From 42f1a1003a299ca4e571d503d7200b76ff41e752 Mon Sep 17 00:00:00 2001
From: Zephyrrus <krisztian1997@gmail.com>
Date: Thu, 2 Jul 2020 03:11:51 +0300
Subject: feat: externalize thumb generation function for easier testing

---
 src/api/generateThumbs.js | 57 ++++-------------------------------------------
 1 file changed, 4 insertions(+), 53 deletions(-)

(limited to 'src/api/generateThumbs.js')

diff --git a/src/api/generateThumbs.js b/src/api/generateThumbs.js
index 8517608..761bd5a 100644
--- a/src/api/generateThumbs.js
+++ b/src/api/generateThumbs.js
@@ -1,62 +1,13 @@
 require('dotenv').config();
 
-const jetpack = require('fs-jetpack');
-const path = require('path');
-const fs = require('fs');
-const log = require('./utils/Log');
-const sharp = require('sharp');
-const ffmpeg = require('fluent-ffmpeg');
-const imageExtensions = ['.jpg', '.jpeg', '.bmp', '.gif', '.png', '.webp'];
-const videoExtensions = ['.webm', '.mp4', '.wmv', '.avi', '.mov'];
-
-class ThumbGenerator {
-	static generateThumbnails(filename) {
-		const ext = path.extname(filename).toLowerCase();
-		const output = `${filename.slice(0, -ext.length)}.png`;
-		if (imageExtensions.includes(ext)) return this.generateThumbnailForImage(filename, output);
-		if (videoExtensions.includes(ext)) return this.generateThumbnailForVideo(filename);
-		return null;
-	}
-
-	static async generateThumbnailForImage(filename, output) {
-		const file = await jetpack.readAsync(path.join(__dirname, '..', '..', process.env.UPLOAD_FOLDER, filename), 'buffer');
-		await sharp(file)
-			.resize(64, 64)
-			.toFormat('png')
-			.toFile(path.join(__dirname, '..', '..', process.env.UPLOAD_FOLDER, 'thumbs', 'square', output));
-		await sharp(file)
-			.resize(225, null)
-			.toFormat('png')
-			.toFile(path.join(__dirname, '..', '..', process.env.UPLOAD_FOLDER, 'thumbs', output));
-	}
-
-	static generateThumbnailForVideo(filename) {
-		ffmpeg(path.join(__dirname, '..', '..', process.env.UPLOAD_FOLDER, filename))
-			.thumbnail({
-				timestamps: [0],
-				filename: '%b.png',
-				folder: path.join(__dirname, '..', '..', process.env.UPLOAD_FOLDER, 'thumbs', 'square'),
-				size: '64x64'
-			})
-			.on('error', error => log.error(error.message));
-		ffmpeg(path.join(__dirname, '..', '..', process.env.UPLOAD_FOLDER, filename))
-			.thumbnail({
-				timestamps: [0],
-				filename: '%b.png',
-				folder: path.join(__dirname, '..', '..', process.env.UPLOAD_FOLDER, 'thumbs'),
-				size: '150x?'
-			})
-			.on('error', error => log.error(error.message));
-	}
-}
-
+const ThumbUtil = require('./utils/ThumbUtil');
 
 const start = async () => {
 	const files = fs.readdirSync(path.join(__dirname, '..', '..', process.env.UPLOAD_FOLDER));
 	for (const fileName of files) {
 		console.log(`Generating thumb for '${fileName}`);
-		await ThumbGenerator.generateThumbnails(fileName);
+		await ThumbUtil.generateThumbnails(fileName);
 	}
-}
+};
 
-start();
\ No newline at end of file
+start();
-- 
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