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PixelService.java
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PixelService.java
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package com.m3pro.groundflip.service;
import java.util.List;
import org.locationtech.jts.geom.Coordinate;
import org.locationtech.jts.geom.GeometryFactory;
import org.locationtech.jts.geom.Point;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import com.m3pro.groundflip.domain.dto.pixel.IndividualPixelResponse;
import com.m3pro.groundflip.domain.dto.pixel.PixelOccupyRequest;
import com.m3pro.groundflip.domain.entity.PixelUser;
import com.m3pro.groundflip.repository.CommunityRepository;
import com.m3pro.groundflip.repository.PixelRepository;
import com.m3pro.groundflip.repository.PixelUserRepository;
import com.m3pro.groundflip.repository.UserRepository;
import lombok.RequiredArgsConstructor;
@Service
@RequiredArgsConstructor
public class PixelService {
private final GeometryFactory geometryFactory;
private final PixelRepository pixelRepository;
private final PixelUserRepository pixelUserRepository;
private final CommunityRepository communityRepository;
private final UserRepository userRepository;
private static final int WGS84_SRID = 4326;
public List<IndividualPixelResponse> getNearIndividualPixelsByCoordinate(double currentLatitude,
double currentLongitude, int radius) {
Point point = geometryFactory.createPoint(new Coordinate(currentLongitude, currentLatitude));
point.setSRID(WGS84_SRID);
return pixelRepository.findAllIndividualPixelsByCoordinate(point, radius).stream()
.map(IndividualPixelResponse::from)
.toList();
}
@Transactional
public void occupyPixel(PixelOccupyRequest pixelOccupyRequest) {
Long communityId = pixelOccupyRequest.getCommunityId();
if (pixelOccupyRequest.getCommunityId() == null) {
communityId = -1L;
}
PixelUser pixelUser = PixelUser.builder()
.community(communityRepository.getReferenceById(communityId))
.pixel(pixelRepository.getReferenceById(pixelOccupyRequest.getPixelId()))
.user(userRepository.getReferenceById(pixelOccupyRequest.getUserId()))
.build();
pixelUserRepository.save(pixelUser);
}
}