61 lines
2.1 KiB
JavaScript
61 lines
2.1 KiB
JavaScript
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const jetpack = require('fs-jetpack');
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const path = require('path');
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const sharp = require('sharp');
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const ffmpeg = require('fluent-ffmpeg');
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const imageExtensions = ['.jpg', '.jpeg', '.gif', '.png', '.webp'];
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const videoExtensions = ['.webm', '.mp4', '.wmv', '.avi', '.mov'];
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class ThumbUtil {
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static generateThumbnails(filename) {
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const ext = path.extname(filename).toLowerCase();
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const output = `${filename.slice(0, -ext.length)}.png`;
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if (imageExtensions.includes(ext)) return this.generateThumbnailForImage(filename, output);
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if (videoExtensions.includes(ext)) return this.generateThumbnailForVideo(filename);
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return null;
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}
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static async generateThumbnailForImage(filename, output) {
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const file = await jetpack.readAsync(
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path.join(__dirname, '..', '..', '..', process.env.UPLOAD_FOLDER, filename),
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'buffer'
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);
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await sharp(file)
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.resize(64, 64)
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.toFormat('png')
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.toFile(path.join(__dirname, '..', '..', '..', process.env.UPLOAD_FOLDER, 'thumbs', 'square', output));
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await sharp(file)
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.resize(225, null)
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.toFormat('png')
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.toFile(path.join(__dirname, '..', '..', '..', process.env.UPLOAD_FOLDER, 'thumbs', output));
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}
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static generateThumbnailForVideo(filename) {
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ffmpeg(path.join(__dirname, '..', '..', '..', process.env.UPLOAD_FOLDER, filename))
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.thumbnail({
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timestamps: [0],
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filename: '%b.png',
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folder: path.join(__dirname, '..', '..', '..', process.env.UPLOAD_FOLDER, 'thumbs', 'square'),
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size: '64x64'
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})
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.on('error', error => log.error(error.message));
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ffmpeg(path.join(__dirname, '..', '..', '..', process.env.UPLOAD_FOLDER, filename))
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.thumbnail({
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timestamps: [0],
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filename: '%b.png',
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folder: path.join(__dirname, '..', '..', '..', process.env.UPLOAD_FOLDER, 'thumbs'),
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size: '150x?'
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})
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.on('error', error => log.error(error.message));
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}
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static getFileThumbnail(filename) {
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if (!filename) return null;
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const ext = path.extname(filename).toLowerCase();
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if (!imageExtensions.includes(ext) && !videoExtensions.includes(ext)) return null;
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return `${filename.slice(0, -ext.length)}.png`;
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}
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}
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module.exports = ThumbUtil;
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