63 lines
2.1 KiB
TypeScript
63 lines
2.1 KiB
TypeScript
import fs from "fs-extra";
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import dotenv from "dotenv";
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import ft from "file-type";
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import core from "file-type/core";
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import gm from "gm";
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import path, { resolve } from "path";
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import { logger } from "../server";
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import { FolderPaths } from "./serverInit";
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//const heicConverter = require("heic-convert");
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var imageMagick = gm.subClass({ imageMagick: true });
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//gm.subClass();
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dotenv.config({
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path: resolve(process.cwd(), `.env.${process.env.NODE_ENV || "development"}`)
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});
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export async function ConvertHeicFiles(files: Express.Multer.File[]) {
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for (const file of files) {
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const type: core.FileTypeResult | undefined = await ft.fileTypeFromFile(file.path);
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if (type?.mime === "image/heic") {
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logger.log("debug", `Converting ${file.filename} image to JPEG from HEIC.`);
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const convertedFileName = `${
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path.parse(path.basename(file.originalname)).name
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}-${Math.floor(Date.now() / 1000)}.jpeg`;
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try {
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await ConvertToJpeg(file.path, `${file.destination}/${convertedFileName}`);
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//Move the HEIC.
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if (process.env.KEEP_CONVERTED_ORIGINALS) {
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await fs.ensureDir(path.join(file.destination, FolderPaths.ConvertedOriginalSubDir));
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await fs.move(
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file.path,
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`${path.join(file.destination, FolderPaths.ConvertedOriginalSubDir)}/${file.filename}`
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);
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} else {
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await fs.unlink(file.destination);
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}
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//Update the multer file entry.
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file.filename = convertedFileName;
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file.mimetype = "image/jpeg";
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file.path = `${file.destination}/${convertedFileName}`;
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} catch (error) {
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logger.log("error", `Error converting ${file.filename} image to JPEG from HEIC. ${JSON.stringify(error)}`);
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}
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}
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}
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}
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async function ConvertToJpeg(file: string, newPath: string) {
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const fileOnDisk: Buffer = await fs.readFile(file);
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return new Promise<string>((resolve, reject) => {
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const result = imageMagick(fileOnDisk)
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.setFormat("jpg")
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.write(newPath, (error) => {
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if (error) reject(error.message);
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resolve(newPath);
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});
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});
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}
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