added card on post and feed

src/main/java/com/krylov/refound/service/NominatimService.java

@@ -0,0 +1,36 @@
+package com.krylov.refound.service;
+
+import com.fasterxml.jackson.databind.JsonNode;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import java.io.IOException;
+import java.net.URI;
+import java.net.http.HttpClient;
+import java.net.http.HttpRequest;
+import java.net.http.HttpResponse;
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Component;
+
+@Component
+@RequiredArgsConstructor
+public class NominatimService {
+  private final ObjectMapper mapper;
+
+  public String getAddress(String lat, String lon)  {
+    String url = "https://nominatim.openstreetmap.org/reverse?lat=" + lat + "&lon=" + lon + "&format=json";
+
+    HttpClient client = HttpClient.newHttpClient();
+    HttpRequest request = HttpRequest.newBuilder()
+        .uri(URI.create(url))
+        .header("User-Agent", "MyApp/1.0")
+        .build();
+    JsonNode root;
+    try{
+      HttpResponse<String> response = client.send(request, HttpResponse.BodyHandlers.ofString());
+      root = mapper.readTree(response.body());
+    } catch (InterruptedException | IOException e){
+      throw new RuntimeException(e);
+    }
+
+    return root.path("display_name").asText();
+  }
+}

src/main/java/com/krylov/refound/service/PostService.java

@@ -33,6 +33,7 @@ public class PostService {
   private final PostRepository repository;
   private final PostMapper mapper;
   private final ImageRepository imageRepository;
+  private final NominatimService nominatimService;
 
   @CacheEvict(value = "posts", allEntries = true)
   public PostRequest create(PostRequest request, MultipartFile image) {
@@ -95,6 +96,14 @@ public class PostService {
     post.setCategory(request.getCategory());
     post.setPhone(request.getPhone());
     post.setType(request.getType());
+    if (request.getLatitude() != null && request.getLongitude() != null){
+      post.setLatitude(request.getLatitude());
+      post.setLongitude(request.getLongitude());
+      String address = nominatimService.getAddress(request.getLatitude().toString(), request.getLongitude().toString());
+      post.setCity(address);
+    } else {
+      post.setCity(request.getAddress());
+    }
 
     if (image != null && !image.isEmpty()) {
       // удаляем старые картинки с диска