| 1 | // Copyright Jerome Benoit. 2021. All Rights Reserved. |
| 2 | |
| 3 | import { URL } from 'url'; |
| 4 | |
| 5 | import type { EmptyObject } from '../../types/EmptyObject'; |
| 6 | import type { HandleErrorParams } from '../../types/Error'; |
| 7 | import type Statistics from '../../types/Statistics'; |
| 8 | import { DBName, StorageType } from '../../types/Storage'; |
| 9 | import logger from '../../utils/Logger'; |
| 10 | import Utils from '../../utils/Utils'; |
| 11 | |
| 12 | export abstract class Storage { |
| 13 | protected readonly storageUri: URL; |
| 14 | protected readonly logPrefix: string; |
| 15 | protected dbName: string; |
| 16 | |
| 17 | constructor(storageUri: string, logPrefix: string) { |
| 18 | this.storageUri = new URL(storageUri); |
| 19 | this.logPrefix = logPrefix; |
| 20 | } |
| 21 | |
| 22 | protected handleDBError( |
| 23 | type: StorageType, |
| 24 | error: Error, |
| 25 | table?: string, |
| 26 | params: HandleErrorParams<EmptyObject> = { throwError: false } |
| 27 | ): void { |
| 28 | const inTableOrCollectionStr = |
| 29 | (!Utils.isNullOrUndefined(table) || !table) && ` in table or collection '${table}'`; |
| 30 | logger.error( |
| 31 | `${this.logPrefix} ${this.getDBNameFromStorageType(type)} error '${ |
| 32 | error.message |
| 33 | }'${inTableOrCollectionStr}:`, |
| 34 | error |
| 35 | ); |
| 36 | if (params?.throwError) { |
| 37 | throw error; |
| 38 | } |
| 39 | } |
| 40 | |
| 41 | protected getDBNameFromStorageType(type: StorageType): DBName { |
| 42 | switch (type) { |
| 43 | case StorageType.MARIA_DB: |
| 44 | return DBName.MARIA_DB; |
| 45 | case StorageType.MONGO_DB: |
| 46 | return DBName.MONGO_DB; |
| 47 | case StorageType.MYSQL: |
| 48 | return DBName.MYSQL; |
| 49 | case StorageType.SQLITE: |
| 50 | return DBName.SQLITE; |
| 51 | } |
| 52 | } |
| 53 | |
| 54 | public abstract open(): void | Promise<void>; |
| 55 | public abstract close(): void | Promise<void>; |
| 56 | public abstract storePerformanceStatistics( |
| 57 | performanceStatistics: Statistics |
| 58 | ): void | Promise<void>; |
| 59 | } |