image-optimizer-s3-fastcodeco/src/services/uploadAwss3.ts

IMAGE OPTIMIZER FASTCODE CO --

import { PutObjectCommand, PutObjectCommandInput, S3Client, S3ClientConfig } from "@aws-sdk/client-s3"
import { UploadS3_IMGUP } from "../types";



/**
 * Handle upload to S3
 * 
 */

export class uploadS3{

    private region:string;
    private accessKey:string;
    private secretKey:string;
    private bucket_name:string;
    private aws_url:string;

    
    /**
     * 
     * @param region 
     * @param accessKey 
     * @param secretKey 
     * @param bucket_name 
     * @param aws_url 
     */
    constructor(region:string, accessKey:string, secretKey:string, bucket_name:string, aws_url?:string){
        this.region = region;
        this.accessKey = accessKey;
        this.secretKey = secretKey;
        this.bucket_name = bucket_name;
        this.aws_url = aws_url || "https://{{bucket_name}}.s3.{{region}}.amazonaws.com";
    }

    /**
     * 
     * @returns 
     */
    private s3Client():S3Client{
        const clientParams: S3ClientConfig = {
            region: this.region,
            credentials: {
                accessKeyId: this.accessKey,
                secretAccessKey: this.secretKey 
            }
        }
    
        return new S3Client(clientParams);
    }

    /**
     * @function
     * @name uploadFileAWSService
     * @description Service to upload a file to AWS.
     * @param { Buffer } buffer 
     * @param { string } key       
     * @returns { Promise } 
     */


     public upload(buffer: Buffer, filename: string):Promise<UploadS3_IMGUP>{
        return new Promise(async (resolve, reject) => {              
            try {            
                const client = this.s3Client();                                                                                                
                const uploadParams: PutObjectCommandInput = {
                    Bucket: this.bucket_name,            
                    Key: filename,                        
                    Body: buffer
                };
                await client.send(new PutObjectCommand(uploadParams));                              
                const url = `${this.aws_url.replace("{{bucket_name}}", this.bucket_name).replace("{{region}}", this.region)}/${filename}`;  
                resolve({ ok: true, url })            
            } catch (error) {
                reject({ok:false, error:error});
            }
        });
    }    
    

}