FUTURE - Tugas JPA - Nani Renova Hutagaol

src/main/java/com/example/postgresdemo/controller/TodosController.java

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+package com.example.postgresdemo.controller;
+
+import com.example.postgresdemo.exception.ResourceNotFoundException;
+import com.example.postgresdemo.model.Todos;
+import com.example.postgresdemo.repository.TodosRepository;
+import com.example.postgresdemo.repository.UsersRepository;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.*;
+
+import javax.validation.Valid;
+import java.util.List;
+
+@RestController
+public class TodosController {
+    @Autowired
+    private TodosRepository todosRepository;
+
+    @Autowired
+    private UsersRepository usersRepository;
+
+    @GetMapping("/users/{usersId}/todoList")
+    public List<Todos> getTodosByUsersId(@PathVariable Long usersId) {
+        return todosRepository.findByUsersId(usersId);
+    }
+
+    @PostMapping("/users/{usersId}/todoList")
+    public Todos createTodos(@PathVariable Long usersId, @Valid @RequestBody Todos todos) {
+        return usersRepository.findById(usersId)
+                .map(users -> {
+                    todos.setUsers(users);
+                    return todosRepository.save(todos);
+                }).orElseThrow(() -> new ResourceNotFoundException("Users not found with id " + usersId));
+    }
+
+    @PutMapping("/users/{usersId}/todoList/{todosId}")
+    public Todos updateTodos(@PathVariable Long usersId, @PathVariable Long todosId, @Valid @RequestBody Todos todosReq) {
+        if(!todosRepository.existsById(todosId)) {
+            throw new ResourceNotFoundException("Todos not found with id " + usersId);
+        }
+
+        return todosRepository.findById(todosId)
+                .map(todos -> {
+                    todos.setTodo_list(todosReq.getTodo_list());
+                    return todosRepository.save(todos);
+                }).orElseThrow(() -> new ResourceNotFoundException("Todos not found with id " + todosId));
+    }
+
+    @DeleteMapping("/users/{usersId}/todoList/{todosId}")
+    public ResponseEntity<?> deleteTodos(@PathVariable Long usersId, @PathVariable Long todosId) {
+        if(!todosRepository.existsById(usersId)) {
+            throw new ResourceNotFoundException("Todos not found with id " + todosId);
+        }
+
+        return todosRepository.findById(todosId)
+                .map(todos -> {
+                    todosRepository.delete(todos);
+                    return ResponseEntity.ok().build();
+                }).orElseThrow(() -> new ResourceNotFoundException("Todos not found with id " + todosId));
+
+    }
+}

src/main/java/com/example/postgresdemo/controller/UsersController.java

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+package com.example.postgresdemo.controller;
+
+import com.example.postgresdemo.exception.ResourceNotFoundException;
+import com.example.postgresdemo.model.Users;
+import com.example.postgresdemo.repository.UsersRepository;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.*;
+
+import javax.validation.Valid;
+import java.util.List;
+
+@RestController
+public class UsersController {
+    @Autowired
+    private UsersRepository usersRepository;
+
+    @GetMapping("/users/viewAll")
+    public List<Users> getAllUser(){
+        return usersRepository.findAll();
+    }
+
+    @GetMapping("users/view/{usersId}")
+    public Users getUsersById(@PathVariable Long usersId){
+        return usersRepository.findById(usersId).map(users -> {return users;}).orElse(null);
+    }
+
+    @PostMapping("/users/create")
+    public Users createQuestion(@Valid @RequestBody Users users) {
+        return usersRepository.save(users);
+    }
+
+    @PutMapping("/users/update/{usersId}")
+    public Users updateUsers(@PathVariable Long usersId, @Valid @RequestBody Users usersReq) {
+        return usersRepository.findById(usersId)
+                .map(users -> {
+                    users.setUsername(usersReq.getUsername());
+                    users.setName(usersReq.getName());
+                    return usersRepository.save(users);
+                }).orElseThrow(() -> new ResourceNotFoundException("Users not found with id " + usersId));
+    }
+
+    @DeleteMapping("/users/delete/{usersId}")
+    public ResponseEntity<?> deleteUsers(@PathVariable Long usersId) {
+        return usersRepository.findById(usersId)
+                .map(users -> {
+                    usersRepository.delete(users);
+                    return ResponseEntity.ok().build();
+                }).orElseThrow(() -> new ResourceNotFoundException("Users not found with id " + usersId));
+    }
+
+}

src/main/java/com/example/postgresdemo/model/Todos.java

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+package com.example.postgresdemo.model;
+
+import com.fasterxml.jackson.annotation.JsonIgnore;
+import org.hibernate.annotations.OnDelete;
+import org.hibernate.annotations.OnDeleteAction;
+
+import javax.persistence.*;
+
+@Entity
+@Table(name = "todos")
+public class Todos extends AuditModel {
+    @Id
+    @GeneratedValue(generator = "todos_generator")
+    @SequenceGenerator(
+            name = "todos_generator",
+            sequenceName = "todos_sequence",
+            initialValue = 1
+    )
+    private Long id;
+
+    @Column(columnDefinition = "text")
+    private String todo_list;
+
+    @ManyToOne(fetch = FetchType.LAZY, optional = false)
+    @JoinColumn(name = "users_id", nullable = false)
+    @OnDelete(action = OnDeleteAction.CASCADE)
+    @JsonIgnore
+    private Users users;
+
+    public Long getId() {
+        return id;
+    }
+
+    public void setId(Long id) {
+        this.id = id;
+    }
+
+    public String getTodo_list() {
+        return todo_list;
+    }
+
+    public void setTodo_list(String todo_list) {
+        this.todo_list = todo_list;
+    }
+
+    public Users getUsers() {
+        return users;
+    }
+
+    public void setUsers(Users users) {
+        this.users = users;
+    }
+}

src/main/java/com/example/postgresdemo/model/Users.java

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+package com.example.postgresdemo.model;
+
+import javax.persistence.*;
+import javax.validation.constraints.NotBlank;
+import javax.validation.constraints.Size;
+
+@Entity
+@Table(name = "users")
+public class Users extends AuditModel{
+    @Id
+    @GeneratedValue(generator = "users_generator")
+    @SequenceGenerator(
+            name = "users_generator",
+            sequenceName = "users_sequence",
+            initialValue = 1
+    )
+    private Long id;
+
+    @NotBlank
+    @Size(min=3, max=30)
+    private String username;
+
+    @Column(columnDefinition = "text")
+    private String name;;
+
+    public Long getId() {
+        return id;
+    }
+
+    public void setId(Long id) {
+        this.id = id;
+    }
+
+    public String getUsername() {
+        return username;
+    }
+
+    public void setUsername(String username) {
+        this.username = username;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+}

src/main/java/com/example/postgresdemo/repository/TodosRepository.java

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+package com.example.postgresdemo.repository;
+
+import com.example.postgresdemo.model.Todos;
+import org.springframework.data.jpa.repository.JpaRepository;
+
+import java.util.List;
+
+public interface TodosRepository extends JpaRepository<Todos, Long> {
+    List<Todos> findByUsersId(Long usersId);
+}

src/main/java/com/example/postgresdemo/repository/UsersRepository.java

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+package com.example.postgresdemo.repository;
+
+import com.example.postgresdemo.model.Users;
+import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.stereotype.Repository;
+
+@Repository
+public interface UsersRepository extends JpaRepository<Users, Long> {
+}

src/main/resources/application.properties

@@ -1,7 +1,10 @@
 ## Spring DATASOURCE (DataSourceAutoConfiguration & DataSourceProperties)
-spring.datasource.url=jdbc:postgresql://localhost:5432/postgres_demo
-spring.datasource.username= rajeevkumarsingh
-spring.datasource.password=
+spring.datasource.url=jdbc:postgresql://stampy.db.elephantsql.com:5432/bdcccizh
+spring.datasource.username= bdcccizh
+spring.datasource.password= pSc6rYfsfzddYxli7J1ldgkdRGr8jS7z
+
+spring.datasource.hikari.maximum-pool-size=3
+spring.datasource.driver-class-name=org.postgresql.Driver
 
 # The SQL dialect makes Hibernate generate better SQL for the chosen database
 spring.jpa.properties.hibernate.dialect = org.hibernate.dialect.PostgreSQLDialect