feature #37 - Tag Table

Tag 테이블 구현.
ReviewTag 테이블 구현
연관 관계 매핑 등.. 추가 설정 필요

src/main/java/com/codestates/server/ServerApplication.java

@@ -2,8 +2,10 @@
 
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.data.jpa.repository.config.EnableJpaAuditing;
 
 @SpringBootApplication
+@EnableJpaAuditing
 public class ServerApplication {
 
 	public static void main(String[] args) {

src/main/java/com/codestates/server/tag/entity/ReviewTag.java

@@ -0,0 +1,28 @@
+package com.codestates.server.tag.entity;
+
+import com.codestates.server.review.entity.Review;
+import lombok.*;
+
+import javax.persistence.*;
+
+@Entity
+@AllArgsConstructor
+@NoArgsConstructor
+@Getter
+@Setter
+public class ReviewTag {
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private Long id;
+
+    @ManyToOne
+    @JoinColumn(name = "review_id")
+    private Review review;
+
+    @ManyToOne //(targetEntity = Tag.class, fetch = FetchType.LAZY)
+    @JoinColumn(name = "tag_id", insertable = false, updatable = false)
+    private Tag tag;
+
+    @Column(name = "tag_id")
+    private String tagId;
+}

src/main/java/com/codestates/server/tag/entity/Tag.java

@@ -0,0 +1,15 @@
+package com.codestates.server.tag.entity;
+
+import lombok.AllArgsConstructor;
+import lombok.NoArgsConstructor;
+
+import javax.persistence.Entity;
+import javax.persistence.Id;
+
+@Entity
+@AllArgsConstructor
+@NoArgsConstructor
+public class Tag {
+    @Id
+    private String id;
+}

src/main/java/com/codestates/server/tag/repository/ReviewTagRepository.java

@@ -0,0 +1,11 @@
+package com.codestates.server.tag.repository;
+
+import com.codestates.server.tag.entity.ReviewTag;
+import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.stereotype.Repository;
+
+import java.beans.JavaBean;
+
+@Repository
+public interface ReviewTagRepository extends JpaRepository<ReviewTag, Long> {
+}

src/main/java/com/codestates/server/tag/repository/TagRepository.java

@@ -0,0 +1,7 @@
+package com.codestates.server.tag.repository;
+
+import com.codestates.server.tag.entity.Tag;
+import org.springframework.data.jpa.repository.JpaRepository;
+
+public interface TagRepository extends JpaRepository<Tag, String> {
+}

src/main/java/com/codestates/server/tag/service/ReviewTagService.java

@@ -0,0 +1,27 @@
+package com.codestates.server.tag.service;
+
+import com.codestates.server.review.entity.Review;
+import com.codestates.server.tag.entity.ReviewTag;
+import com.codestates.server.tag.repository.ReviewTagRepository;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
+
+import java.util.Set;
+
+@Service
+public class ReviewTagService {
+    @Autowired
+    ReviewTagRepository reviewTagRepository;
+
+    @Transactional
+    public void addReviewTag(Review review, Set<String> tags) {
+        for (String tag : tags) {
+            ReviewTag reviewTag = new ReviewTag();
+            reviewTag.setReview(review);
+            reviewTag.setTagId(tag);
+
+            reviewTagRepository.save(reviewTag);
+        }
+    }
+}

src/main/java/com/codestates/server/utils/DataInitializer.java

@@ -0,0 +1,28 @@
+package com.codestates.server.utils;
+
+import com.codestates.server.tag.entity.Tag;
+import com.codestates.server.tag.repository.TagRepository;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.CommandLineRunner;
+import org.springframework.stereotype.Component;
+
+import java.util.Arrays;
+import java.util.List;
+import java.util.stream.Collectors;
+
+@Component
+public class DataInitializer implements CommandLineRunner {
+
+    @Autowired
+    TagRepository tagRepository;
+
+    @Override
+    public void run(String... args) throws Exception {
+        List<String> tags = Arrays.asList("재미있어요", "감동적이에요", "스릴 넘쳐요", "웃겨요", "눈물나는", "설레는", "몰입도 높은", "예술적인", "생각할 거리가 있는", "인상 깊은");
+        List<Tag> tagEntities = tags.stream()
+                .map(Tag::new)
+                .collect(Collectors.toList());
+
+        tagRepository.saveAll(tagEntities);
+    }
+}