Remove configs

.gitignore

@@ -5,6 +5,9 @@ build/
 !**/src/main/**
 !**/src/test/**
 
+application-mysql.yml
+application-postgres.yml
+
 ### STS ###
 .apt_generated
 .classpath

README.md

@@ -0,0 +1,8 @@
+### Backend Classrom Demo
+CUBETIQ Backend Training
+
+### TODO
+- [x] Entity
+- [x] Repository
+- [ ] Service
+- [x] Controller

build.gradle

@@ -13,11 +13,14 @@ repositories {
 }
 
 dependencies {
+    implementation 'org.springframework.boot:spring-boot-starter-thymeleaf'
+
     implementation 'org.springframework.boot:spring-boot-starter-data-jpa'
     implementation 'org.springframework.boot:spring-boot-starter-web'
     implementation 'io.springfox:springfox-swagger2:2.9.2'
     implementation 'io.springfox:springfox-swagger-ui:2.9.2'
 
+    runtimeOnly 'mysql:mysql-connector-java'
     runtimeOnly 'org.postgresql:postgresql'
     compileOnly 'org.projectlombok:lombok'
     annotationProcessor 'org.projectlombok:lombok'

homework/Home.md

@@ -0,0 +1,5 @@
+### Homework
+
+- [ ] Create project all functions from start
+- [ ] Add functions into BaseService (CRUD)
+- [ ] Create BaseController

src/main/java/com/cubetiqs/demo/Constants.java

@@ -0,0 +1,5 @@
+package com.cubetiqs.demo;
+
+public final class Constants {
+    public static final String STATUS = "status";
+}

src/main/java/com/cubetiqs/demo/DemoApplication.java

@@ -1,13 +1,24 @@
 package com.cubetiqs.demo;
 
+import com.cubetiqs.demo.domain.UserEntity;
+import com.cubetiqs.demo.rest.UserController;
+import org.springframework.boot.CommandLineRunner;
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
 
+import java.io.File;
+
 @SpringBootApplication
-public class DemoApplication {
+public class DemoApplication implements CommandLineRunner {
 
 	public static void main(String[] args) {
 			SpringApplication.run(DemoApplication.class, args);
 	}
 
+
+	@Override
+	public void run(String... args) throws Exception {
+		UserEntity userEntity = new UserEntity();
+		userEntity.setEmail("a@gm.com");
+	}
 }

src/main/java/com/cubetiqs/demo/config/BaseRepositoryConfig.java

@@ -0,0 +1,10 @@
+package com.cubetiqs.demo.config;
+
+import com.cubetiqs.demo.repository.BaseRepositoryImpl;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.data.jpa.repository.config.EnableJpaRepositories;
+
+@Configuration
+@EnableJpaRepositories(repositoryBaseClass = BaseRepositoryImpl.class, basePackages = "com.cubetiqs.demo.repository")
+public class BaseRepositoryConfig {
+}

src/main/java/com/cubetiqs/demo/domain/BaseEntity.java

@@ -0,0 +1,60 @@
+package com.cubetiqs.demo.domain;
+
+import com.cubetiqs.demo.Constants;
+import org.springframework.data.domain.Persistable;
+
+import javax.persistence.*;
+import java.io.Serializable;
+import java.util.Date;
+
+@MappedSuperclass
+public class BaseEntity<ID extends Serializable> implements Serializable, Persistable<ID> {
+    @Id
+    @GeneratedValue(strategy = GenerationType.AUTO)
+    private ID id;
+
+    @Column(name = "created_date", updatable = false)
+    @Temporal(TemporalType.TIMESTAMP)
+    private Date createdDate;
+
+    @Column(name = Constants.STATUS)
+    @Enumerated(EnumType.ORDINAL)
+    private Status status;
+
+    public void setId(ID id) {
+        this.id = id;
+    }
+
+    @Override
+    public ID getId() {
+        return id;
+    }
+
+    @Override
+    public boolean isNew() {
+        return id == null;
+    }
+
+    public Date getCreatedDate() {
+        return createdDate;
+    }
+
+    public void setCreatedDate(Date createdDate) {
+        this.createdDate = createdDate;
+    }
+
+    public void setStatus(Status status) {
+        this.status = status;
+    }
+
+    public Status getStatus() {
+        return status;
+    }
+
+    @PrePersist
+    public void beforeSave() {
+        if (createdDate == null) {
+            createdDate = new Date();
+        }
+    }
+}

src/main/java/com/cubetiqs/demo/domain/CommentEntity.java

@@ -0,0 +1,27 @@
+package com.cubetiqs.demo.domain;
+
+import lombok.AllArgsConstructor;
+import lombok.Data;
+import lombok.EqualsAndHashCode;
+import lombok.NoArgsConstructor;
+
+import javax.persistence.*;
+
+@Entity
+@Table(name = "comments")
+@EqualsAndHashCode(callSuper = true)
+@Data
+@NoArgsConstructor
+@AllArgsConstructor
+public class CommentEntity extends BaseEntity<Long> {
+    @Column(columnDefinition = "TEXT")
+    private String contents;
+
+    @ManyToOne(fetch = FetchType.EAGER, cascade = {CascadeType.REFRESH, CascadeType.DETACH})
+    @JoinColumn(name = "post_id")
+    private PostEntity post;
+
+    @ManyToOne(fetch = FetchType.EAGER, cascade = {CascadeType.REFRESH, CascadeType.DETACH})
+    @JoinColumn(name = "user_id")
+    private UserEntity user;
+}

src/main/java/com/cubetiqs/demo/domain/PostEntity.java

@@ -0,0 +1,31 @@
+package com.cubetiqs.demo.domain;
+
+import lombok.AllArgsConstructor;
+import lombok.Data;
+import lombok.EqualsAndHashCode;
+import lombok.NoArgsConstructor;
+
+import javax.persistence.*;
+import java.util.Collection;
+
+@Entity
+@Table(name = "posts")
+@EqualsAndHashCode(callSuper = true)
+@Data
+@NoArgsConstructor
+@AllArgsConstructor
+public class PostEntity extends BaseEntity<Long> {
+    @Column
+    private String title;
+
+    @Column(columnDefinition = "TEXT")
+    private String contents;
+
+    @ManyToOne(fetch = FetchType.EAGER, cascade = {CascadeType.REFRESH, CascadeType.DETACH})
+    @JoinColumn(name = "user_id")
+    private UserEntity user;
+
+    @OneToMany(mappedBy = "post", fetch = FetchType.EAGER, cascade = {CascadeType.ALL}, orphanRemoval = true)
+    private Collection<CommentEntity> comments;
+}
+

src/main/java/com/cubetiqs/demo/domain/Product.java

@@ -1,20 +0,0 @@
-package com.cubetiqs.demo.domain;
-
-import lombok.*;
-
-import javax.persistence.*;
-import java.math.BigDecimal;
-
-@Entity
-@Table(name = "products")
-@Data
-@NoArgsConstructor
-@AllArgsConstructor
-public class Product {
-    @Id
-    @GeneratedValue(strategy = GenerationType.AUTO)
-    private Long id;
-    private String name;
-    private BigDecimal price;
-    private Boolean deleted;
-}

src/main/java/com/cubetiqs/demo/domain/Status.java

@@ -0,0 +1,6 @@
+package com.cubetiqs.demo.domain;
+
+public enum Status {
+    ACTIVE,
+    DEACTIVE
+}

src/main/java/com/cubetiqs/demo/domain/UserEntity.java

@@ -0,0 +1,21 @@
+package com.cubetiqs.demo.domain;
+
+import lombok.*;
+
+import javax.persistence.Column;
+import javax.persistence.Entity;
+import javax.persistence.Table;
+
+@Entity
+@Table(name = "users")
+@EqualsAndHashCode(callSuper = true)
+@Data
+@NoArgsConstructor
+@AllArgsConstructor
+public class UserEntity extends BaseEntity<Long> {
+    @Column(name = "email", length = 100, unique = true, nullable = false)
+    private String email;
+
+    @Column(length = 100)
+    private String password;
+}

src/main/java/com/cubetiqs/demo/domain/view/UserView.java

@@ -0,0 +1,20 @@
+package com.cubetiqs.demo.domain.view;
+
+import com.fasterxml.jackson.annotation.JsonPropertyOrder;
+import lombok.AllArgsConstructor;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+import java.io.Serializable;
+
+@Data
+@NoArgsConstructor
+@AllArgsConstructor
+@JsonPropertyOrder(value = {
+        "email",
+        "id"
+})
+public class UserView implements Serializable {
+    private Long id;
+    private String email;
+}

src/main/java/com/cubetiqs/demo/repository/BaseRepository.java

@@ -0,0 +1,12 @@
+package com.cubetiqs.demo.repository;
+
+import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.data.repository.NoRepositoryBean;
+
+import java.io.Serializable;
+import java.util.List;
+
+@NoRepositoryBean
+public interface BaseRepository<T, ID extends Serializable> extends JpaRepository<T, ID> {
+    List<T> findAllActives();
+}

src/main/java/com/cubetiqs/demo/repository/BaseRepositoryImpl.java

@@ -0,0 +1,30 @@
+package com.cubetiqs.demo.repository;
+
+import com.cubetiqs.demo.Constants;
+import com.cubetiqs.demo.domain.Status;
+import org.springframework.data.jpa.domain.Specification;
+import org.springframework.data.jpa.repository.support.JpaEntityInformation;
+import org.springframework.data.jpa.repository.support.SimpleJpaRepository;
+import org.springframework.data.repository.NoRepositoryBean;
+
+import javax.persistence.EntityManager;
+import java.io.Serializable;
+import java.util.List;
+
+@NoRepositoryBean
+public class BaseRepositoryImpl<T, ID extends Serializable>
+        extends SimpleJpaRepository<T, ID>
+        implements BaseRepository<T, ID> {
+    private final EntityManager entityManager;
+    public BaseRepositoryImpl(JpaEntityInformation<T, ?> entityInformation, EntityManager entityManager) {
+        super(entityInformation, entityManager);
+        this.entityManager = entityManager;
+    }
+
+    @Override
+    public List<T> findAllActives() {
+        Specification<T> specification = (Specification<T>) (root, query, criteriaBuilder) ->
+                criteriaBuilder.equal(root.get(Constants.STATUS), Status.ACTIVE);
+        return findAll(specification);
+    }
+}

src/main/java/com/cubetiqs/demo/repository/CommentRepository.java

@@ -0,0 +1,10 @@
+package com.cubetiqs.demo.repository;
+
+import com.cubetiqs.demo.domain.CommentEntity;
+import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.stereotype.Repository;
+
+@Repository
+public interface CommentRepository extends JpaRepository<CommentEntity, Long> {
+    
+}

src/main/java/com/cubetiqs/demo/repository/PostRepository.java

@@ -0,0 +1,10 @@
+package com.cubetiqs.demo.repository;
+
+import com.cubetiqs.demo.domain.PostEntity;
+import org.springframework.stereotype.Repository;
+
+
+@Repository
+public interface PostRepository extends BaseRepository<PostEntity, Long> {
+
+}

src/main/java/com/cubetiqs/demo/repository/ProductRepository.java

@@ -1,8 +0,0 @@
-package com.cubetiqs.demo.repository;
-
-import com.cubetiqs.demo.domain.Product;
-import org.springframework.data.jpa.repository.JpaRepository;
-
-public interface ProductRepository extends JpaRepository<Product, Long> {
-
-}

src/main/java/com/cubetiqs/demo/repository/UserRepository.java

@@ -0,0 +1,23 @@
+package com.cubetiqs.demo.repository;
+
+import com.cubetiqs.demo.domain.UserEntity;
+import org.springframework.data.domain.Page;
+import org.springframework.data.domain.Pageable;
+import org.springframework.data.jpa.repository.Query;
+import org.springframework.stereotype.Repository;
+
+import java.util.Optional;
+
+@Repository
+public interface UserRepository extends BaseRepository<UserEntity, Long> {
+    Optional<UserEntity> findFirstByEmail(String email);
+
+    @Query(value = "select * from users u where u.email = ?1", nativeQuery = true)
+    Optional<UserEntity> fetchFirstByEmail(String email);
+
+    @Query(value = "select * from users u", nativeQuery = true)
+    Page<UserEntity> fetchAllUsers(Pageable pageable);
+
+    @Query(value = "select * from users u where lower(u.email) like ?1", nativeQuery = true)
+    Page<UserEntity> searchByEmail(String likeEmail, Pageable pageable);
+}

src/main/java/com/cubetiqs/demo/rest/PostController.java

@@ -0,0 +1,33 @@
+package com.cubetiqs.demo.rest;
+
+import com.cubetiqs.demo.service.PostService;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.data.domain.Pageable;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RequestParam;
+import org.springframework.web.bind.annotation.RestController;
+
+@RestController
+@RequestMapping(path = {"/posts"})
+public class PostController {
+    private final PostService postService;
+
+    @Autowired
+    public PostController(PostService postService) {
+        this.postService = postService;
+    }
+
+    @GetMapping
+    public ResponseEntity<Object> getAllPosts(
+            Pageable pageable,
+            @RequestParam(value = "view", defaultValue = "list") String viewType,
+            @RequestParam(value = "q", defaultValue = "") String q
+    ) {
+        if ("list".equalsIgnoreCase(viewType)) {
+            return ResponseEntity.ok(postService.findAllActives());
+        }
+        return ResponseEntity.ok(postService.findAll(pageable));
+    }
+}

src/main/java/com/cubetiqs/demo/rest/ProductController.java

@@ -1,34 +0,0 @@
-package com.cubetiqs.demo.rest;
-
-import com.cubetiqs.demo.domain.Product;
-import com.cubetiqs.demo.repository.ProductRepository;
-import org.springframework.beans.factory.annotation.Autowired;
-import org.springframework.web.bind.annotation.*;
-
-import java.util.List;
-
-@RestController
-@RequestMapping(path = "/products")
-public class ProductController {
-    private final ProductRepository productRepository;
-
-    @Autowired
-    public ProductController(ProductRepository productRepository) {
-        this.productRepository = productRepository;
-    }
-
-    @RequestMapping(method = {RequestMethod.GET})
-    public List<Product> getAllProducts() {
-        return productRepository.findAll();
-    }
-
-    @GetMapping("/{id}")
-    public Product getOneProduct(@PathVariable Long id) {
-        return productRepository.findById(id).orElse(null);
-    }
-
-    @PostMapping
-    public Product createProduct(@RequestBody Product item) {
-        return productRepository.save(item);
-    }
-}

src/main/java/com/cubetiqs/demo/rest/UserController.java

@@ -0,0 +1,102 @@
+package com.cubetiqs.demo.rest;
+
+import com.cubetiqs.demo.domain.UserEntity;
+import com.cubetiqs.demo.domain.view.UserView;
+import com.cubetiqs.demo.repository.UserRepository;
+import com.cubetiqs.demo.service.UserNotFoundException;
+import com.cubetiqs.demo.service.UserService;
+import com.cubetiqs.demo.util.StringUtils;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.data.domain.Page;
+import org.springframework.data.domain.Pageable;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.*;
+
+import java.util.List;
+import java.util.Optional;
+
+
+@RestController
+@RequestMapping(path = {"/users"})
+public class UserController {
+    private final UserRepository userRepository;
+    private final UserService userService;
+
+    @Autowired
+    public UserController(UserRepository userRepository, UserService userService) {
+        this.userRepository = userRepository;
+        this.userService = userService;
+    }
+
+    @GetMapping
+    public List<UserEntity> getAllUsers(Pageable pageable) {
+        return userService.findAllActives();
+    }
+
+    @GetMapping("/searchByEmail")
+    public Page<UserView> searchByEmail(
+            Pageable pageable,
+            @RequestParam(value = "q", defaultValue = "") String q
+    ) {
+        return userService.searchByEmailAsView(StringUtils.stringQuery(q), pageable);
+    }
+
+    @GetMapping("/allUsers")
+    public Page<UserEntity> fetchAllUsers(Pageable pageable) {
+        return userRepository.fetchAllUsers(Pageable.unpaged());
+    }
+
+    @GetMapping("/findByEmail/{email}")
+    public ResponseEntity<Object> getUserById(
+            @PathVariable String email
+    ) {
+        try {
+            return ResponseEntity.ok(userService.findByEmail(email));
+        } catch (UserNotFoundException ex) {
+            return ResponseEntity.status(HttpStatus.NOT_FOUND).body(ex.getMessage());
+        }
+    }
+
+    @GetMapping("/{id}")
+    public UserEntity getUserById(
+            @PathVariable Long id
+    ) {
+        return userRepository.findById(id).orElse(null);
+    }
+
+    @PostMapping
+    public UserEntity createUser(
+            @RequestBody UserEntity user
+    ) {
+        return userRepository.save(user);
+    }
+
+    @PutMapping("/{id}")
+    public UserEntity updateUser(
+            @PathVariable Long id,
+            @RequestBody UserEntity user
+    ) {
+        Optional<UserEntity> userEntityOptional = userRepository.findById(id);
+        if(userEntityOptional.isPresent()) {
+            // found
+            user.setId(id);
+            return userRepository.save(user);
+        } else {
+            return null;
+        }
+    }
+
+    @DeleteMapping("/{id}")
+    public ResponseEntity<Object> deleteUser(
+            @PathVariable Long id
+    ) {
+        Optional<UserEntity> userEntityOptional = userRepository.findById(id);
+        if (userEntityOptional.isPresent()) {
+            userRepository.delete(userEntityOptional.get());
+            return ResponseEntity.status(HttpStatus.OK).body("user deleted");
+        } else {
+            return ResponseEntity.badRequest().body("not found");
+        }
+    }
+}

src/main/java/com/cubetiqs/demo/service/BaseService.java

@@ -0,0 +1,18 @@
+package com.cubetiqs.demo.service;
+
+import com.cubetiqs.demo.repository.BaseRepository;
+import org.springframework.data.domain.Page;
+import org.springframework.data.domain.Pageable;
+import org.springframework.data.repository.NoRepositoryBean;
+
+import java.io.Serializable;
+import java.util.List;
+
+@NoRepositoryBean
+public interface BaseService<T, ID extends Serializable> {
+    BaseRepository<T, ID> getRepository();
+    Page<T> findAll(Pageable pageable, String q);
+    Page<T> findAll(Pageable pageable);
+    List<T> findAll();
+    List<T> findAllActives();
+}

src/main/java/com/cubetiqs/demo/service/BaseServiceImpl.java

@@ -0,0 +1,26 @@
+package com.cubetiqs.demo.service;
+
+import org.springframework.data.domain.Page;
+import org.springframework.data.domain.Pageable;
+import org.springframework.data.repository.NoRepositoryBean;
+
+import java.io.Serializable;
+import java.util.List;
+
+@NoRepositoryBean
+public abstract class BaseServiceImpl<T, ID extends Serializable> implements BaseService<T, ID> {
+    @Override
+    public List<T> findAll() {
+        return getRepository().findAll();
+    }
+
+    @Override
+    public Page<T> findAll(Pageable pageable) {
+        return getRepository().findAll(pageable);
+    }
+
+    @Override
+    public List<T> findAllActives() {
+        return getRepository().findAllActives();
+    }
+}

src/main/java/com/cubetiqs/demo/service/PostService.java

@@ -0,0 +1,8 @@
+package com.cubetiqs.demo.service;
+
+import com.cubetiqs.demo.domain.PostEntity;
+import org.springframework.stereotype.Service;
+
+@Service
+public interface PostService extends BaseService<PostEntity, Long> {
+}

src/main/java/com/cubetiqs/demo/service/PostServiceImpl.java

@@ -0,0 +1,36 @@
+package com.cubetiqs.demo.service;
+
+import com.cubetiqs.demo.domain.PostEntity;
+import com.cubetiqs.demo.repository.BaseRepository;
+import com.cubetiqs.demo.repository.PostRepository;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.data.domain.Page;
+import org.springframework.data.domain.Pageable;
+import org.springframework.stereotype.Service;
+
+import java.util.List;
+
+@Service
+public class PostServiceImpl extends BaseServiceImpl<PostEntity, Long> implements PostService {
+    private final PostRepository postRepository;
+
+    @Autowired
+    public PostServiceImpl(PostRepository postRepository) {
+        this.postRepository = postRepository;
+    }
+
+    @Override
+    public BaseRepository<PostEntity, Long> getRepository() {
+        return postRepository;
+    }
+
+    @Override
+    public Page<PostEntity> findAll(Pageable pageable, String q) {
+        return null;
+    }
+
+    @Override
+    public List<PostEntity> findAllActives() {
+        return postRepository.findAllActives();
+    }
+}

src/main/java/com/cubetiqs/demo/service/UserNotFoundException.java

@@ -0,0 +1,7 @@
+package com.cubetiqs.demo.service;
+
+public class UserNotFoundException extends Exception {
+    public UserNotFoundException(String message) {
+        super(message);
+    }
+}

src/main/java/com/cubetiqs/demo/service/UserService.java

@@ -0,0 +1,14 @@
+package com.cubetiqs.demo.service;
+
+import com.cubetiqs.demo.domain.UserEntity;
+import com.cubetiqs.demo.domain.view.UserView;
+import org.springframework.data.domain.Page;
+import org.springframework.data.domain.Pageable;
+import org.springframework.stereotype.Service;
+
+@Service
+public interface UserService extends BaseService<UserEntity, Long> {
+    UserEntity findByEmail(String email) throws UserNotFoundException;
+    Page<UserEntity> searchByEmail(String email, Pageable pageable);
+    Page<UserView> searchByEmailAsView(String email, Pageable pageable);
+}

src/main/java/com/cubetiqs/demo/service/UserServiceImpl.java

@@ -0,0 +1,59 @@
+package com.cubetiqs.demo.service;
+
+import com.cubetiqs.demo.domain.UserEntity;
+import com.cubetiqs.demo.domain.view.UserView;
+import com.cubetiqs.demo.repository.BaseRepository;
+import com.cubetiqs.demo.repository.UserRepository;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.data.domain.Page;
+import org.springframework.data.domain.Pageable;
+import org.springframework.stereotype.Service;
+
+import java.util.List;
+import java.util.Optional;
+
+@Service
+public class UserServiceImpl extends BaseServiceImpl<UserEntity, Long> implements UserService {
+    private final UserRepository userRepository;
+
+    @Autowired
+    public UserServiceImpl(UserRepository userRepository) {
+        this.userRepository = userRepository;
+    }
+
+    @Override
+    public BaseRepository<UserEntity, Long> getRepository() {
+        return userRepository;
+    }
+
+    @Override
+    public Page<UserEntity> findAll(Pageable pageable, String q) {
+        return null;
+    }
+
+    @Override
+    public List<UserEntity> findAllActives() {
+        return userRepository.findAllActives();
+    }
+
+    @Override
+    public UserEntity findByEmail(String email) throws UserNotFoundException {
+        Optional<UserEntity> opt = userRepository.fetchFirstByEmail(email);
+        if (opt.isPresent()) {
+            return opt.get();
+        }
+
+        throw new UserNotFoundException("user does not exists");
+    }
+
+    @Override
+    public Page<UserEntity> searchByEmail(String email, Pageable pageable) {
+        return userRepository.searchByEmail(email, pageable);
+    }
+
+    @Override
+    public Page<UserView> searchByEmailAsView(String email, Pageable pageable) {
+        Page<UserEntity> users = userRepository.searchByEmail(email, pageable);
+        return users.map(s -> new UserView(s.getId(), s.getEmail()));
+    }
+}

src/main/java/com/cubetiqs/demo/ui/HomeController.java

@@ -0,0 +1,20 @@
+package com.cubetiqs.demo.ui;
+
+import org.springframework.stereotype.Controller;
+import org.springframework.ui.Model;
+import org.springframework.web.bind.annotation.GetMapping;
+
+@Controller
+public class HomeController {
+    @GetMapping(value = {"/index", "", "/", "/index.php"})
+    public String index(Model model) {
+        model.addAttribute("myname", "Sambo");
+        return "index";
+    }
+
+    @GetMapping(value = {"/admin/users"})
+    public String user(Model model) {
+        model.addAttribute("myname", "Sambo");
+        return "admin/users/index";
+    }
+}

src/main/java/com/cubetiqs/demo/util/StringUtils.java

@@ -0,0 +1,8 @@
+package com.cubetiqs.demo.util;
+
+public final class StringUtils {
+    public static String stringQuery(String q) {
+        return "%" + q.toLowerCase() + "%";
+    }
+}
+

src/main/resources/application-mysql.yml.example

@@ -0,0 +1,12 @@
+server:
+  port: 8081
+
+spring:
+  jpa:
+    hibernate:
+      ddl-auto: update
+  datasource:
+    driver-class-name: com.mysql.cj.jdbc.Driver
+    username: root
+    password: root
+    url: jdbc:mysql://192.168.0.150:3306/demo

src/main/resources/application-postgres.yml.example

@@ -0,0 +1,12 @@
+server:
+  port: 8081
+
+spring:
+  jpa:
+    hibernate:
+      ddl-auto: update
+  datasource:
+    driver-class-name: org.postgresql.Driver
+    username: root
+    password: root
+    url: jdbc:postgresql://${POSTGRES_HOST:192.168.0.150}:5432/demo

src/main/resources/application.yml

@@ -1,12 +1,3 @@
-server:
-  port: 8080
-
 spring:
-  jpa:
-    hibernate:
-      ddl-auto: update
-  datasource:
-    driver-class-name: org.postgresql.Driver
-    username: cubetiq
-    password: Root$
-    url: jdbc:postgresql://${POSTGRES_HOST:192.168.0.150}:5432/demo
+  profiles:
+    active: postgres

src/main/resources/static/js/main.js

@@ -0,0 +1 @@
+console.log("hello")

src/main/resources/templates/admin/users/index.html

@@ -0,0 +1,13 @@
+<!doctype html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport"
+          content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0">
+    <meta http-equiv="X-UA-Compatible" content="ie=edge">
+    <title>Document</title>
+</head>
+<body>
+    <h1>Users</h1>
+</body>
+</html>

src/main/resources/templates/index.html

@@ -0,0 +1,13 @@
+<!doctype html>
+<html lang="en" xmlns:th="http://www.thymeleaf.org">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport"
+          content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0">
+    <meta http-equiv="X-UA-Compatible" content="ie=edge">
+    <title>Index</title>
+</head>
+<body>
+    <h1 th:text="${myname}"></h1>
+</body>
+</html>