplication.run(CarRepairApplication.class, args);
+    }
 
-}
+}
+// TODO: logging
+// TODO: DTO

src/main/java/com/github/prominence/carrepair/controller/ClientController.java

@@ -1,16 +1,87 @@
 package com.github.prominence.carrepair.controller;
 
+import com.github.prominence.carrepair.model.Client;
+import com.github.prominence.carrepair.service.ClientService;
+import org.springframework.data.domain.Page;
+import org.springframework.data.domain.Pageable;
+import org.springframework.http.ResponseEntity;
 import org.springframework.stereotype.Controller;
 import org.springframework.ui.Model;
-import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.ui.ModelMap;
+import org.springframework.validation.BindingResult;
+import org.springframework.web.bind.annotation.*;
+
+import javax.validation.Valid;
+import java.util.Optional;
 
 @Controller
 @RequestMapping("/client")
 public class ClientController {
 
-    @RequestMapping
-    public String index(Model model) {
+    private ClientService clientService;
+
+    public ClientController(ClientService clientService) {
+        this.clientService = clientService;
+    }
+
+    @GetMapping
+    public String index(ModelMap modelMap) {
+        Page<Client> clientList = clientService.findAll((Pageable) modelMap.get("pagination"));
+
+        modelMap.addAttribute("clientList", clientList.getContent());
+        modelMap.addAttribute("totalPages", clientList.getTotalPages());
 
         return "client/index";
     }
+
+    @GetMapping(value = "/create")
+    public String create(Model model) {
+        model.addAttribute("client", new Client());
+
+        return "client/edit";
+    }
+
+    @GetMapping(value = "/edit/{id}")
+    public String edit(@PathVariable Long id, Model model) {
+        Optional<Client> clientOptional = clientService.findById(id);
+        if (clientOptional.isPresent()) {
+            model.addAttribute("client", clientOptional.get());
+            return "client/edit";
+        } else {
+            // TODO: need to show warning
+            return "redirect:/client";
+        }
+    }
+
+    @PostMapping(value = "/update/{id}")
+    public String update(@Valid Client client, BindingResult bindingResult, @PathVariable long id) {
+        if (bindingResult.hasErrors()) {
+            client.setId(id); // why should we do this?
+            return "client/edit";
+        }
+
+        clientService.save(client);
+        return "redirect:/client";
+    }
+
+    @PostMapping(value = "/create")
+    public String save(@Valid Client client, BindingResult bindingResult) {
+        if (bindingResult.hasErrors()) {
+            return "client/edit";
+        }
+
+        clientService.save(client);
+        return "redirect:/client";
+    }
+
+    @DeleteMapping(value = "/delete/{id}")
+    public ResponseEntity delete(@PathVariable Long id) {
+        boolean deleteSuccess = clientService.deleteClientById(id);
+
+        if (deleteSuccess) {
+            return ResponseEntity.ok().build();
+        } else {
+            return ResponseEntity.notFound().build();
+        }
+    }
 }

src/main/java/com/github/prominence/carrepair/controller/advice/PaginationAdvice.java

@@ -0,0 +1,24 @@
+package com.github.prominence.carrepair.controller.advice;
+
+import org.springframework.data.domain.PageRequest;
+import org.springframework.data.domain.Pageable;
+import org.springframework.ui.Model;
+import org.springframework.web.bind.annotation.ControllerAdvice;
+import org.springframework.web.bind.annotation.ModelAttribute;
+import org.springframework.web.bind.annotation.RequestParam;
+
+@ControllerAdvice
+public class PaginationAdvice {
+
+    private static final int DEFAULT_PAGE_SIZE = 10;
+
+    @ModelAttribute("pagination")
+    public void addPagination(@RequestParam(required = false) Integer size, @RequestParam(required = false) Integer page, Model model) {
+        final int pageValue = page == null ? 0 : page;
+        final int sizeValue = size == null ? DEFAULT_PAGE_SIZE : size;
+        Pageable pagination = PageRequest.of(pageValue, sizeValue);
+
+        model.addAttribute("pagination", pagination);
+        model.addAttribute("page", pageValue);
+    }
+}

src/main/java/com/github/prominence/carrepair/demo/DemoDataPopulator.java

@@ -0,0 +1,37 @@
+package com.github.prominence.carrepair.demo;
+
+import com.github.javafaker.Faker;
+import com.github.prominence.carrepair.model.Client;
+import com.github.prominence.carrepair.repository.ClientRepository;
+import org.springframework.boot.CommandLineRunner;
+import org.springframework.context.annotation.Bean;
+import org.springframework.stereotype.Component;
+
+import java.util.List;
+import java.util.stream.Collectors;
+import java.util.stream.Stream;
+
+@Component
+public class DemoDataPopulator {
+    private static final int COUNT = 10;
+
+    @Bean
+    public CommandLineRunner demoData(ClientRepository clientRepository) {
+        Faker faker = new Faker();
+
+        List<Client> demoClientList = Stream.generate(() -> {
+            Client client = new Client();
+            client.setFirstName(faker.name().firstName());
+            client.setLastName(faker.name().lastName());
+            client.setMiddleName(faker.name().username());
+            client.setPhoneNo(faker.phoneNumber().phoneNumber());
+            System.out.println(client); // demo output
+            return client;
+        }).limit(COUNT).collect(Collectors.toList());
+
+        return args -> {
+            demoClientList.forEach(clientRepository::save);
+        };
+    }
+
+}

src/main/java/com/github/prominence/carrepair/model/Client.java

@@ -3,11 +3,14 @@ package com.github.prominence.carrepair.model;
 import javax.persistence.Column;
 import javax.persistence.Entity;
 import javax.persistence.Table;
+import javax.validation.constraints.Size;
+import java.util.Objects;
 
 @Entity
 @Table(name = "client")
 public class Client extends Person {
 
+    @Size(max = 32)
     @Column(name = "phoneNo")
     private String phoneNo;
 
@@ -26,4 +29,29 @@ public class Client extends Person {
     public void setPhoneNo(String phoneNo) {
         this.phoneNo = phoneNo;
     }
+
+    @Override
+    public boolean equals(Object o) {
+        if (this == o) return true;
+        if (!(o instanceof Client)) return false;
+        if (!super.equals(o)) return false;
+        Client client = (Client) o;
+        return Objects.equals(phoneNo, client.phoneNo);
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(super.hashCode(), phoneNo);
+    }
+
+    @Override
+    public String toString() {
+        return "Client{" +
+                "id=" + id +
+                ", firstName='" + firstName + '\'' +
+                ", middleName='" + middleName + '\'' +
+                ", lastName='" + lastName + '\'' +
+                ", phoneNo='" + phoneNo + '\'' +
+                '}';
+    }
 }

src/main/java/com/github/prominence/carrepair/model/Person.java

@@ -2,24 +2,29 @@ package com.github.prominence.carrepair.model;
 
 import javax.persistence.*;
 import javax.validation.constraints.NotNull;
+import javax.validation.constraints.Size;
+import java.util.Objects;
 
 @MappedSuperclass
 abstract public class Person {
 
     @Id
     @GeneratedValue(strategy = GenerationType.IDENTITY)
-    private long id;
+    protected long id;
 
     @NotNull
+    @Size(max = 64)
     @Column(name = "firstName")
-    private String firstName;
+    protected String firstName;
 
+    @Size(max = 64)
     @Column(name = "middleName")
-    private String middleName;
+    protected String middleName;
 
     @NotNull
+    @Size(max = 64)
     @Column(name = "lastName")
-    private String lastName;
+    protected String lastName;
 
     public Person(String firstName, String middleName, String lastName) {
         this.firstName = firstName;
@@ -61,4 +66,20 @@ abstract public class Person {
     public void setLastName(String lastName) {
         this.lastName = lastName;
     }
+
+    @Override
+    public boolean equals(Object o) {
+        if (this == o) return true;
+        if (!(o instanceof Person)) return false;
+        Person person = (Person) o;
+        return id == person.id &&
+                Objects.equals(firstName, person.firstName) &&
+                Objects.equals(middleName, person.middleName) &&
+                Objects.equals(lastName, person.lastName);
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(id, firstName, middleName, lastName);
+    }
 }

src/main/java/com/github/prominence/carrepair/service/ClientService.java

@@ -0,0 +1,40 @@
+package com.github.prominence.carrepair.service;
+
+import com.github.prominence.carrepair.model.Client;
+import com.github.prominence.carrepair.repository.ClientRepository;
+import org.springframework.data.domain.Page;
+import org.springframework.data.domain.Pageable;
+import org.springframework.stereotype.Service;
+
+import java.util.Optional;
+
+@Service
+public class ClientService {
+
+    private ClientRepository clientRepository;
+
+    public ClientService(ClientRepository clientRepository) {
+        this.clientRepository = clientRepository;
+    }
+
+    public Page<Client> findAll(Pageable pageable) {
+        return clientRepository.findAll(pageable);
+    }
+
+    public Optional<Client> findById(Long id) {
+        return clientRepository.findById(id);
+    }
+
+    public Client save(Client client) {
+        return clientRepository.save(client);
+    }
+
+    public boolean deleteClientById(Long id) {
+        try {
+            clientRepository.deleteById(id);
+            return true;
+        } catch (Exception e) {
+            return false;
+        }
+    }
+}

src/main/resources/static/css/main.css

@@ -1,2 +1,6 @@
 body {
+}
+
+.fieldError {
+    border: 1px solid red;
 }

src/main/resources/templates/client/edit.html

@@ -0,0 +1,50 @@
+<!doctype html>
+<html lang="en" xmlns:th="http://www.thymeleaf.org" xmlns:layout="http://www.ultraq.net.nz/thymeleaf/layout"
+      layout:decorate="~{main}">
+<head>
+    <title th:text="#{default.title}"></title>
+</head>
+<body>
+<div layout:fragment="content">
+    <h1 th:text="#{client.title}"></h1>
+
+    <form th:action="'/client/' + ${client.id != null ? 'update/' + client.id : 'create'}" th:object="${client}" method="post">
+        <div class="form-group row">
+            <label for="clientFirstName" class="col-sm-2 col-form-label">First Name</label>
+            <div class="col-sm-10">
+                <input type="text" name="firstName" class="form-control" id="clientFirstName" th:field="*{firstName}" th:errorclass="fieldError" th:value="${client.firstName}">
+                <div th:replace="common::errors('firstName')"></div>
+            </div>
+        </div>
+        <div class="form-group row">
+            <label for="clientMiddleName" class="col-sm-2 col-form-label">Middle Name</label>
+            <div class="col-sm-10">
+                <input type="text" name="middleName" class="form-control" id="clientMiddleName" th:field="*{middleName}" th:errorclass="fieldError" th:value="${client.middleName}">
+                <div th:replace="common::errors('middleName')"></div>
+            </div>
+        </div>
+        <div class="form-group row">
+            <label for="clientLastName" class="col-sm-2 col-form-label">Last Name</label>
+            <div class="col-sm-10">
+                <input type="text" name="lastName" class="form-control" id="clientLastName" th:field="*{lastName}" th:errorclass="fieldError" th:value="${client.lastName}">
+                <div th:replace="common::errors('lastName')"></div>
+            </div>
+        </div>
+        <div class="form-group row">
+            <label for="clientPhoneNo" class="col-sm-2 col-form-label">Phone No</label>
+            <div class="col-sm-10">
+                <input type="text" name="phoneNo" class="form-control" id="clientPhoneNo" th:field="*{phoneNo}" th:errorclass="fieldError" th:value="${client.phoneNo}">
+                <div th:replace="common::errors('phoneNo')"></div>
+            </div>
+        </div>
+        <div class="form-group row pull-right">
+            <div class="col-sm-12">
+                <a href="/client" class="btn btn-default">Back</a>
+                <button type="submit" class="btn btn-primary">Save</button>
+            </div>
+        </div>
+    </form>
+</div>
+
+</body>
+</html>

src/main/resources/templates/client/index.html

@@ -3,11 +3,58 @@
       layout:decorate="~{main}">
 <head>
     <title th:text="#{default.title}"></title>
+
+    <script th:inline="javascript">
+        function deleteClientById(id) {
+            const confirmationResult = confirm("Are you sure to delete?");
+            if (confirmationResult) {
+                const url = /*[[@{/client/delete/}]]*/;
+
+                $.ajax({
+                    url: url + id,
+                    type: 'DELETE',
+                    success: function () {
+                        $('#client-row-' + id).remove();
+                    }
+                });
+            }
+        }
+    </script>
 </head>
 <body>
 <div layout:fragment="content">
     <h1 th:text="#{client.title}"></h1>
 
+    <div  class="pull-right">
+        <a class="btn btn-success" th:href="@{/client/create}">Create</a>
+    </div>
+
+    <table class="table table-striped table-hover">
+        <thead>
+        <tr>
+            <th>First Name</th>
+            <th>Middle Name</th>
+            <th>Last Name</th>
+            <th>Phone No</th>
+            <th>&nbsp;</th>
+        </tr>
+        </thead>
+        <tbody>
+        <tr th:each="client : ${clientList}" th:id="'client-row-' + ${client.id}">
+            <td th:text="${client.firstName}"></td>
+            <td th:text="${client.middleName}"></td>
+            <td th:text="${client.lastName}"></td>
+            <td th:text="${client.phoneNo}"></td>
+            <td>
+                <div class="btn-group pull-right">
+                    <a th:href="@{/client/edit/{id}(id=${client.id})}" class="btn btn-default">Edit</a>
+                    <button type="button" class="btn btn-danger" th:onclick="'deleteClientById(' + ${client.id} + ')'">Delete</button>
+                </div>
+            </td>
+        </tr>
+        </tbody>
+    </table>
+    <div th:replace="common::pagination(@{/client/}, ${page}, ${totalPages})"></div>
 </div>
 
 </body>

src/main/resources/templates/common.html

@@ -0,0 +1,20 @@
+<!doctype html>
+<html xmlns="http://www.w3.org/1999/xhtml"
+      xmlns:th="http://www.thymeleaf.org">
+<body>
+    <div th:fragment="pagination(baseUrl, currentPage, totalPages)">
+        <ul class="pagination pagination-small" th:if="${totalPages > 1}">
+            <th:block th:each="page : ${#numbers.sequence(0, totalPages - 1, 1)}" th:if="${page == 0 || page == totalPages - 1 || (page >= currentPage - 2  && page <= currentPage + 2)}">
+                <li class="disabled" th:if="${(page == currentPage - 2 && currentPage > 3) || (page == totalPages - 1 && currentPage < totalPages - 3)}"><a href="javascript:void(0);">...</a></li>
+                <li th:classappend="${currentPage == page ? 'active' : ''}"><a th:href="${page == 0 ? baseUrl : '?page=' + page}" th:text="${page + 1}"></a></li>
+            </th:block>
+        </ul>
+    </div>
+
+    <div th:fragment="errors(fieldName)" th:if="${#fields.hasErrors(fieldName)}">
+        <ul>
+            <li th:each="err : ${#fields.errors(fieldName)}" th:text="${err}"></li>
+        </ul>
+    </div>
+</body>
+</html>

src/main/resources/templates/main.html

@@ -51,6 +51,7 @@
 </footer>
 
 <div>
+    <script src="/webjars/jquery/3.3.1/jquery.min.js"></script>
     <script src="/webjars/bootstrap/3.4.0/js/bootstrap.min.js"></script>
 </div>