49 lines
1.2 KiB
JavaScript
49 lines
1.2 KiB
JavaScript
const multer = require("multer");
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const sharp = require("sharp");
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// Configure multer for memory storage (we'll process before saving to DB)
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const upload = multer({
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storage: multer.memoryStorage(),
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limits: {
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fileSize: 20 * 1024 * 1024, // 20MB max file size
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},
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fileFilter: (req, file, cb) => {
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// Only accept images
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if (file.mimetype.startsWith("image/")) {
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cb(null, true);
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} else {
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cb(new Error("Only image files are allowed"), false);
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}
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},
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});
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// Middleware to process and compress images
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const processImage = async (req, res, next) => {
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if (!req.file) {
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return next();
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}
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try {
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// Compress and resize image to 800x800px, JPEG quality 85
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const processedBuffer = await sharp(req.file.buffer)
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.resize(800, 800, {
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fit: "inside",
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withoutEnlargement: true,
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})
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.jpeg({ quality: 85 })
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.toBuffer();
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// Attach processed image to request
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req.processedImage = {
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buffer: processedBuffer,
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mimeType: "image/jpeg",
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};
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next();
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} catch (error) {
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res.status(400).json({ message: "Error processing image: " + error.message });
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}
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};
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module.exports = { upload, processImage };
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