text: "use strict";
  const fs = require("fs");
  const path = require("path");
  const {Image} = require("../model/image");
  const uuid = require("uuid");
  
  /**
   * @typedef {import("express-fileupload").UploadedFile} File
   */
  
  module.exports = class ImageService {
      constructor(imageRoot) {
          this._imageRoot = imageRoot;
      }
  
      async getImageFromUuid(uuid) {
          const image = await Image.findByPk(uuid);
          const finalPath = path.join(this._imageRoot, image.relativePath);
          if(fs.existsSync(finalPath)) {
              return fs.readFileSync(finalPath);
          }
          await image.destroy();
          return null;
      }
  
      async getImagePathFromUuid(uuid) {
          const image = await Image.findByPk(uuid);
          return path.join(this._imageRoot, image.relativePath);
      }
  
      /**
       * @param {File} uploadedFile
       */
      async saveImage(uploadedFile, description = "") {
          try {
              const imageId = uuid.v4();
              const ext = uploadedFile.name.split(".").slice(1).join(".");
              const relativePath = `${imageId}.${ext}`;
              await uploadedFile.mv(path.join(this._imageRoot, relativePath));
              const insertedImage = await Image.create({
                  uuid: imageId,
                  relativePath,
                  description
              });
              return insertedImage;
          }
          catch {
              return false;
          }
      }
  }
  