Some progress on user image uploading

app/imports/api/files/userImages/UserImages.ts

@@ -0,0 +1,29 @@
+
+import { incrementFileStorageUsed } from '/imports/api/users/methods/updateFileStorageUsed';
+let createS3FilesCollection;
+if (Meteor.isServer) {
+  createS3FilesCollection = require('/imports/api/files/server/s3FileStorage').createS3FilesCollection
+} else {
+  createS3FilesCollection = require('/imports/api/files/client/s3FileStorage').createS3FilesCollection
+}
+
+const UserImages = createS3FilesCollection({
+  collectionName: 'userImages',
+  storagePath: Meteor.isDevelopment ? '../../../../../fileStorage/userImages' : 'assets/app/userImages',
+  onBeforeUpload(file) {
+    // Allow upload files under 10MB
+    if (file.size > 10485760) {
+      return 'Please upload with size equal or less than 10MB';
+    }
+    // Allow common image extensions
+    if (!/gif|png|jpe?g|webp/i.test(file.extension || '')) {
+      return 'Please upload an image file only';
+    }
+    return true
+  },
+  onAfterUpload(file) {
+    if (Meteor.isServer) incrementFileStorageUsed(file.userId, file.size);
+  }
+});
+
+export default UserImages;