refactor: 로딩 및 최소 지연시간 추가

frontend/src/api/AxiosInstance.ts

@@ -1,6 +1,6 @@
 import axios from "axios";
 import {NETWORK} from "@/constants/api";
-import {checkAndSetToken, handleTokenError} from "@/api/Interceptors";
+import {checkAndSetToken, delayFulfilled, handleTokenError, waitingFulfilled} from "@/api/Interceptors";
 
 export const axiosInstance = axios.create({
   baseURL: `${import.meta.env.VITE_API}/api`,
@@ -10,4 +10,5 @@ export const axiosInstance = axios.create({
 })
 
 axiosInstance.interceptors.request.use(checkAndSetToken);
-axiosInstance.interceptors.response.use(response => response, handleTokenError);
+axiosInstance.interceptors.request.use(delayFulfilled);
+axiosInstance.interceptors.response.use(waitingFulfilled, handleTokenError);

frontend/src/api/Interceptors.ts

@@ -1,4 +1,4 @@
-import {AxiosError, InternalAxiosRequestConfig} from "axios";
+import {AxiosError, AxiosResponse, InternalAxiosRequestConfig} from "axios";
 import {TOKEN} from "@/constants/api";
 import {PATH} from "@/constants/path";
 import {reIssueToken} from "@/api/auth/ReIssueToken";
@@ -54,3 +54,27 @@ export const handleTokenError = async(error: AxiosError<ErrorResponseData>) => {
   throw new HTTPError(status, data.message, data.code);
 
 }
+
+
+export const delayFulfilled = (config: InternalAxiosRequestConfig )=> ({
+  ...config,
+  p0: performance.now(),
+});
+
+export const waitingFulfilled = async (response: AxiosResponse) => {
+  const minimumDelay = 1000;
+  const latency = performance.now() - response.config.p0;
+  const shouldNotDelay = minimumDelay < latency;
+
+  if (shouldNotDelay) {
+    return response;
+  }
+
+  const remainder = minimumDelay - latency;
+  const [responseWithDelay] = await Promise.all([
+    response,
+    new Promise((resolve) => setTimeout(resolve, remainder)),
+  ]);
+  return responseWithDelay;
+}
+

frontend/src/api/index.d.ts

@@ -4,4 +4,8 @@ declare module 'axios' {
   export interface AxiosRequestConfig {
     useAuth: boolean;
   }
+
+  export interface InternalAxiosRequestConfig {
+    p0: number;
+  }
 }

frontend/src/components/InterviewCreatorForm/InterviewCreateForm.tsx

@@ -2,7 +2,6 @@ import {Button, ModalBody, ModalContent, ModalHeader, Slider} from "@nextui-org/
 import {problemCount, tailQuestionCount} from "@/components/InterviewCreatorForm/InterviewCreateForm.constant";
 import {InterviewSettings} from "@/types/interview";
 import {useInterviewCreateMutation} from "@/hooks/api/interview/useInterviewCreateMutation";
-import {useCallback} from "react";
 import {useInterviewCreateForm} from "@/components/InterviewCreatorForm/useInterviewCreateForm";
 
 
@@ -46,13 +45,9 @@ interface InterviewCreateFormProps {
 }
 
 const InterviewCreateForm = ({ interviewSettings: {questionSetId, count, tailQuestionDepth}}: InterviewCreateFormProps) => {
-  const {mutate} = useInterviewCreateMutation();
+  const {mutate, isPending,isSuccess} = useInterviewCreateMutation();
   const {interviewCreateForm, handleOnChange} = useInterviewCreateForm({tailQuestionDepth, totalProblemCount:count})
 
-  const handleInterviewCreate = useCallback(() => {
-    mutate({questionSetId, ...interviewCreateForm});
-  }, [interviewCreateForm]);
-
   return (
     <ModalContent>
       {() => (
@@ -78,7 +73,9 @@ const InterviewCreateForm = ({ interviewSettings: {questionSetId, count, tailQue
           <p>*아직 지원하지 않습니다.</p>
           <InterviewSettingsSlider label={"문항 별 대기 시간"} disabled={true}/>
           <InterviewSettingsSlider label={"문항 별 제한 시간"} disabled={true}/>
-          <Button onClick={handleInterviewCreate}>면접 시작</Button>
+          <Button onClick={() => {
+            mutate({questionSetId, ...interviewCreateForm});
+          }} isLoading={isPending || isSuccess}>면접 시작</Button>
         </ModalBody>
         </>
       )}

frontend/src/components/InterviewForm/InterviewForm.tsx

@@ -21,6 +21,7 @@ const border = "1px solid rgb(54, 54, 54)";
 const InterviewForm = ({interviewId}: InterviewFormProps) => {
   const {
     interview,
+    interviewLoading,
     handleSubmit,
     handlePass,
     chatList,
@@ -51,25 +52,25 @@ const InterviewForm = ({interviewId}: InterviewFormProps) => {
         borderLeft: border
       }}>
         <div className='p-3'>
-          <InterviewQuestionBoard question={interview.question}
-                                  chatList={chatList}
-                                  remainTailQuestionCount={remainTailQuestionCount}/>
+          <InterviewQuestionBoard
+            isLoading={interviewLoading}
+            question={interview.question}
+            chatList={chatList}
+            remainTailQuestionCount={remainTailQuestionCount}/>
         </div>
 
         <div className="gap-1 h-full flex flex-col max-h-[310px] p-4"  style={{
           borderTop:border
         }}>
-          <div>
-            <Textarea
-              placeholder="여기에 답을 적어주세요"
-              value={answer}
-              onChange={(e) => handleAnswerChange(e.target.value)}
-              minRows={10}
-              rows={10}
-              maxRows={10}
-              disabled={feedbackWaiting}
-            />
-          </div>
+          <Textarea
+            placeholder="여기에 답을 적어주세요"
+            value={answer}
+            onChange={(e) => handleAnswerChange(e.target.value)}
+            minRows={10}
+            rows={10}
+            maxRows={10}
+            disabled={feedbackWaiting}
+          />
           <div className="row-span-1 flex flex-col-reverse" >
             <InterviewController
               onQuit={quit}

frontend/src/components/InterviewForm/useInterviewForm.tsx

@@ -23,7 +23,7 @@ interface InterviewForm {
 export const useInterviewForm = (interviewId: number) => {
 
   const navigate = useNavigate();
-  const {interview, refetch, error} = useInterviewQuestionLoadQuery(interviewId);
+  const {interview, refetch, error, isLoading: interviewLoading} = useInterviewQuestionLoadQuery(interviewId);
   const interviewSubmitMutation = useInterviewSubmitMutation();
 
   const answerFeedbackMutation = useAnswerFeedbackMutation();
@@ -228,9 +228,10 @@ export const useInterviewForm = (interviewId: number) => {
 
   return {
     interview,
+    interviewLoading,
     handleSubmit,
     handlePass,
-    feedbackWaiting: answerFeedbackMutation.isPending,
+    feedbackWaiting: answerFeedbackMutation.isPending || (interviewSubmitMutation.isPending || tailQuestionSubmitMutation.isPending),
     remainTailQuestionCount: interviewForm.remainTailQuestionCount,
     chatList: interviewForm.chatList,
     answer: interviewForm.answer,

frontend/src/components/InterviewHistoryTable/InterviewHistoryTable.tsx

@@ -4,7 +4,7 @@ import {
   Dropdown,
   DropdownItem,
   DropdownMenu,
-  DropdownTrigger,
+  DropdownTrigger, Spinner,
   Table,
   TableBody,
   TableCell,
@@ -38,9 +38,8 @@ const statusDisplay: Record<InterviewState, string> = {
 
 const InterviewHistoryTable = () => {
 
-
   const [page, setPage] = useState(1);
-  const {data, totalPages, refetch} = useMyInterviewQuery(page);
+  const {data, totalPages, refetch, isLoading} = useMyInterviewQuery(page);
   const navigate = useNavigate();
 
 
@@ -117,6 +116,7 @@ const InterviewHistoryTable = () => {
     <Table
       isCompact
       removeWrapper
+
       classNames={tableClassNames}
       aria-label="Example table with custom cells, pagination and sorting"
       bottomContent={bottomContent}
@@ -136,7 +136,10 @@ const InterviewHistoryTable = () => {
           </TableColumn>
         )}
       </TableHeader>
-      <TableBody items={data === undefined ? [] : data} emptyContent={"참여한 면접 이력이 없습니다."}>
+      <TableBody
+        isLoading={isLoading}
+        loadingContent={<Spinner label="Loading..." />}
+        items={data === undefined ? [] : data} emptyContent={"참여한 면접 이력이 없습니다."}>
         {(row) => (
           <TableRow key={row.interviewId}>
             {(columnKey) => <TableCell>{renderCell(row, columnKey)}</TableCell>}

frontend/src/components/InterviewQuestionBoard/InterviewQuestionBoard.tsx

@@ -4,15 +4,14 @@ import UserChat from "@/components/Chat/UserChat";
 import {Chat} from "@/types/question";
 import {useCallback, useEffect, useRef} from "react";
 
-
 interface InterviewQuestionBoardProps {
   question: string;
   remainTailQuestionCount: number;
-  chatList: Chat[]
+  chatList: Chat[],
+  isLoading: boolean;
 }
 
-const InterviewQuestionBoard = ({question, remainTailQuestionCount, chatList}: InterviewQuestionBoardProps) => {
-
+const InterviewQuestionBoard = ({question, remainTailQuestionCount, chatList, isLoading}: InterviewQuestionBoardProps) => {
   const scrollRef = useRef<HTMLDivElement>(null);
 
   useEffect(() => {
@@ -38,7 +37,7 @@ const InterviewQuestionBoard = ({question, remainTailQuestionCount, chatList}: I
   return (
     <div className="max-w-full min-w-full ">
       <div className='row-span-4 col-auto'>
-        <p className='text-3xl'>{question}</p>
+        <p className='text-3xl'>{isLoading ? "질문을 가져옵니다....": question}</p>
         <TailQuestionMessage/>
 
 

frontend/src/components/QuestionSetItem/QuestionSetItem.tsx

@@ -28,7 +28,7 @@ const QuestionSetItem = ({questionSet:{questionSetId, title, description, tailQu
       <CardBody>
         <Image
           isBlurred
-          width={300}
+          width={270}
           height={200}
           src="https://velog.velcdn.com/images/pak4184/post/98ba8b4f-7b89-4d28-8376-0dc8d1be805a/image.png"
         />

frontend/src/components/QuestionSetItem/QuestionSetItemListSkeleton.tsx

@@ -0,0 +1,27 @@
+import {Button, Card, CardBody, CardFooter, CardHeader, Divider, Skeleton, Spacer} from "@nextui-org/react";
+
+const QuestionSetItemListSkeleton = () => {
+  return new Array(5).fill(0).map((_,index) => <Card key={index} className="max-w-[270px] ">
+    <CardHeader className="flex flex-col items-start ">
+      <span className="text-blue-500">NEW</span>
+      <Skeleton className='w-3/5 rounded-lg'>
+        <div className='h-4 w-3/5 rounded-lg bg-default-200'></div>
+      </Skeleton>
+      <Spacer y={2}/>
+      <Skeleton className='w-full rounded-lg'>
+        <div className='h-4 w-4/5 rounded-lg bg-default-200'></div>
+      </Skeleton>
+    </CardHeader>
+    <CardBody className='p-3'>
+      <Skeleton className="w-[240px] h-[200px] rounded-lg"></Skeleton>
+    </CardBody>
+    <Divider/>
+    <CardFooter className="flex flex-row-reverse">
+      <Skeleton className="rounded-lg">
+        <Button />
+      </Skeleton>
+    </CardFooter>
+  </Card>)
+}
+
+export default QuestionSetItemListSkeleton;

frontend/src/hooks/api/interview/useInterviewCreateMutation.ts

@@ -5,6 +5,7 @@ import {PATH} from "@/constants/path";
 import {toast} from "sonner";
 
 
+
 export const useInterviewCreateMutation = () => {
   const navigate = useNavigate();
   return useMutation({
@@ -14,9 +15,7 @@ export const useInterviewCreateMutation = () => {
       navigate(PATH.INTERVIEW(interviewId));
     },
     onError:(error) => {
-      console.log(error.message);
       toast.error(error.message)
     }
-
   })
 }

frontend/src/hooks/api/interview/useInterviewQuestionLoadQuery.ts

@@ -4,14 +4,14 @@ import {loadByCurrentInterviewQuestion} from "@/api/interview/LoadByCurrentInter
 
 export const useInterviewQuestionLoadQuery = (interviewId: number) => {
   // TODO: 변수명 바꾸기
-  const {data: interview, refetch, error} = useSuspenseQuery({
+  const {data: interview, refetch, error, isFetching} = useSuspenseQuery({
     queryKey: ['loadInterviewQuestion', interviewId],
     queryFn: () => loadByCurrentInterviewQuestion(interviewId),
     gcTime: 60 * 60 * 10,
     staleTime: 60* 60 * 10
   });
 
-  return {interview, refetch, error}
+  return {interview, refetch, error, isLoading: isFetching}
 }
 
 

frontend/src/hooks/api/interview/useMyInterviewQuery.ts

@@ -7,7 +7,7 @@ const size = 10;
 
 export const useMyInterviewQuery = (page: number) => {
 
-  const {data, refetch} = useQuery({
+  const {data, refetch, isLoading, isRefetching} = useQuery({
     queryKey: ['my interview'],
     queryFn: () => myInterview({page: page - 1, size}),
     placeholderData: keepPreviousData,
@@ -18,6 +18,7 @@ export const useMyInterviewQuery = (page: number) => {
   return {
     totalPages: data?.totalPages,
     data: data?.content,
-    refetch
+    refetch,
+    isLoading: isLoading || isRefetching
   }
 }

frontend/src/pages/MainPage.tsx

@@ -5,9 +5,10 @@ import {InterviewSettings} from "@/types/interview";
 import InterviewCreateForm from "@/components/InterviewCreatorForm/InterviewCreateForm";
 import QuestionSetItemList from "@/components/QuestionSetItem/QuestionSetItemList";
 import {useIntersectionObserver} from "@/hooks/useIntersectionObserver";
+import QuestionSetItemListSkeleton from "@/components/QuestionSetItem/QuestionSetItemListSkeleton";
 
 export default function(){
-  const {data, fetchNextPage} = useQuestionSetQuery();
+  const {data, fetchNextPage, isLoading} = useQuestionSetQuery();
   const {isOpen, onClose, onOpen} = useDisclosure();
 
   const ref = useRef<HTMLDivElement>(null)
@@ -38,10 +39,11 @@ export default function(){
 
       <div className="p-5 flex flex-wrap gap-4">
         {data?.pages.map((data, index)=> <QuestionSetItemList key={index} questionSetItems={data.content} openInterviewSetting={handleOpenInterviewSettings}/>)}
+        {isLoading ? <QuestionSetItemListSkeleton/> : <></>}
         <div ref={ref}/>
       </div>
-      <Modal backdrop="blur" isDismissable={false} isKeyboardDismissDisabled={true} isOpen={isOpen} placement={"top"} className={`text-foreground bg-background dark`} onClose={onClose}>
-        <InterviewCreateForm interviewSettings={settings} />
+      <Modal backdrop="opaque" isDismissable={false} isKeyboardDismissDisabled={true} isOpen={isOpen} placement={"top"}  onClose={onClose}>
+        <InterviewCreateForm interviewSettings={settings}/>
       </Modal>
     </div>
   )

frontend/src/utils/Date.ts

@@ -1,3 +1,3 @@
 
 
-export const dateToString = (date: Date) => `${date.getFullYear()}년 ${date.getMonth()}월 ${date.getDay()}일`;
+export const dateToString = (date: Date) => `${date.getFullYear()}년 ${date.getMonth() + 1}월 ${date.getDay()}일`;