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services/s3Service.js

@@ -0,0 +1,25 @@
+const config = require('../config');
+
+async function uploadToS3(attachment) {
+  if (attachment.size > config.MAX_FILE_SIZE) {
+    console.log(`Skipping large attachment: ${attachment.filename} (${attachment.size} bytes)`);
+    return null;
+  }
+
+  const params = {
+    Bucket: config.BUCKET_NAME,
+    Key: `${Date.now()}-${attachment.filename}`,
+    Body: attachment.content,
+    ContentType: attachment.contentType
+  };
+
+  try {
+    const result = await config.s3.upload(params).promise();
+    return result.Location;
+  } catch (error) {
+    console.error('S3 upload error:', error);
+    throw error;
+  }
+}
+
+module.exports = { uploadToS3 };