BAEL-3557: Completed a simple web application in spring boot and groovy (#9152)

Co-authored-by: Vikas Ramsingh Rajput <vikas.rajput@crownconsult.com>

spring-boot-groovy/src/main/groovy/com/baeldung/app/SpringBootGroovyApplication.groovy

@@ -0,0 +1,13 @@
+package com.baeldung.app
+
+import org.springframework.boot.SpringApplication
+import org.springframework.boot.autoconfigure.SpringBootApplication
+
+import com.baeldung.app.SpringBootGroovyApplication
+
+@SpringBootApplication
+class SpringBootGroovyApplication {
+    static void main(String[] args) {
+        SpringApplication.run SpringBootGroovyApplication, args
+    }
+}

spring-boot-groovy/src/main/groovy/com/baeldung/app/controller/TodoController.groovy

@@ -0,0 +1,48 @@
+package com.baeldung.app.controller
+
+import org.springframework.beans.factory.annotation.Autowired
+import org.springframework.web.bind.annotation.DeleteMapping
+import org.springframework.web.bind.annotation.GetMapping
+import org.springframework.web.bind.annotation.PathVariable
+import org.springframework.web.bind.annotation.PostMapping
+import org.springframework.web.bind.annotation.PutMapping
+import org.springframework.web.bind.annotation.RequestBody
+import org.springframework.web.bind.annotation.RequestMapping
+import org.springframework.web.bind.annotation.RequestMethod
+import org.springframework.web.bind.annotation.RestController
+
+import com.baeldung.app.entity.Todo
+import com.baeldung.app.service.TodoService
+
+@RestController
+@RequestMapping('todo')
+public class TodoController {
+
+    @Autowired
+    TodoService todoService
+
+    @GetMapping
+    List<Todo> getAllTodoList(){
+        todoService.findAll()
+    }
+
+    @PostMapping
+    Todo saveTodo(@RequestBody Todo todo){
+        todoService.saveTodo todo
+    }
+
+    @PutMapping
+    Todo updateTodo(@RequestBody Todo todo){
+        todoService.updateTodo todo
+    }
+
+    @DeleteMapping('/{todoId}')
+    deleteTodo(@PathVariable Integer todoId){
+        todoService.deleteTodo todoId
+    }
+
+    @GetMapping('/{todoId}')
+    Todo getTodoById(@PathVariable Integer todoId){
+        todoService.findById todoId
+    }
+}

spring-boot-groovy/src/main/groovy/com/baeldung/app/entity/Todo.groovy

@@ -0,0 +1,23 @@
+package com.baeldung.app.entity
+
+import javax.persistence.Column
+import javax.persistence.Entity
+import javax.persistence.GeneratedValue
+import javax.persistence.GenerationType
+import javax.persistence.Id
+import javax.persistence.Table
+
+@Entity
+@Table(name = 'todo')
+class Todo {
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    Integer id
+    
+    @Column
+    String task
+    
+    @Column
+    Boolean isCompleted
+
+}

spring-boot-groovy/src/main/groovy/com/baeldung/app/repository/TodoRepository.groovy

@@ -0,0 +1,9 @@
+package com.baeldung.app.repository
+
+import org.springframework.data.jpa.repository.JpaRepository
+import org.springframework.stereotype.Repository
+
+import com.baeldung.app.entity.Todo
+
+@Repository
+interface TodoRepository extends JpaRepository<Todo, Integer> {}

spring-boot-groovy/src/main/groovy/com/baeldung/app/service/TodoService.groovy

@@ -0,0 +1,16 @@
+package com.baeldung.app.service
+
+import com.baeldung.app.entity.Todo
+
+interface TodoService {
+
+    List<Todo> findAll()
+
+    Todo findById(Integer todoId)
+
+    Todo saveTodo(Todo todo)
+
+    Todo updateTodo(Todo todo)
+
+    Todo deleteTodo(Integer todoId)
+}

spring-boot-groovy/src/main/groovy/com/baeldung/app/service/impl/TodoServiceImpl.groovy

@@ -0,0 +1,40 @@
+package com.baeldung.app.service.impl
+
+import org.springframework.beans.factory.annotation.Autowired
+import org.springframework.stereotype.Service
+
+import com.baeldung.app.entity.Todo
+import com.baeldung.app.repository.TodoRepository
+import com.baeldung.app.service.TodoService
+
+@Service
+class TodoServiceImpl implements TodoService {
+
+    @Autowired
+    TodoRepository todoRepository
+
+    @Override
+    List<Todo> findAll() {
+        todoRepository.findAll()
+    }
+
+    @Override
+    Todo findById(Integer todoId) {
+        todoRepository.findById todoId get()
+    }
+
+    @Override
+    Todo saveTodo(Todo todo){
+        todoRepository.save todo
+    }
+
+    @Override
+    Todo updateTodo(Todo todo){
+        todoRepository.save todo
+    }
+
+    @Override
+    Todo deleteTodo(Integer todoId){
+        todoRepository.deleteById todoId
+    }
+}

spring-boot-groovy/src/main/resources/application.properties

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+spring.datasource.url=jdbc:h2:mem:todo
+spring.datasource.driverClassName=org.h2.Driver
+spring.datasource.username=sa
+spring.datasource.password=sa
+spring.jpa.database-platform=org.hibernate.dialect.H2Dialect