[FEAT] RSS 기능 구현

backend/build.gradle

@@ -1,55 +1,57 @@
 plugins {
-	id 'java'
-	id 'org.springframework.boot' version '3.3.3'
-	id 'io.spring.dependency-management' version '1.1.6'
+    id 'java'
+    id 'org.springframework.boot' version '3.3.3'
+    id 'io.spring.dependency-management' version '1.1.6'
 }
 
 group = 'kernel360'
 version = '0.0.1-SNAPSHOT'
 
 java {
-	toolchain {
-		languageVersion = JavaLanguageVersion.of(17)
-	}
+    toolchain {
+        languageVersion = JavaLanguageVersion.of(17)
+    }
 }
 
 configurations {
-	compileOnly {
-		extendsFrom annotationProcessor
-	}
+    compileOnly {
+        extendsFrom annotationProcessor
+    }
 }
 
 repositories {
-	mavenCentral()
+    mavenCentral()
 }
 
 dependencies {
-	// spring boot
-	implementation 'org.springframework.boot:spring-boot-starter-data-jpa'
-	implementation 'org.springframework.boot:spring-boot-starter-web'
-	runtimeOnly 'com.mysql:mysql-connector-j'
+    // spring boot
+    implementation 'org.springframework.boot:spring-boot-starter-data-jpa'
+    implementation 'org.springframework.boot:spring-boot-starter-web'
+    implementation 'com.fasterxml.jackson.dataformat:jackson-dataformat-xml:2.17.2'
 
-	// lombok annotation
-	compileOnly 'org.projectlombok:lombok'
-	annotationProcessor 'org.projectlombok:lombok'
+    runtimeOnly 'com.mysql:mysql-connector-j'
 
-	// Sql logging formatter
-	// reference: https://www.baeldung.com/java-p6spy-intercept-sql-logging
-	implementation 'com.github.gavlyukovskiy:p6spy-spring-boot-starter:1.9.2' //이쁘게
+    // lombok annotation
+    compileOnly 'org.projectlombok:lombok'
+    annotationProcessor 'org.projectlombok:lombok'
 
-	// logback logger
-	implementation 'ch.qos.logback:logback-classic:1.4.12'
-	implementation 'org.slf4j:slf4j-api:2.0.3'
+    // Sql logging formatter
+    // reference: https://www.baeldung.com/java-p6spy-intercept-sql-logging
+    implementation 'com.github.gavlyukovskiy:p6spy-spring-boot-starter:1.9.2' //이쁘게
 
-	// test environment
-	testImplementation 'org.springframework.boot:spring-boot-starter-test'
-	testRuntimeOnly 'org.junit.platform:junit-platform-launcher'
+    // logback logger
+    implementation 'ch.qos.logback:logback-classic:1.4.12'
+    implementation 'org.slf4j:slf4j-api:2.0.3'
 
-	// springdoc swagger dependency
-	implementation 'org.springdoc:springdoc-openapi-starter-webmvc-ui:2.6.0'
+    // test environment
+    testImplementation 'org.springframework.boot:spring-boot-starter-test'
+    testRuntimeOnly 'org.junit.platform:junit-platform-launcher'
+
+    // springdoc swagger dependency
+    implementation 'org.springdoc:springdoc-openapi-starter-webmvc-ui:2.6.0'
 
 }
 
 tasks.named('test') {
-	useJUnitPlatform()
+    useJUnitPlatform()
 }

backend/src/main/java/kernel360/techpick/config/RestTemplateConfig.java

@@ -0,0 +1,23 @@
+package kernel360.techpick.config;
+
+import java.time.Duration;
+
+import org.springframework.boot.web.client.RestTemplateBuilder;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.http.converter.xml.MappingJackson2XmlHttpMessageConverter;
+import org.springframework.web.client.RestTemplate;
+
+@Configuration
+public class RestTemplateConfig {
+
+	@Bean
+	public RestTemplate restTemplate(RestTemplateBuilder builder) {
+		return builder
+			.additionalMessageConverters(new MappingJackson2XmlHttpMessageConverter())
+			.defaultHeader("User-Agent", "Mozilla/5.0 (Windows NT 10.0; Win64; x64)")
+			.setConnectTimeout(Duration.ofSeconds(5))
+			.setReadTimeout(Duration.ofSeconds(5))
+			.build();
+	}
+}

backend/src/main/java/kernel360/techpick/entity/article/Article.java

@@ -53,10 +53,6 @@ public class Article extends CreatedAndUpdatedTimeColumn {
 	@JoinColumn(name = "blog_id", nullable = false)
 	private Blog blog;
 
-	// 수집 날짜 (크롤링 시각)
-	@Column(name = "crawled_at", nullable = false)
-	private LocalDateTime crawled_at;
-
 	// 대표 이미지 CDN url
 	@Column(name = "image_url")
 	private String imageUrl; // nullable

backend/src/main/java/kernel360/techpick/entity/article/RawCrawledArticle.java

@@ -1,10 +1,13 @@
 package kernel360.techpick.entity.article;
 
+import java.util.List;
+
 import jakarta.persistence.Column;
 import jakarta.persistence.Entity;
 import jakarta.persistence.GeneratedValue;
 import jakarta.persistence.GenerationType;
 import jakarta.persistence.Id;
+import jakarta.persistence.Lob;
 import jakarta.persistence.Table;
 import kernel360.techpick.entity.common.CreatedAndUpdatedTimeColumn;
 import lombok.AccessLevel;
@@ -19,7 +22,6 @@
 @Table(name = "raw_crawled_article")
 @Entity
 @Getter
-@AllArgsConstructor
 @NoArgsConstructor(access = AccessLevel.PROTECTED)
 public class RawCrawledArticle extends CreatedAndUpdatedTimeColumn {
 
@@ -28,8 +30,27 @@ public class RawCrawledArticle extends CreatedAndUpdatedTimeColumn {
 	@Column(name = "raw_crawled_article_id")
 	private Long rawCrawledArticleId;
 
-	// TODO: 아래 크롤링 데이터 칼럼은 토의 후 바뀔 예정 입니다.
-	// 크롤링 데이터
-	@Column(name = "data", nullable = false)
-	private String data;
+	// TODO: 변수명은 변경 될 수 있습니다.
+	@Column(name = "title")
+	private String title;
+
+	@Column(name = "link", columnDefinition = "LONGBLOB")
+	private String link;
+
+	@Column(name = "pubDate")
+	private String pubDate;
+
+	@Column(name = "creator")
+	private String creator;
+
+	@Column(name = "joinedCategories")
+	private String joinedCategories;
+
+	public RawCrawledArticle(String title, String link, String pubDate, String creator, String joinedCategories) {
+		this.title = title;
+		this.link = link;
+		this.pubDate = pubDate;
+		this.creator = creator;
+		this.joinedCategories = joinedCategories;
+	}
 }

backend/src/main/java/kernel360/techpick/rss/controller/RssController.java

@@ -0,0 +1,66 @@
+package kernel360.techpick.rss.controller;
+
+import java.util.List;
+
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+import kernel360.techpick.rss.dto.RssResponse;
+import kernel360.techpick.rss.service.RssService;
+import lombok.RequiredArgsConstructor;
+
+/**
+ * RSS 테스트용 컨트롤러
+ */
+@RestController
+@RequestMapping("/rss")
+@RequiredArgsConstructor
+public class RssController {
+
+	private final RssService rssService;
+
+	@GetMapping
+	public ResponseEntity<?> getNewRss() {
+		List<RssResponse.Channel> rss = rssService.getNewRss();
+		return ResponseEntity.ok(rss);
+	}
+
+	@GetMapping("/baeldung")
+	public ResponseEntity<?> getBaeldung() {
+		RssResponse.Channel rss = rssService.getRssByBaeldung();
+		return ResponseEntity.ok(rss);
+	}
+
+	@GetMapping("/toss")
+	public ResponseEntity<?> getToss() {
+		RssResponse.Channel rss = rssService.getRssByToss();
+		return ResponseEntity.ok(rss);
+	}
+
+	@GetMapping("/woowa")
+	public ResponseEntity<?> getWoowa() {
+		RssResponse.Channel rss = rssService.getRssByWoowa();
+		return ResponseEntity.ok(rss);
+	}
+
+	@GetMapping("/kakao")
+	public ResponseEntity<?> getKakao() {
+		RssResponse.Channel rss = rssService.getRssByKakao();
+		return ResponseEntity.ok(rss);
+	}
+
+	@GetMapping("/daangn")
+	public ResponseEntity<?> getDaangn() {
+		RssResponse.Channel rss = rssService.getRssByDaangn();
+		return ResponseEntity.ok(rss);
+	}
+
+	@GetMapping("/line")
+	public ResponseEntity<?> getLine() {
+		RssResponse.Channel rss = rssService.getRssByLine();
+		return ResponseEntity.ok(rss);
+	}
+
+}

backend/src/main/java/kernel360/techpick/rss/dto/RssResponse.java

@@ -0,0 +1,43 @@
+package kernel360.techpick.rss.dto;
+
+import java.util.List;
+
+import com.fasterxml.jackson.dataformat.xml.annotation.JacksonXmlElementWrapper;
+import com.fasterxml.jackson.dataformat.xml.annotation.JacksonXmlProperty;
+
+import lombok.Getter;
+
+@Getter
+public class RssResponse {
+
+	@JacksonXmlProperty(localName = "channel")
+	private Channel channel;
+
+	@Getter
+	public static class Channel {
+
+		@JacksonXmlElementWrapper(useWrapping = false)
+		@JacksonXmlProperty(localName = "item")
+		private List<Item> item;
+	}
+
+	@Getter
+	public static class Item {
+
+		@JacksonXmlProperty(localName = "title")
+		private String title;
+
+		@JacksonXmlProperty(localName = "link")
+		private String link;
+
+		@JacksonXmlProperty(localName = "pubDate")
+		private String pubDate;
+
+		@JacksonXmlProperty(localName = "creator")
+		private String creator;
+
+		@JacksonXmlElementWrapper(useWrapping = false)
+		@JacksonXmlProperty(localName = "category")
+		private List<String> category;
+	}
+}

backend/src/main/java/kernel360/techpick/rss/dto/Url.java

@@ -0,0 +1,22 @@
+package kernel360.techpick.rss.dto;
+
+import lombok.Getter;
+
+@Getter
+public enum Url {
+
+	// TODO: Blog Entity에 rssUrl로 넣어야 함.
+	BAELDUNG_URL("https://www.baeldung.com/feed"),
+	TOSS_URL("https://toss.tech/rss.xml"),
+	WOOWA_URL("https://techblog.woowahan.com/feed/"),
+	KAKAO_URL("https://tech.kakao.com/posts/feed"),
+	DAANGN_URL("https://medium.com/feed/daangn"),
+	LINE_URL("https://techblog.lycorp.co.jp/ko/feed/index.xml");
+
+	private final String url;
+
+	Url(String url) {
+		this.url = url;
+	}
+
+}

backend/src/main/java/kernel360/techpick/rss/repository/RssRepository.java

@@ -0,0 +1,17 @@
+package kernel360.techpick.rss.repository;
+
+import java.util.List;
+
+import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.data.jpa.repository.Query;
+
+import kernel360.techpick.entity.article.RawCrawledArticle;
+
+/**
+ * 파이썬 서버 구현 시 삭제 예정
+ */
+public interface RssRepository extends JpaRepository<RawCrawledArticle, Long> {
+
+	@Query("SELECT r.link FROM RawCrawledArticle r")
+	List<String> findAllLinks();
+}