feat(task 1): add greetings controller and service

.github/workflows/gradle.yml

@@ -2,9 +2,11 @@ name: Java CI with Gradle
 
 on:
   push:
-    branches: [ "main" ]
+    branches:
+      - '**'
   pull_request:
-    branches: [ "main" ]
+    branches:
+      - '**'
 
 jobs:
   build:

README.md

@@ -77,9 +77,10 @@ Open Swagger docs: http://localhost:8080/swagger-ui.html
 3. **Pull Request Process**
    - Create a PR from your task branch to your personal feature branch
    - Assign the following reviewers to your PR:
-     - https://github.com/trioletas
-     - https://github.com/algorithm108
-     - https://github.com/IgorGursky
+     - https://github.com/trioletas (Oleg)
+     - https://github.com/algorithm108 (Alexey)
+     - https://github.com/IgorGursky (Igor)
+     - https://github.com/Melancholic (Andrey)
 
 ### 📝 Available Tasks
 

src/main/java/lv/ctco/springboottemplate/features/greeting/GreetingController.java

@@ -0,0 +1,25 @@
+package lv.ctco.springboottemplate.features.greeting;
+
+import io.swagger.v3.oas.annotations.Operation;
+import io.swagger.v3.oas.annotations.tags.Tag;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+/** REST controller for generation of greeting messages */
+@RestController
+@RequestMapping("/api/greeting")
+@Tag(name = "Greeting Controller", description = "Greeting endpoints")
+public class GreetingController {
+  private final GreetingService greetingService;
+
+  private GreetingController(GreetingService greetingService) {
+    this.greetingService = greetingService;
+  }
+
+  @GetMapping
+  @Operation(summary = "Get greeting with pending tasks count")
+  public String getGreeting() {
+    return greetingService.greet();
+  }
+}

src/main/java/lv/ctco/springboottemplate/features/greeting/GreetingService.java

@@ -0,0 +1,21 @@
+package lv.ctco.springboottemplate.features.greeting;
+
+import lv.ctco.springboottemplate.features.todo.TodoService;
+import org.springframework.stereotype.Service;
+
+/** Service layer for greeting messages */
+@Service
+public class GreetingService {
+  private final TodoService todoService;
+
+  private GreetingService(TodoService todoService) {
+    this.todoService = todoService;
+  }
+
+  public String greet() {
+    long pendingItemsCount =
+        todoService.getAllTodos().stream().filter(todo -> !todo.completed()).count();
+
+    return "Hello from Spring! You have " + pendingItemsCount + " open tasks.";
+  }
+}

src/test/java/lv/ctco/springboottemplate/features/greeting/GreetingServiceIntegrationTest.java

@@ -1,9 +1,20 @@
 package lv.ctco.springboottemplate.features.greeting;
 
+import static org.assertj.core.api.AssertionsForClassTypes.assertThat;
+
+import java.util.List;
+import lv.ctco.springboottemplate.features.todo.Todo;
+import lv.ctco.springboottemplate.features.todo.TodoRepository;
 import lv.ctco.springboottemplate.features.todo.TodoService;
+import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Disabled;
+import org.junit.jupiter.api.Test;
 import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.test.context.DynamicPropertyRegistry;
+import org.springframework.test.context.DynamicPropertySource;
 import org.springframework.test.context.TestConstructor;
+import org.testcontainers.containers.MongoDBContainer;
+import org.testcontainers.junit.jupiter.Container;
 import org.testcontainers.junit.jupiter.Testcontainers;
 
 /**
@@ -15,13 +26,10 @@
  * <p>Initially marked {@link Disabled} to be enabled by the developer after implementation.
  */
 @SpringBootTest
-@Disabled("Enable after implementing GreetingService using TodoService")
 @Testcontainers
 @TestConstructor(autowireMode = TestConstructor.AutowireMode.ALL)
 class GreetingServiceIntegrationTest {
 
-  /*
-
   @Container static MongoDBContainer mongoDBContainer = new MongoDBContainer("mongo:6.0.8");
 
   @DynamicPropertySource
@@ -94,5 +102,4 @@ void should_ignore_null_todos_or_null_completed_flags() {
     // then
     assertThat(message).contains("1 open task");
   }
-  */
 }