fairnesscoop / permacoop

import * as fs from 'fs';

import * as shortid from 'shortid';

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

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

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

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

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

@Injectable()

export class LocalFileStorageAdapter implements IFileStorage {

  constructor(

    @Inject('IDateUtils')

    private readonly dateUtils: IDateUtils,

    private readonly fileDirectoryStrategy: FileDirectoryStrategy

  ) {}

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

    const fileName = `${shortid()}_${file.originalname}`;

    const directory = await this.fileDirectoryStrategy.location(

      this.dateUtils.getCurrentDate()

    );

    const relativeDirectory = `${__dirname}/../../../../${directory}`;

    if (!fs.existsSync(relativeDirectory)) {

      fs.mkdirSync(relativeDirectory, {recursive: true});

    }

    fs.writeFileSync(`${relativeDirectory}/${fileName}`, file.buffer);

    return fileName;

  }

}