Re-process thumbnails on migration

1 files changed, 52 insertions, 0 deletions

diff --git a/src/api/databaseMigration.js b/src/api/databaseMigration.js
index 5cf4b39..06d3849 100644
--- a/src/api/databaseMigration.js
+++ b/src/api/databaseMigration.js
@@ -1,5 +1,9 @@
 const nodePath = require('path');
 const moment = require('moment');
+const jetpack = require('fs-jetpack');
+const { path } = require('fs-jetpack');
+const sharp = require('sharp');
+const ffmpeg = require('fluent-ffmpeg');
 
 const oldDb = require('knex')({
 	client: 'sqlite3',
@@ -42,6 +46,10 @@ const start = async () => {
 	console.log('Starting migration, this may take a few minutes...'); // Because I half assed it
 	console.log('Please do NOT kill the process. Wait for it to finish.');
 
+	await jetpack.removeAsync(nodePath.join(__dirname, '..', '..', 'uploads', 'thumbs'));
+	await jetpack.dirAsync(nodePath.join(__dirname, '..', '..', 'uploads', 'thumbs', 'square'));
+	console.log('Finished deleting old thumbnails to create new ones');
+
 	const users = await oldDb.table('users').where('username', '<>', 'root');
 	for (const user of users) {
 		const now = moment.utc().toDate();
@@ -113,6 +121,7 @@ const start = async () => {
 			albumId: file.albumid,
 			fileId: file.id
 		});
+		generateThumbnails(file.name);
 	}
 	await newDb.batchInsert('files', filesToInsert, 20);
 	await newDb.batchInsert('albumsFiles', albumsFilesToInsert, 20);
@@ -122,4 +131,47 @@ const start = async () => {
 	process.exit(0);
 };
 
+const imageExtensions = ['.jpg', '.jpeg', '.bmp', '.gif', '.png', '.webp'];
+const videoExtensions = ['.webm', '.mp4', '.wmv', '.avi', '.mov'];
+
+const generateThumbnails = filename => {
+	if (!jetpack.exists(nodePath.join(__dirname, '..', '..', 'uploads', filename))) return;
+
+	const ext = nodePath.extname(filename).toLowerCase();
+	const output = `${filename.slice(0, -ext.length)}.webp`;
+	if (imageExtensions.includes(ext)) return generateThumbnailForImage(filename, output);
+	if (videoExtensions.includes(ext)) return generateThumbnailForVideo(filename);
+};
+
+const generateThumbnailForImage = async (filename, output) => {
+	const file = await jetpack.readAsync(nodePath.join(__dirname, '..', '..', 'uploads', filename), 'buffer');
+	await sharp(file)
+		.resize(64, 64)
+		.toFormat('webp')
+		.toFile(nodePath.join(__dirname, '..', '..', 'uploads', 'thumbs', 'square', output));
+	await sharp(file)
+		.resize(225, null)
+		.toFormat('webp')
+		.toFile(nodePath.join(__dirname, '..', '..', 'uploads', 'thumbs', output));
+};
+
+const generateThumbnailForVideo = filename => {
+	ffmpeg(nodePath.join(__dirname, '..', '..', 'uploads', filename))
+		.thumbnail({
+			timestamps: [0],
+			filename: '%b.png',
+			folder: nodePath.join(__dirname, '..', '..', 'uploads', 'thumbs', 'square'),
+			size: '64x64'
+		})
+		.on('error', error => console.error(error.message));
+	ffmpeg(nodePath.join(__dirname, '..', '..', 'uploads', filename))
+		.thumbnail({
+			timestamps: [0],
+			filename: '%b.png',
+			folder: nodePath.join(__dirname, '..', '..', 'uploads', 'thumbs'),
+			size: '150x?'
+		})
+		.on('error', error => console.error(error.message));
+};
+
 start();