@bitblit/ratchet-epsilon-common/lib/background/s3-background-transaction-logger.js

Tiny adapter to simplify building API gateway Lambda APIS

import { AbstractBackgroundManager } from './manager/abstract-background-manager.js';
import { Logger } from '@bitblit/ratchet-common/logger/logger';
import { ErrorRatchet } from '@bitblit/ratchet-common/lang/error-ratchet';
import { S3CacheRatchet } from '@bitblit/ratchet-aws/s3/s3-cache-ratchet';
export class S3BackgroundTransactionLogger {
    cfg;
    s3TransactionLogCacheRatchet;
    constructor(cfg) {
        this.cfg = cfg;
        const err = S3BackgroundTransactionLogger.validateConfig(cfg);
        if (err.length) {
            ErrorRatchet.throwFormattedErr('Invalid S3BackgroundTransactionLogger config : %j', err);
        }
        this.s3TransactionLogCacheRatchet = new S3CacheRatchet(this.cfg.s3, this.cfg.bucket);
    }
    async logTransaction(txLog) {
        if (txLog) {
            if (txLog.request?.guid) {
                await this.s3TransactionLogCacheRatchet.writeObjectToCacheFile(AbstractBackgroundManager.backgroundGuidToPath(this.cfg.prefix, txLog.request.guid), txLog);
            }
            else {
                Logger.warn('Could not write transaction record - no guid defined : %j', txLog);
            }
        }
        else {
            Logger.silly('Skipping write of null log');
        }
    }
    async readTransactionLog(txGuid) {
        const path = AbstractBackgroundManager.backgroundGuidToPath(this.cfg.prefix, txGuid);
        const log = await this.s3TransactionLogCacheRatchet.fetchCacheFileAsObject(path);
        return log;
    }
    static validateConfig(cfg) {
        const rval = [];
        if (cfg) {
            if (!cfg.s3) {
                rval.push('You must supply an S3 object');
            }
            if (!cfg.bucket) {
                rval.push('You must supply a bucket');
            }
            if (!cfg.timeToLiveDays) {
                rval.push('You must supply a timeToLiveDays');
            }
        }
        else {
            rval.push('No config defined');
        }
        return rval;
    }
}
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