[#67] 대회 생성 페이지 구현

frontend/.gitignore

@@ -1,24 +1,27 @@
-# Logs
-logs
-*.log
-npm-debug.log*
-yarn-debug.log*
-yarn-error.log*
-pnpm-debug.log*
-lerna-debug.log*
-
-node_modules
-dist
-dist-ssr
-*.local
-
-# Editor directories and files
-.vscode/*
-!.vscode/extensions.json
-.idea
-.DS_Store
-*.suo
-*.ntvs*
-*.njsproj
-*.sln
-*.sw?
+# Logs
+logs
+*.log
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+pnpm-debug.log*
+lerna-debug.log*
+
+node_modules
+dist
+dist-ssr
+*.local
+
+# Editor directories and files
+.vscode/*
+!.vscode/extensions.json
+.idea
+.DS_Store
+*.suo
+*.ntvs*
+*.njsproj
+*.sln
+*.sw?
+
+# environment
+.env

frontend/src/apis/competitions/index.ts

@@ -0,0 +1,29 @@
+import api from '@/utils/api';
+
+import type { CompetitionForm, CompetitionInfo, CreateCompetitionResponse } from './types';
+
+export * from './types';
+
+export async function createCompetition(
+  competitionForm: CompetitionForm,
+): Promise<CompetitionInfo | null> {
+  const { name, detail, maxParticipants, startsAt, endsAt, problems } = competitionForm;
+
+  try {
+    const form = {
+      name,
+      detail,
+      maxParticipants,
+      startsAt,
+      endsAt,
+      problems,
+    };
+    const { data } = await api.post<CreateCompetitionResponse>('/competitions', form);
+
+    return data;
+  } catch (err) {
+    console.error(err);
+
+    return null;
+  }
+}

frontend/src/apis/competitions/types.ts

@@ -0,0 +1,25 @@
+import type { ProblemId } from '../problems';
+
+export type CompetitionId = number;
+
+export type CompetitionForm = {
+  name: string;
+  detail: string;
+  maxParticipants: number;
+  startsAt: string;
+  endsAt: string;
+  problems: ProblemId[];
+};
+
+export type CompetitionInfo = {
+  id: CompetitionId;
+  name: string;
+  detail: string;
+  maxParticipants: number;
+  startsAt: string;
+  endsAt: string;
+  createdAt: string;
+  updatedAt: string;
+};
+
+export type CreateCompetitionResponse = CompetitionInfo;

frontend/src/apis/problems/index.ts

@@ -0,0 +1,17 @@
+import api from '@/utils/api';
+
+import type { FetchProblemListResponse, ProblemInfo } from './types';
+
+export * from './types';
+
+export async function fetchProblemList(): Promise<ProblemInfo[]> {
+  try {
+    const { data } = await api.get<FetchProblemListResponse>('/problems');
+
+    return data;
+  } catch (err) {
+    console.error(err);
+
+    return [];
+  }
+}

frontend/src/apis/problems/types.ts

@@ -0,0 +1,8 @@
+export type ProblemId = number;
+
+export type ProblemInfo = {
+  id: ProblemId;
+  title: string;
+};
+
+export type FetchProblemListResponse = ProblemInfo[];

frontend/src/components/Common/Input.tsx

@@ -0,0 +1,76 @@
+import { css, cx } from '@style/css';
+
+import type {
+  ForwardedRef,
+  HTMLAttributes,
+  InputHTMLAttributes,
+  ReactElement,
+  ReactNode,
+  TextareaHTMLAttributes,
+} from 'react';
+import { Children, cloneElement, forwardRef } from 'react';
+
+interface Props extends HTMLAttributes<HTMLDivElement> {
+  label?: ReactNode;
+  children: ReactElement;
+}
+
+export function Input({ id, label, children, ...props }: Props) {
+  const child = Children.only(children);
+
+  return (
+    <div {...props}>
+      <label htmlFor={id}>{label}</label>
+      {cloneElement(child, {
+        id,
+        ...child.props,
+      })}
+    </div>
+  );
+}
+
+interface TextFieldProps extends Omit<InputHTMLAttributes<HTMLInputElement>, 'type'> {
+  error?: boolean;
+}
+
+Input.TextField = forwardRef(
+  ({ className, ...props }: TextFieldProps, ref: ForwardedRef<HTMLInputElement>) => {
+    return <input className={cx(inputStyle, className)} type="text" ref={ref} {...props}></input>;
+  },
+);
+
+const inputStyle = css({
+  border: '1px solid black',
+  width: '20rem',
+});
+
+interface TextAreaProps extends TextareaHTMLAttributes<HTMLTextAreaElement> {}
+
+Input.TextArea = forwardRef(
+  ({ className, ...props }: TextAreaProps, ref: ForwardedRef<HTMLTextAreaElement>) => {
+    return <textarea className={cx(inputStyle, className)} ref={ref} {...props}></textarea>;
+  },
+);
+
+interface NumberFieldProps extends Omit<InputHTMLAttributes<HTMLInputElement>, 'type'> {}
+
+Input.NumberField = forwardRef(
+  ({ className, ...props }: NumberFieldProps, ref: ForwardedRef<HTMLInputElement>) => {
+    return <input className={cx(inputStyle, className)} type="number" ref={ref} {...props}></input>;
+  },
+);
+
+interface DateTimeFieldProps extends Omit<InputHTMLAttributes<HTMLInputElement>, 'type'> {}
+
+Input.DateTimeField = forwardRef(
+  ({ className, ...props }: DateTimeFieldProps, ref: ForwardedRef<HTMLInputElement>) => {
+    return (
+      <input
+        className={cx(inputStyle, className)}
+        type="datetime-local"
+        ref={ref}
+        {...props}
+      ></input>
+    );
+  },
+);

frontend/src/components/Common/index.ts

@@ -0,0 +1 @@
+export { Input } from './Input';

frontend/src/hooks/competition/useCompetitionForm.ts

@@ -0,0 +1,115 @@
+import { useState } from 'react';
+
+import type { CompetitionForm } from '@/apis/competitions';
+import { createCompetition } from '@/apis/competitions';
+import type { ProblemId } from '@/apis/problems';
+import { formatDate, toLocalDate } from '@/utils/date';
+
+type Valid = {
+  isValid: boolean;
+  message?: string;
+};
+
+const FIVE_MIN_BY_MS = 5 * 60 * 1000;
+const VALIDATION_MESSAGE = {
+  needLongName: '이름은 1글자 이상이어야합니다',
+  needMoreParticipants: '최대 참여 인원은 1명 이상이어야 합니다',
+  tooEarlyStartTime: '대회 시작 시간은 현재보다 5분 늦은 시간부터 가능합니다',
+  tooEarlyEndTime: '대회 종료 시간은 대회 시작시간보다 늦게 끝나야합니다',
+  needMoreProblems: '대회 문제는 1개 이상이어야합니다',
+};
+
+export function useCompetitionForm(initialForm: Partial<CompetitionForm> = {}) {
+  const [name, setName] = useState<string>(initialForm.name ?? '');
+  const [detail, setDetail] = useState<string>(initialForm.detail ?? '');
+  const [maxParticipants, setMaxParticipants] = useState<number>(initialForm.maxParticipants ?? 1);
+
+  const currentDate = toLocalDate(new Date());
+  const currentDateStr = formatDate(currentDate, 'YYYY-MM-DDThh:mm');
+
+  const [startsAt, setStartsAt] = useState<string>(initialForm.startsAt ?? currentDateStr);
+  const [endsAt, setEndsAt] = useState<string>(initialForm.endsAt ?? currentDateStr);
+  const [problems, setProblems] = useState<ProblemId[]>([]);
+
+  function togglePickedProblem(problemId: ProblemId) {
+    if (problems.includes(problemId)) {
+      setProblems((ids) => ids.filter((id) => id !== problemId).sort());
+    } else {
+      setProblems((ids) => [...ids, problemId].sort());
+    }
+  }
+
+  function getAllFormData(): CompetitionForm {
+    return {
+      name,
+      detail,
+      maxParticipants,
+      startsAt: new Date(startsAt).toISOString(),
+      endsAt: new Date(endsAt).toISOString(),
+      problems,
+    };
+  }
+
+  async function submitCompetition(formData: CompetitionForm) {
+    return await createCompetition(formData);
+  }
+
+  function validateForm(formData: CompetitionForm): Valid {
+    const { name, maxParticipants, startsAt, endsAt, problems } = formData;
+    if (name.length <= 0) {
+      return {
+        isValid: false,
+        message: VALIDATION_MESSAGE.needLongName,
+      };
+    }
+
+    if (maxParticipants <= 0) {
+      return {
+        isValid: false,
+        message: VALIDATION_MESSAGE.needMoreParticipants,
+      };
+    }
+    if (new Date(startsAt) <= new Date(Date.now() + FIVE_MIN_BY_MS)) {
+      return {
+        isValid: false,
+        message: VALIDATION_MESSAGE.tooEarlyStartTime,
+      };
+    }
+
+    if (new Date(endsAt) <= new Date(startsAt)) {
+      return {
+        isValid: false,
+        message: VALIDATION_MESSAGE.tooEarlyEndTime,
+      };
+    }
+
+    if (problems.length <= 0) {
+      return {
+        isValid: false,
+        message: VALIDATION_MESSAGE.needMoreProblems,
+      };
+    }
+
+    return {
+      isValid: true,
+    };
+  }
+
+  return {
+    name,
+    detail,
+    maxParticipants,
+    startsAt,
+    endsAt,
+    problems,
+    setName,
+    setDetail,
+    setMaxParticipants,
+    setStartsAt,
+    setEndsAt,
+    togglePickedProblem,
+    getAllFormData,
+    submitCompetition,
+    validateForm,
+  };
+}

frontend/src/hooks/problem/useProblemList.ts

@@ -0,0 +1,22 @@
+import { useEffect, useState } from 'react';
+
+import type { ProblemInfo } from '@/apis/problems';
+import { fetchProblemList } from '@/apis/problems';
+
+export function useProblemList() {
+  const [allProblems, setAllProblems] = useState<ProblemInfo[]>([]);
+
+  async function updateProblemList() {
+    const problems = await fetchProblemList();
+
+    setAllProblems(problems);
+  }
+
+  useEffect(() => {
+    updateProblemList();
+  }, []);
+
+  return {
+    allProblems,
+  };
+}