Add Repository and Service

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/repository/BaseRepository.java

@@ -0,0 +1,10 @@
+package com.cubetiqs.demo.repository;
+
+import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.data.repository.NoRepositoryBean;
+
+import java.io.Serializable;
+
+@NoRepositoryBean
+public interface BaseRepository<T, ID extends Serializable> extends JpaRepository<T, ID> {
+}

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

@@ -1,10 +1,9 @@
 package com.cubetiqs.demo.repository;
 
 import com.cubetiqs.demo.domain.PostEntity;
-import org.springframework.data.jpa.repository.JpaRepository;
 import org.springframework.stereotype.Repository;
 
 @Repository
-public interface PostRepository extends JpaRepository<PostEntity, Long> {
+public interface PostRepository extends BaseRepository<PostEntity, Long> {
     
 }

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

@@ -1,10 +1,9 @@
 package com.cubetiqs.demo.repository;
 
 import com.cubetiqs.demo.domain.UserEntity;
-import org.springframework.data.jpa.repository.JpaRepository;
 import org.springframework.stereotype.Repository;
 
 @Repository
-public interface UserRepository extends JpaRepository<UserEntity, Long> {
+public interface UserRepository extends BaseRepository<UserEntity, Long> {
         
 }

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

@@ -0,0 +1,27 @@
+package com.cubetiqs.demo.rest;
+
+import com.cubetiqs.demo.domain.PostEntity;
+import com.cubetiqs.demo.service.PostService;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.data.domain.Pageable;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+import java.util.List;
+
+@RestController
+@RequestMapping(path = {"/posts"})
+public class PostController {
+    private final PostService postService;
+
+    @Autowired
+    public PostController(PostService postService) {
+        this.postService = postService;
+    }
+
+    @GetMapping
+    public List<PostEntity> getAllPosts(Pageable pageable) {
+        return postService.findAll();
+    }
+}

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

@@ -4,7 +4,6 @@ import com.cubetiqs.demo.domain.UserEntity;
 import com.cubetiqs.demo.repository.UserRepository;
 import com.cubetiqs.demo.service.UserService;
 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;
@@ -27,7 +26,7 @@ public class UserController {
 
     @GetMapping
     public List<UserEntity> getAllUsers(Pageable pageable) {
-        return userService.findAllUsers();
+        return userService.findAll();
     }
 
     @GetMapping("/{id}")

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

@@ -0,0 +1,13 @@
+package com.cubetiqs.demo.service;
+
+import com.cubetiqs.demo.repository.BaseRepository;
+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();
+    List<T> findAll();
+}

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

@@ -0,0 +1,14 @@
+package com.cubetiqs.demo.service;
+
+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();
+    }
+}

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 +1,22 @@
+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.stereotype.Service;
+
+@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;
+    }
+}

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

@@ -3,9 +3,7 @@ package com.cubetiqs.demo.service;
 import com.cubetiqs.demo.domain.UserEntity;
 import org.springframework.stereotype.Service;
 
-import java.util.List;
-
 @Service
-public interface UserService {
+public interface UserService extends BaseService<UserEntity, Long> {
-    List<UserEntity> findAllUsers();
+
 }

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

@@ -1,14 +1,13 @@
 package com.cubetiqs.demo.service;
 
 import com.cubetiqs.demo.domain.UserEntity;
+import com.cubetiqs.demo.repository.BaseRepository;
 import com.cubetiqs.demo.repository.UserRepository;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
 
-import java.util.List;
-
 @Service
-public class UserServiceImpl implements UserService {
+public class UserServiceImpl extends BaseServiceImpl<UserEntity, Long> implements UserService {
     private final UserRepository userRepository;
 
     @Autowired
@@ -17,7 +16,7 @@ public class UserServiceImpl implements UserService {
     }
 
     @Override
-    public List<UserEntity> findAllUsers() {
+    public BaseRepository<UserEntity, Long> getRepository() {
-        return userRepository.findAll();
+        return userRepository;
     }
 }