feat(challenges): 更新自定义挑战功能，支持时间戳转换及数据模型调整

src/challenges/challenges.service.ts

@@ -166,8 +166,8 @@ export class ChallengesService {
         requirementLabel: challenge.requirementLabel,
         status,
         unit: challenge.progressUnit,
-        startAt: challenge.startAt,
-        endAt: challenge.endAt,
+        startAt: new Date(challenge.startAt).getTime(),
+        endAt: new Date(challenge.endAt).getTime(),
         participantsCount: participantsCountMap.get(challenge.id) ?? 0,
         rankingDescription: challenge.rankingDescription,
         highlightTitle: challenge.highlightTitle,
@@ -617,7 +617,7 @@ export class ChallengesService {
   }
 
 
-  private computeStatus(startAt: number, endAt: number): ChallengeStatus {
+  private computeStatus(startAt: Date | number, endAt: Date | number): ChallengeStatus {
     const now = dayjs();
     const start = dayjs(startAt);
     const end = dayjs(endAt);
@@ -822,6 +822,15 @@ export class ChallengesService {
       throw new BadRequestException('结束时间必须晚于开始时间');
     }
 
+    // 将毫秒时间戳转换为 Date 对象，以匹配数据库 DATETIME 类型
+    const startAtDate = new Date(dto.startAt);
+    const endAtDate = new Date(dto.endAt);
+
+    // 验证日期是否有效
+    if (isNaN(startAtDate.getTime()) || isNaN(endAtDate.getTime())) {
+      throw new BadRequestException('无效的时间戳');
+    }
+
     // 检查创建频率限制（每天最多创建 5 个）
     const recentCount = await this.challengeModel.count({
       where: {
@@ -839,13 +848,14 @@ export class ChallengesService {
     // 生成分享码
     const shareCode = await this.generateUniqueShareCode();
 
+
     // 创建挑战
     const challenge = await this.challengeModel.create({
       title: dto.title,
       type: dto.type,
       image: dto.image || null,
-      startAt: dto.startAt,
-      endAt: dto.endAt,
+      startAt: startAtDate,
+      endAt: endAtDate,
       periodLabel: dto.periodLabel || null,
       durationLabel: dto.durationLabel,
       requirementLabel: dto.requirementLabel,
@@ -854,9 +864,9 @@ export class ChallengesService {
       progressUnit: dto.progressUnit || '天',
       minimumCheckInDays: dto.minimumCheckInDays,
       rankingDescription: dto.rankingDescription || '连续打卡榜',
-      highlightTitle: dto.highlightTitle || '坚持挑战',
-      highlightSubtitle: dto.highlightSubtitle || '养成好习惯',
-      ctaLabel: dto.ctaLabel || '立即加入',
+      highlightTitle: dto.title,
+      highlightSubtitle: dto.summary || '养成好习惯',
+      ctaLabel: '立即加入',
       source: ChallengeSource.CUSTOM,
       creatorId: userId,
       shareCode,
@@ -865,7 +875,10 @@ export class ChallengesService {
       challengeState: ChallengeState.ACTIVE,
     });
 
-    this.winstonLogger.info('创建自定义挑战成功', {
+    // 创建者自动加入挑战
+    await this.joinChallenge(userId, challenge.id);
+
+    this.winstonLogger.info('创建自定义挑战成功，创建者已自动加入', {
       context: 'createCustomChallenge',
       userId,
       challengeId: challenge.id,
@@ -1115,8 +1128,8 @@ export class ChallengesService {
       creatorId: challenge.creatorId,
       shareCode: challenge.shareCode,
       image: challenge.image,
-      startAt: challenge.startAt,
-      endAt: challenge.endAt,
+      startAt: new Date(challenge.startAt).getTime(),
+      endAt: new Date(challenge.endAt).getTime(),
       periodLabel: challenge.periodLabel,
       durationLabel: challenge.durationLabel,
       requirementLabel: challenge.requirementLabel,

src/challenges/dto/create-custom-challenge.dto.ts

@@ -77,23 +77,6 @@ export class CreateCustomChallengeDto {
   @MaxLength(255)
   rankingDescription?: string;
 
-  @ApiProperty({ description: '高亮标题', example: '坚持21天', required: false })
-  @IsString()
-  @IsOptional()
-  @MaxLength(255)
-  highlightTitle?: string;
-
-  @ApiProperty({ description: '高亮副标题', example: '养成好习惯', required: false })
-  @IsString()
-  @IsOptional()
-  @MaxLength(255)
-  highlightSubtitle?: string;
-
-  @ApiProperty({ description: 'CTA 按钮文字', example: '立即加入', required: false })
-  @IsString()
-  @IsOptional()
-  @MaxLength(128)
-  ctaLabel?: string;
 
   @ApiProperty({ description: '是否公开（可通过分享码加入）', default: true })
   @IsBoolean()

src/challenges/models/challenge.model.ts

@@ -55,18 +55,18 @@ export class Challenge extends Model {
   declare image: string;
 
   @Column({
-    type: DataType.BIGINT,
+    type: DataType.DATE,
     allowNull: false,
-    comment: '挑战开始时间(时间戳)',
+    comment: '挑战开始时间',
   })
-  declare startAt: number;
+  declare startAt: Date;
 
   @Column({
-    type: DataType.BIGINT,
+    type: DataType.DATE,
     allowNull: false,
-    comment: '挑战结束时间(时间戳)',
+    comment: '挑战结束时间',
   })
-  declare endAt: number;
+  declare endAt: Date;
 
   @Column({
     type: DataType.STRING(128),
@@ -142,7 +142,7 @@ export class Challenge extends Model {
 
   @Column({
     type: DataType.STRING(128),
-    allowNull: false,
+    allowNull: true,
     comment: 'CTA 按钮文字',
   })
   declare ctaLabel: string;