src/ocr/providers/cloudinary.service.ts

import { Injectable } from "@nestjs/common";
import { v2 as cloudinary } from "cloudinary";
import streamifier from "streamifier";

@Injectable()
export class CloudinaryService {
  async uploadImage(file: Express.Multer.File) {
    return new Promise<any>((resolve, reject) => {
      const stream = cloudinary.uploader.upload_stream(
        {
          folder: "maternalert/ocr",
        },
        (error, result) => {
          if (error) return reject(error);

          resolve(result);
        },
      );

      streamifier
        .createReadStream(file.buffer)
        .pipe(stream);
    });
  }
}