fairnesscoop / pictyschool

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

import { ConfigService } from '@nestjs/config';

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

import { S3Factory } from '../Ingestion/S3Factory';

@Injectable()

export class FileUploadS3Adapter implements IFileUpload {

  constructor(

    private readonly configService: ConfigService,

    private readonly s3Factory: S3Factory

  ) {}

  public getEndPoint(filePath: string): Promise<string> {

    const bucket = this.configService.get<string>('STORAGE_BUCKET');

    const s3Api = this.s3Factory.create();

    const s3Params = {

      Bucket: bucket,

      Key: filePath,

      Expires: 600,

      ContentType: 'application/octet-stream'

    };

    return new Promise<string>((resolve, reject) => {

      s3Api.getSignedUrl('putObject', s3Params, (err, data) => {

        if (err) {

          reject(err);

        }

        resolve(data);

      });

    });

  }

}