pgdemo-bff

DemoService.java

@Service
@Slf4j
@RequiredArgsConstructor
public class DemoService {
    private final BackendConfig backendConfig;
    private final @Qualifier("backendWebClient") WebClient demoClient;

    public Mono<Object> greeting() {
        log.info("get greeting");
        return demoClient.get().uri(String.format("%s/%s", backendConfig.getDemoBasePath(), "greetings"))
            .accept(MediaType.APPLICATION_JSON)
            .retrieve()
            .bodyToMono(Object.class);
    }

    public Mono<Object> tasks() {
        log.info("get tasks");
        return demoClient.get().uri(String.format("%s/%s", backendConfig.getDemoBasePath(), "tasks"))
            .accept(MediaType.APPLICATION_JSON)
            .retrieve()
            .bodyToMono(Object.class);
    }
}

GreetingTaskController.java

@RestController
@RequiredArgsConstructor
@RequestMapping("/greeting-tasks")
public class GreetingTaskController {
    private final DemoService demoService;
    @RequestMapping()
    public Mono<GreetingTask> get() {
        return Mono.zip(demoService.greeting(), demoService.tasks())
        .map(tuple -> {
             final var greeting = tuple.getT1();
             final var tasks = tuple.getT2();
             return GreetingTask.builder().greeting(greeting).tasks(tasks).build();
        });
    }    
}