All files util.ts

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75% Branches 9/12
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'use strict';
/*
 * Copyright 2021 Algolia
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *    https://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
 
import * as functions from 'firebase-functions';
import { DocumentSnapshot } from 'firebase-functions/lib/providers/firestore';
import config from './config';
import * as logs from './logs';
import { valueProcessor } from './processors';
 
export enum ChangeType {
  CREATE,
  DELETE,
  UPDATE,
}
 
export const getChangeType = (
  change: functions.Change<DocumentSnapshot>
) => {
  if (!change.after.exists) {
    return ChangeType.DELETE;
  }
  if (!change.before.exists) {
    return ChangeType.CREATE;
  }
  return ChangeType.UPDATE;
};
 
export const getObjectSizeInBytes = (object: [] | {}) => {
  const recordBuffer = Buffer.from(JSON.stringify(object));
  return recordBuffer.byteLength;
}
 
 
export const getFields = (config) => config.fields ? config.fields.split(',') : [];
 
export const areFieldsUpdated = (config, before: DocumentSnapshot, after: DocumentSnapshot) => {
  const fields = getFields(config);
 
  logs.debug(`fields: ${fields}`);
  // If fields are not configured, then execute update record.
  Iif (fields.lenth == 0) {
    return true;
  }
 
  // If fields are configured, then check the before and after data for the specified fields.
  //  If any changes detected, then execute update record.
  for(let field of fields){
    const [, beforeFieldValue] = valueProcessor(field, before.get(field));
    const [, afterFieldValue] = valueProcessor(field, after.get(field));
    logs.debug(`field: ${field}`);
    logs.debug(`beforeFieldValue === afterFieldValue: ${JSON.stringify(beforeFieldValue)} === ${JSON.stringify(afterFieldValue)}`);
    logs.debug(`beforeFieldValue === afterFieldValue: ${JSON.stringify(beforeFieldValue) === JSON.stringify(afterFieldValue)}`);
    Eif (JSON.stringify(beforeFieldValue) !== JSON.stringify(afterFieldValue)) {
      return true;
    }
  }
  return false;
}