redis-cache.ts

/**
* gets the userId
* creates a redis key(identifier)
* checks if the key exists
* returns the data instead
*/
const redisKey = `transactions-v3-${userId}-${JSON.stringify(payload)}`;
    const redisValue = await this.cache.get(redisKey);

    if (redisValue) {
      return this.response.success200Response({
        message: 'Retrieved successfully',
        ...JSON.parse(redisValue),
      });
    }

  const { data, pagination } =
      await this.data.transactions.findAllWithPagination(
        {
          ...filterQuery,
          isRevenue: false,
          reconTransactionType: Not(In(excludedTransactionType)),
        },
        {
          relationFields: ['user'],
          selectFields: this.selectFields,
        },
      );

// stores the data retrieved from the database for 30 seconds
 await this.cache.set(
      redisKey,
      JSON.stringify({ data, pagination }),
      this.time.convertToSeconds('minute', 0.5),
    );