M3-117 개인전 픽셀 가져오는 API 구현 완료

src/main/java/com/m3pro/groundflip/controller/PixelController.java

@@ -1 +1,31 @@
-package com.m3pro.groundflip.controller;import org.springframework.web.bind.annotation.RestController;import com.m3pro.groundflip.service.PixelService;import lombok.RequiredArgsConstructor;@RestController@RequiredArgsConstructorpublic class PixelController {	private final PixelService pixelService;}
+package com.m3pro.groundflip.controller;
+
+import java.util.List;
+
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RequestParam;
+import org.springframework.web.bind.annotation.RestController;
+
+import com.m3pro.groundflip.domain.dto.Response;
+import com.m3pro.groundflip.domain.dto.pixel.IndividualPixelResponse;
+import com.m3pro.groundflip.service.PixelService;
+
+import lombok.RequiredArgsConstructor;
+
+@RestController
+@RequiredArgsConstructor
+@RequestMapping("/api/pixels")
+public class PixelController {
+	private final PixelService pixelService;
+
+	@GetMapping("/individual")
+	public Response<List<IndividualPixelResponse>> getNearIndividualPixels(
+		@RequestParam(name = "current-x") int currentX,
+		@RequestParam(name = "current-y") int currentY,
+		@RequestParam(name = "x-range", required = false, defaultValue = "20") int xRange,
+		@RequestParam(name = "y-range", required = false, defaultValue = "10") int yRange) {
+		return Response.createSuccess(pixelService.getNearIndividualPixels(currentX, currentY, xRange, yRange));
+	}
+
+}

src/main/java/com/m3pro/groundflip/domain/dto/pixel/IndividualPixelResponse.java

@@ -0,0 +1,21 @@
+package com.m3pro.groundflip.domain.dto.pixel;
+
+import com.m3pro.groundflip.domain.entity.Pixel;
+
+import lombok.AllArgsConstructor;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+@AllArgsConstructor
+@NoArgsConstructor
+@Data
+public class IndividualPixelResponse {
+	private double latitude;
+	private double longitude;
+	private double x;
+	private double y;
+
+	public static IndividualPixelResponse from(Pixel pixel) {
+		return new IndividualPixelResponse(pixel.getLatitude(), pixel.getLongitude(), pixel.getX(), pixel.getY());
+	}
+}

src/main/java/com/m3pro/groundflip/domain/entity/Pixel.java

@@ -8,6 +8,7 @@
 import jakarta.persistence.GeneratedValue;
 import jakarta.persistence.GenerationType;
 import jakarta.persistence.Id;
+import jakarta.persistence.Index;
 import jakarta.persistence.JoinColumn;
 import jakarta.persistence.ManyToOne;
 import jakarta.persistence.Table;
@@ -19,7 +20,7 @@
 
 @Getter
 @Entity
-@Table(name = "pixel")
+@Table(name = "pixel", indexes = @Index(name = "index__x__y", columnList = "x, y"))
 @NoArgsConstructor(access = AccessLevel.PROTECTED)
 @AllArgsConstructor
 @Builder

src/main/java/com/m3pro/groundflip/repository/PixelRepository.java

@@ -1 +1,17 @@
-package com.m3pro.groundflip.repository;import org.springframework.data.jpa.repository.JpaRepository;import com.m3pro.groundflip.domain.entity.Pixel;public interface PixelRepository extends JpaRepository<Pixel, Long> {}
+package com.m3pro.groundflip.repository;
+
+import java.util.List;
+
+import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.data.jpa.repository.Query;
+import org.springframework.data.repository.query.Param;
+
+import com.m3pro.groundflip.domain.entity.Pixel;
+
+public interface PixelRepository extends JpaRepository<Pixel, Long> {
+	@Query(value = "select pixel from Pixel pixel "
+		+ "where pixel.x between :currentX - :xRange / 2 and :currentX + :xRange / 2 "
+		+ "and pixel.y between :currentY - :yRange / 2 and :currentY + :yRange / 2 ")
+	List<Pixel> findAllNearPixels(@Param("currentX") int currentX, @Param("currentY") int currentY,
+		@Param("xRange") int xRange, @Param("yRange") int yRange);
+}

src/main/java/com/m3pro/groundflip/service/PixelService.java

@@ -1 +1,23 @@
-package com.m3pro.groundflip.service;import org.springframework.stereotype.Service;import lombok.RequiredArgsConstructor;@Service@RequiredArgsConstructorpublic class PixelService {}
+package com.m3pro.groundflip.service;
+
+import java.util.List;
+
+import org.springframework.stereotype.Service;
+
+import com.m3pro.groundflip.domain.dto.pixel.IndividualPixelResponse;
+import com.m3pro.groundflip.repository.PixelRepository;
+
+import lombok.RequiredArgsConstructor;
+
+@Service
+@RequiredArgsConstructor
+public class PixelService {
+	private final PixelRepository pixelRepository;
+
+	public List<IndividualPixelResponse> getNearIndividualPixels(int currentX, int currentY, int xRange, int yRange) {
+		return pixelRepository.findAllNearPixels(currentX, currentY, xRange, yRange)
+			.stream()
+			.map(IndividualPixelResponse::from)
+			.toList();
+	}
+}