#26 pharmacy: shorten url

road/build.gradle

@@ -28,6 +28,8 @@ dependencies {
     implementation 'org.springframework.boot:spring-boot-starter-web'
     implementation 'org.springframework.retry:spring-retry'
 
+    implementation 'io.seruco.encoding:base62:0.1.3'
+
     // handlebars
     implementation 'pl.allegro.tech.boot:handlebars-spring-boot-starter:0.3.4'
 

road/src/main/java/com/example/road/direction/controller/DirectionController.java

@@ -0,0 +1,37 @@
+package com.example.road.direction.controller;
+
+import com.example.road.direction.entity.Direction;
+import com.example.road.direction.service.DirectionService;
+import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.stereotype.Controller;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PathVariable;
+import org.springframework.web.util.UriComponentsBuilder;
+
+@Slf4j
+@Controller
+@RequiredArgsConstructor
+public class DirectionController {
+
+    private final DirectionService directionService;
+    private static final String DIRECTION_BASE_URL = "https://map.kakao.com/link/map/";
+
+    @GetMapping("/dir/{encodedId}")
+    public String searchDirection(@PathVariable("encodedId") String encodedId) {
+        Direction resultDirection = directionService.findById(encodedId);
+
+        String directionParams = String.join(
+                ",",
+                resultDirection.getTargetPharmacyName(),
+                String.valueOf(resultDirection.getTargetLatitude()),
+                String.valueOf(resultDirection.getTargetLongitude())
+        );
+
+        String directionUrl = UriComponentsBuilder
+                .fromHttpUrl(DIRECTION_BASE_URL + directionParams)
+                .toUriString();
+
+        return "redirect:" + directionUrl;
+    }
+}

road/src/main/java/com/example/road/direction/service/Base62Service.java

@@ -0,0 +1,23 @@
+package com.example.road.direction.service;
+
+import io.seruco.encoding.base62.Base62;
+import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.stereotype.Service;
+
+@Slf4j
+@Service
+@RequiredArgsConstructor
+public class Base62Service {
+
+    private static final Base62 base62Instance = Base62.createInstance();
+
+    public String encodeDirectionId(Long directionId) {
+        return new String(base62Instance.encode(String.valueOf(directionId).getBytes()));
+    }
+
+    public Long decodeDirectionId(String encodeDirectionId) {
+        String result = new String(base62Instance.decode(encodeDirectionId.getBytes()));
+        return Long.valueOf(result);
+    }
+}

road/src/main/java/com/example/road/direction/service/DirectionService.java

@@ -28,6 +28,7 @@ public class DirectionService {
     private final PharmacySearchService pharmacySearchService;
     private final DirectionRepository directionRepository;
     private final KakaoCategorySearchService kakaoCategorySearchService;
+    private final Base62Service base62Service;
 
     @Transactional
     public List<Direction> saveAll(List<Direction> directionList) {
@@ -38,6 +39,11 @@ public class DirectionService {
         return directionRepository.saveAll(directionList);
     }
 
+    public Direction findById(String encodedId) {
+        Long decodedId = base62Service.decodeDirectionId(encodedId);
+        return directionRepository.findById(decodedId).orElse(null);
+    }
+
     public List<Direction> buildDirectionList(DocumentDto documentDto) {
 
         if (Objects.isNull(documentDto)) {

road/src/main/java/com/example/road/pharmacy/service/PharmacyRecommendationService.java

@@ -5,9 +5,11 @@ import com.example.road.api.dto.KakaoApiResponseDto;
 import com.example.road.api.service.KakaoAddressSearchService;
 import com.example.road.direction.dto.OutputDto;
 import com.example.road.direction.entity.Direction;
+import com.example.road.direction.service.Base62Service;
 import com.example.road.direction.service.DirectionService;
 import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
+import org.springframework.beans.factory.annotation.Value;
 import org.springframework.stereotype.Service;
 import org.springframework.util.CollectionUtils;
 import org.springframework.web.util.UriComponentsBuilder;
@@ -24,9 +26,12 @@ public class PharmacyRecommendationService {
 
     private final KakaoAddressSearchService kakaoAddressSearchService;
     private final DirectionService directionService;
+    private final Base62Service base62Service;
+
+    @Value("${pharmacy.recommendation.base.url}")
+    private String baseUrl;
 
     private static final String ROAD_VIEW_BASE_URL = "https://map.kakao.com/link/roadview/";
-    private static final String DIRECTION_BASE_URL = "https://map.kakao.com/link/map/";
 
     public List<OutputDto> recommendPharmacyList(String address) {
 
@@ -51,17 +56,6 @@ public class PharmacyRecommendationService {
     }
 
     private OutputDto convertToOutputDto(Direction direction) {
-        String directionParams = String.join(
-                ",",
-                direction.getTargetPharmacyName(),
-                String.valueOf(direction.getTargetLatitude()),
-                String.valueOf(direction.getTargetLongitude())
-        );
-
-        String directionUrl = UriComponentsBuilder
-                .fromHttpUrl(DIRECTION_BASE_URL + directionParams)
-                .toUriString();
-
         String roadViewParams = String.join(
                 ",",
                 String.valueOf(direction.getTargetLatitude()),
@@ -75,7 +69,7 @@ public class PharmacyRecommendationService {
         return OutputDto.builder()
                 .pharmacyName(direction.getTargetPharmacyName())
                 .pharmacyAddress(direction.getTargetAddress())
-                .directionUrl(directionUrl)
+                .directionUrl(baseUrl + base62Service.encodeDirectionId(direction.getId()))
                 .roadViewUrl(roadViewUrl)
                 .distance(String.format("%.2f km", direction.getDistance()))
                 .build();

road/src/main/resources/application.yml

@@ -36,6 +36,11 @@ spring:
       ddl-auto: validate
     show-sql: true
 
+pharmacy:
+  recommendation:
+    base:
+      url: http://localhost:8080/dir/
+
 ---
 spring:
   config: