Merge pull request #139 from TeamBookTez/feat/book-exist

[feat] Add a method if a review already exists
TeamBookTez · Apr 25, 2022 · 264acda · 264acda
2 parents e9fb302 + ea8ebff
commit 264acda
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Showing 3 changed files with 110 additions and 1 deletion.
diff --git a/src/controller/book.ts b/src/controller/book.ts
@@ -189,12 +189,65 @@ const getBookPostController = async (req: Request, res: Response) => {
   }
 };
 
+/**
+ * @서재 중복검사
+ * @route GET /book/exist/:isbn
+ * @access private
+ */
+const getBookExistController = async (req: Request, res: Response) => {
+  try {
+    const resData = await bookService.getBookExistService(
+      req.user.id,
+      req.params.isbn
+    );
+
+    if (resData === constant.NULL_VALUE) {
+      return response.basicResponse(
+        res,
+        returnCode.BAD_REQUEST,
+        false,
+        "필요한 값이 없습니다."
+      );
+    }
+
+    if (resData === constant.VALUE_ALREADY_EXIST) {
+      return response.dataResponse(
+        res,
+        returnCode.OK,
+        "이미 추가된 책입니다.",
+        true,
+        { isExist: true }
+      );
+    }
+
+    if (resData === constant.SUCCESS) {
+      return response.dataResponse(
+        res,
+        returnCode.OK,
+        "추가할 수 있는 책입니다.",
+        true,
+        { isExist: false }
+      );
+    }
+  } catch (err) {
+    slack.slackWebhook(req, err.message);
+    console.error(err.message);
+    return response.basicResponse(
+      res,
+      returnCode.INTERNAL_SERVER_ERROR,
+      false,
+      "서버 오류"
+    );
+  }
+};
+
 const bookController = {
   postBookController,
   getBookController,
   getBookPreController,
   getBookPeriController,
   getBookPostController,
+  getBookExistController,
 };
 
 export default bookController;
diff --git a/src/router/book.ts b/src/router/book.ts
@@ -13,5 +13,6 @@ router.get("/", auth, bookController.getBookController);
 router.get("/pre", auth, bookController.getBookPreController);
 router.get("/peri", auth, bookController.getBookPeriController);
 router.get("/post", auth, bookController.getBookPostController);
+router.get("/exist/:isbn", auth, bookController.getBookExistController);
 
 module.exports = router;
diff --git a/src/service/book.ts b/src/service/book.ts
@@ -2,7 +2,12 @@ import mongoose from "mongoose";
 
 // library
 import constant from "../library/constant";
-import { keysToSnake, keysToCamel } from "../library/convertSnakeToCamel";
+import {
+  keysToSnake,
+  keysToCamel,
+  toSnakeString,
+} from "../library/convertSnakeToCamel";
+import { isValidObjectId } from "mongoose";
 
 // model
 import User from "../models/User";
@@ -250,12 +255,62 @@ const getBookPostService = async (userId: string) => {
   return { books: books };
 };
 
+/**
+ * @서재 중복검사
+ * @route GET /book/exist/:isbn
+ * @access private
+ */
+// TODO: 책 검사하는 과정에서 isbn이 2개 들어오는지 클라랑 이야기해보기
+// TODO: isbn 형식값 검사 필요 고민
+const getBookExistService = async (userId: string, isbn: string) => {
+  // 필요한 값이 없는 경우
+  if (!userId || !isbn) {
+    return constant.NULL_VALUE;
+  }
+
+  isbn = isbn.trim();
+  let isbnOne: string, isbnTwo: string;
+
+  // isbn이 2개일 경우, 1개일 경우
+  if (/\s/.test(isbn)) {
+    [isbnOne, isbnTwo] = isbn.split(" ");
+  } else {
+    isbnOne = isbn;
+    isbnTwo = "";
+  }
+
+  const reviews = await Review.find(
+    keysToSnake({
+      userId,
+      isDeleted: false,
+    })
+  ).populate(toSnakeString("bookId"));
+
+  const existReview = reviews.filter((review) => {
+    if (
+      review.book_id.isbn === isbnOne ||
+      review.book_id.isbn_sub === isbnOne ||
+      review.book_id.isbn === isbnTwo ||
+      review.book_id.isbn_sub === isbnTwo
+    ) {
+      return review;
+    }
+  });
+
+  if (existReview.length > 0) {
+    return constant.VALUE_ALREADY_EXIST;
+  }
+
+  return constant.SUCCESS;
+};
+
 const bookService = {
   postBookService,
   getBookService,
   getBookPreService,
   getBookPeriService,
   getBookPostService,
+  getBookExistService,
 };
 
 export default bookService;