#20 - Feat: Add Car Navigation services

src/main/java/org/routemaster/api/total/domain/navigation/service/CarNavigationService.java

@@ -0,0 +1,23 @@
+package org.routemaster.api.total.domain.navigation.service;
+
+import org.routemaster.api.total.domain.navigation.data.CarNavigationRoutes;
+import reactor.core.publisher.Mono;
+
+public interface CarNavigationService {
+
+    Mono<CarNavigationRoutes> navigate(
+            Double originLatitude,
+            Double originLongitude,
+            Double destinationLatitude,
+            Double destinationLogitude,
+            String priority,
+            String avoid,
+            Boolean alternatives,
+            Boolean roadDetails,
+            Integer carType,
+            String carFuel,
+            Boolean carHipass,
+            Boolean summary
+    );
+
+}

src/main/java/org/routemaster/api/total/domain/navigation/service/impl/DefaultCarNavigationService.java

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+package org.routemaster.api.total.domain.navigation.service.impl;
+
+import com.fasterxml.jackson.databind.JsonNode;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import lombok.extern.slf4j.Slf4j;
+import org.routemaster.api.total.domain.navigation.data.CarNavigationRoutes;
+import org.routemaster.api.total.domain.navigation.service.CarNavigationService;
+import org.routemaster.api.total.infra.kakao.KakaoMobilityAPI;
+import org.springframework.http.MediaType;
+import org.springframework.stereotype.Service;
+import org.springframework.web.reactive.function.client.WebClient;
+import org.springframework.web.util.DefaultUriBuilderFactory;
+import reactor.core.publisher.Mono;
+
+import java.io.IOException;
+
+@Slf4j
+@Service
+public class DefaultCarNavigationService implements CarNavigationService {
+
+    @Override
+    public Mono<CarNavigationRoutes> navigate(
+            Double originLatitude,
+            Double originLongitude,
+            Double destinationLatitude,
+            Double destinationLogitude,
+            String priority,
+            String avoid,
+            Boolean alternatives,
+            Boolean roadDetails,
+            Integer carType,
+            String carFuel,
+            Boolean carHipass,
+            Boolean summary
+    ) {
+        ObjectMapper mapper = new ObjectMapper();
+        DefaultUriBuilderFactory factory = new DefaultUriBuilderFactory(KakaoMobilityAPI.baseUrl);
+
+        factory.setEncodingMode(DefaultUriBuilderFactory.EncodingMode.VALUES_ONLY);
+        WebClient webClient = WebClient.builder()
+                .uriBuilderFactory(factory)
+                .baseUrl(KakaoMobilityAPI.baseUrl)
+                .defaultHeader("Authorization", KakaoMobilityAPI.authorizationKey)
+                .build();
+
+        Mono<CarNavigationRoutes> result = webClient.get()
+                .uri(uriBuilder -> uriBuilder
+                        .path("/directions")
+                        .queryParam("origin", originLatitude + "," + originLongitude)
+                        .queryParam("destination", destinationLatitude + "," + destinationLogitude)
+                        .queryParam("priority", priority == null ? "RECOMMEND" : priority)
+                        .queryParam("avoid", avoid)
+                        .queryParam("alternatives", alternatives == null ? false : alternatives)
+                        .queryParam("road_details", roadDetails == null ? false : roadDetails)
+                        .queryParam("car_type", carType == null ? 1 : carType)
+                        .queryParam("car_fuel", carFuel == null ? "GASOLINE" : carFuel)
+                        .queryParam("car_hipass", carHipass == null ? false : carHipass)
+                        .queryParam("summary", summary == null ? false : summary)
+                        .build()
+                        )
+                .accept(MediaType.APPLICATION_JSON)
+                .retrieve()
+                .bodyToMono(String.class)
+                .map(str -> {
+                    try {
+                        JsonNode jsonNode = mapper.readTree(str);
+                        CarNavigationRoutes navigationRoutes = CarNavigationRoutes.builder()
+                                .transId(jsonNode.get("trans_id").asText())
+                                .buildRoutes(jsonNode.get("routes"))
+                                .build();
+                        return navigationRoutes;
+                    } catch (IOException e) {
+                        throw new RuntimeException(e);
+                    }
+                });
+        return result;
+    }
+}