[FE] 약속 생성 흐름에 퍼널 패턴 적용

frontend/src/components/_common/Buttons/BottomFixedButton/BottomFixedButton.styles.ts

@@ -0,0 +1,28 @@
+import { css } from '@emotion/react';
+
+export const s_bottomFixedStyles = css`
+  width: calc(100% + 1.6rem * 2);
+  max-width: 43rem;
+
+  /* 버튼 컴포넌트의 full variants를 사용하려고 했으나 6rem보다 height값이 작아 직접 높이를 정의했어요(@해리) 
+     full 버튼에 이미 의존하고 있는 컴포넌트들이 많아서 높이를 full 스타일을 변경할 수는 없었습니다.
+  */
+  height: 6rem;
+  box-shadow: 0 -4px 4px rgb(0 0 0 / 25%);
+`;
+
+export const s_bottomFixedButtonContainer = (height = 0) => css`
+  position: fixed;
+  bottom: 0;
+  left: 0;
+  transform: translateY(-${height}px);
+
+  display: flex;
+  align-items: center;
+  justify-content: center;
+
+  width: 100%;
+  height: 6rem;
+
+  background-color: transparent;
+`;

frontend/src/components/_common/Buttons/BottomFixedButton/index.tsx

@@ -0,0 +1,33 @@
+import type { ButtonHTMLAttributes } from 'react';
+import React from 'react';
+
+import { Button } from '../Button';
+import { s_bottomFixedButtonContainer, s_bottomFixedStyles } from './BottomFixedButton.styles';
+
+interface BottomFixedButtonProps extends ButtonHTMLAttributes<HTMLButtonElement> {
+  children: React.ReactNode;
+  height?: number;
+  isLoading?: boolean;
+}
+
+export default function BottomFixedButton({
+  children,
+  height = 0,
+  isLoading = false,
+  ...props
+}: BottomFixedButtonProps) {
+  return (
+    <div css={s_bottomFixedButtonContainer(height)}>
+      <Button
+        variant="primary"
+        size="full"
+        isLoading={isLoading}
+        borderRadius={0}
+        customCss={s_bottomFixedStyles}
+        {...props}
+      >
+        {children}
+      </Button>
+    </div>
+  );
+}

frontend/src/constants/inputFields.ts

@@ -4,6 +4,10 @@ export const INPUT_FIELD_PATTERN = {
   password: /^\d{4}$/, // 4자리 숫자
 };
 
+export const INPUT_RULES = {
+  minimumLength: 1,
+};
+
 export const FIELD_DESCRIPTIONS = {
   meetingName: '약속 이름은 1~10자 사이로 입력해 주세요.',
   nickname: '닉네임은 1~5자 사이로 입력해 주세요.',

frontend/src/constants/meeting.ts

@@ -0,0 +1,7 @@
+export const CREATE_MEETING_STEPS = {
+  meetingName: '약속이름',
+  meetingHostInfo: '약속주최자정보',
+  meetingDateTime: '약속날짜시간정보',
+} as const;
+
+export const meetingStepValues = Object.values(CREATE_MEETING_STEPS);

frontend/src/hooks/useButtonOnKeyboard/useButtonOnKeyboard.ts

@@ -0,0 +1,27 @@
+import { useEffect, useState } from 'react';
+
+const INITIAL_BUTTON_HEIGHT = 0;
+
+const useButtonOnKeyboard = () => {
+  const [resizedButtonHeight, setResizedButtonHeight] = useState(INITIAL_BUTTON_HEIGHT);
+
+  useEffect(() => {
+    const handleButtonHeightResize = () => {
+      if (!visualViewport?.height) return;
+
+      setResizedButtonHeight(window.innerHeight - visualViewport.height);
+    };
+
+    // 약속 이름 -> 약속 주최자 정보 입력으로 넘어갈 때 다음 버튼을 모바일 키보드로 올리기 위해서 resize 이벤트가 발생하지 않더라도 초기에 실행되도록 구현했어요.(@해리)
+    handleButtonHeightResize();
+    visualViewport?.addEventListener('resize', handleButtonHeightResize);
+
+    return () => {
+      visualViewport?.removeEventListener('resize', handleButtonHeightResize);
+    };
+  }, []);
+
+  return resizedButtonHeight;
+};
+
+export default useButtonOnKeyboard;

frontend/src/hooks/useCreateMeeting/useCreateMeeting.ts

@@ -0,0 +1,87 @@
+import { useState } from 'react';
+
+import useInput from '@hooks/useInput/useInput';
+import { INITIAL_END_TIME, INITIAL_START_TIME } from '@hooks/useTimeRangeDropdown/constants';
+import useTimeRangeDropdown from '@hooks/useTimeRangeDropdown/useTimeRangeDropdown';
+
+import { usePostMeetingMutation } from '@stores/servers/meeting/mutation';
+
+import { FIELD_DESCRIPTIONS, INPUT_FIELD_PATTERN, INPUT_RULES } from '@constants/inputFields';
+
+const checkInputInvalid = (value: string, errorMessage: string | null) =>
+  value.length < INPUT_RULES.minimumLength || errorMessage !== null;
+
+const useCreateMeeting = () => {
+  const meetingNameInput = useInput({
+    pattern: INPUT_FIELD_PATTERN.meetingName,
+    errorMessage: FIELD_DESCRIPTIONS.meetingName,
+  });
+  const isMeetingNameInvalid = checkInputInvalid(
+    meetingNameInput.value,
+    meetingNameInput.errorMessage,
+  );
+
+  const hostNickNameInput = useInput({
+    pattern: INPUT_FIELD_PATTERN.nickname,
+    errorMessage: FIELD_DESCRIPTIONS.nickname,
+  });
+  const hostPasswordInput = useInput({
+    pattern: INPUT_FIELD_PATTERN.password,
+    errorMessage: FIELD_DESCRIPTIONS.password,
+  });
+  const isHostInfoInvalid =
+    checkInputInvalid(hostNickNameInput.value, hostNickNameInput.errorMessage) ||
+    checkInputInvalid(hostPasswordInput.value, hostPasswordInput.errorMessage);
+
+  const [selectedDates, setSelectedDates] = useState<Set<string>>(new Set());
+
+  const hasDate = (date: string) => selectedDates.has(date);
+  const handleDateClick = (date: string) => {
+    setSelectedDates((prevDates) => {
+      const newSelectedDates = new Set(prevDates);
+      newSelectedDates.has(date) ? newSelectedDates.delete(date) : newSelectedDates.add(date);
+
+      return newSelectedDates;
+    });
+  };
+  const areDatesUnselected = selectedDates.size < 1;
+
+  const meetingTimeInput = useTimeRangeDropdown();
+
+  const isCreateMeetingFormInvalid =
+    isMeetingNameInvalid || (isHostInfoInvalid && areDatesUnselected);
+
+  const { mutation: postMeetingMutation } = usePostMeetingMutation();
+
+  const handleMeetingCreateButtonClick = () => {
+    const selectedDatesArray = Array.from(selectedDates);
+
+    postMeetingMutation.mutate({
+      meetingName: meetingNameInput.value,
+      hostName: hostNickNameInput.value,
+      hostPassword: hostPasswordInput.value,
+      availableMeetingDates: selectedDatesArray,
+      meetingStartTime: meetingTimeInput.startTime.value,
+      // 시간상 24시는 존재하지 않기 때문에 백엔드에서 오류가 발생. 따라서 오전 12:00으로 표현하지만, 서버에 00:00으로 전송(@낙타)
+      meetingEndTime:
+        meetingTimeInput.endTime.value === INITIAL_END_TIME
+          ? INITIAL_START_TIME
+          : meetingTimeInput.endTime.value,
+    });
+  };
+
+  return {
+    meetingNameInput,
+    isMeetingNameInvalid,
+    hostNickNameInput,
+    hostPasswordInput,
+    isHostInfoInvalid,
+    hasDate,
+    handleDateClick,
+    meetingTimeInput,
+    isCreateMeetingFormInvalid,
+    handleMeetingCreateButtonClick,
+  };
+};
+
+export default useCreateMeeting;

frontend/src/hooks/useFunnel/FunnelMain.tsx

@@ -0,0 +1,26 @@
+import type { ReactElement } from 'react';
+import React, { Children, isValidElement } from 'react';
+
+import type { FunnelProps, StepProps, StepType } from './useFunnel.type';
+
+const isValidFunnelChild = <Steps extends StepType>(
+  child: React.ReactNode,
+): child is ReactElement<StepProps<Steps>> => {
+  return isValidElement(child) && typeof child.props.name === 'string';
+};
+
+export default function FunnelMain<Steps extends StepType>({
+  steps,
+  step,
+  children,
+}: FunnelProps<Steps>) {
+  const childrenArray = Children.toArray(children)
+    .filter(isValidFunnelChild<Steps>)
+    .filter((child) => steps.includes(child.props.name));
+
+  const targetStep = childrenArray.find((child) => child.props.name === step);
+
+  if (!targetStep) return null;
+
+  return <>{targetStep}</>;
+}

frontend/src/hooks/useFunnel/useFunnel.tsx

@@ -0,0 +1,48 @@
+import { useMemo } from 'react';
+import { useLocation, useNavigate } from 'react-router-dom';
+
+import FunnelMain from './FunnelMain';
+import type { RouteFunnelProps, StepProps, StepType } from './useFunnel.type';
+
+const useFunnel = <Steps extends StepType>(steps: Steps, initialStep: Steps[number]) => {
+  const location = useLocation();
+  const navigate = useNavigate();
+
+  const setStep = (step: Steps[number]) => {
+    navigate(location.pathname, {
+      state: {
+        currentStep: step,
+      },
+    });
+  };
+
+  // 아직 헤더 디자인을 하지 않은 상태이기 때문에, goPrevStep은 사용하지 않는 상태입니다.(@해리)
+  const goPrevStep = () => {
+    navigate(-1);
+  };
+
+  const Step = <Steps extends StepType>({ children }: StepProps<Steps>) => {
+    return <>{children}</>;
+  };
+
+  // 컴포넌트가 다시 렌더링 될 때마다, Funnel 인스턴스가 다시 생성되는 문제가 있어서, useMemo로 감싸는 것으로 수정(@해리)
+  const Funnel = useMemo(
+    () =>
+      Object.assign(
+        function RouteFunnel(props: RouteFunnelProps<Steps>) {
+          const step =
+            (location.state as { currentStep?: Steps[number] })?.currentStep || initialStep;
+
+          return <FunnelMain<Steps> steps={steps} step={step} {...props} />;
+        },
+        {
+          Step,
+        },
+      ),
+    [location.state, initialStep, steps],
+  );
+
+  return [setStep, Funnel] as const;
+};
+
+export default useFunnel;

frontend/src/hooks/useFunnel/useFunnel.type.ts

@@ -0,0 +1,16 @@
+import type { ReactElement } from 'react';
+
+export type StepType = Readonly<Array<string>>;
+
+export interface FunnelProps<Steps extends StepType> {
+  steps: Steps;
+  step: Steps[number];
+  children: Array<ReactElement<StepProps<Steps>>>;
+}
+
+export type RouteFunnelProps<Steps extends StepType> = Omit<FunnelProps<Steps>, 'steps' | 'step'>;
+
+export interface StepProps<Steps extends StepType> {
+  name: Steps[number];
+  children: React.ReactNode;
+}

frontend/src/hooks/useInput/useInput.ts

@@ -35,4 +35,6 @@ const useInput = (rules?: ValidationRules) => {
   };
 };
 
+export type UseInputReturn = ReturnType<typeof useInput>;
+
 export default useInput;

frontend/src/hooks/useTimeRangeDropdown/useTimeRangeDropdown.ts

@@ -8,7 +8,7 @@ import {
   isTimeSelectable,
 } from './useTimeRangeDropdown.utils';
 
-export default function useTimeRangeDropdown() {
+const useTimeRangeDropdown = () => {
   const [startTime, setStartTime] = useState(INITIAL_START_TIME);
   const [endTime, setEndTime] = useState(INITIAL_END_TIME);
 
@@ -39,4 +39,8 @@ export default function useTimeRangeDropdown() {
     handleStartTimeChange,
     handleEndTimeChange,
   } as const;
-}
+};
+
+export type UseTimeRangeDropdownReturn = ReturnType<typeof useTimeRangeDropdown>;
+
+export default useTimeRangeDropdown;

frontend/src/pages/CreateMeetingFunnelPage/MeetingDateTime.tsx

@@ -0,0 +1,51 @@
+import TimeRangeSelector from '@components/TimeRangeSelector';
+import BottomFixedButton from '@components/_common/Buttons/BottomFixedButton';
+import Calendar from '@components/_common/Calendar';
+import Field from '@components/_common/Field';
+
+import type { UseTimeRangeDropdownReturn } from '@hooks/useTimeRangeDropdown/useTimeRangeDropdown';
+
+// 시작, 끝이 추가된 달력이랑 합쳐진 후, interface 수정예정(@해리)
+interface MeetingDateInput {
+  hasDate: (date: string) => boolean;
+  onDateClick: (date: string) => void;
+}
+
+interface MeetingDateTimeProps {
+  meetingDateInput: MeetingDateInput;
+  meetingTimeInput: UseTimeRangeDropdownReturn;
+  isCreateMeetingFormInvalid: boolean;
+  onMeetingCreateButtonClick: () => void;
+}
+
+export default function MeetingDateTime({
+  meetingDateInput,
+  meetingTimeInput,
+  isCreateMeetingFormInvalid,
+  onMeetingCreateButtonClick,
+}: MeetingDateTimeProps) {
+  const { hasDate, onDateClick } = meetingDateInput;
+  const { startTime, endTime, handleStartTimeChange, handleEndTimeChange } = meetingTimeInput;
+
+  return (
+    <>
+      <Field>
+        <Field.Label id="날짜선택" labelText="약속 날짜 선택" />
+        <Calendar hasDate={hasDate} onDateClick={onDateClick} />
+      </Field>
+
+      <Field>
+        <Field.Label id="약속시간범위선택" labelText="약속 시간 범위 선택" />
+        <TimeRangeSelector
+          startTime={startTime}
+          endTime={endTime}
+          handleStartTimeChange={handleStartTimeChange}
+          handleEndTimeChange={handleEndTimeChange}
+        />
+      </Field>
+      <BottomFixedButton onClick={onMeetingCreateButtonClick} disabled={isCreateMeetingFormInvalid}>
+        약속 생성하기
+      </BottomFixedButton>
+    </>
+  );
+}