medusa-file-cloudinary/src/services/cloudinary.js

Cloudinary connector for Medusa

import fs from "fs";

import { v2 as cloudinary } from "cloudinary";
import { FileService } from "medusa-interfaces";

class CloudinaryService extends FileService {
  constructor({}, options) {
    super();

    this.root_ = options.root_folder;
    this.nameToPath_ = options.use_file_name_as_path || false;
    this.nonPublicIdSlashCount_ = 7;

    cloudinary.config({
      cloud_name: options.cloud_name,
      api_key: options.api_key,
      api_secret: options.api_secret,
      secure: options.secure || true,
    });
  }

  // File upload
  upload(file) {
    const publicId = this.buildPublicId(file.originalname);

    return new Promise((resolve, reject) => {
      const upload_stream = cloudinary.uploader.upload_stream(
        { folder: this.root_, public_id: publicId },
        (err, image) => {
          if (err) {
            console.error(err);
            reject(err);
            return;
          }
          console.log(image);
          resolve({ url: image.url });
        }
      );
      fs.createReadStream(file.path).pipe(upload_stream);
    });
  }

  delete(file) {
    // file is the url of image. We have to extract the public id from url
    let publicId;
    if (typeof file === "string" && file.toLowerCase().includes("cloudinary")) {
      publicId = this.extractPublicId(file);
    } else {
      publicId = file;
    }
    cloudinary.uploader.destroy(publicId, function (result) {
      resolve(result);
    });
  }

  /* ------------------------------ helper methods ------------------------------ */

  buildPublicId(originalFileName) {
    const fileName = this.removeExtension(originalFileName);
    const cleanFileName = fileName.replace(/\s+/g, "-"); // convert ' ' to '-'

    const filePath = this.nameToPath_
      ? cleanFileName.split(".").join("/")
      : cleanFileName;

    const uniqueSuffix = Date.now();
    return `${filePath}_${uniqueSuffix}`;
  }

  extractPublicId(url) {
    // example: https://res.cloudinary.com/<cloud_name>/image/upload/v1676396191/store/file-name_1676396190050.png
    const cUrl = this.removeExtension(url);
    return cUrl.split("/").slice(this.nonPublicIdSlashCount_).join("/");
  }

  removeExtension(name) {
    return name.split(".").slice(0, -1).join(".");
  }
}

export default CloudinaryService;