Merge pull request #151 from prgrms-fe-devcourse/150-feature/localsto…

…rage

Feat: HeartStorage, ReviewStorage

src/utils/HeartStorage.ts

@@ -0,0 +1,27 @@
+type HeartItemType = {
+  id: string;
+};
+export default class HeartStorage {
+  private static readonly KEY = 'heartList';
+
+  static getHeartList(): HeartItemType[] {
+    const heartList = localStorage.getItem(this.KEY);
+    return heartList ? JSON.parse(heartList) : [];
+  }
+
+  private static setHeartList(newHeartList: HeartItemType[]): void {
+    localStorage.setItem(this.KEY, JSON.stringify(newHeartList));
+  }
+
+  static addHeart(heart: HeartItemType): void {
+    const heartList = this.getHeartList();
+    heartList.push(heart);
+    this.setHeartList(heartList);
+  }
+
+  static removeHeart(id: string): void {
+    const heartList = this.getHeartList();
+    const updatedHeartList = heartList.filter(heart => heart.id !== id);
+    this.setHeartList(updatedHeartList);
+  }
+}

src/utils/ReviewStorage.ts

@@ -0,0 +1,49 @@
+type ReviewItemType = {
+  review: string;
+  id: string;
+};
+
+export default class ReviewStorage {
+  private static readonly KEY = 'reviewList';
+
+  static getReviewList(): ReviewItemType[] {
+    const reviewList = localStorage.getItem(this.KEY);
+    return reviewList ? JSON.parse(reviewList) : [];
+  }
+
+  private static setReviewList(newReviewList: ReviewItemType[]): void {
+    localStorage.setItem(this.KEY, JSON.stringify(newReviewList));
+  }
+
+  static addReview(review: ReviewItemType): void {
+    const reviewList = this.getReviewList();
+    reviewList.push(review);
+    this.setReviewList(reviewList);
+  }
+
+  static removeReview(id: string): void {
+    const reviewList = this.getReviewList();
+    const updatedReviewList = reviewList.filter(review => review.id !== id);
+    this.setReviewList(updatedReviewList);
+  }
+
+  static editReview(newReview: ReviewItemType): void {
+    const reviewList = this.getReviewList();
+    const updatedReviewList = reviewList.map(review => (review.id === newReview.id ? newReview : review));
+    this.setReviewList(updatedReviewList);
+  }
+
+  static saveReview(review: ReviewItemType): void {
+    const reviewList = this.getReviewList();
+    const existingReview = reviewList.find(item => item.id === review.id);
+
+    if (existingReview) {
+      if (review.review === '')
+        this.removeReview(review.id); // review 파트가 비어있다면 삭제
+      else this.editReview(review); // 이미 존재하는 리뷰인 경우 editReview 실행
+    } else {
+      // 새로운 리뷰인 경우 addReview 실행
+      this.addReview(review);
+    }
+  }
+}