fairnesscoop / permacoop

import {CommandHandler} from '@nestjs/cqrs';

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

import {UploadFileCommand} from './UploadFileCommand';

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

import {IFileRepository} from 'src/Domain/File/Repository/IFileRepository';

import {File} from 'src/Domain/File/File.entity';

@CommandHandler(UploadFileCommand)

export class UploadFileCommandHandler {

  constructor(

    @Inject('IFileStorage')

    public readonly fileStorage: IFileStorage,

    @Inject('IFileRepository')

    public readonly fileRepository: IFileRepository

  ) {}

  public async execute(command: UploadFileCommand): Promise<string> {

    const {uploadedFile} = command;

    const fileName = await this.fileStorage.upload(uploadedFile);

    const file = await this.fileRepository.save(

      new File(fileName, uploadedFile.size, uploadedFile.mimetype)

    );

    return file.getId();

  }

}