X-Git-Url: https://git.piment-noir.org/?a=blobdiff_plain;f=src%2Fperformance%2Fstorage%2FJsonFileStorage.ts;h=f44d9f2b35adc56ca0d9d503e927ccfac6eae760;hb=41f18326bd0c915a2390208ab1c1973cc6c82a6e;hp=5effae906dc6965d3d60893c801d5e6b465e8d4d;hpb=1227a6f190a8020afd953a26bdede86e5f04eb0c;p=e-mobility-charging-stations-simulator.git diff --git a/src/performance/storage/JsonFileStorage.ts b/src/performance/storage/JsonFileStorage.ts index 5effae90..f44d9f2b 100644 --- a/src/performance/storage/JsonFileStorage.ts +++ b/src/performance/storage/JsonFileStorage.ts @@ -1,85 +1,90 @@ // Copyright Jerome Benoit. 2021-2023. All Rights Reserved. -import fs from 'node:fs'; +import { closeSync, existsSync, mkdirSync, openSync, writeSync } from 'node:fs' +import { dirname } from 'node:path' -import { FileType, type Statistics } from '../../types'; -import { AsyncLock, AsyncLockType, Constants, FileUtils, Utils } from '../../utils'; -import { Storage } from '../internal'; +import { Storage } from './Storage.js' +import { BaseError } from '../../exception/index.js' +import { FileType, type Statistics } from '../../types/index.js' +import { + AsyncLock, + AsyncLockType, + JSONStringifyWithMapSupport, + handleFileException +} from '../../utils/index.js' export class JsonFileStorage extends Storage { - private fd: number | null = null; + private static performanceRecords: Map - constructor(storageUri: string, logPrefix: string) { - super(storageUri, logPrefix); - this.dbName = this.storageUri.pathname; + private fd?: number + + constructor (storageUri: string, logPrefix: string) { + super(storageUri, logPrefix) + this.dbName = this.storageUri.pathname } - public storePerformanceStatistics(performanceStatistics: Statistics): void { - this.checkPerformanceRecordsFile(); - const asyncLock = AsyncLock.getInstance(AsyncLockType.performance); - asyncLock - .acquire() - .then(() => { - const fileData = fs.readFileSync(this.dbName, 'utf8'); - const performanceRecords: Statistics[] = fileData - ? (JSON.parse(fileData) as Statistics[]) - : []; - performanceRecords.push(performanceStatistics); - fs.writeFileSync( - this.dbName, - Utils.JSONStringifyWithMapSupport(performanceRecords, 2), - 'utf8' - ); - }) - .catch((error) => { - FileUtils.handleFileException( - this.dbName, - FileType.PerformanceRecords, - error as NodeJS.ErrnoException, - this.logPrefix - ); - }) - .finally(() => { - asyncLock.release().catch(Constants.EMPTY_FUNCTION); - }); + public storePerformanceStatistics (performanceStatistics: Statistics): void { + this.checkPerformanceRecordsFile() + JsonFileStorage.performanceRecords.set(performanceStatistics.id, performanceStatistics) + AsyncLock.runExclusive(AsyncLockType.performance, () => { + writeSync( + // eslint-disable-next-line @typescript-eslint/no-non-null-assertion + this.fd!, + JSONStringifyWithMapSupport([...JsonFileStorage.performanceRecords.values()], 2), + 0, + 'utf8' + ) + }).catch((error) => { + handleFileException( + this.dbName, + FileType.PerformanceRecords, + error as NodeJS.ErrnoException, + this.logPrefix + ) + }) } - public open(): void { + public open (): void { + JsonFileStorage.performanceRecords = new Map() try { - if (Utils.isNullOrUndefined(this?.fd)) { - this.fd = fs.openSync(this.dbName, 'a+'); + if (this.fd == null) { + if (!existsSync(dirname(this.dbName))) { + mkdirSync(dirname(this.dbName), { recursive: true }) + } + this.fd = openSync(this.dbName, 'w') } } catch (error) { - FileUtils.handleFileException( + handleFileException( this.dbName, FileType.PerformanceRecords, error as NodeJS.ErrnoException, this.logPrefix - ); + ) } } - public close(): void { + public close (): void { + JsonFileStorage.performanceRecords.clear() try { - if (this?.fd) { - fs.closeSync(this.fd); - this.fd = null; + if (this.fd != null) { + closeSync(this.fd) + delete this.fd } } catch (error) { - FileUtils.handleFileException( + handleFileException( this.dbName, FileType.PerformanceRecords, error as NodeJS.ErrnoException, this.logPrefix - ); + ) } } - private checkPerformanceRecordsFile(): void { - if (!this?.fd) { - throw new Error( + private checkPerformanceRecordsFile (): void { + if (this.fd == null) { + throw new BaseError( `${this.logPrefix} Performance records '${this.dbName}' file descriptor not found` - ); + ) } } }