All files / src/modules/social/services challenge.service.ts

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
import { Injectable, Logger } from '@nestjs/common';
import { InjectModel } from '@nestjs/mongoose';
import { Model } from 'mongoose';
import { CommunityChallenge, CommunityChallengeDocument } from '../../../database/schemas/community-challenge.schema';
 
@Injectable()
export class ChallengeService {
  private readonly logger = new Logger(ChallengeService.name);
 
  constructor(
    @InjectModel(CommunityChallenge.name) private challengeModel: Model<CommunityChallengeDocument>,
  ) {}
 
  async getTrendingChallenges(limit: number = 10): Promise<Array<{
    challengeId: string;
    title: string;
    participants: number;
    timeLeft: string;
    difficulty: string;
  }>> {
    try {
      const challenges = await this.challengeModel
        .find({
          status: 'active',
          isPublic: true,
          endDate: { $gt: new Date() },
        })
        .sort({ 'analytics.totalParticipants': -1, createdAt: -1 })
        .limit(limit);
 
      return challenges.map(challenge => ({
        challengeId: challenge._id.toString(),
        title: challenge.title,
        participants: challenge.analytics.totalParticipants,
        timeLeft: this.calculateTimeLeft(challenge.endDate),
        difficulty: challenge.rules.difficulty,
      }));
    } catch (error) {
      this.logger.error('Error getting trending challenges', error);
      return [];
    }
  }
 
  private calculateTimeLeft(endDate: Date): string {
    const now = new Date();
    const timeDiff = endDate.getTime() - now.getTime();
    
    Iif (timeDiff <= 0) {
      return 'Ended';
    }
 
    const days = Math.floor(timeDiff / (1000 * 60 * 60 * 24));
    const hours = Math.floor((timeDiff % (1000 * 60 * 60 * 24)) / (1000 * 60 * 60));
 
    if (days > 0) {
      return `${days} days left`;
    } else if (hours > 0) {
      return `${hours} hours left`;
    } else {
      return 'Less than 1 hour left';
    }
  }
}