[FEATURE] 봉사활동 모집글 생성 기능

src/main/java/com/somemore/location/dto/request/LocationCreateRequestDto.java

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+package com.somemore.location.dto.request;
+
+
+import com.fasterxml.jackson.databind.PropertyNamingStrategies.SnakeCaseStrategy;
+import com.fasterxml.jackson.databind.annotation.JsonNaming;
+import com.somemore.location.domain.Location;
+import io.swagger.v3.oas.annotations.media.Schema;
+import jakarta.validation.constraints.NotBlank;
+import lombok.Builder;
+
+@JsonNaming(SnakeCaseStrategy.class)
+@Builder
+public record LocationCreateRequestDto(
+    @Schema(description = "도로명 주소", example = "서울특별시 서초구 반포대로 45, 4층(서초동, 명정빌딩)")
+    @NotBlank(message = "주소는 필수 입력 값입니다.")
+    String address,
+    @Schema(description = "주소에 해당하는 위도 정보", example = "37.4845373748015")
+    @NotBlank(message = "위도는 필수 입력 값입니다.")
+    String latitude,
+    @Schema(description = "주소에 해당하는 경도 정보", example = "127.010842267696")
+    @NotBlank(message = "경도는 필수 입력 값입니다.")
+    String longitude
+) {
+
+    public Location toEntity() {
+        return Location.builder()
+            .address(address)
+            .latitude(latitude)
+            .longitude(longitude)
+            .build();
+    }
+}

src/main/java/com/somemore/location/service/CreateLocationService.java

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+package com.somemore.location.service;
+
+import com.somemore.location.domain.Location;
+import com.somemore.location.dto.request.LocationCreateRequestDto;
+import com.somemore.location.repository.LocationRepository;
+import com.somemore.location.usecase.CreateLocationUseCase;
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
+
+@RequiredArgsConstructor
+@Transactional
+@Service
+public class CreateLocationService implements CreateLocationUseCase {
+
+    private final LocationRepository locationRepository;
+
+    @Override
+    public Long createLocation(LocationCreateRequestDto requestDto) {
+        Location location = requestDto.toEntity();
+        locationRepository.save(location);
+        return location.getId();
+    }
+
+}

src/main/java/com/somemore/location/usecase/CreateLocationUseCase.java

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+package com.somemore.location.usecase;
+
+import com.somemore.location.dto.request.LocationCreateRequestDto;
+
+public interface CreateLocationUseCase {
+
+    Long createLocation(LocationCreateRequestDto requestDto);
+
+}