fairnesscoop / permacoop

import * as fs from 'fs';

import * as uniqid from 'uniqid';

import {Injectable, Inject} from '@nestjs/common';

import {IFileStorage} from 'src/Application/IFileStorage';

import {IUploadedFile} from 'src/Domain/File/IUploadedFile';

import {FileLocationStrategy} from 'src/Domain/File/Strategy/FileLocationStrategy';

import {IDateUtils} from 'src/Application/IDateUtils';

@Injectable()

export class LocalFileStorageAdapter implements IFileStorage {

  constructor(

    @Inject('IDateUtils')

    private readonly dateUtils: IDateUtils,

    private readonly fileLocationStrategy: FileLocationStrategy

  ) {}

  public async upload(file: IUploadedFile): Promise<string> {

    const fileName = uniqid(undefined, `_${file.originalname}`);

    const location = await this.fileLocationStrategy.location(

      fileName,

      this.dateUtils.getCurrentDate()

    );

    fs.writeFileSync(location, file.buffer);

    return fileName;

  }

}