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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 65 66 67 68 69 70 71 72 73 74 75 76 | 1x 1x 1x 3x 1x 1x | '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: Pick<Config, 'fields'>) => config.fields ? config.fields.split(/[ ,]+/) : []; export const areFieldsUpdated = ( config: Config, before: DocumentSnapshot, after: DocumentSnapshot ) => { const fields = getFields(config); logs.debug(`fields: ${fields}`); // If fields are not configured, then execute update record. if (fields.length == 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)); if (JSON.stringify(beforeFieldValue) !== JSON.stringify(afterFieldValue)) { return true; } } return false; }; export const isValidValue = (value: string) => { return typeof value !== undefined && value !== null; }; |