index.ts

import { Inject, Injectable, Logger } from '@nestjs/common';
import { ConfigService } from '@nestjs/config';
import { PassportStrategy } from '@nestjs/passport';

import strategy from './Strategy';
import { DiscordPermissionScope } from './types';

@Injectable()
export class DiscordStrategy extends PassportStrategy(strategy, 'discord') {
  private static logger = new Logger(DiscordStrategy.name);

  constructor(
    @Inject(ConfigService)
    configService: ConfigService,
  ) {
    const DISCORD_CLIENT_ID =
      configService.getOrThrow<string>('DISCORD_CLIENT_ID');

    const DISCORD_CLIENT_SECRET = configService.getOrThrow<string>(
      'DISCORD_CLIENT_SECRET',
    );

    const SERVER_URL = configService.getOrThrow<string>('SERVER_URL');

    const config = {
      clientID: DISCORD_CLIENT_ID,
      clientSecret: DISCORD_CLIENT_SECRET,
      callbackUrl: `${SERVER_URL}/api/v1/auth/discord/callback`,
      scope: [DiscordPermissionScope.Email, DiscordPermissionScope.Identify],
      fetchScope: true,
      prompt: 'none',
    };

    super(config);
  }

  async validate(accessToken: string, refreshToken: string, profile: any) {
    DiscordStrategy.logger.debug(
      `Discord Login Data ${JSON.stringify(profile)}`,
    );

    return { accessToken, refreshToken, profile };
  }
}