네이버최저가 조회

style24.core/src/main/java/com/style24/core/biz/thirdparty/NaverLowestPriceApi.java

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+package com.style24.core.biz.thirdparty;
+
+import java.net.URI;
+import java.net.URLEncoder;
+import java.util.ArrayList;
+import java.util.Collection;
+
+import javax.annotation.PostConstruct;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.http.HttpEntity;
+import org.springframework.http.HttpHeaders;
+import org.springframework.http.HttpMethod;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.MediaType;
+import org.springframework.http.ResponseEntity;
+import org.springframework.stereotype.Component;
+import org.springframework.web.client.RestTemplate;
+
+import com.google.gson.Gson;
+import com.style24.persistence.domain.NaverLowestPrice;
+
+import lombok.extern.slf4j.Slf4j;
+
+/**
+ * 네이버 최저가 조회 API
+ * 
+ * @author gagamel
+ * @since 2020. 12. 3
+ */
+@Component
+@Slf4j
+public class NaverLowestPriceApi {
+
+	// URL
+	private String apiUrl = "https://openapi.naver.com/v1/search/shop.json";
+
+	// Client ID
+	private String clientId = "x5FGDO3Q9kNZVG9SnDY6";
+
+	// Client Secret
+	private String clientSecret = "tRRng56dgN";
+
+	@Autowired
+	private RestTemplate restTemplate;
+
+	@PostConstruct
+	public void init() {
+		log.debug("\n\n---- NaverLowestPriceApi initialization started ----");
+		log.debug("apiUrl: [{}]", apiUrl);
+		log.debug("clientId: [{}]", clientId);
+		log.debug("clientSecret: [{}]", clientSecret);
+		log.debug("\n--- NaverLowestPriceApi initialization completed ----\n");
+	}
+
+	/**
+	 * 상품의 최저가 조회
+	 * @param goodsCd - 상품코드
+	 * @return 상품의 최저가 정보
+	 * @throws Exception
+	 * @author gagamel
+	 * @since 2020. 12. 3
+	 */
+	public NaverLowestPrice getLowestPrice(String goodsCd) throws Exception {
+		// Header
+		HttpHeaders headers = new HttpHeaders();
+		headers.setContentType(MediaType.APPLICATION_FORM_URLENCODED);
+		headers.add("X-Naver-Client-Id", clientId);
+		headers.add("X-Naver-Client-Secret", clientSecret);
+
+		String requestUrl = apiUrl + "?query=text=" + URLEncoder.encode(goodsCd, "UTF-8") + "&display=1&sort=asc";
+		log.info("requestUrl: {}", requestUrl);
+		URI url = URI.create(requestUrl);
+
+		// GET방식으로 호출
+		HttpEntity<String> request = new HttpEntity<String>(headers);
+		ResponseEntity<String> responseEntity = restTemplate.exchange(url, HttpMethod.GET, request, String.class);
+		log.info("responseEntity.getStatusCode(): {} ", responseEntity.getStatusCode());
+
+		if (!responseEntity.getStatusCode().equals(HttpStatus.OK)) {
+			return null;
+		}
+
+		String responseJson = responseEntity.getBody();
+		log.info("responseEntity.getBody(): {}", responseJson);
+
+		Gson gson = new Gson();
+		return gson.fromJson(responseJson, NaverLowestPrice.class);
+	}
+
+	/**
+	 * 상품의 최저가 조회
+	 * @param goodsCdList - 상품코드 목록
+	 * @return 상품의 최저가 목록
+	 * @throws Exception
+	 * @author gagamel
+	 * @since 2020. 12. 3
+	 */
+	public Collection<NaverLowestPrice> getLowestPriceList(Collection<String> goodsCdList) throws Exception {
+		if (goodsCdList == null || goodsCdList.isEmpty()) {
+			throw new IllegalStateException("조회할 상품코드 정보가 없습니다.");
+		}
+
+		Collection<NaverLowestPrice> lpriceList = new ArrayList<>();
+
+		for (String goodsCd : goodsCdList) {
+			NaverLowestPrice lprice = this.getLowestPrice(goodsCd);
+			if (lprice != null) {
+				lpriceList.add(lprice);
+			}
+		}
+
+		return lpriceList;
+	}
+
+}

style24.core/src/main/java/com/style24/persistence/domain/NaverLowestPrice.java

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+package com.style24.persistence.domain;
+
+import java.util.Collection;
+
+import com.style24.persistence.TscBaseDomain;
+
+import lombok.Data;
+
+/**
+ * 네이버 최저가 도메인
+ * 
+ * @author gagamel
+ * @since 2020. 12. 3
+ */
+@SuppressWarnings("serial")
+@Data
+public class NaverLowestPrice extends TscBaseDomain {
+
+	private String title;
+	private String link;
+	private String description;
+	private String lastBuildDate;
+	private int total;
+	private int start;
+	private int display;
+	private Collection<Item> items;
+
+	@Data
+	public class Item {
+		private String title;
+		private String link;
+		private String image;
+		private int lprice;
+		private int hprice;
+		private String mallName;
+		private String productId;
+		private String productType;
+		private String brand;
+		private String maker;
+		private String category1;
+		private String category2;
+		private String category3;
+		private String category4;
+	}
+
+}