[feature] Services statuses

pom.xml

@@ -136,6 +136,11 @@
             <artifactId>description-ml-api</artifactId>
             <version>0.1.0-SNAPSHOT</version>
         </dependency>
+        <dependency>
+            <groupId>commons-validator</groupId>
+            <artifactId>commons-validator</artifactId>
+            <version>1.3.1</version>
+        </dependency>
     </dependencies>
 
     <!-- Нужен для пуша jar в репозиторий libs-snapshot-local в jfrog artifactory -->

src/main/java/com/wine/to/up/apigateway/service/controller/ApiGatewayController.java

@@ -1,10 +1,12 @@
 package com.wine.to.up.apigateway.service.controller;
 
 import com.netflix.zuul.context.RequestContext;
+import com.wine.to.up.apigateway.service.dto.ServiceStatusDTO;
 import com.wine.to.up.apigateway.service.dto.WinePositionWithFavorites;
 import com.wine.to.up.apigateway.service.dto.WinePositionWithRecommendations;
 import com.wine.to.up.apigateway.service.jwt.JwtTokenProvider;
 import com.wine.to.up.apigateway.service.service.FavoritePositionService;
+import com.wine.to.up.apigateway.service.status.CallServices;
 import com.wine.to.up.catalog.service.api.dto.WinePositionTrueResponse;
 import com.wine.to.up.catalog.service.api.feign.FavoriteWinePositionsClient;
 import com.wine.to.up.catalog.service.api.feign.WinePositionClient;
@@ -15,6 +17,8 @@
 import io.swagger.annotations.ApiOperation;
 import lombok.AllArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
 import org.springframework.validation.annotation.Validated;
 import org.springframework.web.bind.annotation.*;
 
@@ -43,6 +47,8 @@ public class ApiGatewayController {
 
     private final WineRecommendationServiceClient wineRecommendationServiceClient;
 
+    private final CallServices callServices;
+
 
     @ApiOperation(value = "Get favourites wine positions",
             nickname = "getFavouritesPositions",
@@ -97,6 +103,11 @@ public List<WinePositionWithFavorites> getWinePositions(@RequestParam(required =
         return favoritePositionService.convertWinePositions(positions, ids);
     }
 
+    @GetMapping("/statuses")
+    public ResponseEntity<List<ServiceStatusDTO>> servicesStatuses() {
+        return new ResponseEntity<>(callServices.checkServices(), HttpStatus.OK);
+    }
+
     @GetMapping("/position/true/byId/{id}")
     public WinePositionWithFavorites getWineById(@Valid @PathVariable(name = "id") String winePositionId) {
         log.info("Got request for positions by id");
@@ -163,11 +174,11 @@ private Set<String> getFavoriteIds(String accessToken) {
 
     private List<WinePositionTrueResponse> getWinePositionTrueResponses(String page, String amount, List<String> sortByPair, String filterBy) {
         Map<String, List<String>> query = new HashMap<>();
-        List<String> amountList  = new ArrayList<>();
+        List<String> amountList = new ArrayList<>();
         amountList.add(amount);
-        List<String> pageList  = new ArrayList<>();
+        List<String> pageList = new ArrayList<>();
         pageList.add(page);
-        List<String> filterByList  = new ArrayList<>();
+        List<String> filterByList = new ArrayList<>();
         filterByList.add(filterBy);
         query.put("sortByPair", sortByPair);
         query.put("amount", amountList);

src/main/java/com/wine/to/up/apigateway/service/dto/ServiceStatusDTO.java

@@ -0,0 +1,13 @@
+package com.wine.to.up.apigateway.service.dto;
+
+import lombok.AllArgsConstructor;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+@AllArgsConstructor
+@NoArgsConstructor
+@Data
+public class ServiceStatusDTO {
+    private String serviceName;
+    private Boolean isActive;
+}

src/main/java/com/wine/to/up/apigateway/service/status/CallServices.java

@@ -0,0 +1,51 @@
+package com.wine.to.up.apigateway.service.status;
+
+import com.wine.to.up.apigateway.service.dto.ServiceStatusDTO;
+import org.apache.commons.validator.UrlValidator;
+import org.springframework.stereotype.Component;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+@Component
+public class CallServices {
+    private static final ArrayList<String> services = (ArrayList<String>) Arrays.asList(
+            "http://proxy-service:8080",
+            "http://catalog-service:8080",
+            "http://user-service:8080",
+            "http://ml-description-based-recommendation-service:5000",
+            "http://ml-team-2-service:80",
+            "http://ml3-recommendation-service:8000",
+            "http://segandrec-service:5000",
+            "http://notification-service:8080"
+    );
+    private static final String extractServiceNameRegExp = "http:\\/\\/([-\\w]+):[0-9]+";
+
+    private String extractServiceName(String service) {
+        Pattern pattern = Pattern.compile(extractServiceNameRegExp);
+        Matcher matcher = pattern.matcher(service);
+        return matcher.group(1);
+    }
+
+    private Boolean getStatus(String service) {
+        UrlValidator urlValidator = new UrlValidator();
+        return urlValidator.isValid(service);
+    }
+
+    public List<ServiceStatusDTO> checkServices() {
+        List<ServiceStatusDTO> serviceStatusDTOS = new ArrayList<>();
+
+        for(String service : services) {
+            ServiceStatusDTO serviceStatusDTO = new ServiceStatusDTO();
+
+            serviceStatusDTO.setServiceName(extractServiceName(service));
+            serviceStatusDTO.setIsActive(getStatus(service));
+            serviceStatusDTOS.add(serviceStatusDTO);
+        }
+
+        return serviceStatusDTOS;
+    }
+}